/****************************************************************************
* NGCFreezeMembuffer
*
* Copies a snapshot of Snes9x state into memory
***************************************************************************/
static int
NGCFreezeMemBuffer ()
{
int i;
char buffer[1024];
bufoffset = 0;
S9xUpdateRTC ();
S9xSRTCPreSaveState ();
for (i = 0; i < 8; i++)
{
SoundData.channels[i].previous16[0] =
(int16) SoundData.channels[i].previous[0];
SoundData.channels[i].previous16[1] =
(int16) SoundData.channels[i].previous[1];
}
sprintf (buffer, "%s:%04d\n", SNAPSHOT_MAGIC, SNAPSHOT_VERSION);
PutMem (buffer, strlen (buffer));
sprintf (buffer, "NAM:%06d:%s%c", (int) strlen (Memory.ROMFilename) + 1,
Memory.ROMFilename, 0);
PutMem (buffer, strlen (buffer) + 1);
NGCFreezeStruct ();
return 0;
}
static void Freeze()
{
char buffer[1024];
int i;
S9xSetSoundMute(TRUE);
S9xSRTCPreSaveState();
for (i = 0; i < 8; i++)
{
SoundData.channels [i].previous16 [0] = (int16) SoundData.channels [i].previous [0];
SoundData.channels [i].previous16 [1] = (int16) SoundData.channels [i].previous [1];
}
sprintf(buffer, "%s:%04d\n", SNAPSHOT_MAGIC, SNAPSHOT_VERSION);
statef_write(buffer, strlen(buffer));
sprintf(buffer, "NAM:%06d:%s%c", strlen(Memory.ROMFilename) + 1,
Memory.ROMFilename, 0);
statef_write(buffer, strlen(buffer) + 1);
FreezeStruct("CPU", &CPU, SnapCPU, COUNT(SnapCPU));
FreezeStruct("REG", &Registers, SnapRegisters, COUNT(SnapRegisters));
FreezeStruct("PPU", &PPU, SnapPPU, COUNT(SnapPPU));
FreezeStruct("DMA", DMA, SnapDMA, COUNT(SnapDMA));
// RAM and VRAM
FreezeBlock("VRA", Memory.VRAM, 0x10000);
FreezeBlock("RAM", Memory.RAM, 0x20000);
FreezeBlock("SRA", SRAM, 0x20000);
FreezeBlock("FIL", Memory.FillRAM, 0x8000);
if (Settings.APUEnabled)
{
// APU
FreezeStruct("APU", &APU, SnapAPU, COUNT(SnapAPU));
// copy all SPC700 regs to savestate compatible struct
SAPURegisters spcregs;
spcregs.P = IAPU.P;
spcregs.YA.W = IAPU.YA.W;
spcregs.X = IAPU.X;
spcregs.S = IAPU.S;
spcregs.PC = IAPU.PC - IAPU.RAM;
FreezeStruct("ARE", &spcregs, SnapAPURegisters,
COUNT(SnapAPURegisters));
FreezeBlock("ARA", IAPU.RAM, 0x10000);
FreezeStruct("SOU", &SoundData, SnapSoundData,
COUNT(SnapSoundData));
}
#ifdef USE_SA1
if (Settings.SA1)
{
SA1Registers.PC = SA1.PC - SA1.PCBase;
S9xSA1PackStatus();
FreezeStruct("SA1", &SA1, SnapSA1, COUNT(SnapSA1));
FreezeStruct("SAR", &SA1Registers, SnapSA1Registers,
COUNT(SnapSA1Registers));
}
#endif
S9xSetSoundMute(FALSE);
}
void SnesEmu::sl() {
if (emsl.save) {
S9xSRTCPreSaveState();
} else {
S9xReset();
}
snesCpuSl();
snesMemSl();
snesPpuSl();
snesDmaSl();
snesSoundSl();
snesSpuSl();
if (!emsl.save) {
S9xFixSoundAfterSnapshotLoad();
S9xSetPCBase(ICPU.ShiftedPB + Registers.PC);
S9xReschedule();
S9xSRTCPostLoadState();
if (Settings.SDD1)
S9xSDD1PostLoadState();
S9xSetSoundMute(FALSE);
}
}