From 2aa03f5b3b1b6212addff70201a3ba3662471ed9 Mon Sep 17 00:00:00 2001
From: "XTra.KrazzY" <XTra.KrazzY@gmail.com>
Date: Sat, 20 Feb 2010 09:36:22 +0000
Subject: [PATCH] Some really (REALLY) old changes that were hanging on my
 computer for a while

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5091 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 Source/Core/Core/Src/LuaInterface.cpp        | 9632 +++++++++---------
 Source/Core/DSPCore/Src/DspIntArithmetic.cpp |    1 +
 2 files changed, 4807 insertions(+), 4826 deletions(-)

diff --git a/Source/Core/Core/Src/LuaInterface.cpp b/Source/Core/Core/Src/LuaInterface.cpp
index ef6caf9517..b795f81975 100644
--- a/Source/Core/Core/Src/LuaInterface.cpp
+++ b/Source/Core/Core/Src/LuaInterface.cpp
@@ -1,4841 +1,4821 @@
-// Copyright (C) 2003 Dolphin Project.
- 
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, version 2.0.
- 
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License 2.0 for more details.
- 
-// A copy of the GPL 2.0 should have been included with the program.
-// If not, see http://www.gnu.org/licenses/
- 
-// Official SVN repository and contact information can be found at
-// http://code.google.com/p/dolphin-emu/
-
-#include <vector>
-#include <map>
-#include <cassert>
-#include <algorithm>
-#include "zlib.h"
-
-#include "LuaInterface.h"
-#include "Common.h"
-#include "OnFrame.h"
-#include "Core.h"
-#include "State.h"
-#include "ConfigManager.h"
-#include "PluginManager.h"
-#include "HW/Memmap.h"
-#include "Host.h"
-
-
-extern "C" {
-#include "lua.h"
-#include "lauxlib.h"
-#include "lualib.h"
-#include "lstate.h"
-};
-
-// TODO Count: 8
-
-// TODO: GUI
-
-#if defined(DEBUG) || defined(DEBUGFAST)
-bool Debug = true;
-#else
-bool Debug = false;
-#endif
-
-namespace Lua {
-
-// the emulator must provide these so that we can implement
-// the various functions the user can call from their lua script
-// (this interface with the emulator needs cleanup, I know)
-//extern unsigned int ReadValueAtHardwareAddress(unsigned int address, unsigned int size);
-//extern bool WriteValueAtHardwareAddress(unsigned int address, unsigned int value, unsigned int size, bool hookless=false);
-//extern bool WriteValueAtHardwareRAMAddress(unsigned int address, unsigned int value, unsigned int size, bool hookless=false);
-//extern bool WriteValueAtHardwareROMAddress(unsigned int address, unsigned int value, unsigned int size);
-//extern bool IsHardwareAddressValid(unsigned int address);
-//extern bool IsHardwareRAMAddressValid(unsigned int address);
-//extern bool IsHardwareROMAddressValid(unsigned int address);
-//extern int Clear_Sound_Buffer(void);
-//extern long long GetCurrentInputCondensed();
-//extern long long PeekInputCondensed();
-//extern void SetNextInputCondensed(long long input, long long mask);
-//extern int Set_Current_State(int Num, bool showOccupiedMessage, bool showEmptyMessage);
-//extern int Update_Emulation_One(HWND hWnd);
-//extern void Update_Emulation_One_Before(HWND hWnd);
-//extern void Update_Emulation_After_Fast(HWND hWnd);
-//extern void Update_Emulation_One_Before_Minimal();
-//extern int Update_Frame_Adjusted();
-//extern int Update_Frame_Hook();
-//extern int Update_Frame_Fast_Hook();
-//extern void Update_Emulation_After_Controlled(HWND hWnd, bool flip);
-//extern void Prevent_Next_Frame_Skipping();
-//extern void UpdateLagCount();
-//extern bool Step_emulua_MainLoop(bool allowSleep, bool allowEmulate);
-
-int disableSound2, disableRamSearchUpdate;
-bool BackgroundInput;
-bool g_disableStatestateWarnings;
-bool g_onlyCallSavestateCallbacks;
-bool frameadvSkipLagForceDisable;
-bool SkipNextRerecordIncrement;
-
-enum SpeedMode
-{
-	SPEEDMODE_NORMAL,
-	SPEEDMODE_NOTHROTTLE,
-	SPEEDMODE_TURBO,
-	SPEEDMODE_MAXIMUM,
-};
-
-struct LuaContextInfo {
-	lua_State* L; // the Lua state
-	bool started; // script has been started and hasn't yet been terminated, although it may not be currently running
-	bool running; // script is currently running code (either the main call to the script or the callbacks it registered)
-	bool returned; // main call to the script has returned (but it may still be active if it registered callbacks)
-	bool crashed; // true if script has errored out
-	bool restart; // if true, tells the script-running code to restart the script when the script stops
-	bool restartLater; // set to true when a still-running script is stopped so that RestartAllLuaScripts can know which scripts to restart
-	unsigned int worryCount; // counts up as the script executes, gets reset when the application is able to process messages, triggers a warning prompt if it gets too high
-	bool stopWorrying; // set to true if the user says to let the script run forever despite appearing to be frozen
-	bool panic; // if set to true, tells the script to terminate as soon as it can do so safely (used because directly calling lua_close() or luaL_error() is unsafe in some contexts)
-	bool ranExit; // used to prevent a registered exit callback from ever getting called more than once
-	bool guiFuncsNeedDeferring; // true whenever GUI drawing would be cleared by the next emulation update before it would be visible, and thus needs to be deferred until after the next emulation update
-	int numDeferredGUIFuncs; // number of deferred function calls accumulated, used to impose an arbitrary limit to avoid running out of memory
-	bool ranFrameAdvance; // false if emulua.frameadvance() hasn't been called yet
-	int transparencyModifier; // values less than 255 will scale down the opacity of whatever the GUI renders, values greater than 255 will increase the opacity of anything transparent the GUI renders
-	SpeedMode speedMode; // determines how emulua.frameadvance() acts
-	char panicMessage [72]; // a message to print if the script terminates due to panic being set
-	std::string lastFilename; // path to where the script last ran from so that restart can work (note: storing the script in memory instead would not be useful because we always want the most up-to-date script from file)
-	std::string nextFilename; // path to where the script should run from next, mainly used in case the restart flag is true
-	unsigned int dataSaveKey; // crc32 of the save data key, used to decide which script should get which data... by default (if no key is specified) it's calculated from the script filename
-	unsigned int dataLoadKey; // same as dataSaveKey but set through registerload instead of registersave if the two differ
-	bool dataSaveLoadKeySet; // false if the data save keys are unset or set to their default value
-	bool rerecordCountingDisabled; // true if this script has disabled rerecord counting for the savestates it loads
-	std::vector<std::string> persistVars; // names of the global variables to persist, kept here so their associated values can be output when the script exits
-	LuaSaveData newDefaultData; // data about the default state of persisted global variables, which we save on script exit so we can detect when the default value has changed to make it easier to reset persisted variables
-	unsigned int numMemHooks; // number of registered memory functions (1 per hooked byte)
-	// callbacks into the lua window... these don't need to exist per context the way I'm using them, but whatever
-	void(*print)(int uid, const char* str);
-	void(*onstart)(int uid);
-	void(*onstop)(int uid, bool statusOK);
-};
-std::map<int, LuaContextInfo*> luaContextInfo;
-std::map<lua_State*, int> luaStateToUIDMap;
-int g_numScriptsStarted = 0;
-bool g_anyScriptsHighSpeed = false;
-bool g_stopAllScriptsEnabled = true;
-
-#define USE_INFO_STACK
-#ifdef USE_INFO_STACK
-	std::vector<LuaContextInfo*> infoStack;
-	#define GetCurrentInfo() *infoStack.front() // should be faster but relies on infoStack correctly being updated to always have the current info in the first element
-#else
-	std::map<lua_State*, LuaContextInfo*> luaStateToContextMap;
-	#define GetCurrentInfo() *luaStateToContextMap[L] // should always work but might be slower
-#endif
-
-static std::map<lua_CFunction, const char*> s_cFuncInfoMap;
-
-// using this macro you can define a callable-from-Lua function
-// while associating with it some information about its arguments.
-// that information will show up if the user tries to print the function
-// or otherwise convert it to a string.
-// (for example, "writebyte=function(addr,value)" instead of "writebyte=function:0A403490")
-// note that the user can always use addressof(func) if they want to retrieve the address.
-#define DEFINE_LUA_FUNCTION(name, argstring) \
-	static int name(lua_State* L); \
-	static const char* name##_args = s_cFuncInfoMap[name] = argstring; \
-	static int name(lua_State* L)
-
-static const char* luaCallIDStrings [] =
-{
-	"CALL_BEFOREEMULATION",
-	"CALL_AFTEREMULATION",
-	"CALL_AFTEREMULATIONGUI",
-	"CALL_BEFOREEXIT",
-	"CALL_BEFORESAVE",
-	"CALL_AFTERLOAD",
-	"CALL_ONSTART",
-
-	"CALL_HOTKEY_1",
-	"CALL_HOTKEY_2",
-	"CALL_HOTKEY_3",
-	"CALL_HOTKEY_4",
-	"CALL_HOTKEY_5",
-	"CALL_HOTKEY_6",
-	"CALL_HOTKEY_7",
-	"CALL_HOTKEY_8",
-	"CALL_HOTKEY_9",
-	"CALL_HOTKEY_10",
-	"CALL_HOTKEY_11",
-	"CALL_HOTKEY_12",
-	"CALL_HOTKEY_13",
-	"CALL_HOTKEY_14",
-	"CALL_HOTKEY_15",
-	"CALL_HOTKEY_16",
-};
-	//static const int _makeSureWeHaveTheRightNumberOfStrings [sizeof(luaCallIDStrings)/sizeof(*luaCallIDStrings) == LUACALL_COUNT ? 1 : 0];
-
-static const char* luaMemHookTypeStrings [] =
-{
-	"MEMHOOK_WRITE",
-	"MEMHOOK_READ",
-	"MEMHOOK_EXEC",
-
-	"MEMHOOK_WRITE_SUB",
-	"MEMHOOK_READ_SUB",
-	"MEMHOOK_EXEC_SUB",
-};
-	//static const int _makeSureWeHaveTheRightNumberOfStrings2 [sizeof(luaMemHookTypeStrings)/sizeof(*luaMemHookTypeStrings) == LUAMEMHOOK_COUNT ? 1 : 0];
-
-void StopScriptIfFinished(int uid, bool justReturned = false);
-void SetSaveKey(LuaContextInfo& info, const char* key);
-void SetLoadKey(LuaContextInfo& info, const char* key);
-void RefreshScriptStartedStatus();
-void RefreshScriptSpeedStatus();
-
-static char* rawToCString(lua_State* L, int idx=0);
-static const char* toCString(lua_State* L, int idx=0);
-
-static void CalculateMemHookRegions(LuaMemHookType hookType);
-
-static int memory_registerHook(lua_State* L, LuaMemHookType hookType, int defaultSize)
-{
-	// get first argument: address
-	unsigned int addr = (unsigned int)luaL_checkinteger(L,1);
-	if((addr & ~0xFFFFFF) == (unsigned int)~0xFFFFFF)
-		addr &= 0xFFFFFF;
-
-	// get optional second argument: size
-	int size = defaultSize;
-	int funcIdx = 2;
-	if(lua_isnumber(L,2))
-	{
-		size = (int)luaL_checkinteger(L,2);
-		if(size < 0)
-		{
-			size = -size;
-			addr -= size;
-		}
-		funcIdx++;
-	}
-
-	// check last argument: callback function
-	bool clearing = lua_isnil(L,funcIdx);
-	if(!clearing)
-		luaL_checktype(L, funcIdx, LUA_TFUNCTION);
-	lua_settop(L,funcIdx);
-
-	// get the address-to-callback table for this hook type of the current script
-	lua_getfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[hookType]);
-
-	// count how many callback functions we'll be displacing
-	int numFuncsAfter = clearing ? 0 : size;
-	int numFuncsBefore = 0;
-	for(unsigned int i = addr; i != addr+size; i++)
-	{
-		lua_rawgeti(L, -1, i);
-		if(lua_isfunction(L, -1))
-			numFuncsBefore++;
-		lua_pop(L,1);
-	}
-
-	// put the callback function in the address slots
-	for(unsigned int i = addr; i != addr+size; i++)
-	{
-		lua_pushvalue(L, -2);
-		lua_rawseti(L, -2, i);
-	}
-
-	// adjust the count of active hooks
-	LuaContextInfo& info = GetCurrentInfo();
-	info.numMemHooks += numFuncsAfter - numFuncsBefore;
-
-	// re-cache regions of hooked memory across all scripts
-	CalculateMemHookRegions(hookType);
-
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 0;
-}
-
-LuaMemHookType MatchHookTypeToCPU(lua_State* L, LuaMemHookType hookType)
-{
-	int cpuID = 0;
-
-	int cpunameIndex = 0;
-	if(lua_type(L,2) == LUA_TSTRING)
-		cpunameIndex = 2;
-	else if(lua_type(L,3) == LUA_TSTRING)
-		cpunameIndex = 3;
-
-	if(cpunameIndex)
-	{
-		const char* cpuName = lua_tostring(L, cpunameIndex);
-		if(!strcasecmp(cpuName, "sub") || !strcasecmp(cpuName, "s68k"))
-			cpuID = 1;
-		lua_remove(L, cpunameIndex);
-	}
-
-	switch(cpuID)
-	{
-	case 0: // m68k:
-		return hookType;
-
-	case 1: // s68k:
-		switch(hookType)
-		{
-		case LUAMEMHOOK_WRITE: return LUAMEMHOOK_WRITE_SUB;
-		case LUAMEMHOOK_READ: return LUAMEMHOOK_READ_SUB;
-		case LUAMEMHOOK_EXEC: return LUAMEMHOOK_EXEC_SUB;
-		case LUAMEMHOOK_WRITE_SUB:
-		case LUAMEMHOOK_READ_SUB:
-		case LUAMEMHOOK_EXEC_SUB:
-		case LUAMEMHOOK_COUNT:
-			break;
-		}
-	}
-	return hookType;
-}
-
-DEFINE_LUA_FUNCTION(memory_registerwrite, "address,[size=1,][cpuname=\"main\",]func")
-{
-	return memory_registerHook(L, MatchHookTypeToCPU(L,LUAMEMHOOK_WRITE), 1);
-}
-DEFINE_LUA_FUNCTION(memory_registerread, "address,[size=1,][cpuname=\"main\",]func")
-{
-	return memory_registerHook(L, MatchHookTypeToCPU(L,LUAMEMHOOK_READ), 1);
-}
-DEFINE_LUA_FUNCTION(memory_registerexec, "address,[size=2,][cpuname=\"main\",]func")
-{
-	return memory_registerHook(L, MatchHookTypeToCPU(L,LUAMEMHOOK_EXEC), 2);
-}
-
-
-DEFINE_LUA_FUNCTION(emulua_registerbefore, "func")
-{
-	if (!lua_isnil(L,1))
-		luaL_checktype(L, 1, LUA_TFUNCTION);
-	lua_settop(L,1);
-	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEMULATION]);
-	lua_insert(L,1);
-	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEMULATION]);
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(emulua_registerafter, "func")
-{
-	if (!lua_isnil(L,1))
-		luaL_checktype(L, 1, LUA_TFUNCTION);
-	lua_settop(L,1);
-	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATION]);
-	lua_insert(L,1);
-	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATION]);
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(emulua_registerexit, "func")
-{
-	if (!lua_isnil(L,1))
-		luaL_checktype(L, 1, LUA_TFUNCTION);
-	lua_settop(L,1);
-	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEXIT]);
-	lua_insert(L,1);
-	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEXIT]);
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(emulua_registerstart, "func")
-{
-	if (!lua_isnil(L,1))
-		luaL_checktype(L, 1, LUA_TFUNCTION);
-	lua_settop(L,1);
-	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_ONSTART]);
-	lua_insert(L,1);
-	lua_pushvalue(L,-1); // copy the function so we can also call it
-	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_ONSTART]);
-	if (!lua_isnil(L,-1) && (Core::isRunning()))
-		lua_call(L,0,0); // call the function now since the game has already started and this start function hasn't been called yet
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(gui_register, "func")
-{
-	if (!lua_isnil(L,1))
-		luaL_checktype(L, 1, LUA_TFUNCTION);
-	lua_settop(L,1);
-	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATIONGUI]);
-	lua_insert(L,1);
-	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATIONGUI]);
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(state_registersave, "func[,savekey]")
-{
-	if (!lua_isnil(L,1))
-		luaL_checktype(L, 1, LUA_TFUNCTION);
-	if (!lua_isnoneornil(L,2))
-		SetSaveKey(GetCurrentInfo(), rawToCString(L,2));
-	lua_settop(L,1);
-	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFORESAVE]);
-	lua_insert(L,1);
-	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFORESAVE]);
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(state_registerload, "func[,loadkey]")
-{
-	if (!lua_isnil(L,1))
-		luaL_checktype(L, 1, LUA_TFUNCTION);
-	if (!lua_isnoneornil(L,2))
-		SetLoadKey(GetCurrentInfo(), rawToCString(L,2));
-	lua_settop(L,1);
-	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTERLOAD]);
-	lua_insert(L,1);
-	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTERLOAD]);
-	StopScriptIfFinished(luaStateToUIDMap[L]);
-	return 1;
-}
-
-DEFINE_LUA_FUNCTION(input_registerhotkey, "keynum,func")
-{
-	int hotkeyNumber = (int)luaL_checkinteger(L,1);
-	if(hotkeyNumber < 1 || hotkeyNumber > 16)
-	{
-		luaL_error(L, "input.registerhotkey(n,func) requires 1 <= n <= 16, but got n = %d.", hotkeyNumber);
-		return 0;
-	}
-	else
-	{
-		const char* key = luaCallIDStrings[LUACALL_SCRIPT_HOTKEY_1 + hotkeyNumber-1];
-		lua_getfield(L, LUA_REGISTRYINDEX, key);
-		lua_replace(L,1);
-		if (!lua_isnil(L,2))
-			luaL_checktype(L, 2, LUA_TFUNCTION);
-		lua_settop(L,2);
-		lua_setfield(L, LUA_REGISTRYINDEX, key);
-		StopScriptIfFinished(luaStateToUIDMap[L]);
-		return 1;
-	}
-}
-
-static int doPopup(lua_State* L, const char* deftype, const char* deficon)
-{
-	const char* str = toCString(L,1);
-	const char* type = lua_type(L,2) == LUA_TSTRING ? lua_tostring(L,2) : deftype;
-	const char* icon = lua_type(L,3) == LUA_TSTRING ? lua_tostring(L,3) : deficon;
-
-	int itype = -1, iters = 0;
-	while(itype == -1 && iters++ < 2)
-	{
-		if(!strcasecmp(type, "ok")) itype = 0;
-		else if(!strcasecmp(type, "yesno")) itype = 1;
-		else type = deftype;
-	}
-	assert(itype >= 0 && itype <= 4);
-	if(!(itype >= 0 && itype <= 4)) itype = 0;
-
-	int iicon = -1; iters = 0;
-	while(iicon == -1 && iters++ < 2)
-	{
-		if(!strcasecmp(icon, "message") || !strcasecmp(icon, "notice")) iicon = 0;
-		else if(!strcasecmp(icon, "warning") || !strcasecmp(icon, "error")) iicon = 1;
-		else icon = deficon;
-	}
-	assert(iicon >= 0 && iicon <= 3);
-	if(!(iicon >= 0 && iicon <= 3)) iicon = 0;
-
-	const char* answer = "ok";
-
-	if(itype == 1)
-		answer = PanicYesNo(str) ? "yes" : "no";
-	else if(iicon == 1)
-		SuccessAlert(str);
-	else
-		PanicAlert(str);
-
-	lua_pushstring(L, answer);
-	return 1;
-}
-
-// string gui.popup(string message, string type = "ok", string icon = "message")
-// string input.popup(string message, string type = "yesno", string icon = "question")
-DEFINE_LUA_FUNCTION(gui_popup, "message[,type=\"ok\"[,icon=\"message\"]]")
-{
-	return doPopup(L, "ok", "message");
-}
-DEFINE_LUA_FUNCTION(input_popup, "message[,type=\"yesno\"[,icon=\"question\"]]")
-{
-	return doPopup(L, "yesno", "question");
-}
-
-static const char* FilenameFromPath(const char* path)
-{
-	const char* slash1 = strrchr(path, '\\');
-	const char* slash2 = strrchr(path, '/');
-	if(slash1) slash1++;
-	if(slash2) slash2++;
-	const char* rv = path;
-	rv = max(rv, slash1);
-	rv = max(rv, slash2);
-	if(!rv) rv = "";
-	return rv;
-}
-
-
-static void toCStringConverter(lua_State* L, int i, char*& ptr, int& remaining);
-
-// compare the contents of two items on the Lua stack to determine if they differ
-// only works for relatively simple, saveable items (numbers, strings, bools, nil, and possibly-nested tables of those, up to a certain max length)
-// not the best implementation, but good enough for what it's currently used for
-static bool luaValueContentsDiffer(lua_State* L, int idx1, int idx2)
-{
-	static const int maxLen = 8192;
-	static char str1[maxLen];
-	static char str2[maxLen];
-	str1[0] = 0;
-	str2[0] = 0;
-	char* ptr1 = str1;
-	char* ptr2 = str2;
-	int remaining1 = maxLen;
-	int remaining2 = maxLen;
-	toCStringConverter(L, idx1, ptr1, remaining1);
-	toCStringConverter(L, idx2, ptr2, remaining2);
-	return (remaining1 != remaining2) || (strcmp(str1,str2) != 0);
-}
-
-
-// fills output with the path
-// also returns a pointer to the first character in the filename (non-directory) part of the path
-static char* ConstructScriptSaveDataPath(char* output, int bufferSize, LuaContextInfo& info)
-{
-//	Get_State_File_Name(output); TODO
-	char* slash1 = strrchr(output, '\\');
-	char* slash2 = strrchr(output, '/');
-	if(slash1) slash1[1] = '\0';
-	if(slash2) slash2[1] = '\0';
-	char* rv = output + strlen(output);
-	strncat(output, "u.", bufferSize-(strlen(output)+1));
-	if(!info.dataSaveLoadKeySet)
-		strncat(output, FilenameFromPath(info.lastFilename.c_str()), bufferSize-(strlen(output)+1));
-	else
-		snprintf(output+strlen(output), bufferSize-(strlen(output)+1), "%X", info.dataSaveKey);
-	strncat(output, ".luasav", bufferSize-(strlen(output)+1));
-	return rv;
-}
-
-// emulua.persistglobalvariables({
-//   variable1 = defaultvalue1,
-//   variable2 = defaultvalue2,
-//   etc
-// })
-// takes a table with variable names as the keys and default values as the values,
-// and defines each of those variables names as a global variable,
-// setting them equal to the values they had the last time the script exited,
-// or (if that isn't available) setting them equal to the provided default values.
-// as a special case, if you want the default value for a variable to be nil,
-// then put the variable name alone in quotes as an entry in the table without saying "= nil".
-// this special case is because tables in lua don't store nil valued entries.
-// also, if you change the default value that will reset the variable to the new default.
-DEFINE_LUA_FUNCTION(emulua_persistglobalvariables, "variabletable")
-{
-	int uid = luaStateToUIDMap[L];
-	LuaContextInfo& info = GetCurrentInfo();
-
-	// construct a path we can load the persistent variables from
-	char path [1024] = {0};
-	char* pathTypeChrPtr = ConstructScriptSaveDataPath(path, 1024, info);
-
-	// load the previously-saved final variable values from file
-	LuaSaveData exitData;
-	{
-		*pathTypeChrPtr = 'e';
-		FILE* persistFile = fopen(path, "rb");
-		if(persistFile)
-		{
-			exitData.ImportRecords(persistFile);
-			fclose(persistFile);
-		}
-	}
-
-	// load the previously-saved default variable values from file
-	LuaSaveData defaultData;
-	{
-		*pathTypeChrPtr = 'd';
-		FILE* defaultsFile = fopen(path, "rb");
-		if(defaultsFile)
-		{
-			defaultData.ImportRecords(defaultsFile);
-			fclose(defaultsFile);
-		}
-	}
-
-	// loop through the passed-in variables,
-	// exposing a global variable to the script for each one
-	// while also keeping a record of their names
-	// so we can save them (to the persistFile) later when the script exits
-	int numTables = lua_gettop(L);
-	for(int i = 1; i <= numTables; i++)
-	{
-		luaL_checktype(L, i, LUA_TTABLE);
-
-		lua_pushnil(L); // before first key
-		int keyIndex = lua_gettop(L);
-		int valueIndex = keyIndex + 1;
-		while(lua_next(L, i))
-		{
-			int keyType = lua_type(L, keyIndex);
-			int valueType = lua_type(L, valueIndex);
-			if(keyType == LUA_TSTRING && valueType <= LUA_TTABLE && valueType != LUA_TLIGHTUSERDATA)
-			{
-				// variablename = defaultvalue,
-
-				// duplicate the key first because lua_next() needs to eat that
-				lua_pushvalue(L, keyIndex);
-				lua_insert(L, keyIndex);
-			}
-			else if(keyType == LUA_TNUMBER && valueType == LUA_TSTRING)
-			{
-				// "variablename",
-				// or [index] = "variablename",
-
-				// defaultvalue is assumed to be nil
-				lua_pushnil(L);
-			}
-			else
-			{
-				luaL_error(L, "'%s' = '%s' entries are not allowed in the table passed to emulua.persistglobalvariables()", lua_typename(L,keyType), lua_typename(L,valueType));
-			}
-
-			int varNameIndex = valueIndex;
-			int defaultIndex = valueIndex+1;
-
-			// keep track of the variable name for later
-			const char* varName = lua_tostring(L, varNameIndex);
-			info.persistVars.push_back(varName);
-			unsigned int varNameCRC = crc32(0, (const unsigned char*)varName, (int)strlen(varName));
-			info.newDefaultData.SaveRecordPartial(uid, varNameCRC, defaultIndex);
-
-			// load the previous default value for this variable if it exists.
-			// if the new default is different than the old one,
-			// assume the user wants to set the value to the new default value
-			// instead of the previously-saved exit value.
-			bool attemptPersist = true;
-			defaultData.LoadRecord(uid, varNameCRC, 1);
-			lua_pushnil(L);
-			if(luaValueContentsDiffer(L, defaultIndex, defaultIndex+1))
-				attemptPersist = false;
-			lua_settop(L, defaultIndex);
-
-			if(attemptPersist)
-			{
-				// load the previous saved value for this variable if it exists
-				exitData.LoadRecord(uid, varNameCRC, 1);
-				if(lua_gettop(L) > defaultIndex)
-					lua_remove(L, defaultIndex); // replace value with loaded record
-				lua_settop(L, defaultIndex);
-			}
-
-			// set the global variable
-			lua_settable(L, LUA_GLOBALSINDEX);
-
-			assert(lua_gettop(L) == keyIndex);
-		}
-	}
-
-	return 0;
-}
-
-static const char* deferredGUIIDString = "lazygui";
-
-// store the most recent C function call from Lua (and all its arguments)
-// for later evaluation
-void DeferFunctionCall(lua_State* L, const char* idstring)
-{
-	// there might be a cleaner way of doing this using lua_pushcclosure and lua_getref
-
-	int num = lua_gettop(L);
-
-	// get the C function pointer
-	//lua_CFunction cf = lua_tocfunction(L, -(num+1));
-	lua_CFunction cf = (L->ci->func)->value.gc->cl.c.f;
-	assert(cf);
-	lua_pushcfunction(L,cf);
-
-	// make a list of the function and its arguments (and also pop those arguments from the stack)
-	lua_createtable(L, num+1, 0);
-	lua_insert(L, 1);
-	for(int n = num+1; n > 0; n--)
-		lua_rawseti(L, 1, n);
-
-	// put the list into a global array
-	lua_getfield(L, LUA_REGISTRYINDEX, idstring);
-	lua_insert(L, 1);
-	int curSize = (int)lua_objlen(L, 1);
-	lua_rawseti(L, 1, curSize+1);
-
-	// clean the stack
-	lua_settop(L, 0);
-}
-void CallDeferredFunctions(lua_State* L, const char* idstring)
-{
-	lua_settop(L, 0);
-	lua_getfield(L, LUA_REGISTRYINDEX, idstring);
-	int numCalls = (int)lua_objlen(L, 1);
-	for(int i = 1; i <= numCalls; i++)
-	{
-        lua_rawgeti(L, 1, i);  // get the function+arguments list
-		int listSize = (int)lua_objlen(L, 2);
-
-		// push the arguments and the function
-		for(int j = 1; j <= listSize; j++)
-			lua_rawgeti(L, 2, j);
-
-		// get and pop the function
-		lua_CFunction cf = lua_tocfunction(L, -1);
-		lua_pop(L, 1);
-
-		// shift first argument to slot 1 and call the function
-		lua_remove(L, 2);
-		lua_remove(L, 1);
-		cf(L);
-
-		// prepare for next iteration
-		lua_settop(L, 0);
-		lua_getfield(L, LUA_REGISTRYINDEX, idstring);
-	}
-
-	// clear the list of deferred functions
-	lua_newtable(L);
-	lua_setfield(L, LUA_REGISTRYINDEX, idstring);
-	LuaContextInfo& info = GetCurrentInfo();
-	info.numDeferredGUIFuncs = 0;
-
-	// clean the stack
-	lua_settop(L, 0);
-}
-
-#define MAX_DEFERRED_COUNT 16384
-
-bool DeferGUIFuncIfNeeded(lua_State* L)
-{
-	LuaContextInfo& info = GetCurrentInfo();
-	if(info.speedMode == SPEEDMODE_MAXIMUM)
-	{
-		// if the mode is "maximum" then discard all GUI function calls
-		// and pretend it was because we deferred them
-		return true;
-	}
-	if(info.guiFuncsNeedDeferring)
-	{
-		if(info.numDeferredGUIFuncs < MAX_DEFERRED_COUNT)
-		{
-			// defer whatever function called this one until later
-			DeferFunctionCall(L, deferredGUIIDString);
-			info.numDeferredGUIFuncs++;
-		}
-		else
-		{
-			// too many deferred functions on the same frame
-			// silently discard the rest
-		}
-		return true;
-	}
-
-	// ok to run the function right now
-	return false;
-}
-
-void worry(lua_State* L, int intensity)
-{
-	LuaContextInfo& info = GetCurrentInfo();
-	info.worryCount += intensity;
-}
-
-static inline bool isalphaorunderscore(char c)
-{
-	return isalpha(c) || c == '_';
-}
-
-static std::vector<const void*> s_tableAddressStack; // prevents infinite recursion of a table within a table (when cycle is found, print something like table:parent)
-static std::vector<const void*> s_metacallStack; // prevents infinite recursion if something's __tostring returns another table that contains that something (when cycle is found, print the inner result without using __tostring)
-
-#define APPENDPRINT { int _n = snprintf(ptr, remaining,
-#define END ); if(_n >= 0) { ptr += _n; remaining -= _n; } else { remaining = 0; } }
-static void toCStringConverter(lua_State* L, int i, char*& ptr, int& remaining)
-{
-	if(remaining <= 0)
-		return;
-
-	const char* str = ptr; // for debugging
-
-	// if there is a __tostring metamethod then call it
-	int usedMeta = luaL_callmeta(L, i, "__tostring");
-	if(usedMeta)
-	{
-		std::vector<const void*>::const_iterator foundCycleIter = std::find(s_metacallStack.begin(), s_metacallStack.end(), lua_topointer(L,i));
-		if(foundCycleIter != s_metacallStack.end())
-		{
-			lua_pop(L, 1);
-			usedMeta = false;
-		}
-		else
-		{
-			s_metacallStack.push_back(lua_topointer(L,i));
-			i = lua_gettop(L);
-		}
-	}
-
-	switch(lua_type(L, i))
-	{
-		case LUA_TNONE: break;
-		case LUA_TNIL: APPENDPRINT "nil" END break;
-		case LUA_TBOOLEAN: APPENDPRINT lua_toboolean(L,i) ? "true" : "false" END break;
-		case LUA_TSTRING: APPENDPRINT "%s", lua_tostring(L,i) END break;
-	case LUA_TNUMBER: APPENDPRINT "%.12Lg", (long double)lua_tonumber(L,i) END break;
-		case LUA_TFUNCTION: 
-			if((L->base + i-1)->value.gc->cl.c.isC)
-			{
-				lua_CFunction func = lua_tocfunction(L, i);
-				std::map<lua_CFunction, const char*>::iterator iter = s_cFuncInfoMap.find(func);
-				if(iter == s_cFuncInfoMap.end())
-					goto defcase;
-				APPENDPRINT "function(%s)", iter->second END 
-			}
-			else
-			{
-				APPENDPRINT "function(" END 
-				Proto* p = (L->base + i-1)->value.gc->cl.l.p;
-				int numParams = p->numparams + (p->is_vararg?1:0);
-				for (int n=0; n<p->numparams; n++)
-				{
-					APPENDPRINT "%s", getstr(p->locvars[n].varname) END 
-					if(n != numParams-1)
-						APPENDPRINT "," END
-				}
-				if(p->is_vararg)
-					APPENDPRINT "..." END
-				APPENDPRINT ")" END
-			}
-			break;
-defcase:default: APPENDPRINT "%s:%p",luaL_typename(L,i),lua_topointer(L,i) END break;
-		case LUA_TTABLE:
-		{
-			// first make sure there's enough stack space
-			if(!lua_checkstack(L, 4))
-			{
-				// note that even if lua_checkstack never returns false,
-				// that doesn't mean we didn't need to call it,
-				// because calling it retrieves stack space past LUA_MINSTACK
-				goto defcase;
-			}
-
-			std::vector<const void*>::const_iterator foundCycleIter = std::find(s_tableAddressStack.begin(), s_tableAddressStack.end(), lua_topointer(L,i));
-			if(foundCycleIter != s_tableAddressStack.end())
-			{
-				if((s_tableAddressStack.end() - foundCycleIter) > 1)
-					APPENDPRINT "%s:parent^%d",luaL_typename(L,i),(s_tableAddressStack.end() - foundCycleIter) END
-				else
-					APPENDPRINT "%s:parent",luaL_typename(L,i) END
-			}
-			else
-			{
-				s_tableAddressStack.push_back(lua_topointer(L,i));
-				struct Scope { ~Scope(){ s_tableAddressStack.pop_back(); } } scope;
-
-				APPENDPRINT "{" END
-
-				lua_pushnil(L); // first key
-				int keyIndex = lua_gettop(L);
-				int valueIndex = keyIndex + 1;
-				bool first = true;
-				bool skipKey = true; // true if we're still in the "array part" of the table
-				lua_Number arrayIndex = (lua_Number)0;
-				while(lua_next(L, i))
-				{
-					if(first)
-						first = false;
-					else
-						APPENDPRINT ", " END
-					if(skipKey)
-					{
-						arrayIndex += (lua_Number)1;
-						bool keyIsNumber = (lua_type(L, keyIndex) == LUA_TNUMBER);
-						skipKey = keyIsNumber && (lua_tonumber(L, keyIndex) == arrayIndex);
-					}
-					if(!skipKey)
-					{
-						bool keyIsString = (lua_type(L, keyIndex) == LUA_TSTRING);
-						bool invalidLuaIdentifier = (!keyIsString || !isalphaorunderscore(*lua_tostring(L, keyIndex)));
-						if(invalidLuaIdentifier) {
-							if(keyIsString) 
-								APPENDPRINT "['" END
-							else
-								APPENDPRINT "[" END
-					   }
-						toCStringConverter(L, keyIndex, ptr, remaining); // key
-
-						if(invalidLuaIdentifier) {
-							if(keyIsString)
-								APPENDPRINT "']=" END
-							else
-								APPENDPRINT "]=" END
-					    } else
-							APPENDPRINT "=" END
-					}
-
-					bool valueIsString = (lua_type(L, valueIndex) == LUA_TSTRING);
-					if(valueIsString)
-						APPENDPRINT "'" END
-
-					toCStringConverter(L, valueIndex, ptr, remaining); // value
-
-					if(valueIsString)
-						APPENDPRINT "'" END
-
-					lua_pop(L, 1);
-
-					if(remaining <= 0)
-					{
-						lua_settop(L, keyIndex-1); // stack might not be clean yet if we're breaking early
-						break;
-					}
-				}
-				APPENDPRINT "}" END
-			}
-		}	break;
-	}
-
-	if(usedMeta)
-	{
-		s_metacallStack.pop_back();
-		lua_pop(L, 1);
-	}
-}
-
-static const int s_tempStrMaxLen = 64 * 1024;
-static char s_tempStr [s_tempStrMaxLen];
-
-static char* rawToCString(lua_State* L, int idx)
-{
-	int a = idx>0 ? idx : 1;
-	int n = idx>0 ? idx : lua_gettop(L);
-
-	char* ptr = s_tempStr;
-	*ptr = 0;
-
-	int remaining = s_tempStrMaxLen;
-	for(int i = a; i <= n; i++)
-	{
-		toCStringConverter(L, i, ptr, remaining);
-		if(i != n)
-			APPENDPRINT " " END
-	}
-
-	if(remaining < 3)
-	{
-		while(remaining < 6)
-			remaining++, ptr--;
-		APPENDPRINT "..." END
-	}
-	APPENDPRINT "\r\n" END
-	// the trailing newline is so print() can avoid having to do wasteful things to print its newline
-	// (string copying would be wasteful and calling info.print() twice can be extremely slow)
-	// at the cost of functions that don't want the newline needing to trim off the last two characters
-	// (which is a very fast operation and thus acceptable in this case)
-
-	return s_tempStr;
-}
-#undef APPENDPRINT
-#undef END
-
-
-// replacement for luaB_tostring() that is able to show the contents of tables (and formats numbers better, and show function prototypes)
-// can be called directly from lua via tostring(), assuming tostring hasn't been reassigned
-DEFINE_LUA_FUNCTION(tostring, "...")
-{
-	char* str = rawToCString(L);
-	str[strlen(str)-2] = 0; // hack: trim off the \r\n (which is there to simplify the print function's task)
-	lua_pushstring(L, str);
-	return 1;
-}
-
-// like rawToCString, but will check if the global Lua function tostring()
-// has been replaced with a custom function, and call that instead if so
-static const char* toCString(lua_State* L, int idx)
-{
-	int a = idx>0 ? idx : 1;
-	int n = idx>0 ? idx : lua_gettop(L);
-	lua_getglobal(L, "tostring");
-	lua_CFunction cf = lua_tocfunction(L,-1);
-	if(cf == tostring) // optimization: if using our own C tostring function, we can bypass the call through Lua and all the string object allocation that would entail
-	{
-		lua_pop(L,1);
-		return rawToCString(L, idx);
-	}
-	else // if the user overrided the tostring function, we have to actually call it and store the temporarily allocated string it returns
-	{
-		lua_pushstring(L, "");
-		for (int i=a; i<=n; i++) {
-			lua_pushvalue(L, -2);  // function to be called
-			lua_pushvalue(L, i);   // value to print
-			lua_call(L, 1, 1);
-			if(lua_tostring(L, -1) == NULL)
-				luaL_error(L, LUA_QL("tostring") " must return a string to " LUA_QL("print"));
-			lua_pushstring(L, (i<n) ? " " : "\r\n");
-			lua_concat(L, 3);
-		}
-		const char* str = lua_tostring(L, -1);
-		strncpy(s_tempStr, str, s_tempStrMaxLen);
-		s_tempStr[s_tempStrMaxLen-1] = 0;
-		lua_pop(L, 2);
-		return s_tempStr;
-	}
-}
-
-// replacement for luaB_print() that goes to the appropriate textbox instead of stdout
-DEFINE_LUA_FUNCTION(print, "...")
-{
-	const char* str = toCString(L);
-
-	int uid = luaStateToUIDMap[L];
-	LuaContextInfo& info = GetCurrentInfo();
-
-	if(info.print)
-		info.print(uid, str);
-	else
-		puts(str);
-
-	worry(L, 100);
-	return 0;
-}
-
-DEFINE_LUA_FUNCTION(emulua_message, "str")
-{
-	const char* str = toCString(L);
-	Core::DisplayMessage(str, 2000);
-	return 0;
-}
-
-// provides an easy way to copy a table from Lua
-// (simple assignment only makes an alias, but sometimes an independent table is desired)
-// currently this function only performs a shallow copy,
-// but I think it should be changed to do a deep copy (possibly of configurable depth?)
-// that maintains the internal table reference structure
-DEFINE_LUA_FUNCTION(copytable, "origtable")
-{
-	int origIndex = 1; // we only care about the first argument
-	int origType = lua_type(L, origIndex);
-	if(origType == LUA_TNIL)
-	{
-		lua_pushnil(L);
-		return 1;
-	}
-	if(origType != LUA_TTABLE)
-	{
-		luaL_typerror(L, 1, lua_typename(L, LUA_TTABLE));
-		lua_pushnil(L);
-		return 1;
-	}
-	
-	lua_createtable(L, (int)lua_objlen(L,1), 0);
-	int copyIndex = lua_gettop(L);
-
-	lua_pushnil(L); // first key
-	int keyIndex = lua_gettop(L);
-	int valueIndex = keyIndex + 1;
-
-	while(lua_next(L, origIndex))
-	{
-		lua_pushvalue(L, keyIndex);
-		lua_pushvalue(L, valueIndex);
-		lua_rawset(L, copyIndex); // copytable[key] = value
-		lua_pop(L, 1);
-	}
-
-	// copy the reference to the metatable as well, if any
-	if(lua_getmetatable(L, origIndex))
-		lua_setmetatable(L, copyIndex);
-
-	return 1; // return the new table
-}
-
-// because print traditionally shows the address of tables,
-// and the print function I provide instead shows the contents of tables,
-// I also provide this function
-// (otherwise there would be no way to see a table's address, AFAICT)
-DEFINE_LUA_FUNCTION(addressof, "table_or_function")
-{
-	const void* ptr = lua_topointer(L,-1);
-	lua_pushinteger(L, (lua_Integer)ptr);
-	return 1;
-}
-
-DEFINE_LUA_FUNCTION(_bitand, "...[integers]")
-{
-	int rv = ~0;
-	int numArgs = lua_gettop(L);
-	for(int i = 1; i <= numArgs; i++)
-		rv &= (int)luaL_checkinteger(L,i);
-	lua_settop(L,0);
-	lua_pushinteger(L,rv);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(_bitor, "...[integers]")
-{
-	int rv = 0;
-	int numArgs = lua_gettop(L);
-	for(int i = 1; i <= numArgs; i++)
-		rv |= (int)luaL_checkinteger(L,i);
-	lua_settop(L,0);
-	lua_pushinteger(L,rv);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(bitxor, "...[integers]")
-{
-	int rv = 0;
-	int numArgs = lua_gettop(L);
-	for(int i = 1; i <= numArgs; i++)
-		rv ^= (int)luaL_checkinteger(L,i);
-	lua_settop(L,0);
-	lua_pushinteger(L,rv);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(bitshift, "num,shift")
-{
-	int num = (int)luaL_checkinteger(L,1);
-	int shift = (int)luaL_checkinteger(L,2);
-	if(shift < 0)
-		num <<= -shift;
-	else
-		num >>= shift;
-	lua_settop(L,0);
-	lua_pushinteger(L,num);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(bitbit, "whichbit")
-{
-	int rv = 0;
-	int numArgs = lua_gettop(L);
-	for(int i = 1; i <= numArgs; i++)
-		rv |= (1 << (int)luaL_checkinteger(L,i));
-	lua_settop(L,0);
-	lua_pushinteger(L,rv);
-	return 1;
-}
-
-// tells emulua to wait while the script is doing calculations
-// can call this periodically instead of emulua.frameadvance
-// note that the user can use hotkeys at this time
-// (e.g. a savestate could possibly get loaded before emulua.wait() returns)
-DEFINE_LUA_FUNCTION(emulua_wait, "")
-{
-	/*LuaContextInfo& info = GetCurrentInfo();
-
-	switch(info.speedMode)
-	{
-		default:
-		case SPEEDMODE_NORMAL:
-			Step_emulua_MainLoop(true, false);
-			break;
-		case SPEEDMODE_NOTHROTTLE:
-		case SPEEDMODE_TURBO:
-		case SPEEDMODE_MAXIMUM:
-			Step_emulua_MainLoop(Core::GetState() == Core::CORE_PAUSE, false);
-			break;
-	}*/
-
-	return 0;
-}
-
-void indicateBusy(lua_State* L, bool busy)
-{
-	// disabled because there have been complaints about this message being useless spam.
-}
-
-#define HOOKCOUNT 4096
-#define MAX_WORRY_COUNT 6000
-void LuaRescueHook(lua_State* L, lua_Debug *dbg)
-{
-	LuaContextInfo& info = GetCurrentInfo();
-
-	info.worryCount++;
-
-	if(info.stopWorrying && !info.panic)
-	{
-		if(info.worryCount > (MAX_WORRY_COUNT >> 2))
-		{
-			// the user already said they're OK with the script being frozen,
-			// but we don't trust their judgement completely,
-			// so periodically update the main loop so they have a chance to manually stop it
-			info.worryCount = 0;
-			emulua_wait(L);
-			info.stopWorrying = true;
-		}
-		return;
-	}
-
-	if(info.worryCount > MAX_WORRY_COUNT || info.panic)
-	{
-		info.worryCount = 0;
-		info.stopWorrying = false;
-
-		bool stoprunning = true;
-		bool stopworrying = true;
-		if(!info.panic)
-		{
-			CPluginManager::GetInstance().GetDSP()->DSP_ClearAudioBuffer();
-			stoprunning = PanicYesNo("A Lua script has been running for quite a while. Maybe it is in an infinite loop.\n\nWould you like to stop the script?\n\n(Yes to stop it now,\n No to keep running and not ask again)");
-		}
-
-		if(!stoprunning && stopworrying)
-		{
-			info.stopWorrying = true; // don't remove the hook because we need it still running for RequestAbortLuaScript to work
-			indicateBusy(info.L, true);
-		}
-
-		if(stoprunning)
-		{
-			//lua_sethook(L, NULL, 0, 0);
-			assert(L->errfunc || L->errorJmp);
-			luaL_error(L, info.panic ? info.panicMessage : "terminated by user");
-		}
-
-		info.panic = false;
-	}
-}
-
-void printfToOutput(const char* fmt, ...)
-{
-	va_list list;
-	va_start(list, fmt);
-	#ifdef _WIN32
-	int len = vscprintf(fmt, list);
-	#else
-	//vscprint is non-standard windows crap
-	int len = 1024;
-	#endif
-	char* str = new char[len+1];
-	vsprintf(str, fmt, list);
-	va_end(list);
-	LuaContextInfo& info = GetCurrentInfo();
-	if(info.print)
-	{
-		lua_State* L = info.L;
-		int uid = luaStateToUIDMap[L];
-		info.print(uid, str);
-		info.print(uid, "\r\n");
-		worry(L,300);
-	}
-	else
-	{
-		fprintf(stdout, "%s\n", str);
-	}
-	delete[] str;
-}
-
-// What is THAT?
-bool FailVerifyAtFrameBoundary(lua_State* L, const char* funcName, int unstartedSeverity=2, int inframeSeverity=2)
-{
-	return false;
-}
-
-// TODO
-/*
-// acts similar to normal emulation update
-// except without the user being able to activate emulator commands
-DEFINE_LUA_FUNCTION(emulua_emulateframe, "")
-{
-	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframe", 0,1))
-		return 0;
-	
-	Update_Emulation_One((HWND)Core::g_CoreStartupParameter.hMainWindow);
-	Prevent_Next_Frame_Skipping(); // so we don't skip a whole bunch of frames immediately after emulating many frames by this method
-
-	worry(L,300);
-	return 0;
-}
-
-// acts as a fast-forward emulation update that still renders every frame
-// and the user is unable to activate emulator commands during it
-DEFINE_LUA_FUNCTION(emulua_emulateframefastnoskipping, "")
-{
-	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframefastnoskipping", 0,1))
-		return 0;
-
-	Update_Emulation_One_Before((HWND)Core::g_CoreStartupParameter.hMainWindow);
-	Update_Frame_Hook();
-	Update_Emulation_After_Controlled((HWND)Core::g_CoreStartupParameter.hMainWindow, true);
-	Prevent_Next_Frame_Skipping(); // so we don't skip a whole bunch of frames immediately after a bout of fast-forward frames
-
-	worry(L,200);
-	return 0;
-}
-
-// acts as a (very) fast-forward emulation update
-// where the user is unable to activate emulator commands
-DEFINE_LUA_FUNCTION(emulua_emulateframefast, "")
-{
-	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframefast", 0,1))
-		return 0;
-
-	disableVideoLatencyCompensationCount = VideoLatencyCompensation + 1;
-
-	Update_Emulation_One_Before((HWND)Core::g_CoreStartupParameter.hMainWindow);
-
-	if(FrameCount%16 == 0) // skip rendering 15 out of 16 frames
-	{
-		// update once and render
-		Update_Frame_Hook();
-		Update_Emulation_After_Controlled((HWND)Core::g_CoreStartupParameter.hMainWindow, true);
-	}
-	else
-	{
-		// update once but skip rendering
-		Update_Frame_Fast_Hook();
-		Update_Emulation_After_Controlled((HWND)Core::g_CoreStartupParameter.hMainWindow, false);
-	}
-
-	Prevent_Next_Frame_Skipping(); // so we don't skip a whole bunch of frames immediately AFTER a bout of fast-forward frames
-
-	worry(L,150);
-	return 0;
-}
-
-// acts as an extremely-fast-forward emulation update
-// that also doesn't render any graphics or generate any sounds,
-// and the user is unable to activate emulator commands during it.
-// if you load a savestate after calling this function,
-// it should leave no trace of having been called,
-// so you can do things like generate future emulation states every frame
-// while the user continues to see and hear normal emulation
-DEFINE_LUA_FUNCTION(emulua_emulateframeinvisible, "")
-{
-	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframeinvisible", 0,1))
-		return 0;
-
-	int oldDisableSound2 = disableSound2;
-	int oldDisableRamSearchUpdate = disableRamSearchUpdate;
-	disableSound2 = true;
-	disableRamSearchUpdate = true;
-
-	Update_Emulation_One_Before_Minimal();
-	Update_Frame_Fast();
-	UpdateLagCount();
-
-	disableSound2 = oldDisableSound2;
-	disableRamSearchUpdate = oldDisableRamSearchUpdate;
-
-	// disable video latency compensation for a few frames
-	// because it can get pretty slow if that's doing prediction updates every frame
-	// when the lua script is also doing prediction updates
-	disableVideoLatencyCompensationCount = VideoLatencyCompensation + 1;
-
-	worry(L,100);
-	return 0;
-}
-
-DEFINE_LUA_FUNCTION(emulua_speedmode, "mode")
-{
-	SpeedMode newSpeedMode = SPEEDMODE_NORMAL;
-	if(lua_isnumber(L,1))
-		newSpeedMode = (SpeedMode)luaL_checkinteger(L,1);
-	else
-	{
-		const char* str = luaL_checkstring(L,1);
-		if(!strcasecmp(str, "normal"))
-			newSpeedMode = SPEEDMODE_NORMAL;
-		else if(!strcasecmp(str, "nothrottle"))
-			newSpeedMode = SPEEDMODE_NOTHROTTLE;
-		else if(!strcasecmp(str, "turbo"))
-			newSpeedMode = SPEEDMODE_TURBO;
-		else if(!strcasecmp(str, "maximum"))
-			newSpeedMode = SPEEDMODE_MAXIMUM;
-	}
-
-	LuaContextInfo& info = GetCurrentInfo();
-	info.speedMode = newSpeedMode;
-	RefreshScriptSpeedStatus();
-	return 0;
-}*/
-
-
-
-DEFINE_LUA_FUNCTION(emulua_frameadvance, "")
-{
-	if(FailVerifyAtFrameBoundary(L, "emulua.frameadvance", 0,1))
-		return emulua_wait(L);
-
-	int uid = luaStateToUIDMap[L];
-	LuaContextInfo& info = GetCurrentInfo();
-
-	if(!info.ranFrameAdvance) {
-		info.ranFrameAdvance = true;
-		Frame::SetFrameStepping(info.ranFrameAdvance);
-	}
-
-	// Should step exactly one frame
-	Core::SetState(Core::CORE_RUN);
-
-	return 0;
-}
-
-
-DEFINE_LUA_FUNCTION(emulua_pause, "")
-{
-	Core::SetState(Core::CORE_PAUSE);
-	return 0;
-}
-
-DEFINE_LUA_FUNCTION(emulua_unpause, "")
-{
-	Core::SetState(Core::CORE_RUN);
-	return 0;
-}
-
-DEFINE_LUA_FUNCTION(emulua_redraw, "")
-{
-	Host_UpdateMainFrame();
-	worry(L,250);
-	return 0;
-}
-
-
-DEFINE_LUA_FUNCTION(memory_readbyte, "address")
-{
+// Copyright (C) 2003 Dolphin Project.
+ 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+ 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+ 
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+ 
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include <vector>
+#include <map>
+#include <cassert>
+#include <algorithm>
+#include "zlib.h"
+
+#include "LuaInterface.h"
+#include "Common.h"
+#include "OnFrame.h"
+#include "Core.h"
+#include "State.h"
+#include "ConfigManager.h"
+#include "PluginManager.h"
+#include "HW/Memmap.h"
+#include "Host.h"
+
+
+extern "C" {
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+#include "lstate.h"
+};
+
+// TODO Count: 7
+
+#if defined(DEBUG) || defined(DEBUGFAST)
+bool Debug = true;
+#else
+bool Debug = false;
+#endif
+
+namespace Lua {
+
+int disableSound2, disableRamSearchUpdate;
+bool BackgroundInput;
+bool g_disableStatestateWarnings;
+bool g_onlyCallSavestateCallbacks;
+bool frameadvSkipLagForceDisable;
+bool SkipNextRerecordIncrement;
+
+enum SpeedMode
+{
+	SPEEDMODE_NORMAL,
+	SPEEDMODE_NOTHROTTLE,
+	SPEEDMODE_TURBO,
+	SPEEDMODE_MAXIMUM,
+};
+
+struct LuaContextInfo {
+	lua_State* L; // the Lua state
+	bool started; // script has been started and hasn't yet been terminated, although it may not be currently running
+	bool running; // script is currently running code (either the main call to the script or the callbacks it registered)
+	bool returned; // main call to the script has returned (but it may still be active if it registered callbacks)
+	bool crashed; // true if script has errored out
+	bool restart; // if true, tells the script-running code to restart the script when the script stops
+	bool restartLater; // set to true when a still-running script is stopped so that RestartAllLuaScripts can know which scripts to restart
+	unsigned int worryCount; // counts up as the script executes, gets reset when the application is able to process messages, triggers a warning prompt if it gets too high
+	bool stopWorrying; // set to true if the user says to let the script run forever despite appearing to be frozen
+	bool panic; // if set to true, tells the script to terminate as soon as it can do so safely (used because directly calling lua_close() or luaL_error() is unsafe in some contexts)
+	bool ranExit; // used to prevent a registered exit callback from ever getting called more than once
+	bool guiFuncsNeedDeferring; // true whenever GUI drawing would be cleared by the next emulation update before it would be visible, and thus needs to be deferred until after the next emulation update
+	int numDeferredGUIFuncs; // number of deferred function calls accumulated, used to impose an arbitrary limit to avoid running out of memory
+	bool ranFrameAdvance; // false if emulua.frameadvance() hasn't been called yet
+	int transparencyModifier; // values less than 255 will scale down the opacity of whatever the GUI renders, values greater than 255 will increase the opacity of anything transparent the GUI renders
+	SpeedMode speedMode; // determines how emulua.frameadvance() acts
+	char panicMessage [72]; // a message to print if the script terminates due to panic being set
+	std::string lastFilename; // path to where the script last ran from so that restart can work (note: storing the script in memory instead would not be useful because we always want the most up-to-date script from file)
+	std::string nextFilename; // path to where the script should run from next, mainly used in case the restart flag is true
+	unsigned int dataSaveKey; // crc32 of the save data key, used to decide which script should get which data... by default (if no key is specified) it's calculated from the script filename
+	unsigned int dataLoadKey; // same as dataSaveKey but set through registerload instead of registersave if the two differ
+	bool dataSaveLoadKeySet; // false if the data save keys are unset or set to their default value
+	bool rerecordCountingDisabled; // true if this script has disabled rerecord counting for the savestates it loads
+	std::vector<std::string> persistVars; // names of the global variables to persist, kept here so their associated values can be output when the script exits
+	LuaSaveData newDefaultData; // data about the default state of persisted global variables, which we save on script exit so we can detect when the default value has changed to make it easier to reset persisted variables
+	unsigned int numMemHooks; // number of registered memory functions (1 per hooked byte)
+	// callbacks into the lua window... these don't need to exist per context the way I'm using them, but whatever
+	void(*print)(int uid, const char* str);
+	void(*onstart)(int uid);
+	void(*onstop)(int uid, bool statusOK);
+};
+std::map<int, LuaContextInfo*> luaContextInfo;
+std::map<lua_State*, int> luaStateToUIDMap;
+int g_numScriptsStarted = 0;
+bool g_anyScriptsHighSpeed = false;
+bool g_stopAllScriptsEnabled = true;
+
+#define USE_INFO_STACK
+#ifdef USE_INFO_STACK
+	std::vector<LuaContextInfo*> infoStack;
+	#define GetCurrentInfo() *infoStack.front() // should be faster but relies on infoStack correctly being updated to always have the current info in the first element
+#else
+	std::map<lua_State*, LuaContextInfo*> luaStateToContextMap;
+	#define GetCurrentInfo() *luaStateToContextMap[L] // should always work but might be slower
+#endif
+
+static std::map<lua_CFunction, const char*> s_cFuncInfoMap;
+
+// using this macro you can define a callable-from-Lua function
+// while associating with it some information about its arguments.
+// that information will show up if the user tries to print the function
+// or otherwise convert it to a string.
+// (for example, "writebyte=function(addr,value)" instead of "writebyte=function:0A403490")
+// note that the user can always use addressof(func) if they want to retrieve the address.
+#define DEFINE_LUA_FUNCTION(name, argstring) \
+	static int name(lua_State* L); \
+	static const char* name##_args = s_cFuncInfoMap[name] = argstring; \
+	static int name(lua_State* L)
+
+static const char* luaCallIDStrings [] =
+{
+	"CALL_BEFOREEMULATION",
+	"CALL_AFTEREMULATION",
+	"CALL_AFTEREMULATIONGUI",
+	"CALL_BEFOREEXIT",
+	"CALL_BEFORESAVE",
+	"CALL_AFTERLOAD",
+	"CALL_ONSTART",
+
+	"CALL_HOTKEY_1",
+	"CALL_HOTKEY_2",
+	"CALL_HOTKEY_3",
+	"CALL_HOTKEY_4",
+	"CALL_HOTKEY_5",
+	"CALL_HOTKEY_6",
+	"CALL_HOTKEY_7",
+	"CALL_HOTKEY_8",
+	"CALL_HOTKEY_9",
+	"CALL_HOTKEY_10",
+	"CALL_HOTKEY_11",
+	"CALL_HOTKEY_12",
+	"CALL_HOTKEY_13",
+	"CALL_HOTKEY_14",
+	"CALL_HOTKEY_15",
+	"CALL_HOTKEY_16",
+};
+	//static const int _makeSureWeHaveTheRightNumberOfStrings [sizeof(luaCallIDStrings)/sizeof(*luaCallIDStrings) == LUACALL_COUNT ? 1 : 0];
+
+static const char* luaMemHookTypeStrings [] =
+{
+	"MEMHOOK_WRITE",
+	"MEMHOOK_READ",
+	"MEMHOOK_EXEC",
+
+	"MEMHOOK_WRITE_SUB",
+	"MEMHOOK_READ_SUB",
+	"MEMHOOK_EXEC_SUB",
+};
+	//static const int _makeSureWeHaveTheRightNumberOfStrings2 [sizeof(luaMemHookTypeStrings)/sizeof(*luaMemHookTypeStrings) == LUAMEMHOOK_COUNT ? 1 : 0];
+
+void StopScriptIfFinished(int uid, bool justReturned = false);
+void SetSaveKey(LuaContextInfo& info, const char* key);
+void SetLoadKey(LuaContextInfo& info, const char* key);
+void RefreshScriptStartedStatus();
+void RefreshScriptSpeedStatus();
+
+static char* rawToCString(lua_State* L, int idx=0);
+static const char* toCString(lua_State* L, int idx=0);
+
+static void CalculateMemHookRegions(LuaMemHookType hookType);
+
+static int memory_registerHook(lua_State* L, LuaMemHookType hookType, int defaultSize)
+{
+	// get first argument: address
+	unsigned int addr = (unsigned int)luaL_checkinteger(L,1);
+	if((addr & ~0xFFFFFF) == (unsigned int)~0xFFFFFF)
+		addr &= 0xFFFFFF;
+
+	// get optional second argument: size
+	int size = defaultSize;
+	int funcIdx = 2;
+	if(lua_isnumber(L,2))
+	{
+		size = (int)luaL_checkinteger(L,2);
+		if(size < 0)
+		{
+			size = -size;
+			addr -= size;
+		}
+		funcIdx++;
+	}
+
+	// check last argument: callback function
+	bool clearing = lua_isnil(L,funcIdx);
+	if(!clearing)
+		luaL_checktype(L, funcIdx, LUA_TFUNCTION);
+	lua_settop(L,funcIdx);
+
+	// get the address-to-callback table for this hook type of the current script
+	lua_getfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[hookType]);
+
+	// count how many callback functions we'll be displacing
+	int numFuncsAfter = clearing ? 0 : size;
+	int numFuncsBefore = 0;
+	for(unsigned int i = addr; i != addr+size; i++)
+	{
+		lua_rawgeti(L, -1, i);
+		if(lua_isfunction(L, -1))
+			numFuncsBefore++;
+		lua_pop(L,1);
+	}
+
+	// put the callback function in the address slots
+	for(unsigned int i = addr; i != addr+size; i++)
+	{
+		lua_pushvalue(L, -2);
+		lua_rawseti(L, -2, i);
+	}
+
+	// adjust the count of active hooks
+	LuaContextInfo& info = GetCurrentInfo();
+	info.numMemHooks += numFuncsAfter - numFuncsBefore;
+
+	// re-cache regions of hooked memory across all scripts
+	CalculateMemHookRegions(hookType);
+
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 0;
+}
+
+LuaMemHookType MatchHookTypeToCPU(lua_State* L, LuaMemHookType hookType)
+{
+	int cpuID = 0;
+
+	int cpunameIndex = 0;
+	if(lua_type(L,2) == LUA_TSTRING)
+		cpunameIndex = 2;
+	else if(lua_type(L,3) == LUA_TSTRING)
+		cpunameIndex = 3;
+
+	if(cpunameIndex)
+	{
+		const char* cpuName = lua_tostring(L, cpunameIndex);
+		if(!strcasecmp(cpuName, "sub") || !strcasecmp(cpuName, "s68k"))
+			cpuID = 1;
+		lua_remove(L, cpunameIndex);
+	}
+
+	switch(cpuID)
+	{
+	case 0: // m68k:
+		return hookType;
+
+	case 1: // s68k:
+		switch(hookType)
+		{
+		case LUAMEMHOOK_WRITE: return LUAMEMHOOK_WRITE_SUB;
+		case LUAMEMHOOK_READ: return LUAMEMHOOK_READ_SUB;
+		case LUAMEMHOOK_EXEC: return LUAMEMHOOK_EXEC_SUB;
+		case LUAMEMHOOK_WRITE_SUB:
+		case LUAMEMHOOK_READ_SUB:
+		case LUAMEMHOOK_EXEC_SUB:
+		case LUAMEMHOOK_COUNT:
+			break;
+		}
+	}
+	return hookType;
+}
+
+DEFINE_LUA_FUNCTION(memory_registerwrite, "address,[size=1,][cpuname=\"main\",]func")
+{
+	return memory_registerHook(L, MatchHookTypeToCPU(L,LUAMEMHOOK_WRITE), 1);
+}
+DEFINE_LUA_FUNCTION(memory_registerread, "address,[size=1,][cpuname=\"main\",]func")
+{
+	return memory_registerHook(L, MatchHookTypeToCPU(L,LUAMEMHOOK_READ), 1);
+}
+DEFINE_LUA_FUNCTION(memory_registerexec, "address,[size=2,][cpuname=\"main\",]func")
+{
+	return memory_registerHook(L, MatchHookTypeToCPU(L,LUAMEMHOOK_EXEC), 2);
+}
+
+
+DEFINE_LUA_FUNCTION(emulua_registerbefore, "func")
+{
+	if (!lua_isnil(L,1))
+		luaL_checktype(L, 1, LUA_TFUNCTION);
+	lua_settop(L,1);
+	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEMULATION]);
+	lua_insert(L,1);
+	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEMULATION]);
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(emulua_registerafter, "func")
+{
+	if (!lua_isnil(L,1))
+		luaL_checktype(L, 1, LUA_TFUNCTION);
+	lua_settop(L,1);
+	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATION]);
+	lua_insert(L,1);
+	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATION]);
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(emulua_registerexit, "func")
+{
+	if (!lua_isnil(L,1))
+		luaL_checktype(L, 1, LUA_TFUNCTION);
+	lua_settop(L,1);
+	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEXIT]);
+	lua_insert(L,1);
+	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEXIT]);
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(emulua_registerstart, "func")
+{
+	if (!lua_isnil(L,1))
+		luaL_checktype(L, 1, LUA_TFUNCTION);
+	lua_settop(L,1);
+	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_ONSTART]);
+	lua_insert(L,1);
+	lua_pushvalue(L,-1); // copy the function so we can also call it
+	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_ONSTART]);
+	if (!lua_isnil(L,-1) && (Core::isRunning()))
+		lua_call(L,0,0); // call the function now since the game has already started and this start function hasn't been called yet
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(gui_register, "func")
+{
+	if (!lua_isnil(L,1))
+		luaL_checktype(L, 1, LUA_TFUNCTION);
+	lua_settop(L,1);
+	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATIONGUI]);
+	lua_insert(L,1);
+	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTEREMULATIONGUI]);
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(state_registersave, "func[,savekey]")
+{
+	if (!lua_isnil(L,1))
+		luaL_checktype(L, 1, LUA_TFUNCTION);
+	if (!lua_isnoneornil(L,2))
+		SetSaveKey(GetCurrentInfo(), rawToCString(L,2));
+	lua_settop(L,1);
+	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFORESAVE]);
+	lua_insert(L,1);
+	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFORESAVE]);
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(state_registerload, "func[,loadkey]")
+{
+	if (!lua_isnil(L,1))
+		luaL_checktype(L, 1, LUA_TFUNCTION);
+	if (!lua_isnoneornil(L,2))
+		SetLoadKey(GetCurrentInfo(), rawToCString(L,2));
+	lua_settop(L,1);
+	lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTERLOAD]);
+	lua_insert(L,1);
+	lua_setfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_AFTERLOAD]);
+	StopScriptIfFinished(luaStateToUIDMap[L]);
+	return 1;
+}
+
+DEFINE_LUA_FUNCTION(input_registerhotkey, "keynum,func")
+{
+	int hotkeyNumber = (int)luaL_checkinteger(L,1);
+	if(hotkeyNumber < 1 || hotkeyNumber > 16)
+	{
+		luaL_error(L, "input.registerhotkey(n,func) requires 1 <= n <= 16, but got n = %d.", hotkeyNumber);
+		return 0;
+	}
+	else
+	{
+		const char* key = luaCallIDStrings[LUACALL_SCRIPT_HOTKEY_1 + hotkeyNumber-1];
+		lua_getfield(L, LUA_REGISTRYINDEX, key);
+		lua_replace(L,1);
+		if (!lua_isnil(L,2))
+			luaL_checktype(L, 2, LUA_TFUNCTION);
+		lua_settop(L,2);
+		lua_setfield(L, LUA_REGISTRYINDEX, key);
+		StopScriptIfFinished(luaStateToUIDMap[L]);
+		return 1;
+	}
+}
+
+static int doPopup(lua_State* L, const char* deftype, const char* deficon)
+{
+	const char* str = toCString(L,1);
+	const char* type = lua_type(L,2) == LUA_TSTRING ? lua_tostring(L,2) : deftype;
+	const char* icon = lua_type(L,3) == LUA_TSTRING ? lua_tostring(L,3) : deficon;
+
+	int itype = -1, iters = 0;
+	while(itype == -1 && iters++ < 2)
+	{
+		if(!strcasecmp(type, "ok")) itype = 0;
+		else if(!strcasecmp(type, "yesno")) itype = 1;
+		else type = deftype;
+	}
+	assert(itype >= 0 && itype <= 4);
+	if(!(itype >= 0 && itype <= 4)) itype = 0;
+
+	int iicon = -1; iters = 0;
+	while(iicon == -1 && iters++ < 2)
+	{
+		if(!strcasecmp(icon, "message") || !strcasecmp(icon, "notice")) iicon = 0;
+		else if(!strcasecmp(icon, "warning") || !strcasecmp(icon, "error")) iicon = 1;
+		else icon = deficon;
+	}
+	assert(iicon >= 0 && iicon <= 3);
+	if(!(iicon >= 0 && iicon <= 3)) iicon = 0;
+
+	const char* answer = "ok";
+
+	if(itype == 1)
+		answer = PanicYesNo(str) ? "yes" : "no";
+	else if(iicon == 1)
+		SuccessAlert(str);
+	else
+		PanicAlert(str);
+
+	lua_pushstring(L, answer);
+	return 1;
+}
+
+// string gui.popup(string message, string type = "ok", string icon = "message")
+// string input.popup(string message, string type = "yesno", string icon = "question")
+DEFINE_LUA_FUNCTION(gui_popup, "message[,type=\"ok\"[,icon=\"message\"]]")
+{
+	return doPopup(L, "ok", "message");
+}
+DEFINE_LUA_FUNCTION(input_popup, "message[,type=\"yesno\"[,icon=\"question\"]]")
+{
+	return doPopup(L, "yesno", "question");
+}
+
+static const char* FilenameFromPath(const char* path)
+{
+	const char* slash1 = strrchr(path, '\\');
+	const char* slash2 = strrchr(path, '/');
+	if(slash1) slash1++;
+	if(slash2) slash2++;
+	const char* rv = path;
+	rv = max(rv, slash1);
+	rv = max(rv, slash2);
+	if(!rv) rv = "";
+	return rv;
+}
+
+
+static void toCStringConverter(lua_State* L, int i, char*& ptr, int& remaining);
+
+// compare the contents of two items on the Lua stack to determine if they differ
+// only works for relatively simple, saveable items (numbers, strings, bools, nil, and possibly-nested tables of those, up to a certain max length)
+// not the best implementation, but good enough for what it's currently used for
+static bool luaValueContentsDiffer(lua_State* L, int idx1, int idx2)
+{
+	static const int maxLen = 8192;
+	static char str1[maxLen];
+	static char str2[maxLen];
+	str1[0] = 0;
+	str2[0] = 0;
+	char* ptr1 = str1;
+	char* ptr2 = str2;
+	int remaining1 = maxLen;
+	int remaining2 = maxLen;
+	toCStringConverter(L, idx1, ptr1, remaining1);
+	toCStringConverter(L, idx2, ptr2, remaining2);
+	return (remaining1 != remaining2) || (strcmp(str1,str2) != 0);
+}
+
+
+// fills output with the path
+// also returns a pointer to the first character in the filename (non-directory) part of the path
+static char* ConstructScriptSaveDataPath(char* output, int bufferSize, LuaContextInfo& info)
+{
+//	Get_State_File_Name(output); TODO
+	char* slash1 = strrchr(output, '\\');
+	char* slash2 = strrchr(output, '/');
+	if(slash1) slash1[1] = '\0';
+	if(slash2) slash2[1] = '\0';
+	char* rv = output + strlen(output);
+	strncat(output, "u.", bufferSize-(strlen(output)+1));
+	if(!info.dataSaveLoadKeySet)
+		strncat(output, FilenameFromPath(info.lastFilename.c_str()), bufferSize-(strlen(output)+1));
+	else
+		snprintf(output+strlen(output), bufferSize-(strlen(output)+1), "%X", info.dataSaveKey);
+	strncat(output, ".luasav", bufferSize-(strlen(output)+1));
+	return rv;
+}
+
+// emulua.persistglobalvariables({
+//   variable1 = defaultvalue1,
+//   variable2 = defaultvalue2,
+//   etc
+// })
+// takes a table with variable names as the keys and default values as the values,
+// and defines each of those variables names as a global variable,
+// setting them equal to the values they had the last time the script exited,
+// or (if that isn't available) setting them equal to the provided default values.
+// as a special case, if you want the default value for a variable to be nil,
+// then put the variable name alone in quotes as an entry in the table without saying "= nil".
+// this special case is because tables in lua don't store nil valued entries.
+// also, if you change the default value that will reset the variable to the new default.
+DEFINE_LUA_FUNCTION(emulua_persistglobalvariables, "variabletable")
+{
+	int uid = luaStateToUIDMap[L];
+	LuaContextInfo& info = GetCurrentInfo();
+
+	// construct a path we can load the persistent variables from
+	char path [1024] = {0};
+	char* pathTypeChrPtr = ConstructScriptSaveDataPath(path, 1024, info);
+
+	// load the previously-saved final variable values from file
+	LuaSaveData exitData;
+	{
+		*pathTypeChrPtr = 'e';
+		FILE* persistFile = fopen(path, "rb");
+		if(persistFile)
+		{
+			exitData.ImportRecords(persistFile);
+			fclose(persistFile);
+		}
+	}
+
+	// load the previously-saved default variable values from file
+	LuaSaveData defaultData;
+	{
+		*pathTypeChrPtr = 'd';
+		FILE* defaultsFile = fopen(path, "rb");
+		if(defaultsFile)
+		{
+			defaultData.ImportRecords(defaultsFile);
+			fclose(defaultsFile);
+		}
+	}
+
+	// loop through the passed-in variables,
+	// exposing a global variable to the script for each one
+	// while also keeping a record of their names
+	// so we can save them (to the persistFile) later when the script exits
+	int numTables = lua_gettop(L);
+	for(int i = 1; i <= numTables; i++)
+	{
+		luaL_checktype(L, i, LUA_TTABLE);
+
+		lua_pushnil(L); // before first key
+		int keyIndex = lua_gettop(L);
+		int valueIndex = keyIndex + 1;
+		while(lua_next(L, i))
+		{
+			int keyType = lua_type(L, keyIndex);
+			int valueType = lua_type(L, valueIndex);
+			if(keyType == LUA_TSTRING && valueType <= LUA_TTABLE && valueType != LUA_TLIGHTUSERDATA)
+			{
+				// variablename = defaultvalue,
+
+				// duplicate the key first because lua_next() needs to eat that
+				lua_pushvalue(L, keyIndex);
+				lua_insert(L, keyIndex);
+			}
+			else if(keyType == LUA_TNUMBER && valueType == LUA_TSTRING)
+			{
+				// "variablename",
+				// or [index] = "variablename",
+
+				// defaultvalue is assumed to be nil
+				lua_pushnil(L);
+			}
+			else
+			{
+				luaL_error(L, "'%s' = '%s' entries are not allowed in the table passed to emulua.persistglobalvariables()", lua_typename(L,keyType), lua_typename(L,valueType));
+			}
+
+			int varNameIndex = valueIndex;
+			int defaultIndex = valueIndex+1;
+
+			// keep track of the variable name for later
+			const char* varName = lua_tostring(L, varNameIndex);
+			info.persistVars.push_back(varName);
+			unsigned int varNameCRC = crc32(0, (const unsigned char*)varName, (int)strlen(varName));
+			info.newDefaultData.SaveRecordPartial(uid, varNameCRC, defaultIndex);
+
+			// load the previous default value for this variable if it exists.
+			// if the new default is different than the old one,
+			// assume the user wants to set the value to the new default value
+			// instead of the previously-saved exit value.
+			bool attemptPersist = true;
+			defaultData.LoadRecord(uid, varNameCRC, 1);
+			lua_pushnil(L);
+			if(luaValueContentsDiffer(L, defaultIndex, defaultIndex+1))
+				attemptPersist = false;
+			lua_settop(L, defaultIndex);
+
+			if(attemptPersist)
+			{
+				// load the previous saved value for this variable if it exists
+				exitData.LoadRecord(uid, varNameCRC, 1);
+				if(lua_gettop(L) > defaultIndex)
+					lua_remove(L, defaultIndex); // replace value with loaded record
+				lua_settop(L, defaultIndex);
+			}
+
+			// set the global variable
+			lua_settable(L, LUA_GLOBALSINDEX);
+
+			assert(lua_gettop(L) == keyIndex);
+		}
+	}
+
+	return 0;
+}
+
+static const char* deferredGUIIDString = "lazygui";
+
+// store the most recent C function call from Lua (and all its arguments)
+// for later evaluation
+void DeferFunctionCall(lua_State* L, const char* idstring)
+{
+	// there might be a cleaner way of doing this using lua_pushcclosure and lua_getref
+
+	int num = lua_gettop(L);
+
+	// get the C function pointer
+	//lua_CFunction cf = lua_tocfunction(L, -(num+1));
+	lua_CFunction cf = (L->ci->func)->value.gc->cl.c.f;
+	assert(cf);
+	lua_pushcfunction(L,cf);
+
+	// make a list of the function and its arguments (and also pop those arguments from the stack)
+	lua_createtable(L, num+1, 0);
+	lua_insert(L, 1);
+	for(int n = num+1; n > 0; n--)
+		lua_rawseti(L, 1, n);
+
+	// put the list into a global array
+	lua_getfield(L, LUA_REGISTRYINDEX, idstring);
+	lua_insert(L, 1);
+	int curSize = (int)lua_objlen(L, 1);
+	lua_rawseti(L, 1, curSize+1);
+
+	// clean the stack
+	lua_settop(L, 0);
+}
+void CallDeferredFunctions(lua_State* L, const char* idstring)
+{
+	lua_settop(L, 0);
+	lua_getfield(L, LUA_REGISTRYINDEX, idstring);
+	int numCalls = (int)lua_objlen(L, 1);
+	for(int i = 1; i <= numCalls; i++)
+	{
+        lua_rawgeti(L, 1, i);  // get the function+arguments list
+		int listSize = (int)lua_objlen(L, 2);
+
+		// push the arguments and the function
+		for(int j = 1; j <= listSize; j++)
+			lua_rawgeti(L, 2, j);
+
+		// get and pop the function
+		lua_CFunction cf = lua_tocfunction(L, -1);
+		lua_pop(L, 1);
+
+		// shift first argument to slot 1 and call the function
+		lua_remove(L, 2);
+		lua_remove(L, 1);
+		cf(L);
+
+		// prepare for next iteration
+		lua_settop(L, 0);
+		lua_getfield(L, LUA_REGISTRYINDEX, idstring);
+	}
+
+	// clear the list of deferred functions
+	lua_newtable(L);
+	lua_setfield(L, LUA_REGISTRYINDEX, idstring);
+	LuaContextInfo& info = GetCurrentInfo();
+	info.numDeferredGUIFuncs = 0;
+
+	// clean the stack
+	lua_settop(L, 0);
+}
+
+#define MAX_DEFERRED_COUNT 16384
+
+bool DeferGUIFuncIfNeeded(lua_State* L)
+{
+	LuaContextInfo& info = GetCurrentInfo();
+	if(info.speedMode == SPEEDMODE_MAXIMUM)
+	{
+		// if the mode is "maximum" then discard all GUI function calls
+		// and pretend it was because we deferred them
+		return true;
+	}
+	if(info.guiFuncsNeedDeferring)
+	{
+		if(info.numDeferredGUIFuncs < MAX_DEFERRED_COUNT)
+		{
+			// defer whatever function called this one until later
+			DeferFunctionCall(L, deferredGUIIDString);
+			info.numDeferredGUIFuncs++;
+		}
+		else
+		{
+			// too many deferred functions on the same frame
+			// silently discard the rest
+		}
+		return true;
+	}
+
+	// ok to run the function right now
+	return false;
+}
+
+void worry(lua_State* L, int intensity)
+{
+	LuaContextInfo& info = GetCurrentInfo();
+	info.worryCount += intensity;
+}
+
+static inline bool isalphaorunderscore(char c)
+{
+	return isalpha(c) || c == '_';
+}
+
+static std::vector<const void*> s_tableAddressStack; // prevents infinite recursion of a table within a table (when cycle is found, print something like table:parent)
+static std::vector<const void*> s_metacallStack; // prevents infinite recursion if something's __tostring returns another table that contains that something (when cycle is found, print the inner result without using __tostring)
+
+#define APPENDPRINT { int _n = snprintf(ptr, remaining,
+#define END ); if(_n >= 0) { ptr += _n; remaining -= _n; } else { remaining = 0; } }
+static void toCStringConverter(lua_State* L, int i, char*& ptr, int& remaining)
+{
+	if(remaining <= 0)
+		return;
+
+	const char* str = ptr; // for debugging
+
+	// if there is a __tostring metamethod then call it
+	int usedMeta = luaL_callmeta(L, i, "__tostring");
+	if(usedMeta)
+	{
+		std::vector<const void*>::const_iterator foundCycleIter = std::find(s_metacallStack.begin(), s_metacallStack.end(), lua_topointer(L,i));
+		if(foundCycleIter != s_metacallStack.end())
+		{
+			lua_pop(L, 1);
+			usedMeta = false;
+		}
+		else
+		{
+			s_metacallStack.push_back(lua_topointer(L,i));
+			i = lua_gettop(L);
+		}
+	}
+
+	switch(lua_type(L, i))
+	{
+		case LUA_TNONE: break;
+		case LUA_TNIL: APPENDPRINT "nil" END break;
+		case LUA_TBOOLEAN: APPENDPRINT lua_toboolean(L,i) ? "true" : "false" END break;
+		case LUA_TSTRING: APPENDPRINT "%s", lua_tostring(L,i) END break;
+	case LUA_TNUMBER: APPENDPRINT "%.12Lg", (long double)lua_tonumber(L,i) END break;
+		case LUA_TFUNCTION: 
+			if((L->base + i-1)->value.gc->cl.c.isC)
+			{
+				lua_CFunction func = lua_tocfunction(L, i);
+				std::map<lua_CFunction, const char*>::iterator iter = s_cFuncInfoMap.find(func);
+				if(iter == s_cFuncInfoMap.end())
+					goto defcase;
+				APPENDPRINT "function(%s)", iter->second END 
+			}
+			else
+			{
+				APPENDPRINT "function(" END 
+				Proto* p = (L->base + i-1)->value.gc->cl.l.p;
+				int numParams = p->numparams + (p->is_vararg?1:0);
+				for (int n=0; n<p->numparams; n++)
+				{
+					APPENDPRINT "%s", getstr(p->locvars[n].varname) END 
+					if(n != numParams-1)
+						APPENDPRINT "," END
+				}
+				if(p->is_vararg)
+					APPENDPRINT "..." END
+				APPENDPRINT ")" END
+			}
+			break;
+defcase:default: APPENDPRINT "%s:%p",luaL_typename(L,i),lua_topointer(L,i) END break;
+		case LUA_TTABLE:
+		{
+			// first make sure there's enough stack space
+			if(!lua_checkstack(L, 4))
+			{
+				// note that even if lua_checkstack never returns false,
+				// that doesn't mean we didn't need to call it,
+				// because calling it retrieves stack space past LUA_MINSTACK
+				goto defcase;
+			}
+
+			std::vector<const void*>::const_iterator foundCycleIter = std::find(s_tableAddressStack.begin(), s_tableAddressStack.end(), lua_topointer(L,i));
+			if(foundCycleIter != s_tableAddressStack.end())
+			{
+				if((s_tableAddressStack.end() - foundCycleIter) > 1)
+					APPENDPRINT "%s:parent^%d",luaL_typename(L,i),(s_tableAddressStack.end() - foundCycleIter) END
+				else
+					APPENDPRINT "%s:parent",luaL_typename(L,i) END
+			}
+			else
+			{
+				s_tableAddressStack.push_back(lua_topointer(L,i));
+				struct Scope { ~Scope(){ s_tableAddressStack.pop_back(); } } scope;
+
+				APPENDPRINT "{" END
+
+				lua_pushnil(L); // first key
+				int keyIndex = lua_gettop(L);
+				int valueIndex = keyIndex + 1;
+				bool first = true;
+				bool skipKey = true; // true if we're still in the "array part" of the table
+				lua_Number arrayIndex = (lua_Number)0;
+				while(lua_next(L, i))
+				{
+					if(first)
+						first = false;
+					else
+						APPENDPRINT ", " END
+					if(skipKey)
+					{
+						arrayIndex += (lua_Number)1;
+						bool keyIsNumber = (lua_type(L, keyIndex) == LUA_TNUMBER);
+						skipKey = keyIsNumber && (lua_tonumber(L, keyIndex) == arrayIndex);
+					}
+					if(!skipKey)
+					{
+						bool keyIsString = (lua_type(L, keyIndex) == LUA_TSTRING);
+						bool invalidLuaIdentifier = (!keyIsString || !isalphaorunderscore(*lua_tostring(L, keyIndex)));
+						if(invalidLuaIdentifier) {
+							if(keyIsString) 
+								APPENDPRINT "['" END
+							else
+								APPENDPRINT "[" END
+					   }
+						toCStringConverter(L, keyIndex, ptr, remaining); // key
+
+						if(invalidLuaIdentifier) {
+							if(keyIsString)
+								APPENDPRINT "']=" END
+							else
+								APPENDPRINT "]=" END
+					    } else
+							APPENDPRINT "=" END
+					}
+
+					bool valueIsString = (lua_type(L, valueIndex) == LUA_TSTRING);
+					if(valueIsString)
+						APPENDPRINT "'" END
+
+					toCStringConverter(L, valueIndex, ptr, remaining); // value
+
+					if(valueIsString)
+						APPENDPRINT "'" END
+
+					lua_pop(L, 1);
+
+					if(remaining <= 0)
+					{
+						lua_settop(L, keyIndex-1); // stack might not be clean yet if we're breaking early
+						break;
+					}
+				}
+				APPENDPRINT "}" END
+			}
+		}	break;
+	}
+
+	if(usedMeta)
+	{
+		s_metacallStack.pop_back();
+		lua_pop(L, 1);
+	}
+}
+
+static const int s_tempStrMaxLen = 64 * 1024;
+static char s_tempStr [s_tempStrMaxLen];
+
+static char* rawToCString(lua_State* L, int idx)
+{
+	int a = idx>0 ? idx : 1;
+	int n = idx>0 ? idx : lua_gettop(L);
+
+	char* ptr = s_tempStr;
+	*ptr = 0;
+
+	int remaining = s_tempStrMaxLen;
+	for(int i = a; i <= n; i++)
+	{
+		toCStringConverter(L, i, ptr, remaining);
+		if(i != n)
+			APPENDPRINT " " END
+	}
+
+	if(remaining < 3)
+	{
+		while(remaining < 6)
+			remaining++, ptr--;
+		APPENDPRINT "..." END
+	}
+	APPENDPRINT "\r\n" END
+	// the trailing newline is so print() can avoid having to do wasteful things to print its newline
+	// (string copying would be wasteful and calling info.print() twice can be extremely slow)
+	// at the cost of functions that don't want the newline needing to trim off the last two characters
+	// (which is a very fast operation and thus acceptable in this case)
+
+	return s_tempStr;
+}
+#undef APPENDPRINT
+#undef END
+
+
+// replacement for luaB_tostring() that is able to show the contents of tables (and formats numbers better, and show function prototypes)
+// can be called directly from lua via tostring(), assuming tostring hasn't been reassigned
+DEFINE_LUA_FUNCTION(tostring, "...")
+{
+	char* str = rawToCString(L);
+	str[strlen(str)-2] = 0; // hack: trim off the \r\n (which is there to simplify the print function's task)
+	lua_pushstring(L, str);
+	return 1;
+}
+
+// like rawToCString, but will check if the global Lua function tostring()
+// has been replaced with a custom function, and call that instead if so
+static const char* toCString(lua_State* L, int idx)
+{
+	int a = idx>0 ? idx : 1;
+	int n = idx>0 ? idx : lua_gettop(L);
+	lua_getglobal(L, "tostring");
+	lua_CFunction cf = lua_tocfunction(L,-1);
+	if(cf == tostring) // optimization: if using our own C tostring function, we can bypass the call through Lua and all the string object allocation that would entail
+	{
+		lua_pop(L,1);
+		return rawToCString(L, idx);
+	}
+	else // if the user overrided the tostring function, we have to actually call it and store the temporarily allocated string it returns
+	{
+		lua_pushstring(L, "");
+		for (int i=a; i<=n; i++) {
+			lua_pushvalue(L, -2);  // function to be called
+			lua_pushvalue(L, i);   // value to print
+			lua_call(L, 1, 1);
+			if(lua_tostring(L, -1) == NULL)
+				luaL_error(L, LUA_QL("tostring") " must return a string to " LUA_QL("print"));
+			lua_pushstring(L, (i<n) ? " " : "\r\n");
+			lua_concat(L, 3);
+		}
+		const char* str = lua_tostring(L, -1);
+		strncpy(s_tempStr, str, s_tempStrMaxLen);
+		s_tempStr[s_tempStrMaxLen-1] = 0;
+		lua_pop(L, 2);
+		return s_tempStr;
+	}
+}
+
+// replacement for luaB_print() that goes to the appropriate textbox instead of stdout
+DEFINE_LUA_FUNCTION(print, "...")
+{
+	const char* str = toCString(L);
+
+	int uid = luaStateToUIDMap[L];
+	LuaContextInfo& info = GetCurrentInfo();
+
+	if(info.print)
+		info.print(uid, str);
+	else
+		puts(str);
+
+	worry(L, 100);
+	return 0;
+}
+
+DEFINE_LUA_FUNCTION(emulua_message, "str")
+{
+	const char* str = toCString(L);
+	if(Core::isRunning())
+		Core::DisplayMessage(str, 2000);
+	return 0;
+}
+
+// provides an easy way to copy a table from Lua
+// (simple assignment only makes an alias, but sometimes an independent table is desired)
+// currently this function only performs a shallow copy,
+// but I think it should be changed to do a deep copy (possibly of configurable depth?)
+// that maintains the internal table reference structure
+DEFINE_LUA_FUNCTION(copytable, "origtable")
+{
+	int origIndex = 1; // we only care about the first argument
+	int origType = lua_type(L, origIndex);
+	if(origType == LUA_TNIL)
+	{
+		lua_pushnil(L);
+		return 1;
+	}
+	if(origType != LUA_TTABLE)
+	{
+		luaL_typerror(L, 1, lua_typename(L, LUA_TTABLE));
+		lua_pushnil(L);
+		return 1;
+	}
+	
+	lua_createtable(L, (int)lua_objlen(L,1), 0);
+	int copyIndex = lua_gettop(L);
+
+	lua_pushnil(L); // first key
+	int keyIndex = lua_gettop(L);
+	int valueIndex = keyIndex + 1;
+
+	while(lua_next(L, origIndex))
+	{
+		lua_pushvalue(L, keyIndex);
+		lua_pushvalue(L, valueIndex);
+		lua_rawset(L, copyIndex); // copytable[key] = value
+		lua_pop(L, 1);
+	}
+
+	// copy the reference to the metatable as well, if any
+	if(lua_getmetatable(L, origIndex))
+		lua_setmetatable(L, copyIndex);
+
+	return 1; // return the new table
+}
+
+// because print traditionally shows the address of tables,
+// and the print function I provide instead shows the contents of tables,
+// I also provide this function
+// (otherwise there would be no way to see a table's address, AFAICT)
+DEFINE_LUA_FUNCTION(addressof, "table_or_function")
+{
+	const void* ptr = lua_topointer(L,-1);
+	lua_pushinteger(L, (lua_Integer)ptr);
+	return 1;
+}
+
+DEFINE_LUA_FUNCTION(_bitand, "...[integers]")
+{
+	int rv = ~0;
+	int numArgs = lua_gettop(L);
+	for(int i = 1; i <= numArgs; i++)
+		rv &= (int)luaL_checkinteger(L,i);
+	lua_settop(L,0);
+	lua_pushinteger(L,rv);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(_bitor, "...[integers]")
+{
+	int rv = 0;
+	int numArgs = lua_gettop(L);
+	for(int i = 1; i <= numArgs; i++)
+		rv |= (int)luaL_checkinteger(L,i);
+	lua_settop(L,0);
+	lua_pushinteger(L,rv);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(bitxor, "...[integers]")
+{
+	int rv = 0;
+	int numArgs = lua_gettop(L);
+	for(int i = 1; i <= numArgs; i++)
+		rv ^= (int)luaL_checkinteger(L,i);
+	lua_settop(L,0);
+	lua_pushinteger(L,rv);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(bitshift, "num,shift")
+{
+	int num = (int)luaL_checkinteger(L,1);
+	int shift = (int)luaL_checkinteger(L,2);
+	if(shift < 0)
+		num <<= -shift;
+	else
+		num >>= shift;
+	lua_settop(L,0);
+	lua_pushinteger(L,num);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(bitbit, "whichbit")
+{
+	int rv = 0;
+	int numArgs = lua_gettop(L);
+	for(int i = 1; i <= numArgs; i++)
+		rv |= (1 << (int)luaL_checkinteger(L,i));
+	lua_settop(L,0);
+	lua_pushinteger(L,rv);
+	return 1;
+}
+
+// tells emulua to wait while the script is doing calculations
+// can call this periodically instead of emulua.frameadvance
+// note that the user can use hotkeys at this time
+// (e.g. a savestate could possibly get loaded before emulua.wait() returns)
+DEFINE_LUA_FUNCTION(emulua_wait, "")
+{
+	/*LuaContextInfo& info = GetCurrentInfo();
+
+	switch(info.speedMode)
+	{
+		default:
+		case SPEEDMODE_NORMAL:
+			Step_emulua_MainLoop(true, false);
+			break;
+		case SPEEDMODE_NOTHROTTLE:
+		case SPEEDMODE_TURBO:
+		case SPEEDMODE_MAXIMUM:
+			Step_emulua_MainLoop(Core::GetState() == Core::CORE_PAUSE, false);
+			break;
+	}*/
+
+	return 0;
+}
+
+void indicateBusy(lua_State* L, bool busy)
+{
+	// disabled because there have been complaints about this message being useless spam.
+}
+
+#define HOOKCOUNT 4096
+#define MAX_WORRY_COUNT 6000
+void LuaRescueHook(lua_State* L, lua_Debug *dbg)
+{
+	LuaContextInfo& info = GetCurrentInfo();
+
+	info.worryCount++;
+
+	if(info.stopWorrying && !info.panic)
+	{
+		if(info.worryCount > (MAX_WORRY_COUNT >> 2))
+		{
+			// the user already said they're OK with the script being frozen,
+			// but we don't trust their judgement completely,
+			// so periodically update the main loop so they have a chance to manually stop it
+			info.worryCount = 0;
+			emulua_wait(L);
+			info.stopWorrying = true;
+		}
+		return;
+	}
+
+	if(info.worryCount > MAX_WORRY_COUNT || info.panic)
+	{
+		info.worryCount = 0;
+		info.stopWorrying = false;
+
+		bool stoprunning = info.panic;
+		bool stopworrying = true;
+		/*if(!info.panic)
+		{
+			if(Core::isRunning())
+				CPluginManager::GetInstance().GetDSP()->DSP_ClearAudioBuffer();
+			stoprunning = PanicYesNo("A Lua script has been running for quite a while. Maybe it is in an infinite loop.\n\nWould you like to stop the script?\n\n(Yes to stop it now,\n No to keep running and not ask again)");
+		}*/
+
+		if(!stoprunning && stopworrying)
+		{
+			info.stopWorrying = true; // don't remove the hook because we need it still running for RequestAbortLuaScript to work
+			indicateBusy(info.L, true);
+		}
+
+		if(stoprunning)
+		{
+			//lua_sethook(L, NULL, 0, 0);
+			assert(L->errfunc || L->errorJmp);
+		}
+
+		info.panic = false;
+	}
+}
+
+void printfToOutput(const char* fmt, ...)
+{
+	va_list list;
+	va_start(list, fmt);
+	#ifdef _WIN32
+	int len = vscprintf(fmt, list);
+	#else
+	//vscprint is non-standard windows crap
+	int len = 1024;
+	#endif
+	char* str = new char[len+1];
+	vsprintf(str, fmt, list);
+	va_end(list);
+	LuaContextInfo& info = GetCurrentInfo();
+	if(info.print)
+	{
+		lua_State* L = info.L;
+		int uid = luaStateToUIDMap[L];
+		info.print(uid, str);
+		info.print(uid, "\r\n");
+		worry(L,300);
+	}
+	else
+	{
+		fprintf(stdout, "%s\n", str);
+	}
+	delete[] str;
+}
+
+// What is THAT?
+bool FailVerifyAtFrameBoundary(lua_State* L, const char* funcName, int unstartedSeverity=2, int inframeSeverity=2)
+{
+	return false;
+}
+
+// TODO
+/*
+// acts similar to normal emulation update
+// except without the user being able to activate emulator commands
+DEFINE_LUA_FUNCTION(emulua_emulateframe, "")
+{
+	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframe", 0,1))
+		return 0;
+	
+	Update_Emulation_One((HWND)Core::g_CoreStartupParameter.hMainWindow);
+	Prevent_Next_Frame_Skipping(); // so we don't skip a whole bunch of frames immediately after emulating many frames by this method
+
+	worry(L,300);
+	return 0;
+}
+
+// acts as a fast-forward emulation update that still renders every frame
+// and the user is unable to activate emulator commands during it
+DEFINE_LUA_FUNCTION(emulua_emulateframefastnoskipping, "")
+{
+	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframefastnoskipping", 0,1))
+		return 0;
+
+	Update_Emulation_One_Before((HWND)Core::g_CoreStartupParameter.hMainWindow);
+	Update_Frame_Hook();
+	Update_Emulation_After_Controlled((HWND)Core::g_CoreStartupParameter.hMainWindow, true);
+	Prevent_Next_Frame_Skipping(); // so we don't skip a whole bunch of frames immediately after a bout of fast-forward frames
+
+	worry(L,200);
+	return 0;
+}
+
+// acts as a (very) fast-forward emulation update
+// where the user is unable to activate emulator commands
+DEFINE_LUA_FUNCTION(emulua_emulateframefast, "")
+{
+	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframefast", 0,1))
+		return 0;
+
+	disableVideoLatencyCompensationCount = VideoLatencyCompensation + 1;
+
+	Update_Emulation_One_Before((HWND)Core::g_CoreStartupParameter.hMainWindow);
+
+	if(FrameCount%16 == 0) // skip rendering 15 out of 16 frames
+	{
+		// update once and render
+		Update_Frame_Hook();
+		Update_Emulation_After_Controlled((HWND)Core::g_CoreStartupParameter.hMainWindow, true);
+	}
+	else
+	{
+		// update once but skip rendering
+		Update_Frame_Fast_Hook();
+		Update_Emulation_After_Controlled((HWND)Core::g_CoreStartupParameter.hMainWindow, false);
+	}
+
+	Prevent_Next_Frame_Skipping(); // so we don't skip a whole bunch of frames immediately AFTER a bout of fast-forward frames
+
+	worry(L,150);
+	return 0;
+}
+
+// acts as an extremely-fast-forward emulation update
+// that also doesn't render any graphics or generate any sounds,
+// and the user is unable to activate emulator commands during it.
+// if you load a savestate after calling this function,
+// it should leave no trace of having been called,
+// so you can do things like generate future emulation states every frame
+// while the user continues to see and hear normal emulation
+DEFINE_LUA_FUNCTION(emulua_emulateframeinvisible, "")
+{
+	if(FailVerifyAtFrameBoundary(L, "emulua.emulateframeinvisible", 0,1))
+		return 0;
+
+	int oldDisableSound2 = disableSound2;
+	int oldDisableRamSearchUpdate = disableRamSearchUpdate;
+	disableSound2 = true;
+	disableRamSearchUpdate = true;
+
+	Update_Emulation_One_Before_Minimal();
+	Update_Frame_Fast();
+	UpdateLagCount();
+
+	disableSound2 = oldDisableSound2;
+	disableRamSearchUpdate = oldDisableRamSearchUpdate;
+
+	// disable video latency compensation for a few frames
+	// because it can get pretty slow if that's doing prediction updates every frame
+	// when the lua script is also doing prediction updates
+	disableVideoLatencyCompensationCount = VideoLatencyCompensation + 1;
+
+	worry(L,100);
+	return 0;
+}
+
+DEFINE_LUA_FUNCTION(emulua_speedmode, "mode")
+{
+	SpeedMode newSpeedMode = SPEEDMODE_NORMAL;
+	if(lua_isnumber(L,1))
+		newSpeedMode = (SpeedMode)luaL_checkinteger(L,1);
+	else
+	{
+		const char* str = luaL_checkstring(L,1);
+		if(!strcasecmp(str, "normal"))
+			newSpeedMode = SPEEDMODE_NORMAL;
+		else if(!strcasecmp(str, "nothrottle"))
+			newSpeedMode = SPEEDMODE_NOTHROTTLE;
+		else if(!strcasecmp(str, "turbo"))
+			newSpeedMode = SPEEDMODE_TURBO;
+		else if(!strcasecmp(str, "maximum"))
+			newSpeedMode = SPEEDMODE_MAXIMUM;
+	}
+
+	LuaContextInfo& info = GetCurrentInfo();
+	info.speedMode = newSpeedMode;
+	RefreshScriptSpeedStatus();
+	return 0;
+}*/
+
+
+
+DEFINE_LUA_FUNCTION(emulua_frameadvance, "")
+{
+	if(FailVerifyAtFrameBoundary(L, "emulua.frameadvance", 0,1))
+		return emulua_wait(L);
+
+	if(Core::GetState() == Core::CORE_UNINITIALIZED || Core::GetState() == Core::CORE_STOPPING)
+		return emulua_wait(L);
+
+	int uid = luaStateToUIDMap[L];
+	LuaContextInfo& info = GetCurrentInfo();
+
+	info.ranFrameAdvance = true;
+	Frame::SetFrameStepping(true);
+
+	// Should step exactly one frame
+	Core::SetState(Core::CORE_RUN);
+
+	//while(Core::GetState() != Core::CORE_PAUSE && !info.panic);
+
+	return 0;
+}
+
+
+DEFINE_LUA_FUNCTION(emulua_pause, "")
+{
+	Core::SetState(Core::CORE_PAUSE);
+	return 0;
+}
+
+DEFINE_LUA_FUNCTION(emulua_unpause, "")
+{
+	Core::SetState(Core::CORE_RUN);
+	return 0;
+}
+
+DEFINE_LUA_FUNCTION(emulua_redraw, "")
+{
+	Host_UpdateMainFrame();
+	worry(L,250);
+	return 0;
+}
+
+
+DEFINE_LUA_FUNCTION(memory_readbyte, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned char value = Memory::Read_U8(address);
-	lua_settop(L,0);
-	lua_pushinteger(L, value);
-	return 1; // we return the number of return values
-}
-DEFINE_LUA_FUNCTION(memory_readbytesigned, "address")
-{
+	unsigned char value = Memory::Read_U8(address);
+	lua_settop(L,0);
+	lua_pushinteger(L, value);
+	return 1; // we return the number of return values
+}
+DEFINE_LUA_FUNCTION(memory_readbytesigned, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	signed char value = (signed char)(Memory::Read_U8(address));
-	lua_settop(L,0);
-	lua_pushinteger(L, value);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(memory_readword, "address")
-{
+	signed char value = (signed char)(Memory::Read_U8(address));
+	lua_settop(L,0);
+	lua_pushinteger(L, value);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(memory_readword, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned short value = Memory::Read_U16(address);
-	lua_settop(L,0);
-	lua_pushinteger(L, value);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(memory_readwordsigned, "address")
-{
+	unsigned short value = Memory::Read_U16(address);
+	lua_settop(L,0);
+	lua_pushinteger(L, value);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(memory_readwordsigned, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	signed short value = (signed short)(Memory::Read_U16(address));
-	lua_settop(L,0);
-	lua_pushinteger(L, value);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(memory_readdword, "address")
-{
+	signed short value = (signed short)(Memory::Read_U16(address));
+	lua_settop(L,0);
+	lua_pushinteger(L, value);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(memory_readdword, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned long value = Memory::Read_U32(address);
-	lua_settop(L,0);
-	lua_pushinteger(L, value);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(memory_readdwordsigned, "address")
-{
+	unsigned long value = Memory::Read_U32(address);
+	lua_settop(L,0);
+	lua_pushinteger(L, value);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(memory_readdwordsigned, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	signed long value = (signed long)(Memory::Read_U32(address));
-	lua_settop(L,0);
-	lua_pushinteger(L, value);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(memory_readqword, "address")
-{
+	signed long value = (signed long)(Memory::Read_U32(address));
+	lua_settop(L,0);
+	lua_pushinteger(L, value);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(memory_readqword, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned long long value = Memory::Read_U64(address);
-	lua_settop(L,0);
-	lua_pushinteger(L, (lua_Integer)value);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(memory_readqwordsigned, "address")
-{
+	unsigned long long value = Memory::Read_U64(address);
+	lua_settop(L,0);
+	lua_pushinteger(L, (lua_Integer)value);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(memory_readqwordsigned, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	signed long long value = (signed long long)(Memory::Read_U64(address));
-	lua_settop(L,0);
-	lua_pushinteger(L, (lua_Integer)value);
-	return 1;
-}
-
-DEFINE_LUA_FUNCTION(memory_writebyte, "address,value")
-{
+	signed long long value = (signed long long)(Memory::Read_U64(address));
+	lua_settop(L,0);
+	lua_pushinteger(L, (lua_Integer)value);
+	return 1;
+}
+
+DEFINE_LUA_FUNCTION(memory_writebyte, "address,value")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned char value = (unsigned char)(luaL_checkinteger(L,2) & 0xFF);
-	Memory::Write_U8(value, address);
-	return 0;
-}
-DEFINE_LUA_FUNCTION(memory_writeword, "address,value")
-{
+	unsigned char value = (unsigned char)(luaL_checkinteger(L,2) & 0xFF);
+	Memory::Write_U8(value, address);
+	return 0;
+}
+DEFINE_LUA_FUNCTION(memory_writeword, "address,value")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned short value = (unsigned short)(luaL_checkinteger(L,2) & 0xFFFF);
-	Memory::Write_U16(value, address);
-	return 0;
-}
-DEFINE_LUA_FUNCTION(memory_writedword, "address,value")
-{
+	unsigned short value = (unsigned short)(luaL_checkinteger(L,2) & 0xFFFF);
+	Memory::Write_U16(value, address);
+	return 0;
+}
+DEFINE_LUA_FUNCTION(memory_writedword, "address,value")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned long value = (unsigned long)(luaL_checkinteger(L,2));
-	Memory::Write_U32(value, address);
-	return 0;
-}
-DEFINE_LUA_FUNCTION(memory_writeqword, "address,value")
-{
+	unsigned long value = (unsigned long)(luaL_checkinteger(L,2));
+	Memory::Write_U32(value, address);
+	return 0;
+}
+DEFINE_LUA_FUNCTION(memory_writeqword, "address,value")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	unsigned long value = (unsigned long)(luaL_checkinteger(L,2));
-	Memory::Write_U64(value, address);
-	return 0;
-}
-
-DEFINE_LUA_FUNCTION(memory_readbyterange, "address,length")
-{
+	unsigned long value = (unsigned long)(luaL_checkinteger(L,2));
+	Memory::Write_U64(value, address);
+	return 0;
+}
+
+DEFINE_LUA_FUNCTION(memory_readbyterange, "address,length")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	int length = (int)luaL_checkinteger(L,2);
-
-	if(length < 0)
-	{
-		address += length;
-		length = -length;
-	}
-
-	// push the array
-	lua_createtable(L, abs(length), 0);
-
-	// put all the values into the (1-based) array
-	for(int a = address, n = 1; n <= length; a++, n++)
-	{
-		if(Memory::IsRAMAddress(a))
-		{
-			unsigned char value = Memory::Read_U8(a);
-			lua_pushinteger(L, value);
-			lua_rawseti(L, -2, n);
-		}
-		// else leave the value nil
-	}
-
-	return 1;
-}
-
-DEFINE_LUA_FUNCTION(memory_isvalid, "address")
-{
+	int length = (int)luaL_checkinteger(L,2);
+
+	if(length < 0)
+	{
+		address += length;
+		length = -length;
+	}
+
+	// push the array
+	lua_createtable(L, abs(length), 0);
+
+	// put all the values into the (1-based) array
+	for(int a = address, n = 1; n <= length; a++, n++)
+	{
+		if(Memory::IsRAMAddress(a))
+		{
+			unsigned char value = Memory::Read_U8(a);
+			lua_pushinteger(L, value);
+			lua_rawseti(L, -2, n);
+		}
+		// else leave the value nil
+	}
+
+	return 1;
+}
+
+DEFINE_LUA_FUNCTION(memory_isvalid, "address")
+{
 	unsigned long address = (unsigned long)luaL_checknumber(L,1);
-	lua_settop(L,0);
-	lua_pushboolean(L, Memory::IsRAMAddress(address));
-	return 1;
-}
-
-struct registerPointerMap
-{
-	const char* registerName;
-	unsigned int* pointer;
-	int dataSize;
-};
-
-
-#define RPM_ENTRY(name,var) {name, (unsigned int*)&var, sizeof(var)},
-
-registerPointerMap m68kPointerMap [] = {/*
-	RPM_ENTRY("a0", main68k_context.areg[0])
-	RPM_ENTRY("a1", main68k_context.areg[1])
-	RPM_ENTRY("a2", main68k_context.areg[2])
-	RPM_ENTRY("a3", main68k_context.areg[3])
-	RPM_ENTRY("a4", main68k_context.areg[4])
-	RPM_ENTRY("a5", main68k_context.areg[5])
-	RPM_ENTRY("a6", main68k_context.areg[6])
-	RPM_ENTRY("a7", main68k_context.areg[7])
-	RPM_ENTRY("d0", main68k_context.dreg[0])
-	RPM_ENTRY("d1", main68k_context.dreg[1])
-	RPM_ENTRY("d2", main68k_context.dreg[2])
-	RPM_ENTRY("d3", main68k_context.dreg[3])
-	RPM_ENTRY("d4", main68k_context.dreg[4])
-	RPM_ENTRY("d5", main68k_context.dreg[5])
-	RPM_ENTRY("d6", main68k_context.dreg[6])
-	RPM_ENTRY("d7", main68k_context.dreg[7])
-	RPM_ENTRY("pc", main68k_context.pc)
-	RPM_ENTRY("sr", main68k_context.sr)*/
-	{}
-};
-registerPointerMap s68kPointerMap [] = {/*
-	RPM_ENTRY("a0", sub68k_context.areg[0])
-	RPM_ENTRY("a1", sub68k_context.areg[1])
-	RPM_ENTRY("a2", sub68k_context.areg[2])
-	RPM_ENTRY("a3", sub68k_context.areg[3])
-	RPM_ENTRY("a4", sub68k_context.areg[4])
-	RPM_ENTRY("a5", sub68k_context.areg[5])
-	RPM_ENTRY("a6", sub68k_context.areg[6])
-	RPM_ENTRY("a7", sub68k_context.areg[7])
-	RPM_ENTRY("d0", sub68k_context.dreg[0])
-	RPM_ENTRY("d1", sub68k_context.dreg[1])
-	RPM_ENTRY("d2", sub68k_context.dreg[2])
-	RPM_ENTRY("d3", sub68k_context.dreg[3])
-	RPM_ENTRY("d4", sub68k_context.dreg[4])
-	RPM_ENTRY("d5", sub68k_context.dreg[5])
-	RPM_ENTRY("d6", sub68k_context.dreg[6])
-	RPM_ENTRY("d7", sub68k_context.dreg[7])
-	RPM_ENTRY("pc", sub68k_context.pc)
-	RPM_ENTRY("sr", sub68k_context.sr)*/
-	{}
-};
-
-struct cpuToRegisterMap
-{
-	const char* cpuName;
-	registerPointerMap* rpmap;
-}
-cpuToRegisterMaps [] =
-{
-	{"m68k.", m68kPointerMap},
-	{"main.", m68kPointerMap},
-	{"s68k.", s68kPointerMap},
-	{"sub.",  s68kPointerMap},
-	{"", m68kPointerMap},
-};
-
-
-DEFINE_LUA_FUNCTION(memory_getregister, "cpu_dot_registername_string")
-{
-	const char* qualifiedRegisterName = luaL_checkstring(L,1);
-	lua_settop(L,0);
-	for(int cpu = 0; cpu < sizeof(cpuToRegisterMaps)/sizeof(*cpuToRegisterMaps); cpu++)
-	{
-		cpuToRegisterMap ctrm = cpuToRegisterMaps[cpu];
-		int cpuNameLen = (int)strlen(ctrm.cpuName);
-		if(!strncasecmp(qualifiedRegisterName, ctrm.cpuName, cpuNameLen))
-		{
-			qualifiedRegisterName += cpuNameLen;
-			for(int reg = 0; ctrm.rpmap[reg].dataSize; reg++)
-			{
-				registerPointerMap rpm = ctrm.rpmap[reg];
-				if(!strcasecmp(qualifiedRegisterName, rpm.registerName))
-				{
-					switch(rpm.dataSize)
-					{ default:
-					case 1: lua_pushinteger(L, *(unsigned char*)rpm.pointer); break;
-					case 2: lua_pushinteger(L, *(unsigned short*)rpm.pointer); break;
-					case 4: lua_pushinteger(L, *(unsigned long*)rpm.pointer); break;
-					}
-					return 1;
-				}
-			}
-			lua_pushnil(L);
-			return 1;
-		}
-	}
-	lua_pushnil(L);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(memory_setregister, "cpu_dot_registername_string,value")
-{
-	const char* qualifiedRegisterName = luaL_checkstring(L,1);
-	unsigned long value = (unsigned long)(luaL_checkinteger(L,2));
-	lua_settop(L,0);
-	for(int cpu = 0; cpu < sizeof(cpuToRegisterMaps)/sizeof(*cpuToRegisterMaps); cpu++)
-	{
-		cpuToRegisterMap ctrm = cpuToRegisterMaps[cpu];
-		int cpuNameLen = (int)strlen(ctrm.cpuName);
-		if(!strncasecmp(qualifiedRegisterName, ctrm.cpuName, cpuNameLen))
-		{
-			qualifiedRegisterName += cpuNameLen;
-			for(int reg = 0; ctrm.rpmap[reg].dataSize; reg++)
-			{
-				registerPointerMap rpm = ctrm.rpmap[reg];
-				if(!strcasecmp(qualifiedRegisterName, rpm.registerName))
-				{
-					switch(rpm.dataSize)
-					{ default:
-					case 1: *(unsigned char*)rpm.pointer = (unsigned char)(value & 0xFF); break;
-					case 2: *(unsigned short*)rpm.pointer = (unsigned short)(value & 0xFFFF); break;
-					case 4: *(unsigned long*)rpm.pointer = value; break;
-					}
-					return 0;
-				}
-			}
-			return 0;
-		}
-	}
-	return 0;
-}
-
-// Creates a savestate object
-DEFINE_LUA_FUNCTION(state_create, "[location]")
-{
-	if(lua_isnumber(L,1))
-	{
-		// simply return the integer that got passed in
-		// (that's as good a savestate object as any for a numbered savestate slot)
-		lua_settop(L,1);
-		return 1;
-	}
-
-	size_t len = State_GetSize();
-
-	// allocate the in-memory/anonymous savestate
-	unsigned char* stateBuffer = (unsigned char*)lua_newuserdata(L, len + 16); // 16 is for performance alignment reasons
-	stateBuffer[0] = 0;
-
-	return 1;
-}
-
-// savestate.save(location [, option])
-// saves the current emulation state to the given location
-// you can pass in either a savestate file number (an integer),
-// OR you can pass in a savestate object that was returned by savestate.create()
-// if option is "quiet" then any warning messages will be suppressed
-// if option is "scriptdataonly" then the state will not actually be saved, but any save callbacks will still get called and their results will be saved (see savestate.registerload()/savestate.registersave())
-DEFINE_LUA_FUNCTION(state_save, "location[,option]")
-{
-	const char* option = (lua_type(L,2) == LUA_TSTRING) ? lua_tostring(L,2) : NULL;
-	if(option)
-	{
-		if(!strcasecmp(option, "quiet")) // I'm not sure if saving can generate warning messages, but we might as well support suppressing them should they turn out to exist
-			g_disableStatestateWarnings = true;
-		else if(!strcasecmp(option, "scriptdataonly"))
-			g_onlyCallSavestateCallbacks = true;
-	}
-	struct Scope { ~Scope(){ g_disableStatestateWarnings = false; g_onlyCallSavestateCallbacks = false; } } scope; // needs to run even if the following code throws an exception... maybe I should have put this in a "finally" block instead, but this project seems to have something against using the "try" statement
-
-	if(!g_onlyCallSavestateCallbacks && FailVerifyAtFrameBoundary(L, "savestate.save", 2,2))
-		return 0;
-
-	int type = lua_type(L,1);
-	switch(type)
-	{
-		case LUA_TNUMBER: // numbered save file
-		default:
-		{
-			State_Save((int)luaL_checkinteger(L,1));
-			return 0;
-		}	
-
-		case LUA_TUSERDATA: // in-memory save slot
-		{
-			unsigned char* stateBuffer = (unsigned char*)lua_touserdata(L,1);
-			if(stateBuffer)
-			{
-				stateBuffer += ((16 - (u64)stateBuffer) & 15); // for performance alignment reasons
-				State_SaveToBuffer(&stateBuffer);
-			}
-			return 0;
-		}	
-	}
-}
-
-// savestate.load(location [, option])
-// loads the current emulation state from the given location
-// you can pass in either a savestate file number (an integer),
-// OR you can pass in a savestate object that was returned by savestate.create() and has already saved to with savestate.save()
-// if option is "quiet" then any warning messages will be suppressed
-// if option is "scriptdataonly" then the state will not actually be loaded, but load callbacks will still get called and supplied with the data saved by save callbacks (see savestate.registerload()/savestate.registersave())
-DEFINE_LUA_FUNCTION(state_load, "location[,option]")
-{
-	const char* option = (lua_type(L,2) == LUA_TSTRING) ? lua_tostring(L,2) : NULL;
-	if(option)
-	{
-		if(!strcasecmp(option, "quiet"))
-			g_disableStatestateWarnings = true;
-		else if(!strcasecmp(option, "scriptdataonly"))
-			g_onlyCallSavestateCallbacks = true;
-	}
-	struct Scope { ~Scope(){ g_disableStatestateWarnings = false; g_onlyCallSavestateCallbacks = false; } } scope; // needs to run even if the following code throws an exception... maybe I should have put this in a "finally" block instead, but this project seems to have something against using the "try" statement
-
-	if(!g_onlyCallSavestateCallbacks && FailVerifyAtFrameBoundary(L, "savestate.load", 2,2))
-		return 0;
-
-	g_disableStatestateWarnings = lua_toboolean(L,2) != 0;
-
-	int type = lua_type(L,1);
-	switch(type)
-	{
-		case LUA_TNUMBER: // numbered save file
-		default:
-		{
-			LuaContextInfo& info = GetCurrentInfo();
-			if(info.rerecordCountingDisabled)
-				SkipNextRerecordIncrement = true;
-			State_Load((int)luaL_checkinteger(L,1));
-		
-			return 0;
-		}
-
-		case LUA_TUSERDATA: // in-memory save slot
-		{
-			unsigned char* stateBuffer = (unsigned char*)lua_touserdata(L,1);
-			if(stateBuffer)
-			{
-				stateBuffer += ((16 - (u64)stateBuffer) & 15); // for performance alignment reasons
-				if(stateBuffer[0])
-					State_LoadFromBuffer(&stateBuffer);
-				else // the first byte of a valid savestate is never 0
-					luaL_error(L, "attempted to load an anonymous savestate before saving it");
-			}
-			return 0;
-		}	
-	}
-}
-
-// savestate.loadscriptdata(location)
-// returns the user data associated with the given savestate
-// without actually loading the rest of that savestate or calling any callbacks.
-// you can pass in either a savestate file number (an integer),
-// OR you can pass in a savestate object that was returned by savestate.create()
-// but note that currently only non-anonymous savestates can have associated scriptdata
-//
-// also note that this returns the same values
-// that would be passed into a registered load function.
-// the main reason this exists also is so you can register a load function that
-// chooses whether or not to load the scriptdata instead of always loading it,
-// and also to provide a nicer interface for loading scriptdata
-// without needing to trigger savestate loading first
-DEFINE_LUA_FUNCTION(state_loadscriptdata, "location")
-{
-	int type = lua_type(L,1);
-	switch(type)
-	{
-		case LUA_TNUMBER: // numbered save file
-		default:
-		{
-			// TODO
-			int stateNumber = (int)luaL_checkinteger(L,1);
-			//Set_Current_State(stateNumber, false,false);
-			char Name [1024] = {0};
-			//Get_State_File_Name(Name); 
-			{
-				LuaSaveData saveData;
-
-				char luaSaveFilename [512];
-				strncpy(luaSaveFilename, Name, 512);
-				luaSaveFilename[512-(1+7)] = '\0';
-				strcat(luaSaveFilename, ".luasav");
-				FILE* luaSaveFile = fopen(luaSaveFilename, "rb");
-				if(luaSaveFile)
-				{
-					saveData.ImportRecords(luaSaveFile);
-					fclose(luaSaveFile);
-
-					int uid = luaStateToUIDMap[L];
-					LuaContextInfo& info = GetCurrentInfo();
-
-					lua_settop(L, 0);
-					saveData.LoadRecord(uid, info.dataLoadKey, (unsigned int)-1);
-					return lua_gettop(L);
-				}
-			}
-		}	return 0;
-		case LUA_TUSERDATA: // in-memory save slot
-		{	// there can be no user data associated with those, at least not yet
-		}	return 0;
-	}
-}
-
-// savestate.savescriptdata(location)
-// same as savestate.save(location, "scriptdataonly")
-// only provided for consistency with savestate.loadscriptdata(location)
-DEFINE_LUA_FUNCTION(state_savescriptdata, "location")
-{
-	lua_settop(L, 1);
-	lua_pushstring(L, "scriptdataonly");
-	return state_save(L);
-}
-
-
-// TODO: Convert to Dolphin?
-/*
-static const struct ButtonDesc
-{
-	unsigned short controllerNum;
-	unsigned short bit;
-	const char* name;
-}
-s_buttonDescs [] =
-{
-	{1, 0, "up"},
-	{1, 1, "down"},
-	{1, 2, "left"},
-	{1, 3, "right"},
-	{1, 4, "A"},
-	{1, 5, "B"},
-	{1, 6, "C"},
-	{1, 7, "start"},
-	{1, 32, "X"},
-	{1, 33, "Y"},
-	{1, 34, "Z"},
-	{1, 35, "mode"},
-	{2, 24, "up"},
-	{2, 25, "down"},
-	{2, 26, "left"},
-	{2, 27, "right"},
-	{2, 28, "A"},
-	{2, 29, "B"},
-	{2, 30, "C"},
-	{2, 31, "start"},
-	{2, 36, "X"},
-	{2, 37, "Y"},
-	{2, 38, "Z"},
-	{2, 39, "mode"},
-	{0x1B, 8, "up"},
-	{0x1B, 9, "down"},
-	{0x1B, 10, "left"},
-	{0x1B, 11, "right"},
-	{0x1B, 12, "A"},
-	{0x1B, 13, "B"},
-	{0x1B, 14, "C"},
-	{0x1B, 15, "start"},
-	{0x1C, 16, "up"},
-	{0x1C, 17, "down"},
-	{0x1C, 18, "left"},
-	{0x1C, 19, "right"},
-	{0x1C, 20, "A"},
-	{0x1C, 21, "B"},
-	{0x1C, 22, "C"},
-	{0x1C, 23, "start"},
-};
-
-int joy_getArgControllerNum(lua_State* L, int& index)
-{
-	int controllerNumber;
-	int type = lua_type(L,index);
-	if(type == LUA_TSTRING || type == LUA_TNUMBER)
-	{
-		controllerNumber = 0;
-		if(type == LUA_TSTRING)
-		{
-			const char* str = lua_tostring(L,index);
-			if(!strcasecmp(str, "1C"))
-				controllerNumber = 0x1C;
-			else if(!strcasecmp(str, "1B"))
-				controllerNumber = 0x1B;
-			else if(!strcasecmp(str, "1A"))
-				controllerNumber = 0x1A;
-		}
-		if(!controllerNumber)
-			controllerNumber = (int)luaL_checkinteger(L,index);
-		index++;
-	}
-	else
-	{
-		// argument omitted; default to controller 1
-		controllerNumber = 1;
-	}
-
-	if(controllerNumber == 0x1A)
-		controllerNumber = 1;
-	if(controllerNumber != 1 && controllerNumber != 2 && controllerNumber != 0x1B && controllerNumber != 0x1C)
-		luaL_error(L, "controller number must be 1, 2, '1B', or '1C'");
-
-	return controllerNumber;
-}
-
-
-// joypad.set(controllerNum = 1, inputTable)
-// controllerNum can be 1, 2, '1B', or '1C'
-DEFINE_LUA_FUNCTION(joy_set, "[controller=1,]inputtable")
-{
-	int index = 1;
-	int controllerNumber = joy_getArgControllerNum(L, index);
-
-	luaL_checktype(L, index, LUA_TTABLE);
-
-	int input = ~0;
-	int mask = 0;
-
-	for(int i = 0; i < sizeof(s_buttonDescs)/sizeof(*s_buttonDescs); i++)
-	{
-		const ButtonDesc& bd = s_buttonDescs[i];
-		if(bd.controllerNum == controllerNumber)
-		{
-			lua_getfield(L, index, bd.name);
-			if (!lua_isnil(L,-1))
-			{
-				bool pressed = lua_toboolean(L,-1) != 0;
-				int bitmask = ((long long)1 << bd.bit);
-				if(pressed)
-					input &= ~bitmask;
-				else
-					input |= bitmask;
-				mask |= bitmask;
-			}
-			lua_pop(L,1);
-		}
-	}
-
-	SetNextInputCondensed(input, mask);
-
-	return 0;
-}
-
-// joypad.get(controllerNum = 1)
-// controllerNum can be 1, 2, '1B', or '1C'
-int joy_get_internal(lua_State* L, bool reportUp, bool reportDown)
-{
-	int index = 1;
-	int controllerNumber = joy_getArgControllerNum(L, index);
-
-	lua_newtable(L);
-
-	long long input = GetCurrentInputCondensed();
-
-	for(int i = 0; i < sizeof(s_buttonDescs)/sizeof(*s_buttonDescs); i++)
-	{
-		const ButtonDesc& bd = s_buttonDescs[i];
-		if(bd.controllerNum == controllerNumber)
-		{
-			bool pressed = (input & ((long long)1<<bd.bit)) == 0;
-			if((pressed && reportDown) || (!pressed && reportUp))
-			{
-				lua_pushboolean(L, pressed);
-				lua_setfield(L, -2, bd.name);
-			}
-		}
-	}
-
-	return 1;
-}
-// joypad.get(int controllerNumber = 1)
-// returns a table of every game button,
-// true meaning currently-held and false meaning not-currently-held
-// this WILL read input from a currently-playing movie
-DEFINE_LUA_FUNCTION(joy_get, "[controller=1]")
-{
-	return joy_get_internal(L, true, true);
-}
-// joypad.getdown(int controllerNumber = 1)
-// returns a table of every game button that is currently held
-DEFINE_LUA_FUNCTION(joy_getdown, "[controller=1]")
-{
-	return joy_get_internal(L, false, true);
-}
-// joypad.getup(int controllerNumber = 1)
-// returns a table of every game button that is not currently held
-DEFINE_LUA_FUNCTION(joy_getup, "[controller=1]")
-{
-	return joy_get_internal(L, true, false);
-}
-
-// joypad.peek(controllerNum = 1)
-// controllerNum can be 1, 2, '1B', or '1C'
-int joy_peek_internal(lua_State* L, bool reportUp, bool reportDown)
-{
-	int index = 1;
-	int controllerNumber = joy_getArgControllerNum(L, index);
-
-	lua_newtable(L);
-
-	long long input = PeekInputCondensed();
-
-	for(int i = 0; i < sizeof(s_buttonDescs)/sizeof(*s_buttonDescs); i++)
-	{
-		const ButtonDesc& bd = s_buttonDescs[i];
-		if(bd.controllerNum == controllerNumber)
-		{
-			bool pressed = (input & ((long long)1<<bd.bit)) == 0;
-			if((pressed && reportDown) || (!pressed && reportUp))
-			{
-				lua_pushboolean(L, pressed);
-				lua_setfield(L, -2, bd.name);
-			}
-		}
-	}
-
-	return 1;
-}
-
-// joypad.peek(int controllerNumber = 1)
-// returns a table of every game button,
-// true meaning currently-held and false meaning not-currently-held
-// peek checks which joypad buttons are physically pressed, so it will NOT read input from a playing movie, it CAN read mid-frame input, and it will NOT pay attention to stuff like autofire or autohold or disabled L+R/U+D
-DEFINE_LUA_FUNCTION(joy_peek, "[controller=1]")
-{
-	return joy_peek_internal(L, true, true);
-}
-// joypad.peekdown(int controllerNumber = 1)
-// returns a table of every game button that is currently held (according to what joypad.peek() would return)
-DEFINE_LUA_FUNCTION(joy_peekdown, "[controller=1]")
-{
-	return joy_peek_internal(L, false, true);
-}
-// joypad.peekup(int controllerNumber = 1)
-// returns a table of every game button that is not currently held (according to what joypad.peek() would return)
-DEFINE_LUA_FUNCTION(joy_peekup, "[controller=1]")
-{
-	return joy_peek_internal(L, true, false);
-}
-*/
-
-static const struct ColorMapping
-{
-	const char* name;
-	int value;
-}
-s_colorMapping [] =
-{
-	{"white",     0xFFFFFFFF},
-	{"black",     0x000000FF},
-	{"clear",     0x00000000},
-	{"gray",      0x7F7F7FFF},
-	{"grey",      0x7F7F7FFF},
-	{"red",       0xFF0000FF},
-	{"orange",    0xFF7F00FF},
-	{"yellow",    0xFFFF00FF},
-	{"chartreuse",0x7FFF00FF},
-	{"green",     0x00FF00FF},
-	{"teal",      0x00FF7FFF},
-	{"cyan" ,     0x00FFFFFF},
-	{"blue",      0x0000FFFF},
-	{"purple",    0x7F00FFFF},
-	{"magenta",   0xFF00FFFF},
-};
-
-inline int getcolor_unmodified(lua_State *L, int idx, int defaultColor)
-{
-	int type = lua_type(L,idx);
-	switch(type)
-	{
-		case LUA_TNUMBER:
-		{
-			return (int)lua_tointeger(L,idx);
-		}	break;
-		case LUA_TSTRING:
-		{
-			const char* str = lua_tostring(L,idx);
-			if(*str == '#')
-			{
-				int color;
-				sscanf(str+1, "%X", &color);
-				int len = (int)strlen(str+1);
-				int missing = max(0, 8-len);
-				color <<= missing << 2;
-				if(missing >= 2) color |= 0xFF;
-				return color;
-			}
-			else for(int i = 0; i<sizeof(s_colorMapping)/sizeof(*s_colorMapping); i++)
-			{
-				if(!strcasecmp(str,s_colorMapping[i].name))
-					return s_colorMapping[i].value;
-			}
-			if(!strncasecmp(str, "rand", 4))
-				return ((rand()*255/RAND_MAX) << 8) | ((rand()*255/RAND_MAX) << 16) | ((rand()*255/RAND_MAX) << 24) | 0xFF;
-		}	break;
-		case LUA_TTABLE:
-		{
-			int color = 0xFF;
-			lua_pushnil(L); // first key
-			int keyIndex = lua_gettop(L);
-			int valueIndex = keyIndex + 1;
-			bool first = true;
-			while(lua_next(L, idx))
-			{
-				bool keyIsString = (lua_type(L, keyIndex) == LUA_TSTRING);
-				bool keyIsNumber = (lua_type(L, keyIndex) == LUA_TNUMBER);
-				int key = keyIsString ? tolower(*lua_tostring(L, keyIndex)) : (keyIsNumber ? (int)lua_tointeger(L, keyIndex) : 0);
-				int value = (int)lua_tointeger(L, valueIndex);
-				if(value < 0) value = 0;
-				if(value > 255) value = 255;
-				switch(key)
-				{
-				case 1: case 'r': color |= value << 24; break;
-				case 2: case 'g': color |= value << 16; break;
-				case 3: case 'b': color |= value << 8; break;
-				case 4: case 'a': color = (color & ~0xFF) | value; break;
-				}
-				lua_pop(L, 1);
-			}
-			return color;
-		}	break;
-		case LUA_TFUNCTION:
-			return 0;
-	}
-	return defaultColor;
-}
-int getcolor(lua_State *L, int idx, int defaultColor)
-{
-	int color = getcolor_unmodified(L, idx, defaultColor);
-	LuaContextInfo& info = GetCurrentInfo();
-	if(info.transparencyModifier != 255)
-	{
-		int alpha = (((color & 0xFF) * info.transparencyModifier) / 255);
-		if(alpha > 255) alpha = 255;
-		color = (color & ~0xFF) | alpha;
-	}
-	return color;
-}
-
-// r,g,b,a = gui.parsecolor(color)
-// examples:
-// local r,g,b = gui.parsecolor("green")
-// local r,g,b,a = gui.parsecolor(0x7F3FFF7F)
-DEFINE_LUA_FUNCTION(gui_parsecolor, "color")
-{
-	int color = getcolor_unmodified(L, 1, 0);
-	int r = (color & 0xFF000000) >> 24;
-	int g = (color & 0x00FF0000) >> 16;
-	int b = (color & 0x0000FF00) >> 8;
-	int a = (color & 0x000000FF);
-	lua_pushinteger(L, r);
-	lua_pushinteger(L, g);
-	lua_pushinteger(L, b);
-	lua_pushinteger(L, a);
-	return 4;
-}
-
-//TODO
-/*
-DEFINE_LUA_FUNCTION(gui_text, "x,y,str[,color=\"white\"[,outline=\"black\"]]")
-{
-	if(DeferGUIFuncIfNeeded(L))
-		return 0; // we have to wait until later to call this function because emulua hasn't emulated the next frame yet
-		          // (the only way to avoid this deferring is to be in a gui.register or emulua.registerafter callback)
-
-	int x = (int)luaL_checkinteger(L,1) & 0xFFFF;
-	int y = (int)luaL_checkinteger(L,2) & 0xFFFF;
-	const char* str = toCString(L,3); // better than using luaL_checkstring here (more permissive)
-	
-	if(str && *str)
-	{
-		int foreColor = getcolor(L,4,0xFFFFFFFF);
-		int backColor = getcolor(L,5,0x000000FF);
-		PutText2(str, x, y, foreColor, backColor);
-	}
-
-	return 0;
-}
-
-static inline void ApplyShaderToPixel(int off, std::map<int,int>& cachedShaderResults, lua_State* L, int idx)
-{
-	int color;
-	if (Bits32)
-		color = MD_Screen32[off];
-	else
-		color = DrawUtil::Pix16To32(MD_Screen[off]);
-
-	int result;
-	std::map<int,int>::const_iterator found = cachedShaderResults.find(color);
-	if(found != cachedShaderResults.end())
-	{
-		result = found->second;
-	}
-	else
-	{
-		int b = (color & 0x000000FF);
-		int g = (color & 0x0000FF00) >> 8;
-		int r = (color & 0x00FF0000) >> 16;
-
-		lua_pushvalue(L, idx);
-		lua_pushinteger(L, r);
-		lua_pushinteger(L, g);
-		lua_pushinteger(L, b);
-
-		lua_call(L, 3, 3);
-
-		int rout = (int)lua_tointeger(L, -3);
-		int gout = (int)lua_tointeger(L, -2);
-		int bout = (int)lua_tointeger(L, -1);
-		lua_pop(L,3);
-		if(rout < 0) rout = 0; if(rout > 255) rout = 255;
-		if(gout < 0) gout = 0; if(gout > 255) gout = 255;
-		if(bout < 0) bout = 0; if(bout > 255) bout = 255;
-
-		result = DrawUtil::Make32(rout,gout,bout);
-		cachedShaderResults[color] = result;
-	}
-	if (Bits32) 
-		MD_Screen32[off] = result;
-	else
-		MD_Screen[off] = DrawUtil::Pix32To16(result);
-}
-
-#define SWAP_INTEGERS(x,y) x^=y, y^=x, x^=y
-
-// performance note: for me, this function is extremely slow in debug builds,
-// but when compiled with full optimizations turned on it becomes very fast.
-void ApplyShaderToBox(int x1, int y1, int x2, int y2, lua_State* L, int idx)
-{
-	if((x1 < 0 && x2 < 0) || (x1 > 319 && x2 > 319) || (y1 < 0 && y2 < 0) || (y1 > 223 && y2 > 223))
-		return;
-
-	// require x1,y1 <= x2,y2
-	if (x1 > x2) SWAP_INTEGERS(x1,x2);
-	if (y1 > y2) SWAP_INTEGERS(y1,y2);
-
-	// avoid trying to draw any offscreen pixels
-	if (x1 < 0)  x1 = 0;
-	if (x1 > 319) x1 = 319;
-	if (x2 < 0)  x2 = 0;
-	if (x2 > 319) x2 = 319;
-	if (y1 < 0)  y1 = 0;
-	if (y1 > 223) y1 = 223;
-	if (y2 < 0)  y2 = 0;
-	if (y2 > 223) y2 = 223;
-
-	std::map<int,int> cachedShaderResults;
-
-	for(short y = y1; y <= y2; y++)
-	{
-		int off = (y * 336) + x1 + 8;
-		for(short x = x1; x <= x2; x++, off++)
-		{
-			ApplyShaderToPixel(off, cachedShaderResults, L, idx);
-		}
-	}
-}
-
-void ApplyShaderToBoxOutline(int x1, int y1, int x2, int y2, lua_State* L, int idx)
-{
-	// require x1,y1 <= x2,y2
-	if (x1 > x2) SWAP_INTEGERS(x1,x2);
-	if (y1 > y2) SWAP_INTEGERS(y1,y2);
-
-	// avoid trying to draw any offscreen pixels
-	if (x1 < -1)  x1 = -1;
-	if (x1 > 320) x1 = 320;
-	if (x2 < -1)  x2 = -1;
-	if (x2 > 320) x2 = 320;
-	if (y1 < -1)  y1 = -1;
-	if (y1 > 224) y1 = 224;
-	if (y2 < -1)  y2 = -1;
-	if (y2 > 224) y2 = 224;
-
-	std::map<int,int> cachedShaderResults;
-
-	if(y1 >= 0 && y1 < 224)
-		for (short x = x1+1; x < x2; x++)
-			ApplyShaderToPixel((y1 * 336) + x + 8, cachedShaderResults, L, idx);
-	if(x1 >= 0 && x1 < 320)
-		for (short y = y1; y <= y2; y++)
-			ApplyShaderToPixel((y * 336) + x1 + 8, cachedShaderResults, L, idx);
-	if(y1 != y2 && y2 >= 0 && y2 < 224)
-		for (short x = x1+1; x < x2; x++)
-			ApplyShaderToPixel((y2 * 336) + x + 8, cachedShaderResults, L, idx);
-	if(x1 != x2 && x2 >= 0 && x2 < 320)
-		for (short y = y1; y <= y2; y++)
-			ApplyShaderToPixel((y * 336) + x2 + 8, cachedShaderResults, L, idx);
-}
-
-int amplifyShader(lua_State* L)
-{
-	int rin = (int)lua_tointeger(L, 1);
-	int gin = (int)lua_tointeger(L, 2);
-	int bin = (int)lua_tointeger(L, 3);
-	lua_pushvalue(L, lua_upvalueindex(1));
-	lua_insert(L, 1);
-	lua_call(L, 3, 3);
-	int rout = (int)lua_tointeger(L, 1);
-	int gout = (int)lua_tointeger(L, 2);
-	int bout = (int)lua_tointeger(L, 3);
-	lua_settop(L, 0);
-	lua_pushinteger(L, rout*4 - rin*3);
-	lua_pushinteger(L, gout*4 - gin*3);
-	lua_pushinteger(L, bout*4 - bin*3);
-	return 3;
-}
-
-DEFINE_LUA_FUNCTION(gui_box, "x1,y1,x2,y2[,fill[,outline]]")
-{
-	if(DeferGUIFuncIfNeeded(L))
-		return 0;
-
-	int x1 = (int)luaL_checkinteger(L,1); // & 0xFFFF removed because it was turning -1 into 65535 which screwed up the out-of-bounds checking in ApplyShaderToBox
-	int y1 = (int)luaL_checkinteger(L,2);
-	int x2 = (int)luaL_checkinteger(L,3);
-	int y2 = (int)luaL_checkinteger(L,4);
-	int fillcolor = getcolor(L,5,0xFFFFFF3F);
-	int outlinecolor = getcolor(L,6,fillcolor|0xFF);
-	if(!lua_isfunction(L,5) || !lua_isnoneornil(L,6))
-	{
-		DrawBoxPP2(x1, y1, x2, y2, fillcolor, outlinecolor);
-		if(lua_isfunction(L,5))
-			ApplyShaderToBox(x1+1,y1+1,x2-1,y2-1, L,5);
-		if(lua_isfunction(L,6))
-			ApplyShaderToBoxOutline(x1,y1,x2,y2, L,6);
-	}
-	else // fill is a shader and outline is not specified, so make the outline a more "opaque" version of the shader to match up with the default color behavior
-	{
-		ApplyShaderToBox(x1+1,y1+1,x2-1,y2-1, L,5);
-		lua_settop(L, 5);
-		lua_pushvalue(L, 5);
-		lua_pushcclosure(L, amplifyShader, 1);
-		ApplyShaderToBoxOutline(x1,y1,x2,y2, L,6);
-	}
-
-	return 0;
-}
-// gui.setpixel(x,y,color)
-// color can be a RGB web color like '#ff7030', or with alpha RGBA like '#ff703060'
-//   or it can be an RGBA hex number like 0xFF703060
-//   or it can be a preset color like 'red', 'orange', 'blue', 'white', etc.
-DEFINE_LUA_FUNCTION(gui_pixel, "x,y[,color=\"white\"]")
-{
-	if(DeferGUIFuncIfNeeded(L))
-		return 0;
-
-	int x = (int)luaL_checkinteger(L,1) & 0xFFFF;
-	int y = (int)luaL_checkinteger(L,2) & 0xFFFF;
-	int color = getcolor(L,3,0xFFFFFFFF);
-	int color32 = color>>8;
-	int color16 = DrawUtil::Pix32To16(color32);
-	int Opac = color & 0xFF;
-
-	if(Opac)
-		Pixel(x, y, color32, color16, 0, Opac);
-
-	return 0;
-}
-// r,g,b = gui.getpixel(x,y)
-DEFINE_LUA_FUNCTION(gui_getpixel, "x,y")
-{
-	int x = (int)luaL_checkinteger(L,1);
-	int y = (int)luaL_checkinteger(L,2);
-
-	int xres = ((VDP_Reg.Set4 & 0x1) || Debug || !Game || !FrameCount) ? 320 : 256;
-	int yres = ((VDP_Reg.Set2 & 0x8) && !(Debug || !Game || !FrameCount)) ? 240 : 224;
-
-	x = max(0,min(xres,x));
-	y = max(0,min(yres,y));
-
-	int off = (y * 336) + x + 8;
-
-	int color;
-	if (Bits32)
-		color = MD_Screen32[off];
-	else
-		color = DrawUtil::Pix16To32(MD_Screen[off]);
-
-	int b = (color & 0x000000FF);
-	int g = (color & 0x0000FF00) >> 8;
-	int r = (color & 0x00FF0000) >> 16;
-
-	lua_pushinteger(L, r);
-	lua_pushinteger(L, g);
-	lua_pushinteger(L, b);
-
-	return 3;
-}
-DEFINE_LUA_FUNCTION(gui_line, "x1,y1,x2,y2[,color=\"white\"[,skipfirst=false]]")
-{
-	if(DeferGUIFuncIfNeeded(L))
-		return 0;
-
-	int x1 = (int)luaL_checkinteger(L,1) & 0xFFFF;
-	int y1 = (int)luaL_checkinteger(L,2) & 0xFFFF;
-	int x2 = (int)luaL_checkinteger(L,3) & 0xFFFF;
-	int y2 = (int)luaL_checkinteger(L,4) & 0xFFFF;
-	int color = getcolor(L,5,0xFFFFFFFF);
-	int color32 = color>>8;
-	int color16 = DrawUtil::Pix32To16(color32);
-	int Opac = color & 0xFF;
-
-	if(Opac)
-	{
-		int skipFirst = lua_toboolean(L,6);
-		DrawLine(x1, y1, x2, y2, color32, color16, 0, Opac, skipFirst);
-	}
-
-	return 0;
-}
-
-// gui.opacity(number alphaValue)
-// sets the transparency of subsequent draw calls
-// 0.0 is completely transparent, 1.0 is completely opaque
-// non-integer values are supported and meaningful, as are values greater than 1.0
-// it is not necessary to use this function to get transparency (or the less-recommended gui.transparency() either),
-// because you can provide an alpha value in the color argument of each draw call.
-// however, it can be convenient to be able to globally modify the drawing transparency
-DEFINE_LUA_FUNCTION(gui_setopacity, "alpha_0_to_1")
-{
-	lua_Number opacF = luaL_checknumber(L,1);
-	opacF *= 255.0;
-	if(opacF < 0) opacF = 0;
-	int opac;
-	lua_number2int(opac, opacF);
-	LuaContextInfo& info = GetCurrentInfo();
-	info.transparencyModifier = opac;
-	return 0;
-}
-
-// gui.transparency(number transparencyValue)
-// sets the transparency of subsequent draw calls
-// 0.0 is completely opaque, 4.0 is completely transparent
-// non-integer values are supported and meaningful, as are values less than 0.0
-// this is a legacy function, and the range is from 0 to 4 solely for this reason
-// it does the exact same thing as gui.opacity() but with a different argument range
-DEFINE_LUA_FUNCTION(gui_settransparency, "transparency_4_to_0")
-{
-	lua_Number transp = luaL_checknumber(L,1);
-	lua_Number opacF = 4 - transp;
-	opacF *= 255.0 / 4.0;
-	if(opacF < 0) opacF = 0;
-	int opac;
-	lua_number2int(opac, opacF);
-	LuaContextInfo& info = GetCurrentInfo();
-	info.transparencyModifier = opac;
-	return 0;
-}
-
-// takes a screenshot and returns it in gdstr format
-// example: gd.createFromGdStr(gui.gdscreenshot()):png("outputimage.png")
-DEFINE_LUA_FUNCTION(gui_gdscreenshot, "")
-{
-	int width = ((VDP_Reg.Set4 & 0x1) || Debug || !Game || !FrameCount) ? 320 : 256;
-	int height = ((VDP_Reg.Set2 & 0x8) && !(Debug || !Game || !FrameCount)) ? 240 : 224;
-	int size = 11 + width * height * 4;
-
-	char* str = new char[size+1];
-	str[size] = 0;
-	unsigned char* ptr = (unsigned char*)str;
-
-	// GD format header for truecolor image (11 bytes)
-	*ptr++ = (65534 >> 8) & 0xFF;
-	*ptr++ = (65534     ) & 0xFF;
-	*ptr++ = (width >> 8) & 0xFF;
-	*ptr++ = (width     ) & 0xFF;
-	*ptr++ = (height >> 8) & 0xFF;
-	*ptr++ = (height     ) & 0xFF;
-	*ptr++ = 1;
-	*ptr++ = 255;
-	*ptr++ = 255;
-	*ptr++ = 255;
-	*ptr++ = 255;
-
-	unsigned char *Src = Bits32 ? (unsigned char*)(MD_Screen32+8) : (unsigned char*)(MD_Screen+8);
-
-	if(Bits32)
-	{
-		for(int y = 0; y < height; y++, Src += 336*4)
-		{
-			for(int x = 0; x < width; x++)
-			{
-				*ptr++ = Src[4*x+3];
-				*ptr++ = Src[4*x+2];
-				*ptr++ = Src[4*x+1];
-				*ptr++ = Src[4*x+0];
-			}
-		}
-	}
-	else if((Mode_555 & 1) == 0)
-	{
-		for(int y = 0; y < height; y++, Src += 336*2)
-		{
-			for(int x = 0; x < width; x++)
-			{
-				int pix = DrawUtil::Pix16To32((pix16)(Src[2*x]+(Src[2*x+1]<<8)));
-				*ptr++ = ((unsigned char*)&pix)[3];
-				*ptr++ = ((unsigned char*)&pix)[2];
-				*ptr++ = ((unsigned char*)&pix)[1];
-				*ptr++ = ((unsigned char*)&pix)[0];
-			}
-		}
-	}
-	else
-	{
-		for(int y = 0; y < height; y++, Src += 336*2)
-		{
-			for(int x = 0; x < width; x++)
-			{
-				int pix = DrawUtil::Pix15To32((pix15)(Src[2*x]+(Src[2*x+1]<<8)));
-				*ptr++ = ((unsigned char*)&pix)[3];
-				*ptr++ = ((unsigned char*)&pix)[2];
-				*ptr++ = ((unsigned char*)&pix)[1];
-				*ptr++ = ((unsigned char*)&pix)[0];
-			}
-		}
-	}
-
-	lua_pushlstring(L, str, size);
-	delete[] str;
-	return 1;
-}
-
-// draws a gd image that's in gdstr format to the screen
-// example: gui.gdoverlay(gd.createFromPng("myimage.png"):gdStr())
-DEFINE_LUA_FUNCTION(gui_gdoverlay, "[x=0,y=0,]gdimage[,alphamul]")
-{
-	if(DeferGUIFuncIfNeeded(L))
-		return 0;
-
-	int xStart = 0;
-	int yStart = 0;
-
-	int index = 1;
-	if(lua_type(L,index) == LUA_TNUMBER)
-	{
-		xStart = (int)lua_tointeger(L,index++);
-		if(lua_type(L,index) == LUA_TNUMBER)
-			yStart = (int)lua_tointeger(L,index++);
-	}
-
-	luaL_checktype(L,index,LUA_TSTRING);
-	const unsigned char* ptr = (const unsigned char*)lua_tostring(L,index++);
-
-	// GD format header for truecolor image (11 bytes)
-	ptr++;
-	ptr++;
-	int width = *ptr++ << 8;
-	width |= *ptr++;
-	int height = *ptr++ << 8;
-	height |= *ptr++;
-	ptr += 5;
-
-	int maxWidth = ((VDP_Reg.Set4 & 0x1) || Debug || !Game || !FrameCount) ? 320 : 256;
-	int maxHeight = ((VDP_Reg.Set2 & 0x8) && !(Debug || !Game || !FrameCount)) ? 240 : 224;
-
-	unsigned char *Dst = Bits32 ? (unsigned char*)(MD_Screen32+8) : (unsigned char*)(MD_Screen+8);
-
-	LuaContextInfo& info = GetCurrentInfo();
-	int alphaMul = info.transparencyModifier;
-	if(lua_isnumber(L, index))
-		alphaMul = (int)(alphaMul * lua_tonumber(L, index++));
-	if(alphaMul <= 0)
-		return 0;
-
-	// since there aren't that many possible opacity levels,
-	// do the opacity modification calculations beforehand instead of per pixel
-	int opacMap[256];
-	for(int i = 0; i < 256; i++)
-	{
-		int opac = 255 - (i << 1); // not sure why, but gdstr seems to divide each alpha value by 2
-		opac = (opac * alphaMul) / 255;
-		if(opac < 0) opac = 0;
-		if(opac > 255) opac = 255;
-		opacMap[i] = 255 - opac;
-	}
-
-	if(Bits32)
-	{
-		Dst += yStart * 336*4;
-		for(int y = yStart; y < height+yStart && y < maxHeight; y++, Dst += 336*4)
-		{
-			if(y < 0)
-				ptr += width * 4;
-			else
-			{
-				int xA = (xStart < 0 ? 0 : xStart);
-				int xB = (xStart+width > maxWidth ? maxWidth : xStart+width);
-				ptr += (xA - xStart) * 4;
-				for(int x = xA; x < xB; x++)
-				{
-					//Dst[4*x+3] = *ptr++;
-					//Dst[4*x+2] = *ptr++;
-					//Dst[4*x+1] = *ptr++;
-					//Dst[4*x+0] = *ptr++;
-
-					int opac = opacMap[ptr[0]];
-					pix32 pix = (ptr[3]|(ptr[2]<<8)|(ptr[1]<<16));
-					pix32 prev = Dst[4*x] | (Dst[4*x+1] << 8) | (Dst[4*x+2] << 16);
-					pix = DrawUtil::Blend(prev, pix, opac);
-					Dst[4*x] = pix & 0xFF;
-					Dst[4*x+1] = (pix>>8) & 0xFF;
-					Dst[4*x+2] = (pix>>16) & 0xFF;
-					ptr += 4;
-				}
-				ptr += (xStart+width - xB) * 4;
-			}
-		}
-	}
-	else if((Mode_555 & 1) == 0)
-	{
-		Dst += yStart * 336*2;
-		for(int y = yStart; y < height+yStart && y < maxHeight; y++, Dst += 336*2)
-		{
-			if(y < 0)
-				ptr += width * 4;
-			else
-			{
-				int xA = (xStart < 0 ? 0 : xStart);
-				int xB = (xStart+width > maxWidth ? maxWidth : xStart+width);
-				ptr += (xA - xStart) * 4;
-				for(int x = xA; x < xB; x++)
-				{
-					int opac = opacMap[ptr[0]];
-					pix32 pixh = (ptr[3]|(ptr[2]<<8)|(ptr[1]<<16));
-					pix32 prev = DrawUtil::Pix16To32(Dst[2*x] | (Dst[2*x+1] << 8));
-					pix16 pix = DrawUtil::Pix32To16(DrawUtil::Blend(prev, pixh, opac));
-					Dst[2*x] = pix & 0xFF;
-					Dst[2*x+1] = (pix>>8) & 0xFF;
-					ptr += 4;
-				}
-				ptr += (xStart+width - xB) * 4;
-			}
-		}
-	}
-	else
-	{
-		Dst += yStart * 336*2;
-		for(int y = yStart; y < height+yStart && y < maxHeight; y++, Dst += 336*2)
-		{
-			if(y < 0)
-				ptr += width * 4;
-			else
-			{
-				int xA = (xStart < 0 ? 0 : xStart);
-				int xB = (xStart+width > maxWidth ? maxWidth : xStart+width);
-				ptr += (xA - xStart) * 4;
-				for(int x = xA; x < xB; x++)
-				{
-					int opac = opacMap[ptr[0]];
-					pix32 pixh = (ptr[3]|(ptr[2]<<8)|(ptr[1]<<16));
-					pix32 prev = DrawUtil::Pix15To32(Dst[2*x] | (Dst[2*x+1] << 8));
-					pix15 pix = DrawUtil::Pix32To15(DrawUtil::Blend(prev, pixh, opac));
-					Dst[2*x] = pix & 0xFF;
-					Dst[2*x+1] = (pix>>8) & 0xFF;
-					ptr += 4;
-				}
-				ptr += (xStart+width - xB) * 4;
-			}
-		}
-	}
-
-	return 0;
-}
-*/
-
-static void GetCurrentScriptDir(char* buffer, int bufLen)
-{
-	LuaContextInfo& info = GetCurrentInfo();
-	strncpy(buffer, info.lastFilename.c_str(), bufLen);
-	buffer[bufLen-1] = 0;
-	char* slash = max(strrchr(buffer, '/'), strrchr(buffer, '\\'));
-	if(slash)
-		slash[1] = 0;
-}
-
-DEFINE_LUA_FUNCTION(emu_openscript, "filename")
-{
-	/*char curScriptDir[1024]; GetCurrentScriptDir(curScriptDir, 1024); // make sure we can always find scripts that are in the same directory as the current script
-	const char* filename = lua_isstring(L,1) ? lua_tostring(L,1) : NULL;
-	extern const char* OpenLuaScript(const char* filename, const char* extraDirToCheck, bool makeSubservient);
-	const char* errorMsg = OpenLuaScript(filename, curScriptDir, true);
-	if(errorMsg)
-		luaL_error(L, errorMsg);*/
-	luaL_error(L, "ERROR: emu_openscript not implemented");
-    return 1;
-}
-
-DEFINE_LUA_FUNCTION(emulua_loadrom, "filename")
-{
-	struct Temp { Temp() {EnableStopAllLuaScripts(false);} ~Temp() {EnableStopAllLuaScripts(true);}} dontStopScriptsHere;
-	const char* filename = lua_isstring(L,1) ? lua_tostring(L,1) : NULL;
-	char curScriptDir[1024]; GetCurrentScriptDir(curScriptDir, 1024);
-	
-	if(Core::GetState() != Core::CORE_UNINITIALIZED)
-		Core::Stop();
-
-	SCoreStartupParameter& StartUp = SConfig::GetInstance().m_LocalCoreStartupParameter;
-
-	StartUp.m_BootType = SCoreStartupParameter::BOOT_ISO;
-	StartUp.m_strFilename = filename;
-	SConfig::GetInstance().m_LastFilename = filename;
-	StartUp.bRunCompareClient = false;
-	StartUp.bRunCompareServer = false;
-
-	// If for example the ISO file is bad we return here
-	if (!StartUp.AutoSetup(SCoreStartupParameter::BOOT_DEFAULT)) return 1;
-
-	// Load game specific settings
-	IniFile game_ini;
-	std::string unique_id = StartUp.GetUniqueID();
+	lua_settop(L,0);
+	lua_pushboolean(L, Memory::IsRAMAddress(address));
+	return 1;
+}
+
+struct registerPointerMap
+{
+	const char* registerName;
+	unsigned int* pointer;
+	int dataSize;
+};
+
+
+#define RPM_ENTRY(name,var) {name, (unsigned int*)&var, sizeof(var)},
+
+registerPointerMap m68kPointerMap [] = {/*
+	RPM_ENTRY("a0", main68k_context.areg[0])
+	RPM_ENTRY("a1", main68k_context.areg[1])
+	RPM_ENTRY("a2", main68k_context.areg[2])
+	RPM_ENTRY("a3", main68k_context.areg[3])
+	RPM_ENTRY("a4", main68k_context.areg[4])
+	RPM_ENTRY("a5", main68k_context.areg[5])
+	RPM_ENTRY("a6", main68k_context.areg[6])
+	RPM_ENTRY("a7", main68k_context.areg[7])
+	RPM_ENTRY("d0", main68k_context.dreg[0])
+	RPM_ENTRY("d1", main68k_context.dreg[1])
+	RPM_ENTRY("d2", main68k_context.dreg[2])
+	RPM_ENTRY("d3", main68k_context.dreg[3])
+	RPM_ENTRY("d4", main68k_context.dreg[4])
+	RPM_ENTRY("d5", main68k_context.dreg[5])
+	RPM_ENTRY("d6", main68k_context.dreg[6])
+	RPM_ENTRY("d7", main68k_context.dreg[7])
+	RPM_ENTRY("pc", main68k_context.pc)
+	RPM_ENTRY("sr", main68k_context.sr)*/
+	{}
+};
+registerPointerMap s68kPointerMap [] = {/*
+	RPM_ENTRY("a0", sub68k_context.areg[0])
+	RPM_ENTRY("a1", sub68k_context.areg[1])
+	RPM_ENTRY("a2", sub68k_context.areg[2])
+	RPM_ENTRY("a3", sub68k_context.areg[3])
+	RPM_ENTRY("a4", sub68k_context.areg[4])
+	RPM_ENTRY("a5", sub68k_context.areg[5])
+	RPM_ENTRY("a6", sub68k_context.areg[6])
+	RPM_ENTRY("a7", sub68k_context.areg[7])
+	RPM_ENTRY("d0", sub68k_context.dreg[0])
+	RPM_ENTRY("d1", sub68k_context.dreg[1])
+	RPM_ENTRY("d2", sub68k_context.dreg[2])
+	RPM_ENTRY("d3", sub68k_context.dreg[3])
+	RPM_ENTRY("d4", sub68k_context.dreg[4])
+	RPM_ENTRY("d5", sub68k_context.dreg[5])
+	RPM_ENTRY("d6", sub68k_context.dreg[6])
+	RPM_ENTRY("d7", sub68k_context.dreg[7])
+	RPM_ENTRY("pc", sub68k_context.pc)
+	RPM_ENTRY("sr", sub68k_context.sr)*/
+	{}
+};
+
+struct cpuToRegisterMap
+{
+	const char* cpuName;
+	registerPointerMap* rpmap;
+}
+cpuToRegisterMaps [] =
+{
+	{"m68k.", m68kPointerMap},
+	{"main.", m68kPointerMap},
+	{"s68k.", s68kPointerMap},
+	{"sub.",  s68kPointerMap},
+	{"", m68kPointerMap},
+};
+
+
+DEFINE_LUA_FUNCTION(memory_getregister, "cpu_dot_registername_string")
+{
+	const char* qualifiedRegisterName = luaL_checkstring(L,1);
+	lua_settop(L,0);
+	for(int cpu = 0; cpu < sizeof(cpuToRegisterMaps)/sizeof(*cpuToRegisterMaps); cpu++)
+	{
+		cpuToRegisterMap ctrm = cpuToRegisterMaps[cpu];
+		int cpuNameLen = (int)strlen(ctrm.cpuName);
+		if(!strncasecmp(qualifiedRegisterName, ctrm.cpuName, cpuNameLen))
+		{
+			qualifiedRegisterName += cpuNameLen;
+			for(int reg = 0; ctrm.rpmap[reg].dataSize; reg++)
+			{
+				registerPointerMap rpm = ctrm.rpmap[reg];
+				if(!strcasecmp(qualifiedRegisterName, rpm.registerName))
+				{
+					switch(rpm.dataSize)
+					{ default:
+					case 1: lua_pushinteger(L, *(unsigned char*)rpm.pointer); break;
+					case 2: lua_pushinteger(L, *(unsigned short*)rpm.pointer); break;
+					case 4: lua_pushinteger(L, *(unsigned long*)rpm.pointer); break;
+					}
+					return 1;
+				}
+			}
+			lua_pushnil(L);
+			return 1;
+		}
+	}
+	lua_pushnil(L);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(memory_setregister, "cpu_dot_registername_string,value")
+{
+	const char* qualifiedRegisterName = luaL_checkstring(L,1);
+	unsigned long value = (unsigned long)(luaL_checkinteger(L,2));
+	lua_settop(L,0);
+	for(int cpu = 0; cpu < sizeof(cpuToRegisterMaps)/sizeof(*cpuToRegisterMaps); cpu++)
+	{
+		cpuToRegisterMap ctrm = cpuToRegisterMaps[cpu];
+		int cpuNameLen = (int)strlen(ctrm.cpuName);
+		if(!strncasecmp(qualifiedRegisterName, ctrm.cpuName, cpuNameLen))
+		{
+			qualifiedRegisterName += cpuNameLen;
+			for(int reg = 0; ctrm.rpmap[reg].dataSize; reg++)
+			{
+				registerPointerMap rpm = ctrm.rpmap[reg];
+				if(!strcasecmp(qualifiedRegisterName, rpm.registerName))
+				{
+					switch(rpm.dataSize)
+					{ default:
+					case 1: *(unsigned char*)rpm.pointer = (unsigned char)(value & 0xFF); break;
+					case 2: *(unsigned short*)rpm.pointer = (unsigned short)(value & 0xFFFF); break;
+					case 4: *(unsigned long*)rpm.pointer = value; break;
+					}
+					return 0;
+				}
+			}
+			return 0;
+		}
+	}
+	return 0;
+}
+
+// Creates a savestate object
+DEFINE_LUA_FUNCTION(state_create, "[location]")
+{
+	if(lua_isnumber(L,1))
+	{
+		// simply return the integer that got passed in
+		// (that's as good a savestate object as any for a numbered savestate slot)
+		lua_settop(L,1);
+		return 1;
+	}
+
+	size_t len = State_GetSize();
+
+	// allocate the in-memory/anonymous savestate
+	unsigned char* stateBuffer = (unsigned char*)lua_newuserdata(L, len + 16); // 16 is for performance alignment reasons
+	stateBuffer[0] = 0;
+
+	return 1;
+}
+
+// savestate.save(location [, option])
+// saves the current emulation state to the given location
+// you can pass in either a savestate file number (an integer),
+// OR you can pass in a savestate object that was returned by savestate.create()
+// if option is "quiet" then any warning messages will be suppressed
+// if option is "scriptdataonly" then the state will not actually be saved, but any save callbacks will still get called and their results will be saved (see savestate.registerload()/savestate.registersave())
+DEFINE_LUA_FUNCTION(state_save, "location[,option]")
+{
+	const char* option = (lua_type(L,2) == LUA_TSTRING) ? lua_tostring(L,2) : NULL;
+	if(option)
+	{
+		if(!strcasecmp(option, "quiet")) // I'm not sure if saving can generate warning messages, but we might as well support suppressing them should they turn out to exist
+			g_disableStatestateWarnings = true;
+		else if(!strcasecmp(option, "scriptdataonly"))
+			g_onlyCallSavestateCallbacks = true;
+	}
+	struct Scope { ~Scope(){ g_disableStatestateWarnings = false; g_onlyCallSavestateCallbacks = false; } } scope; // needs to run even if the following code throws an exception... maybe I should have put this in a "finally" block instead, but this project seems to have something against using the "try" statement
+
+	if(!g_onlyCallSavestateCallbacks && FailVerifyAtFrameBoundary(L, "savestate.save", 2,2))
+		return 0;
+
+	int type = lua_type(L,1);
+	switch(type)
+	{
+		case LUA_TNUMBER: // numbered save file
+		default:
+		{
+			State_Save((int)luaL_checkinteger(L,1));
+			return 0;
+		}	
+
+		case LUA_TUSERDATA: // in-memory save slot
+		{
+			unsigned char* stateBuffer = (unsigned char*)lua_touserdata(L,1);
+			if(stateBuffer)
+			{
+				stateBuffer += ((16 - (u64)stateBuffer) & 15); // for performance alignment reasons
+				State_SaveToBuffer(&stateBuffer);
+			}
+			return 0;
+		}	
+	}
+}
+
+// savestate.load(location [, option])
+// loads the current emulation state from the given location
+// you can pass in either a savestate file number (an integer),
+// OR you can pass in a savestate object that was returned by savestate.create() and has already saved to with savestate.save()
+// if option is "quiet" then any warning messages will be suppressed
+// if option is "scriptdataonly" then the state will not actually be loaded, but load callbacks will still get called and supplied with the data saved by save callbacks (see savestate.registerload()/savestate.registersave())
+DEFINE_LUA_FUNCTION(state_load, "location[,option]")
+{
+	const char* option = (lua_type(L,2) == LUA_TSTRING) ? lua_tostring(L,2) : NULL;
+	if(option)
+	{
+		if(!strcasecmp(option, "quiet"))
+			g_disableStatestateWarnings = true;
+		else if(!strcasecmp(option, "scriptdataonly"))
+			g_onlyCallSavestateCallbacks = true;
+	}
+	struct Scope { ~Scope(){ g_disableStatestateWarnings = false; g_onlyCallSavestateCallbacks = false; } } scope; // needs to run even if the following code throws an exception... maybe I should have put this in a "finally" block instead, but this project seems to have something against using the "try" statement
+
+	if(!g_onlyCallSavestateCallbacks && FailVerifyAtFrameBoundary(L, "savestate.load", 2,2))
+		return 0;
+
+	g_disableStatestateWarnings = lua_toboolean(L,2) != 0;
+
+	int type = lua_type(L,1);
+	switch(type)
+	{
+		case LUA_TNUMBER: // numbered save file
+		default:
+		{
+			LuaContextInfo& info = GetCurrentInfo();
+			if(info.rerecordCountingDisabled)
+				SkipNextRerecordIncrement = true;
+			State_Load((int)luaL_checkinteger(L,1));
+		
+			return 0;
+		}
+
+		case LUA_TUSERDATA: // in-memory save slot
+		{
+			unsigned char* stateBuffer = (unsigned char*)lua_touserdata(L,1);
+			if(stateBuffer)
+			{
+				stateBuffer += ((16 - (u64)stateBuffer) & 15); // for performance alignment reasons
+				if(stateBuffer[0])
+					State_LoadFromBuffer(&stateBuffer);
+				else // the first byte of a valid savestate is never 0
+					luaL_error(L, "attempted to load an anonymous savestate before saving it");
+			}
+			return 0;
+		}	
+	}
+}
+
+// savestate.loadscriptdata(location)
+// returns the user data associated with the given savestate
+// without actually loading the rest of that savestate or calling any callbacks.
+// you can pass in either a savestate file number (an integer),
+// OR you can pass in a savestate object that was returned by savestate.create()
+// but note that currently only non-anonymous savestates can have associated scriptdata
+//
+// also note that this returns the same values
+// that would be passed into a registered load function.
+// the main reason this exists also is so you can register a load function that
+// chooses whether or not to load the scriptdata instead of always loading it,
+// and also to provide a nicer interface for loading scriptdata
+// without needing to trigger savestate loading first
+DEFINE_LUA_FUNCTION(state_loadscriptdata, "location")
+{
+	int type = lua_type(L,1);
+	switch(type)
+	{
+		case LUA_TNUMBER: // numbered save file
+		default:
+		{
+			// TODO
+			int stateNumber = (int)luaL_checkinteger(L,1);
+			//Set_Current_State(stateNumber, false,false);
+			char Name [1024] = {0};
+			//Get_State_File_Name(Name); 
+			{
+				LuaSaveData saveData;
+
+				char luaSaveFilename [512];
+				strncpy(luaSaveFilename, Name, 512);
+				luaSaveFilename[512-(1+7)] = '\0';
+				strcat(luaSaveFilename, ".luasav");
+				FILE* luaSaveFile = fopen(luaSaveFilename, "rb");
+				if(luaSaveFile)
+				{
+					saveData.ImportRecords(luaSaveFile);
+					fclose(luaSaveFile);
+
+					int uid = luaStateToUIDMap[L];
+					LuaContextInfo& info = GetCurrentInfo();
+
+					lua_settop(L, 0);
+					saveData.LoadRecord(uid, info.dataLoadKey, (unsigned int)-1);
+					return lua_gettop(L);
+				}
+			}
+		}	return 0;
+		case LUA_TUSERDATA: // in-memory save slot
+		{	// there can be no user data associated with those, at least not yet
+		}	return 0;
+	}
+}
+
+// savestate.savescriptdata(location)
+// same as savestate.save(location, "scriptdataonly")
+// only provided for consistency with savestate.loadscriptdata(location)
+DEFINE_LUA_FUNCTION(state_savescriptdata, "location")
+{
+	lua_settop(L, 1);
+	lua_pushstring(L, "scriptdataonly");
+	return state_save(L);
+}
+
+
+// TODO: Convert to Dolphin?
+/*
+static const struct ButtonDesc
+{
+	unsigned short controllerNum;
+	unsigned short bit;
+	const char* name;
+}
+s_buttonDescs [] =
+{
+	{1, 0, "up"},
+	{1, 1, "down"},
+	{1, 2, "left"},
+	{1, 3, "right"},
+	{1, 4, "A"},
+	{1, 5, "B"},
+	{1, 6, "C"},
+	{1, 7, "start"},
+	{1, 32, "X"},
+	{1, 33, "Y"},
+	{1, 34, "Z"},
+	{1, 35, "mode"},
+	{2, 24, "up"},
+	{2, 25, "down"},
+	{2, 26, "left"},
+	{2, 27, "right"},
+	{2, 28, "A"},
+	{2, 29, "B"},
+	{2, 30, "C"},
+	{2, 31, "start"},
+	{2, 36, "X"},
+	{2, 37, "Y"},
+	{2, 38, "Z"},
+	{2, 39, "mode"},
+	{0x1B, 8, "up"},
+	{0x1B, 9, "down"},
+	{0x1B, 10, "left"},
+	{0x1B, 11, "right"},
+	{0x1B, 12, "A"},
+	{0x1B, 13, "B"},
+	{0x1B, 14, "C"},
+	{0x1B, 15, "start"},
+	{0x1C, 16, "up"},
+	{0x1C, 17, "down"},
+	{0x1C, 18, "left"},
+	{0x1C, 19, "right"},
+	{0x1C, 20, "A"},
+	{0x1C, 21, "B"},
+	{0x1C, 22, "C"},
+	{0x1C, 23, "start"},
+};
+
+int joy_getArgControllerNum(lua_State* L, int& index)
+{
+	int controllerNumber;
+	int type = lua_type(L,index);
+	if(type == LUA_TSTRING || type == LUA_TNUMBER)
+	{
+		controllerNumber = 0;
+		if(type == LUA_TSTRING)
+		{
+			const char* str = lua_tostring(L,index);
+			if(!strcasecmp(str, "1C"))
+				controllerNumber = 0x1C;
+			else if(!strcasecmp(str, "1B"))
+				controllerNumber = 0x1B;
+			else if(!strcasecmp(str, "1A"))
+				controllerNumber = 0x1A;
+		}
+		if(!controllerNumber)
+			controllerNumber = (int)luaL_checkinteger(L,index);
+		index++;
+	}
+	else
+	{
+		// argument omitted; default to controller 1
+		controllerNumber = 1;
+	}
+
+	if(controllerNumber == 0x1A)
+		controllerNumber = 1;
+	if(controllerNumber != 1 && controllerNumber != 2 && controllerNumber != 0x1B && controllerNumber != 0x1C)
+		luaL_error(L, "controller number must be 1, 2, '1B', or '1C'");
+
+	return controllerNumber;
+}
+
+
+// joypad.set(controllerNum = 1, inputTable)
+// controllerNum can be 1, 2, '1B', or '1C'
+DEFINE_LUA_FUNCTION(joy_set, "[controller=1,]inputtable")
+{
+	int index = 1;
+	int controllerNumber = joy_getArgControllerNum(L, index);
+
+	luaL_checktype(L, index, LUA_TTABLE);
+
+	int input = ~0;
+	int mask = 0;
+
+	for(int i = 0; i < sizeof(s_buttonDescs)/sizeof(*s_buttonDescs); i++)
+	{
+		const ButtonDesc& bd = s_buttonDescs[i];
+		if(bd.controllerNum == controllerNumber)
+		{
+			lua_getfield(L, index, bd.name);
+			if (!lua_isnil(L,-1))
+			{
+				bool pressed = lua_toboolean(L,-1) != 0;
+				int bitmask = ((long long)1 << bd.bit);
+				if(pressed)
+					input &= ~bitmask;
+				else
+					input |= bitmask;
+				mask |= bitmask;
+			}
+			lua_pop(L,1);
+		}
+	}
+
+	SetNextInputCondensed(input, mask);
+
+	return 0;
+}
+
+// joypad.get(controllerNum = 1)
+// controllerNum can be 1, 2, '1B', or '1C'
+int joy_get_internal(lua_State* L, bool reportUp, bool reportDown)
+{
+	int index = 1;
+	int controllerNumber = joy_getArgControllerNum(L, index);
+
+	lua_newtable(L);
+
+	long long input = GetCurrentInputCondensed();
+
+	for(int i = 0; i < sizeof(s_buttonDescs)/sizeof(*s_buttonDescs); i++)
+	{
+		const ButtonDesc& bd = s_buttonDescs[i];
+		if(bd.controllerNum == controllerNumber)
+		{
+			bool pressed = (input & ((long long)1<<bd.bit)) == 0;
+			if((pressed && reportDown) || (!pressed && reportUp))
+			{
+				lua_pushboolean(L, pressed);
+				lua_setfield(L, -2, bd.name);
+			}
+		}
+	}
+
+	return 1;
+}
+// joypad.get(int controllerNumber = 1)
+// returns a table of every game button,
+// true meaning currently-held and false meaning not-currently-held
+// this WILL read input from a currently-playing movie
+DEFINE_LUA_FUNCTION(joy_get, "[controller=1]")
+{
+	return joy_get_internal(L, true, true);
+}
+// joypad.getdown(int controllerNumber = 1)
+// returns a table of every game button that is currently held
+DEFINE_LUA_FUNCTION(joy_getdown, "[controller=1]")
+{
+	return joy_get_internal(L, false, true);
+}
+// joypad.getup(int controllerNumber = 1)
+// returns a table of every game button that is not currently held
+DEFINE_LUA_FUNCTION(joy_getup, "[controller=1]")
+{
+	return joy_get_internal(L, true, false);
+}
+
+// joypad.peek(controllerNum = 1)
+// controllerNum can be 1, 2, '1B', or '1C'
+int joy_peek_internal(lua_State* L, bool reportUp, bool reportDown)
+{
+	int index = 1;
+	int controllerNumber = joy_getArgControllerNum(L, index);
+
+	lua_newtable(L);
+
+	long long input = PeekInputCondensed();
+
+	for(int i = 0; i < sizeof(s_buttonDescs)/sizeof(*s_buttonDescs); i++)
+	{
+		const ButtonDesc& bd = s_buttonDescs[i];
+		if(bd.controllerNum == controllerNumber)
+		{
+			bool pressed = (input & ((long long)1<<bd.bit)) == 0;
+			if((pressed && reportDown) || (!pressed && reportUp))
+			{
+				lua_pushboolean(L, pressed);
+				lua_setfield(L, -2, bd.name);
+			}
+		}
+	}
+
+	return 1;
+}
+
+// joypad.peek(int controllerNumber = 1)
+// returns a table of every game button,
+// true meaning currently-held and false meaning not-currently-held
+// peek checks which joypad buttons are physically pressed, so it will NOT read input from a playing movie, it CAN read mid-frame input, and it will NOT pay attention to stuff like autofire or autohold or disabled L+R/U+D
+DEFINE_LUA_FUNCTION(joy_peek, "[controller=1]")
+{
+	return joy_peek_internal(L, true, true);
+}
+// joypad.peekdown(int controllerNumber = 1)
+// returns a table of every game button that is currently held (according to what joypad.peek() would return)
+DEFINE_LUA_FUNCTION(joy_peekdown, "[controller=1]")
+{
+	return joy_peek_internal(L, false, true);
+}
+// joypad.peekup(int controllerNumber = 1)
+// returns a table of every game button that is not currently held (according to what joypad.peek() would return)
+DEFINE_LUA_FUNCTION(joy_peekup, "[controller=1]")
+{
+	return joy_peek_internal(L, true, false);
+}
+*/
+
+static const struct ColorMapping
+{
+	const char* name;
+	int value;
+}
+s_colorMapping [] =
+{
+	{"white",     0xFFFFFFFF},
+	{"black",     0x000000FF},
+	{"clear",     0x00000000},
+	{"gray",      0x7F7F7FFF},
+	{"grey",      0x7F7F7FFF},
+	{"red",       0xFF0000FF},
+	{"orange",    0xFF7F00FF},
+	{"yellow",    0xFFFF00FF},
+	{"chartreuse",0x7FFF00FF},
+	{"green",     0x00FF00FF},
+	{"teal",      0x00FF7FFF},
+	{"cyan" ,     0x00FFFFFF},
+	{"blue",      0x0000FFFF},
+	{"purple",    0x7F00FFFF},
+	{"magenta",   0xFF00FFFF},
+};
+
+inline int getcolor_unmodified(lua_State *L, int idx, int defaultColor)
+{
+	int type = lua_type(L,idx);
+	switch(type)
+	{
+		case LUA_TNUMBER:
+		{
+			return (int)lua_tointeger(L,idx);
+		}	break;
+		case LUA_TSTRING:
+		{
+			const char* str = lua_tostring(L,idx);
+			if(*str == '#')
+			{
+				int color;
+				sscanf(str+1, "%X", &color);
+				int len = (int)strlen(str+1);
+				int missing = max(0, 8-len);
+				color <<= missing << 2;
+				if(missing >= 2) color |= 0xFF;
+				return color;
+			}
+			else for(int i = 0; i<sizeof(s_colorMapping)/sizeof(*s_colorMapping); i++)
+			{
+				if(!strcasecmp(str,s_colorMapping[i].name))
+					return s_colorMapping[i].value;
+			}
+			if(!strncasecmp(str, "rand", 4))
+				return ((rand()*255/RAND_MAX) << 8) | ((rand()*255/RAND_MAX) << 16) | ((rand()*255/RAND_MAX) << 24) | 0xFF;
+		}	break;
+		case LUA_TTABLE:
+		{
+			int color = 0xFF;
+			lua_pushnil(L); // first key
+			int keyIndex = lua_gettop(L);
+			int valueIndex = keyIndex + 1;
+			bool first = true;
+			while(lua_next(L, idx))
+			{
+				bool keyIsString = (lua_type(L, keyIndex) == LUA_TSTRING);
+				bool keyIsNumber = (lua_type(L, keyIndex) == LUA_TNUMBER);
+				int key = keyIsString ? tolower(*lua_tostring(L, keyIndex)) : (keyIsNumber ? (int)lua_tointeger(L, keyIndex) : 0);
+				int value = (int)lua_tointeger(L, valueIndex);
+				if(value < 0) value = 0;
+				if(value > 255) value = 255;
+				switch(key)
+				{
+				case 1: case 'r': color |= value << 24; break;
+				case 2: case 'g': color |= value << 16; break;
+				case 3: case 'b': color |= value << 8; break;
+				case 4: case 'a': color = (color & ~0xFF) | value; break;
+				}
+				lua_pop(L, 1);
+			}
+			return color;
+		}	break;
+		case LUA_TFUNCTION:
+			return 0;
+	}
+	return defaultColor;
+}
+int getcolor(lua_State *L, int idx, int defaultColor)
+{
+	int color = getcolor_unmodified(L, idx, defaultColor);
+	LuaContextInfo& info = GetCurrentInfo();
+	if(info.transparencyModifier != 255)
+	{
+		int alpha = (((color & 0xFF) * info.transparencyModifier) / 255);
+		if(alpha > 255) alpha = 255;
+		color = (color & ~0xFF) | alpha;
+	}
+	return color;
+}
+
+// r,g,b,a = gui.parsecolor(color)
+// examples:
+// local r,g,b = gui.parsecolor("green")
+// local r,g,b,a = gui.parsecolor(0x7F3FFF7F)
+DEFINE_LUA_FUNCTION(gui_parsecolor, "color")
+{
+	int color = getcolor_unmodified(L, 1, 0);
+	int r = (color & 0xFF000000) >> 24;
+	int g = (color & 0x00FF0000) >> 16;
+	int b = (color & 0x0000FF00) >> 8;
+	int a = (color & 0x000000FF);
+	lua_pushinteger(L, r);
+	lua_pushinteger(L, g);
+	lua_pushinteger(L, b);
+	lua_pushinteger(L, a);
+	return 4;
+}
+
+//TODO
+/*
+DEFINE_LUA_FUNCTION(gui_text, "x,y,str[,color=\"white\"[,outline=\"black\"]]")
+{
+	if(DeferGUIFuncIfNeeded(L))
+		return 0; // we have to wait until later to call this function because emulua hasn't emulated the next frame yet
+		          // (the only way to avoid this deferring is to be in a gui.register or emulua.registerafter callback)
+
+	int x = (int)luaL_checkinteger(L,1) & 0xFFFF;
+	int y = (int)luaL_checkinteger(L,2) & 0xFFFF;
+	const char* str = toCString(L,3); // better than using luaL_checkstring here (more permissive)
+	
+	if(str && *str)
+	{
+		int foreColor = getcolor(L,4,0xFFFFFFFF);
+		int backColor = getcolor(L,5,0x000000FF);
+		PutText2(str, x, y, foreColor, backColor);
+	}
+
+	return 0;
+}
+
+static inline void ApplyShaderToPixel(int off, std::map<int,int>& cachedShaderResults, lua_State* L, int idx)
+{
+	int color;
+	if (Bits32)
+		color = MD_Screen32[off];
+	else
+		color = DrawUtil::Pix16To32(MD_Screen[off]);
+
+	int result;
+	std::map<int,int>::const_iterator found = cachedShaderResults.find(color);
+	if(found != cachedShaderResults.end())
+	{
+		result = found->second;
+	}
+	else
+	{
+		int b = (color & 0x000000FF);
+		int g = (color & 0x0000FF00) >> 8;
+		int r = (color & 0x00FF0000) >> 16;
+
+		lua_pushvalue(L, idx);
+		lua_pushinteger(L, r);
+		lua_pushinteger(L, g);
+		lua_pushinteger(L, b);
+
+		lua_call(L, 3, 3);
+
+		int rout = (int)lua_tointeger(L, -3);
+		int gout = (int)lua_tointeger(L, -2);
+		int bout = (int)lua_tointeger(L, -1);
+		lua_pop(L,3);
+		if(rout < 0) rout = 0; if(rout > 255) rout = 255;
+		if(gout < 0) gout = 0; if(gout > 255) gout = 255;
+		if(bout < 0) bout = 0; if(bout > 255) bout = 255;
+
+		result = DrawUtil::Make32(rout,gout,bout);
+		cachedShaderResults[color] = result;
+	}
+	if (Bits32) 
+		MD_Screen32[off] = result;
+	else
+		MD_Screen[off] = DrawUtil::Pix32To16(result);
+}
+
+#define SWAP_INTEGERS(x,y) x^=y, y^=x, x^=y
+
+// performance note: for me, this function is extremely slow in debug builds,
+// but when compiled with full optimizations turned on it becomes very fast.
+void ApplyShaderToBox(int x1, int y1, int x2, int y2, lua_State* L, int idx)
+{
+	if((x1 < 0 && x2 < 0) || (x1 > 319 && x2 > 319) || (y1 < 0 && y2 < 0) || (y1 > 223 && y2 > 223))
+		return;
+
+	// require x1,y1 <= x2,y2
+	if (x1 > x2) SWAP_INTEGERS(x1,x2);
+	if (y1 > y2) SWAP_INTEGERS(y1,y2);
+
+	// avoid trying to draw any offscreen pixels
+	if (x1 < 0)  x1 = 0;
+	if (x1 > 319) x1 = 319;
+	if (x2 < 0)  x2 = 0;
+	if (x2 > 319) x2 = 319;
+	if (y1 < 0)  y1 = 0;
+	if (y1 > 223) y1 = 223;
+	if (y2 < 0)  y2 = 0;
+	if (y2 > 223) y2 = 223;
+
+	std::map<int,int> cachedShaderResults;
+
+	for(short y = y1; y <= y2; y++)
+	{
+		int off = (y * 336) + x1 + 8;
+		for(short x = x1; x <= x2; x++, off++)
+		{
+			ApplyShaderToPixel(off, cachedShaderResults, L, idx);
+		}
+	}
+}
+
+void ApplyShaderToBoxOutline(int x1, int y1, int x2, int y2, lua_State* L, int idx)
+{
+	// require x1,y1 <= x2,y2
+	if (x1 > x2) SWAP_INTEGERS(x1,x2);
+	if (y1 > y2) SWAP_INTEGERS(y1,y2);
+
+	// avoid trying to draw any offscreen pixels
+	if (x1 < -1)  x1 = -1;
+	if (x1 > 320) x1 = 320;
+	if (x2 < -1)  x2 = -1;
+	if (x2 > 320) x2 = 320;
+	if (y1 < -1)  y1 = -1;
+	if (y1 > 224) y1 = 224;
+	if (y2 < -1)  y2 = -1;
+	if (y2 > 224) y2 = 224;
+
+	std::map<int,int> cachedShaderResults;
+
+	if(y1 >= 0 && y1 < 224)
+		for (short x = x1+1; x < x2; x++)
+			ApplyShaderToPixel((y1 * 336) + x + 8, cachedShaderResults, L, idx);
+	if(x1 >= 0 && x1 < 320)
+		for (short y = y1; y <= y2; y++)
+			ApplyShaderToPixel((y * 336) + x1 + 8, cachedShaderResults, L, idx);
+	if(y1 != y2 && y2 >= 0 && y2 < 224)
+		for (short x = x1+1; x < x2; x++)
+			ApplyShaderToPixel((y2 * 336) + x + 8, cachedShaderResults, L, idx);
+	if(x1 != x2 && x2 >= 0 && x2 < 320)
+		for (short y = y1; y <= y2; y++)
+			ApplyShaderToPixel((y * 336) + x2 + 8, cachedShaderResults, L, idx);
+}
+
+int amplifyShader(lua_State* L)
+{
+	int rin = (int)lua_tointeger(L, 1);
+	int gin = (int)lua_tointeger(L, 2);
+	int bin = (int)lua_tointeger(L, 3);
+	lua_pushvalue(L, lua_upvalueindex(1));
+	lua_insert(L, 1);
+	lua_call(L, 3, 3);
+	int rout = (int)lua_tointeger(L, 1);
+	int gout = (int)lua_tointeger(L, 2);
+	int bout = (int)lua_tointeger(L, 3);
+	lua_settop(L, 0);
+	lua_pushinteger(L, rout*4 - rin*3);
+	lua_pushinteger(L, gout*4 - gin*3);
+	lua_pushinteger(L, bout*4 - bin*3);
+	return 3;
+}
+
+DEFINE_LUA_FUNCTION(gui_box, "x1,y1,x2,y2[,fill[,outline]]")
+{
+	if(DeferGUIFuncIfNeeded(L))
+		return 0;
+
+	int x1 = (int)luaL_checkinteger(L,1); // & 0xFFFF removed because it was turning -1 into 65535 which screwed up the out-of-bounds checking in ApplyShaderToBox
+	int y1 = (int)luaL_checkinteger(L,2);
+	int x2 = (int)luaL_checkinteger(L,3);
+	int y2 = (int)luaL_checkinteger(L,4);
+	int fillcolor = getcolor(L,5,0xFFFFFF3F);
+	int outlinecolor = getcolor(L,6,fillcolor|0xFF);
+	if(!lua_isfunction(L,5) || !lua_isnoneornil(L,6))
+	{
+		DrawBoxPP2(x1, y1, x2, y2, fillcolor, outlinecolor);
+		if(lua_isfunction(L,5))
+			ApplyShaderToBox(x1+1,y1+1,x2-1,y2-1, L,5);
+		if(lua_isfunction(L,6))
+			ApplyShaderToBoxOutline(x1,y1,x2,y2, L,6);
+	}
+	else // fill is a shader and outline is not specified, so make the outline a more "opaque" version of the shader to match up with the default color behavior
+	{
+		ApplyShaderToBox(x1+1,y1+1,x2-1,y2-1, L,5);
+		lua_settop(L, 5);
+		lua_pushvalue(L, 5);
+		lua_pushcclosure(L, amplifyShader, 1);
+		ApplyShaderToBoxOutline(x1,y1,x2,y2, L,6);
+	}
+
+	return 0;
+}
+// gui.setpixel(x,y,color)
+// color can be a RGB web color like '#ff7030', or with alpha RGBA like '#ff703060'
+//   or it can be an RGBA hex number like 0xFF703060
+//   or it can be a preset color like 'red', 'orange', 'blue', 'white', etc.
+DEFINE_LUA_FUNCTION(gui_pixel, "x,y[,color=\"white\"]")
+{
+	if(DeferGUIFuncIfNeeded(L))
+		return 0;
+
+	int x = (int)luaL_checkinteger(L,1) & 0xFFFF;
+	int y = (int)luaL_checkinteger(L,2) & 0xFFFF;
+	int color = getcolor(L,3,0xFFFFFFFF);
+	int color32 = color>>8;
+	int color16 = DrawUtil::Pix32To16(color32);
+	int Opac = color & 0xFF;
+
+	if(Opac)
+		Pixel(x, y, color32, color16, 0, Opac);
+
+	return 0;
+}
+// r,g,b = gui.getpixel(x,y)
+DEFINE_LUA_FUNCTION(gui_getpixel, "x,y")
+{
+	int x = (int)luaL_checkinteger(L,1);
+	int y = (int)luaL_checkinteger(L,2);
+
+	int xres = ((VDP_Reg.Set4 & 0x1) || Debug || !Game || !FrameCount) ? 320 : 256;
+	int yres = ((VDP_Reg.Set2 & 0x8) && !(Debug || !Game || !FrameCount)) ? 240 : 224;
+
+	x = max(0,min(xres,x));
+	y = max(0,min(yres,y));
+
+	int off = (y * 336) + x + 8;
+
+	int color;
+	if (Bits32)
+		color = MD_Screen32[off];
+	else
+		color = DrawUtil::Pix16To32(MD_Screen[off]);
+
+	int b = (color & 0x000000FF);
+	int g = (color & 0x0000FF00) >> 8;
+	int r = (color & 0x00FF0000) >> 16;
+
+	lua_pushinteger(L, r);
+	lua_pushinteger(L, g);
+	lua_pushinteger(L, b);
+
+	return 3;
+}
+DEFINE_LUA_FUNCTION(gui_line, "x1,y1,x2,y2[,color=\"white\"[,skipfirst=false]]")
+{
+	if(DeferGUIFuncIfNeeded(L))
+		return 0;
+
+	int x1 = (int)luaL_checkinteger(L,1) & 0xFFFF;
+	int y1 = (int)luaL_checkinteger(L,2) & 0xFFFF;
+	int x2 = (int)luaL_checkinteger(L,3) & 0xFFFF;
+	int y2 = (int)luaL_checkinteger(L,4) & 0xFFFF;
+	int color = getcolor(L,5,0xFFFFFFFF);
+	int color32 = color>>8;
+	int color16 = DrawUtil::Pix32To16(color32);
+	int Opac = color & 0xFF;
+
+	if(Opac)
+	{
+		int skipFirst = lua_toboolean(L,6);
+		DrawLine(x1, y1, x2, y2, color32, color16, 0, Opac, skipFirst);
+	}
+
+	return 0;
+}
+
+// gui.opacity(number alphaValue)
+// sets the transparency of subsequent draw calls
+// 0.0 is completely transparent, 1.0 is completely opaque
+// non-integer values are supported and meaningful, as are values greater than 1.0
+// it is not necessary to use this function to get transparency (or the less-recommended gui.transparency() either),
+// because you can provide an alpha value in the color argument of each draw call.
+// however, it can be convenient to be able to globally modify the drawing transparency
+DEFINE_LUA_FUNCTION(gui_setopacity, "alpha_0_to_1")
+{
+	lua_Number opacF = luaL_checknumber(L,1);
+	opacF *= 255.0;
+	if(opacF < 0) opacF = 0;
+	int opac;
+	lua_number2int(opac, opacF);
+	LuaContextInfo& info = GetCurrentInfo();
+	info.transparencyModifier = opac;
+	return 0;
+}
+
+// gui.transparency(number transparencyValue)
+// sets the transparency of subsequent draw calls
+// 0.0 is completely opaque, 4.0 is completely transparent
+// non-integer values are supported and meaningful, as are values less than 0.0
+// this is a legacy function, and the range is from 0 to 4 solely for this reason
+// it does the exact same thing as gui.opacity() but with a different argument range
+DEFINE_LUA_FUNCTION(gui_settransparency, "transparency_4_to_0")
+{
+	lua_Number transp = luaL_checknumber(L,1);
+	lua_Number opacF = 4 - transp;
+	opacF *= 255.0 / 4.0;
+	if(opacF < 0) opacF = 0;
+	int opac;
+	lua_number2int(opac, opacF);
+	LuaContextInfo& info = GetCurrentInfo();
+	info.transparencyModifier = opac;
+	return 0;
+}
+
+// takes a screenshot and returns it in gdstr format
+// example: gd.createFromGdStr(gui.gdscreenshot()):png("outputimage.png")
+DEFINE_LUA_FUNCTION(gui_gdscreenshot, "")
+{
+	int width = ((VDP_Reg.Set4 & 0x1) || Debug || !Game || !FrameCount) ? 320 : 256;
+	int height = ((VDP_Reg.Set2 & 0x8) && !(Debug || !Game || !FrameCount)) ? 240 : 224;
+	int size = 11 + width * height * 4;
+
+	char* str = new char[size+1];
+	str[size] = 0;
+	unsigned char* ptr = (unsigned char*)str;
+
+	// GD format header for truecolor image (11 bytes)
+	*ptr++ = (65534 >> 8) & 0xFF;
+	*ptr++ = (65534     ) & 0xFF;
+	*ptr++ = (width >> 8) & 0xFF;
+	*ptr++ = (width     ) & 0xFF;
+	*ptr++ = (height >> 8) & 0xFF;
+	*ptr++ = (height     ) & 0xFF;
+	*ptr++ = 1;
+	*ptr++ = 255;
+	*ptr++ = 255;
+	*ptr++ = 255;
+	*ptr++ = 255;
+
+	unsigned char *Src = Bits32 ? (unsigned char*)(MD_Screen32+8) : (unsigned char*)(MD_Screen+8);
+
+	if(Bits32)
+	{
+		for(int y = 0; y < height; y++, Src += 336*4)
+		{
+			for(int x = 0; x < width; x++)
+			{
+				*ptr++ = Src[4*x+3];
+				*ptr++ = Src[4*x+2];
+				*ptr++ = Src[4*x+1];
+				*ptr++ = Src[4*x+0];
+			}
+		}
+	}
+	else if((Mode_555 & 1) == 0)
+	{
+		for(int y = 0; y < height; y++, Src += 336*2)
+		{
+			for(int x = 0; x < width; x++)
+			{
+				int pix = DrawUtil::Pix16To32((pix16)(Src[2*x]+(Src[2*x+1]<<8)));
+				*ptr++ = ((unsigned char*)&pix)[3];
+				*ptr++ = ((unsigned char*)&pix)[2];
+				*ptr++ = ((unsigned char*)&pix)[1];
+				*ptr++ = ((unsigned char*)&pix)[0];
+			}
+		}
+	}
+	else
+	{
+		for(int y = 0; y < height; y++, Src += 336*2)
+		{
+			for(int x = 0; x < width; x++)
+			{
+				int pix = DrawUtil::Pix15To32((pix15)(Src[2*x]+(Src[2*x+1]<<8)));
+				*ptr++ = ((unsigned char*)&pix)[3];
+				*ptr++ = ((unsigned char*)&pix)[2];
+				*ptr++ = ((unsigned char*)&pix)[1];
+				*ptr++ = ((unsigned char*)&pix)[0];
+			}
+		}
+	}
+
+	lua_pushlstring(L, str, size);
+	delete[] str;
+	return 1;
+}
+
+// draws a gd image that's in gdstr format to the screen
+// example: gui.gdoverlay(gd.createFromPng("myimage.png"):gdStr())
+DEFINE_LUA_FUNCTION(gui_gdoverlay, "[x=0,y=0,]gdimage[,alphamul]")
+{
+	if(DeferGUIFuncIfNeeded(L))
+		return 0;
+
+	int xStart = 0;
+	int yStart = 0;
+
+	int index = 1;
+	if(lua_type(L,index) == LUA_TNUMBER)
+	{
+		xStart = (int)lua_tointeger(L,index++);
+		if(lua_type(L,index) == LUA_TNUMBER)
+			yStart = (int)lua_tointeger(L,index++);
+	}
+
+	luaL_checktype(L,index,LUA_TSTRING);
+	const unsigned char* ptr = (const unsigned char*)lua_tostring(L,index++);
+
+	// GD format header for truecolor image (11 bytes)
+	ptr++;
+	ptr++;
+	int width = *ptr++ << 8;
+	width |= *ptr++;
+	int height = *ptr++ << 8;
+	height |= *ptr++;
+	ptr += 5;
+
+	int maxWidth = ((VDP_Reg.Set4 & 0x1) || Debug || !Game || !FrameCount) ? 320 : 256;
+	int maxHeight = ((VDP_Reg.Set2 & 0x8) && !(Debug || !Game || !FrameCount)) ? 240 : 224;
+
+	unsigned char *Dst = Bits32 ? (unsigned char*)(MD_Screen32+8) : (unsigned char*)(MD_Screen+8);
+
+	LuaContextInfo& info = GetCurrentInfo();
+	int alphaMul = info.transparencyModifier;
+	if(lua_isnumber(L, index))
+		alphaMul = (int)(alphaMul * lua_tonumber(L, index++));
+	if(alphaMul <= 0)
+		return 0;
+
+	// since there aren't that many possible opacity levels,
+	// do the opacity modification calculations beforehand instead of per pixel
+	int opacMap[256];
+	for(int i = 0; i < 256; i++)
+	{
+		int opac = 255 - (i << 1); // not sure why, but gdstr seems to divide each alpha value by 2
+		opac = (opac * alphaMul) / 255;
+		if(opac < 0) opac = 0;
+		if(opac > 255) opac = 255;
+		opacMap[i] = 255 - opac;
+	}
+
+	if(Bits32)
+	{
+		Dst += yStart * 336*4;
+		for(int y = yStart; y < height+yStart && y < maxHeight; y++, Dst += 336*4)
+		{
+			if(y < 0)
+				ptr += width * 4;
+			else
+			{
+				int xA = (xStart < 0 ? 0 : xStart);
+				int xB = (xStart+width > maxWidth ? maxWidth : xStart+width);
+				ptr += (xA - xStart) * 4;
+				for(int x = xA; x < xB; x++)
+				{
+					//Dst[4*x+3] = *ptr++;
+					//Dst[4*x+2] = *ptr++;
+					//Dst[4*x+1] = *ptr++;
+					//Dst[4*x+0] = *ptr++;
+
+					int opac = opacMap[ptr[0]];
+					pix32 pix = (ptr[3]|(ptr[2]<<8)|(ptr[1]<<16));
+					pix32 prev = Dst[4*x] | (Dst[4*x+1] << 8) | (Dst[4*x+2] << 16);
+					pix = DrawUtil::Blend(prev, pix, opac);
+					Dst[4*x] = pix & 0xFF;
+					Dst[4*x+1] = (pix>>8) & 0xFF;
+					Dst[4*x+2] = (pix>>16) & 0xFF;
+					ptr += 4;
+				}
+				ptr += (xStart+width - xB) * 4;
+			}
+		}
+	}
+	else if((Mode_555 & 1) == 0)
+	{
+		Dst += yStart * 336*2;
+		for(int y = yStart; y < height+yStart && y < maxHeight; y++, Dst += 336*2)
+		{
+			if(y < 0)
+				ptr += width * 4;
+			else
+			{
+				int xA = (xStart < 0 ? 0 : xStart);
+				int xB = (xStart+width > maxWidth ? maxWidth : xStart+width);
+				ptr += (xA - xStart) * 4;
+				for(int x = xA; x < xB; x++)
+				{
+					int opac = opacMap[ptr[0]];
+					pix32 pixh = (ptr[3]|(ptr[2]<<8)|(ptr[1]<<16));
+					pix32 prev = DrawUtil::Pix16To32(Dst[2*x] | (Dst[2*x+1] << 8));
+					pix16 pix = DrawUtil::Pix32To16(DrawUtil::Blend(prev, pixh, opac));
+					Dst[2*x] = pix & 0xFF;
+					Dst[2*x+1] = (pix>>8) & 0xFF;
+					ptr += 4;
+				}
+				ptr += (xStart+width - xB) * 4;
+			}
+		}
+	}
+	else
+	{
+		Dst += yStart * 336*2;
+		for(int y = yStart; y < height+yStart && y < maxHeight; y++, Dst += 336*2)
+		{
+			if(y < 0)
+				ptr += width * 4;
+			else
+			{
+				int xA = (xStart < 0 ? 0 : xStart);
+				int xB = (xStart+width > maxWidth ? maxWidth : xStart+width);
+				ptr += (xA - xStart) * 4;
+				for(int x = xA; x < xB; x++)
+				{
+					int opac = opacMap[ptr[0]];
+					pix32 pixh = (ptr[3]|(ptr[2]<<8)|(ptr[1]<<16));
+					pix32 prev = DrawUtil::Pix15To32(Dst[2*x] | (Dst[2*x+1] << 8));
+					pix15 pix = DrawUtil::Pix32To15(DrawUtil::Blend(prev, pixh, opac));
+					Dst[2*x] = pix & 0xFF;
+					Dst[2*x+1] = (pix>>8) & 0xFF;
+					ptr += 4;
+				}
+				ptr += (xStart+width - xB) * 4;
+			}
+		}
+	}
+
+	return 0;
+}
+*/
+
+static void GetCurrentScriptDir(char* buffer, int bufLen)
+{
+	LuaContextInfo& info = GetCurrentInfo();
+	strncpy(buffer, info.lastFilename.c_str(), bufLen);
+	buffer[bufLen-1] = 0;
+	char* slash = max(strrchr(buffer, '/'), strrchr(buffer, '\\'));
+	if(slash)
+		slash[1] = 0;
+}
+
+DEFINE_LUA_FUNCTION(emu_openscript, "filename")
+{
+	/*char curScriptDir[1024]; GetCurrentScriptDir(curScriptDir, 1024); // make sure we can always find scripts that are in the same directory as the current script
+	const char* filename = lua_isstring(L,1) ? lua_tostring(L,1) : NULL;
+	extern const char* OpenLuaScript(const char* filename, const char* extraDirToCheck, bool makeSubservient);
+	const char* errorMsg = OpenLuaScript(filename, curScriptDir, true);
+	if(errorMsg)
+		luaL_error(L, errorMsg);*/
+	luaL_error(L, "ERROR: emu_openscript not implemented");
+    return 1;
+}
+
+DEFINE_LUA_FUNCTION(emulua_loadrom, "filename")
+{
+	struct Temp { Temp() {EnableStopAllLuaScripts(false);} ~Temp() {EnableStopAllLuaScripts(true);}} dontStopScriptsHere;
+	const char* filename = lua_isstring(L,1) ? lua_tostring(L,1) : NULL;
+	char curScriptDir[1024]; GetCurrentScriptDir(curScriptDir, 1024);
+	
+	if(Core::GetState() != Core::CORE_UNINITIALIZED)
+		Core::Stop();
+
+	SCoreStartupParameter& StartUp = SConfig::GetInstance().m_LocalCoreStartupParameter;
+
+	StartUp.m_BootType = SCoreStartupParameter::BOOT_ISO;
+	StartUp.m_strFilename = filename;
+	SConfig::GetInstance().m_LastFilename = filename;
+	StartUp.bRunCompareClient = false;
+	StartUp.bRunCompareServer = false;
+
+	// If for example the ISO file is bad we return here
+	if (!StartUp.AutoSetup(SCoreStartupParameter::BOOT_DEFAULT)) return 1;
+
+	// Load game specific settings
+	IniFile game_ini;
+	std::string unique_id = StartUp.GetUniqueID();
 	StartUp.m_strGameIni = std::string(File::GetUserPath(D_GAMECONFIG_IDX)) + unique_id + ".ini";
-	if (unique_id.size() == 6 && game_ini.Load(StartUp.m_strGameIni.c_str()))
-	{
-		// General settings
-		game_ini.Get("Core", "CPUOnThread",			&StartUp.bCPUThread, StartUp.bCPUThread);
-		game_ini.Get("Core", "SkipIdle",			&StartUp.bSkipIdle, StartUp.bSkipIdle);
-		game_ini.Get("Core", "EnableFPRF",			&StartUp.bEnableFPRF, StartUp.bEnableFPRF);
-		game_ini.Get("Core", "TLBHack",				&StartUp.iTLBHack, StartUp.iTLBHack);
-		// Wii settings
-		if (StartUp.bWii)
-		{
-			// Flush possible changes to SYSCONF to file
-			SConfig::GetInstance().m_SYSCONF->Save();
-		}
-	} 
-
-	if (!Core::Init())
-		return 1;
-
-	Core::SetState(Core::CORE_RUN);
-
-	CallRegisteredLuaFunctions(LUACALL_ONSTART);
-    return 0;
-}
-
-DEFINE_LUA_FUNCTION(emulua_getframecount, "")
-{
-	lua_pushinteger(L, (lua_Integer)Frame::g_frameCounter);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(emulua_getlagcount, "")
-{
-	lua_pushinteger(L, (lua_Integer)Frame::g_lagCounter);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(emulua_lagged, "")
-{
-	lua_pushboolean(L, !Frame::g_bPolled);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(emulua_emulating, "")
-{
-	lua_pushboolean(L, Core::isRunning());
-	return 1;
-}
-
-DEFINE_LUA_FUNCTION(emulua_atframeboundary, "")
-{
-	lua_pushboolean(L, true);
-	return 1;
-}
-
-DEFINE_LUA_FUNCTION(movie_getlength, "")
-{
-	lua_pushinteger(L, Frame::g_recordfd ? (lua_Integer)Frame::g_frameCounter : 0);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(movie_isactive, "")
-{
-	lua_pushboolean(L, Frame::g_recordfd != NULL);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(movie_rerecordcount, "")
-{
-	lua_pushinteger(L, Frame::g_recordfd ? (lua_Integer)Frame::g_numRerecords : 0);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(movie_setrerecordcount, "")
-{
-	Frame::g_numRerecords = (int)luaL_checkinteger(L, 1);
-	return 0;
-}
-DEFINE_LUA_FUNCTION(emulua_rerecordcounting, "[enabled]")
-{
-	LuaContextInfo& info = GetCurrentInfo();
-	if(lua_gettop(L) == 0)
-	{
-		// if no arguments given, return the current value
-		lua_pushboolean(L, !info.rerecordCountingDisabled);
-		return 1;
-	}
-	else
-	{
-		// set rerecord disabling
-		info.rerecordCountingDisabled = !lua_toboolean(L,1);
-		return 0;
-	}
-}
-DEFINE_LUA_FUNCTION(movie_getreadonly, "")
-{
-	// We don't support read-only rerecords
-	lua_pushboolean(L, 0);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(movie_setreadonly, "readonly")
-{
-	// We don't support read-only rerecords
-	luaL_error(L, "movie.setreadonly failed: No such feature");
-	return 0;
-}
-DEFINE_LUA_FUNCTION(movie_isrecording, "")
-{
-	lua_pushboolean(L, Frame::g_playMode == Frame::MODE_RECORDING);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(movie_isplaying, "")
-{
-	lua_pushboolean(L, Frame::g_playMode == Frame::MODE_PLAYING);
-	return 1;
-}
-DEFINE_LUA_FUNCTION(movie_getmode, "")
-{
-	switch(Frame::g_playMode)
-	{
-	case Frame::MODE_PLAYING:
-		lua_pushstring(L, "playback");
-		break;
-	case Frame::MODE_RECORDING:
-		lua_pushstring(L, "record");
-		break;
-	case Frame::MODE_NONE:
-		lua_pushstring(L, "finished");
-		break;
-	default:
-		lua_pushnil(L);
-		break;
-	}
-	return 1;
-}
-DEFINE_LUA_FUNCTION(movie_getname, "")
-{
-	lua_pushstring(L, Frame::g_recordFile.c_str());
-	return 1;
-}
-// movie.play() -- plays a movie of the user's choice
-// movie.play(filename) -- starts playing a particular movie
-// throws an error (with a description) if for whatever reason the movie couldn't be played
-DEFINE_LUA_FUNCTION(movie_play, "[filename]")
-{
-	const char* filename = lua_isstring(L,1) ? lua_tostring(L,1) : NULL;
-	if(!Frame::PlayInput(filename))
-		luaL_error(L, "ERROR playing rereecording");
-    return 0;
-} 
-DEFINE_LUA_FUNCTION(movie_replay, "")
-{
-	if(Frame::g_recordfd) {
-		std::string filename = Frame::g_recordFile;
-		Frame::EndPlayInput();
-		Frame::PlayInput(filename.c_str());
-	} else
-		luaL_error(L, "it is invalid to call movie.replay when no movie open.");
-    return 0;
-} 
-DEFINE_LUA_FUNCTION(movie_close, "")
-{
-	Frame::EndPlayInput();
-	return 0;
-}
-
-DEFINE_LUA_FUNCTION(sound_clear, "")
-{
-	CPluginManager::GetInstance().GetDSP()->DSP_ClearAudioBuffer();
-	return 0;
-}
-
-// input.get()
-// takes no input, returns a lua table of entries representing the current input state,
-// independent of the joypad buttons the emulated game thinks are pressed
-// for example:
-//   if the user is holding the W key and the left mouse button
-//   and has the mouse at the bottom-right corner of the game screen,
-//   then this would return {W=true, leftclick=true, xmouse=319, ymouse=223}
-DEFINE_LUA_FUNCTION(input_getcurrentinputstatus, "")
-{
-	lua_newtable(L);
-
-	// TODO: Use pad plugin's input
-/*
-	// keyboard and mouse button status
-	{
-		unsigned char keys [256];
-		if(!BackgroundInput)
-		{
-			if(GetKeyboardState(keys))
-			{
-				for(int i = 1; i < 255; i++)
-				{
-					int mask = (i == VK_CAPITAL || i == VK_NUMLOCK || i == VK_SCROLL) ? 0x01 : 0x80;
-					if(keys[i] & mask)
-					{
-						const char* name = s_keyToName[i];
-						if(name)
-						{
-							lua_pushboolean(L, true);
-							lua_setfield(L, -2, name);
-						}
-					}
-				}
-			}
-		}
-		else // use a slightly different method that will detect background input:
-		{
-			for(int i = 1; i < 255; i++)
-			{
-				const char* name = s_keyToName[i];
-				if(name)
-				{
-					int active;
-					if(i == VK_CAPITAL || i == VK_NUMLOCK || i == VK_SCROLL)
-						active = GetKeyState(i) & 0x01;
-					else
-						active = GetAsyncKeyState(i) & 0x8000;
-					if(active)
-					{
-						lua_pushboolean(L, true);
-						lua_setfield(L, -2, name);
-					}
-				}
-			}
-		}
-	}
-	// mouse position in game screen pixel coordinates
-	{
-		//void UnscaleScreenCoords(s32& x, s32& y);
-		//void ToDSScreenRelativeCoords(s32& x, s32& y, bool bottomScreen);
-
-		POINT point;
-		GetCursorPos(&point);
-		ScreenToClient((HWND)Core::g_CoreStartupParameter.hMainWindow, &point);
-		s32 x (point.x);
-		s32 y (point.y);
-
-		//TODO:
-		//UnscaleScreenCoords(x,y);
-		//ToDSScreenRelativeCoords(x,y,false);
-
-		lua_pushinteger(L, x);
-		lua_setfield(L, -2, "xmouse");
-		lua_pushinteger(L, y);
-		lua_setfield(L, -2, "ymouse");
-	}
-*/
-
-	return 1;
-}
-
-
-// resets our "worry" counter of the Lua state
-int dontworry(LuaContextInfo& info)
-{
-	if(info.stopWorrying)
-	{
-		info.stopWorrying = false;
-		if(info.worryCount)
-			indicateBusy(info.L, false);
-	}
-	info.worryCount = 0;
-	return 0;
-}
-
-static const struct luaL_reg emulualib [] =
-{
-	{"frameadvance", emulua_frameadvance},
-//	{"speedmode", emulua_speedmode},
-	{"wait", emulua_wait},
-	{"pause", emulua_pause},
-	{"unpause", emulua_unpause},
-//	{"emulateframe", emulua_emulateframe},
-//	{"emulateframefast", emulua_emulateframefast},
-//	{"emulateframeinvisible", emulua_emulateframeinvisible},
-	{"redraw", emulua_redraw},
-	{"framecount", emulua_getframecount},
-	{"lagcount", emulua_getlagcount},
-	{"lagged", emulua_lagged},
-	{"emulating", emulua_emulating},
-	{"atframeboundary", emulua_atframeboundary},
-	{"registerbefore", emulua_registerbefore},
-	{"registerafter", emulua_registerafter},
-	{"registerstart", emulua_registerstart},
-	{"registerexit", emulua_registerexit},
-	{"persistglobalvariables", emulua_persistglobalvariables},
-	{"message", emulua_message},
-	{"print", print}, // sure, why not
-//	{"openscript", emulua_openscript},
-	{"loadrom", emulua_loadrom},
-	// alternative names
-	{"openrom", emulua_loadrom},
-	{NULL, NULL}
-};
-static const struct luaL_reg guilib [] =
-{
-	{"register", gui_register},
-//	{"text", gui_text},
-//	{"box", gui_box},
-//	{"line", gui_line},
-//	{"pixel", gui_pixel},
-//	{"getpixel", gui_getpixel},
-//	{"opacity", gui_setopacity},
-//	{"transparency", gui_settransparency},
-	{"popup", gui_popup},
-	{"parsecolor", gui_parsecolor},
-//	{"gdscreenshot", gui_gdscreenshot},
-//	{"gdoverlay", gui_gdoverlay},
-	{"redraw", emulua_redraw}, // some people might think of this as more of a GUI function
-	// alternative names
-//	{"drawtext", gui_text},
-//	{"drawbox", gui_box},
-//	{"drawline", gui_line},
-//	{"drawpixel", gui_pixel},
-//	{"setpixel", gui_pixel},
-//	{"writepixel", gui_pixel},
-//	{"readpixel", gui_getpixel},
-//	{"rect", gui_box},
-//	{"drawrect", gui_box},
-//	{"drawimage", gui_gdoverlay},
-//	{"image", gui_gdoverlay},
-	{NULL, NULL}
-};
-static const struct luaL_reg statelib [] =
-{
-	{"create", state_create},
-	{"save", state_save},
-	{"load", state_load},
-	{"loadscriptdata", state_loadscriptdata},
-	{"savescriptdata", state_savescriptdata},
-	{"registersave", state_registersave},
-	{"registerload", state_registerload},
-	{NULL, NULL}
-};
-static const struct luaL_reg memorylib [] =
-{
-	{"readbyte", memory_readbyte},
-	{"readbytesigned", memory_readbytesigned},
-	{"readword", memory_readword},
-	{"readwordsigned", memory_readwordsigned},
-	{"readdword", memory_readdword},
-	{"readdwordsigned", memory_readdwordsigned},
-	{"readbyterange", memory_readbyterange},
-	{"writebyte", memory_writebyte},
-	{"writeword", memory_writeword},
-	{"writedword", memory_writedword},
-	{"isvalid", memory_isvalid},
-	{"getregister", memory_getregister},
-	{"setregister", memory_setregister},
-	// alternate naming scheme for word and double-word and unsigned
-	{"readbyteunsigned", memory_readbyte},
-	{"readwordunsigned", memory_readword},
-	{"readdwordunsigned", memory_readdword},
-	{"readshort", memory_readword},
-	{"readshortunsigned", memory_readword},
-	{"readshortsigned", memory_readwordsigned},
-	{"readlong", memory_readdword},
-	{"readlongunsigned", memory_readdword},
-	{"readlongsigned", memory_readdwordsigned},
-	{"readlonglongunsigned", memory_readqword},
-	{"readlonglongsigned", memory_readqwordsigned},
-	{"writeshort", memory_writeword},
-	{"writelong", memory_writedword},
-	{"writelonglong", memory_writeqword},
-
-	// memory hooks
-	{"registerwrite", memory_registerwrite},
-	{"registerread", memory_registerread},
-	{"registerexec", memory_registerexec},
-	// alternate names
-	{"register", memory_registerwrite},
-	{"registerrun", memory_registerexec},
-	{"registerexecute", memory_registerexec},
-
-	{NULL, NULL}
-};
-static const struct luaL_reg joylib [] =
-{
-	//{"get", joy_get},
-	//{"getdown", joy_getdown},
-	//{"getup", joy_getup},
-	//{"peek", joy_peek},
-	//{"peekdown", joy_peekdown},
-	//{"peekup", joy_peekup},
-	//{"set", joy_set},
-	//// alternative names
-	//{"read", joy_get},
-	//{"write", joy_set},
-	//{"readdown", joy_getdown},
-	//{"readup", joy_getup},
-	{NULL, NULL}
-};
-static const struct luaL_reg inputlib [] =
-{
-	{"get", input_getcurrentinputstatus},
-	{"registerhotkey", input_registerhotkey},
-	{"popup", input_popup},
-	// alternative names
-	{"read", input_getcurrentinputstatus},
-	{NULL, NULL}
-};
-static const struct luaL_reg movielib [] =
-{
-	{"active", movie_isactive},
-	{"recording", movie_isrecording},
-	{"playing", movie_isplaying},
-	{"mode", movie_getmode},
-
-	{"length", movie_getlength},
-	{"name", movie_getname},
-	{"rerecordcount", movie_rerecordcount},
-	{"setrerecordcount", movie_setrerecordcount},
-
-	{"rerecordcounting", emulua_rerecordcounting},
-	{"readonly", movie_getreadonly},
-	{"setreadonly", movie_setreadonly},
-	{"framecount", emulua_getframecount}, // for those familiar with other emulators that have movie.framecount() instead of emulatorname.framecount()
-
-	{"play", movie_play},
-	{"replay", movie_replay},
-	{"stop", movie_close},
-
-	// alternative names
-	{"open", movie_play},
-	{"close", movie_close},
-	{"getname", movie_getname},
-	{"playback", movie_play},
-	{"getreadonly", movie_getreadonly},
-	{NULL, NULL}
-};
-static const struct luaL_reg soundlib [] =
-{
-	{"clear", sound_clear},
-	{NULL, NULL}
-};
-
-static const struct CFuncInfo
-{
-	const char* library;
-	const char* name;
-	const char* args;
-	bool registry;
-}
-cFuncInfo [] = // this info is stored here to avoid having to change all of Lua's libraries to use something like DEFINE_LUA_FUNCTION
-{
-	{LUA_STRLIBNAME, "byte", "str[,start[,end]]"},
-	{LUA_STRLIBNAME, "char", "...[bytes]"},
-	{LUA_STRLIBNAME, "dump", "func"},
-	{LUA_STRLIBNAME, "find", "str,pattern[,init[,plain]]"},
-	{LUA_STRLIBNAME, "format", "formatstring,..."},
-	{LUA_STRLIBNAME, "gfind", "!deprecated!"},
-	{LUA_STRLIBNAME, "gmatch", "str,pattern"},
-	{LUA_STRLIBNAME, "gsub", "str,pattern,repl[,n]"},
-	{LUA_STRLIBNAME, "len", "str"},
-	{LUA_STRLIBNAME, "lower", "str"},
-	{LUA_STRLIBNAME, "match", "str,pattern[,init]"},
-	{LUA_STRLIBNAME, "rep", "str,n"},
-	{LUA_STRLIBNAME, "reverse", "str"},
-	{LUA_STRLIBNAME, "sub", "str,start[,end]"},
-	{LUA_STRLIBNAME, "upper", "str"},
-	{NULL, "module", "name[,...]"},
-	{NULL, "require", "modname"},
-	{LUA_LOADLIBNAME, "loadlib", "libname,funcname"},
-	{LUA_LOADLIBNAME, "seeall", "module"},
-	{LUA_COLIBNAME, "create", "func"},
-	{LUA_COLIBNAME, "resume", "co[,val1,...]"},
-	{LUA_COLIBNAME, "running", ""},
-	{LUA_COLIBNAME, "status", "co"},
-	{LUA_COLIBNAME, "wrap", "func"},
-	{LUA_COLIBNAME, "yield", "..."},
-	{NULL, "assert", "cond[,message]"},
-	{NULL, "collectgarbage", "opt[,arg]"},
-	{NULL, "gcinfo", ""},
-	{NULL, "dofile", "filename"},
-	{NULL, "error", "message[,level]"},
-	{NULL, "getfenv", "[level_or_func]"},
-	{NULL, "getmetatable", "object"},
-	{NULL, "ipairs", "arraytable"},
-	{NULL, "load", "func[,chunkname]"},
-	{NULL, "loadfile", "[filename]"},
-	{NULL, "loadstring", "str[,chunkname]"},
-	{NULL, "next", "table[,index]"},
-	{NULL, "pairs", "table"},
-	{NULL, "pcall", "func,arg1,..."},
-	{NULL, "rawequal", "v1,v2"},
-	{NULL, "rawget", "table,index"},
-	{NULL, "rawset", "table,index,value"},
-	{NULL, "select", "index,..."},
-	{NULL, "setfenv", "level_or_func,envtable"},
-	{NULL, "setmetatable", "table,metatable"},
-	{NULL, "tonumber", "str_or_num[,base]"},
-	{NULL, "type", "obj"},
-	{NULL, "unpack", "list[,i=1[,j=#list]]"},
-	{NULL, "xpcall", "func,errhandler"},
-	{NULL, "newproxy", "hasmeta"},
-	{LUA_MATHLIBNAME, "abs", "x"},
-	{LUA_MATHLIBNAME, "acos", "x"},
-	{LUA_MATHLIBNAME, "asin", "x"},
-	{LUA_MATHLIBNAME, "atan", "x"},
-	{LUA_MATHLIBNAME, "atan2", "y,x"},
-	{LUA_MATHLIBNAME, "ceil", "x"},
-	{LUA_MATHLIBNAME, "cos", "rads"},
-	{LUA_MATHLIBNAME, "cosh", "x"},
-	{LUA_MATHLIBNAME, "deg", "rads"},
-	{LUA_MATHLIBNAME, "exp", "x"},
-	{LUA_MATHLIBNAME, "floor", "x"},
-	{LUA_MATHLIBNAME, "fmod", "x,y"},
-	{LUA_MATHLIBNAME, "frexp", "x"},
-	{LUA_MATHLIBNAME, "ldexp", "m,e"},
-	{LUA_MATHLIBNAME, "log", "x"},
-	{LUA_MATHLIBNAME, "log10", "x"},
-	{LUA_MATHLIBNAME, "max", "x,..."},
-	{LUA_MATHLIBNAME, "min", "x,..."},
-	{LUA_MATHLIBNAME, "modf", "x"},
-	{LUA_MATHLIBNAME, "pow", "x,y"},
-	{LUA_MATHLIBNAME, "rad", "degs"},
-	{LUA_MATHLIBNAME, "random", "[m[,n]]"},
-	{LUA_MATHLIBNAME, "randomseed", "x"},
-	{LUA_MATHLIBNAME, "sin", "rads"},
-	{LUA_MATHLIBNAME, "sinh", "x"},
-	{LUA_MATHLIBNAME, "sqrt", "x"},
-	{LUA_MATHLIBNAME, "tan", "rads"},
-	{LUA_MATHLIBNAME, "tanh", "x"},
-	{LUA_IOLIBNAME, "close", "[file]"},
-	{LUA_IOLIBNAME, "flush", ""},
-	{LUA_IOLIBNAME, "input", "[file]"},
-	{LUA_IOLIBNAME, "lines", "[filename]"},
-	{LUA_IOLIBNAME, "open", "filename[,mode=\"r\"]"},
-	{LUA_IOLIBNAME, "output", "[file]"},
-	{LUA_IOLIBNAME, "popen", "prog,[model]"},
-	{LUA_IOLIBNAME, "read", "..."},
-	{LUA_IOLIBNAME, "tmpfile", ""},
-	{LUA_IOLIBNAME, "type", "obj"},
-	{LUA_IOLIBNAME, "write", "..."},
-	{LUA_OSLIBNAME, "clock", ""},
-	{LUA_OSLIBNAME, "date", "[format[,time]]"},
-	{LUA_OSLIBNAME, "difftime", "t2,t1"},
-	{LUA_OSLIBNAME, "execute", "[command]"},
-	{LUA_OSLIBNAME, "exit", "[code]"},
-	{LUA_OSLIBNAME, "getenv", "varname"},
-	{LUA_OSLIBNAME, "remove", "filename"},
-	{LUA_OSLIBNAME, "rename", "oldname,newname"},
-	{LUA_OSLIBNAME, "setlocale", "locale[,category]"},
-	{LUA_OSLIBNAME, "time", "[timetable]"},
-	{LUA_OSLIBNAME, "tmpname", ""},
-	{LUA_DBLIBNAME, "debug", ""},
-	{LUA_DBLIBNAME, "getfenv", "o"},
-	{LUA_DBLIBNAME, "gethook", "[thread]"},
-	{LUA_DBLIBNAME, "getinfo", "[thread,]function[,what]"},
-	{LUA_DBLIBNAME, "getlocal", "[thread,]level,local"},
-	{LUA_DBLIBNAME, "getmetatable", "[object]"},
-	{LUA_DBLIBNAME, "getregistry", ""},
-	{LUA_DBLIBNAME, "getupvalue", "func,up"},
-	{LUA_DBLIBNAME, "setfenv", "object,table"},
-	{LUA_DBLIBNAME, "sethook", "[thread,]hook,mask[,count]"},
-	{LUA_DBLIBNAME, "setlocal", "[thread,]level,local,value"},
-	{LUA_DBLIBNAME, "setmetatable", "object,table"},
-	{LUA_DBLIBNAME, "setupvalue", "func,up,value"},
-	{LUA_DBLIBNAME, "traceback", "[thread,][message][,level]"},
-	{LUA_TABLIBNAME, "concat", "table[,sep[,i[,j]]]"},
-	{LUA_TABLIBNAME, "insert", "table,[pos,]value"},
-	{LUA_TABLIBNAME, "maxn", "table"},
-	{LUA_TABLIBNAME, "remove", "table[,pos]"},
-	{LUA_TABLIBNAME, "sort", "table[,comp]"},
-	{LUA_TABLIBNAME, "foreach", "table,func"},
-	{LUA_TABLIBNAME, "foreachi", "table,func"},
-	{LUA_TABLIBNAME, "getn", "table"},
-	{LUA_TABLIBNAME, "maxn", "table"},
-	{LUA_TABLIBNAME, "setn", "table,value"}, // I know some of these are obsolete but they should still have argument info if they're exposed to the user
-	{LUA_FILEHANDLE, "setvbuf", "mode[,size]", true},
-	{LUA_FILEHANDLE, "lines", "", true},
-	{LUA_FILEHANDLE, "read", "...", true},
-	{LUA_FILEHANDLE, "flush", "", true},
-	{LUA_FILEHANDLE, "seek", "[whence][,offset]", true},
-	{LUA_FILEHANDLE, "write", "...", true},
-	{LUA_FILEHANDLE, "__tostring", "obj", true},
-	{LUA_FILEHANDLE, "__gc", "", true},
-	{"_LOADLIB", "__gc", "", true},
-};
-
-void registerLibs(lua_State* L)
-{
-	luaL_openlibs(L);
-
-	luaL_register(L, "emu", emulualib); // added for better cross-emulator compatibility
-	luaL_register(L, "emulua", emulualib); // kept for backward compatibility
-	luaL_register(L, "gui", guilib);
-	luaL_register(L, "savestate", statelib);
-	luaL_register(L, "memory", memorylib);
-	luaL_register(L, "joypad", joylib); // for game input
-	luaL_register(L, "input", inputlib); // for user input
-	luaL_register(L, "movie", movielib);
-	luaL_register(L, "sound", soundlib);
-	lua_settop(L, 0); // clean the stack, because each call to luaL_register leaves a table on top
-	
-	// register a few utility functions outside of libraries (in the global namespace)
-	lua_register(L, "print", print);
-	lua_register(L, "tostring", tostring);
-	lua_register(L, "addressof", addressof);
-	lua_register(L, "copytable", copytable);
-	lua_register(L, "AND", _bitand);
-	lua_register(L, "OR", _bitor);
-	lua_register(L, "XOR", bitxor);
-	lua_register(L, "SHIFT", bitshift);
-	lua_register(L, "BIT", bitbit);
-
-	// populate s_cFuncInfoMap the first time
-	static bool once = true;
-	if(once)
-	{
-		once = false;
-
-		for(int i = 0; i < sizeof(cFuncInfo)/sizeof(*cFuncInfo); i++)
-		{
-			const CFuncInfo& cfi = cFuncInfo[i];
-			if(cfi.registry)
-			{
-				lua_getregistry(L);
-				lua_getfield(L, -1, cfi.library);
-				lua_remove(L, -2);
-				lua_getfield(L, -1, cfi.name);
-				lua_remove(L, -2);
-			}
-			else if(cfi.library)
-			{
-				lua_getfield(L, LUA_GLOBALSINDEX, cfi.library);
-				lua_getfield(L, -1, cfi.name);
-				lua_remove(L, -2);
-			}
-			else
-			{
-				lua_getfield(L, LUA_GLOBALSINDEX, cfi.name);
-			}
-
-			lua_CFunction func = lua_tocfunction(L, -1);
-			s_cFuncInfoMap[func] = cfi.args;
-			lua_pop(L, 1);
-		}
-
-		// deal with some stragglers
-		lua_getfield(L, LUA_GLOBALSINDEX, "package");
-		lua_getfield(L, -1, "loaders");
-		lua_remove(L, -2);
-		if(lua_istable(L, -1))
-		{
-			for(int i=1;;i++)
-			{
-				lua_rawgeti(L, -1, i);
-				lua_CFunction func = lua_tocfunction(L, -1);
-				lua_pop(L,1);
-				if(!func)
-					break;
-				s_cFuncInfoMap[func] = "name";
-			}
-		}
-		lua_pop(L,1);
-	}
-
-	// push arrays for storing hook functions in
-	for(int i = 0; i < LUAMEMHOOK_COUNT; i++)
-	{
-		lua_newtable(L);
-		lua_setfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[i]);
-	}
-}
-
-void ResetInfo(LuaContextInfo& info)
-{
-	info.L = NULL;
-	info.started = false;
-	info.running = false;
-	info.returned = false;
-	info.crashed = false;
-	info.restart = false;
-	info.restartLater = false;
-	info.worryCount = 0;
-	info.stopWorrying = false;
-	info.panic = false;
-	info.ranExit = false;
-	info.numDeferredGUIFuncs = 0;
-	info.ranFrameAdvance = false;
-	info.transparencyModifier = 255;
-	info.speedMode = SPEEDMODE_NORMAL;
-	info.guiFuncsNeedDeferring = false;
-	info.dataSaveKey = 0;
-	info.dataLoadKey = 0;
-	info.dataSaveLoadKeySet = false;
-	info.rerecordCountingDisabled = false;
-	info.numMemHooks = 0;
-	info.persistVars.clear();
-	info.newDefaultData.ClearRecords();
-}
-
-void OpenLuaContext(int uid, void(*print)(int uid, const char* str), void(*onstart)(int uid), void(*onstop)(int uid, bool statusOK))
-{
-	LuaContextInfo* newInfo = new LuaContextInfo();
-	ResetInfo(*newInfo);
-	newInfo->print = print;
-	newInfo->onstart = onstart;
-	newInfo->onstop = onstop;
-	luaContextInfo[uid] = newInfo;
-}
-
-void RunLuaScriptFile(int uid, const char* filenameCStr)
-{
-	if(luaContextInfo.find(uid) == luaContextInfo.end())
-		return;
-	StopLuaScript(uid);
-
-	LuaContextInfo& info = *luaContextInfo[uid];
-
-#ifdef USE_INFO_STACK
-	infoStack.insert(infoStack.begin(), &info);
-	struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope; // doing it like this makes sure that the info stack gets cleaned up even if an exception is thrown
-#endif
-
-	info.nextFilename = filenameCStr;
-
-	if(info.running)
-	{
-		// it's a little complicated, but... the call to luaL_dofile below
-		// could call a C function that calls this very function again
-		// additionally, if that happened then the above call to StopLuaScript
-		// probably couldn't stop the script yet, so instead of continuing,
-		// we'll set a flag that tells the first call of this function to loop again
-		// when the script is able to stop safely
-		info.restart = true;
-		return;
-	}
-
-	do
-	{
-		std::string filename = info.nextFilename;
-
-		lua_State* L = lua_open();
-#ifndef USE_INFO_STACK
-		luaStateToContextMap[L] = &info;
-#endif
-		luaStateToUIDMap[L] = uid;
-		ResetInfo(info);
-		info.L = L;
-		info.guiFuncsNeedDeferring = true;
-		info.lastFilename = filename;
-
-		SetSaveKey(info, FilenameFromPath(filename.c_str()));
-		info.dataSaveLoadKeySet = false;
-
-		registerLibs(L);
-
-		// register a function to periodically check for inactivity
-		lua_sethook(L, LuaRescueHook, LUA_MASKCOUNT, HOOKCOUNT);
-
-		// deferred evaluation table
-		lua_newtable(L);
-		lua_setfield(L, LUA_REGISTRYINDEX, deferredGUIIDString);
-
-		info.started = true;
-		RefreshScriptStartedStatus();
-		if(info.onstart)
-			info.onstart(uid);
-		info.running = true;
-		RefreshScriptSpeedStatus();
-		info.returned = false;
-		int errorcode = luaL_dofile(L,filename.c_str());
-		info.running = false;
-		RefreshScriptSpeedStatus();
-		info.returned = true;
-
-		if (errorcode)
-		{
-			info.crashed = true;
-			if(info.print)
-			{
-				info.print(uid, lua_tostring(L,-1));
-				info.print(uid, "\r\n");
-			}
-			else
-			{
-				fprintf(stderr, "%s\n", lua_tostring(L,-1));
-			}
-			StopLuaScript(uid);
-		}
-		else
-		{
-			StopScriptIfFinished(uid, true);
-		}
-	} while(info.restart);
-}
-
-void StopScriptIfFinished(int uid, bool justReturned)
-{
-	LuaContextInfo& info = *luaContextInfo[uid];
-	if(!info.returned)
-		return;
-
-	// the script has returned, but it is not necessarily done running
-	// because it may have registered a function that it expects to keep getting called
-	// so check if it has any registered functions and stop the script only if it doesn't
-
-	bool keepAlive = (info.numMemHooks != 0);
-	for(int calltype = 0; calltype < LUACALL_COUNT && !keepAlive; calltype++)
-	{
-		lua_State* L = info.L;
-		if(L)
-		{
-			const char* idstring = luaCallIDStrings[calltype];
-			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
-			bool isFunction = lua_isfunction(L, -1);
-			lua_pop(L, 1);
-
-			if(isFunction)
-				keepAlive = true;
-		}
-	}
-
-	if(keepAlive)
-	{
-		if(justReturned)
-		{
-			if(info.print)
-				info.print(uid, "script returned but is still running registered functions\r\n");
-			else
-				fprintf(stderr, "%s\n", "script returned but is still running registered functions");
-		}
-	}
-	else
-	{
-		if(!info.print)
-			fprintf(stderr, "%s\n", "script finished running");
-
-		StopLuaScript(uid);
-	}
-}
-
-void RequestAbortLuaScript(int uid, const char* message)
-{
-	if(luaContextInfo.find(uid) == luaContextInfo.end())
-		return;
-	LuaContextInfo& info = *luaContextInfo[uid];
-	lua_State* L = info.L;
-	if(L)
-	{
-		// this probably isn't the right way to do it
-		// but calling luaL_error here is positively unsafe
-		// (it seemingly works fine but sometimes corrupts the emulation state in colorful ways)
-		// and this works pretty well and is definitely safe, so screw it
-		info.L->hookcount = 1; // run hook function as soon as possible
-		info.panic = true; // and call luaL_error once we're inside the hook function
-		if(message)
-		{
-			strncpy(info.panicMessage, message, sizeof(info.panicMessage));
-			info.panicMessage[sizeof(info.panicMessage)-1] = 0;
-		}
-		else
-		{
-			// attach file/line info because this is the case where it's most necessary to see that,
-			// and often it won't be possible for the later luaL_error call to retrieve it otherwise.
-			// this means sometimes printing multiple file/line numbers if luaL_error does find something,
-			// but that's fine since more information is probably better anyway.
-			luaL_where(L,0); // should be 0 and not 1 here to get useful (on force stop) messages
-			const char* whereString = lua_tostring(L,-1);
-			snprintf(info.panicMessage, sizeof(info.panicMessage), "%sscript terminated", whereString);
-			lua_pop(L,1);
-		}
-	}
-}
-
-void SetSaveKey(LuaContextInfo& info, const char* key)
-{
-	info.dataSaveKey = crc32(0, (const unsigned char*)key, (int)strlen(key));
-
-	if(!info.dataSaveLoadKeySet)
-	{
-		info.dataLoadKey = info.dataSaveKey;
-		info.dataSaveLoadKeySet = true;
-	}
-}
-void SetLoadKey(LuaContextInfo& info, const char* key)
-{
-	info.dataLoadKey = crc32(0, (const unsigned char*)key, (int)strlen(key));
-
-	if(!info.dataSaveLoadKeySet)
-	{
-		info.dataSaveKey = info.dataLoadKey;
-		info.dataSaveLoadKeySet = true;
-	}
-}
-
-void HandleCallbackError(lua_State* L, LuaContextInfo& info, int uid, bool stopScript)
-{
-	info.crashed = true;
-	if(L->errfunc || L->errorJmp)
-		luaL_error(L, lua_tostring(L,-1));
-	else
-	{
-		if(info.print)
-		{
-			info.print(uid, lua_tostring(L,-1));
-			info.print(uid, "\r\n");
-		}
-		else
-		{
-			fprintf(stderr, "%s\n", lua_tostring(L,-1));
-		}
-		if(stopScript)
-			StopLuaScript(uid);
-	}
-}
-
-void CallExitFunction(int uid)
-{
-	LuaContextInfo& info = *luaContextInfo[uid];
-	lua_State* L = info.L;
-
-	if(!L)
-		return;
-
-	dontworry(info);
-
-	// first call the registered exit function if there is one
-	if(!info.ranExit)
-	{
-		info.ranExit = true;
-
-#ifdef USE_INFO_STACK
-		infoStack.insert(infoStack.begin(), &info);
-		struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
-#endif
-
-		lua_settop(L, 0);
-		lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEXIT]);
-		
-		int errorcode = 0;
-		if (lua_isfunction(L, -1))
-		{
-			bool wasRunning = info.running;
-			info.running = true;
-			RefreshScriptSpeedStatus();
-
-			bool wasPanic = info.panic;
-			info.panic = false; // otherwise we could barely do anything in the exit function
-
-			errorcode = lua_pcall(L, 0, 0, 0);
-
-			info.panic |= wasPanic; // restore panic
-
-			info.running = wasRunning;
-			RefreshScriptSpeedStatus();
-		}
-
-		// save persisted variable info after the exit function runs (even if it crashed)
-		{
-			// gather the final value of the variables we're supposed to persist
-			LuaSaveData newExitData;
-			{
-				int numPersistVars = (int)info.persistVars.size();
-				for(int i = 0; i < numPersistVars; i++)
-				{
-					const char* varName = info.persistVars[i].c_str();
-					lua_getfield(L, LUA_GLOBALSINDEX, varName);
-					int type = lua_type(L,-1);
-					unsigned int varNameCRC = crc32(0, (const unsigned char*)varName, (int)strlen(varName));
-					newExitData.SaveRecordPartial(uid, varNameCRC, -1);
-					lua_pop(L,1);
-				}
-			}
-
-			char path [1024] = {0};
-			char* pathTypeChrPtr = ConstructScriptSaveDataPath(path, 1024, info);
-
-			*pathTypeChrPtr = 'd';
-			if(info.newDefaultData.recordList)
-			{
-				FILE* defaultsFile = fopen(path, "wb");
-				if(defaultsFile)
-				{
-					info.newDefaultData.ExportRecords(defaultsFile);
-					fclose(defaultsFile);
-				}
-			}
-			else unlink(path);
-
-			*pathTypeChrPtr = 'e';
-			if(newExitData.recordList)
-			{
-				FILE* persistFile = fopen(path, "wb");
-				if(persistFile)
-				{
-					newExitData.ExportRecords(persistFile);
-					fclose(persistFile);
-				}
-			}
-			else unlink(path);
-		}
-
-		if (errorcode)
-			HandleCallbackError(L,info,uid,false);
-
-	}
-}
-
-void StopLuaScript(int uid)
-{
-	LuaContextInfo* infoPtr = luaContextInfo[uid];
-	if(!infoPtr)
-		return;
-
-	LuaContextInfo& info = *infoPtr;
-
-	if(info.running)
-	{
-		// if it's currently running then we can't stop it now without crashing
-		// so the best we can do is politely request for it to go kill itself
-		RequestAbortLuaScript(uid);
-		return;
-	}
-
-	lua_State* L = info.L;
-	if(L)
-	{
-		CallExitFunction(uid);
-
-		if(info.onstop)
-		{
-			info.stopWorrying = true, info.worryCount++, dontworry(info); // clear "busy" status
-			info.onstop(uid, !info.crashed); // must happen before closing L and after the exit function, otherwise the final GUI state of the script won't be shown properly or at all
-		}
-
-		if(info.started) // this check is necessary
-		{
-			lua_close(L);
-#ifndef USE_INFO_STACK
-			luaStateToContextMap.erase(L);
-#endif
-			luaStateToUIDMap.erase(L);
-			info.L = NULL;
-			info.started = false;
-			
-			info.numMemHooks = 0;
-			for(int i = 0; i < LUAMEMHOOK_COUNT; i++)
-				CalculateMemHookRegions((LuaMemHookType)i);
-		}
-		RefreshScriptStartedStatus();
-	}
-}
-
-void CloseLuaContext(int uid)
-{
-	StopLuaScript(uid);
-	delete luaContextInfo[uid];
-	luaContextInfo.erase(uid);
-}
-
-
-// the purpose of this structure is to provide a way of
-// QUICKLY determining whether a memory address range has a hook associated with it,
-// with a bias toward fast rejection because the majority of addresses will not be hooked.
-// (it must not use any part of Lua or perform any per-script operations,
-//  otherwise it would definitely be too slow.)
-// calculating the regions when a hook is added/removed may be slow,
-// but this is an intentional tradeoff to obtain a high speed of checking during later execution
-struct TieredRegion
-{
-	template<unsigned int maxGap>
-	struct Region
-	{
-		struct Island
-		{
-			unsigned int start;
-			unsigned int end;
-			__forceinline bool Contains(unsigned int address, int size) const { return address < end && address+size > start; }
-		};
-		std::vector<Island> islands;
-
-		void Calculate(const std::vector<unsigned int>& bytes)
-		{
-			islands.clear();
-
-			unsigned int lastEnd = ~0;
-
-			std::vector<unsigned int>::const_iterator iter = bytes.begin();
-			std::vector<unsigned int>::const_iterator end = bytes.end();
-			for(; iter != end; ++iter)
-			{
-				unsigned int addr = *iter;
-				if(addr < lastEnd || addr > lastEnd + (long long)maxGap)
-				{
-					islands.push_back(Island());
-					islands.back().start = addr;
-				}
-				islands.back().end = addr+1;
-				lastEnd = addr+1;
-			}
-		}
-
-		bool Contains(unsigned int address, int size) const
-		{
-			typename std::vector<Island>::const_iterator iter = islands.begin();
-			typename std::vector<Island>::const_iterator end = islands.end();
-			for(; iter != end; ++iter)
-				if(iter->Contains(address, size))
-					return true;
-			return false;
-		}
-	};
-
-	Region<0xFFFFFFFF> broad;
-	Region<0x1000> mid;
-	Region<0> narrow;
-
-	void Calculate(std::vector<unsigned int>& bytes)
-	{
-		std::sort(bytes.begin(), bytes.end());
-
-		broad.Calculate(bytes);
-		mid.Calculate(bytes);
-		narrow.Calculate(bytes);
-	}
-
-	TieredRegion()
-	{
-		std::vector<unsigned int> bytes;
-		Calculate(bytes);
-		// GCC didn't like the old style
-		// Calculate(std::vector<unsigned int>());
-	}
-
-	__forceinline int NotEmpty()
-	{
-		return (int)broad.islands.size();
-	}
-
-	// note: it is illegal to call this if NotEmpty() returns 0
-	__forceinline bool Contains(unsigned int address, int size)
-	{
-		return broad.islands[0].Contains(address,size) &&
-		       mid.Contains(address,size) &&
-			   narrow.Contains(address,size);
-	}
-};
-TieredRegion hookedRegions [LUAMEMHOOK_COUNT];
-
-
-static void CalculateMemHookRegions(LuaMemHookType hookType)
-{
-	std::vector<unsigned int> hookedBytes;
-	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		LuaContextInfo& info = *iter->second;
-		if(info.numMemHooks)
-		{
-			lua_State* L = info.L;
-			if(L)
-			{
-				lua_settop(L, 0);
-				lua_getfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[hookType]);
-				lua_pushnil(L);
-				while(lua_next(L, -2))
-				{
-					if(lua_isfunction(L, -1))
-					{
-						unsigned int addr = (int)lua_tointeger(L, -2);
-						hookedBytes.push_back(addr);
-					}
-					lua_pop(L, 1);
-				}
-				lua_settop(L, 0);
-			}
-		}
-		++iter;
-	}
-	hookedRegions[hookType].Calculate(hookedBytes);
-}
-
-
-
-
-
-static void CallRegisteredLuaMemHook_LuaMatch(unsigned int address, int size, unsigned int value, LuaMemHookType hookType)
-{
-	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		LuaContextInfo& info = *iter->second;
-		if(info.numMemHooks)
-		{
-			lua_State* L = info.L;
-			if(L && !info.panic)
-			{
-#ifdef USE_INFO_STACK
-				infoStack.insert(infoStack.begin(), &info);
-				struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
-#endif
-				lua_settop(L, 0);
-				lua_getfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[hookType]);
-				for(int i = address; i != address+size; i++)
-				{
-					lua_rawgeti(L, -1, i);
-					if (lua_isfunction(L, -1))
-					{
-						bool wasRunning = info.running;
-						info.running = true;
-						RefreshScriptSpeedStatus();
-						lua_pushinteger(L, address);
-						lua_pushinteger(L, size);
-						int errorcode = lua_pcall(L, 2, 0, 0);
-						info.running = wasRunning;
-						RefreshScriptSpeedStatus();
-						if (errorcode)
-						{
-							int uid = iter->first;
-							HandleCallbackError(L,info,uid,true);
-						}
-						break;
-					}
-					else
-					{
-						lua_pop(L,1);
-					}
-				}
-				lua_settop(L, 0);
-			}
-		}
-		++iter;
-	}
-}
-void CallRegisteredLuaMemHook(unsigned int address, int size, unsigned int value, LuaMemHookType hookType)
-{
-	// performance critical! (called VERY frequently)
-	// I suggest timing a large number of calls to this function in Release if you change anything in here,
-	// before and after, because even the most innocent change can make it become 30% to 400% slower.
-	// a good amount to test is: 100000000 calls with no hook set, and another 100000000 with a hook set.
-	// (on my system that consistently took 200 ms total in the former case and 350 ms total in the latter case)
-	if(hookedRegions[hookType].NotEmpty())
-	{
-		if((hookType <= LUAMEMHOOK_EXEC) && (address >= 0xE00000))
-			address |= 0xFF0000; // account for mirroring of RAM
-		if(hookedRegions[hookType].Contains(address, size))
-			CallRegisteredLuaMemHook_LuaMatch(address, size, value, hookType); // something has hooked this specific address
-	}
-}
-
-
-
-void CallRegisteredLuaFunctions(LuaCallID calltype)
-{
-	assert((unsigned int)calltype < (unsigned int)LUACALL_COUNT);
-	const char* idstring = luaCallIDStrings[calltype];
-
-	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		int uid = iter->first;
-		LuaContextInfo& info = *iter->second;
-		lua_State* L = info.L;
-		if(L && (!info.panic || calltype == LUACALL_BEFOREEXIT))
-		{
-#ifdef USE_INFO_STACK
-			infoStack.insert(infoStack.begin(), &info);
-			struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
-#endif
-			// handle deferred GUI function calls and disabling deferring when unnecessary
-			if(calltype == LUACALL_AFTEREMULATIONGUI || calltype == LUACALL_AFTEREMULATION)
-				info.guiFuncsNeedDeferring = false;
-			if(calltype == LUACALL_AFTEREMULATIONGUI)
-				CallDeferredFunctions(L, deferredGUIIDString);
-
-			lua_settop(L, 0);
-			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
-			
-			if (lua_isfunction(L, -1))
-			{
-				bool wasRunning = info.running;
-				info.running = true;
-				RefreshScriptSpeedStatus();
-				int errorcode = lua_pcall(L, 0, 0, 0);
-				info.running = wasRunning;
-				RefreshScriptSpeedStatus();
-				if (errorcode)
-					HandleCallbackError(L,info,uid,true);
-			}
-			else
-			{
-				lua_pop(L, 1);
-			}
-
-			info.guiFuncsNeedDeferring = true;
-		}
-
-		++iter;
-	}
-}
-
-void CallRegisteredLuaSaveFunctions(int savestateNumber, LuaSaveData& saveData)
-{
-	const char* idstring = luaCallIDStrings[LUACALL_BEFORESAVE];
-
-	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		int uid = iter->first;
-		LuaContextInfo& info = *iter->second;
-		lua_State* L = info.L;
-		if(L)
-		{
-#ifdef USE_INFO_STACK
-			infoStack.insert(infoStack.begin(), &info);
-			struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
-#endif
-
-			lua_settop(L, 0);
-			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
-			
-			if (lua_isfunction(L, -1))
-			{
-				bool wasRunning = info.running;
-				info.running = true;
-				RefreshScriptSpeedStatus();
-				lua_pushinteger(L, savestateNumber);
-				int errorcode = lua_pcall(L, 1, LUA_MULTRET, 0);
-				info.running = wasRunning;
-				RefreshScriptSpeedStatus();
-				if (errorcode)
-					HandleCallbackError(L,info,uid,true);
-				saveData.SaveRecord(uid, info.dataSaveKey);
-			}
-			else
-			{
-				lua_pop(L, 1);
-			}
-		}
-
-		++iter;
-	}
-}
-
-
-void CallRegisteredLuaLoadFunctions(int savestateNumber, const LuaSaveData& saveData)
-{
-	const char* idstring = luaCallIDStrings[LUACALL_AFTERLOAD];
-
-	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		int uid = iter->first;
-		LuaContextInfo& info = *iter->second;
-		lua_State* L = info.L;
-		if(L)
-		{
-#ifdef USE_INFO_STACK
-			infoStack.insert(infoStack.begin(), &info);
-			struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
-#endif
-
-			lua_settop(L, 0);
-			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
-			
-			if (lua_isfunction(L, -1))
-			{
-				bool wasRunning = info.running;
-				info.running = true;
-				RefreshScriptSpeedStatus();
-
-				// since the scriptdata can be very expensive to load
-				// (e.g. the registered save function returned some huge tables)
-				// check the number of parameters the registered load function expects
-				// and don't bother loading the parameters it wouldn't receive anyway
-				int numParamsExpected = (L->top - 1)->value.gc->cl.l.p->numparams;
-				if(numParamsExpected) numParamsExpected--; // minus one for the savestate number we always pass in
-
-				int prevGarbage = lua_gc(L, LUA_GCCOUNT, 0);
-
-				lua_pushinteger(L, savestateNumber);
-				saveData.LoadRecord(uid, info.dataLoadKey, numParamsExpected);
-				int n = lua_gettop(L) - 1;
-
-				int errorcode = lua_pcall(L, n, 0, 0);
-				info.running = wasRunning;
-				RefreshScriptSpeedStatus();
-				if (errorcode)
-					HandleCallbackError(L,info,uid,true);
-				else
-				{
-					int newGarbage = lua_gc(L, LUA_GCCOUNT, 0);
-					if(newGarbage - prevGarbage > 50)
-					{
-						// now seems to be a very good time to run the garbage collector
-						// it might take a while now but that's better than taking 10 whiles 9 loads from now
-						lua_gc(L, LUA_GCCOLLECT, 0);
-					}
-				}
-			}
-			else
-			{
-				lua_pop(L, 1);
-			}
-		}
-
-		++iter;
-	}
-}
-
-static const unsigned char* s_dbg_dataStart = NULL;
-static int s_dbg_dataSize = 0;
-
-
-// can't remember what the best way of doing this is...
-#if defined(i386) || defined(__i386) || defined(__i386__) || defined(M_I86) || defined(_M_IX86)
-	#define IS_LITTLE_ENDIAN
-#endif
-
-// push a value's bytes onto the output stack
-template<typename T>
-void PushBinaryItem(T item, std::vector<unsigned char>& output)
-{
-	unsigned char* buf = (unsigned char*)&item;
-#ifdef IS_LITTLE_ENDIAN
-	for(int i = sizeof(T); i; i--)
-		output.push_back(*buf++);
-#else
-	int vecsize = (int)output.size();
-	for(int i = sizeof(T); i; i--)
-		output.insert(output.begin() + vecsize, *buf++);
-#endif
-}
-// read a value from the byte stream and advance the stream by its size
-template<typename T>
-T AdvanceByteStream(const unsigned char*& data, unsigned int& remaining)
-{
-#ifdef IS_LITTLE_ENDIAN
-	T rv = *(T*)data;
-	data += sizeof(T);
-#else
-	T rv; unsigned char* rvptr = (unsigned char*)&rv;
-	for(int i = sizeof(T)-1; i>=0; i--)
-		rvptr[i] = *data++;
-#endif
-	remaining -= sizeof(T);
-	return rv;
-}
-// advance the byte stream by a certain size without reading a value
-void AdvanceByteStream(const unsigned char*& data, unsigned int& remaining, int amount)
-{
-	data += amount;
-	remaining -= amount;
-}
-
-#define LUAEXT_TLONG		30 // 0x1E // 4-byte signed integer
-#define LUAEXT_TUSHORT		31 // 0x1F // 2-byte unsigned integer
-#define LUAEXT_TSHORT		32 // 0x20 // 2-byte signed integer
-#define LUAEXT_TBYTE		33 // 0x21 // 1-byte unsigned integer
-#define LUAEXT_TNILS		34 // 0x22 // multiple nils represented by a 4-byte integer (warning: becomes multiple stack entities)
-#define LUAEXT_TTABLE		0x40 // 0x40 through 0x4F // tables of different sizes:
-#define LUAEXT_BITS_1A		0x01 // size of array part fits in a 1-byte unsigned integer
-#define LUAEXT_BITS_2A		0x02 // size of array part fits in a 2-byte unsigned integer
-#define LUAEXT_BITS_4A		0x03 // size of array part fits in a 4-byte unsigned integer
-#define LUAEXT_BITS_1H		0x04 // size of hash part fits in a 1-byte unsigned integer
-#define LUAEXT_BITS_2H		0x08 // size of hash part fits in a 2-byte unsigned integer
-#define LUAEXT_BITS_4H		0x0C // size of hash part fits in a 4-byte unsigned integer
-#define BITMATCH(x,y) (((x) & (y)) == (y))
-
-static void PushNils(std::vector<unsigned char>& output, int& nilcount)
-{
-	int count = nilcount;
-	nilcount = 0;
-
-	static const int minNilsWorthEncoding = 6; // because a LUAEXT_TNILS entry is 5 bytes
-
-	if(count < minNilsWorthEncoding)
-	{
-		for(int i = 0; i < count; i++)
-			output.push_back(LUA_TNIL);
-	}
-	else
-	{
-		output.push_back(LUAEXT_TNILS);
-		PushBinaryItem<u32>(count, output);
-	}
-}
-
-
-static void LuaStackToBinaryConverter(lua_State* L, int i, std::vector<unsigned char>& output)
-{
-	int type = lua_type(L, i);
-
-	// the first byte of every serialized item says what Lua type it is
-	output.push_back(type & 0xFF);
-
-	switch(type)
-	{
-		default:
-			{
-				//printf("wrote unknown type %d (0x%x)\n", type, type);	
-				//assert(0);
-
-				LuaContextInfo& info = GetCurrentInfo();
-				if(info.print)
-				{
-					char errmsg [1024];
-					sprintf(errmsg, "values of type \"%s\" are not allowed to be returned from registered save functions.\r\n", luaL_typename(L,i));
-					info.print(luaStateToUIDMap[L], errmsg);
-				}
-				else
-				{
-					fprintf(stderr, "values of type \"%s\" are not allowed to be returned from registered save functions.\n", luaL_typename(L,i));
-				}
-			}
-			break;
-		case LUA_TNIL:
-			// no information necessary beyond the type
-			break;
-		case LUA_TBOOLEAN:
-			// serialize as 0 or 1
-			output.push_back(lua_toboolean(L,i));
-			break;
-		case LUA_TSTRING:
-			// serialize as a 0-terminated string of characters
-			{
-				const char* str = lua_tostring(L,i);
-				while(*str)
-					output.push_back(*str++);
-				output.push_back('\0');
-			}
-			break;
-		case LUA_TNUMBER:
-			{
-				double num = (double)lua_tonumber(L,i);
-				s32 inum = (s32)lua_tointeger(L,i);
-				if(num != inum)
-				{
-					PushBinaryItem(num, output);
-				}
-				else
-				{
-					if((inum & ~0xFF) == 0)
-						type = LUAEXT_TBYTE;
-					else if((u16)(inum & 0xFFFF) == inum)
-						type = LUAEXT_TUSHORT;
-					else if((s16)(inum & 0xFFFF) == inum)
-						type = LUAEXT_TSHORT;
-					else
-						type = LUAEXT_TLONG;
-					output.back() = type;
-					switch(type)
-					{
-					case LUAEXT_TLONG:
-						PushBinaryItem<s32>(inum, output);
-						break;
-					case LUAEXT_TUSHORT:
-						PushBinaryItem<u16>(inum, output);
-						break;
-					case LUAEXT_TSHORT:
-						PushBinaryItem<s16>(inum, output);
-						break;
-					case LUAEXT_TBYTE:
-						output.push_back(inum);
-						break;
-					}
-				}
-			}
-			break;
-		case LUA_TTABLE:
-			// serialize as a type that describes how many bytes are used for
-			// storing the counts, followed by the number of array entries if
-			// any, then the number of hash entries if any, then a Lua value
-			// per array entry, then a (key,value) pair of Lua values per
-			// hashed entry note that the structure of table references are not
-			// faithfully serialized (yet)
-		{
-			int outputTypeIndex = (int)output.size() - 1;
-			int arraySize = 0;
-			int hashSize = 0;
-
-			if(lua_checkstack(L, 4) && std::find(s_tableAddressStack.begin(), s_tableAddressStack.end(), lua_topointer(L,i)) == s_tableAddressStack.end())
-			{
-				s_tableAddressStack.push_back(lua_topointer(L,i));
-				struct Scope { ~Scope(){ s_tableAddressStack.pop_back(); } } scope;
-
-				bool wasnil = false;
-				int nilcount = 0;
-				arraySize = (int)lua_objlen(L, i);
-				int arrayValIndex = lua_gettop(L) + 1;
-				for(int j = 1; j <= arraySize; j++)
-				{
-			        lua_rawgeti(L, i, j);
-					bool isnil = lua_isnil(L, arrayValIndex);
-					if(isnil)
-						nilcount++;
-					else
-					{
-						if(wasnil)
-							PushNils(output, nilcount);
-						LuaStackToBinaryConverter(L, arrayValIndex, output);
-					}
-					lua_pop(L, 1);
-					wasnil = isnil;
-				}
-				if(wasnil)
-					PushNils(output, nilcount);
-
-				if(arraySize)
-					lua_pushinteger(L, arraySize); // before first key
-				else
-					lua_pushnil(L); // before first key
-
-				int keyIndex = lua_gettop(L);
-				int valueIndex = keyIndex + 1;
-				while(lua_next(L, i))
-				{
-					assert(lua_type(L, keyIndex) && "nil key in Lua table, impossible");
-					assert(lua_type(L, valueIndex) && "nil value in Lua table, impossible");
-					LuaStackToBinaryConverter(L, keyIndex, output);
-					LuaStackToBinaryConverter(L, valueIndex, output);
-					lua_pop(L, 1);
-					hashSize++;
-				}
-			}
-
-			int outputType = LUAEXT_TTABLE;
-			if(arraySize & 0xFFFF0000)
-				outputType |= LUAEXT_BITS_4A;
-			else if(arraySize & 0xFF00)
-				outputType |= LUAEXT_BITS_2A;
-			else if(arraySize & 0xFF)
-				outputType |= LUAEXT_BITS_1A;
-			if(hashSize & 0xFFFF0000)
-				outputType |= LUAEXT_BITS_4H;
-			else if(hashSize & 0xFF00)
-				outputType |= LUAEXT_BITS_2H;
-			else if(hashSize & 0xFF)
-				outputType |= LUAEXT_BITS_1H;
-			output[outputTypeIndex] = outputType;
-
-			int insertIndex = outputTypeIndex;
-			if(BITMATCH(outputType,LUAEXT_BITS_4A) || BITMATCH(outputType,LUAEXT_BITS_2A) || BITMATCH(outputType,LUAEXT_BITS_1A))
-				output.insert(output.begin() + (++insertIndex), arraySize & 0xFF);
-			if(BITMATCH(outputType,LUAEXT_BITS_4A) || BITMATCH(outputType,LUAEXT_BITS_2A))
-				output.insert(output.begin() + (++insertIndex), (arraySize & 0xFF00) >> 8);
-			if(BITMATCH(outputType,LUAEXT_BITS_4A))
-				output.insert(output.begin() + (++insertIndex), (arraySize & 0x00FF0000) >> 16),
-				output.insert(output.begin() + (++insertIndex), (arraySize & 0xFF000000) >> 24);
-			if(BITMATCH(outputType,LUAEXT_BITS_4H) || BITMATCH(outputType,LUAEXT_BITS_2H) || BITMATCH(outputType,LUAEXT_BITS_1H))
-				output.insert(output.begin() + (++insertIndex), hashSize & 0xFF);
-			if(BITMATCH(outputType,LUAEXT_BITS_4H) || BITMATCH(outputType,LUAEXT_BITS_2H))
-				output.insert(output.begin() + (++insertIndex), (hashSize & 0xFF00) >> 8);
-			if(BITMATCH(outputType,LUAEXT_BITS_4H))
-				output.insert(output.begin() + (++insertIndex), (hashSize & 0x00FF0000) >> 16),
-				output.insert(output.begin() + (++insertIndex), (hashSize & 0xFF000000) >> 24);
-
-		}	break;
-	}
-}
-
-
-// complements LuaStackToBinaryConverter
-void BinaryToLuaStackConverter(lua_State* L, const unsigned char*& data, unsigned int& remaining)
-{
-	assert(s_dbg_dataSize - (data - s_dbg_dataStart) == remaining);
-
-	unsigned char type = AdvanceByteStream<unsigned char>(data, remaining);
-
-	switch(type)
-	{
-		default:
-			{
-				//printf("read unknown type %d (0x%x)\n", type, type);
-				//assert(0);
-
-				LuaContextInfo& info = GetCurrentInfo();
-				if(info.print)
-				{
-					char errmsg [1024];
-					if(type <= 10 && type != LUA_TTABLE)
-						sprintf(errmsg, "values of type \"%s\" are not allowed to be loaded into registered load functions. The save state's Lua save data file might be corrupted.\r\n", lua_typename(L,type));
-					else
-						sprintf(errmsg, "The save state's Lua save data file seems to be corrupted.\r\n");
-					info.print(luaStateToUIDMap[L], errmsg);
-				}
-				else
-				{
-					if(type <= 10 && type != LUA_TTABLE)
-						fprintf(stderr, "values of type \"%s\" are not allowed to be loaded into registered load functions. The save state's Lua save data file might be corrupted.\n", lua_typename(L,type));
-					else
-						fprintf(stderr, "The save state's Lua save data file seems to be corrupted.\n");
-				}
-			}
-			break;
-		case LUA_TNIL:
-			lua_pushnil(L);
-			break;
-		case LUA_TBOOLEAN:
-			lua_pushboolean(L, AdvanceByteStream<u8>(data, remaining));
-			break;
-		case LUA_TSTRING:
-			lua_pushstring(L, (const char*)data);
-			AdvanceByteStream(data, remaining, (int)strlen((const char*)data) + 1);
-			break;
-		case LUA_TNUMBER:
-			lua_pushnumber(L, AdvanceByteStream<double>(data, remaining));
-			break;
-		case LUAEXT_TLONG:
-			lua_pushinteger(L, AdvanceByteStream<s32>(data, remaining));
-			break;
-		case LUAEXT_TUSHORT:
-			lua_pushinteger(L, AdvanceByteStream<u16>(data, remaining));
-			break;
-		case LUAEXT_TSHORT:
-			lua_pushinteger(L, AdvanceByteStream<s16>(data, remaining));
-			break;
-		case LUAEXT_TBYTE:
-			lua_pushinteger(L, AdvanceByteStream<u8>(data, remaining));
-			break;
-		case LUAEXT_TTABLE:
-		case LUAEXT_TTABLE | LUAEXT_BITS_1A:
-		case LUAEXT_TTABLE | LUAEXT_BITS_2A:
-		case LUAEXT_TTABLE | LUAEXT_BITS_4A:
-		case LUAEXT_TTABLE | LUAEXT_BITS_1H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_2H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_4H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_1A | LUAEXT_BITS_1H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_2A | LUAEXT_BITS_1H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_4A | LUAEXT_BITS_1H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_1A | LUAEXT_BITS_2H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_2A | LUAEXT_BITS_2H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_4A | LUAEXT_BITS_2H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_1A | LUAEXT_BITS_4H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_2A | LUAEXT_BITS_4H:
-		case LUAEXT_TTABLE | LUAEXT_BITS_4A | LUAEXT_BITS_4H:
-			{
-				unsigned int arraySize = 0;
-				if(BITMATCH(type,LUAEXT_BITS_4A) || BITMATCH(type,LUAEXT_BITS_2A) || BITMATCH(type,LUAEXT_BITS_1A))
-					arraySize |= AdvanceByteStream<u8>(data, remaining);
-				if(BITMATCH(type,LUAEXT_BITS_4A) || BITMATCH(type,LUAEXT_BITS_2A))
-					arraySize |= ((u16)AdvanceByteStream<u8>(data, remaining)) << 8;
-				if(BITMATCH(type,LUAEXT_BITS_4A))
-					arraySize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 16,
-					arraySize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 24;
-
-				unsigned int hashSize = 0;
-				if(BITMATCH(type,LUAEXT_BITS_4H) || BITMATCH(type,LUAEXT_BITS_2H) || BITMATCH(type,LUAEXT_BITS_1H))
-					hashSize |= AdvanceByteStream<u8>(data, remaining);
-				if(BITMATCH(type,LUAEXT_BITS_4H) || BITMATCH(type,LUAEXT_BITS_2H))
-					hashSize |= ((u16)AdvanceByteStream<u8>(data, remaining)) << 8;
-				if(BITMATCH(type,LUAEXT_BITS_4H))
-					hashSize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 16,
-					hashSize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 24;
-
-				lua_createtable(L, arraySize, hashSize);
-
-				unsigned int n = 1;
-				while(n <= arraySize)
-				{
-					if(*data == LUAEXT_TNILS)
-					{
-						AdvanceByteStream(data, remaining, 1);
-						n += AdvanceByteStream<u32>(data, remaining);
-					}
-					else
-					{
-						BinaryToLuaStackConverter(L, data, remaining); // push value
-						lua_rawseti(L, -2, n); // table[n] = value
-						n++;
-					}
-				}
-
-				for(unsigned int h = 1; h <= hashSize; h++)
-				{
-					BinaryToLuaStackConverter(L, data, remaining); // push key
-					BinaryToLuaStackConverter(L, data, remaining); // push value
-					lua_rawset(L, -3); // table[key] = value
-				}
-			}
-			break;
-	}
-}
-
-static const unsigned char luaBinaryMajorVersion = 9;
-static const unsigned char luaBinaryMinorVersion = 1;
-
-unsigned char* LuaStackToBinary(lua_State* L, unsigned int& size)
-{
-	int n = lua_gettop(L);
-	if(n == 0)
-		return NULL;
-
-	std::vector<unsigned char> output;
-	output.push_back(luaBinaryMajorVersion);
-	output.push_back(luaBinaryMinorVersion);
-
-	for(int i = 1; i <= n; i++)
-		LuaStackToBinaryConverter(L, i, output);
-
-	unsigned char* rv = new unsigned char [output.size()];
-	memcpy(rv, &output.front(), output.size());
-	size = (int)output.size();
-	return rv;
-}
-
-void BinaryToLuaStack(lua_State* L, const unsigned char* data, unsigned int size, unsigned int itemsToLoad)
-{
-	unsigned char major = *data++;
-	unsigned char minor = *data++;
-	size -= 2;
-	if(luaBinaryMajorVersion != major || luaBinaryMinorVersion != minor)
-		return;
-
-	while(size > 0 && itemsToLoad > 0)
-	{
-		BinaryToLuaStackConverter(L, data, size);
-		itemsToLoad--;
-	}
-}
-
-// saves Lua stack into a record and pops it
-void LuaSaveData::SaveRecord(int uid, unsigned int key)
-{
-	LuaContextInfo& info = *luaContextInfo[uid];
-	lua_State* L = info.L;
-	if(!L)
-		return;
-
-	Record* cur = new Record();
-	cur->key = key;
-	cur->data = LuaStackToBinary(L, cur->size);
-	cur->next = NULL;
-
-	lua_settop(L,0);
-
-	if(cur->size <= 0)
-	{
-		delete cur;
-		return;
-	}
-
-	Record* last = recordList;
-	while(last && last->next)
-		last = last->next;
-	if(last)
-		last->next = cur;
-	else
-		recordList = cur;
-}
-
-// pushes a record's data onto the Lua stack
-void LuaSaveData::LoadRecord(int uid, unsigned int key, unsigned int itemsToLoad) const
-{
-	LuaContextInfo& info = *luaContextInfo[uid];
-	lua_State* L = info.L;
-	if(!L)
-		return;
-
-	Record* cur = recordList;
-	while(cur)
-	{
-		if(cur->key == key)
-		{
-			s_dbg_dataStart = cur->data;
-			s_dbg_dataSize = cur->size;
-			BinaryToLuaStack(L, cur->data, cur->size, itemsToLoad);
-			return;
-		}
-		cur = cur->next;
-	}
-}
-
-// saves part of the Lua stack (at the given index) into a record and does NOT pop anything
-void LuaSaveData::SaveRecordPartial(int uid, unsigned int key, int idx)
-{
-	LuaContextInfo& info = *luaContextInfo[uid];
-	lua_State* L = info.L;
-	if(!L)
-		return;
-
-	if(idx < 0)
-		idx += lua_gettop(L)+1;
-
-	Record* cur = new Record();
-	cur->key = key;
-	cur->next = NULL;
-
-	if(idx <= lua_gettop(L))
-	{
-		std::vector<unsigned char> output;
-		output.push_back(luaBinaryMajorVersion);
-		output.push_back(luaBinaryMinorVersion);
-
-		LuaStackToBinaryConverter(L, idx, output);
-
-		unsigned char* rv = new unsigned char [output.size()];
-		memcpy(rv, &output.front(), output.size());
-		cur->size = (int)output.size();
-		cur->data = rv;
-	}
-
-	if(cur->size <= 0)
-	{
-		delete cur;
-		return;
-	}
-
-	Record* last = recordList;
-	while(last && last->next)
-		last = last->next;
-	if(last)
-		last->next = cur;
-	else
-		recordList = cur;
-}
-
-void fwriteint(unsigned int value, FILE* file)
-{
-	for(int i=0;i<4;i++)
-	{
-		int w = value & 0xFF;
-		fwrite(&w, 1, 1, file);
-		value >>= 8;
-	}
-}
-void freadint(unsigned int& value, FILE* file)
-{
-	int rv = 0;
-	for(int i=0;i<4;i++)
-	{
-		int r = 0;
-		fread(&r, 1, 1, file);
-		rv |= r << (i*8);
-	}
-	value = rv;
-}
-
-// writes all records to an already-open file
-void LuaSaveData::ExportRecords(void* fileV) const
-{
-	FILE* file = (FILE*)fileV;
-	if(!file)
-		return;
-
-	Record* cur = recordList;
-	while(cur)
-	{
-		fwriteint(cur->key, file);
-		fwriteint(cur->size, file);
-		fwrite(cur->data, cur->size, 1, file);
-		cur = cur->next;
-	}
-}
-
-// reads records from an already-open file
-void LuaSaveData::ImportRecords(void* fileV)
-{
-	FILE* file = (FILE*)fileV;
-	if(!file)
-		return;
-
-	ClearRecords();
-
-	Record rec;
-	Record* cur = &rec;
-	Record* last = NULL;
-	while(1)
-	{
-		freadint(cur->key, file);
-		freadint(cur->size, file);
-
-		if(feof(file) || ferror(file))
-			break;
-
-		cur->data = new unsigned char [cur->size];
-		fread(cur->data, cur->size, 1, file);
-
-		Record* next = new Record();
-		memcpy(next, cur, sizeof(Record));
-		next->next = NULL;
-
-		if(last)
-			last->next = next;
-		else
-			recordList = next;
-		last = next;
-	}
-}
-
-void LuaSaveData::ClearRecords()
-{
-	Record* cur = recordList;
-	while(cur)
-	{
-		Record* del = cur;
-		cur = cur->next;
-
-		delete[] del->data;
-		delete del;
-	}
-
-	recordList = NULL;
-}
-
-
-
-void DontWorryLua() // everything's going to be OK
-{
-	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		dontworry(*iter->second);
-		++iter;
-	}
-}
-
-void EnableStopAllLuaScripts(bool enable)
-{
-	g_stopAllScriptsEnabled = enable;
-}
-
-void StopAllLuaScripts()
-{
-	if(!g_stopAllScriptsEnabled)
-		return;
-
-	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		int uid = iter->first;
-		LuaContextInfo& info = *iter->second;
-		bool wasStarted = info.started;
-		StopLuaScript(uid);
-		info.restartLater = wasStarted;
-		++iter;
-	}
-}
-
-void RestartAllLuaScripts()
-{
-	if(!g_stopAllScriptsEnabled)
-		return;
-
-	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		int uid = iter->first;
-		LuaContextInfo& info = *iter->second;
-		if(info.restartLater || info.started)
-		{
-			info.restartLater = false;
-			RunLuaScriptFile(uid, info.lastFilename.c_str());
-		}
-		++iter;
-	}
-}
-
-// sets anything that needs to depend on the total number of scripts running
-void RefreshScriptStartedStatus()
-{
-	int numScriptsStarted = 0;
-
-	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		LuaContextInfo& info = *iter->second;
-		if(info.started)
-			numScriptsStarted++;
-		++iter;
-	}
-
-	frameadvSkipLagForceDisable = (numScriptsStarted != 0); // disable while scripts are running because currently lag skipping makes lua callbacks get called twice per frame advance
-	g_numScriptsStarted = numScriptsStarted;
-}
-
-// sets anything that needs to depend on speed mode or running status of scripts
-void RefreshScriptSpeedStatus()
-{
-	g_anyScriptsHighSpeed = false;
-
-	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
-	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
-	while(iter != end)
-	{
-		LuaContextInfo& info = *iter->second;
-		if(info.running)
-			if(info.speedMode == SPEEDMODE_TURBO || info.speedMode == SPEEDMODE_MAXIMUM)
-				g_anyScriptsHighSpeed = true;
-		++iter;
-	}
-}
-
-
-
-};
+	if (unique_id.size() == 6 && game_ini.Load(StartUp.m_strGameIni.c_str()))
+	{
+		// General settings
+		game_ini.Get("Core", "CPUOnThread",			&StartUp.bCPUThread, StartUp.bCPUThread);
+		game_ini.Get("Core", "SkipIdle",			&StartUp.bSkipIdle, StartUp.bSkipIdle);
+		game_ini.Get("Core", "EnableFPRF",			&StartUp.bEnableFPRF, StartUp.bEnableFPRF);
+		game_ini.Get("Core", "TLBHack",				&StartUp.iTLBHack, StartUp.iTLBHack);
+		// Wii settings
+		if (StartUp.bWii)
+		{
+			// Flush possible changes to SYSCONF to file
+			SConfig::GetInstance().m_SYSCONF->Save();
+		}
+	} 
+
+	if (!Core::Init())
+		return 1;
+
+	Core::SetState(Core::CORE_RUN);
+
+	CallRegisteredLuaFunctions(LUACALL_ONSTART);
+    return 0;
+}
+
+DEFINE_LUA_FUNCTION(emulua_getframecount, "")
+{
+	lua_pushinteger(L, (lua_Integer)Frame::g_frameCounter);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(emulua_getlagcount, "")
+{
+	lua_pushinteger(L, (lua_Integer)Frame::g_lagCounter);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(emulua_lagged, "")
+{
+	lua_pushboolean(L, !Frame::g_bPolled);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(emulua_emulating, "")
+{
+	lua_pushboolean(L, Core::isRunning());
+	return 1;
+}
+
+DEFINE_LUA_FUNCTION(emulua_atframeboundary, "")
+{
+	lua_pushboolean(L, true);
+	return 1;
+}
+
+DEFINE_LUA_FUNCTION(movie_getlength, "")
+{
+	lua_pushinteger(L, Frame::g_recordfd ? (lua_Integer)Frame::g_frameCounter : 0);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(movie_isactive, "")
+{
+	lua_pushboolean(L, Frame::g_recordfd != NULL);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(movie_rerecordcount, "")
+{
+	lua_pushinteger(L, Frame::g_recordfd ? (lua_Integer)Frame::g_numRerecords : 0);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(movie_setrerecordcount, "")
+{
+	Frame::g_numRerecords = (int)luaL_checkinteger(L, 1);
+	return 0;
+}
+DEFINE_LUA_FUNCTION(emulua_rerecordcounting, "[enabled]")
+{
+	LuaContextInfo& info = GetCurrentInfo();
+	if(lua_gettop(L) == 0)
+	{
+		// if no arguments given, return the current value
+		lua_pushboolean(L, !info.rerecordCountingDisabled);
+		return 1;
+	}
+	else
+	{
+		// set rerecord disabling
+		info.rerecordCountingDisabled = !lua_toboolean(L,1);
+		return 0;
+	}
+}
+DEFINE_LUA_FUNCTION(movie_getreadonly, "")
+{
+	// We don't support read-only rerecords
+	lua_pushboolean(L, 0);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(movie_setreadonly, "readonly")
+{
+	// We don't support read-only rerecords
+	luaL_error(L, "movie.setreadonly failed: No such feature");
+	return 0;
+}
+DEFINE_LUA_FUNCTION(movie_isrecording, "")
+{
+	lua_pushboolean(L, Frame::g_playMode == Frame::MODE_RECORDING);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(movie_isplaying, "")
+{
+	lua_pushboolean(L, Frame::g_playMode == Frame::MODE_PLAYING);
+	return 1;
+}
+DEFINE_LUA_FUNCTION(movie_getmode, "")
+{
+	switch(Frame::g_playMode)
+	{
+	case Frame::MODE_PLAYING:
+		lua_pushstring(L, "playback");
+		break;
+	case Frame::MODE_RECORDING:
+		lua_pushstring(L, "record");
+		break;
+	case Frame::MODE_NONE:
+		lua_pushstring(L, "finished");
+		break;
+	default:
+		lua_pushnil(L);
+		break;
+	}
+	return 1;
+}
+DEFINE_LUA_FUNCTION(movie_getname, "")
+{
+	lua_pushstring(L, Frame::g_recordFile.c_str());
+	return 1;
+}
+// movie.play() -- plays a movie of the user's choice
+// movie.play(filename) -- starts playing a particular movie
+// throws an error (with a description) if for whatever reason the movie couldn't be played
+DEFINE_LUA_FUNCTION(movie_play, "[filename]")
+{
+	const char* filename = lua_isstring(L,1) ? lua_tostring(L,1) : NULL;
+	if(!Frame::PlayInput(filename))
+		luaL_error(L, "ERROR playing rereecording");
+    return 0;
+} 
+DEFINE_LUA_FUNCTION(movie_replay, "")
+{
+	if(Frame::g_recordfd) {
+		std::string filename = Frame::g_recordFile;
+		Frame::EndPlayInput();
+		Frame::PlayInput(filename.c_str());
+	} else
+		luaL_error(L, "it is invalid to call movie.replay when no movie open.");
+    return 0;
+} 
+DEFINE_LUA_FUNCTION(movie_close, "")
+{
+	Frame::EndPlayInput();
+	return 0;
+}
+
+DEFINE_LUA_FUNCTION(sound_clear, "")
+{
+	if(CPluginManager::GetInstance().GetDSP())
+		CPluginManager::GetInstance().GetDSP()->DSP_ClearAudioBuffer();
+	return 0;
+}
+
+// input.get()
+// takes no input, returns a lua table of entries representing the current input state,
+// independent of the joypad buttons the emulated game thinks are pressed
+// for example:
+//   if the user is holding the W key and the left mouse button
+//   and has the mouse at the bottom-right corner of the game screen,
+//   then this would return {W=true, leftclick=true, xmouse=319, ymouse=223}
+DEFINE_LUA_FUNCTION(input_getcurrentinputstatus, "")
+{
+	lua_newtable(L);
+
+	// TODO: Use pad plugin's input
+/*
+	// keyboard and mouse button status
+	{
+		unsigned char keys [256];
+		if(!BackgroundInput)
+		{
+			if(GetKeyboardState(keys))
+			{
+				for(int i = 1; i < 255; i++)
+				{
+					int mask = (i == VK_CAPITAL || i == VK_NUMLOCK || i == VK_SCROLL) ? 0x01 : 0x80;
+					if(keys[i] & mask)
+					{
+						const char* name = s_keyToName[i];
+						if(name)
+						{
+							lua_pushboolean(L, true);
+							lua_setfield(L, -2, name);
+						}
+					}
+				}
+			}
+		}
+		else // use a slightly different method that will detect background input:
+		{
+			for(int i = 1; i < 255; i++)
+			{
+				const char* name = s_keyToName[i];
+				if(name)
+				{
+					int active;
+					if(i == VK_CAPITAL || i == VK_NUMLOCK || i == VK_SCROLL)
+						active = GetKeyState(i) & 0x01;
+					else
+						active = GetAsyncKeyState(i) & 0x8000;
+					if(active)
+					{
+						lua_pushboolean(L, true);
+						lua_setfield(L, -2, name);
+					}
+				}
+			}
+		}
+	}
+	// mouse position in game screen pixel coordinates
+	{
+		//void UnscaleScreenCoords(s32& x, s32& y);
+		//void ToDSScreenRelativeCoords(s32& x, s32& y, bool bottomScreen);
+
+		POINT point;
+		GetCursorPos(&point);
+		ScreenToClient((HWND)Core::g_CoreStartupParameter.hMainWindow, &point);
+		s32 x (point.x);
+		s32 y (point.y);
+
+		//TODO:
+		//UnscaleScreenCoords(x,y);
+		//ToDSScreenRelativeCoords(x,y,false);
+
+		lua_pushinteger(L, x);
+		lua_setfield(L, -2, "xmouse");
+		lua_pushinteger(L, y);
+		lua_setfield(L, -2, "ymouse");
+	}
+*/
+
+	return 1;
+}
+
+
+// resets our "worry" counter of the Lua state
+int dontworry(LuaContextInfo& info)
+{
+	if(info.stopWorrying)
+	{
+		info.stopWorrying = false;
+		if(info.worryCount)
+			indicateBusy(info.L, false);
+	}
+	info.worryCount = 0;
+	return 0;
+}
+
+static const struct luaL_reg emulualib [] =
+{
+	{"frameadvance", emulua_frameadvance},
+//	{"speedmode", emulua_speedmode},
+	{"wait", emulua_wait},
+	{"pause", emulua_pause},
+	{"unpause", emulua_unpause},
+//	{"emulateframe", emulua_emulateframe},
+//	{"emulateframefast", emulua_emulateframefast},
+//	{"emulateframeinvisible", emulua_emulateframeinvisible},
+	{"redraw", emulua_redraw},
+	{"framecount", emulua_getframecount},
+	{"lagcount", emulua_getlagcount},
+	{"lagged", emulua_lagged},
+	{"emulating", emulua_emulating},
+	{"atframeboundary", emulua_atframeboundary},
+	{"registerbefore", emulua_registerbefore},
+	{"registerafter", emulua_registerafter},
+	{"registerstart", emulua_registerstart},
+	{"registerexit", emulua_registerexit},
+	{"persistglobalvariables", emulua_persistglobalvariables},
+	{"message", emulua_message},
+	{"print", print}, // sure, why not
+//	{"openscript", emulua_openscript},
+	{"loadrom", emulua_loadrom},
+	// alternative names
+	{"openrom", emulua_loadrom},
+	{NULL, NULL}
+};
+static const struct luaL_reg guilib [] =
+{
+	{"register", gui_register},
+//	{"text", gui_text},
+//	{"box", gui_box},
+//	{"line", gui_line},
+//	{"pixel", gui_pixel},
+//	{"getpixel", gui_getpixel},
+//	{"opacity", gui_setopacity},
+//	{"transparency", gui_settransparency},
+	{"popup", gui_popup},
+	{"parsecolor", gui_parsecolor},
+//	{"gdscreenshot", gui_gdscreenshot},
+//	{"gdoverlay", gui_gdoverlay},
+	{"redraw", emulua_redraw}, // some people might think of this as more of a GUI function
+	// alternative names
+//	{"drawtext", gui_text},
+//	{"drawbox", gui_box},
+//	{"drawline", gui_line},
+//	{"drawpixel", gui_pixel},
+//	{"setpixel", gui_pixel},
+//	{"writepixel", gui_pixel},
+//	{"readpixel", gui_getpixel},
+//	{"rect", gui_box},
+//	{"drawrect", gui_box},
+//	{"drawimage", gui_gdoverlay},
+//	{"image", gui_gdoverlay},
+	{NULL, NULL}
+};
+static const struct luaL_reg statelib [] =
+{
+	{"create", state_create},
+	{"save", state_save},
+	{"load", state_load},
+	{"loadscriptdata", state_loadscriptdata},
+	{"savescriptdata", state_savescriptdata},
+	{"registersave", state_registersave},
+	{"registerload", state_registerload},
+	{NULL, NULL}
+};
+static const struct luaL_reg memorylib [] =
+{
+	{"readbyte", memory_readbyte},
+	{"readbytesigned", memory_readbytesigned},
+	{"readword", memory_readword},
+	{"readwordsigned", memory_readwordsigned},
+	{"readdword", memory_readdword},
+	{"readdwordsigned", memory_readdwordsigned},
+	{"readbyterange", memory_readbyterange},
+	{"writebyte", memory_writebyte},
+	{"writeword", memory_writeword},
+	{"writedword", memory_writedword},
+	{"isvalid", memory_isvalid},
+	{"getregister", memory_getregister},
+	{"setregister", memory_setregister},
+	// alternate naming scheme for word and double-word and unsigned
+	{"readbyteunsigned", memory_readbyte},
+	{"readwordunsigned", memory_readword},
+	{"readdwordunsigned", memory_readdword},
+	{"readshort", memory_readword},
+	{"readshortunsigned", memory_readword},
+	{"readshortsigned", memory_readwordsigned},
+	{"readlong", memory_readdword},
+	{"readlongunsigned", memory_readdword},
+	{"readlongsigned", memory_readdwordsigned},
+	{"readlonglongunsigned", memory_readqword},
+	{"readlonglongsigned", memory_readqwordsigned},
+	{"writeshort", memory_writeword},
+	{"writelong", memory_writedword},
+	{"writelonglong", memory_writeqword},
+
+	// memory hooks
+	{"registerwrite", memory_registerwrite},
+	{"registerread", memory_registerread},
+	{"registerexec", memory_registerexec},
+	// alternate names
+	{"register", memory_registerwrite},
+	{"registerrun", memory_registerexec},
+	{"registerexecute", memory_registerexec},
+
+	{NULL, NULL}
+};
+static const struct luaL_reg joylib [] =
+{
+	//{"get", joy_get},
+	//{"getdown", joy_getdown},
+	//{"getup", joy_getup},
+	//{"peek", joy_peek},
+	//{"peekdown", joy_peekdown},
+	//{"peekup", joy_peekup},
+	//{"set", joy_set},
+	//// alternative names
+	//{"read", joy_get},
+	//{"write", joy_set},
+	//{"readdown", joy_getdown},
+	//{"readup", joy_getup},
+	{NULL, NULL}
+};
+static const struct luaL_reg inputlib [] =
+{
+	{"get", input_getcurrentinputstatus},
+	{"registerhotkey", input_registerhotkey},
+	{"popup", input_popup},
+	// alternative names
+	{"read", input_getcurrentinputstatus},
+	{NULL, NULL}
+};
+static const struct luaL_reg movielib [] =
+{
+	{"active", movie_isactive},
+	{"recording", movie_isrecording},
+	{"playing", movie_isplaying},
+	{"mode", movie_getmode},
+
+	{"length", movie_getlength},
+	{"name", movie_getname},
+	{"rerecordcount", movie_rerecordcount},
+	{"setrerecordcount", movie_setrerecordcount},
+
+	{"rerecordcounting", emulua_rerecordcounting},
+	{"readonly", movie_getreadonly},
+	{"setreadonly", movie_setreadonly},
+	{"framecount", emulua_getframecount}, // for those familiar with other emulators that have movie.framecount() instead of emulatorname.framecount()
+
+	{"play", movie_play},
+	{"replay", movie_replay},
+	{"stop", movie_close},
+
+	// alternative names
+	{"open", movie_play},
+	{"close", movie_close},
+	{"getname", movie_getname},
+	{"playback", movie_play},
+	{"getreadonly", movie_getreadonly},
+	{NULL, NULL}
+};
+static const struct luaL_reg soundlib [] =
+{
+	{"clear", sound_clear},
+	{NULL, NULL}
+};
+
+static const struct CFuncInfo
+{
+	const char* library;
+	const char* name;
+	const char* args;
+	bool registry;
+}
+cFuncInfo [] = // this info is stored here to avoid having to change all of Lua's libraries to use something like DEFINE_LUA_FUNCTION
+{
+	{LUA_STRLIBNAME, "byte", "str[,start[,end]]"},
+	{LUA_STRLIBNAME, "char", "...[bytes]"},
+	{LUA_STRLIBNAME, "dump", "func"},
+	{LUA_STRLIBNAME, "find", "str,pattern[,init[,plain]]"},
+	{LUA_STRLIBNAME, "format", "formatstring,..."},
+	{LUA_STRLIBNAME, "gfind", "!deprecated!"},
+	{LUA_STRLIBNAME, "gmatch", "str,pattern"},
+	{LUA_STRLIBNAME, "gsub", "str,pattern,repl[,n]"},
+	{LUA_STRLIBNAME, "len", "str"},
+	{LUA_STRLIBNAME, "lower", "str"},
+	{LUA_STRLIBNAME, "match", "str,pattern[,init]"},
+	{LUA_STRLIBNAME, "rep", "str,n"},
+	{LUA_STRLIBNAME, "reverse", "str"},
+	{LUA_STRLIBNAME, "sub", "str,start[,end]"},
+	{LUA_STRLIBNAME, "upper", "str"},
+	{NULL, "module", "name[,...]"},
+	{NULL, "require", "modname"},
+	{LUA_LOADLIBNAME, "loadlib", "libname,funcname"},
+	{LUA_LOADLIBNAME, "seeall", "module"},
+	{LUA_COLIBNAME, "create", "func"},
+	{LUA_COLIBNAME, "resume", "co[,val1,...]"},
+	{LUA_COLIBNAME, "running", ""},
+	{LUA_COLIBNAME, "status", "co"},
+	{LUA_COLIBNAME, "wrap", "func"},
+	{LUA_COLIBNAME, "yield", "..."},
+	{NULL, "assert", "cond[,message]"},
+	{NULL, "collectgarbage", "opt[,arg]"},
+	{NULL, "gcinfo", ""},
+	{NULL, "dofile", "filename"},
+	{NULL, "error", "message[,level]"},
+	{NULL, "getfenv", "[level_or_func]"},
+	{NULL, "getmetatable", "object"},
+	{NULL, "ipairs", "arraytable"},
+	{NULL, "load", "func[,chunkname]"},
+	{NULL, "loadfile", "[filename]"},
+	{NULL, "loadstring", "str[,chunkname]"},
+	{NULL, "next", "table[,index]"},
+	{NULL, "pairs", "table"},
+	{NULL, "pcall", "func,arg1,..."},
+	{NULL, "rawequal", "v1,v2"},
+	{NULL, "rawget", "table,index"},
+	{NULL, "rawset", "table,index,value"},
+	{NULL, "select", "index,..."},
+	{NULL, "setfenv", "level_or_func,envtable"},
+	{NULL, "setmetatable", "table,metatable"},
+	{NULL, "tonumber", "str_or_num[,base]"},
+	{NULL, "type", "obj"},
+	{NULL, "unpack", "list[,i=1[,j=#list]]"},
+	{NULL, "xpcall", "func,errhandler"},
+	{NULL, "newproxy", "hasmeta"},
+	{LUA_MATHLIBNAME, "abs", "x"},
+	{LUA_MATHLIBNAME, "acos", "x"},
+	{LUA_MATHLIBNAME, "asin", "x"},
+	{LUA_MATHLIBNAME, "atan", "x"},
+	{LUA_MATHLIBNAME, "atan2", "y,x"},
+	{LUA_MATHLIBNAME, "ceil", "x"},
+	{LUA_MATHLIBNAME, "cos", "rads"},
+	{LUA_MATHLIBNAME, "cosh", "x"},
+	{LUA_MATHLIBNAME, "deg", "rads"},
+	{LUA_MATHLIBNAME, "exp", "x"},
+	{LUA_MATHLIBNAME, "floor", "x"},
+	{LUA_MATHLIBNAME, "fmod", "x,y"},
+	{LUA_MATHLIBNAME, "frexp", "x"},
+	{LUA_MATHLIBNAME, "ldexp", "m,e"},
+	{LUA_MATHLIBNAME, "log", "x"},
+	{LUA_MATHLIBNAME, "log10", "x"},
+	{LUA_MATHLIBNAME, "max", "x,..."},
+	{LUA_MATHLIBNAME, "min", "x,..."},
+	{LUA_MATHLIBNAME, "modf", "x"},
+	{LUA_MATHLIBNAME, "pow", "x,y"},
+	{LUA_MATHLIBNAME, "rad", "degs"},
+	{LUA_MATHLIBNAME, "random", "[m[,n]]"},
+	{LUA_MATHLIBNAME, "randomseed", "x"},
+	{LUA_MATHLIBNAME, "sin", "rads"},
+	{LUA_MATHLIBNAME, "sinh", "x"},
+	{LUA_MATHLIBNAME, "sqrt", "x"},
+	{LUA_MATHLIBNAME, "tan", "rads"},
+	{LUA_MATHLIBNAME, "tanh", "x"},
+	{LUA_IOLIBNAME, "close", "[file]"},
+	{LUA_IOLIBNAME, "flush", ""},
+	{LUA_IOLIBNAME, "input", "[file]"},
+	{LUA_IOLIBNAME, "lines", "[filename]"},
+	{LUA_IOLIBNAME, "open", "filename[,mode=\"r\"]"},
+	{LUA_IOLIBNAME, "output", "[file]"},
+	{LUA_IOLIBNAME, "popen", "prog,[model]"},
+	{LUA_IOLIBNAME, "read", "..."},
+	{LUA_IOLIBNAME, "tmpfile", ""},
+	{LUA_IOLIBNAME, "type", "obj"},
+	{LUA_IOLIBNAME, "write", "..."},
+	{LUA_OSLIBNAME, "clock", ""},
+	{LUA_OSLIBNAME, "date", "[format[,time]]"},
+	{LUA_OSLIBNAME, "difftime", "t2,t1"},
+	{LUA_OSLIBNAME, "execute", "[command]"},
+	{LUA_OSLIBNAME, "exit", "[code]"},
+	{LUA_OSLIBNAME, "getenv", "varname"},
+	{LUA_OSLIBNAME, "remove", "filename"},
+	{LUA_OSLIBNAME, "rename", "oldname,newname"},
+	{LUA_OSLIBNAME, "setlocale", "locale[,category]"},
+	{LUA_OSLIBNAME, "time", "[timetable]"},
+	{LUA_OSLIBNAME, "tmpname", ""},
+	{LUA_DBLIBNAME, "debug", ""},
+	{LUA_DBLIBNAME, "getfenv", "o"},
+	{LUA_DBLIBNAME, "gethook", "[thread]"},
+	{LUA_DBLIBNAME, "getinfo", "[thread,]function[,what]"},
+	{LUA_DBLIBNAME, "getlocal", "[thread,]level,local"},
+	{LUA_DBLIBNAME, "getmetatable", "[object]"},
+	{LUA_DBLIBNAME, "getregistry", ""},
+	{LUA_DBLIBNAME, "getupvalue", "func,up"},
+	{LUA_DBLIBNAME, "setfenv", "object,table"},
+	{LUA_DBLIBNAME, "sethook", "[thread,]hook,mask[,count]"},
+	{LUA_DBLIBNAME, "setlocal", "[thread,]level,local,value"},
+	{LUA_DBLIBNAME, "setmetatable", "object,table"},
+	{LUA_DBLIBNAME, "setupvalue", "func,up,value"},
+	{LUA_DBLIBNAME, "traceback", "[thread,][message][,level]"},
+	{LUA_TABLIBNAME, "concat", "table[,sep[,i[,j]]]"},
+	{LUA_TABLIBNAME, "insert", "table,[pos,]value"},
+	{LUA_TABLIBNAME, "maxn", "table"},
+	{LUA_TABLIBNAME, "remove", "table[,pos]"},
+	{LUA_TABLIBNAME, "sort", "table[,comp]"},
+	{LUA_TABLIBNAME, "foreach", "table,func"},
+	{LUA_TABLIBNAME, "foreachi", "table,func"},
+	{LUA_TABLIBNAME, "getn", "table"},
+	{LUA_TABLIBNAME, "maxn", "table"},
+	{LUA_TABLIBNAME, "setn", "table,value"}, // I know some of these are obsolete but they should still have argument info if they're exposed to the user
+	{LUA_FILEHANDLE, "setvbuf", "mode[,size]", true},
+	{LUA_FILEHANDLE, "lines", "", true},
+	{LUA_FILEHANDLE, "read", "...", true},
+	{LUA_FILEHANDLE, "flush", "", true},
+	{LUA_FILEHANDLE, "seek", "[whence][,offset]", true},
+	{LUA_FILEHANDLE, "write", "...", true},
+	{LUA_FILEHANDLE, "__tostring", "obj", true},
+	{LUA_FILEHANDLE, "__gc", "", true},
+	{"_LOADLIB", "__gc", "", true},
+};
+
+void registerLibs(lua_State* L)
+{
+	luaL_openlibs(L);
+
+	luaL_register(L, "emu", emulualib); // added for better cross-emulator compatibility
+	luaL_register(L, "emulua", emulualib); // kept for backward compatibility
+	luaL_register(L, "gui", guilib);
+	luaL_register(L, "savestate", statelib);
+	luaL_register(L, "memory", memorylib);
+	luaL_register(L, "joypad", joylib); // for game input
+	luaL_register(L, "input", inputlib); // for user input
+	luaL_register(L, "movie", movielib);
+	luaL_register(L, "sound", soundlib);
+	lua_settop(L, 0); // clean the stack, because each call to luaL_register leaves a table on top
+	
+	// register a few utility functions outside of libraries (in the global namespace)
+	lua_register(L, "print", print);
+	lua_register(L, "tostring", tostring);
+	lua_register(L, "addressof", addressof);
+	lua_register(L, "copytable", copytable);
+	lua_register(L, "AND", _bitand);
+	lua_register(L, "OR", _bitor);
+	lua_register(L, "XOR", bitxor);
+	lua_register(L, "SHIFT", bitshift);
+	lua_register(L, "BIT", bitbit);
+
+	// populate s_cFuncInfoMap the first time
+	static bool once = true;
+	if(once)
+	{
+		once = false;
+
+		for(int i = 0; i < sizeof(cFuncInfo)/sizeof(*cFuncInfo); i++)
+		{
+			const CFuncInfo& cfi = cFuncInfo[i];
+			if(cfi.registry)
+			{
+				lua_getregistry(L);
+				lua_getfield(L, -1, cfi.library);
+				lua_remove(L, -2);
+				lua_getfield(L, -1, cfi.name);
+				lua_remove(L, -2);
+			}
+			else if(cfi.library)
+			{
+				lua_getfield(L, LUA_GLOBALSINDEX, cfi.library);
+				lua_getfield(L, -1, cfi.name);
+				lua_remove(L, -2);
+			}
+			else
+			{
+				lua_getfield(L, LUA_GLOBALSINDEX, cfi.name);
+			}
+
+			lua_CFunction func = lua_tocfunction(L, -1);
+			s_cFuncInfoMap[func] = cfi.args;
+			lua_pop(L, 1);
+		}
+
+		// deal with some stragglers
+		lua_getfield(L, LUA_GLOBALSINDEX, "package");
+		lua_getfield(L, -1, "loaders");
+		lua_remove(L, -2);
+		if(lua_istable(L, -1))
+		{
+			for(int i=1;;i++)
+			{
+				lua_rawgeti(L, -1, i);
+				lua_CFunction func = lua_tocfunction(L, -1);
+				lua_pop(L,1);
+				if(!func)
+					break;
+				s_cFuncInfoMap[func] = "name";
+			}
+		}
+		lua_pop(L,1);
+	}
+
+	// push arrays for storing hook functions in
+	for(int i = 0; i < LUAMEMHOOK_COUNT; i++)
+	{
+		lua_newtable(L);
+		lua_setfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[i]);
+	}
+}
+
+void ResetInfo(LuaContextInfo& info)
+{
+	info.L = NULL;
+	info.started = false;
+	info.running = false;
+	info.returned = false;
+	info.crashed = false;
+	info.restart = false;
+	info.restartLater = false;
+	info.worryCount = 0;
+	info.stopWorrying = false;
+	info.panic = false;
+	info.ranExit = false;
+	info.numDeferredGUIFuncs = 0;
+	info.ranFrameAdvance = false;
+	info.transparencyModifier = 255;
+	info.speedMode = SPEEDMODE_NORMAL;
+	info.guiFuncsNeedDeferring = false;
+	info.dataSaveKey = 0;
+	info.dataLoadKey = 0;
+	info.dataSaveLoadKeySet = false;
+	info.rerecordCountingDisabled = false;
+	info.numMemHooks = 0;
+	info.persistVars.clear();
+	info.newDefaultData.ClearRecords();
+}
+
+void OpenLuaContext(int uid, void(*print)(int uid, const char* str), void(*onstart)(int uid), void(*onstop)(int uid, bool statusOK))
+{
+	LuaContextInfo* newInfo = new LuaContextInfo();
+	ResetInfo(*newInfo);
+	newInfo->print = print;
+	newInfo->onstart = onstart;
+	newInfo->onstop = onstop;
+	luaContextInfo[uid] = newInfo;
+}
+
+void RunLuaScriptFile(int uid, const char* filenameCStr)
+{
+	if(luaContextInfo.find(uid) == luaContextInfo.end())
+		return;
+	StopLuaScript(uid);
+
+	LuaContextInfo& info = *luaContextInfo[uid];
+
+#ifdef USE_INFO_STACK
+	infoStack.insert(infoStack.begin(), &info);
+	struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope; // doing it like this makes sure that the info stack gets cleaned up even if an exception is thrown
+#endif
+
+	info.nextFilename = filenameCStr;
+
+	if(info.running)
+	{
+		// it's a little complicated, but... the call to luaL_dofile below
+		// could call a C function that calls this very function again
+		// additionally, if that happened then the above call to StopLuaScript
+		// probably couldn't stop the script yet, so instead of continuing,
+		// we'll set a flag that tells the first call of this function to loop again
+		// when the script is able to stop safely
+		info.restart = true;
+		return;
+	}
+
+	do
+	{
+		std::string filename = info.nextFilename;
+
+		lua_State* L = lua_open();
+#ifndef USE_INFO_STACK
+		luaStateToContextMap[L] = &info;
+#endif
+		luaStateToUIDMap[L] = uid;
+		ResetInfo(info);
+		info.L = L;
+		info.guiFuncsNeedDeferring = true;
+		info.lastFilename = filename;
+
+		SetSaveKey(info, FilenameFromPath(filename.c_str()));
+		info.dataSaveLoadKeySet = false;
+
+		registerLibs(L);
+
+		// register a function to periodically check for inactivity
+		lua_sethook(L, LuaRescueHook, LUA_MASKCOUNT, HOOKCOUNT);
+
+		// deferred evaluation table
+		lua_newtable(L);
+		lua_setfield(L, LUA_REGISTRYINDEX, deferredGUIIDString);
+
+		info.started = true;
+		RefreshScriptStartedStatus();
+		if(info.onstart)
+			info.onstart(uid);
+		info.running = true;
+		RefreshScriptSpeedStatus();
+		info.returned = false;
+		int errorcode = luaL_dofile(L,filename.c_str());
+		info.running = false;
+		RefreshScriptSpeedStatus();
+		info.returned = true;
+
+		if (errorcode)
+		{
+			info.crashed = true;
+			if(info.print)
+			{
+				info.print(uid, lua_tostring(L,-1));
+				info.print(uid, "\r\n");
+			}
+			else
+			{
+				fprintf(stderr, "%s\n", lua_tostring(L,-1));
+			}
+			StopLuaScript(uid);
+		}
+		else
+		{
+			StopScriptIfFinished(uid, true);
+		}
+	} while(info.restart);
+}
+
+void StopScriptIfFinished(int uid, bool justReturned)
+{
+	LuaContextInfo& info = *luaContextInfo[uid];
+	if(!info.returned)
+		return;
+
+	// the script has returned, but it is not necessarily done running
+	// because it may have registered a function that it expects to keep getting called
+	// so check if it has any registered functions and stop the script only if it doesn't
+
+	bool keepAlive = (info.numMemHooks != 0);
+	for(int calltype = 0; calltype < LUACALL_COUNT && !keepAlive; calltype++)
+	{
+		lua_State* L = info.L;
+		if(L)
+		{
+			const char* idstring = luaCallIDStrings[calltype];
+			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
+			bool isFunction = lua_isfunction(L, -1);
+			lua_pop(L, 1);
+
+			if(isFunction)
+				keepAlive = true;
+		}
+	}
+
+	if(keepAlive)
+	{
+		if(justReturned)
+		{
+			if(info.print)
+				info.print(uid, "script returned but is still running registered functions\r\n");
+			else
+				fprintf(stderr, "%s\n", "script returned but is still running registered functions");
+		}
+	}
+	else
+	{
+		if(!info.print)
+			fprintf(stderr, "%s\n", "script finished running");
+
+		StopLuaScript(uid);
+	}
+}
+
+void RequestAbortLuaScript(int uid, const char* message)
+{
+	if(luaContextInfo.find(uid) == luaContextInfo.end())
+		return;
+	LuaContextInfo& info = *luaContextInfo[uid];
+	lua_State* L = info.L;
+	if(L)
+	{
+		// this probably isn't the right way to do it
+		// but calling luaL_error here is positively unsafe
+		// (it seemingly works fine but sometimes corrupts the emulation state in colorful ways)
+		// and this works pretty well and is definitely safe, so screw it
+		info.L->hookcount = 1; // run hook function as soon as possible
+		info.panic = true; // and call luaL_error once we're inside the hook function
+
+		if(message)
+		{
+			strncpy(info.panicMessage, message, sizeof(info.panicMessage));
+			info.panicMessage[sizeof(info.panicMessage)-1] = 0;
+		}
+		else
+		{
+			// attach file/line info because this is the case where it's most necessary to see that,
+			// and often it won't be possible for the later luaL_error call to retrieve it otherwise.
+			// this means sometimes printing multiple file/line numbers if luaL_error does find something,
+			// but that's fine since more information is probably better anyway.
+			luaL_where(L,0); // should be 0 and not 1 here to get useful (on force stop) messages
+			const char* whereString = lua_tostring(L,-1);
+			snprintf(info.panicMessage, sizeof(info.panicMessage), "%sscript terminated", whereString);
+			lua_pop(L,1);
+		}
+	}
+}
+
+void SetSaveKey(LuaContextInfo& info, const char* key)
+{
+	info.dataSaveKey = crc32(0, (const unsigned char*)key, (int)strlen(key));
+
+	if(!info.dataSaveLoadKeySet)
+	{
+		info.dataLoadKey = info.dataSaveKey;
+		info.dataSaveLoadKeySet = true;
+	}
+}
+void SetLoadKey(LuaContextInfo& info, const char* key)
+{
+	info.dataLoadKey = crc32(0, (const unsigned char*)key, (int)strlen(key));
+
+	if(!info.dataSaveLoadKeySet)
+	{
+		info.dataSaveKey = info.dataLoadKey;
+		info.dataSaveLoadKeySet = true;
+	}
+}
+
+void HandleCallbackError(lua_State* L, LuaContextInfo& info, int uid, bool stopScript)
+{
+	info.crashed = true;
+	if(L->errfunc || L->errorJmp)
+		luaL_error(L, lua_tostring(L,-1));
+	else
+	{
+		if(info.print)
+		{
+			info.print(uid, lua_tostring(L,-1));
+			info.print(uid, "\r\n");
+		}
+		else
+		{
+			fprintf(stderr, "%s\n", lua_tostring(L,-1));
+		}
+		if(stopScript)
+			StopLuaScript(uid);
+	}
+}
+
+void CallExitFunction(int uid)
+{
+	LuaContextInfo& info = *luaContextInfo[uid];
+	lua_State* L = info.L;
+
+	if(!L)
+		return;
+
+	dontworry(info);
+
+	// first call the registered exit function if there is one
+	if(!info.ranExit)
+	{
+		info.ranExit = true;
+
+#ifdef USE_INFO_STACK
+		infoStack.insert(infoStack.begin(), &info);
+		struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
+#endif
+
+		lua_settop(L, 0);
+		lua_getfield(L, LUA_REGISTRYINDEX, luaCallIDStrings[LUACALL_BEFOREEXIT]);
+		
+		int errorcode = 0;
+		if (lua_isfunction(L, -1))
+		{
+			bool wasRunning = info.running;
+			info.running = true;
+			RefreshScriptSpeedStatus();
+
+			bool wasPanic = info.panic;
+			info.panic = false; // otherwise we could barely do anything in the exit function
+
+			errorcode = lua_pcall(L, 0, 0, 0);
+
+			info.panic |= wasPanic; // restore panic
+
+			info.running = wasRunning;
+			RefreshScriptSpeedStatus();
+		}
+
+		// save persisted variable info after the exit function runs (even if it crashed)
+		{
+			// gather the final value of the variables we're supposed to persist
+			LuaSaveData newExitData;
+			{
+				int numPersistVars = (int)info.persistVars.size();
+				for(int i = 0; i < numPersistVars; i++)
+				{
+					const char* varName = info.persistVars[i].c_str();
+					lua_getfield(L, LUA_GLOBALSINDEX, varName);
+					int type = lua_type(L,-1);
+					unsigned int varNameCRC = crc32(0, (const unsigned char*)varName, (int)strlen(varName));
+					newExitData.SaveRecordPartial(uid, varNameCRC, -1);
+					lua_pop(L,1);
+				}
+			}
+
+			char path [1024] = {0};
+			char* pathTypeChrPtr = ConstructScriptSaveDataPath(path, 1024, info);
+
+			*pathTypeChrPtr = 'd';
+			if(info.newDefaultData.recordList)
+			{
+				FILE* defaultsFile = fopen(path, "wb");
+				if(defaultsFile)
+				{
+					info.newDefaultData.ExportRecords(defaultsFile);
+					fclose(defaultsFile);
+				}
+			}
+			else unlink(path);
+
+			*pathTypeChrPtr = 'e';
+			if(newExitData.recordList)
+			{
+				FILE* persistFile = fopen(path, "wb");
+				if(persistFile)
+				{
+					newExitData.ExportRecords(persistFile);
+					fclose(persistFile);
+				}
+			}
+			else unlink(path);
+		}
+
+		if (errorcode)
+			HandleCallbackError(L,info,uid,false);
+
+	}
+}
+
+void StopLuaScript(int uid)
+{
+	LuaContextInfo* infoPtr = luaContextInfo[uid];
+	if(!infoPtr)
+		return;
+
+	LuaContextInfo& info = *infoPtr;
+
+	if(info.ranFrameAdvance)
+		Frame::SetFrameStepping(false);
+
+	if(info.running)
+	{
+		// if it's currently running then we can't stop it now without crashing
+		// so the best we can do is politely request for it to go kill itself
+		RequestAbortLuaScript(uid);
+		return;
+	}
+
+	lua_State* L = info.L;
+	if(L)
+	{
+		CallExitFunction(uid);
+
+		if(info.onstop)
+		{
+			info.stopWorrying = true, info.worryCount++, dontworry(info); // clear "busy" status
+			info.onstop(uid, !info.crashed); // must happen before closing L and after the exit function, otherwise the final GUI state of the script won't be shown properly or at all
+		}
+
+		if(info.started) // this check is necessary
+		{
+			lua_close(L);
+#ifndef USE_INFO_STACK
+			luaStateToContextMap.erase(L);
+#endif
+			luaStateToUIDMap.erase(L);
+			info.L = NULL;
+			info.started = false;
+			
+			info.numMemHooks = 0;
+			for(int i = 0; i < LUAMEMHOOK_COUNT; i++)
+				CalculateMemHookRegions((LuaMemHookType)i);
+		}
+		RefreshScriptStartedStatus();
+	}
+}
+
+void CloseLuaContext(int uid)
+{
+	StopLuaScript(uid);
+	delete luaContextInfo[uid];
+	luaContextInfo.erase(uid);
+}
+
+
+// the purpose of this structure is to provide a way of
+// QUICKLY determining whether a memory address range has a hook associated with it,
+// with a bias toward fast rejection because the majority of addresses will not be hooked.
+// (it must not use any part of Lua or perform any per-script operations,
+//  otherwise it would definitely be too slow.)
+// calculating the regions when a hook is added/removed may be slow,
+// but this is an intentional tradeoff to obtain a high speed of checking during later execution
+struct TieredRegion
+{
+	template<unsigned int maxGap>
+	struct Region
+	{
+		struct Island
+		{
+			unsigned int start;
+			unsigned int end;
+			__forceinline bool Contains(unsigned int address, int size) const { return address < end && address+size > start; }
+		};
+		std::vector<Island> islands;
+
+		void Calculate(const std::vector<unsigned int>& bytes)
+		{
+			islands.clear();
+
+			unsigned int lastEnd = ~0;
+
+			std::vector<unsigned int>::const_iterator iter = bytes.begin();
+			std::vector<unsigned int>::const_iterator end = bytes.end();
+			for(; iter != end; ++iter)
+			{
+				unsigned int addr = *iter;
+				if(addr < lastEnd || addr > lastEnd + (long long)maxGap)
+				{
+					islands.push_back(Island());
+					islands.back().start = addr;
+				}
+				islands.back().end = addr+1;
+				lastEnd = addr+1;
+			}
+		}
+
+		bool Contains(unsigned int address, int size) const
+		{
+			typename std::vector<Island>::const_iterator iter = islands.begin();
+			typename std::vector<Island>::const_iterator end = islands.end();
+			for(; iter != end; ++iter)
+				if(iter->Contains(address, size))
+					return true;
+			return false;
+		}
+	};
+
+	Region<0xFFFFFFFF> broad;
+	Region<0x1000> mid;
+	Region<0> narrow;
+
+	void Calculate(std::vector<unsigned int>& bytes)
+	{
+		std::sort(bytes.begin(), bytes.end());
+
+		broad.Calculate(bytes);
+		mid.Calculate(bytes);
+		narrow.Calculate(bytes);
+	}
+
+	TieredRegion()
+	{
+		std::vector<unsigned int> bytes;
+		Calculate(bytes);
+		// GCC didn't like the old style
+		// Calculate(std::vector<unsigned int>());
+	}
+
+	__forceinline int NotEmpty()
+	{
+		return (int)broad.islands.size();
+	}
+
+	// note: it is illegal to call this if NotEmpty() returns 0
+	__forceinline bool Contains(unsigned int address, int size)
+	{
+		return broad.islands[0].Contains(address,size) &&
+		       mid.Contains(address,size) &&
+			   narrow.Contains(address,size);
+	}
+};
+TieredRegion hookedRegions [LUAMEMHOOK_COUNT];
+
+
+static void CalculateMemHookRegions(LuaMemHookType hookType)
+{
+	std::vector<unsigned int> hookedBytes;
+	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		LuaContextInfo& info = *iter->second;
+		if(info.numMemHooks)
+		{
+			lua_State* L = info.L;
+			if(L)
+			{
+				lua_settop(L, 0);
+				lua_getfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[hookType]);
+				lua_pushnil(L);
+				while(lua_next(L, -2))
+				{
+					if(lua_isfunction(L, -1))
+					{
+						unsigned int addr = (int)lua_tointeger(L, -2);
+						hookedBytes.push_back(addr);
+					}
+					lua_pop(L, 1);
+				}
+				lua_settop(L, 0);
+			}
+		}
+		++iter;
+	}
+	hookedRegions[hookType].Calculate(hookedBytes);
+}
+
+
+
+
+
+static void CallRegisteredLuaMemHook_LuaMatch(unsigned int address, int size, unsigned int value, LuaMemHookType hookType)
+{
+	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		LuaContextInfo& info = *iter->second;
+		if(info.numMemHooks)
+		{
+			lua_State* L = info.L;
+			if(L && !info.panic)
+			{
+#ifdef USE_INFO_STACK
+				infoStack.insert(infoStack.begin(), &info);
+				struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
+#endif
+				lua_settop(L, 0);
+				lua_getfield(L, LUA_REGISTRYINDEX, luaMemHookTypeStrings[hookType]);
+				for(int i = address; i != address+size; i++)
+				{
+					lua_rawgeti(L, -1, i);
+					if (lua_isfunction(L, -1))
+					{
+						bool wasRunning = info.running;
+						info.running = true;
+						RefreshScriptSpeedStatus();
+						lua_pushinteger(L, address);
+						lua_pushinteger(L, size);
+						int errorcode = lua_pcall(L, 2, 0, 0);
+						info.running = wasRunning;
+						RefreshScriptSpeedStatus();
+						if (errorcode)
+						{
+							int uid = iter->first;
+							HandleCallbackError(L,info,uid,true);
+						}
+						break;
+					}
+					else
+					{
+						lua_pop(L,1);
+					}
+				}
+				lua_settop(L, 0);
+			}
+		}
+		++iter;
+	}
+}
+void CallRegisteredLuaMemHook(unsigned int address, int size, unsigned int value, LuaMemHookType hookType)
+{
+	// performance critical! (called VERY frequently)
+	// I suggest timing a large number of calls to this function in Release if you change anything in here,
+	// before and after, because even the most innocent change can make it become 30% to 400% slower.
+	// a good amount to test is: 100000000 calls with no hook set, and another 100000000 with a hook set.
+	// (on my system that consistently took 200 ms total in the former case and 350 ms total in the latter case)
+	if(hookedRegions[hookType].NotEmpty())
+	{
+		if((hookType <= LUAMEMHOOK_EXEC) && (address >= 0xE00000))
+			address |= 0xFF0000; // account for mirroring of RAM
+		if(hookedRegions[hookType].Contains(address, size))
+			CallRegisteredLuaMemHook_LuaMatch(address, size, value, hookType); // something has hooked this specific address
+	}
+}
+
+
+
+void CallRegisteredLuaFunctions(LuaCallID calltype)
+{
+	assert((unsigned int)calltype < (unsigned int)LUACALL_COUNT);
+	const char* idstring = luaCallIDStrings[calltype];
+
+	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		int uid = iter->first;
+		LuaContextInfo& info = *iter->second;
+		lua_State* L = info.L;
+		if(L && (!info.panic || calltype == LUACALL_BEFOREEXIT))
+		{
+#ifdef USE_INFO_STACK
+			infoStack.insert(infoStack.begin(), &info);
+			struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
+#endif
+			// handle deferred GUI function calls and disabling deferring when unnecessary
+			if(calltype == LUACALL_AFTEREMULATIONGUI || calltype == LUACALL_AFTEREMULATION)
+				info.guiFuncsNeedDeferring = false;
+			if(calltype == LUACALL_AFTEREMULATIONGUI)
+				CallDeferredFunctions(L, deferredGUIIDString);
+
+			lua_settop(L, 0);
+			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
+			
+			if (lua_isfunction(L, -1))
+			{
+				bool wasRunning = info.running;
+				info.running = true;
+				RefreshScriptSpeedStatus();
+				int errorcode = lua_pcall(L, 0, 0, 0);
+				info.running = wasRunning;
+				RefreshScriptSpeedStatus();
+				if (errorcode)
+					HandleCallbackError(L,info,uid,true);
+			}
+			else
+			{
+				lua_pop(L, 1);
+			}
+
+			info.guiFuncsNeedDeferring = true;
+		}
+
+		++iter;
+	}
+}
+
+void CallRegisteredLuaSaveFunctions(int savestateNumber, LuaSaveData& saveData)
+{
+	const char* idstring = luaCallIDStrings[LUACALL_BEFORESAVE];
+
+	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		int uid = iter->first;
+		LuaContextInfo& info = *iter->second;
+		lua_State* L = info.L;
+		if(L)
+		{
+#ifdef USE_INFO_STACK
+			infoStack.insert(infoStack.begin(), &info);
+			struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
+#endif
+
+			lua_settop(L, 0);
+			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
+			
+			if (lua_isfunction(L, -1))
+			{
+				bool wasRunning = info.running;
+				info.running = true;
+				RefreshScriptSpeedStatus();
+				lua_pushinteger(L, savestateNumber);
+				int errorcode = lua_pcall(L, 1, LUA_MULTRET, 0);
+				info.running = wasRunning;
+				RefreshScriptSpeedStatus();
+				if (errorcode)
+					HandleCallbackError(L,info,uid,true);
+				saveData.SaveRecord(uid, info.dataSaveKey);
+			}
+			else
+			{
+				lua_pop(L, 1);
+			}
+		}
+
+		++iter;
+	}
+}
+
+
+void CallRegisteredLuaLoadFunctions(int savestateNumber, const LuaSaveData& saveData)
+{
+	const char* idstring = luaCallIDStrings[LUACALL_AFTERLOAD];
+
+	std::map<int, LuaContextInfo*>::iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		int uid = iter->first;
+		LuaContextInfo& info = *iter->second;
+		lua_State* L = info.L;
+		if(L)
+		{
+#ifdef USE_INFO_STACK
+			infoStack.insert(infoStack.begin(), &info);
+			struct Scope { ~Scope(){ infoStack.erase(infoStack.begin()); } } scope;
+#endif
+
+			lua_settop(L, 0);
+			lua_getfield(L, LUA_REGISTRYINDEX, idstring);
+			
+			if (lua_isfunction(L, -1))
+			{
+				bool wasRunning = info.running;
+				info.running = true;
+				RefreshScriptSpeedStatus();
+
+				// since the scriptdata can be very expensive to load
+				// (e.g. the registered save function returned some huge tables)
+				// check the number of parameters the registered load function expects
+				// and don't bother loading the parameters it wouldn't receive anyway
+				int numParamsExpected = (L->top - 1)->value.gc->cl.l.p->numparams;
+				if(numParamsExpected) numParamsExpected--; // minus one for the savestate number we always pass in
+
+				int prevGarbage = lua_gc(L, LUA_GCCOUNT, 0);
+
+				lua_pushinteger(L, savestateNumber);
+				saveData.LoadRecord(uid, info.dataLoadKey, numParamsExpected);
+				int n = lua_gettop(L) - 1;
+
+				int errorcode = lua_pcall(L, n, 0, 0);
+				info.running = wasRunning;
+				RefreshScriptSpeedStatus();
+				if (errorcode)
+					HandleCallbackError(L,info,uid,true);
+				else
+				{
+					int newGarbage = lua_gc(L, LUA_GCCOUNT, 0);
+					if(newGarbage - prevGarbage > 50)
+					{
+						// now seems to be a very good time to run the garbage collector
+						// it might take a while now but that's better than taking 10 whiles 9 loads from now
+						lua_gc(L, LUA_GCCOLLECT, 0);
+					}
+				}
+			}
+			else
+			{
+				lua_pop(L, 1);
+			}
+		}
+
+		++iter;
+	}
+}
+
+static const unsigned char* s_dbg_dataStart = NULL;
+static int s_dbg_dataSize = 0;
+
+
+// can't remember what the best way of doing this is...
+#if defined(i386) || defined(__i386) || defined(__i386__) || defined(M_I86) || defined(_M_IX86)
+	#define IS_LITTLE_ENDIAN
+#endif
+
+// push a value's bytes onto the output stack
+template<typename T>
+void PushBinaryItem(T item, std::vector<unsigned char>& output)
+{
+	unsigned char* buf = (unsigned char*)&item;
+#ifdef IS_LITTLE_ENDIAN
+	for(int i = sizeof(T); i; i--)
+		output.push_back(*buf++);
+#else
+	int vecsize = (int)output.size();
+	for(int i = sizeof(T); i; i--)
+		output.insert(output.begin() + vecsize, *buf++);
+#endif
+}
+// read a value from the byte stream and advance the stream by its size
+template<typename T>
+T AdvanceByteStream(const unsigned char*& data, unsigned int& remaining)
+{
+#ifdef IS_LITTLE_ENDIAN
+	T rv = *(T*)data;
+	data += sizeof(T);
+#else
+	T rv; unsigned char* rvptr = (unsigned char*)&rv;
+	for(int i = sizeof(T)-1; i>=0; i--)
+		rvptr[i] = *data++;
+#endif
+	remaining -= sizeof(T);
+	return rv;
+}
+// advance the byte stream by a certain size without reading a value
+void AdvanceByteStream(const unsigned char*& data, unsigned int& remaining, int amount)
+{
+	data += amount;
+	remaining -= amount;
+}
+
+#define LUAEXT_TLONG		30 // 0x1E // 4-byte signed integer
+#define LUAEXT_TUSHORT		31 // 0x1F // 2-byte unsigned integer
+#define LUAEXT_TSHORT		32 // 0x20 // 2-byte signed integer
+#define LUAEXT_TBYTE		33 // 0x21 // 1-byte unsigned integer
+#define LUAEXT_TNILS		34 // 0x22 // multiple nils represented by a 4-byte integer (warning: becomes multiple stack entities)
+#define LUAEXT_TTABLE		0x40 // 0x40 through 0x4F // tables of different sizes:
+#define LUAEXT_BITS_1A		0x01 // size of array part fits in a 1-byte unsigned integer
+#define LUAEXT_BITS_2A		0x02 // size of array part fits in a 2-byte unsigned integer
+#define LUAEXT_BITS_4A		0x03 // size of array part fits in a 4-byte unsigned integer
+#define LUAEXT_BITS_1H		0x04 // size of hash part fits in a 1-byte unsigned integer
+#define LUAEXT_BITS_2H		0x08 // size of hash part fits in a 2-byte unsigned integer
+#define LUAEXT_BITS_4H		0x0C // size of hash part fits in a 4-byte unsigned integer
+#define BITMATCH(x,y) (((x) & (y)) == (y))
+
+static void PushNils(std::vector<unsigned char>& output, int& nilcount)
+{
+	int count = nilcount;
+	nilcount = 0;
+
+	static const int minNilsWorthEncoding = 6; // because a LUAEXT_TNILS entry is 5 bytes
+
+	if(count < minNilsWorthEncoding)
+	{
+		for(int i = 0; i < count; i++)
+			output.push_back(LUA_TNIL);
+	}
+	else
+	{
+		output.push_back(LUAEXT_TNILS);
+		PushBinaryItem<u32>(count, output);
+	}
+}
+
+
+static void LuaStackToBinaryConverter(lua_State* L, int i, std::vector<unsigned char>& output)
+{
+	int type = lua_type(L, i);
+
+	// the first byte of every serialized item says what Lua type it is
+	output.push_back(type & 0xFF);
+
+	switch(type)
+	{
+		default:
+			{
+				//printf("wrote unknown type %d (0x%x)\n", type, type);	
+				//assert(0);
+
+				LuaContextInfo& info = GetCurrentInfo();
+				if(info.print)
+				{
+					char errmsg [1024];
+					sprintf(errmsg, "values of type \"%s\" are not allowed to be returned from registered save functions.\r\n", luaL_typename(L,i));
+					info.print(luaStateToUIDMap[L], errmsg);
+				}
+				else
+				{
+					fprintf(stderr, "values of type \"%s\" are not allowed to be returned from registered save functions.\n", luaL_typename(L,i));
+				}
+			}
+			break;
+		case LUA_TNIL:
+			// no information necessary beyond the type
+			break;
+		case LUA_TBOOLEAN:
+			// serialize as 0 or 1
+			output.push_back(lua_toboolean(L,i));
+			break;
+		case LUA_TSTRING:
+			// serialize as a 0-terminated string of characters
+			{
+				const char* str = lua_tostring(L,i);
+				while(*str)
+					output.push_back(*str++);
+				output.push_back('\0');
+			}
+			break;
+		case LUA_TNUMBER:
+			{
+				double num = (double)lua_tonumber(L,i);
+				s32 inum = (s32)lua_tointeger(L,i);
+				if(num != inum)
+				{
+					PushBinaryItem(num, output);
+				}
+				else
+				{
+					if((inum & ~0xFF) == 0)
+						type = LUAEXT_TBYTE;
+					else if((u16)(inum & 0xFFFF) == inum)
+						type = LUAEXT_TUSHORT;
+					else if((s16)(inum & 0xFFFF) == inum)
+						type = LUAEXT_TSHORT;
+					else
+						type = LUAEXT_TLONG;
+					output.back() = type;
+					switch(type)
+					{
+					case LUAEXT_TLONG:
+						PushBinaryItem<s32>(inum, output);
+						break;
+					case LUAEXT_TUSHORT:
+						PushBinaryItem<u16>(inum, output);
+						break;
+					case LUAEXT_TSHORT:
+						PushBinaryItem<s16>(inum, output);
+						break;
+					case LUAEXT_TBYTE:
+						output.push_back(inum);
+						break;
+					}
+				}
+			}
+			break;
+		case LUA_TTABLE:
+			// serialize as a type that describes how many bytes are used for
+			// storing the counts, followed by the number of array entries if
+			// any, then the number of hash entries if any, then a Lua value
+			// per array entry, then a (key,value) pair of Lua values per
+			// hashed entry note that the structure of table references are not
+			// faithfully serialized (yet)
+		{
+			int outputTypeIndex = (int)output.size() - 1;
+			int arraySize = 0;
+			int hashSize = 0;
+
+			if(lua_checkstack(L, 4) && std::find(s_tableAddressStack.begin(), s_tableAddressStack.end(), lua_topointer(L,i)) == s_tableAddressStack.end())
+			{
+				s_tableAddressStack.push_back(lua_topointer(L,i));
+				struct Scope { ~Scope(){ s_tableAddressStack.pop_back(); } } scope;
+
+				bool wasnil = false;
+				int nilcount = 0;
+				arraySize = (int)lua_objlen(L, i);
+				int arrayValIndex = lua_gettop(L) + 1;
+				for(int j = 1; j <= arraySize; j++)
+				{
+			        lua_rawgeti(L, i, j);
+					bool isnil = lua_isnil(L, arrayValIndex);
+					if(isnil)
+						nilcount++;
+					else
+					{
+						if(wasnil)
+							PushNils(output, nilcount);
+						LuaStackToBinaryConverter(L, arrayValIndex, output);
+					}
+					lua_pop(L, 1);
+					wasnil = isnil;
+				}
+				if(wasnil)
+					PushNils(output, nilcount);
+
+				if(arraySize)
+					lua_pushinteger(L, arraySize); // before first key
+				else
+					lua_pushnil(L); // before first key
+
+				int keyIndex = lua_gettop(L);
+				int valueIndex = keyIndex + 1;
+				while(lua_next(L, i))
+				{
+					assert(lua_type(L, keyIndex) && "nil key in Lua table, impossible");
+					assert(lua_type(L, valueIndex) && "nil value in Lua table, impossible");
+					LuaStackToBinaryConverter(L, keyIndex, output);
+					LuaStackToBinaryConverter(L, valueIndex, output);
+					lua_pop(L, 1);
+					hashSize++;
+				}
+			}
+
+			int outputType = LUAEXT_TTABLE;
+			if(arraySize & 0xFFFF0000)
+				outputType |= LUAEXT_BITS_4A;
+			else if(arraySize & 0xFF00)
+				outputType |= LUAEXT_BITS_2A;
+			else if(arraySize & 0xFF)
+				outputType |= LUAEXT_BITS_1A;
+			if(hashSize & 0xFFFF0000)
+				outputType |= LUAEXT_BITS_4H;
+			else if(hashSize & 0xFF00)
+				outputType |= LUAEXT_BITS_2H;
+			else if(hashSize & 0xFF)
+				outputType |= LUAEXT_BITS_1H;
+			output[outputTypeIndex] = outputType;
+
+			int insertIndex = outputTypeIndex;
+			if(BITMATCH(outputType,LUAEXT_BITS_4A) || BITMATCH(outputType,LUAEXT_BITS_2A) || BITMATCH(outputType,LUAEXT_BITS_1A))
+				output.insert(output.begin() + (++insertIndex), arraySize & 0xFF);
+			if(BITMATCH(outputType,LUAEXT_BITS_4A) || BITMATCH(outputType,LUAEXT_BITS_2A))
+				output.insert(output.begin() + (++insertIndex), (arraySize & 0xFF00) >> 8);
+			if(BITMATCH(outputType,LUAEXT_BITS_4A))
+				output.insert(output.begin() + (++insertIndex), (arraySize & 0x00FF0000) >> 16),
+				output.insert(output.begin() + (++insertIndex), (arraySize & 0xFF000000) >> 24);
+			if(BITMATCH(outputType,LUAEXT_BITS_4H) || BITMATCH(outputType,LUAEXT_BITS_2H) || BITMATCH(outputType,LUAEXT_BITS_1H))
+				output.insert(output.begin() + (++insertIndex), hashSize & 0xFF);
+			if(BITMATCH(outputType,LUAEXT_BITS_4H) || BITMATCH(outputType,LUAEXT_BITS_2H))
+				output.insert(output.begin() + (++insertIndex), (hashSize & 0xFF00) >> 8);
+			if(BITMATCH(outputType,LUAEXT_BITS_4H))
+				output.insert(output.begin() + (++insertIndex), (hashSize & 0x00FF0000) >> 16),
+				output.insert(output.begin() + (++insertIndex), (hashSize & 0xFF000000) >> 24);
+
+		}	break;
+	}
+}
+
+
+// complements LuaStackToBinaryConverter
+void BinaryToLuaStackConverter(lua_State* L, const unsigned char*& data, unsigned int& remaining)
+{
+	assert(s_dbg_dataSize - (data - s_dbg_dataStart) == remaining);
+
+	unsigned char type = AdvanceByteStream<unsigned char>(data, remaining);
+
+	switch(type)
+	{
+		default:
+			{
+				//printf("read unknown type %d (0x%x)\n", type, type);
+				//assert(0);
+
+				LuaContextInfo& info = GetCurrentInfo();
+				if(info.print)
+				{
+					char errmsg [1024];
+					if(type <= 10 && type != LUA_TTABLE)
+						sprintf(errmsg, "values of type \"%s\" are not allowed to be loaded into registered load functions. The save state's Lua save data file might be corrupted.\r\n", lua_typename(L,type));
+					else
+						sprintf(errmsg, "The save state's Lua save data file seems to be corrupted.\r\n");
+					info.print(luaStateToUIDMap[L], errmsg);
+				}
+				else
+				{
+					if(type <= 10 && type != LUA_TTABLE)
+						fprintf(stderr, "values of type \"%s\" are not allowed to be loaded into registered load functions. The save state's Lua save data file might be corrupted.\n", lua_typename(L,type));
+					else
+						fprintf(stderr, "The save state's Lua save data file seems to be corrupted.\n");
+				}
+			}
+			break;
+		case LUA_TNIL:
+			lua_pushnil(L);
+			break;
+		case LUA_TBOOLEAN:
+			lua_pushboolean(L, AdvanceByteStream<u8>(data, remaining));
+			break;
+		case LUA_TSTRING:
+			lua_pushstring(L, (const char*)data);
+			AdvanceByteStream(data, remaining, (int)strlen((const char*)data) + 1);
+			break;
+		case LUA_TNUMBER:
+			lua_pushnumber(L, AdvanceByteStream<double>(data, remaining));
+			break;
+		case LUAEXT_TLONG:
+			lua_pushinteger(L, AdvanceByteStream<s32>(data, remaining));
+			break;
+		case LUAEXT_TUSHORT:
+			lua_pushinteger(L, AdvanceByteStream<u16>(data, remaining));
+			break;
+		case LUAEXT_TSHORT:
+			lua_pushinteger(L, AdvanceByteStream<s16>(data, remaining));
+			break;
+		case LUAEXT_TBYTE:
+			lua_pushinteger(L, AdvanceByteStream<u8>(data, remaining));
+			break;
+		case LUAEXT_TTABLE:
+		case LUAEXT_TTABLE | LUAEXT_BITS_1A:
+		case LUAEXT_TTABLE | LUAEXT_BITS_2A:
+		case LUAEXT_TTABLE | LUAEXT_BITS_4A:
+		case LUAEXT_TTABLE | LUAEXT_BITS_1H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_2H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_4H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_1A | LUAEXT_BITS_1H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_2A | LUAEXT_BITS_1H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_4A | LUAEXT_BITS_1H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_1A | LUAEXT_BITS_2H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_2A | LUAEXT_BITS_2H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_4A | LUAEXT_BITS_2H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_1A | LUAEXT_BITS_4H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_2A | LUAEXT_BITS_4H:
+		case LUAEXT_TTABLE | LUAEXT_BITS_4A | LUAEXT_BITS_4H:
+			{
+				unsigned int arraySize = 0;
+				if(BITMATCH(type,LUAEXT_BITS_4A) || BITMATCH(type,LUAEXT_BITS_2A) || BITMATCH(type,LUAEXT_BITS_1A))
+					arraySize |= AdvanceByteStream<u8>(data, remaining);
+				if(BITMATCH(type,LUAEXT_BITS_4A) || BITMATCH(type,LUAEXT_BITS_2A))
+					arraySize |= ((u16)AdvanceByteStream<u8>(data, remaining)) << 8;
+				if(BITMATCH(type,LUAEXT_BITS_4A))
+					arraySize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 16,
+					arraySize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 24;
+
+				unsigned int hashSize = 0;
+				if(BITMATCH(type,LUAEXT_BITS_4H) || BITMATCH(type,LUAEXT_BITS_2H) || BITMATCH(type,LUAEXT_BITS_1H))
+					hashSize |= AdvanceByteStream<u8>(data, remaining);
+				if(BITMATCH(type,LUAEXT_BITS_4H) || BITMATCH(type,LUAEXT_BITS_2H))
+					hashSize |= ((u16)AdvanceByteStream<u8>(data, remaining)) << 8;
+				if(BITMATCH(type,LUAEXT_BITS_4H))
+					hashSize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 16,
+					hashSize |= ((u32)AdvanceByteStream<u8>(data, remaining)) << 24;
+
+				lua_createtable(L, arraySize, hashSize);
+
+				unsigned int n = 1;
+				while(n <= arraySize)
+				{
+					if(*data == LUAEXT_TNILS)
+					{
+						AdvanceByteStream(data, remaining, 1);
+						n += AdvanceByteStream<u32>(data, remaining);
+					}
+					else
+					{
+						BinaryToLuaStackConverter(L, data, remaining); // push value
+						lua_rawseti(L, -2, n); // table[n] = value
+						n++;
+					}
+				}
+
+				for(unsigned int h = 1; h <= hashSize; h++)
+				{
+					BinaryToLuaStackConverter(L, data, remaining); // push key
+					BinaryToLuaStackConverter(L, data, remaining); // push value
+					lua_rawset(L, -3); // table[key] = value
+				}
+			}
+			break;
+	}
+}
+
+static const unsigned char luaBinaryMajorVersion = 9;
+static const unsigned char luaBinaryMinorVersion = 1;
+
+unsigned char* LuaStackToBinary(lua_State* L, unsigned int& size)
+{
+	int n = lua_gettop(L);
+	if(n == 0)
+		return NULL;
+
+	std::vector<unsigned char> output;
+	output.push_back(luaBinaryMajorVersion);
+	output.push_back(luaBinaryMinorVersion);
+
+	for(int i = 1; i <= n; i++)
+		LuaStackToBinaryConverter(L, i, output);
+
+	unsigned char* rv = new unsigned char [output.size()];
+	memcpy(rv, &output.front(), output.size());
+	size = (int)output.size();
+	return rv;
+}
+
+void BinaryToLuaStack(lua_State* L, const unsigned char* data, unsigned int size, unsigned int itemsToLoad)
+{
+	unsigned char major = *data++;
+	unsigned char minor = *data++;
+	size -= 2;
+	if(luaBinaryMajorVersion != major || luaBinaryMinorVersion != minor)
+		return;
+
+	while(size > 0 && itemsToLoad > 0)
+	{
+		BinaryToLuaStackConverter(L, data, size);
+		itemsToLoad--;
+	}
+}
+
+// saves Lua stack into a record and pops it
+void LuaSaveData::SaveRecord(int uid, unsigned int key)
+{
+	LuaContextInfo& info = *luaContextInfo[uid];
+	lua_State* L = info.L;
+	if(!L)
+		return;
+
+	Record* cur = new Record();
+	cur->key = key;
+	cur->data = LuaStackToBinary(L, cur->size);
+	cur->next = NULL;
+
+	lua_settop(L,0);
+
+	if(cur->size <= 0)
+	{
+		delete cur;
+		return;
+	}
+
+	Record* last = recordList;
+	while(last && last->next)
+		last = last->next;
+	if(last)
+		last->next = cur;
+	else
+		recordList = cur;
+}
+
+// pushes a record's data onto the Lua stack
+void LuaSaveData::LoadRecord(int uid, unsigned int key, unsigned int itemsToLoad) const
+{
+	LuaContextInfo& info = *luaContextInfo[uid];
+	lua_State* L = info.L;
+	if(!L)
+		return;
+
+	Record* cur = recordList;
+	while(cur)
+	{
+		if(cur->key == key)
+		{
+			s_dbg_dataStart = cur->data;
+			s_dbg_dataSize = cur->size;
+			BinaryToLuaStack(L, cur->data, cur->size, itemsToLoad);
+			return;
+		}
+		cur = cur->next;
+	}
+}
+
+// saves part of the Lua stack (at the given index) into a record and does NOT pop anything
+void LuaSaveData::SaveRecordPartial(int uid, unsigned int key, int idx)
+{
+	LuaContextInfo& info = *luaContextInfo[uid];
+	lua_State* L = info.L;
+	if(!L)
+		return;
+
+	if(idx < 0)
+		idx += lua_gettop(L)+1;
+
+	Record* cur = new Record();
+	cur->key = key;
+	cur->next = NULL;
+
+	if(idx <= lua_gettop(L))
+	{
+		std::vector<unsigned char> output;
+		output.push_back(luaBinaryMajorVersion);
+		output.push_back(luaBinaryMinorVersion);
+
+		LuaStackToBinaryConverter(L, idx, output);
+
+		unsigned char* rv = new unsigned char [output.size()];
+		memcpy(rv, &output.front(), output.size());
+		cur->size = (int)output.size();
+		cur->data = rv;
+	}
+
+	if(cur->size <= 0)
+	{
+		delete cur;
+		return;
+	}
+
+	Record* last = recordList;
+	while(last && last->next)
+		last = last->next;
+	if(last)
+		last->next = cur;
+	else
+		recordList = cur;
+}
+
+void fwriteint(unsigned int value, FILE* file)
+{
+	for(int i=0;i<4;i++)
+	{
+		int w = value & 0xFF;
+		fwrite(&w, 1, 1, file);
+		value >>= 8;
+	}
+}
+void freadint(unsigned int& value, FILE* file)
+{
+	int rv = 0;
+	for(int i=0;i<4;i++)
+	{
+		int r = 0;
+		fread(&r, 1, 1, file);
+		rv |= r << (i*8);
+	}
+	value = rv;
+}
+
+// writes all records to an already-open file
+void LuaSaveData::ExportRecords(void* fileV) const
+{
+	FILE* file = (FILE*)fileV;
+	if(!file)
+		return;
+
+	Record* cur = recordList;
+	while(cur)
+	{
+		fwriteint(cur->key, file);
+		fwriteint(cur->size, file);
+		fwrite(cur->data, cur->size, 1, file);
+		cur = cur->next;
+	}
+}
+
+// reads records from an already-open file
+void LuaSaveData::ImportRecords(void* fileV)
+{
+	FILE* file = (FILE*)fileV;
+	if(!file)
+		return;
+
+	ClearRecords();
+
+	Record rec;
+	Record* cur = &rec;
+	Record* last = NULL;
+	while(1)
+	{
+		freadint(cur->key, file);
+		freadint(cur->size, file);
+
+		if(feof(file) || ferror(file))
+			break;
+
+		cur->data = new unsigned char [cur->size];
+		fread(cur->data, cur->size, 1, file);
+
+		Record* next = new Record();
+		memcpy(next, cur, sizeof(Record));
+		next->next = NULL;
+
+		if(last)
+			last->next = next;
+		else
+			recordList = next;
+		last = next;
+	}
+}
+
+void LuaSaveData::ClearRecords()
+{
+	Record* cur = recordList;
+	while(cur)
+	{
+		Record* del = cur;
+		cur = cur->next;
+
+		delete[] del->data;
+		delete del;
+	}
+
+	recordList = NULL;
+}
+
+
+
+void DontWorryLua() // everything's going to be OK
+{
+	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		dontworry(*iter->second);
+		++iter;
+	}
+}
+
+void EnableStopAllLuaScripts(bool enable)
+{
+	g_stopAllScriptsEnabled = enable;
+}
+
+void StopAllLuaScripts()
+{
+	if(!g_stopAllScriptsEnabled)
+		return;
+
+	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		int uid = iter->first;
+		LuaContextInfo& info = *iter->second;
+		bool wasStarted = info.started;
+		StopLuaScript(uid);
+		info.restartLater = wasStarted;
+		++iter;
+	}
+}
+
+void RestartAllLuaScripts()
+{
+	if(!g_stopAllScriptsEnabled)
+		return;
+
+	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		int uid = iter->first;
+		LuaContextInfo& info = *iter->second;
+		if(info.restartLater || info.started)
+		{
+			info.restartLater = false;
+			RunLuaScriptFile(uid, info.lastFilename.c_str());
+		}
+		++iter;
+	}
+}
+
+// sets anything that needs to depend on the total number of scripts running
+void RefreshScriptStartedStatus()
+{
+	int numScriptsStarted = 0;
+
+	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		LuaContextInfo& info = *iter->second;
+		if(info.started)
+			numScriptsStarted++;
+		++iter;
+	}
+
+	frameadvSkipLagForceDisable = (numScriptsStarted != 0); // disable while scripts are running because currently lag skipping makes lua callbacks get called twice per frame advance
+	g_numScriptsStarted = numScriptsStarted;
+}
+
+// sets anything that needs to depend on speed mode or running status of scripts
+void RefreshScriptSpeedStatus()
+{
+	g_anyScriptsHighSpeed = false;
+
+	std::map<int, LuaContextInfo*>::const_iterator iter = luaContextInfo.begin();
+	std::map<int, LuaContextInfo*>::const_iterator end = luaContextInfo.end();
+	while(iter != end)
+	{
+		LuaContextInfo& info = *iter->second;
+		if(info.running)
+			if(info.speedMode == SPEEDMODE_TURBO || info.speedMode == SPEEDMODE_MAXIMUM)
+				g_anyScriptsHighSpeed = true;
+		++iter;
+	}
+}
+
+
+
+};
diff --git a/Source/Core/DSPCore/Src/DspIntArithmetic.cpp b/Source/Core/DSPCore/Src/DspIntArithmetic.cpp
index 728a612eab..3d03ad334c 100644
--- a/Source/Core/DSPCore/Src/DspIntArithmetic.cpp
+++ b/Source/Core/DSPCore/Src/DspIntArithmetic.cpp
@@ -548,6 +548,7 @@ void addr(const UDSPInstruction& opc)
 // SUBR $acD.M, $axS.L
 // 0101 0ssd xxxx xxxx
 // Subtracts register $axS.L from accumulator $acD.M register.
+// NOTE: It is seen in DSP_UCODE_ZELDA that AXs.H can also be subtracted
 void subr(const UDSPInstruction& opc)
 {
 	u8 areg = (opc.hex >> 8) & 0x1;