/*****************************************************************************\ Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. This file is licensed under the Snes9x License. For further information, consult the LICENSE file in the root directory. \*****************************************************************************/ #include #include "snes9x.h" #include "memmap.h" #include "dma.h" #include "apu/apu.h" #include "fxinst.h" #include "fxemu.h" #include "sdd1.h" #include "srtc.h" #include "snapshot.h" #include "controls.h" #include "movie.h" #include "display.h" #include "language.h" #include "gfx.h" #ifndef min #define min(a,b) (((a) < (b)) ? (a) : (b)) #endif typedef struct { int offset; int offset2; int size; int type; uint16 debuted_in; uint16 deleted_in; const char *name; } FreezeData; enum { INT_V, uint8_ARRAY_V, uint16_ARRAY_V, uint32_ARRAY_V, uint8_INDIR_ARRAY_V, uint16_INDIR_ARRAY_V, uint32_INDIR_ARRAY_V, POINTER_V }; #define COUNT(ARRAY) (sizeof(ARRAY) / sizeof(ARRAY[0])) #define Offset(field, structure) ((int) (((char *) (&(((structure) 1)->field))) - ((char *) 1))) #define OFFSET(f) Offset(f, STRUCT *) #define DUMMY(f) Offset(f, struct Obsolete *) #define DELETED(f) (-1) #define INT_ENTRY(save_version_introduced, field) \ { \ OFFSET(field), \ 0, \ sizeof(((STRUCT *) NULL)->field), \ INT_V, \ save_version_introduced, \ 9999, \ #field \ } #define ARRAY_ENTRY(save_version_introduced, field, count, elemType) \ { \ OFFSET(field), \ 0, \ count, \ elemType, \ save_version_introduced, \ 9999, \ #field \ } #define POINTER_ENTRY(save_version_introduced, field, relativeToField) \ { \ OFFSET(field), \ OFFSET(relativeToField), \ 4, \ POINTER_V, \ save_version_introduced, \ 9999, \ #field \ } #define OBSOLETE_INT_ENTRY(save_version_introduced, save_version_removed, field) \ { \ DUMMY(field), \ 0, \ sizeof(((struct Obsolete *) NULL)->field), \ INT_V, \ save_version_introduced, \ save_version_removed, \ #field \ } #define OBSOLETE_ARRAY_ENTRY(save_version_introduced, save_version_removed, field, count, elemType) \ { \ DUMMY(field), \ 0, \ count, \ elemType, \ save_version_introduced, \ save_version_removed, \ #field \ } #define OBSOLETE_POINTER_ENTRY(save_version_introduced, save_version_removed, field, relativeToField) \ { \ DUMMY(field), \ DUMMY(relativeToField), \ 4, \ POINTER_V, \ save_version_introduced, \ save_version_removed, \ #field \ } #define DELETED_INT_ENTRY(save_version_introduced, save_version_removed, field, size) \ { \ DELETED(field), \ 0, \ size, \ INT_V, \ save_version_introduced, \ save_version_removed, \ #field \ } #define DELETED_ARRAY_ENTRY(save_version_introduced, save_version_removed, field, count, elemType) \ { \ DELETED(field), \ 0, \ count, \ elemType, \ save_version_introduced, \ save_version_removed, \ #field \ } #define DELETED_POINTER_ENTRY(save_version_introduced, save_version_removed, field, relativeToField) \ { \ DELETED(field), \ DELETED(relativeToField), \ 4, \ POINTER_V, \ save_version_introduced, \ save_version_removed, \ #field \ } struct SDMASnapshot { struct SDMA dma[8]; }; struct SnapshotMovieInfo { uint32 MovieInputDataSize; }; struct SnapshotScreenshotInfo { uint16 Width; uint16 Height; uint8 Interlaced; uint8 Data[MAX_SNES_WIDTH * MAX_SNES_HEIGHT * 3]; }; static struct Obsolete { uint8 CPU_IRQActive; } Obsolete; #define STRUCT struct SCPUState static FreezeData SnapCPU[] = { INT_ENTRY(6, Cycles), INT_ENTRY(6, PrevCycles), INT_ENTRY(6, V_Counter), INT_ENTRY(6, Flags), OBSOLETE_INT_ENTRY(6, 7, CPU_IRQActive), INT_ENTRY(6, IRQPending), INT_ENTRY(6, MemSpeed), INT_ENTRY(6, MemSpeedx2), INT_ENTRY(6, FastROMSpeed), INT_ENTRY(6, InDMA), INT_ENTRY(6, InHDMA), INT_ENTRY(6, InDMAorHDMA), INT_ENTRY(6, InWRAMDMAorHDMA), INT_ENTRY(6, HDMARanInDMA), INT_ENTRY(6, WhichEvent), INT_ENTRY(6, NextEvent), INT_ENTRY(6, WaitingForInterrupt), DELETED_INT_ENTRY(6, 7, WaitAddress, 4), DELETED_INT_ENTRY(6, 7, WaitCounter, 4), DELETED_INT_ENTRY(6, 7, PBPCAtOpcodeStart, 4), INT_ENTRY(7, NMIPending), INT_ENTRY(7, IRQLine), INT_ENTRY(7, IRQTransition), INT_ENTRY(7, IRQLastState), INT_ENTRY(7, IRQExternal) }; #undef STRUCT #define STRUCT struct SRegisters static FreezeData SnapRegisters[] = { INT_ENTRY(6, PB), INT_ENTRY(6, DB), INT_ENTRY(6, P.W), INT_ENTRY(6, A.W), INT_ENTRY(6, D.W), INT_ENTRY(6, S.W), INT_ENTRY(6, X.W), INT_ENTRY(6, Y.W), INT_ENTRY(6, PCw) }; #undef STRUCT #define STRUCT struct SPPU static FreezeData SnapPPU[] = { INT_ENTRY(6, VMA.High), INT_ENTRY(6, VMA.Increment), INT_ENTRY(6, VMA.Address), INT_ENTRY(6, VMA.Mask1), INT_ENTRY(6, VMA.FullGraphicCount), INT_ENTRY(6, VMA.Shift), INT_ENTRY(6, WRAM), #define O(N) \ INT_ENTRY(6, BG[N].SCBase), \ INT_ENTRY(6, BG[N].HOffset), \ INT_ENTRY(6, BG[N].VOffset), \ INT_ENTRY(6, BG[N].BGSize), \ INT_ENTRY(6, BG[N].NameBase), \ INT_ENTRY(6, BG[N].SCSize) O(0), O(1), O(2), O(3), #undef O INT_ENTRY(6, BGMode), INT_ENTRY(6, BG3Priority), INT_ENTRY(6, CGFLIP), INT_ENTRY(6, CGFLIPRead), INT_ENTRY(6, CGADD), INT_ENTRY(11, CGSavedByte), ARRAY_ENTRY(6, CGDATA, 256, uint16_ARRAY_V), #define O(N) \ INT_ENTRY(6, OBJ[N].HPos), \ INT_ENTRY(6, OBJ[N].VPos), \ INT_ENTRY(6, OBJ[N].HFlip), \ INT_ENTRY(6, OBJ[N].VFlip), \ INT_ENTRY(6, OBJ[N].Name), \ INT_ENTRY(6, OBJ[N].Priority), \ INT_ENTRY(6, OBJ[N].Palette), \ INT_ENTRY(6, OBJ[N].Size) O( 0), O( 1), O( 2), O( 3), O( 4), O( 5), O( 6), O( 7), O( 8), O( 9), O( 10), O( 11), O( 12), O( 13), O( 14), O( 15), O( 16), O( 17), O( 18), O( 19), O( 20), O( 21), O( 22), O( 23), O( 24), O( 25), O( 26), O( 27), O( 28), O( 29), O( 30), O( 31), O( 32), O( 33), O( 34), O( 35), O( 36), O( 37), O( 38), O( 39), O( 40), O( 41), O( 42), O( 43), O( 44), O( 45), O( 46), O( 47), O( 48), O( 49), O( 50), O( 51), O( 52), O( 53), O( 54), O( 55), O( 56), O( 57), O( 58), O( 59), O( 60), O( 61), O( 62), O( 63), O( 64), O( 65), O( 66), O( 67), O( 68), O( 69), O( 70), O( 71), O( 72), O( 73), O( 74), O( 75), O( 76), O( 77), O( 78), O( 79), O( 80), O( 81), O( 82), O( 83), O( 84), O( 85), O( 86), O( 87), O( 88), O( 89), O( 90), O( 91), O( 92), O( 93), O( 94), O( 95), O( 96), O( 97), O( 98), O( 99), O(100), O(101), O(102), O(103), O(104), O(105), O(106), O(107), O(108), O(109), O(110), O(111), O(112), O(113), O(114), O(115), O(116), O(117), O(118), O(119), O(120), O(121), O(122), O(123), O(124), O(125), O(126), O(127), #undef O INT_ENTRY(6, OBJThroughMain), INT_ENTRY(6, OBJThroughSub), INT_ENTRY(6, OBJAddition), INT_ENTRY(6, OBJNameBase), INT_ENTRY(6, OBJNameSelect), INT_ENTRY(6, OBJSizeSelect), INT_ENTRY(6, OAMAddr), INT_ENTRY(6, SavedOAMAddr), INT_ENTRY(6, OAMPriorityRotation), INT_ENTRY(6, OAMFlip), INT_ENTRY(6, OAMReadFlip), INT_ENTRY(6, OAMTileAddress), INT_ENTRY(6, OAMWriteRegister), ARRAY_ENTRY(6, OAMData, 512 + 32, uint8_ARRAY_V), INT_ENTRY(6, FirstSprite), INT_ENTRY(6, LastSprite), INT_ENTRY(6, HTimerEnabled), INT_ENTRY(6, VTimerEnabled), INT_ENTRY(6, HTimerPosition), INT_ENTRY(6, VTimerPosition), INT_ENTRY(6, IRQHBeamPos), INT_ENTRY(6, IRQVBeamPos), INT_ENTRY(6, HBeamFlip), INT_ENTRY(6, VBeamFlip), INT_ENTRY(6, HBeamPosLatched), INT_ENTRY(6, VBeamPosLatched), INT_ENTRY(6, GunHLatch), INT_ENTRY(6, GunVLatch), INT_ENTRY(6, HVBeamCounterLatched), INT_ENTRY(6, Mode7HFlip), INT_ENTRY(6, Mode7VFlip), INT_ENTRY(6, Mode7Repeat), INT_ENTRY(6, MatrixA), INT_ENTRY(6, MatrixB), INT_ENTRY(6, MatrixC), INT_ENTRY(6, MatrixD), INT_ENTRY(6, CentreX), INT_ENTRY(6, CentreY), INT_ENTRY(6, M7HOFS), INT_ENTRY(6, M7VOFS), INT_ENTRY(6, Mosaic), INT_ENTRY(6, MosaicStart), ARRAY_ENTRY(6, BGMosaic, 4, uint8_ARRAY_V), INT_ENTRY(6, Window1Left), INT_ENTRY(6, Window1Right), INT_ENTRY(6, Window2Left), INT_ENTRY(6, Window2Right), INT_ENTRY(6, RecomputeClipWindows), #define O(N) \ INT_ENTRY(6, ClipCounts[N]), \ INT_ENTRY(6, ClipWindowOverlapLogic[N]), \ INT_ENTRY(6, ClipWindow1Enable[N]), \ INT_ENTRY(6, ClipWindow2Enable[N]), \ INT_ENTRY(6, ClipWindow1Inside[N]), \ INT_ENTRY(6, ClipWindow2Inside[N]) O(0), O(1), O(2), O(3), O(4), O(5), #undef O INT_ENTRY(6, ForcedBlanking), INT_ENTRY(6, FixedColourRed), INT_ENTRY(6, FixedColourGreen), INT_ENTRY(6, FixedColourBlue), INT_ENTRY(6, Brightness), INT_ENTRY(6, ScreenHeight), INT_ENTRY(6, Need16x8Mulitply), INT_ENTRY(6, BGnxOFSbyte), INT_ENTRY(6, M7byte), INT_ENTRY(6, HDMA), INT_ENTRY(6, HDMAEnded), INT_ENTRY(6, OpenBus1), INT_ENTRY(6, OpenBus2), INT_ENTRY(11, VRAMReadBuffer) }; #undef STRUCT #define STRUCT struct SDMASnapshot static FreezeData SnapDMA[] = { #define O(N) \ INT_ENTRY(6, dma[N].ReverseTransfer), \ INT_ENTRY(6, dma[N].HDMAIndirectAddressing), \ INT_ENTRY(6, dma[N].UnusedBit43x0), \ INT_ENTRY(6, dma[N].AAddressFixed), \ INT_ENTRY(6, dma[N].AAddressDecrement), \ INT_ENTRY(6, dma[N].TransferMode), \ INT_ENTRY(6, dma[N].BAddress), \ INT_ENTRY(6, dma[N].AAddress), \ INT_ENTRY(6, dma[N].ABank), \ INT_ENTRY(6, dma[N].DMACount_Or_HDMAIndirectAddress), \ INT_ENTRY(6, dma[N].IndirectBank), \ INT_ENTRY(6, dma[N].Address), \ INT_ENTRY(6, dma[N].Repeat), \ INT_ENTRY(6, dma[N].LineCount), \ INT_ENTRY(6, dma[N].UnknownByte), \ INT_ENTRY(6, dma[N].DoTransfer) O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7) #undef O }; #undef STRUCT #define STRUCT struct SControlSnapshot static FreezeData SnapControls[] = { INT_ENTRY(6, ver), ARRAY_ENTRY(6, port1_read_idx, 2, uint8_ARRAY_V), ARRAY_ENTRY(6, dummy1, 4, uint8_ARRAY_V), ARRAY_ENTRY(6, port2_read_idx, 2, uint8_ARRAY_V), ARRAY_ENTRY(6, dummy2, 4, uint8_ARRAY_V), ARRAY_ENTRY(6, mouse_speed, 2, uint8_ARRAY_V), INT_ENTRY(6, justifier_select), ARRAY_ENTRY(6, dummy3, 8, uint8_ARRAY_V), INT_ENTRY(6, pad_read), INT_ENTRY(6, pad_read_last), ARRAY_ENTRY(6, internal, 60, uint8_ARRAY_V), ARRAY_ENTRY(10, internal_macs, 5, uint8_ARRAY_V) }; #undef STRUCT #define STRUCT struct STimings static FreezeData SnapTimings[] = { INT_ENTRY(6, H_Max_Master), INT_ENTRY(6, H_Max), INT_ENTRY(6, V_Max_Master), INT_ENTRY(6, V_Max), INT_ENTRY(6, HBlankStart), INT_ENTRY(6, HBlankEnd), INT_ENTRY(6, HDMAInit), INT_ENTRY(6, HDMAStart), INT_ENTRY(6, NMITriggerPos), INT_ENTRY(6, WRAMRefreshPos), INT_ENTRY(6, RenderPos), INT_ENTRY(6, InterlaceField), INT_ENTRY(6, DMACPUSync), INT_ENTRY(6, NMIDMADelay), INT_ENTRY(6, IRQFlagChanging), INT_ENTRY(6, APUSpeedup), INT_ENTRY(7, IRQTriggerCycles), INT_ENTRY(7, APUAllowTimeOverflow), INT_ENTRY(11, NextIRQTimer) }; #undef STRUCT #define STRUCT struct FxRegs_s static FreezeData SnapFX[] = { ARRAY_ENTRY(6, avReg, 16, uint32_ARRAY_V), INT_ENTRY(6, vColorReg), INT_ENTRY(6, vPlotOptionReg), INT_ENTRY(6, vStatusReg), INT_ENTRY(6, vPrgBankReg), INT_ENTRY(6, vRomBankReg), INT_ENTRY(6, vRamBankReg), INT_ENTRY(6, vCacheBaseReg), INT_ENTRY(6, vCacheFlags), INT_ENTRY(6, vLastRamAdr), POINTER_ENTRY(6, pvDreg, avRegAddr), POINTER_ENTRY(6, pvSreg, avRegAddr), INT_ENTRY(6, vRomBuffer), INT_ENTRY(6, vPipe), INT_ENTRY(6, vPipeAdr), INT_ENTRY(6, vSign), INT_ENTRY(6, vZero), INT_ENTRY(6, vCarry), INT_ENTRY(6, vOverflow), INT_ENTRY(6, vErrorCode), INT_ENTRY(6, vIllegalAddress), INT_ENTRY(6, bBreakPoint), INT_ENTRY(6, vBreakPoint), INT_ENTRY(6, vStepPoint), INT_ENTRY(6, nRamBanks), INT_ENTRY(6, nRomBanks), INT_ENTRY(6, vMode), INT_ENTRY(6, vPrevMode), POINTER_ENTRY(6, pvScreenBase, pvRam), #define O(N) \ POINTER_ENTRY(6, apvScreen[N], pvRam) O( 0), O( 1), O( 2), O( 3), O( 4), O( 5), O( 6), O( 7), O( 8), O( 9), O( 10), O( 11), O( 12), O( 13), O( 14), O( 15), O( 16), O( 17), O( 18), O( 19), O( 20), O( 21), O( 22), O( 23), O( 24), O( 25), O( 26), O( 27), O( 28), O( 29), O( 30), O( 31), #undef O ARRAY_ENTRY(6, x, 32, uint32_ARRAY_V), INT_ENTRY(6, vScreenHeight), INT_ENTRY(6, vScreenRealHeight), INT_ENTRY(6, vPrevScreenHeight), INT_ENTRY(6, vScreenSize), POINTER_ENTRY(6, pvRamBank, apvRamBank), POINTER_ENTRY(6, pvRomBank, apvRomBank), POINTER_ENTRY(6, pvPrgBank, apvRomBank), #define O(N) \ POINTER_ENTRY(6, apvRamBank[N], pvRam) O(0), O(1), O(2), O(3), #undef O INT_ENTRY(6, bCacheActive), POINTER_ENTRY(6, pvCache, pvRegisters), ARRAY_ENTRY(6, avCacheBackup, 512, uint8_ARRAY_V), INT_ENTRY(6, vCounter), INT_ENTRY(6, vInstCount), INT_ENTRY(6, vSCBRDirty) }; #undef STRUCT #define STRUCT struct SSA1 static FreezeData SnapSA1[] = { DELETED_INT_ENTRY(6, 7, CPUExecuting, 1), INT_ENTRY(6, ShiftedPB), INT_ENTRY(6, ShiftedDB), INT_ENTRY(6, Flags), DELETED_INT_ENTRY(6, 7, IRQActive, 1), DELETED_INT_ENTRY(6, 7, Waiting, 1), INT_ENTRY(6, WaitingForInterrupt), DELETED_INT_ENTRY(6, 7, WaitAddress, 4), DELETED_INT_ENTRY(6, 7, WaitCounter, 4), DELETED_INT_ENTRY(6, 7, PBPCAtOpcodeStart, 4), DELETED_INT_ENTRY(6, 7, Executing, 1), INT_ENTRY(6, overflow), INT_ENTRY(6, in_char_dma), INT_ENTRY(6, op1), INT_ENTRY(6, op2), INT_ENTRY(6, arithmetic_op), INT_ENTRY(6, sum), INT_ENTRY(6, VirtualBitmapFormat), INT_ENTRY(6, variable_bit_pos), INT_ENTRY(7, Cycles), INT_ENTRY(7, PrevCycles), INT_ENTRY(7, TimerIRQLastState), INT_ENTRY(7, HTimerIRQPos), INT_ENTRY(7, VTimerIRQPos), INT_ENTRY(7, HCounter), INT_ENTRY(7, VCounter), INT_ENTRY(7, PrevHCounter), INT_ENTRY(7, MemSpeed), INT_ENTRY(7, MemSpeedx2) }; #undef STRUCT #define STRUCT struct SSA1Registers static FreezeData SnapSA1Registers[] = { INT_ENTRY(6, PB), INT_ENTRY(6, DB), INT_ENTRY(6, P.W), INT_ENTRY(6, A.W), INT_ENTRY(6, D.W), INT_ENTRY(6, S.W), INT_ENTRY(6, X.W), INT_ENTRY(6, Y.W), INT_ENTRY(6, PCw) }; #undef STRUCT #define STRUCT struct SDSP1 static FreezeData SnapDSP1[] = { INT_ENTRY(6, waiting4command), INT_ENTRY(6, first_parameter), INT_ENTRY(6, command), INT_ENTRY(6, in_count), INT_ENTRY(6, in_index), INT_ENTRY(6, out_count), INT_ENTRY(6, out_index), ARRAY_ENTRY(6, parameters, 512, uint8_ARRAY_V), ARRAY_ENTRY(6, output, 512, uint8_ARRAY_V), INT_ENTRY(6, CentreX), INT_ENTRY(6, CentreY), INT_ENTRY(6, VOffset), INT_ENTRY(6, VPlane_C), INT_ENTRY(6, VPlane_E), INT_ENTRY(6, SinAas), INT_ENTRY(6, CosAas), INT_ENTRY(6, SinAzs), INT_ENTRY(6, CosAzs), INT_ENTRY(6, SinAZS), INT_ENTRY(6, CosAZS), INT_ENTRY(6, SecAZS_C1), INT_ENTRY(6, SecAZS_E1), INT_ENTRY(6, SecAZS_C2), INT_ENTRY(6, SecAZS_E2), INT_ENTRY(6, Nx), INT_ENTRY(6, Ny), INT_ENTRY(6, Nz), INT_ENTRY(6, Gx), INT_ENTRY(6, Gy), INT_ENTRY(6, Gz), INT_ENTRY(6, C_Les), INT_ENTRY(6, E_Les), INT_ENTRY(6, G_Les), #define O(N) \ ARRAY_ENTRY(6, matrixA[N], 3, uint16_ARRAY_V), \ ARRAY_ENTRY(6, matrixB[N], 3, uint16_ARRAY_V), \ ARRAY_ENTRY(6, matrixC[N], 3, uint16_ARRAY_V) O(0), O(1), O(2), #undef O INT_ENTRY(6, Op00Multiplicand), INT_ENTRY(6, Op00Multiplier), INT_ENTRY(6, Op00Result), INT_ENTRY(6, Op20Multiplicand), INT_ENTRY(6, Op20Multiplier), INT_ENTRY(6, Op20Result), INT_ENTRY(6, Op10Coefficient), INT_ENTRY(6, Op10Exponent), INT_ENTRY(6, Op10CoefficientR), INT_ENTRY(6, Op10ExponentR), INT_ENTRY(6, Op04Angle), INT_ENTRY(6, Op04Radius), INT_ENTRY(6, Op04Sin), INT_ENTRY(6, Op04Cos), INT_ENTRY(6, Op0CA), INT_ENTRY(6, Op0CX1), INT_ENTRY(6, Op0CY1), INT_ENTRY(6, Op0CX2), INT_ENTRY(6, Op0CY2), INT_ENTRY(6, Op02FX), INT_ENTRY(6, Op02FY), INT_ENTRY(6, Op02FZ), INT_ENTRY(6, Op02LFE), INT_ENTRY(6, Op02LES), INT_ENTRY(6, Op02AAS), INT_ENTRY(6, Op02AZS), INT_ENTRY(6, Op02VOF), INT_ENTRY(6, Op02VVA), INT_ENTRY(6, Op02CX), INT_ENTRY(6, Op02CY), INT_ENTRY(6, Op0AVS), INT_ENTRY(6, Op0AA), INT_ENTRY(6, Op0AB), INT_ENTRY(6, Op0AC), INT_ENTRY(6, Op0AD), INT_ENTRY(6, Op06X), INT_ENTRY(6, Op06Y), INT_ENTRY(6, Op06Z), INT_ENTRY(6, Op06H), INT_ENTRY(6, Op06V), INT_ENTRY(6, Op06M), INT_ENTRY(6, Op01m), INT_ENTRY(6, Op01Zr), INT_ENTRY(6, Op01Xr), INT_ENTRY(6, Op01Yr), INT_ENTRY(6, Op11m), INT_ENTRY(6, Op11Zr), INT_ENTRY(6, Op11Xr), INT_ENTRY(6, Op11Yr), INT_ENTRY(6, Op21m), INT_ENTRY(6, Op21Zr), INT_ENTRY(6, Op21Xr), INT_ENTRY(6, Op21Yr), INT_ENTRY(6, Op0DX), INT_ENTRY(6, Op0DY), INT_ENTRY(6, Op0DZ), INT_ENTRY(6, Op0DF), INT_ENTRY(6, Op0DL), INT_ENTRY(6, Op0DU), INT_ENTRY(6, Op1DX), INT_ENTRY(6, Op1DY), INT_ENTRY(6, Op1DZ), INT_ENTRY(6, Op1DF), INT_ENTRY(6, Op1DL), INT_ENTRY(6, Op1DU), INT_ENTRY(6, Op2DX), INT_ENTRY(6, Op2DY), INT_ENTRY(6, Op2DZ), INT_ENTRY(6, Op2DF), INT_ENTRY(6, Op2DL), INT_ENTRY(6, Op2DU), INT_ENTRY(6, Op03F), INT_ENTRY(6, Op03L), INT_ENTRY(6, Op03U), INT_ENTRY(6, Op03X), INT_ENTRY(6, Op03Y), INT_ENTRY(6, Op03Z), INT_ENTRY(6, Op13F), INT_ENTRY(6, Op13L), INT_ENTRY(6, Op13U), INT_ENTRY(6, Op13X), INT_ENTRY(6, Op13Y), INT_ENTRY(6, Op13Z), INT_ENTRY(6, Op23F), INT_ENTRY(6, Op23L), INT_ENTRY(6, Op23U), INT_ENTRY(6, Op23X), INT_ENTRY(6, Op23Y), INT_ENTRY(6, Op23Z), INT_ENTRY(6, Op14Zr), INT_ENTRY(6, Op14Xr), INT_ENTRY(6, Op14Yr), INT_ENTRY(6, Op14U), INT_ENTRY(6, Op14F), INT_ENTRY(6, Op14L), INT_ENTRY(6, Op14Zrr), INT_ENTRY(6, Op14Xrr), INT_ENTRY(6, Op14Yrr), INT_ENTRY(6, Op0EH), INT_ENTRY(6, Op0EV), INT_ENTRY(6, Op0EX), INT_ENTRY(6, Op0EY), INT_ENTRY(6, Op0BX), INT_ENTRY(6, Op0BY), INT_ENTRY(6, Op0BZ), INT_ENTRY(6, Op0BS), INT_ENTRY(6, Op1BX), INT_ENTRY(6, Op1BY), INT_ENTRY(6, Op1BZ), INT_ENTRY(6, Op1BS), INT_ENTRY(6, Op2BX), INT_ENTRY(6, Op2BY), INT_ENTRY(6, Op2BZ), INT_ENTRY(6, Op2BS), INT_ENTRY(6, Op28X), INT_ENTRY(6, Op28Y), INT_ENTRY(6, Op28Z), INT_ENTRY(6, Op28R), INT_ENTRY(6, Op1CX), INT_ENTRY(6, Op1CY), INT_ENTRY(6, Op1CZ), INT_ENTRY(6, Op1CXBR), INT_ENTRY(6, Op1CYBR), INT_ENTRY(6, Op1CZBR), INT_ENTRY(6, Op1CXAR), INT_ENTRY(6, Op1CYAR), INT_ENTRY(6, Op1CZAR), INT_ENTRY(6, Op1CX1), INT_ENTRY(6, Op1CY1), INT_ENTRY(6, Op1CZ1), INT_ENTRY(6, Op1CX2), INT_ENTRY(6, Op1CY2), INT_ENTRY(6, Op1CZ2), INT_ENTRY(6, Op0FRamsize), INT_ENTRY(6, Op0FPass), INT_ENTRY(6, Op2FUnknown), INT_ENTRY(6, Op2FSize), INT_ENTRY(6, Op08X), INT_ENTRY(6, Op08Y), INT_ENTRY(6, Op08Z), INT_ENTRY(6, Op08Ll), INT_ENTRY(6, Op08Lh), INT_ENTRY(6, Op18X), INT_ENTRY(6, Op18Y), INT_ENTRY(6, Op18Z), INT_ENTRY(6, Op18R), INT_ENTRY(6, Op18D), INT_ENTRY(6, Op38X), INT_ENTRY(6, Op38Y), INT_ENTRY(6, Op38Z), INT_ENTRY(6, Op38R), INT_ENTRY(6, Op38D) }; #undef STRUCT #define STRUCT struct SDSP2 static FreezeData SnapDSP2[] = { INT_ENTRY(6, waiting4command), INT_ENTRY(6, command), INT_ENTRY(6, in_count), INT_ENTRY(6, in_index), INT_ENTRY(6, out_count), INT_ENTRY(6, out_index), ARRAY_ENTRY(6, parameters, 512, uint8_ARRAY_V), ARRAY_ENTRY(6, output, 512, uint8_ARRAY_V), INT_ENTRY(6, Op05HasLen), INT_ENTRY(6, Op05Len), INT_ENTRY(6, Op05Transparent), INT_ENTRY(6, Op06HasLen), INT_ENTRY(6, Op06Len), INT_ENTRY(6, Op09Word1), INT_ENTRY(6, Op09Word2), INT_ENTRY(6, Op0DHasLen), INT_ENTRY(6, Op0DOutLen), INT_ENTRY(6, Op0DInLen) }; #undef STRUCT #define STRUCT struct SDSP4 static FreezeData SnapDSP4[] = { INT_ENTRY(6, waiting4command), INT_ENTRY(6, half_command), INT_ENTRY(6, command), INT_ENTRY(6, in_count), INT_ENTRY(6, in_index), INT_ENTRY(6, out_count), INT_ENTRY(6, out_index), ARRAY_ENTRY(6, parameters, 512, uint8_ARRAY_V), ARRAY_ENTRY(6, output, 512, uint8_ARRAY_V), INT_ENTRY(6, byte), INT_ENTRY(6, address), INT_ENTRY(6, Logic), INT_ENTRY(6, lcv), INT_ENTRY(6, distance), INT_ENTRY(6, raster), INT_ENTRY(6, segments), INT_ENTRY(6, world_x), INT_ENTRY(6, world_y), INT_ENTRY(6, world_dx), INT_ENTRY(6, world_dy), INT_ENTRY(6, world_ddx), INT_ENTRY(6, world_ddy), INT_ENTRY(6, world_xenv), INT_ENTRY(6, world_yofs), INT_ENTRY(6, view_x1), INT_ENTRY(6, view_y1), INT_ENTRY(6, view_x2), INT_ENTRY(6, view_y2), INT_ENTRY(6, view_dx), INT_ENTRY(6, view_dy), INT_ENTRY(6, view_xofs1), INT_ENTRY(6, view_yofs1), INT_ENTRY(6, view_xofs2), INT_ENTRY(6, view_yofs2), INT_ENTRY(6, view_yofsenv), INT_ENTRY(6, view_turnoff_x), INT_ENTRY(6, view_turnoff_dx), INT_ENTRY(6, viewport_cx), INT_ENTRY(6, viewport_cy), INT_ENTRY(6, viewport_left), INT_ENTRY(6, viewport_right), INT_ENTRY(6, viewport_top), INT_ENTRY(6, viewport_bottom), INT_ENTRY(6, sprite_x), INT_ENTRY(6, sprite_y), INT_ENTRY(6, sprite_attr), INT_ENTRY(6, sprite_size), INT_ENTRY(6, sprite_clipy), INT_ENTRY(6, sprite_count), #define O(N) \ ARRAY_ENTRY(6, poly_clipLf[N], 2, uint16_ARRAY_V), \ ARRAY_ENTRY(6, poly_clipRt[N], 2, uint16_ARRAY_V), \ ARRAY_ENTRY(6, poly_ptr[N], 2, uint16_ARRAY_V), \ ARRAY_ENTRY(6, poly_raster[N], 2, uint16_ARRAY_V), \ ARRAY_ENTRY(6, poly_top[N], 2, uint16_ARRAY_V), \ ARRAY_ENTRY(6, poly_bottom[N], 2, uint16_ARRAY_V), \ ARRAY_ENTRY(6, poly_cx[N], 2, uint16_ARRAY_V) O(0), O(1), #undef O ARRAY_ENTRY(6, poly_start, 2, uint16_ARRAY_V), ARRAY_ENTRY(6, poly_plane, 2, uint16_ARRAY_V), ARRAY_ENTRY(6, OAM_attr, 16, uint16_ARRAY_V), INT_ENTRY(6, OAM_index), INT_ENTRY(6, OAM_bits), INT_ENTRY(6, OAM_RowMax), ARRAY_ENTRY(6, OAM_Row, 32, uint16_ARRAY_V) }; #undef STRUCT #define STRUCT struct SST010 static FreezeData SnapST010[] = { ARRAY_ENTRY(6, input_params, 16, uint8_ARRAY_V), ARRAY_ENTRY(6, output_params, 16, uint8_ARRAY_V), INT_ENTRY(6, op_reg), INT_ENTRY(6, execute), INT_ENTRY(6, control_enable) }; #undef STRUCT #define STRUCT struct SOBC1 static FreezeData SnapOBC1[] = { INT_ENTRY(6, address), INT_ENTRY(6, basePtr), INT_ENTRY(6, shift) }; #undef STRUCT #define STRUCT struct SSPC7110Snapshot static FreezeData SnapSPC7110Snap[] = { INT_ENTRY(6, r4801), INT_ENTRY(6, r4802), INT_ENTRY(6, r4803), INT_ENTRY(6, r4804), INT_ENTRY(6, r4805), INT_ENTRY(6, r4806), INT_ENTRY(6, r4807), INT_ENTRY(6, r4808), INT_ENTRY(6, r4809), INT_ENTRY(6, r480a), INT_ENTRY(6, r480b), INT_ENTRY(6, r480c), INT_ENTRY(6, r4811), INT_ENTRY(6, r4812), INT_ENTRY(6, r4813), INT_ENTRY(6, r4814), INT_ENTRY(6, r4815), INT_ENTRY(6, r4816), INT_ENTRY(6, r4817), INT_ENTRY(6, r4818), INT_ENTRY(6, r481x), INT_ENTRY(6, r4814_latch), INT_ENTRY(6, r4815_latch), INT_ENTRY(6, r4820), INT_ENTRY(6, r4821), INT_ENTRY(6, r4822), INT_ENTRY(6, r4823), INT_ENTRY(6, r4824), INT_ENTRY(6, r4825), INT_ENTRY(6, r4826), INT_ENTRY(6, r4827), INT_ENTRY(6, r4828), INT_ENTRY(6, r4829), INT_ENTRY(6, r482a), INT_ENTRY(6, r482b), INT_ENTRY(6, r482c), INT_ENTRY(6, r482d), INT_ENTRY(6, r482e), INT_ENTRY(6, r482f), INT_ENTRY(6, r4830), INT_ENTRY(6, r4831), INT_ENTRY(6, r4832), INT_ENTRY(6, r4833), INT_ENTRY(6, r4834), INT_ENTRY(6, dx_offset), INT_ENTRY(6, ex_offset), INT_ENTRY(6, fx_offset), INT_ENTRY(6, r4840), INT_ENTRY(6, r4841), INT_ENTRY(6, r4842), INT_ENTRY(6, rtc_state), INT_ENTRY(6, rtc_mode), INT_ENTRY(6, rtc_index), INT_ENTRY(6, decomp_mode), INT_ENTRY(6, decomp_offset), ARRAY_ENTRY(6, decomp_buffer, SPC7110_DECOMP_BUFFER_SIZE, uint8_ARRAY_V), INT_ENTRY(6, decomp_buffer_rdoffset), INT_ENTRY(6, decomp_buffer_wroffset), INT_ENTRY(6, decomp_buffer_length), #define O(N) \ INT_ENTRY(6, context[N].index), \ INT_ENTRY(6, context[N].invert) O( 0), O( 1), O( 2), O( 3), O( 4), O( 5), O( 6), O( 7), O( 8), O( 9), O( 10), O( 11), O( 12), O( 13), O( 14), O( 15), O( 16), O( 17), O( 18), O( 19), O( 20), O( 21), O( 22), O( 23), O( 24), O( 25), O( 26), O( 27), O( 28), O( 29), O( 30), O( 31) #undef O }; #undef STRUCT #define STRUCT struct SSRTCSnapshot static FreezeData SnapSRTCSnap[] = { INT_ENTRY(6, rtc_mode), INT_ENTRY(6, rtc_index) }; #undef STRUCT #define STRUCT struct SBSX static FreezeData SnapBSX[] = { INT_ENTRY(6, dirty), INT_ENTRY(6, dirty2), INT_ENTRY(6, bootup), INT_ENTRY(6, flash_enable), INT_ENTRY(6, write_enable), INT_ENTRY(6, read_enable), INT_ENTRY(6, flash_command), INT_ENTRY(6, old_write), INT_ENTRY(6, new_write), INT_ENTRY(6, out_index), ARRAY_ENTRY(6, output, 32, uint8_ARRAY_V), ARRAY_ENTRY(6, PPU, 32, uint8_ARRAY_V), ARRAY_ENTRY(6, MMC, 16, uint8_ARRAY_V), ARRAY_ENTRY(6, prevMMC, 16, uint8_ARRAY_V), ARRAY_ENTRY(6, test2192, 32, uint8_ARRAY_V) }; #undef STRUCT #define STRUCT struct SMSU1 static FreezeData SnapMSU1[] = { INT_ENTRY(9, MSU1_STATUS), INT_ENTRY(9, MSU1_DATA_SEEK), INT_ENTRY(9, MSU1_DATA_POS), INT_ENTRY(9, MSU1_TRACK_SEEK), INT_ENTRY(9, MSU1_CURRENT_TRACK), INT_ENTRY(9, MSU1_RESUME_TRACK), INT_ENTRY(9, MSU1_VOLUME), INT_ENTRY(9, MSU1_CONTROL), INT_ENTRY(9, MSU1_AUDIO_POS), INT_ENTRY(9, MSU1_RESUME_POS) }; #undef STRUCT #define STRUCT struct SnapshotScreenshotInfo static FreezeData SnapScreenshot[] = { INT_ENTRY(6, Width), INT_ENTRY(6, Height), INT_ENTRY(6, Interlaced), ARRAY_ENTRY(6, Data, MAX_SNES_WIDTH * MAX_SNES_HEIGHT * 3, uint8_ARRAY_V) }; #undef STRUCT #define STRUCT struct SnapshotMovieInfo static FreezeData SnapMovie[] = { INT_ENTRY(6, MovieInputDataSize) }; static int UnfreezeBlock (STREAM, const char *, uint8 *, int); static int UnfreezeBlockCopy (STREAM, const char *, uint8 **, int); static int UnfreezeStruct (STREAM, const char *, void *, FreezeData *, int, int); static int UnfreezeStructCopy (STREAM, const char *, uint8 **, FreezeData *, int, int); static void UnfreezeStructFromCopy (void *, FreezeData *, int, uint8 *, int); static void FreezeBlock (STREAM, const char *, uint8 *, int); static void FreezeStruct (STREAM, const char *, void *, FreezeData *, int); static bool CheckBlockName(STREAM stream, const char *name, int &len); static void SkipBlockWithName(STREAM stream, const char *name); void S9xResetSaveTimer (bool8 dontsave) { static time_t t = -1; if (!Settings.DontSaveOopsSnapshot && !dontsave && t != -1 && time(NULL) - t > 300) { auto filename = S9xGetFilename("oops", SNAPSHOT_DIR); S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, SAVE_INFO_OOPS); S9xFreezeGame(filename.c_str()); } t = time(NULL); } uint32 S9xFreezeSize() { nulStream stream; S9xFreezeToStream(&stream); return stream.size(); } bool8 S9xFreezeGameMem (uint8 *buf, uint32 bufSize) { memStream mStream(buf, bufSize); S9xFreezeToStream(&mStream); return (TRUE); } bool8 S9xFreezeGame (const char *filename) { STREAM stream = NULL; if (S9xOpenSnapshotFile(filename, FALSE, &stream)) { S9xFreezeToStream(stream); S9xCloseSnapshotFile(stream); S9xResetSaveTimer(TRUE); auto base = S9xBasename(filename); if (S9xMovieActive()) sprintf(String, MOVIE_INFO_SNAPSHOT " %s", base.c_str()); else sprintf(String, SAVE_INFO_SNAPSHOT " %s", base.c_str()); S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, String); return (TRUE); } return (FALSE); } int S9xUnfreezeGameMem (const uint8 *buf, uint32 bufSize) { memStream stream(buf, bufSize); int result = S9xUnfreezeFromStream(&stream); return result; } void S9xMessageFromResult(int result, const char* base) { switch(result) { case WRONG_FORMAT: S9xMessage(S9X_ERROR, S9X_WRONG_FORMAT, SAVE_ERR_WRONG_FORMAT); break; case WRONG_VERSION: S9xMessage(S9X_ERROR, S9X_WRONG_VERSION, SAVE_ERR_WRONG_VERSION); break; case WRONG_MOVIE_SNAPSHOT: S9xMessage(S9X_ERROR, S9X_WRONG_MOVIE_SNAPSHOT, MOVIE_ERR_SNAPSHOT_WRONG_MOVIE); break; case NOT_A_MOVIE_SNAPSHOT: S9xMessage(S9X_ERROR, S9X_NOT_A_MOVIE_SNAPSHOT, MOVIE_ERR_SNAPSHOT_NOT_MOVIE); break; case SNAPSHOT_INCONSISTENT: S9xMessage(S9X_ERROR, S9X_SNAPSHOT_INCONSISTENT, MOVIE_ERR_SNAPSHOT_INCONSISTENT); break; case FILE_NOT_FOUND: default: sprintf(String, SAVE_ERR_ROM_NOT_FOUND, base); S9xMessage(S9X_ERROR, S9X_ROM_NOT_FOUND, String); break; } } bool8 S9xUnfreezeGame (const char *filename) { STREAM stream = NULL; auto base = S9xBasename(filename); auto path = splitpath(filename); S9xResetSaveTimer(path.ext_is(".oops") || path.ext_is(".oop")); if (S9xOpenSnapshotFile(filename, TRUE, &stream)) { int result; result = S9xUnfreezeFromStream(stream); S9xCloseSnapshotFile(stream); if (result != SUCCESS) { S9xMessageFromResult(result, base.c_str()); return (FALSE); } if (S9xMovieActive()) { if (S9xMovieReadOnly()) sprintf(String, MOVIE_INFO_REWIND " %s", base.c_str()); else sprintf(String, MOVIE_INFO_RERECORD " %s", base.c_str()); } else sprintf(String, SAVE_INFO_LOAD " %s", base.c_str()); S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, String); return (TRUE); } sprintf(String, SAVE_ERR_SAVE_NOT_FOUND, base.c_str()); S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, String); return (FALSE); } bool8 S9xUnfreezeScreenshot(const char *filename, uint16 **image_buffer, int &width, int &height) { STREAM stream = NULL; auto base = S9xBasename(filename); if(S9xOpenSnapshotFile(filename, TRUE, &stream)) { int result; result = S9xUnfreezeScreenshotFromStream(stream, image_buffer, width, height); S9xCloseSnapshotFile(stream); if(result != SUCCESS) { S9xMessageFromResult(result, base.c_str()); return (FALSE); } return (TRUE); } sprintf(String, SAVE_ERR_SAVE_NOT_FOUND, base.c_str()); S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, String); return (FALSE); } void S9xFreezeToStream (STREAM stream) { char buffer[8192]; uint8 *soundsnapshot = new uint8[SPC_SAVE_STATE_BLOCK_SIZE]; sprintf(buffer, "%s:%04d\n", SNAPSHOT_MAGIC, SNAPSHOT_VERSION); WRITE_STREAM(buffer, strlen(buffer), stream); sprintf(buffer, "NAM:%06d:%s%c", (int) Memory.ROMFilename.length() + 1, Memory.ROMFilename.c_str(), 0); WRITE_STREAM(buffer, strlen(buffer) + 1, stream); FreezeStruct(stream, "CPU", &CPU, SnapCPU, COUNT(SnapCPU)); FreezeStruct(stream, "REG", &Registers, SnapRegisters, COUNT(SnapRegisters)); FreezeStruct(stream, "PPU", &PPU, SnapPPU, COUNT(SnapPPU)); struct SDMASnapshot dma_snap; for (int d = 0; d < 8; d++) dma_snap.dma[d] = DMA[d]; FreezeStruct(stream, "DMA", &dma_snap, SnapDMA, COUNT(SnapDMA)); FreezeBlock (stream, "VRA", Memory.VRAM, 0x10000); FreezeBlock (stream, "RAM", Memory.RAM, 0x20000); FreezeBlock (stream, "SRA", Memory.SRAM, 0x80000); FreezeBlock (stream, "FIL", Memory.FillRAM, 0x8000); S9xAPUSaveState(soundsnapshot); FreezeBlock (stream, "SND", soundsnapshot, SPC_SAVE_STATE_BLOCK_SIZE); struct SControlSnapshot ctl_snap; S9xControlPreSaveState(&ctl_snap); FreezeStruct(stream, "CTL", &ctl_snap, SnapControls, COUNT(SnapControls)); FreezeStruct(stream, "TIM", &Timings, SnapTimings, COUNT(SnapTimings)); if (Settings.SuperFX) { GSU.avRegAddr = (uint8 *) &GSU.avReg; FreezeStruct(stream, "SFX", &GSU, SnapFX, COUNT(SnapFX)); } if (Settings.SA1) { S9xSA1PackStatus(); FreezeStruct(stream, "SA1", &SA1, SnapSA1, COUNT(SnapSA1)); FreezeStruct(stream, "SAR", &SA1Registers, SnapSA1Registers, COUNT(SnapSA1Registers)); } if (Settings.DSP == 1) FreezeStruct(stream, "DP1", &DSP1, SnapDSP1, COUNT(SnapDSP1)); if (Settings.DSP == 2) FreezeStruct(stream, "DP2", &DSP2, SnapDSP2, COUNT(SnapDSP2)); if (Settings.DSP == 4) FreezeStruct(stream, "DP4", &DSP4, SnapDSP4, COUNT(SnapDSP4)); if (Settings.C4) FreezeBlock (stream, "CX4", Memory.C4RAM, 8192); if (Settings.SETA == ST_010) FreezeStruct(stream, "ST0", &ST010, SnapST010, COUNT(SnapST010)); if (Settings.OBC1) { FreezeStruct(stream, "OBC", &OBC1, SnapOBC1, COUNT(SnapOBC1)); FreezeBlock (stream, "OBM", Memory.OBC1RAM, 8192); } if (Settings.SPC7110) { S9xSPC7110PreSaveState(); FreezeStruct(stream, "S71", &s7snap, SnapSPC7110Snap, COUNT(SnapSPC7110Snap)); } if (Settings.SRTC) { S9xSRTCPreSaveState(); FreezeStruct(stream, "SRT", &srtcsnap, SnapSRTCSnap, COUNT(SnapSRTCSnap)); } if (Settings.SRTC || Settings.SPC7110RTC) FreezeBlock (stream, "CLK", RTCData.reg, 20); if (Settings.BS) FreezeStruct(stream, "BSX", &BSX, SnapBSX, COUNT(SnapBSX)); if (Settings.MSU1) FreezeStruct(stream, "MSU", &MSU1, SnapMSU1, COUNT(SnapMSU1)); if (Settings.SnapshotScreenshots) { SnapshotScreenshotInfo *ssi = new SnapshotScreenshotInfo; ssi->Width = min(IPPU.RenderedScreenWidth, MAX_SNES_WIDTH); ssi->Height = min(IPPU.RenderedScreenHeight, MAX_SNES_HEIGHT); ssi->Interlaced = GFX.DoInterlace; uint8 *rowpix = ssi->Data; uint16 *screen = GFX.Screen; for (int y = 0; y < ssi->Height; y++, screen += GFX.RealPPL) { for (int x = 0; x < ssi->Width; x++) { uint32 r, g, b; DECOMPOSE_PIXEL(screen[x], r, g, b); *(rowpix++) = r; *(rowpix++) = g; *(rowpix++) = b; } } memset(rowpix, 0, sizeof(ssi->Data) + ssi->Data - rowpix); FreezeStruct(stream, "SHO", ssi, SnapScreenshot, COUNT(SnapScreenshot)); delete ssi; } if (S9xMovieActive()) { uint8 *movie_freeze_buf; uint32 movie_freeze_size; S9xMovieFreeze(&movie_freeze_buf, &movie_freeze_size); if (movie_freeze_buf) { struct SnapshotMovieInfo mi; mi.MovieInputDataSize = movie_freeze_size; FreezeStruct(stream, "MOV", &mi, SnapMovie, COUNT(SnapMovie)); FreezeBlock (stream, "MID", movie_freeze_buf, movie_freeze_size); delete [] movie_freeze_buf; } } delete [] soundsnapshot; } int S9xUnfreezeFromStream (STREAM stream) { const bool8 fast = Settings.FastSavestates; int result = SUCCESS; int version, len; char buffer[PATH_MAX + 1]; len = strlen(SNAPSHOT_MAGIC) + 1 + 4 + 1; if (READ_STREAM(buffer, len, stream) != (unsigned int ) len) return (WRONG_FORMAT); if (strncmp(buffer, SNAPSHOT_MAGIC, strlen(SNAPSHOT_MAGIC)) != 0) return (WRONG_FORMAT); version = atoi(&buffer[strlen(SNAPSHOT_MAGIC) + 1]); if (version > SNAPSHOT_VERSION) return (WRONG_VERSION); result = UnfreezeBlock(stream, "NAM", (uint8 *) buffer, PATH_MAX); if (result != SUCCESS) return (result); uint8 *local_cpu = NULL; uint8 *local_registers = NULL; uint8 *local_ppu = NULL; uint8 *local_dma = NULL; uint8 *local_vram = NULL; uint8 *local_ram = NULL; uint8 *local_sram = NULL; uint8 *local_fillram = NULL; uint8 *local_apu_sound = NULL; uint8 *local_control_data = NULL; uint8 *local_timing_data = NULL; uint8 *local_superfx = NULL; uint8 *local_sa1 = NULL; uint8 *local_sa1_registers = NULL; uint8 *local_dsp1 = NULL; uint8 *local_dsp2 = NULL; uint8 *local_dsp4 = NULL; uint8 *local_cx4_data = NULL; uint8 *local_st010 = NULL; uint8 *local_obc1 = NULL; uint8 *local_obc1_data = NULL; uint8 *local_spc7110 = NULL; uint8 *local_srtc = NULL; uint8 *local_rtc_data = NULL; uint8 *local_bsx_data = NULL; uint8 *local_msu1_data = NULL; uint8 *local_screenshot = NULL; uint8 *local_movie_data = NULL; do { result = UnfreezeStructCopy(stream, "CPU", &local_cpu, SnapCPU, COUNT(SnapCPU), version); if (result != SUCCESS) break; result = UnfreezeStructCopy(stream, "REG", &local_registers, SnapRegisters, COUNT(SnapRegisters), version); if (result != SUCCESS) break; result = UnfreezeStructCopy(stream, "PPU", &local_ppu, SnapPPU, COUNT(SnapPPU), version); if (result != SUCCESS) break; result = UnfreezeStructCopy(stream, "DMA", &local_dma, SnapDMA, COUNT(SnapDMA), version); if (result != SUCCESS) break; if (fast) result = UnfreezeBlock(stream, "VRA", Memory.VRAM, 0x10000); else result = UnfreezeBlockCopy(stream, "VRA", &local_vram, 0x10000); if (result != SUCCESS) break; if (fast) result = UnfreezeBlock(stream, "RAM", Memory.RAM, 0x20000); else result = UnfreezeBlockCopy(stream, "RAM", &local_ram, 0x20000); if (result != SUCCESS) break; if (fast) result = UnfreezeBlock(stream, "SRA", Memory.SRAM, 0x80000); else result = UnfreezeBlockCopy (stream, "SRA", &local_sram, 0x80000); if (result != SUCCESS) break; if (fast) result = UnfreezeBlock(stream, "FIL", Memory.FillRAM, 0x8000); else result = UnfreezeBlockCopy(stream, "FIL", &local_fillram, 0x8000); if (result != SUCCESS) break; result = UnfreezeBlockCopy (stream, "SND", &local_apu_sound, SPC_SAVE_STATE_BLOCK_SIZE); if (result != SUCCESS) break; result = UnfreezeStructCopy(stream, "CTL", &local_control_data, SnapControls, COUNT(SnapControls), version); if (result != SUCCESS) break; result = UnfreezeStructCopy(stream, "TIM", &local_timing_data, SnapTimings, COUNT(SnapTimings), version); if (result != SUCCESS) break; result = UnfreezeStructCopy(stream, "SFX", &local_superfx, SnapFX, COUNT(SnapFX), version); if (result != SUCCESS && Settings.SuperFX) break; result = UnfreezeStructCopy(stream, "SA1", &local_sa1, SnapSA1, COUNT(SnapSA1), version); if (result != SUCCESS && Settings.SA1) break; result = UnfreezeStructCopy(stream, "SAR", &local_sa1_registers, SnapSA1Registers, COUNT(SnapSA1Registers), version); if (result != SUCCESS && Settings.SA1) break; result = UnfreezeStructCopy(stream, "DP1", &local_dsp1, SnapDSP1, COUNT(SnapDSP1), version); if (result != SUCCESS && Settings.DSP == 1) break; result = UnfreezeStructCopy(stream, "DP2", &local_dsp2, SnapDSP2, COUNT(SnapDSP2), version); if (result != SUCCESS && Settings.DSP == 2) break; result = UnfreezeStructCopy(stream, "DP4", &local_dsp4, SnapDSP4, COUNT(SnapDSP4), version); if (result != SUCCESS && Settings.DSP == 4) break; if (Settings.C4) { if (fast) result = UnfreezeBlock(stream, "CX4", Memory.C4RAM, 8192); else result = UnfreezeBlockCopy(stream, "CX4", &local_cx4_data, 8192); if (result != SUCCESS) break; } else { SkipBlockWithName(stream, "CX4"); } result = UnfreezeStructCopy(stream, "ST0", &local_st010, SnapST010, COUNT(SnapST010), version); if (result != SUCCESS && Settings.SETA == ST_010) break; result = UnfreezeStructCopy(stream, "OBC", &local_obc1, SnapOBC1, COUNT(SnapOBC1), version); if (result != SUCCESS && Settings.OBC1) break; if (Settings.OBC1) { if (fast) result = UnfreezeBlock(stream, "OBM", Memory.OBC1RAM, 8192); else result = UnfreezeBlockCopy(stream, "OBM", &local_obc1_data, 8192); if (result != SUCCESS) break; } else { SkipBlockWithName(stream, "OBM"); } result = UnfreezeStructCopy(stream, "S71", &local_spc7110, SnapSPC7110Snap, COUNT(SnapSPC7110Snap), version); if (result != SUCCESS && Settings.SPC7110) break; result = UnfreezeStructCopy(stream, "SRT", &local_srtc, SnapSRTCSnap, COUNT(SnapSRTCSnap), version); if (result != SUCCESS && Settings.SRTC) break; result = UnfreezeBlockCopy (stream, "CLK", &local_rtc_data, 20); if (result != SUCCESS && (Settings.SRTC || Settings.SPC7110RTC)) break; result = UnfreezeStructCopy(stream, "BSX", &local_bsx_data, SnapBSX, COUNT(SnapBSX), version); if (result != SUCCESS && Settings.BS) break; result = UnfreezeStructCopy(stream, "MSU", &local_msu1_data, SnapMSU1, COUNT(SnapMSU1), version); if (result != SUCCESS && Settings.MSU1) break; result = UnfreezeStructCopy(stream, "SHO", &local_screenshot, SnapScreenshot, COUNT(SnapScreenshot), version); SnapshotMovieInfo mi; result = UnfreezeStruct(stream, "MOV", &mi, SnapMovie, COUNT(SnapMovie), version); if (result != SUCCESS) { if (S9xMovieActive()) { result = NOT_A_MOVIE_SNAPSHOT; break; } } else { result = UnfreezeBlockCopy(stream, "MID", &local_movie_data, mi.MovieInputDataSize); if (result != SUCCESS) { if (S9xMovieActive()) { result = NOT_A_MOVIE_SNAPSHOT; break; } } if (S9xMovieActive()) { result = S9xMovieUnfreeze(local_movie_data, mi.MovieInputDataSize); if (result != SUCCESS) break; } } result = SUCCESS; } while (false); if (result == SUCCESS) { uint32 old_flags = CPU.Flags; uint32 sa1_old_flags = SA1.Flags; if (fast) { S9xResetPPUFast(); } else { //Do not call this if you have written directly to "Memory." arrays S9xReset(); } UnfreezeStructFromCopy(&CPU, SnapCPU, COUNT(SnapCPU), local_cpu, version); UnfreezeStructFromCopy(&Registers, SnapRegisters, COUNT(SnapRegisters), local_registers, version); UnfreezeStructFromCopy(&PPU, SnapPPU, COUNT(SnapPPU), local_ppu, version); struct SDMASnapshot dma_snap; UnfreezeStructFromCopy(&dma_snap, SnapDMA, COUNT(SnapDMA), local_dma, version); if (local_vram) memcpy(Memory.VRAM, local_vram, 0x10000); if (local_ram) memcpy(Memory.RAM, local_ram, 0x20000); if (local_sram) memcpy(Memory.SRAM, local_sram, 0x80000); if (local_fillram) memcpy(Memory.FillRAM, local_fillram, 0x8000); if(version < SNAPSHOT_VERSION_BAPU) { printf("Using Blargg APU snapshot loading (snapshot version %d, current is %d)\n...", version, SNAPSHOT_VERSION); S9xAPULoadBlarggState(local_apu_sound); } else S9xAPULoadState(local_apu_sound); struct SControlSnapshot ctl_snap; UnfreezeStructFromCopy(&ctl_snap, SnapControls, COUNT(SnapControls), local_control_data, version); UnfreezeStructFromCopy(&Timings, SnapTimings, COUNT(SnapTimings), local_timing_data, version); if (local_superfx) { GSU.avRegAddr = (uint8 *) &GSU.avReg; UnfreezeStructFromCopy(&GSU, SnapFX, COUNT(SnapFX), local_superfx, version); } if (local_sa1) UnfreezeStructFromCopy(&SA1, SnapSA1, COUNT(SnapSA1), local_sa1, version); if (local_sa1_registers) UnfreezeStructFromCopy(&SA1Registers, SnapSA1Registers, COUNT(SnapSA1Registers), local_sa1_registers, version); if (local_dsp1) UnfreezeStructFromCopy(&DSP1, SnapDSP1, COUNT(SnapDSP1), local_dsp1, version); if (local_dsp2) UnfreezeStructFromCopy(&DSP2, SnapDSP2, COUNT(SnapDSP2), local_dsp2, version); if (local_dsp4) UnfreezeStructFromCopy(&DSP4, SnapDSP4, COUNT(SnapDSP4), local_dsp4, version); if (local_cx4_data) memcpy(Memory.C4RAM, local_cx4_data, 8192); if (local_st010) UnfreezeStructFromCopy(&ST010, SnapST010, COUNT(SnapST010), local_st010, version); if (local_obc1) UnfreezeStructFromCopy(&OBC1, SnapOBC1, COUNT(SnapOBC1), local_obc1, version); if (local_obc1_data) memcpy(Memory.OBC1RAM, local_obc1_data, 8192); if (local_spc7110) UnfreezeStructFromCopy(&s7snap, SnapSPC7110Snap, COUNT(SnapSPC7110Snap), local_spc7110, version); if (local_srtc) UnfreezeStructFromCopy(&srtcsnap, SnapSRTCSnap, COUNT(SnapSRTCSnap), local_srtc, version); if (local_rtc_data) memcpy(RTCData.reg, local_rtc_data, 20); if (local_bsx_data) UnfreezeStructFromCopy(&BSX, SnapBSX, COUNT(SnapBSX), local_bsx_data, version); if (local_msu1_data) UnfreezeStructFromCopy(&MSU1, SnapMSU1, COUNT(SnapMSU1), local_msu1_data, version); if (version < SNAPSHOT_VERSION_IRQ) { printf("Converting old snapshot version %d to %d\n...", version, SNAPSHOT_VERSION); CPU.NMIPending = (CPU.Flags & (1 << 7)) ? TRUE : FALSE; CPU.IRQLine = (CPU.Flags & (1 << 11)) ? TRUE : FALSE; CPU.IRQTransition = FALSE; CPU.IRQLastState = FALSE; CPU.IRQExternal = (Obsolete.CPU_IRQActive & ~(1 << 1)) ? TRUE : FALSE; switch (CPU.WhichEvent) { case 12: case 1: CPU.WhichEvent = 1; break; case 2: case 3: CPU.WhichEvent = 2; break; case 4: case 5: CPU.WhichEvent = 3; break; case 6: case 7: CPU.WhichEvent = 4; break; case 8: case 9: CPU.WhichEvent = 5; break; case 10: case 11: CPU.WhichEvent = 6; break; } if (local_sa1) // FIXME { SA1.Cycles = SA1.PrevCycles = 0; SA1.TimerIRQLastState = FALSE; SA1.HTimerIRQPos = Memory.FillRAM[0x2212] | (Memory.FillRAM[0x2213] << 8); SA1.VTimerIRQPos = Memory.FillRAM[0x2214] | (Memory.FillRAM[0x2215] << 8); SA1.HCounter = 0; SA1.VCounter = 0; SA1.PrevHCounter = 0; SA1.MemSpeed = ONE_CYCLE; SA1.MemSpeedx2 = ONE_CYCLE * 2; } } CPU.Flags |= old_flags & (DEBUG_MODE_FLAG | TRACE_FLAG | SINGLE_STEP_FLAG | FRAME_ADVANCE_FLAG); ICPU.ShiftedPB = Registers.PB << 16; ICPU.ShiftedDB = Registers.DB << 16; S9xSetPCBase(Registers.PBPC); S9xUnpackStatus(); if(version < SNAPSHOT_VERSION_IRQ_2018) S9xUpdateIRQPositions(false); // calculate the new trigger pos from saved PPU data S9xFixCycles(); for (int d = 0; d < 8; d++) DMA[d] = dma_snap.dma[d]; // TODO: these should already be correct since they are stored in the snapshot CPU.InDMA = CPU.InHDMA = FALSE; CPU.InDMAorHDMA = CPU.InWRAMDMAorHDMA = FALSE; CPU.HDMARanInDMA = 0; S9xFixColourBrightness(); S9xBuildDirectColourMaps(); IPPU.ColorsChanged = TRUE; IPPU.OBJChanged = TRUE; IPPU.RenderThisFrame = TRUE; GFX.InterlaceFrame = Timings.InterlaceField; GFX.DoInterlace = 0; S9xGraphicsScreenResize(); if (Settings.FastSavestates == 0) memset(GFX.Screen,0,GFX.Pitch * MAX_SNES_HEIGHT); // TODO: this seems to be a relic from 1.43 changes, completely remove if no issues in the future /*uint8 hdma_byte = Memory.FillRAM[0x420c]; S9xSetCPU(hdma_byte, 0x420c);*/ S9xControlPostLoadState(&ctl_snap); if (local_superfx) { GSU.pfPlot = fx_PlotTable[GSU.vMode]; GSU.pfRpix = fx_PlotTable[GSU.vMode + 5]; } if (local_sa1 && local_sa1_registers) { SA1.Flags |= sa1_old_flags & TRACE_FLAG; S9xSA1PostLoadState(); } if (Settings.SDD1) S9xSDD1PostLoadState(); if (local_spc7110) S9xSPC7110PostLoadState(version); if (local_srtc) S9xSRTCPostLoadState(version); if (local_bsx_data) S9xBSXPostLoadState(); if (local_msu1_data) S9xMSU1PostLoadState(); if (local_movie_data) { // restore last displayed pad_read status extern bool8 pad_read, pad_read_last; bool8 pad_read_temp = pad_read; pad_read = pad_read_last; S9xUpdateFrameCounter(-1); pad_read = pad_read_temp; } if (local_screenshot) { SnapshotScreenshotInfo *ssi = new SnapshotScreenshotInfo; UnfreezeStructFromCopy(ssi, SnapScreenshot, COUNT(SnapScreenshot), local_screenshot, version); IPPU.RenderedScreenWidth = min(ssi->Width, MAX_SNES_WIDTH); IPPU.RenderedScreenHeight = min(ssi->Height, MAX_SNES_HEIGHT); const bool8 scaleDownX = IPPU.RenderedScreenWidth < ssi->Width; const bool8 scaleDownY = IPPU.RenderedScreenHeight < ssi->Height && ssi->Height > SNES_HEIGHT_EXTENDED; GFX.DoInterlace = ssi->Interlaced; uint8 *rowpix = ssi->Data; uint16 *screen = GFX.Screen; for (int y = 0; y < IPPU.RenderedScreenHeight; y++, screen += GFX.RealPPL) { for (int x = 0; x < IPPU.RenderedScreenWidth; x++) { uint32 r, g, b; r = *(rowpix++); g = *(rowpix++); b = *(rowpix++); if (scaleDownX) { r = (r + *(rowpix++)) >> 1; g = (g + *(rowpix++)) >> 1; b = (b + *(rowpix++)) >> 1; if (x + x + 1 >= ssi->Width) break; } screen[x] = BUILD_PIXEL(r, g, b); } if (scaleDownY) { rowpix += 3 * ssi->Width; if (y + y + 1 >= ssi->Height) break; } } // black out what we might have missed for (uint32 y = IPPU.RenderedScreenHeight; y < (uint32) (MAX_SNES_HEIGHT); y++) memset(GFX.Screen + y * GFX.RealPPL, 0, GFX.RealPPL * 2); delete ssi; } } if (local_cpu) delete [] local_cpu; if (local_registers) delete [] local_registers; if (local_ppu) delete [] local_ppu; if (local_dma) delete [] local_dma; if (local_vram) delete [] local_vram; if (local_ram) delete [] local_ram; if (local_sram) delete [] local_sram; if (local_fillram) delete [] local_fillram; if (local_apu_sound) delete [] local_apu_sound; if (local_control_data) delete [] local_control_data; if (local_timing_data) delete [] local_timing_data; if (local_superfx) delete [] local_superfx; if (local_sa1) delete [] local_sa1; if (local_sa1_registers) delete [] local_sa1_registers; if (local_dsp1) delete [] local_dsp1; if (local_dsp2) delete [] local_dsp2; if (local_dsp4) delete [] local_dsp4; if (local_cx4_data) delete [] local_cx4_data; if (local_st010) delete [] local_st010; if (local_obc1) delete [] local_obc1; if (local_obc1_data) delete [] local_obc1_data; if (local_spc7110) delete [] local_spc7110; if (local_srtc) delete [] local_srtc; if (local_rtc_data) delete [] local_rtc_data; if (local_bsx_data) delete [] local_bsx_data; if (local_screenshot) delete [] local_screenshot; if (local_movie_data) delete [] local_movie_data; return (result); } // load screenshot from file, allocating memory for it int S9xUnfreezeScreenshotFromStream(STREAM stream, uint16 **image_buffer, int &width, int &height) { int result = SUCCESS; int version, len; char buffer[PATH_MAX + 1]; len = strlen(SNAPSHOT_MAGIC) + 1 + 4 + 1; if(READ_STREAM(buffer, len, stream) != (unsigned int)len) return (WRONG_FORMAT); if(strncmp(buffer, SNAPSHOT_MAGIC, strlen(SNAPSHOT_MAGIC)) != 0) return (WRONG_FORMAT); version = atoi(&buffer[strlen(SNAPSHOT_MAGIC) + 1]); if(version > SNAPSHOT_VERSION) return (WRONG_VERSION); result = UnfreezeBlock(stream, "NAM", (uint8 *)buffer, PATH_MAX); if(result != SUCCESS) return (result); uint8 *local_screenshot = NULL; // skip all blocks until screenshot SkipBlockWithName(stream, "CPU"); SkipBlockWithName(stream, "REG"); SkipBlockWithName(stream, "PPU"); SkipBlockWithName(stream, "DMA"); SkipBlockWithName(stream, "VRA"); SkipBlockWithName(stream, "RAM"); SkipBlockWithName(stream, "SRA"); SkipBlockWithName(stream, "FIL"); SkipBlockWithName(stream, "SND"); SkipBlockWithName(stream, "CTL"); SkipBlockWithName(stream, "TIM"); SkipBlockWithName(stream, "SFX"); SkipBlockWithName(stream, "SA1"); SkipBlockWithName(stream, "SAR"); SkipBlockWithName(stream, "DP1"); SkipBlockWithName(stream, "DP2"); SkipBlockWithName(stream, "DP4"); SkipBlockWithName(stream, "CX4"); SkipBlockWithName(stream, "ST0"); SkipBlockWithName(stream, "OBC"); SkipBlockWithName(stream, "OBM"); SkipBlockWithName(stream, "S71"); SkipBlockWithName(stream, "SRT"); SkipBlockWithName(stream, "CLK"); SkipBlockWithName(stream, "BSX"); SkipBlockWithName(stream, "MSU"); result = UnfreezeStructCopy(stream, "SHO", &local_screenshot, SnapScreenshot, COUNT(SnapScreenshot), version); if(result == SUCCESS && local_screenshot) { SnapshotScreenshotInfo *ssi = new SnapshotScreenshotInfo; UnfreezeStructFromCopy(ssi, SnapScreenshot, COUNT(SnapScreenshot), local_screenshot, version); width = min(ssi->Width, MAX_SNES_WIDTH); height = min(ssi->Height, MAX_SNES_HEIGHT); *image_buffer = (uint16 *)malloc(width * height * sizeof(uint16)); uint8 *rowpix = ssi->Data; uint16 *screen = (*image_buffer); for(int y = 0; y < height; y++, screen += width) { for(int x = 0; x < width; x++) { uint32 r, g, b; r = *(rowpix++); g = *(rowpix++); b = *(rowpix++); screen[x] = BUILD_PIXEL(r, g, b); } } delete ssi; } if(local_screenshot) delete[] local_screenshot; return (result); } static int FreezeSize (int size, int type) { switch (type) { case uint32_ARRAY_V: case uint32_INDIR_ARRAY_V: return (size * 4); case uint16_ARRAY_V: case uint16_INDIR_ARRAY_V: return (size * 2); default: return (size); } } static void FreezeStruct (STREAM stream, const char *name, void *base, FreezeData *fields, int num_fields) { int len = 0; int i, j; for (i = 0; i < num_fields; i++) { if (SNAPSHOT_VERSION < fields[i].debuted_in) { fprintf(stderr, "%s[%p]: field has bad debuted_in value %d, > %d.", name, (void *) fields, fields[i].debuted_in, SNAPSHOT_VERSION); continue; } if (SNAPSHOT_VERSION < fields[i].deleted_in) len += FreezeSize(fields[i].size, fields[i].type); } uint8 *block = new uint8[len]; uint8 *ptr = block; uint8 *addr; uint16 word; uint32 dword; int64 qaword; int relativeAddr; for (i = 0; i < num_fields; i++) { if (SNAPSHOT_VERSION >= fields[i].deleted_in || SNAPSHOT_VERSION < fields[i].debuted_in) continue; addr = (uint8 *) base + fields[i].offset; // determine real address of indirect-type fields // (where the structure contains a pointer to an array rather than the array itself) if (fields[i].type == uint8_INDIR_ARRAY_V || fields[i].type == uint16_INDIR_ARRAY_V || fields[i].type == uint32_INDIR_ARRAY_V) addr = (uint8 *) (*((pint *) addr)); // convert pointer-type saves from absolute to relative pointers if (fields[i].type == POINTER_V) { uint8 *pointer = (uint8 *) *((pint *) ((uint8 *) base + fields[i].offset)); uint8 *relativeTo = (uint8 *) *((pint *) ((uint8 *) base + fields[i].offset2)); relativeAddr = pointer - relativeTo; addr = (uint8 *) &relativeAddr; } switch (fields[i].type) { case INT_V: case POINTER_V: switch (fields[i].size) { case 1: *ptr++ = *(addr); break; case 2: word = *((uint16 *) (addr)); *ptr++ = (uint8) (word >> 8); *ptr++ = (uint8) word; break; case 4: dword = *((uint32 *) (addr)); *ptr++ = (uint8) (dword >> 24); *ptr++ = (uint8) (dword >> 16); *ptr++ = (uint8) (dword >> 8); *ptr++ = (uint8) dword; break; case 8: qaword = *((int64 *) (addr)); *ptr++ = (uint8) (qaword >> 56); *ptr++ = (uint8) (qaword >> 48); *ptr++ = (uint8) (qaword >> 40); *ptr++ = (uint8) (qaword >> 32); *ptr++ = (uint8) (qaword >> 24); *ptr++ = (uint8) (qaword >> 16); *ptr++ = (uint8) (qaword >> 8); *ptr++ = (uint8) qaword; break; } break; case uint8_ARRAY_V: case uint8_INDIR_ARRAY_V: memmove(ptr, addr, fields[i].size); ptr += fields[i].size; break; case uint16_ARRAY_V: case uint16_INDIR_ARRAY_V: for (j = 0; j < fields[i].size; j++) { word = *((uint16 *) (addr + j * 2)); *ptr++ = (uint8) (word >> 8); *ptr++ = (uint8) word; } break; case uint32_ARRAY_V: case uint32_INDIR_ARRAY_V: for (j = 0; j < fields[i].size; j++) { dword = *((uint32 *) (addr + j * 4)); *ptr++ = (uint8) (dword >> 24); *ptr++ = (uint8) (dword >> 16); *ptr++ = (uint8) (dword >> 8); *ptr++ = (uint8) dword; } break; } } FreezeBlock(stream, name, block, len); delete [] block; } static void FreezeBlock (STREAM stream, const char *name, uint8 *block, int size) { char buffer[20]; // check if it fits in 6 digits. (letting it go over and using strlen isn't safe) if (size <= 999999) sprintf(buffer, "%s:%06d:", name, size); else { // to make it fit, pack it in the bytes instead of as digits sprintf(buffer, "%s:------:", name); buffer[6] = (unsigned char) ((unsigned) size >> 24); buffer[7] = (unsigned char) ((unsigned) size >> 16); buffer[8] = (unsigned char) ((unsigned) size >> 8); buffer[9] = (unsigned char) ((unsigned) size >> 0); } buffer[11] = 0; WRITE_STREAM(buffer, 11, stream); WRITE_STREAM(block, size, stream); } static bool CheckBlockName(STREAM stream, const char *name, int &len) { char buffer[16]; len = 0; size_t l = READ_STREAM(buffer, 11, stream); buffer[l] = 0; REVERT_STREAM(stream, FIND_STREAM(stream) - l, 0); if (buffer[4] == '-') { len = (((unsigned char)buffer[6]) << 24) | (((unsigned char)buffer[7]) << 16) | (((unsigned char)buffer[8]) << 8) | (((unsigned char)buffer[9]) << 0); } else len = atoi(buffer + 4); if (l != 11 || strncmp(buffer, name, 3) != 0 || buffer[3] != ':') { return false; } if (len <= 0) { return false; } return true; } static void SkipBlockWithName(STREAM stream, const char *name) { int len; bool matchesName = CheckBlockName(stream, name, len); if (matchesName) { long rewind = FIND_STREAM(stream); rewind += len + 11; REVERT_STREAM(stream, rewind, 0); } } static int UnfreezeBlock (STREAM stream, const char *name, uint8 *block, int size) { char buffer[20]; int len = 0, rem = 0; long rewind = FIND_STREAM(stream); size_t l = READ_STREAM(buffer, 11, stream); buffer[l] = 0; if (l != 11 || strncmp(buffer, name, 3) != 0 || buffer[3] != ':') { err: #ifdef DEBUGGER fprintf(stdout, "absent: %s(%d); next: '%.11s'\n", name, size, buffer); #endif REVERT_STREAM(stream, FIND_STREAM(stream) - l, 0); return (WRONG_FORMAT); } if (buffer[4] == '-') { len = (((unsigned char) buffer[6]) << 24) | (((unsigned char) buffer[7]) << 16) | (((unsigned char) buffer[8]) << 8) | (((unsigned char) buffer[9]) << 0); } else len = atoi(buffer + 4); if (len <= 0) goto err; if (len > size) { rem = len - size; len = size; } if (!Settings.FastSavestates) { memset(block, 0, size); } if (READ_STREAM(block, len, stream) != (unsigned int) len) { REVERT_STREAM(stream, rewind, 0); return (WRONG_FORMAT); } if (rem) { char *junk = new char[rem]; len = READ_STREAM(junk, rem, stream); delete [] junk; if (len != rem) { REVERT_STREAM(stream, rewind, 0); return (WRONG_FORMAT); } } return (SUCCESS); } static int UnfreezeBlockCopy (STREAM stream, const char *name, uint8 **block, int size) { int result; //check name first to avoid memory allocation int blockLength; if (!CheckBlockName(stream, name, blockLength)) { return 0; } *block = new uint8[size]; result = UnfreezeBlock(stream, name, *block, size); if (result != SUCCESS) { delete [] (*block); *block = NULL; return (result); } return (SUCCESS); } static int UnfreezeStruct (STREAM stream, const char *name, void *base, FreezeData *fields, int num_fields, int version) { int result; uint8 *block = NULL; result = UnfreezeStructCopy(stream, name, &block, fields, num_fields, version); if (result != SUCCESS) { if (block != NULL) delete [] block; return (result); } UnfreezeStructFromCopy(base, fields, num_fields, block, version); delete [] block; return (SUCCESS); } static int UnfreezeStructCopy (STREAM stream, const char *name, uint8 **block, FreezeData *fields, int num_fields, int version) { int len = 0; for (int i = 0; i < num_fields; i++) { if (version >= fields[i].debuted_in && version < fields[i].deleted_in) len += FreezeSize(fields[i].size, fields[i].type); } return (UnfreezeBlockCopy(stream, name, block, len)); } static void UnfreezeStructFromCopy (void *sbase, FreezeData *fields, int num_fields, uint8 *block, int version) { uint8 *ptr = block; uint16 word; uint32 dword; int64 qaword; uint8 *addr; void *base; int relativeAddr; int i, j; for (i = 0; i < num_fields; i++) { if (version < fields[i].debuted_in || version >= fields[i].deleted_in) continue; base = (SNAPSHOT_VERSION >= fields[i].deleted_in) ? ((void *) &Obsolete) : sbase; addr = (uint8 *) base + fields[i].offset; if (fields[i].type == uint8_INDIR_ARRAY_V || fields[i].type == uint16_INDIR_ARRAY_V || fields[i].type == uint32_INDIR_ARRAY_V) addr = (uint8 *) (*((pint *) addr)); switch (fields[i].type) { case INT_V: case POINTER_V: switch (fields[i].size) { case 1: if (fields[i].offset < 0) { ptr++; break; } *(addr) = *ptr++; break; case 2: if (fields[i].offset < 0) { ptr += 2; break; } word = *ptr++ << 8; word |= *ptr++; *((uint16 *) (addr)) = word; break; case 4: if (fields[i].offset < 0) { ptr += 4; break; } dword = *ptr++ << 24; dword |= *ptr++ << 16; dword |= *ptr++ << 8; dword |= *ptr++; *((uint32 *) (addr)) = dword; break; case 8: if (fields[i].offset < 0) { ptr += 8; break; } qaword = (int64) *ptr++ << 56; qaword |= (int64) *ptr++ << 48; qaword |= (int64) *ptr++ << 40; qaword |= (int64) *ptr++ << 32; qaword |= (int64) *ptr++ << 24; qaword |= (int64) *ptr++ << 16; qaword |= (int64) *ptr++ << 8; qaword |= (int64) *ptr++; *((int64 *) (addr)) = qaword; break; default: assert(0); break; } break; case uint8_ARRAY_V: case uint8_INDIR_ARRAY_V: if (fields[i].offset >= 0) memmove(addr, ptr, fields[i].size); ptr += fields[i].size; break; case uint16_ARRAY_V: case uint16_INDIR_ARRAY_V: if (fields[i].offset < 0) { ptr += fields[i].size * 2; break; } for (j = 0; j < fields[i].size; j++) { word = *ptr++ << 8; word |= *ptr++; *((uint16 *) (addr + j * 2)) = word; } break; case uint32_ARRAY_V: case uint32_INDIR_ARRAY_V: if (fields[i].offset < 0) { ptr += fields[i].size * 4; break; } for (j = 0; j < fields[i].size; j++) { dword = *ptr++ << 24; dword |= *ptr++ << 16; dword |= *ptr++ << 8; dword |= *ptr++; *((uint32 *) (addr + j * 4)) = dword; } break; } if (fields[i].type == POINTER_V) { relativeAddr = (int) *((pint *) ((uint8 *) base + fields[i].offset)); uint8 *relativeTo = (uint8 *) *((pint *) ((uint8 *) base + fields[i].offset2)); *((pint *) (addr)) = (pint) (relativeTo + relativeAddr); } } }