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); } }
static int Unfreeze() { // notaz: overflowing the damn Symbian stack again char buffer [16]; char rom_filename [512]; int result; int version; unsigned int len = strlen(SNAPSHOT_MAGIC) + 1 + 4 + 1; if (statef_read(buffer, len) != (int)len) return (WRONG_FORMAT); if (strncmp(buffer, SNAPSHOT_MAGIC, strlen(SNAPSHOT_MAGIC)) != 0) return (WRONG_FORMAT); if ((version = atoi(&buffer [strlen(SNAPSHOT_MAGIC) + 1])) > SNAPSHOT_VERSION) return (WRONG_VERSION); if ((result = UnfreezeBlock("NAM", (uint8*) rom_filename, 512)) != SUCCESS) return (result); if (strcasecmp(rom_filename, Memory.ROMFilename) != 0 && strcasecmp(S9xBasename(rom_filename), S9xBasename(Memory.ROMFilename)) != 0) { S9xMessage(S9X_WARNING, S9X_FREEZE_ROM_NAME, "Current loaded ROM image doesn't match that required by freeze-game file."); } uint32 old_flags = CPU.Flags; #ifdef USE_SA1 uint32 sa1_old_flags = SA1.Flags; #endif S9xReset(); S9xSetSoundMute(TRUE); if ((result = UnfreezeStruct("CPU", &CPU, SnapCPU, COUNT(SnapCPU))) != SUCCESS) return (result); FixROMSpeed(); CPU.Flags |= old_flags & (DEBUG_MODE_FLAG | TRACE_FLAG | SINGLE_STEP_FLAG | FRAME_ADVANCE_FLAG); if ((result = UnfreezeStruct("REG", &Registers, SnapRegisters, COUNT(SnapRegisters))) != SUCCESS) return (result); if ((result = UnfreezeStruct("PPU", &PPU, SnapPPU, COUNT(SnapPPU))) != SUCCESS) return (result); IPPU.ColorsChanged = TRUE; IPPU.OBJChanged = TRUE; CPU.InDMA = FALSE; // Restore colors from PPU unsigned int i; for (i = 0; i < 256; i++) { IPPU.Red[i] = PPU.CGDATA[i] & 0x1f; IPPU.Green[i] = (PPU.CGDATA[i] >> 5) & 0x1f; IPPU.Blue[i] = (PPU.CGDATA[i] >> 10) & 0x1f; } S9xFixColourBrightness(); IPPU.RenderThisFrame = FALSE; if ((result = UnfreezeStruct("DMA", DMA, SnapDMA, COUNT(SnapDMA))) != SUCCESS) return (result); if ((result = UnfreezeBlock("VRA", Memory.VRAM, 0x10000)) != SUCCESS) return (result); if ((result = UnfreezeBlock("RAM", Memory.RAM, 0x20000)) != SUCCESS) return (result); if ((result = UnfreezeBlock("SRA", SRAM, 0x20000)) != SUCCESS) return (result); if ((result = UnfreezeBlock("FIL", Memory.FillRAM, 0x8000)) != SUCCESS) return (result); // Restore graphics shadow registers GFX.r212c_s = Memory.FillRAM[0x212c]; GFX.r212d_s = Memory.FillRAM[0x212d]; GFX.r212e_s = Memory.FillRAM[0x212e]; GFX.r212f_s = Memory.FillRAM[0x212f]; GFX.r2130_s = Memory.FillRAM[0x2130]; GFX.r2131_s = Memory.FillRAM[0x2131]; if (UnfreezeStruct("APU", &APU, SnapAPU, COUNT(SnapAPU)) == SUCCESS) { SAPURegisters spcregs; if ((result = UnfreezeStruct("ARE", &spcregs, SnapAPURegisters, COUNT(SnapAPURegisters))) != SUCCESS) return (result); // reload all SPC700 regs from savestate compatible struct IAPU.P = spcregs.P; IAPU.YA.W = spcregs.YA.W; IAPU.X = spcregs.X; IAPU.S = spcregs.S; IAPU.PC = IAPU.RAM + spcregs.PC; if ((result = UnfreezeBlock("ARA", IAPU.RAM, 0x10000)) != SUCCESS) return (result); if ((result = UnfreezeStruct("SOU", &SoundData, SnapSoundData, COUNT(SnapSoundData))) != SUCCESS) return (result); // notaz: just to be sure int u; for (u = 0; u < 8; u++) { SoundData.channels[u].env_ind_attack &= 0xf; SoundData.channels[u].env_ind_decay &= 0x7; SoundData.channels[u].env_ind_sustain &= 0x1f; } S9xSetSoundMute(FALSE); S9xAPUUnpackStatus(); if (APUCheckDirectPage()) IAPU.DirectPage = IAPU.RAM + 0x100; else IAPU.DirectPage = IAPU.RAM; Settings.APUEnabled = TRUE; /*IAPU.APUExecuting*/CPU.APU_APUExecuting = TRUE; } else { Settings.APUEnabled = FALSE; /*IAPU.APUExecuting*/CPU.APU_APUExecuting = FALSE; S9xSetSoundMute(TRUE); } #ifdef USE_SA1 if ((result = UnfreezeStruct("SA1", &SA1, SnapSA1, COUNT(SnapSA1))) == SUCCESS) { if ((result = UnfreezeStruct("SAR", &SA1Registers, SnapSA1Registers, COUNT(SnapSA1Registers))) != SUCCESS) return (result); S9xFixSA1AfterSnapshotLoad(); SA1.Flags |= sa1_old_flags & (TRACE_FLAG); } #endif S9xFixSoundAfterSnapshotLoad(); ICPU.ShiftedPB = Registers.PB << 16; ICPU.ShiftedDB = Registers.DB << 16; S9xSetPCBase(ICPU.ShiftedPB + Registers.PC); #ifndef ASMCPU S9xUnpackStatus(); // not needed S9xFixCycles(); // also not needed? #endif S9xReschedule(); S9xSRTCPostLoadState(); if (Settings.SDD1) S9xSDD1PostLoadState(); return (SUCCESS); }