static boolean ConvertMus(byte *musdata, int len, const char *filename)
{
MEMFILE *instream;
MEMFILE *outstream;
void *outbuf;
size_t outbuf_len;
int result;
instream = mem_fopen_read(musdata, len);
outstream = mem_fopen_write();
result = mus2mid(instream, outstream);
if (result == 0)
{
mem_get_buf(outstream, &outbuf, &outbuf_len);
M_WriteFile(filename, outbuf, outbuf_len);
}
mem_fclose(instream);
mem_fclose(outstream);
return result;
}
void CheckStates(void)
{
MEMFILE *st=NULL;
int ssel;
if(SaveStateStatus[0]==(char)-1)
for(ssel=0;ssel<10;ssel++)
{
st=fopen(FCEU_MakeFName(FCEUMKF_STATE,ssel,0),"rb");
if(st)
{
SaveStateStatus[ssel]=1;
mem_fclose(st);
}
else
SaveStateStatus[ssel]=0;
}
}
void SaveState(const char *fname)
{
MEMFILE *st=NULL;
TempAddrT=TempAddr;
RefreshAddrT=RefreshAddr;
if(geniestage==1)
{
FCEU_DispMessage("Cannot save FCS in GG screen.");
return;
}
st=mem_fopen_write(fname);
if(st!=NULL)
{
static uint32 totalsize;
static uint8 header[16]="FCS";
memset(header+4,0,13);
header[3]=VERSION_NUMERIC;
mem_fwrite(header,1,16,st);
#ifdef ASM_6502
asmcpu_pack();
#endif
totalsize=WriteStateChunk(st,1,SFCPU);
totalsize+=WriteStateChunk(st,2,SFCPUC);
totalsize+=WriteStateChunk(st,3,FCEUPPU_STATEINFO);
totalsize+=WriteStateChunk(st,4,FCEUCTRL_STATEINFO);
totalsize+=WriteStateChunk(st,5,SFSND);
if(SPreSave) SPreSave();
totalsize+=WriteStateChunk(st,0x10,SFMDATA);
if(SPostSave) SPostSave();
mem_fseek(st,4,SEEK_SET);
mem_write32(totalsize,st);
SaveStateStatus[CurrentState]=1;
mem_fclose(st);
}
}
void LoadState(const char *fname)
{
MEMFILE *st=NULL;
if(geniestage==1)
{
// FCEU_DispMessage("Cannot load FCS in GG screen.");
return;
}
st=mem_fopen_read(fname);
if (st)
{
FCEUSS_LoadFP(st, 0);
mem_fclose(st);
}
else
{
FCEU_DispMessage("State %d load error (no file).",CurrentState);
SaveStateStatus[CurrentState]=0;
}
}
static int LoadStateOld(MEMFILE *st)
{
int x;
int32 nada;
uint8 version;
nada=0;
printf("LoadStateOld\n");
StateBuffer=FCEU_malloc(59999);
if(StateBuffer==NULL)
return 0;
if(!mem_fread(StateBuffer,59999,1,st))
{
mem_fclose(st);
free(StateBuffer);
return 0;
}
intostate=0;
{
uint8 a[2];
afread(&a[0],1,1);
afread(&a[1],1,1);
X.PC=a[0]|(a[1]<<8);
}
afread(&X.A,1,1);
afread(&X.P,1,1);
afread(&X.X,1,1);
afread(&X.Y,1,1);
afread(&X.S,1,1);
afread(&version,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
aread32((int8 *)&X.count);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
aread32((int8 *)&nada);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
for(x=0;x<8;x++)
areadupper8of16((int8 *)&CHRBankList[x]);
afread(PRGBankList,4,1);
for(x=0;x<8;x++)
areadlower8of16((int8 *)&CHRBankList[x]);
afread(CHRRAM,1,0x2000);
afread(NTARAM,1,0x400);
afread(ExtraNTARAM,1,0x400);
afread(NTARAM+0x400,1,0x400);
afread(ExtraNTARAM+0x400,1,0x400);
for(x=0;x<0xF00;x++)
afread(&nada,1,1);
afread(PALRAM,1,0x20);
for(x=0;x<256-32;x++)
afread(&nada,1,1);
for(x=0x00;x<0x20;x++)
PALRAM[x]&=0x3f;
afread(PPU,1,4);
afread(SPRAM,1,0x100);
afread(WRAM,1,8192);
afread(RAM,1,0x800);
aread16((int8 *)&scanline);
aread16((int8 *)&RefreshAddr);
afread(&VRAMBuffer,1,1);
afread(&IRQa,1,1);
aread32((int8 *)&IRQCount);
aread32((int8 *)&IRQLatch);
afread(&Mirroring,1,1);
afread(PSG,1,0x17);
PSG[0x11]&=0x7F;
afread(MapperExRAM,1,193);
if(version>=31)
PSG[0x17]=MapperExRAM[115];
else
PSG[0x17]|=0x40;
PSG[0x15]&=0xF;
sqnon=PSG[0x15];
X.IRQlow=0;
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&nada,1,1);
afread(&XOffset,1,1);
PPUCHRRAM=0;
for(x=0;x<8;x++)
{
nada=0;
afread(&nada,1,1);
PPUCHRRAM|=(nada?1:0)<<x;
}
afread(mapbyte1,1,8);
afread(mapbyte2,1,8);
afread(mapbyte3,1,8);
afread(mapbyte4,1,8);
for(x=0;x<4;x++)
aread16((int8 *)&nada);
PPUNTARAM=0;
for(x=0;x<4;x++)
{
nada=0;
aread16((int8 *)&nada);
PPUNTARAM|=((nada&0x800)?0:1)<<x;
}
afread(MapperExRAM,1,32768);
afread(&vtoggle,1,1);
aread16((int8 *)&TempAddrT);
aread16((int8 *)&RefreshAddrT);
if(GameStateRestore) GameStateRestore(version);
free(StateBuffer);
FixOldSaveStateSFreq();
X.mooPI=X.P;
return 1;
}
int I_RegisterSong (char *data, size_t musicLen)
{
if(!music_initialized)
return 0;
// input mus memory file and midi
MEMFILE *mus = mem_fopen_read(data, musicLen);
MEMFILE *midi = mem_fopen_write();
I_UnRegisterSong(0);
int result = mus2mid(mus, midi);
switch(result)
{
case 1:
Printf(PRINT_HIGH, "MUS is not valid\n");
break;
case 0:
case 2:
{
#ifdef OSX
if (NewMusicSequence(&sequence) != noErr)
return 0;
cfd = CFDataCreate(NULL, (const Uint8 *)mem_fgetbuf(midi), mem_fsize(midi));
if(!cfd)
{
DisposeMusicSequence(sequence);
return 0;
}
if (MusicSequenceLoadSMFData(sequence, (CFDataRef)cfd) != noErr)
{
DisposeMusicSequence(sequence);
CFRelease(cfd);
return 0;
}
registered_tracks[0].Track = (Mix_Music*)1;
#else
Mix_Music *music = 0;
// older versions of sdl-mixer require a physical midi file to be read, 1.2.7+ can read from memory
#ifndef TEMP_MIDI // SDL >= 1.2.7
if (result == 0) // it is a midi
{
registered_tracks[0].Data = SDL_RWFromMem(mem_fgetbuf(midi), mem_fsize(midi));
}
else // it is another format
{
registered_tracks[0].Data = SDL_RWFromMem(data, musicLen);
}
if (!registered_tracks[0].Data)
{
Printf(PRINT_HIGH, "SDL_RWFromMem: %s\n", SDL_GetError());
break;
}
music = Mix_LoadMUS_RW(registered_tracks[0].Data);
if(!music)
{
Printf(PRINT_HIGH, "Mix_LoadMUS_RW: %s\n", Mix_GetError());
SDL_FreeRW(registered_tracks[0].Data);
registered_tracks[0].Data = NULL;
break;
}
#else // SDL <= 1.2.6 - Create a file so it can load the midi
FILE *fp = fopen(TEMP_MIDI, "wb+");
if(!fp)
{
Printf(PRINT_HIGH, "Could not open temporary music file %s, not playing track\n", TEMP_MIDI);
break;
}
for(int i = 0; i < mem_fsize(midi); i++)
fputc(mem_fgetbuf(midi)[i], fp);
fclose(fp);
music = Mix_LoadMUS(TEMP_MIDI);
if(!music)
{
Printf(PRINT_HIGH, "Mix_LoadMUS: %s\n", Mix_GetError());
break;
}
#endif
registered_tracks[0].Track = music;
#endif // OSX
break;
} // case 2
}
mem_fclose(mus);
mem_fclose(midi);
return 1;
}