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SRAM preserved for power-on movies.

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This commit is contained in:
grinvader
2005-03-27 10:38:27 +00:00
parent e38af682c8
commit e4b14bf130
3 changed files with 125 additions and 97 deletions
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129
zsnes/src/zstate.c
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@@ -84,11 +84,11 @@ static unsigned int zst_version;
static void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **, void *, size_t), bool read)
{
copy_snes_data(&buffer, copy_func);
//WRAM (128k), VRAM (64k)
copy_func(&buffer, wramdata, 8192*16);
copy_func(&buffer, vram, 4096*16);
if (spcon)
{
copy_spc_data(&buffer, copy_func);
@@ -97,18 +97,18 @@ static void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned ch
copy_func(&buffer, &echoon0, PHdspsave2);
}
}
if (C4Enable)
{
{
copy_func(&buffer, C4Ram, 2048*4);
}
if (SFXEnable)
{
copy_func(&buffer, sfxramdata, 8192*16);
copy_func(&buffer, &SfxR0, PHnum2writesfxreg);
}
if (SA1Enable)
{
copy_func(&buffer, &SA1Mode, PHnum2writesa1reg);
@@ -120,7 +120,7 @@ static void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned ch
copy_func(&buffer, &sa1dmaptr, 2*4);
}
}
if (DSP1Type && !loading_old_state)
{
copy_func(&buffer, &DSP1COp, 70+128);
@@ -142,9 +142,9 @@ static void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned ch
}
if (SETAEnable)
{
{
copy_func(&buffer, setaramdata, 256*16);
//Todo: copy the SetaCmdEnable? For completeness we should do it
//but currently we ignore it anyway.
}
@@ -154,16 +154,16 @@ static void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned ch
copy_func(&buffer, romdata+0x510000, 65536);
copy_func(&buffer, &SPCMultA, PHnum2writespc7110reg);
}
if (!loading_old_state)
{
copy_extra_data(&buffer, copy_func);
if (!loading_state_no_sram)
{
copy_func(&buffer, sram, ramsize);
}
if (buffer) //Not to a file, i.e. rewind
{
copy_func(&buffer, &tempesi, 4);
@@ -226,7 +226,7 @@ void RestoreCVFrame()
if (RewindPos != RewindEarliestPos)
{
unsigned char *RewindBufferPos;
if (!RewindPos)
{
RewindPos = RewindStates;
@@ -236,12 +236,12 @@ void RestoreCVFrame()
RewindBufferPos = StateBackup + RewindPos*rewind_state_size;
printf("Restoring rewind in slot #%u\n", RewindPos);
copy_state_data(RewindBufferPos, memcpyrinc, true);
//Clear Cache Check
memset(vidmemch2, 1, sizeof(vidmemch2));
memset(vidmemch4, 1, sizeof(vidmemch4));
memset(vidmemch8, 1, sizeof(vidmemch8));
RewindTimer = 60*3;
}
}
@@ -262,7 +262,7 @@ void MultipleFrameBack(unsigned int i)
{
break;
}
}
}
}
void SetupRewindBuffer()
@@ -296,7 +296,7 @@ void BackupCVFrame()
}
RewindTimer = ActualRewindFrames;
}
void RestoreCVFrame()
{
unsigned char *RewindBufferPos = StateBackup + PBackupPos*rewind_state_size;
@@ -305,7 +305,7 @@ void RestoreCVFrame()
if (MovieProcessing)
{
zmv_rewind_load(PBackupPos, MovieProcessing == 1 ? true : false);
}
}
RewindTimer = ActualRewindFrames;
}
@@ -317,9 +317,9 @@ void SetupRewindBuffer()
RewindStates = 16;
StateBackup = 0;
StateBackup = (unsigned char *)malloc(rewind_state_size*RewindStates);
if (!StateBackup)
{
asm_call(outofmemory);
if (!StateBackup)
{
asm_call(outofmemory);
}
}
@@ -493,7 +493,7 @@ void repackfunct()
if (block && 0xC0)
{
Voice0Status = Voice1Status = Voice2Status = Voice3Status = 0;
Voice4Status = Voice5Status = Voice6Status = Voice7Status = 0;
Voice4Status = Voice5Status = Voice6Status = Voice7Status = 0;
}
NoiseInc = (((NoiseSpeeds[(block & 0x1F)] * dspPAdj) >> 17) & 0xFFFFFFFF);
@@ -656,7 +656,7 @@ static const char zst_header_old[] = "ZSNES Save State File V0.6\x1a\x3c";
static const char zst_header_cur[] = "ZSNES Save State File V143\x1a\x8f";
void calculate_state_sizes()
{
{
state_size = 0;
zst_version = 143;
copy_state_data(0, state_size_tally, false);
@@ -691,12 +691,12 @@ void zst_save(FILE *fp, bool Thumbnail)
SfxRomBuffer -= SfxCROM;
SfxLastRamAdr -= SfxRAMMem;
}
if (SA1Enable)
{
SaveSA1(); //Convert SA-1 stuff to standard, non displacement format
}
fhandle = fp; //Set global file handle
copy_state_data(0, write_save_state_data, false);
@@ -710,20 +710,20 @@ void zst_save(FILE *fp, bool Thumbnail)
{
RestoreSA1(); //Convert back SA-1 stuff
}
if (Thumbnail)
{
CapturePicture();
fwrite(PrevPicture, 1, 64*56*sizeof(unsigned short), fp);
}
ResetOffset();
ResetState();
}
void statesaver()
{
//Save State code
//Save State code
#ifdef __LINUX__
SRAMChdir();
#endif
@@ -734,11 +734,11 @@ void statesaver()
if (mzt_save(fnamest+1, (cbitmode && !NoPictureSave) ? true : false, false))
{
Msgptr = "RR STATE SAVED.";
MessageOn = MsgCount;
MessageOn = MsgCount;
}
return;
}
}
//'Auto increment savestate slot' code
if (AutoIncSaveSlot)
{
@@ -763,13 +763,13 @@ void statesaver()
}
clim();
if ((fhandle = fopen(fnamest+1,"wb")))
{
{
zst_save(fhandle, (cbitmode && !NoPictureSave) ? true : false);
fclose(fhandle);
//Display message on the screen, 'STATE X SAVED.'
if (fnamest[statefileloc] == 't')
{
@@ -782,7 +782,7 @@ void statesaver()
Msgptr = txtsavemsg;
MessageOn = MsgCount;
}
}
else
{
//Display message on the screen, 'UNABLE TO SAVE.'
@@ -913,9 +913,9 @@ static void read_save_state_data(unsigned char **dest, void *data, size_t len)
bool zst_load(FILE *fp)
{
char zst_header_check[sizeof(zst_header_cur)-1];
char zst_header_check[sizeof(zst_header_cur)-1];
zst_version = 0;
Totalbyteloaded += fread(zst_header_check, 1, sizeof(zst_header_check), fp);
if (!memcmp(zst_header_check, zst_header_cur, sizeof(zst_header_check)-2))
{
@@ -925,14 +925,14 @@ bool zst_load(FILE *fp)
{
zst_version = 60; //v0.60 - v1.42
} // the -2 means we only check the text - trust me, that's ok
if (!zst_version) { return(false); } //Pre v0.60 saves are no longer loaded
load_save_size = 0;
fhandle = fp; //Set global file handle
copy_state_data(0, read_save_state_data, true);
Totalbyteloaded += load_save_size;
if (SFXEnable)
{
SfxCPB = SfxMemTable[(SfxPBR & 0xFF)];
@@ -949,10 +949,10 @@ bool zst_load(FILE *fp)
All UpdateBanks() seems to do is break Oshaberi Parodius...
The C port is still present, just commented out
*/
//UpdateBanks();
//UpdateBanks();
SA1UpdateDPageC();
}
if (SDD1Enable)
{
UpdateBanksSDD1();
@@ -969,10 +969,29 @@ bool zst_load(FILE *fp)
ResetOffset();
ResetState();
procexecloop();
return(true);
}
void zst_sram_load(FILE *fp)
{
fseek(fp, sizeof(zst_header_cur)-1 + PH65816regsize + 199635, SEEK_CUR);
if (spcon) { fseek(fp, PHspcsave + PHdspsave + sizeof(DSPMem), SEEK_CUR); }
if (C4Enable) { fseek(fp, 8192, SEEK_CUR); }
if (SFXEnable) { fseek(fp, PHnum2writesfxreg + 131072, SEEK_CUR); }
if (SA1Enable)
{
fseek(fp, PHnum2writesa1reg, SEEK_CUR);
fread(SA1RAMArea, 1, 131072, fp); // SA-1 sram
fseek(fp, 15, SEEK_CUR);
}
if (DSP1Type) { fseek(fp, 2874, SEEK_CUR); }
if (SETAEnable) { fread(setaramdata, 1, 4096, fp); } // SETA sram
if (SPC7110Enable) { fseek(fp, PHnum2writespc7110reg + 65536, SEEK_CUR); }
fseek(fp, 227, SEEK_CUR);
if (ramsize) { fread(sram, 1, ramsize, fp); } // normal sram
}
void stateloader (unsigned char *statename, unsigned char keycheck, unsigned char xfercheck)
{
#ifdef __LINUX__
@@ -982,7 +1001,7 @@ void stateloader (unsigned char *statename, unsigned char keycheck, unsigned cha
if (keycheck)
{
unsigned char statevalue;
pressed[1] = 0;
pressed[KeyLoadState] = 2;
multchange = 1;
@@ -1001,19 +1020,19 @@ void stateloader (unsigned char *statename, unsigned char keycheck, unsigned cha
txtconvmsg[6] = statevalue;
txtnfndmsg[21] = statevalue;
}
switch (MovieProcessing)
{
bool mzt_load(char *, bool);
case 1:
if (mzt_load(statename, true))
{
Msgptr = "RR STATE LOADED.";
MessageOn = MsgCount;
MessageOn = MsgCount;
}
return;
case 2:
if (mzt_load(statename, false))
{
@@ -1021,15 +1040,15 @@ void stateloader (unsigned char *statename, unsigned char keycheck, unsigned cha
MessageOn = MsgCount;
}
return;
}
}
clim();
//Actual state loading code
if ((fhandle = fopen(statename,"rb")) != NULL)
{
if (xfercheck) { Totalbyteloaded = 0; }
if (zst_load(fhandle))
{
Msgptr = txtloadmsg; // 'STATE X LOADED.'
@@ -1038,14 +1057,14 @@ void stateloader (unsigned char *statename, unsigned char keycheck, unsigned cha
{
Msgptr = txtconvmsg; // 'STATE X TOO OLD.'
}
fclose(fhandle);
}
else
{
Msgptr = txtnfndmsg; // 'UNABLE TO LOAD STATE X.'
}
stim();
if (keycheck)