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Add rom.getfilename Lua function 

Also, add documention to rom.gethash function
This commit is contained in:
Brendan Byrd 2018-11-25 12:25:55 -05:00
parent 03851153ed
commit 319293e20b
2 changed files with 31 additions and 11 deletions
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32
src/lua-engine.cpp
View File

@ -12,6 +12,7 @@
#include "types.h" #include "types.h"
#include "fceu.h" #include "fceu.h"
#include "file.h"
#include "video.h" #include "video.h"
#include "debug.h" #include "debug.h"
#include "sound.h" #include "sound.h"
@ -27,6 +28,8 @@
#include "utils/crc32.h" #include "utils/crc32.h"
#include "fceulua.h" #include "fceulua.h"
extern char FileBase[];
#ifdef WIN32 #ifdef WIN32
#include "drivers/win/common.h" #include "drivers/win/common.h"
#include "drivers/win/main.h" #include "drivers/win/main.h"
@ -1316,6 +1319,23 @@ void CallRegisteredLuaLoadFunctions(int savestateNumber, const LuaSaveData& save
} }
// rom.getfilename()
//
// Base filename of the currently loaded ROM, or nil if none is loaded
static int rom_getfilename(lua_State *L) {
if (GameInfo) lua_pushstring(L, FileBase);
else lua_pushnil(L);
return 1;
}
static int rom_gethash(lua_State *L) {
const char *type = luaL_checkstring(L, 1);
if(!type) lua_pushstring(L, "");
else if(!stricmp(type,"md5")) lua_pushstring(L, md5_asciistr(GameInfo->MD5));
else lua_pushstring(L, "");
return 1;
}
static int rom_readbyte(lua_State *L) { static int rom_readbyte(lua_State *L) {
lua_pushinteger(L, FCEU_ReadRomByte(luaL_checkinteger(L,1))); lua_pushinteger(L, FCEU_ReadRomByte(luaL_checkinteger(L,1)));
return 1; return 1;
@ -1355,14 +1375,6 @@ static int rom_writebyte(lua_State *L)
return 1; return 1;
} }
static int rom_gethash(lua_State *L) {
const char *type = luaL_checkstring(L, 1);
if(!type) lua_pushstring(L, "");
else if(!stricmp(type,"md5")) lua_pushstring(L, md5_asciistr(GameInfo->MD5));
else lua_pushstring(L, "");
return 1;
}
static int memory_readbyte(lua_State *L) { static int memory_readbyte(lua_State *L) {
lua_pushinteger(L, GetMem(luaL_checkinteger(L,1))); lua_pushinteger(L, GetMem(luaL_checkinteger(L,1)));
return 1; return 1;
@ -5606,7 +5618,6 @@ static int emu_exec_time(lua_State *L) { return 0; }
#endif #endif
static const struct luaL_reg emulib [] = { static const struct luaL_reg emulib [] = {
{"poweron", emu_poweron}, {"poweron", emu_poweron},
{"debuggerloop", emu_debuggerloop}, {"debuggerloop", emu_debuggerloop},
{"debuggerloopstep", emu_debuggerloopstep}, {"debuggerloopstep", emu_debuggerloopstep},
@ -5640,13 +5651,14 @@ static const struct luaL_reg emulib [] = {
}; };
static const struct luaL_reg romlib [] = { static const struct luaL_reg romlib [] = {
{"getfilename", rom_getfilename},
{"gethash", rom_gethash},
{"readbyte", rom_readbyte}, {"readbyte", rom_readbyte},
{"readbytesigned", rom_readbytesigned}, {"readbytesigned", rom_readbytesigned},
// alternate naming scheme for unsigned // alternate naming scheme for unsigned
{"readbyteunsigned", rom_readbyte}, {"readbyteunsigned", rom_readbyte},
{"readbyterange", rom_readbyterange}, {"readbyterange", rom_readbyterange},
{"writebyte", rom_writebyte}, {"writebyte", rom_writebyte},
{"gethash", rom_gethash},
{NULL,NULL} {NULL,NULL}
}; };

10
web/help/LuaFunctionsList.html
View File

@ -1,5 +1,5 @@
<html> <html>
<head> <head>
<title>Lua Functions List</title> <title>Lua Functions List</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
@ -218,6 +218,14 @@
<p><span class="rvts37"><br/></span></p> <p><span class="rvts37"><br/></span></p>
<p><span class="rvts71">ROM Library</span></p> <p><span class="rvts71">ROM Library</span></p>
<p><span class="rvts37"><br/></span></p> <p><span class="rvts37"><br/></span></p>
<p><span class="rvts63">rom.getfilename()</span></p>
<p><span class="rvts37"><br/></span></p>
<p><span class="rvts37">Get the base filename of the ROM loaded.</span></p>
<p><span class="rvts37"><br/></span></p>
<p><span class="rvts63">rom.gethash(string type)</span></p>
<p><span class="rvts37"><br/></span></p>
<p><span class="rvts37">Get a hash of the ROM loaded, for verification. The only currently supported type is "md5".</span></p>
<p><span class="rvts37"><br/></span></p>
<p><span class="rvts63">rom.readbyte(int address)</span></p> <p><span class="rvts63">rom.readbyte(int address)</span></p>
<p><span class="rvts63">rom.readbyteunsigned(int address)</span></p> <p><span class="rvts63">rom.readbyteunsigned(int address)</span></p>
<p><span class="rvts37"><br/></span></p> <p><span class="rvts37"><br/></span></p>