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Merged rewind with ZST. Todo: fix snapshot display, old state compatibility, sram options.

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This commit is contained in:
n-a-c-h
2005-01-31 00:06:03 +00:00
parent 8e333052bc
commit 9e48536463
2 changed files with 349 additions and 388 deletions
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2
zsnes/src/cpu/execute.asm
View File

@@ -61,7 +61,7 @@ EXTSYM deinitipx
%endif %endif
EXTSYM deinitvideo EXTSYM deinitvideo
EXTSYM BRRBuffer,DSPMem,PrepareSaveState,ResetState,SFXEnable,PHdspsave EXTSYM BRRBuffer,DSPMem,PrepareSaveState,ResetState,SFXEnable,PHdspsave
EXTSYM fnamest,sndrot,spcRam,spcRamDP,tableA,unpackfunct,vram,wramdata EXTSYM fnamest,sndrot,spcRam,spcRamDP,tableA,vram,wramdata
EXTSYM PHnum2writesfxreg,SfxR0,PHspcsave EXTSYM PHnum2writesfxreg,SfxR0,PHspcsave
EXTSYM C4Ram EXTSYM C4Ram
EXTSYM SPC7110Enable EXTSYM SPC7110Enable

733
zsnes/src/cpu/zstate.c
View File

@@ -45,8 +45,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#define stim() #define stim()
#endif #endif
/*Let's start converting stuff from execute.asm ^_^; //static unsigned char save_state_buffer[0x80000]; //Save state should never exceed half a megabyte
Big thanks to Nach, TRAC and anomie for helping me out on porting !!*/
extern unsigned int CBackupPos, PBackupPos, cycpbl; extern unsigned int CBackupPos, PBackupPos, cycpbl;
extern unsigned int *wramdata, *vram, PHspcsave, PHdspsave, *C4Ram, *sfxramdata; extern unsigned int *wramdata, *vram, PHspcsave, PHdspsave, *C4Ram, *sfxramdata;
@@ -68,33 +67,19 @@ extern short Op28X, Op0CA, Op02FX, Op0AVS, Op06X, Op01m, Op0DX, Op03F, Op14Zr;
extern short Op0EH; extern short Op0EH;
extern signed short Op10Coefficient; extern signed short Op10Coefficient;
void memcpyinc(unsigned char **dest, void *src, size_t len)
{
memcpy(*dest, src, len);
*dest += len;
}
void memcpyrinc(unsigned char **src, void *dest, size_t len)
{
memcpy(*src, dest, len);
*src += len;
}
char zsmesg[] = "ZSNES Save State File V0.6";
void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **, void *, size_t), bool file) void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **, void *, size_t), bool file)
{ {
if (file) //65816 status, etc.
{
copy_func(&buffer, zsmesg, sizeof(zsmesg)-1);
}
//SPC Timers
copy_func(&buffer, &cycpbl, 2*4); copy_func(&buffer, &cycpbl, 2*4);
//SNES PPU Register status
copy_func(&buffer, &sndrot, 3019); copy_func(&buffer, &sndrot, 3019);
//WRAM (128k), VRAM (64k)
copy_func(&buffer, wramdata, 8192*16); copy_func(&buffer, wramdata, 8192*16);
copy_func(&buffer, vram, 4096*16); copy_func(&buffer, vram, 4096*16);
if (spcon) if (spcon) //SPC stuff, DSP stuff
{ {
copy_func(&buffer, spcRam, PHspcsave); copy_func(&buffer, spcRam, PHspcsave);
copy_func(&buffer, BRRBuffer, PHdspsave); copy_func(&buffer, BRRBuffer, PHdspsave);
@@ -118,7 +103,6 @@ void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **,
copy_func(&buffer, SA1RAMArea, 8192*16); copy_func(&buffer, SA1RAMArea, 8192*16);
copy_func(&buffer, &SA1Status, 3); copy_func(&buffer, &SA1Status, 3);
copy_func(&buffer, &SA1xpc, 1*4); copy_func(&buffer, &SA1xpc, 1*4);
copy_func(&buffer, &SA1RAMArea, 6*4);
copy_func(&buffer, &sa1dmaptr, 2*4); copy_func(&buffer, &sa1dmaptr, 2*4);
} }
@@ -147,6 +131,9 @@ void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **,
if (SETAEnable) if (SETAEnable)
{ {
copy_func(&buffer, setaramdata, 256*16); copy_func(&buffer, setaramdata, 256*16);
//Todo: save the SetaCmdEnable? For completeness we should do it
//but currently we ignore it anyway.
} }
if (SPC7110Enable) if (SPC7110Enable)
@@ -178,12 +165,25 @@ void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **,
} }
} }
static void memcpyinc(unsigned char **dest, void *src, size_t len)
{
memcpy(*dest, src, len);
*dest += len;
}
void BackupCVFrame() void BackupCVFrame()
{ {
unsigned char *curpos = StateBackup + (CBackupPos << 19) + 1024; unsigned char *curpos = StateBackup + (CBackupPos << 19) + 1024;
copy_state_data(curpos, memcpyinc, false); copy_state_data(curpos, memcpyinc, false);
} }
static void memcpyrinc(unsigned char **src, void *dest, size_t len)
{
memcpy(dest, *src, len);
*src += len;
}
void RestoreCVFrame() void RestoreCVFrame()
{ {
unsigned char *curpos = StateBackup + (PBackupPos << 19) + 1024; unsigned char *curpos = StateBackup + (PBackupPos << 19) + 1024;
@@ -213,36 +213,47 @@ void SA1UpdateDPageC()
} }
extern unsigned int spcBuffera;
extern unsigned int Voice0BufPtr, Voice1BufPtr, Voice2BufPtr, Voice3BufPtr;
extern unsigned int Voice4BufPtr, Voice5BufPtr, Voice6BufPtr, Voice7BufPtr;
void PrepareSaveState()
{
Voice0BufPtr -= spcBuffera;
Voice1BufPtr -= spcBuffera;
Voice2BufPtr -= spcBuffera;
Voice3BufPtr -= spcBuffera;
Voice4BufPtr -= spcBuffera;
Voice5BufPtr -= spcBuffera;
Voice6BufPtr -= spcBuffera;
Voice7BufPtr -= spcBuffera;
}
extern unsigned int xdb, xpb, xs, xx, xy; extern unsigned int xdb, xpb, xs, xx, xy;
extern unsigned short oamaddrt, xat, xst, xdt, xxt, xyt; extern unsigned short oamaddrt, xat, xst, xdt, xxt, xyt;
extern unsigned char xdbt, xpbt; extern unsigned char xdbt, xpbt;
void unpackfunct() void unpackfunct()
{ {
oamaddrt = (oamaddr & 0xFFFF); oamaddrt = (oamaddr & 0xFFFF);
xat = (xa & 0xFFFF); xat = (xa & 0xFFFF);
xdbt = (xdb & 0xFF); xdbt = (xdb & 0xFF);
xpbt = (xpb & 0xFF); xpbt = (xpb & 0xFF);
xst = (xs & 0xFFFF); xst = (xs & 0xFFFF);
xdt = (xd & 0xFFFF); xdt = (xd & 0xFFFF);
xxt = (xx & 0xFFFF); xxt = (xx & 0xFFFF);
xyt = (xy & 0xFFFF); xyt = (xy & 0xFFFF);
}
extern unsigned int spcBuffera;
extern unsigned int Voice0BufPtr, Voice1BufPtr, Voice2BufPtr, Voice3BufPtr;
extern unsigned int Voice4BufPtr, Voice5BufPtr, Voice6BufPtr, Voice7BufPtr;
extern unsigned int Curtableaddr, tableA[256], spcPCRam, spcRamDP;
void PrepareSaveState()
{
unsigned int offst;
offst = (unsigned int)tableA;
Curtableaddr -= offst;
offst = (unsigned int)spcRam;
spcPCRam -= offst;
spcRamDP -= offst;
Voice0BufPtr -= spcBuffera;
Voice1BufPtr -= spcBuffera;
Voice2BufPtr -= spcBuffera;
Voice3BufPtr -= spcBuffera;
Voice4BufPtr -= spcBuffera;
Voice5BufPtr -= spcBuffera;
Voice6BufPtr -= spcBuffera;
Voice7BufPtr -= spcBuffera;
unpackfunct();
} }
#define byteset(byte, checkbit) (byte & (1 << checkbit)) ? 1 : 0 #define byteset(byte, checkbit) (byte & (1 << checkbit)) ? 1 : 0
@@ -388,72 +399,79 @@ extern unsigned char *SNSBWPtr;
void SaveSA1() void SaveSA1()
{ {
unsigned int offst=(unsigned int)SA1RegPCS; unsigned int offst=(unsigned int)SA1RegPCS;
SA1Stat &= 0xFFFFFF00; SA1Stat &= 0xFFFFFF00;
SA1Ptr -= offst; SA1Ptr -= offst;
if (SA1RegPCS == IRAM) if (SA1RegPCS == IRAM)
{ {
SA1Stat = (SA1Stat & 0xFFFFFF00) + 1; SA1Stat = (SA1Stat & 0xFFFFFF00) + 1;
} }
if (SA1RegPCS == IRAM-0x3000) if (SA1RegPCS == IRAM-0x3000)
{ {
SA1Stat = (SA1Stat & 0xFFFFFF00) + 2; SA1Stat = (SA1Stat & 0xFFFFFF00) + 2;
} }
offst = (unsigned int)romdata; offst = (unsigned int)romdata;
SA1RegPCS -= offst; SA1RegPCS -= offst;
CurBWPtr -= offst; CurBWPtr -= offst;
SA1BWPtr -= offst; SA1BWPtr -= offst;
SNSBWPtr -= offst; SNSBWPtr -= offst;
} }
void RestoreSA1() void RestoreSA1()
{ {
unsigned int offst=(unsigned int)romdata; unsigned int offst=(unsigned int)romdata;
SA1RegPCS += offst; SA1RegPCS += offst;
CurBWPtr += offst; CurBWPtr += offst;
SA1BWPtr += offst; SA1BWPtr += offst;
SNSBWPtr += offst; SNSBWPtr += offst;
if ((SA1Stat & 0xFF) == 1) if ((SA1Stat & 0xFF) == 1)
{ {
SA1RegPCS = IRAM; SA1RegPCS = IRAM;
} }
if ((SA1Stat & 0xFF) == 2) if ((SA1Stat & 0xFF) == 2)
{ {
SA1RegPCS = IRAM-0x3000; SA1RegPCS = IRAM-0x3000;
} }
offst = (unsigned int)SA1RegPCS; offst = (unsigned int)SA1RegPCS;
SA1Ptr += offst; SA1Ptr += offst;
SA1RAMArea = romdata + 4096*1024; SA1RAMArea = romdata + 4096*1024;
} }
#define ResState(Voice_BufPtr) \ #define ResState(Voice_BufPtr) \
Voice_BufPtr += spcBuffera; \ Voice_BufPtr += spcBuffera; \
if (Voice_BufPtr >= spcBuffera + 65536*4) \ if (Voice_BufPtr >= spcBuffera + 65536*4) \
{ \ { \
Voice_BufPtr = spcBuffera; \ Voice_BufPtr = spcBuffera; \
} }
void ResetState() void ResetState()
{ {
ResState(Voice0BufPtr); unsigned int offst;
ResState(Voice1BufPtr);
ResState(Voice2BufPtr); offst = (unsigned int)tableA;
ResState(Voice3BufPtr); Curtableaddr += offst;
ResState(Voice4BufPtr); offst = (unsigned int)spcRam;
ResState(Voice5BufPtr); spcPCRam += offst;
ResState(Voice6BufPtr); spcRamDP += offst;
ResState(Voice7BufPtr);
ResState(Voice0BufPtr);
ResState(Voice1BufPtr);
ResState(Voice2BufPtr);
ResState(Voice3BufPtr);
ResState(Voice4BufPtr);
ResState(Voice5BufPtr);
ResState(Voice6BufPtr);
ResState(Voice7BufPtr);
} }
extern unsigned int Curtableaddr, tableA[256], spcPCRam, spcRamDP;
extern unsigned int statefileloc, CurrentHandle, SfxRomBuffer; extern unsigned int statefileloc, CurrentHandle, SfxRomBuffer;
extern unsigned int SfxCROM, SfxLastRamAdr, SfxRAMMem; extern unsigned int SfxCROM, SfxLastRamAdr, SfxRAMMem;
extern unsigned int MsgCount, MessageOn; extern unsigned int MsgCount, MessageOn;
@@ -464,138 +482,110 @@ extern unsigned char *Msgptr, txtsavemsgfail[15];
extern unsigned short PrevPicture[64*56]; extern unsigned short PrevPicture[64*56];
FILE *fhandle; static FILE *fhandle;
void SRAMChdir(); void SRAMChdir();
void CapturePicture(); void CapturePicture();
static void write_save_state_data(unsigned char **dest, void *data, size_t len)
{
fwrite(data, 1, len, fhandle);
}
static const char zsmesg[] = "ZSNES Save State File V0.6";
void statesaver() void statesaver()
{ {
unsigned int offst; //'Auto increment savestate slot' code
if (AutoIncSaveSlot)
clim(); {
if (firstsaveinc)
offst = (unsigned int)tableA;
Curtableaddr -= offst;
offst = (unsigned int)spcRam;
spcPCRam -= offst;
spcRamDP -= offst;
PrepareSaveState();
unpackfunct();
// 'Auto increment savestate slot' code
if (AutoIncSaveSlot)
{ {
if (firstsaveinc) firstsaveinc = 0;
{
firstsaveinc = 0;
}
else
{
switch (fnamest[statefileloc])
{
case 't':
fnamest[statefileloc] = '1';
break;
case '9':
fnamest[statefileloc] = 't';
break;
default:
fnamest[statefileloc]++;
}
}
}
// Save State code
#ifdef __LINUX__
SRAMChdir();
#endif
if ((fhandle = fopen(fnamest+1,"wb")) != NULL)
{
// Save 65816 status, etc.
fwrite (zsmesg, 1, sizeof(zsmesg)-1, fhandle);
fwrite (&cycpbl, 1, 2*4, fhandle);
fwrite (&sndrot, 1, 3019, fhandle); // Save SNES PPU Register status
fwrite (wramdata, 1, 8192*16, fhandle);
fwrite (vram, 1, 4096*16, fhandle);
if (spcon) // SPC stuff, DSP stuff
{
fwrite (spcRam, 1, PHspcsave, fhandle);
fwrite (BRRBuffer, 1, PHdspsave, fhandle);
fwrite (DSPMem, 1, 16*16, fhandle);
}
if (C4Enable) { fwrite (C4Ram, 1, 2048*4, fhandle); }
if (SFXEnable)
{
SfxRomBuffer -= SfxCROM;
SfxLastRamAdr -= SfxRAMMem;
fwrite (sfxramdata, 1, 8192*16, fhandle);
fwrite (&SfxR0, 1, PHnum2writesfxreg, fhandle);
SfxRomBuffer += SfxCROM;
SfxLastRamAdr += SfxRAMMem;
}
if (SETAEnable) { fwrite (setaramdata, 1, 256*16, fhandle); }
// TODO: save the SetaCmdEnable? For completeness we should do it
// but currently we ignore it anyway.
if (SPC7110Enable)
{
fwrite (romdata+0x510000, 1, 65536, fhandle);
fwrite (&SPCMultA, 1, PHnum2writespc7110reg, fhandle);
}
if (SA1Enable)
{
SaveSA1();// Convert SA-1 stuff to standard, non displacement format
fwrite (&SA1Mode, 1, PHnum2writesa1reg, fhandle);
fwrite (SA1RAMArea, 1, 8192*16, fhandle);
RestoreSA1(); // Convert back SA-1 stuff
}
if (cbitmode && !NoPictureSave)
{
CapturePicture();
fwrite (PrevPicture, 1, 64*56*2, fhandle);
}
fclose (fhandle);
if (fnamest[statefileloc] == 't')
{
txtsavemsg[6]='0';
}
else
{
txtsavemsg[6]=fnamest[statefileloc];
}
Msgptr = txtsavemsg;
MessageOn = MsgCount;
} }
else else
{ {
Msgptr = txtsavemsgfail; switch (fnamest[statefileloc])
MessageOn = MsgCount; {
case 't':
fnamest[statefileloc] = '1';
break;
case '9':
fnamest[statefileloc] = 't';
break;
default:
fnamest[statefileloc]++;
}
}
}
//Save State code
#ifdef __LINUX__
SRAMChdir();
#endif
clim ()
if ((fhandle = fopen(fnamest+1,"wb")))
{
fwrite(zsmesg, 1, sizeof(zsmesg)-1, fhandle);
PrepareSaveState();
if (SFXEnable)
{
SfxRomBuffer -= SfxCROM;
SfxLastRamAdr -= SfxRAMMem;
} }
offst = (unsigned int)tableA; if (SA1Enable)
Curtableaddr += offst; {
offst = (unsigned int)spcRam; SaveSA1(); //Convert SA-1 stuff to standard, non displacement format
spcPCRam += offst; }
spcRamDP += offst;
copy_state_data(0, write_save_state_data, true);
if (SFXEnable)
{
SfxRomBuffer += SfxCROM;
SfxLastRamAdr += SfxRAMMem;
}
if (SA1Enable)
{
RestoreSA1(); //Convert back SA-1 stuff
}
if (cbitmode && !NoPictureSave)
{
CapturePicture();
fwrite (PrevPicture, 1, 64*56*2, fhandle);
}
fclose (fhandle);
//Display message on the screen, State X Saved
if (fnamest[statefileloc] == 't')
{
txtsavemsg[6]='0';
}
else
{
txtsavemsg[6]=fnamest[statefileloc];
}
Msgptr = txtsavemsg;
MessageOn = MsgCount;
ResetState(); ResetState();
stim(); }
else
{
Msgptr = txtsavemsgfail;
MessageOn = MsgCount;
}
stim();
} }
extern unsigned int snesmmap[256], snesmap2[256]; extern unsigned int snesmmap[256], snesmap2[256];
@@ -651,31 +641,31 @@ void UpdateBanks()
void BankSwitchSDD1C (unsigned char bankval, unsigned int offset) void BankSwitchSDD1C (unsigned char bankval, unsigned int offset)
{ {
unsigned int curbankval = bankval, i; unsigned int curbankval = bankval, i;
curbankval &= 7; curbankval &= 7;
curbankval <<= 20; curbankval <<= 20;
curbankval += (unsigned int)romdata; curbankval += (unsigned int)romdata;
for (i=0 ; i<16 ; i++) for (i=0; i<16 ; i++)
{ {
snesmap2[offset+i] = curbankval; snesmap2[offset+i] = curbankval;
snesmmap[offset+i] = curbankval; snesmmap[offset+i] = curbankval;
curbankval += 0x10000; curbankval += 0x10000;
} }
} }
extern unsigned char SDD1BankA, SDD1BankB, SDD1BankC, SDD1BankD; extern unsigned char SDD1BankA, SDD1BankB, SDD1BankC, SDD1BankD;
void UpdateBanksSDD1() void UpdateBanksSDD1()
{ {
if (SDD1BankA) if (SDD1BankA)
{ {
BankSwitchSDD1C (SDD1BankA, 0x0C0); BankSwitchSDD1C(SDD1BankA, 0x0C0);
BankSwitchSDD1C (SDD1BankB, 0x0D0); BankSwitchSDD1C(SDD1BankB, 0x0D0);
BankSwitchSDD1C (SDD1BankC, 0x0E0); BankSwitchSDD1C(SDD1BankC, 0x0E0);
BankSwitchSDD1C (SDD1BankD, 0x0F0); BankSwitchSDD1C(SDD1BankD, 0x0F0);
} }
} }
extern unsigned int Voice0Freq, Voice1Freq, Voice2Freq, Voice3Freq; extern unsigned int Voice0Freq, Voice1Freq, Voice2Freq, Voice3Freq;
@@ -685,22 +675,22 @@ extern unsigned short Voice4Pitch, Voice5Pitch, Voice6Pitch, Voice7Pitch;
void initpitch() void initpitch()
{ {
Voice0Pitch = DSPMem[2+0*0x10]; Voice0Pitch = DSPMem[2+0*0x10];
Voice0Freq = ((((Voice0Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice0Freq = ((((Voice0Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
Voice1Pitch = DSPMem[2+1*0x10]; Voice1Pitch = DSPMem[2+1*0x10];
Voice1Freq = ((((Voice1Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice1Freq = ((((Voice1Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
Voice2Pitch = DSPMem[2+2*0x10]; Voice2Pitch = DSPMem[2+2*0x10];
Voice2Freq = ((((Voice2Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice2Freq = ((((Voice2Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
Voice3Pitch = DSPMem[2+3*0x10]; Voice3Pitch = DSPMem[2+3*0x10];
Voice3Freq = ((((Voice3Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice3Freq = ((((Voice3Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
Voice4Pitch = DSPMem[2+4*0x10]; Voice4Pitch = DSPMem[2+4*0x10];
Voice4Freq = ((((Voice4Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice4Freq = ((((Voice4Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
Voice5Pitch = DSPMem[2+5*0x10]; Voice5Pitch = DSPMem[2+5*0x10];
Voice5Freq = ((((Voice5Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice5Freq = ((((Voice5Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
Voice6Pitch = DSPMem[2+6*0x10]; Voice6Pitch = DSPMem[2+6*0x10];
Voice6Freq = ((((Voice6Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice6Freq = ((((Voice6Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
Voice7Pitch = DSPMem[2+7*0x10]; Voice7Pitch = DSPMem[2+7*0x10];
Voice7Freq = ((((Voice7Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF); Voice7Freq = ((((Voice7Pitch & 0x3FFF) * dspPAdj) >> 8) & 0xFFFFFFFF);
} }
extern unsigned int KeyLoadState, Totalbyteloaded, SfxMemTable[256], SfxCPB; extern unsigned int KeyLoadState, Totalbyteloaded, SfxMemTable[256], SfxCPB;
@@ -712,172 +702,143 @@ extern unsigned char ioportval, SDD1Enable, nexthdma;
void procexecloop(); void procexecloop();
size_t load_save_size;
static void read_save_state_data(unsigned char **dest, void *data, size_t len)
{
load_save_size += fread(data, 1, len, fhandle);
}
void stateloader (unsigned char *statename, unsigned char keycheck, unsigned char xfercheck) void stateloader (unsigned char *statename, unsigned char keycheck, unsigned char xfercheck)
{ {
unsigned int offst; char zsmesgcheck[sizeof(zsmesg)-1];
if (keycheck)
{
unsigned char statevalue; unsigned char statevalue;
char zsmesgcheck[sizeof(zsmesg)-1];
if (keycheck) pressed[1] = 0;
pressed[KeyLoadState] = 2;
multchange = 1;
//Get the state number
if (fnamest[statefileloc] == 't')
{ {
pressed[1] = 0; statevalue = '0';
pressed[KeyLoadState] = 2;
multchange = 1;
clim();
#ifdef __LINUX__
SRAMChdir();
#endif
// Get the state number
if (fnamest[statefileloc] == 't')
{
statevalue = '0';
}
else
{
statevalue = fnamest[statefileloc];
}
txtloadmsg[6] = statevalue;
txtconvmsg[6] = statevalue;
txtnfndmsg[21] = statevalue;
}
// Actual state loading code
if ((fhandle = fopen(statename,"rb")) != NULL)
{
if (xfercheck) { Totalbyteloaded = 0; }
MovieProcessing = 0;
prevoamptr = 0xFF;
// Load 65816 status, etc.
Totalbyteloaded += fread (zsmesgcheck, 1, sizeof(zsmesgcheck), fhandle);
if (!memcmp(zsmesgcheck, zsmesg, sizeof(zsmesgcheck))) // just drop older states
{
// Load SPC timers
Totalbyteloaded += fread (&cycpbl, 1, 2*4, fhandle);
// Load SNES PPU Register status
Totalbyteloaded += fread (&sndrot, 1, 3019, fhandle);
ioportval = 0xFF;
// Load WRAM (128k), VRAM (64k)
Totalbyteloaded += fread (wramdata, 1, 8192*16, fhandle);
Totalbyteloaded += fread (vram, 1, 4096*16, fhandle);
if (spcon) // SPC stuff, DSP stuff
{
Totalbyteloaded += fread (spcRam, 1, PHspcsave, fhandle);
Totalbyteloaded += fread (BRRBuffer, 1, PHdspsave, fhandle);
Totalbyteloaded += fread (DSPMem, 1, 16*16, fhandle);
}
if (C4Enable) { Totalbyteloaded += fread (C4Ram, 1, 2048*4, fhandle); }
if (SFXEnable)
{
Totalbyteloaded += fread (sfxramdata, 1, 8192*16, fhandle);
Totalbyteloaded += fread (&SfxR0, 1, PHnum2writesfxreg, fhandle);
SfxCPB = SfxMemTable[(SfxPBR & 0xFF)];
SfxCROM = SfxMemTable[(SfxROMBR & 0xFF)];
SfxRAMMem = (unsigned int)sfxramdata + ((SfxRAMBR & 0xFF) << 16);
SfxRomBuffer += SfxCROM;
SfxLastRamAdr += SfxRAMMem;
}
if (SETAEnable) { Totalbyteloaded += fread (setaramdata, 1, 256*16, fhandle); }
// TODO: load the SetaCmdEnable? For completeness we should do it
// but currently we ignore it anyway.
if (SPC7110Enable)
{
Totalbyteloaded += fread (romdata+0x510000, 1, 65536, fhandle);
Totalbyteloaded += fread (&SPCMultA, 1, PHnum2writespc7110reg, fhandle);
}
if (SA1Enable)
{
Totalbyteloaded += fread (&SA1Mode, 1, PHnum2writesa1reg, fhandle);
Totalbyteloaded += fread (SA1RAMArea, 1, 8192*16, fhandle);
RestoreSA1(); // Convert back SA-1 stuff
// UpdateBanks();
// It was in the asm, but the only thing it does is break Oshaberi Parodius...
// The C port is still present, just commented out.
SA1UpdateDPageC();
}
if (SDD1Enable)
{
UpdateBanksSDD1();
}
fclose (fhandle);
repackfunct();
spcnumread = 0;
spchalted = 0xFFFFFFFF;
nexthdma = 0;
// ;call headerhack ; ASM ONLY ! I'm not porting hacks ever.
initpitch();
// Clear cache check if state loaded
memset (vidmemch2, 1, 4096);
memset (vidmemch4, 1, 4096);
memset (vidmemch8, 1, 4096);
offst = (unsigned int)tableA;
Curtableaddr += offst;
offst = (unsigned int)spcRam;
spcPCRam += offst;
spcRamDP += offst;
ResetState();
procexecloop();
if (keycheck) { stim(); }
}
if (keycheck)
{
if (!xfercheck)
{
if (!memcmp(zsmesgcheck, zsmesg, sizeof(zsmesgcheck))) { Msgptr = txtconvmsg; }
else { Msgptr = txtloadmsg; }
}
MessageOn = MsgCount;
}
} }
else else
{ {
if (keycheck) statevalue = fnamest[statefileloc];
{
Msgptr = txtnfndmsg;
MessageOn = MsgCount;
stim();
}
} }
txtloadmsg[6] = statevalue;
txtconvmsg[6] = statevalue;
txtnfndmsg[21] = statevalue;
}
#ifdef __LINUX__
SRAMChdir();
#endif
clim();
//Actual state loading code
if ((fhandle = fopen(statename,"rb")) != NULL)
{
if (xfercheck) { Totalbyteloaded = 0; }
Totalbyteloaded += fread(zsmesgcheck, 1, sizeof(zsmesgcheck), fhandle);
if (!memcmp(zsmesgcheck, zsmesg, sizeof(zsmesgcheck))) //Just drop older states
{
load_save_size = 0;
copy_state_data(0, read_save_state_data, true);
Totalbyteloaded += load_save_size;
if (SFXEnable)
{
SfxCPB = SfxMemTable[(SfxPBR & 0xFF)];
SfxCROM = SfxMemTable[(SfxROMBR & 0xFF)];
SfxRAMMem = (unsigned int)sfxramdata + ((SfxRAMBR & 0xFF) << 16);
SfxRomBuffer += SfxCROM;
SfxLastRamAdr += SfxRAMMem;
}
if (SA1Enable)
{
RestoreSA1(); //Convert back SA-1 stuff
/*
All UpdateBanks() seems to do is break Oshaberi Parodius...
The C port is still present, just commented out
*/
//UpdateBanks();
SA1UpdateDPageC();
}
if (SDD1Enable)
{
UpdateBanksSDD1();
}
//Clear cache check if state loaded
memset(vidmemch2, 1, sizeof(vidmemch2));
memset(vidmemch4, 1, sizeof(vidmemch4));
memset(vidmemch8, 1, sizeof(vidmemch8));
MovieProcessing = 0;
prevoamptr = 0xFF;
ioportval = 0xFF;
repackfunct();
spcnumread = 0;
spchalted = 0xFFFFFFFF;
nexthdma = 0;
//headerhack(); //Was in the asm, but why is this needed?
initpitch();
ResetState();
procexecloop();
Msgptr = txtloadmsg;
}
else
{
Msgptr = txtconvmsg;
}
fclose(fhandle);
}
else
{
Msgptr = txtnfndmsg;
}
stim();
if (keycheck)
{
MessageOn = MsgCount;
}
} }
void debugloadstate() void debugloadstate()
{ {
stateloader (fnamest+1, 0, 0); stateloader(fnamest+1, 0, 0);
} }
void loadstate() void loadstate()
{ {
stateloader (fnamest+1, 1, 0); stateloader(fnamest+1, 1, 0);
} }
void loadstate2() void loadstate2()
{ {
stateloader (fnamest+1, 0, 1); stateloader(fnamest+1, 0, 1);
} }
extern unsigned char Netfname[11]; extern unsigned char Netfname[11];
void loadstate3() void loadstate3()
{ {
stateloader (Netfname, 0, 1); stateloader(Netfname, 0, 1);
} }