fceugx/source/ngc/fceuload.cpp
2009-07-22 02:05:49 +00:00

156 lines
3.1 KiB
C++

/****************************************************************************
* FCE Ultra
* Nintendo Wii/Gamecube Port
*
* Tantric 2008-2009
*
* fceload.c
*
* NES Memory Load Game
*
* This performs the functions of LoadGame and iNESLoad from a single module
* Helper function for GameCube injected ROMS
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include "fceugx.h"
#include "gcaudio.h"
#include "fceusupport.h"
#include "pad.h"
#include "menu.h"
#include "fileop.h"
#include "filebrowser.h"
#include "cheatmgr.h"
bool romLoaded = false;
#define SAMPLERATE 48000
int GCMemROM(int method, int size)
{
ResetGameLoaded();
CloseGame();
GameInfo = new FCEUGI();
memset(GameInfo, 0, sizeof(FCEUGI));
GameInfo->filename = strdup(romFilename);
GameInfo->archiveCount = 0;
/*** Set some default values ***/
GameInfo->soundchan = 1;
GameInfo->soundrate = SAMPLERATE;
GameInfo->name=0;
GameInfo->type=GIT_CART;
GameInfo->vidsys=GIV_USER;
GameInfo->input[0]=GameInfo->input[1]=SI_UNSET;
GameInfo->inputfc=SIFC_UNSET;
GameInfo->cspecial=SIS_NONE;
/*** Set internal sound information ***/
FCEUI_Sound(SAMPLERATE);
FCEUI_SetSoundVolume(100); // 0-100
FCEUI_SetLowPass(0);
FCEUFILE * fceufp = new FCEUFILE();
fceufp->size = size;
fceufp->filename = romFilename;
memorystream * fceumem;
romLoaded = false;
// for some reason FCEU_fseek(fp,0,SEEK_SET); fails, so we will do this
fceumem = new memorystream((char *) nesrom, size);
fceufp->stream = fceumem;
romLoaded = iNESLoad(romFilename, fceufp, 1);
if(!romLoaded)
{
delete fceumem;
fceumem = new memorystream((char *) nesrom, size);
fceufp->stream = fceumem;
romLoaded = UNIFLoad(romFilename, fceufp);
}
if(!romLoaded)
{
delete fceumem;
fceumem = new memorystream((char *) nesrom, size);
fceufp->stream = fceumem;
romLoaded = NSFLoad(fceufp);
}
if(!romLoaded)
{
// read FDS BIOS into FDSBIOS - should be 8192 bytes
if (FDSBIOS[1] == 0)
{
int biosSize = 0;
char * tmpbuffer = (char *) memalign(32, 64 * 1024);
char filepath[1024];
if (MakeFilePath(filepath, FILE_FDSBIOS, method))
{
biosSize = LoadFile(tmpbuffer, filepath, 0, method, SILENT);
}
if (biosSize == 8192)
{
memcpy(FDSBIOS, tmpbuffer, 8192);
}
else
{
if (biosSize > 0)
ErrorPrompt("FDS BIOS file is invalid!");
else
ErrorPrompt("FDS BIOS file not found!");
}
free(tmpbuffer);
}
if (FDSBIOS[1] != 0)
{
// load game
delete fceumem;
fceumem = new memorystream((char *) nesrom, size);
fceufp->stream = fceumem;
romLoaded = FDSLoad(romFilename, fceufp);
}
}
delete fceufp;
if (romLoaded)
{
FCEU_ResetVidSys();
//if(GameInfo->type!=GIT_NSF)
// if(FSettings.GameGenie)
// OpenGenie();
PowerNES();
//if(GameInfo->type!=GIT_NSF)
// FCEU_LoadGamePalette();
FCEU_ResetPalette();
FCEU_ResetMessages(); // Save state, status messages, etc.
SetupCheats();
ResetAudio();
return 1;
}
else
{
delete GameInfo;
GameInfo = 0;
ErrorPrompt("Invalid game file!");
romLoaded = false;
return 0;
}
}