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fceux
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emulua: add rom.readbyte and rom.readbytesigned

This commit is contained in:
zeromus 2008-11-02 20:11:14 +00:00
parent eb392878b9
commit cda4fb4824
5 changed files with 438 additions and 408 deletions
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4
changelog.txt
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@ -1,3 +1,7 @@
---version 2.0.4 yet to be released---
02-nov-2008 - zeromus - emulua - add rom.readbyte and rom.readbytesigned
---version 2.0.3 released---
02-nov-2008 - zeromus - fix fcm conversion, recording, and playback of reset and power commands

9
src/fceu.cpp
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@ -48,6 +48,8 @@
#include "input.h"
#include "file.h"
#include "vsuni.h"
#include "ines.h"
#ifdef _S9XLUA_H
#include "fceulua.h"
#endif
@ -1070,3 +1072,10 @@ bool FCEUXLoad(const char *name, FCEUFILE *fp)
}
uint8 FCEU_ReadRomByte(uint32 i) {
extern iNES_HEADER head;
if(i < 16) return *((unsigned char *)&head+i);
if(i < 16+PRGsize[0])return PRGptr[0][i-16];
if(i < 16+PRGsize[0]+CHRsize[0])return CHRptr[0][i-16-PRGsize[0]];
return 0;
}

2
src/fceu.h
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@ -45,6 +45,8 @@ extern uint8 *RAM; //shared memory modifications
extern uint8 *GameMemBlock; //shared memory modifications
extern int EmulationPaused;
uint8 FCEU_ReadRomByte(uint32 i);
extern readfunc ARead[0x10000];
extern writefunc BWrite[0x10000];

5
src/ines.h
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@ -19,6 +19,9 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _INES_H_
#define _INES_H_
#ifdef INESPRIV
void iNESStateRestore(int version);
@ -425,3 +428,5 @@ void Mapper245_Init(CartInfo *);
void Mapper249_Init(CartInfo *);
void Mapper250_Init(CartInfo *);
void Mapper254_Init(CartInfo *);
#endif

10
src/lua-engine.cpp
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@ -330,6 +330,8 @@ static int fceu_message(lua_State *L) {
}
static int rom_readbyte(lua_State *L) { lua_pushinteger(L, FCEU_ReadRomByte(luaL_checkinteger(L,1))); return 1; }
static int rom_readbytesigned(lua_State *L) { lua_pushinteger(L, (signed char)FCEU_ReadRomByte(luaL_checkinteger(L,1))); return 1; }
static int memory_readbyte(lua_State *L) { lua_pushinteger(L, FCEU_CheatGetByte(luaL_checkinteger(L,1))); return 1; }
static int memory_writebyte(lua_State *L) { FCEU_CheatSetByte(luaL_checkinteger(L,1), luaL_checkinteger(L,2)); return 0; }
static int memory_readbyterange(lua_State *L) {
@ -1507,6 +1509,13 @@ static const struct luaL_reg fceulib [] = {
{NULL,NULL}
};
static const struct luaL_reg romlib [] = {
{"readbyte", rom_readbyte},
{"readbytesigned", rom_readbytesigned},
{NULL,NULL}
};
static const struct luaL_reg memorylib [] = {
{"readbyte", memory_readbyte},
@ -1653,6 +1662,7 @@ int FCEU_LoadLuaCode(const char *filename) {
luaL_register(L, "FCEU", fceulib);
luaL_register(L, "memory", memorylib);
luaL_register(L, "rom", romlib);
luaL_register(L, "joypad", joypadlib);
luaL_register(L, "savestate", savestatelib);
luaL_register(L, "movie", movielib);