a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merged save rewind with load rewind.

Browse Source
This commit is contained in:
n-a-c-h
2005-01-30 20:06:15 +00:00
parent e6273482d7
commit 9df95afa6f
1 changed files with 102 additions and 163 deletions
Download Patch File Download Diff File Expand all files Collapse all files

227
zsnes/src/cpu/zstate.c
View File

@@ -40,13 +40,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#define stim() #define stim()
#endif #endif
#define memcpyinc(dest, src, size) memcpy(dest, src, size); dest += size;
#define memcpyrinc(src, dest, size) memcpy(dest, src, size); src += size;
/*Let's start converting stuff from execute.asm ^_^; /*Let's start converting stuff from execute.asm ^_^;
Big thanks to Nach, TRAC and anomie for helping me out on porting !!*/ Big thanks to Nach, TRAC and anomie for helping me out on porting !!*/
extern unsigned int CBackupPos, PHnum2writecpureg, cycpbl; extern unsigned int CBackupPos, PBackupPos, PHnum2writecpureg, cycpbl;
extern unsigned int *wramdata, *vram, PHspcsave, PHdspsave, *C4Ram, *sfxramdata; extern unsigned int *wramdata, *vram, PHspcsave, PHdspsave, *C4Ram, *sfxramdata;
extern unsigned int PHnum2writesa1reg, SA1Mode, prevedi, SA1xpc, sa1dmaptr; extern unsigned int PHnum2writesa1reg, SA1Mode, prevedi, SA1xpc, sa1dmaptr;
extern unsigned int soundcycleft, spc700read, timer2upd, xa, PHnum2writesfxreg; extern unsigned int soundcycleft, spc700read, timer2upd, xa, PHnum2writesfxreg;
@@ -64,84 +61,110 @@ 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 BackupCVFrame() void memcpyinc(unsigned char **dest, void *src, size_t len)
{ {
unsigned char *curpos; memcpy(*dest, src, len);
*dest += len;
}
curpos = StateBackup + (CBackupPos << 19) + 1024; void memcpyrinc(unsigned char **src, void *dest, size_t len)
memcpyinc (curpos, zsmesg, PHnum2writecpureg); {
memcpyinc (curpos, &cycpbl, 2*4); memcpy(*src, dest, len);
memcpyinc (curpos, &sndrot, 3019); *src += len;
memcpyinc (curpos, wramdata, 8192*16); }
memcpyinc (curpos, vram, 4096*16);
void copy_state_data(unsigned char *buffer, void (*copy_func)(unsigned char **, void *, size_t))
{
copy_func(&buffer, zsmesg, PHnum2writecpureg);
copy_func(&buffer, &cycpbl, 2*4);
copy_func(&buffer, &sndrot, 3019);
copy_func(&buffer, wramdata, 8192*16);
copy_func(&buffer, vram, 4096*16);
if (spcon) if (spcon)
{ {
memcpyinc (curpos, spcRam, PHspcsave); copy_func(&buffer, spcRam, PHspcsave);
memcpyinc (curpos, BRRBuffer, PHdspsave); copy_func(&buffer, BRRBuffer, PHdspsave);
memcpyinc (curpos, DSPMem, 16*16); copy_func(&buffer, DSPMem, 16*16);
} }
if (C4Enable) { memcpyinc (curpos, C4Ram, 2048*4); } if (C4Enable)
{
copy_func(&buffer, C4Ram, 2048*4);
}
if (SFXEnable) if (SFXEnable)
{ {
memcpyinc (curpos, sfxramdata, 8192*16); copy_func(&buffer, sfxramdata, 8192*16);
memcpyinc (curpos, &SfxR0, PHnum2writesfxreg); copy_func(&buffer, &SfxR0, PHnum2writesfxreg);
} }
if (SA1Enable) if (SA1Enable)
{ {
memcpyinc (curpos, &SA1Mode, PHnum2writesa1reg); copy_func(&buffer, &SA1Mode, PHnum2writesa1reg);
memcpyinc (curpos, SA1RAMArea, 8192*16); copy_func(&buffer, SA1RAMArea, 8192*16);
memcpyinc (curpos, &SA1Status, 3); copy_func(&buffer, &SA1Status, 3);
memcpyinc (curpos, &prevedi, 1*4); copy_func(&buffer, &prevedi, 1*4);
memcpyinc (curpos, &SA1xpc, 1*4); copy_func(&buffer, &SA1xpc, 1*4);
memcpyinc (curpos, &SA1RAMArea, 6*4); copy_func(&buffer, &SA1RAMArea, 6*4);
memcpyinc (curpos, &sa1dmaptr, 2*4); copy_func(&buffer, &sa1dmaptr, 2*4);
} }
if (DSP1Type) if (DSP1Type)
{ {
memcpyinc (curpos, &DSP1COp, 70+128); copy_func(&buffer, &DSP1COp, 70+128);
memcpyinc (curpos, &C4WFXVal, 7*4+7*8+128); copy_func(&buffer, &C4WFXVal, 7*4+7*8+128);
memcpyinc (curpos, &C41FXVal, 5*4+128); copy_func(&buffer, &C41FXVal, 5*4+128);
memcpyinc (curpos, &Op00Multiplicand, 3*4+128); copy_func(&buffer, &Op00Multiplicand, 3*4+128);
memcpyinc (curpos, &Op10Coefficient, 4*4+128); copy_func(&buffer, &Op10Coefficient, 4*4+128);
memcpyinc (curpos, &Op04Angle, 4*4+128); copy_func(&buffer, &Op04Angle, 4*4+128);
memcpyinc (curpos, &Op08X, 5*4+128); copy_func(&buffer, &Op08X, 5*4+128);
memcpyinc (curpos, &Op18X, 5*4+128); copy_func(&buffer, &Op18X, 5*4+128);
memcpyinc (curpos, &Op28X, 4*4+128); copy_func(&buffer, &Op28X, 4*4+128);
memcpyinc (curpos, &Op0CA, 5*4+128); copy_func(&buffer, &Op0CA, 5*4+128);
memcpyinc (curpos, &Op02FX, 11*4+3*4+28*8+128); copy_func(&buffer, &Op02FX, 11*4+3*4+28*8+128);
memcpyinc (curpos, &Op0AVS, 5*4+14*8+128); copy_func(&buffer, &Op0AVS, 5*4+14*8+128);
memcpyinc (curpos, &Op06X, 6*4+10*8+4+128); copy_func(&buffer, &Op06X, 6*4+10*8+4+128);
memcpyinc (curpos, &Op01m, 4*4+128); copy_func(&buffer, &Op01m, 4*4+128);
memcpyinc (curpos, &Op0DX, 6*4+128); copy_func(&buffer, &Op0DX, 6*4+128);
memcpyinc (curpos, &Op03F, 6*4+128); copy_func(&buffer, &Op03F, 6*4+128);
memcpyinc (curpos, &Op14Zr, 9*4+128); copy_func(&buffer, &Op14Zr, 9*4+128);
memcpyinc (curpos, &Op0EH, 4*4+128); copy_func(&buffer, &Op0EH, 4*4+128);
} }
memcpyinc (curpos, &soundcycleft, 33); copy_func(&buffer, &soundcycleft, 33);
memcpyinc (curpos, &spc700read, 10*4); copy_func(&buffer, &spc700read, 10*4);
memcpyinc (curpos, &timer2upd, 1*4); copy_func(&buffer, &timer2upd, 1*4);
memcpyinc (curpos, &xa, 14*4); copy_func(&buffer, &xa, 14*4);
memcpyinc (curpos, &spcnumread, 4); copy_func(&buffer, &spcnumread, 4);
memcpyinc (curpos, &spchalted, 4); copy_func(&buffer, &spchalted, 4);
memcpyinc (curpos, &opcd, 6*4); copy_func(&buffer, &opcd, 6*4);
memcpyinc (curpos, &HIRQCycNext, 5); copy_func(&buffer, &HIRQCycNext, 5);
memcpyinc (curpos, &oamaddr, 14*4); copy_func(&buffer, &oamaddr, 14*4);
memcpyinc (curpos, &prevoamptr, 1); copy_func(&buffer, &prevoamptr, 1);
memcpyinc (curpos, &ReadHead, 1*4); copy_func(&buffer, &ReadHead, 1*4);
if (SETAEnable) { memcpyinc (curpos, setaramdata, 256*16); } if (SETAEnable)
{
copy_func(&buffer, setaramdata, 256*16);
}
copy_func(&buffer, sram, ramsize);
copy_func(&buffer, &tempesi, 4);
copy_func(&buffer, &tempedi, 4);
copy_func(&buffer, &tempedx, 4);
copy_func(&buffer, &tempebp, 4);
}
memcpyinc (curpos, sram, ramsize); void BackupCVFrame()
memcpyinc (curpos, &tempesi, 4); {
memcpyinc (curpos, &tempedi, 4); unsigned char *curpos = StateBackup + (CBackupPos << 19) + 1024;
memcpyinc (curpos, &tempedx, 4); copy_state_data(curpos, memcpyinc);
memcpyinc (curpos, &tempebp, 4); }
void RestoreCVFrame()
{
unsigned char *curpos = StateBackup + (PBackupPos << 19) + 1024;
copy_state_data(curpos, memcpyrinc);
} }
extern unsigned int Bank0datr8[256], Bank0datr16[256], Bank0datw8[256]; extern unsigned int Bank0datr8[256], Bank0datr16[256], Bank0datw8[256];
@@ -166,90 +189,6 @@ void SA1UpdateDPageC()
SA1DPageW16 = Bank0datw16[(SA1xd >> 8) & 0xFF]; SA1DPageW16 = Bank0datw16[(SA1xd >> 8) & 0xFF];
} }
extern unsigned int PBackupPos;
void RestoreCVFrame()
{
unsigned char *curpos;
curpos = StateBackup + (PBackupPos << 19) + 1024;
memcpyrinc (curpos, zsmesg, PHnum2writecpureg);
memcpyrinc (curpos, &cycpbl, 2*4);
memcpyrinc (curpos, &sndrot, 3019);
memcpyrinc (curpos, wramdata, 8192*16);
memcpyrinc (curpos, vram, 4096*16);
if (spcon)
{
memcpyrinc (curpos, spcRam, PHspcsave);
memcpyrinc (curpos, BRRBuffer, PHdspsave);
memcpyrinc (curpos, DSPMem, 16*16);
}
if (C4Enable) { memcpyrinc (curpos, C4Ram, 2048*4); }
if (SFXEnable)
{
memcpyrinc (curpos, sfxramdata, 8192*16);
memcpyrinc (curpos, &SfxR0, PHnum2writesfxreg);
}
if (SA1Enable)
{
memcpyrinc (curpos, &SA1Mode, PHnum2writesa1reg);
memcpyrinc (curpos, SA1RAMArea, 8192*16);
memcpyrinc (curpos, &SA1Status, 3);
memcpyrinc (curpos, &prevedi, 1*4);
memcpyrinc (curpos, &SA1xpc, 1*4);
memcpyrinc (curpos, &SA1RAMArea, 6*4);
memcpyrinc (curpos, &sa1dmaptr, 2*4);
}
if (DSP1Type)
{
memcpyrinc (curpos, &DSP1COp, 70+128);
memcpyrinc (curpos, &C4WFXVal, 7*4+7*8+128);
memcpyrinc (curpos, &C41FXVal, 5*4+128);
memcpyrinc (curpos, &Op00Multiplicand, 3*4+128);
memcpyrinc (curpos, &Op10Coefficient, 4*4+128);
memcpyrinc (curpos, &Op04Angle, 4*4+128);
memcpyrinc (curpos, &Op08X, 5*4+128);
memcpyrinc (curpos, &Op18X, 5*4+128);
memcpyrinc (curpos, &Op28X, 4*4+128);
memcpyrinc (curpos, &Op0CA, 5*4+128);
memcpyrinc (curpos, &Op02FX, 11*4+3*4+28*8+128);
memcpyrinc (curpos, &Op0AVS, 5*4+14*8+128);
memcpyrinc (curpos, &Op06X, 6*4+10*8+4+128);
memcpyrinc (curpos, &Op01m, 4*4+128);
memcpyrinc (curpos, &Op0DX, 6*4+128);
memcpyrinc (curpos, &Op03F, 6*4+128);
memcpyrinc (curpos, &Op14Zr, 9*4+128);
memcpyrinc (curpos, &Op0EH, 4*4+128);
}
memcpyrinc (curpos, &soundcycleft, 33);
memcpyrinc (curpos, &spc700read, 10*4);
memcpyrinc (curpos, &timer2upd, 1*4);
memcpyrinc (curpos, &xa, 14*4);
memcpyrinc (curpos, &spcnumread, 4);
memcpyrinc (curpos, &spchalted, 4);
memcpyrinc (curpos, &opcd, 6*4);
memcpyrinc (curpos, &HIRQCycNext, 5);
memcpyrinc (curpos, &oamaddr, 14*4);
memcpyrinc (curpos, &prevoamptr, 1);
memcpyrinc (curpos, &ReadHead, 1*4);
if (SETAEnable) { memcpyrinc (curpos, setaramdata, 256*16); }
memcpyrinc (curpos, sram, ramsize);
memcpyrinc (curpos, &tempesi, 4);
memcpyrinc (curpos, &tempedi, 4);
memcpyrinc (curpos, &tempedx, 4);
memcpyrinc (curpos, &tempebp, 4);
UpdateDPageC();
SA1UpdateDPageC();
}
extern unsigned int spcBuffera; extern unsigned int spcBuffera;
extern unsigned int Voice0BufPtr, Voice1BufPtr, Voice2BufPtr, Voice3BufPtr; extern unsigned int Voice0BufPtr, Voice1BufPtr, Voice2BufPtr, Voice3BufPtr;