int FCEUSS_LoadFP(FILE *st)
{
int x;
uint8 header[16];
int stateversion;
fread(&header,1,16,st);
if(memcmp(header,"FCS",3))
return(0);
if(header[3] == 0xFF)
stateversion = FCEU_de32lsb(header + 8);
else
stateversion=header[3] * 100;
x=ReadStateChunks(st,*(uint32*)(header+4));
if(stateversion<9500) X.IRQlow=0;
if(GameStateRestore) GameStateRestore(stateversion);
if(x)
{
FCEUPPU_LoadState(stateversion);
FCEUSND_LoadState(stateversion);
}
return(x);
}
int FCEUSS_LoadFP(FILE *st, int make_backup)
{
int x;
if(st!=NULL)
{
uint8 header[16];
fread(&header,1,16,st);
if(memcmp(header,"FCS",3))
{
fseek(st,0,SEEK_SET);
if(!LoadStateOld(st))
goto lerror;
goto okload;
}
stateversion=header[3];
if(stateversion<53)
FixOldSaveStateSFreq();
x=ReadStateChunks(st);
if(GameStateRestore) GameStateRestore(header[3]);
if(x)
{
okload:
TempAddr=TempAddrT;
RefreshAddr=RefreshAddrT;
SaveStateStatus[CurrentState]=1;
FCEU_DispMessage("State %d loaded.",CurrentState);
SaveStateStatus[CurrentState]=1;
}
else
{
SaveStateStatus[CurrentState]=1;
FCEU_DispMessage("Error(s) reading state %d!",CurrentState);
}
}
else
{
lerror:
FCEU_DispMessage("State %d load error.",CurrentState);
SaveStateStatus[CurrentState]=0;
return 0;
}
return 1;
}
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;
}
