mirror of
https://github.com/dborth/fceugx.git
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163 lines
3.5 KiB
C
163 lines
3.5 KiB
C
/****************************************************************************
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* FCE Ultra 0.98.12
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* Nintendo Wii/Gamecube Port
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*
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* Tantric September 2008
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*
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* fceload.c
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*
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* NES Memory Load Game
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*
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* This performs the functions of LoadGame and iNESLoad from a single module
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* Helper function for GameCube injected ROMS
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "types.h"
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#include "git.h"
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#include "driver.h"
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#include "palette.h"
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#include "fceu.h"
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#include "sound.h"
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#include "file.h"
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#include "fceugx.h"
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#include "gcaudio.h"
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#include "common.h"
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#include "pad.h"
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#include "menudraw.h"
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#include "fileop.h"
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#include "filesel.h"
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#include "smbop.h"
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unsigned char *nesrom;
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bool romLoaded = false;
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extern FCEUGI *FCEUGameInfo;
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#define SAMPLERATE 48000
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FCEUFILE *fceufp = NULL;
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MEMWRAP *fceumem = NULL;
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unsigned char * fceuFileData = NULL;
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void MakeFCEUFile(char * membuffer, int length)
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{
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if(fceufp != NULL)
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{
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free(fceuFileData);
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free(fceumem);
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free(fceufp);
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fceuFileData = NULL;
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fceumem = NULL;
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fceufp = NULL;
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}
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fceufp =(FCEUFILE *)malloc(sizeof(FCEUFILE));
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fceufp->type=3;
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fceumem = (MEMWRAP *)malloc(sizeof(MEMWRAP));
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fceumem->location=0;
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fceumem->size=length;
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fceuFileData = (unsigned char *)malloc(length);
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memcpy(fceuFileData, membuffer, length);
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fceumem->data=fceuFileData;
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fceufp->fp = fceumem;
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}
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extern int FDSLoad(const char *name, FCEUFILE *fp);
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extern int iNESLoad(const char *name, FCEUFILE *fp);
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extern int UNIFLoad(const char *name, FCEUFILE *fp);
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extern int NSFLoad(FCEUFILE *fp);
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extern uint8 FDSBIOS[8192];
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int GCMemROM(int method, int size)
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{
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ResetGameLoaded();
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/*** Allocate and clear GameInfo ***/
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FCEUGameInfo = malloc(sizeof(FCEUGI));
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memset(FCEUGameInfo, 0, sizeof(FCEUGI));
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/*** Set some default values ***/
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FCEUGameInfo->soundchan = 1;
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FCEUGameInfo->soundrate = SAMPLERATE;
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FCEUGameInfo->name=0;
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FCEUGameInfo->type=GIT_CART;
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FCEUGameInfo->vidsys=GIV_USER;
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FCEUGameInfo->input[0]=FCEUGameInfo->input[1]=-1;
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FCEUGameInfo->inputfc=-1;
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FCEUGameInfo->cspecial=0;
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/*** Set internal sound information ***/
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FCEUI_Sound(SAMPLERATE);
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FCEUI_SetSoundVolume(100); // 0-100
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FCEUI_SetLowPass(0);
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InitialisePads();
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MakeFCEUFile((char *)nesrom, size);
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nesGameType = 0;
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if(iNESLoad(NULL, fceufp))
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nesGameType = 1;
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else if(UNIFLoad(NULL,fceufp))
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nesGameType = 2;
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else if(NSFLoad(fceufp))
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nesGameType = 3;
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else
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{
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// read FDS BIOS into FDSBIOS - should be 8192 bytes
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if(FDSBIOS[1] == 0)
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{
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int biosSize = 0;
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char * tmpbuffer = (char *)malloc(64 * 1024);
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char filepath[1024];
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if(MakeFilePath(filepath, FILE_FDSBIOS, method))
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{
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biosSize = LoadFileBuf (tmpbuffer, filepath, 0, method, SILENT);
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}
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if(biosSize == 8192)
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{
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memcpy(FDSBIOS, tmpbuffer, 8192);
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}
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else
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{
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if(biosSize > 0)
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WaitPrompt("FDS BIOS file is invalid!");
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return 0; // BIOS not loaded, do not load game
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}
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free(tmpbuffer);
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}
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// load game
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if(FDSLoad(NULL,fceufp))
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nesGameType = 4;
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}
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if (nesGameType > 0)
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{
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FCEU_ResetVidSys();
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PowerNES();
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FCEU_ResetPalette();
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FCEU_ResetMessages(); // Save state, status messages, etc.
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SetSoundVariables();
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ResetAudio();
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romLoaded = true;
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return 1;
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}
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else
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{
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WaitPrompt("Invalid game file!");
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romLoaded = false;
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return 0;
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}
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}
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