/********************************************************************************** Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com), Jerremy Koot (jkoot@snes9x.com) (c) Copyright 2002 - 2004 Matthew Kendora (c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org) (c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/) (c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net) (c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca), Kris Bleakley (codeviolation@hotmail.com) (c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net), Nach (n-a-c-h@users.sourceforge.net), zones (kasumitokoduck@yahoo.com) (c) Copyright 2006 - 2007 nitsuja BS-X C emulator code (c) Copyright 2005 - 2006 Dreamer Nom, zones C4 x86 assembler and some C emulation code (c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com), Nach, zsKnight (zsknight@zsnes.com) C4 C++ code (c) Copyright 2003 - 2006 Brad Jorsch, Nach DSP-1 emulator code (c) Copyright 1998 - 2006 _Demo_, Andreas Naive (andreasnaive@gmail.com) Gary Henderson, Ivar (ivar@snes9x.com), John Weidman, Kris Bleakley, Matthew Kendora, Nach, neviksti (neviksti@hotmail.com) DSP-2 emulator code (c) Copyright 2003 John Weidman, Kris Bleakley, Lord Nightmare (lord_nightmare@users.sourceforge.net), Matthew Kendora, neviksti DSP-3 emulator code (c) Copyright 2003 - 2006 John Weidman, Kris Bleakley, Lancer, z80 gaiden DSP-4 emulator code (c) Copyright 2004 - 2006 Dreamer Nom, John Weidman, Kris Bleakley, Nach, z80 gaiden OBC1 emulator code (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com), Kris Bleakley, Ported from x86 assembler to C by sanmaiwashi SPC7110 and RTC C++ emulator code (c) Copyright 2002 Matthew Kendora with research by zsKnight, John Weidman, Dark Force S-DD1 C emulator code (c) Copyright 2003 Brad Jorsch with research by Andreas Naive, John Weidman S-RTC C emulator code (c) Copyright 2001-2006 byuu, John Weidman ST010 C++ emulator code (c) Copyright 2003 Feather, John Weidman, Kris Bleakley, Matthew Kendora Super FX x86 assembler emulator code (c) Copyright 1998 - 2003 _Demo_, pagefault, zsKnight, Super FX C emulator code (c) Copyright 1997 - 1999 Ivar, Gary Henderson, John Weidman Sound DSP emulator code is derived from SNEeSe and OpenSPC: (c) Copyright 1998 - 2003 Brad Martin (c) Copyright 1998 - 2006 Charles Bilyue' SH assembler code partly based on x86 assembler code (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) 2xSaI filter (c) Copyright 1999 - 2001 Derek Liauw Kie Fa HQ2x, HQ3x, HQ4x filters (c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com) Win32 GUI code (c) Copyright 2003 - 2006 blip, funkyass, Matthew Kendora, Nach, nitsuja Mac OS GUI code (c) Copyright 1998 - 2001 John Stiles (c) Copyright 2001 - 2007 zones Specific ports contains the works of other authors. See headers in individual files. Snes9x homepage: http://www.snes9x.com Permission to use, copy, modify and/or distribute Snes9x in both binary and source form, for non-commercial purposes, is hereby granted without fee, providing that this license information and copyright notice appear with all copies and any derived work. This software is provided 'as-is', without any express or implied warranty. In no event shall the authors be held liable for any damages arising from the use of this software or it's derivatives. Snes9x is freeware for PERSONAL USE only. Commercial users should seek permission of the copyright holders first. Commercial use includes, but is not limited to, charging money for Snes9x or software derived from Snes9x, including Snes9x or derivatives in commercial game bundles, and/or using Snes9x as a promotion for your commercial product. The copyright holders request that bug fixes and improvements to the code should be forwarded to them so everyone can benefit from the modifications in future versions. Super NES and Super Nintendo Entertainment System are trademarks of Nintendo Co., Limited and its subsidiary companies. **********************************************************************************/ #include #ifdef HAVE_STRINGS_H #include #endif #include #include #include #include #if defined(__unix) || defined(__linux) || defined(__sun) || defined(__DJGPP) #include #include #include #endif #include "snapshot.h" #ifndef NGC #include "snaporig.h" #endif #include "memmap.h" #include "snes9x.h" #include "65c816.h" #include "ppu.h" #include "cpuexec.h" #include "display.h" #include "apu.h" #include "soundux.h" #include "sa1.h" #include "bsx.h" #include "srtc.h" #include "sdd1.h" #include "spc7110.h" //#include "movie.h" #include "controls.h" #include "dsp1.h" #include "c4.h" #ifndef ZSNES_FX #include "fxinst.h" #endif #include "language.h" #ifdef NGC #include "freeze.h" #include "gccore.h" #include "menudraw.h" #endif //you would think everyone would have these //since they're so useful. #ifndef max #define max(a,b) (((a) > (b)) ? (a) : (b)) #endif #ifndef min #define min(a,b) (((a) < (b)) ? (a) : (b)) #endif extern uint8 *SRAM; #ifdef ZSNES_FX START_EXTERN_C void S9xSuperFXPreSaveState (); void S9xSuperFXPostSaveState (); void S9xSuperFXPostLoadState (); END_EXTERN_C #endif void S9xResetSaveTimer(bool8 dontsave){ static time_t t=-1; if(!dontsave && t!=-1 && time(NULL)-t>300){{ #ifndef NGC char def [PATH_MAX]; char filename [PATH_MAX]; char drive [_MAX_DRIVE]; char dir [_MAX_DIR]; char ext [_MAX_EXT]; _splitpath(Memory.ROMFilename, drive, dir, def, ext); sprintf(filename, "%s%s%s.%.*s", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, _MAX_EXT-1, "oops"); S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, "Auto-saving 'oops' savestate"); Snapshot(filename); #endif }} t=time(NULL); } bool8 S9xUnfreezeZSNES (const char *filename); typedef struct { int offset; int offset2; int size; int type; uint16 debuted_in, 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 }; static struct Obsolete { uint8 SPPU_Joypad1ButtonReadPos; uint8 SPPU_Joypad2ButtonReadPos; uint8 SPPU_Joypad3ButtonReadPos; uint8 SPPU_MouseSpeed[2]; uint8 SAPU_Flags; } Obsolete; #define COUNT(ARRAY) (sizeof (ARRAY) / sizeof (ARRAY[0])) #define SIZE_TO_ARRAY_TYPE(s) ((s)==1 ? uint8_ARRAY_V : ((s)==2 ? uint16_ARRAY_V : uint32_ARRAY_V)) #define Offset(field,structure) \ ((int) (((char *) (&(((structure)NULL)->field))) - ((char *) NULL))) #define DUMMY(f) Offset(f,struct Obsolete *) #define DELETED(f) (-1) #define OFFSET(f) Offset(f, STRUCT *) //#define ARRAY_ENTRY(save_version_introduced, field) {OFFSET(field), COUNT(((STRUCT*)NULL)->field), SIZE_TO_ARRAY_TYPE(sizeof(((STRUCT*)NULL)->field)), save_version_introduced, 9999} #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} // size=4 -> (field - relativeToField) must fit in 4 bytes #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} // size=4 -> (field - relativeToField) must fit in 4 bytes #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} // size=4 -> (field - relativeToField) must fit in 4 bytes struct SnapshotMovieInfo { uint32 MovieInputDataSize; }; #undef STRUCT #define STRUCT struct SnapshotMovieInfo #ifndef NGC static FreezeData SnapMovie [] = { INT_ENTRY(1, MovieInputDataSize), }; #endif #undef STRUCT #define STRUCT struct SCPUState static FreezeData SnapCPU [] = { INT_ENTRY(1, Flags), INT_ENTRY(1, BranchSkip), DELETED_INT_ENTRY(1,4, NMIActive,1), INT_ENTRY(1, IRQActive), INT_ENTRY(1, WaitingForInterrupt), INT_ENTRY(1, WhichEvent), INT_ENTRY(1, Cycles), INT_ENTRY(1, NextEvent), INT_ENTRY(1, V_Counter), INT_ENTRY(1, MemSpeed), INT_ENTRY(1, MemSpeedx2), INT_ENTRY(1, FastROMSpeed), // not sure if the following are necessary INT_ENTRY(3, InDMAorHDMA), INT_ENTRY(3, InWRAMDMAorHDMA), INT_ENTRY(3, PBPCAtOpcodeStart), INT_ENTRY(3, WaitAddress), INT_ENTRY(3, WaitCounter), DELETED_INT_ENTRY(3,4, AutoSaveTimer,4), DELETED_INT_ENTRY(3,4, SRAMModified,1), DELETED_INT_ENTRY(3,4, BRKTriggered,1), INT_ENTRY(3, TriedInterleavedMode2), // deprecated INT_ENTRY(4, IRQPending), // essential INT_ENTRY(4, InDMA), INT_ENTRY(4, InHDMA), INT_ENTRY(4, HDMARanInDMA), INT_ENTRY(4, PrevCycles), }; #undef STRUCT #define STRUCT struct SRegisters static FreezeData SnapRegisters [] = { INT_ENTRY(1, PB), INT_ENTRY(1, DB), INT_ENTRY(1, P.W), INT_ENTRY(1, A.W), INT_ENTRY(1, D.W), INT_ENTRY(1, S.W), INT_ENTRY(1, X.W), INT_ENTRY(1, Y.W), INT_ENTRY(1, PCw), }; #undef STRUCT #define STRUCT struct SPPU static FreezeData SnapPPU [] = { INT_ENTRY(1, BGMode), INT_ENTRY(1, BG3Priority), INT_ENTRY(1, Brightness), INT_ENTRY(1, VMA.High), INT_ENTRY(1, VMA.Increment), INT_ENTRY(1, VMA.Address), INT_ENTRY(1, VMA.Mask1), INT_ENTRY(1, VMA.FullGraphicCount), INT_ENTRY(1, VMA.Shift), INT_ENTRY(1, BG[0].SCBase), INT_ENTRY(1, BG[0].VOffset), INT_ENTRY(1, BG[0].HOffset), INT_ENTRY(1, BG[0].BGSize), INT_ENTRY(1, BG[0].NameBase), INT_ENTRY(1, BG[0].SCSize), INT_ENTRY(1, BG[1].SCBase), INT_ENTRY(1, BG[1].VOffset), INT_ENTRY(1, BG[1].HOffset), INT_ENTRY(1, BG[1].BGSize), INT_ENTRY(1, BG[1].NameBase), INT_ENTRY(1, BG[1].SCSize), INT_ENTRY(1, BG[2].SCBase), INT_ENTRY(1, BG[2].VOffset), INT_ENTRY(1, BG[2].HOffset), INT_ENTRY(1, BG[2].BGSize), INT_ENTRY(1, BG[2].NameBase), INT_ENTRY(1, BG[2].SCSize), INT_ENTRY(1, BG[3].SCBase), INT_ENTRY(1, BG[3].VOffset), INT_ENTRY(1, BG[3].HOffset), INT_ENTRY(1, BG[3].BGSize), INT_ENTRY(1, BG[3].NameBase), INT_ENTRY(1, BG[3].SCSize), INT_ENTRY(1, CGFLIP), ARRAY_ENTRY(1, CGDATA, 256, uint16_ARRAY_V), INT_ENTRY(1, FirstSprite), INT_ENTRY(3, LastSprite), #define O(N) \ INT_ENTRY(1, OBJ[N].HPos), \ INT_ENTRY(1, OBJ[N].VPos), \ INT_ENTRY(1, OBJ[N].Name), \ INT_ENTRY(1, OBJ[N].VFlip), \ INT_ENTRY(1, OBJ[N].HFlip), \ INT_ENTRY(1, OBJ[N].Priority), \ INT_ENTRY(1, OBJ[N].Palette), \ INT_ENTRY(1, 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(1, OAMPriorityRotation), INT_ENTRY(1, OAMAddr), INT_ENTRY(1, OAMFlip), INT_ENTRY(1, OAMTileAddress), INT_ENTRY(1, IRQVBeamPos), INT_ENTRY(1, IRQHBeamPos), INT_ENTRY(1, VBeamPosLatched), INT_ENTRY(1, HBeamPosLatched), INT_ENTRY(1, HBeamFlip), INT_ENTRY(1, VBeamFlip), INT_ENTRY(1, HVBeamCounterLatched), INT_ENTRY(1, MatrixA), INT_ENTRY(1, MatrixB), INT_ENTRY(1, MatrixC), INT_ENTRY(1, MatrixD), INT_ENTRY(1, CentreX), INT_ENTRY(1, CentreY), INT_ENTRY(2, M7HOFS), INT_ENTRY(2, M7VOFS), OBSOLETE_INT_ENTRY(1,2, SPPU_Joypad1ButtonReadPos), OBSOLETE_INT_ENTRY(1,2, SPPU_Joypad2ButtonReadPos), OBSOLETE_INT_ENTRY(1,2, SPPU_Joypad3ButtonReadPos), INT_ENTRY(1, CGADD), INT_ENTRY(1, FixedColourRed), INT_ENTRY(1, FixedColourGreen), INT_ENTRY(1, FixedColourBlue), INT_ENTRY(1, SavedOAMAddr), INT_ENTRY(1, ScreenHeight), INT_ENTRY(1, WRAM), DELETED_INT_ENTRY(3,3, BG_Forced,1), INT_ENTRY(1, ForcedBlanking), INT_ENTRY(3, OBJThroughMain), INT_ENTRY(3, OBJThroughSub), INT_ENTRY(1, OBJNameSelect), INT_ENTRY(1, OBJSizeSelect), INT_ENTRY(1, OBJNameBase), INT_ENTRY(3, OBJAddition), INT_ENTRY(1, OAMReadFlip), INT_ENTRY(1, VTimerEnabled), INT_ENTRY(1, HTimerEnabled), INT_ENTRY(1, HTimerPosition), INT_ENTRY(1, Mosaic), INT_ENTRY(3, MosaicStart), INT_ENTRY(1, Mode7HFlip), INT_ENTRY(1, Mode7VFlip), INT_ENTRY(1, Mode7Repeat), INT_ENTRY(1, Window1Left), INT_ENTRY(1, Window1Right), INT_ENTRY(1, Window2Left), INT_ENTRY(1, Window2Right), #define O(N) \ INT_ENTRY(3, ClipCounts[N]), \ INT_ENTRY(1, ClipWindowOverlapLogic[N]), \ INT_ENTRY(1, ClipWindow1Enable[N]), \ INT_ENTRY(1, ClipWindow2Enable[N]), \ INT_ENTRY(1, ClipWindow1Inside[N]), \ INT_ENTRY(1, ClipWindow2Inside[N]) O(0), O(1), O(2), O(3), O(4), O(5), #undef O INT_ENTRY(3, RecomputeClipWindows), INT_ENTRY(1, CGFLIPRead), INT_ENTRY(1, Need16x8Mulitply), ARRAY_ENTRY(1, BGMosaic, 4, uint8_ARRAY_V), ARRAY_ENTRY(1, OAMData, 512 + 32, uint8_ARRAY_V), INT_ENTRY(1, Need16x8Mulitply), OBSOLETE_ARRAY_ENTRY(1,2, SPPU_MouseSpeed, 2, uint8_ARRAY_V), INT_ENTRY(2, OAMWriteRegister), INT_ENTRY(2, BGnxOFSbyte), INT_ENTRY(2, M7byte), INT_ENTRY(2, OpenBus1), INT_ENTRY(2, OpenBus2), INT_ENTRY(3, GunVLatch), INT_ENTRY(3, GunHLatch), INT_ENTRY(2, VTimerPosition), }; #undef STRUCT #define STRUCT struct SDMA static FreezeData SnapDMA [] = { #define O(N) \ {OFFSET (ReverseTransfer) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "ReverseTransfer"}, \ {OFFSET (AAddressFixed) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "AAddressFixed"}, \ {OFFSET (AAddressDecrement) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "AAddressDecrement"}, \ {OFFSET (TransferMode) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "TransferMode"}, \ {OFFSET (ABank) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "ABank"}, \ {OFFSET (AAddress) + N * sizeof (struct SDMA),0, 2, INT_V, 1, 9999, "AAddress"}, \ {OFFSET (Address) + N * sizeof (struct SDMA),0, 2, INT_V, 1, 9999, "Address"}, \ {OFFSET (BAddress) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "BAddress"}, \ {DELETED (TransferBytes),0, 2, INT_V, 1, 2, "TransferBytes"}, \ {OFFSET (HDMAIndirectAddressing) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "HDMAIndirectAddressing"}, \ {OFFSET (DMACount_Or_HDMAIndirectAddress) + N * sizeof (struct SDMA),0, 2, INT_V, 1, 9999, "DMACount_Or_HDMAIndirectAddress"}, \ {OFFSET (IndirectBank) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "IndirectBank"}, \ {OFFSET (Repeat) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "Repeat"}, \ {OFFSET (LineCount) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "LineCount"}, \ {OFFSET (DoTransfer) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "DoTransfer"}, \ {OFFSET (UnknownByte) + N * sizeof (struct SDMA),0, 1, INT_V, 2, 9999, "UnknownByte"}, \ {OFFSET (UnusedBit43x0) + N * sizeof (struct SDMA),0, 1, INT_V, 2, 9999, "UnusedBit43x0"} O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7) #undef O }; #undef STRUCT #define STRUCT struct SAPU static FreezeData SnapAPU [] = { INT_ENTRY(1, OldCycles), INT_ENTRY(1, ShowROM), OBSOLETE_INT_ENTRY(1,2, SAPU_Flags), INT_ENTRY(2, Flags), INT_ENTRY(1, KeyedChannels), ARRAY_ENTRY(1, OutPorts, 4, uint8_ARRAY_V), ARRAY_ENTRY(1, DSP, 0x80, uint8_ARRAY_V), ARRAY_ENTRY(1, ExtraRAM, 64, uint8_ARRAY_V), ARRAY_ENTRY(1, Timer, 3, uint16_ARRAY_V), ARRAY_ENTRY(1, TimerTarget, 3, uint16_ARRAY_V), ARRAY_ENTRY(1, TimerEnabled, 3, uint8_ARRAY_V), ARRAY_ENTRY(1, TimerValueWritten, 3, uint8_ARRAY_V), INT_ENTRY(4, Cycles), }; #undef STRUCT #define STRUCT struct SAPURegisters static FreezeData SnapAPURegisters [] = { INT_ENTRY(1, P), INT_ENTRY(1, YA.W), INT_ENTRY(1, X), INT_ENTRY(1, S), INT_ENTRY(1, PC), }; #undef STRUCT #define STRUCT SSoundData static FreezeData SnapSoundData [] = { INT_ENTRY(1, master_volume_left), INT_ENTRY(1, master_volume_right), INT_ENTRY(1, echo_volume_left), INT_ENTRY(1, echo_volume_right), INT_ENTRY(1, echo_enable), INT_ENTRY(1, echo_feedback), INT_ENTRY(1, echo_ptr), INT_ENTRY(1, echo_buffer_size), INT_ENTRY(1, echo_write_enabled), INT_ENTRY(1, echo_channel_enable), INT_ENTRY(1, pitch_mod), ARRAY_ENTRY(1, dummy, 3, uint32_ARRAY_V), #define O(N) \ INT_ENTRY(1, channels [N].state), \ INT_ENTRY(1, channels [N].type), \ INT_ENTRY(1, channels [N].volume_left), \ INT_ENTRY(1, channels [N].volume_right), \ INT_ENTRY(1, channels [N].hertz), \ INT_ENTRY(1, channels [N].count), \ INT_ENTRY(1, channels [N].loop), \ INT_ENTRY(1, channels [N].envx), \ INT_ENTRY(1, channels [N].left_vol_level), \ INT_ENTRY(1, channels [N].right_vol_level), \ INT_ENTRY(1, channels [N].envx_target), \ INT_ENTRY(1, channels [N].env_error), \ INT_ENTRY(1, channels [N].erate), \ INT_ENTRY(1, channels [N].direction), \ INT_ENTRY(1, channels [N].attack_rate), \ INT_ENTRY(1, channels [N].decay_rate), \ INT_ENTRY(1, channels [N].sustain_rate), \ INT_ENTRY(1, channels [N].release_rate), \ INT_ENTRY(1, channels [N].sustain_level), \ INT_ENTRY(1, channels [N].sample), \ ARRAY_ENTRY(1, channels [N].decoded, 16, uint16_ARRAY_V), \ ARRAY_ENTRY(1, channels [N].previous16, 2, uint16_ARRAY_V), \ INT_ENTRY(1, channels [N].sample_number), \ INT_ENTRY(1, channels [N].last_block), \ INT_ENTRY(1, channels [N].needs_decode), \ INT_ENTRY(1, channels [N].block_pointer), \ INT_ENTRY(1, channels [N].sample_pointer), \ INT_ENTRY(1, channels [N].mode) O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7), #undef O INT_ENTRY(2, noise_rate), #define O(N) \ INT_ENTRY(2, channels [N].out_sample), \ INT_ENTRY(2, channels [N].xenvx), \ INT_ENTRY(2, channels [N].xenvx_target), \ INT_ENTRY(2, channels [N].xenv_count), \ INT_ENTRY(2, channels [N].xenv_rate), \ INT_ENTRY(2, channels [N].xattack_rate), \ INT_ENTRY(2, channels [N].xdecay_rate), \ INT_ENTRY(2, channels [N].xsustain_rate), \ INT_ENTRY(2, channels [N].xsustain_level) O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7), #undef O INT_ENTRY(4, noise_count), INT_ENTRY(4, no_filter), INT_ENTRY(4, echo_volume[0]), INT_ENTRY(4, echo_volume[1]), INT_ENTRY(4, master_volume[0]), INT_ENTRY(4, master_volume[1]), }; #undef STRUCT #define STRUCT struct SSA1Registers static FreezeData SnapSA1Registers [] = { INT_ENTRY(1, PB), INT_ENTRY(1, DB), INT_ENTRY(1, P.W), INT_ENTRY(1, A.W), INT_ENTRY(1, D.W), INT_ENTRY(1, S.W), INT_ENTRY(1, X.W), INT_ENTRY(1, Y.W), INT_ENTRY(1, PCw), }; #undef STRUCT #define STRUCT struct SSA1 static FreezeData SnapSA1 [] = { INT_ENTRY(1, Flags), INT_ENTRY(1, NMIActive), INT_ENTRY(1, IRQActive), INT_ENTRY(1, WaitingForInterrupt), INT_ENTRY(1, op1), INT_ENTRY(1, op2), INT_ENTRY(1, arithmetic_op), INT_ENTRY(1, sum), INT_ENTRY(1, overflow), // not sure if the following are necessary, but better safe than sorry INT_ENTRY(3, CPUExecuting), INT_ENTRY(3, ShiftedPB), INT_ENTRY(3, ShiftedDB), INT_ENTRY(3, Executing), INT_ENTRY(3, Waiting), INT_ENTRY(3, PBPCAtOpcodeStart), INT_ENTRY(3, WaitAddress), INT_ENTRY(3, WaitCounter), INT_ENTRY(3, VirtualBitmapFormat), INT_ENTRY(3, in_char_dma), INT_ENTRY(3, variable_bit_pos), }; #undef STRUCT #define STRUCT struct SDSP1 static FreezeData SnapDSP1 [] = { INT_ENTRY(3, version), INT_ENTRY(3, waiting4command), INT_ENTRY(3, first_parameter), INT_ENTRY(3, command), INT_ENTRY(3, in_count), INT_ENTRY(3, in_index), INT_ENTRY(3, out_count), INT_ENTRY(3, out_index), ARRAY_ENTRY(3, parameters, 512, uint8_ARRAY_V), ARRAY_ENTRY(3, output, 512, uint8_ARRAY_V), ARRAY_ENTRY(4, temp_save_data, sizeof(DSP1.temp_save_data), uint8_ARRAY_V), }; #undef STRUCT #define STRUCT struct SPC7110EmuVars static FreezeData SnapSPC7110 [] = { INT_ENTRY(1, reg4800), INT_ENTRY(1, reg4801), INT_ENTRY(1, reg4802), INT_ENTRY(1, reg4803), INT_ENTRY(1, reg4804), INT_ENTRY(1, reg4805), INT_ENTRY(1, reg4806), INT_ENTRY(1, reg4807), INT_ENTRY(1, reg4808), INT_ENTRY(1, reg4809), INT_ENTRY(1, reg480A), INT_ENTRY(1, reg480B), INT_ENTRY(1, reg480C), INT_ENTRY(1, reg4811), INT_ENTRY(1, reg4812), INT_ENTRY(1, reg4813), INT_ENTRY(1, reg4814), INT_ENTRY(1, reg4815), INT_ENTRY(1, reg4816), INT_ENTRY(1, reg4817), INT_ENTRY(1, reg4818), INT_ENTRY(1, reg4820), INT_ENTRY(1, reg4821), INT_ENTRY(1, reg4822), INT_ENTRY(1, reg4823), INT_ENTRY(1, reg4824), INT_ENTRY(1, reg4825), INT_ENTRY(1, reg4826), INT_ENTRY(1, reg4827), INT_ENTRY(1, reg4828), INT_ENTRY(1, reg4829), INT_ENTRY(1, reg482A), INT_ENTRY(1, reg482B), INT_ENTRY(1, reg482C), INT_ENTRY(1, reg482D), INT_ENTRY(1, reg482E), INT_ENTRY(1, reg482F), INT_ENTRY(1, reg4830), INT_ENTRY(1, reg4831), INT_ENTRY(1, reg4832), INT_ENTRY(1, reg4833), INT_ENTRY(1, reg4834), INT_ENTRY(1, reg4840), INT_ENTRY(1, reg4841), INT_ENTRY(1, reg4842), INT_ENTRY(1, AlignBy), INT_ENTRY(1, written), INT_ENTRY(1, offset_add), INT_ENTRY(1, DataRomOffset), INT_ENTRY(1, DataRomSize), INT_ENTRY(1, bank50Internal), ARRAY_ENTRY(1, bank50, 0x10000, uint8_ARRAY_V), }; #undef STRUCT #define STRUCT struct SPC7110RTC static FreezeData SnapS7RTC [] = { ARRAY_ENTRY(1, reg, 16, uint8_ARRAY_V), INT_ENTRY(1, index), INT_ENTRY(1, control), INT_ENTRY(1, init), INT_ENTRY(1, last_used), }; #undef STRUCT #define STRUCT struct SControlSnapshot static FreezeData SnapControls [] = { INT_ENTRY(2, ver), ARRAY_ENTRY(2, port1_read_idx, 2, uint8_ARRAY_V), ARRAY_ENTRY(2, dummy1, 4, uint8_ARRAY_V), ARRAY_ENTRY(2, port2_read_idx, 2, uint8_ARRAY_V), ARRAY_ENTRY(2, dummy2, 4, uint8_ARRAY_V), ARRAY_ENTRY(2, mouse_speed, 2, uint8_ARRAY_V), INT_ENTRY(2, justifier_select), ARRAY_ENTRY(2, dummy3, 8, uint8_ARRAY_V), INT_ENTRY(4, pad_read), INT_ENTRY(4, pad_read_last), ARRAY_ENTRY(3, internal, 60, uint8_ARRAY_V), // yes, we need to save this! }; #undef STRUCT #define STRUCT struct STimings static FreezeData SnapTimings [] = { INT_ENTRY(2, H_Max_Master), INT_ENTRY(2, H_Max), INT_ENTRY(2, V_Max_Master), INT_ENTRY(2, V_Max), INT_ENTRY(2, HBlankStart), INT_ENTRY(2, HBlankEnd), INT_ENTRY(2, HDMAInit), INT_ENTRY(2, HDMAStart), INT_ENTRY(2, NMITriggerPos), INT_ENTRY(2, WRAMRefreshPos), INT_ENTRY(2, RenderPos), INT_ENTRY(2, InterlaceField), INT_ENTRY(4, DMACPUSync), }; #undef STRUCT #define STRUCT struct SBSX static FreezeData SnapBSX [] = { INT_ENTRY(2, dirty), INT_ENTRY(2, dirty2), INT_ENTRY(2, bootup), INT_ENTRY(2, flash_enable), INT_ENTRY(2, write_enable), INT_ENTRY(2, read_enable), INT_ENTRY(2, flash_command), INT_ENTRY(2, old_write), INT_ENTRY(2, new_write), INT_ENTRY(2, out_index), ARRAY_ENTRY(2, output, 32, uint8_ARRAY_V), ARRAY_ENTRY(2, PPU, 32, uint8_ARRAY_V), ARRAY_ENTRY(2, MMC, 16, uint8_ARRAY_V), ARRAY_ENTRY(2, prevMMC, 16, uint8_ARRAY_V), ARRAY_ENTRY(2, test2192, 32, uint8_ARRAY_V), }; // deleted blocks static FreezeData SnapIPPU [] = { DELETED_ARRAY_ENTRY(3,4, Junk, 2, uint32_ARRAY_V), }; static FreezeData SnapGFX [] = { DELETED_ARRAY_ENTRY(3,4, Junk, 22+256+MAX_SNES_WIDTH*MAX_SNES_HEIGHT*2, uint8_ARRAY_V), }; #ifndef NGC struct SnapshotScreenshotInfo { uint16 Width; uint16 Height; uint8 Data [MAX_SNES_WIDTH * MAX_SNES_HEIGHT * 3]; uint8 Interlaced; }; #undef STRUCT #define STRUCT struct SnapshotScreenshotInfo static FreezeData SnapScreenshot [] = { INT_ENTRY(4, Width), INT_ENTRY(4, Height), ARRAY_ENTRY(4, Data, MAX_SNES_WIDTH * MAX_SNES_HEIGHT * 3, uint8_ARRAY_V), INT_ENTRY(4, Interlaced), // needed in case interlacing was on before loading a state where it is off }; #endif #ifndef ZSNES_FX extern struct FxRegs_s GSU; #undef STRUCT #define STRUCT struct FxRegs_s // TODO: figure out which of these are completely unnecessary. Many of them are necessary. static FreezeData SnapFX [] = { INT_ENTRY(4, vColorReg), INT_ENTRY(4, vPlotOptionReg), INT_ENTRY(4, vStatusReg), INT_ENTRY(4, vPrgBankReg), INT_ENTRY(4, vRomBankReg), INT_ENTRY(4, vRamBankReg), INT_ENTRY(4, vCacheBaseReg), INT_ENTRY(4, vCacheFlags), INT_ENTRY(4, vLastRamAdr), INT_ENTRY(4, vPipeAdr), INT_ENTRY(4, vSign), INT_ENTRY(4, vZero), INT_ENTRY(4, vCarry), INT_ENTRY(4, vOverflow), INT_ENTRY(4, vErrorCode), INT_ENTRY(4, vIllegalAddress), INT_ENTRY(4, vBreakPoint), INT_ENTRY(4, vStepPoint), INT_ENTRY(4, nRamBanks), INT_ENTRY(4, nRomBanks), INT_ENTRY(4, vMode), INT_ENTRY(4, vPrevMode), INT_ENTRY(4, vScreenHeight), INT_ENTRY(4, vScreenRealHeight), INT_ENTRY(4, vPrevScreenHeight), INT_ENTRY(4, vScreenSize), INT_ENTRY(4, vCounter), INT_ENTRY(4, vInstCount), INT_ENTRY(4, vSCBRDirty), INT_ENTRY(4, vRomBuffer), INT_ENTRY(4, vPipe), INT_ENTRY(4, bCacheActive), INT_ENTRY(4, bBreakPoint), ARRAY_ENTRY(4, avCacheBackup, 512, uint8_ARRAY_V), ARRAY_ENTRY(4, avReg, 16, uint32_ARRAY_V), ARRAY_ENTRY(4, x, 32, uint32_ARRAY_V), POINTER_ENTRY(4, pvScreenBase, pvRam), POINTER_ENTRY(4, pvPrgBank, apvRomBank), POINTER_ENTRY(4, pvDreg, avReg), POINTER_ENTRY(4, pvSreg, avReg), #define O(N) POINTER_ENTRY(4, 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 POINTER_ENTRY(4, pvRamBank, apvRamBank), POINTER_ENTRY(4, pvRomBank, apvRomBank), POINTER_ENTRY(4, pvCache, pvRegisters), POINTER_ENTRY(4, apvRamBank[0], pvRam), POINTER_ENTRY(4, apvRamBank[1], pvRam), POINTER_ENTRY(4, apvRamBank[2], pvRam), POINTER_ENTRY(4, apvRamBank[3], pvRam), // uint8 * apvRomBank[256]; // probably OK to not save it, because it only changes in FxReset // uint8 * pvRegisters; // can't save, but no need // uint8 * pvRam; // can't save, but no need // uint8 * pvRom; // can't save, but no need // void (*pfPlot)(); // can't save, so we set it after loading // void (*pfRpix)(); // can't save, so we set it after loading }; #endif static char ROMFilename [_MAX_PATH]; //static char SnapshotFilename [_MAX_PATH]; void FreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields, int num_fields); void FreezeBlock (STREAM stream, char *name, uint8 *block, int size); #ifdef NGC extern void NGCFreezeBlock (char *name, uint8 *block, int size); extern int NGCUnFreezeBlock( char *name, uint8 *block, int size ); extern int GetMem( char *buffer, int len ); #endif int UnfreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields, int num_fields, int version); int UnfreezeBlock (STREAM stream, char *name, uint8 *block, int size); int UnfreezeStructCopy (STREAM stream, char *name, uint8** block, FreezeData *fields, int num_fields, int version); void UnfreezeStructFromCopy (void *base, FreezeData *fields, int num_fields, uint8* block, int version); int UnfreezeBlockCopy (STREAM stream, char *name, uint8** block, int size); void S9xCloseSnapshotFile (FILE *stream) { fclose(stream); } bool8 Snapshot (const char *filename) { return (S9xFreezeGame (filename)); } bool8 S9xFreezeGame (const char *filename) { STREAM stream = NULL; #ifndef NGC if (S9xOpenSnapshotFile (filename, FALSE, &stream)) #endif { S9xPrepareSoundForSnapshotSave (FALSE); S9xFreezeToStream (stream); S9xCloseSnapshotFile (stream); S9xPrepareSoundForSnapshotSave (TRUE); S9xResetSaveTimer (TRUE); #ifndef NGC if(S9xMovieActive()) { const char * name = S9xBasename (filename); if(name && strlen(name) > 3) name += strlen(name) - 3; else name = filename; sprintf(String, MOVIE_INFO_SNAPSHOT " %s", name); S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String); GFX.InfoStringTimeout /= 4; } else { sprintf(String, SAVE_INFO_SNAPSHOT " %s", S9xBasename (filename)); S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String); } #endif return (TRUE); } return (FALSE); } bool8 S9xLoadSnapshot (const char *filename) { return (S9xUnfreezeGame (filename)); } bool8 S9xUnfreezeGame (const char *filename) { char def [PATH_MAX + 1 ]; char drive [_MAX_DRIVE + 1]; char dir [_MAX_DIR + 1 ]; char ext [_MAX_EXT + 1 ] ; _splitpath (filename, drive, dir, def, ext); S9xResetSaveTimer (!strcmp(ext, "oops") || !strcmp(ext, "oop")); ZeroMemory (&Obsolete, sizeof(Obsolete)); #ifndef NGC /*** As the GC never had snapshots - there won't be any original ones -;) ***/ if (S9xLoadOrigSnapshot (filename)) return (TRUE); if (S9xUnfreezeZSNES (filename)) return (TRUE); #endif STREAM snapshot = NULL; #ifndef NGC if (S9xOpenSnapshotFile (filename, TRUE, &snapshot)) #endif { int result; if ((result = S9xUnfreezeFromStream (snapshot)) != SUCCESS) { 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; default: case FILE_NOT_FOUND: sprintf (String, SAVE_ERR_ROM_NOT_FOUND, ROMFilename); S9xMessage (S9X_ERROR, S9X_ROM_NOT_FOUND, String); break; } S9xCloseSnapshotFile (snapshot); return (FALSE); } #ifndef NGC if(S9xMovieActive()) { const char * name = S9xBasename (filename); if(name && strlen(name) > 3) name += strlen(name) - 3; else name = filename; if(S9xMovieReadOnly()) sprintf(String, MOVIE_INFO_REWIND " %s", name); else sprintf(String, MOVIE_INFO_RERECORD " %s", name); S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String); GFX.InfoStringTimeout /= 4; } else { sprintf(String, SAVE_INFO_LOAD " %s", S9xBasename (filename)); S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String); } S9xCloseSnapshotFile (snapshot); #endif return (TRUE); } #ifndef NGC // failed; error message: { char name [PATH_MAX]; strcpy(name, S9xBasename (filename)); int len = strlen(name); if(len > 3 && name[len-3] == 'z' && name[len-2] == 's') name[len-3] = name[len-2] = '0'; sprintf(String, SAVE_ERR_SAVE_NOT_FOUND, name); S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String); } return (FALSE); #endif } bool diagnostic_freezing = false; //#define DIAGNOSTIC_FREEZING_SUPPORT void S9xFreezeToStream (STREAM stream) { char buffer [1024]; int i; S9xSetSoundMute (TRUE); #ifdef ZSNES_FX if (Settings.SuperFX) S9xSuperFXPreSaveState (); #endif 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, diagnostic_freezing ? 9999 : SNAPSHOT_VERSION); WRITE_STREAM (buffer, strlen (buffer), stream); sprintf (buffer, "NAM:%06d:%s%c", (int)strlen (Memory.ROMFilename) + 1, Memory.ROMFilename, 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)); FreezeStruct (stream, "DMA", DMA, SnapDMA, COUNT (SnapDMA)); // RAM and VRAM FreezeBlock (stream, "VRA", Memory.VRAM, 0x10000); FreezeBlock (stream, "RAM", Memory.RAM, 0x20000); FreezeBlock (stream, "SRA", Memory.SRAM, 0x20000); FreezeBlock (stream, "FIL", Memory.FillRAM, 0x8000); if (Settings.APUEnabled) { // APU FreezeStruct (stream, "APU", &APU, SnapAPU, COUNT (SnapAPU)); FreezeStruct (stream, "ARE", &APURegisters, SnapAPURegisters, COUNT (SnapAPURegisters)); FreezeBlock (stream, "ARA", IAPU.RAM, 0x10000); FreezeStruct (stream, "SOU", &SoundData, SnapSoundData, COUNT (SnapSoundData)); } // Controls struct SControlSnapshot ctl_snap; S9xControlPreSave(&ctl_snap); FreezeStruct (stream, "CTL", &ctl_snap, SnapControls, COUNT (SnapControls)); // Timings FreezeStruct (stream, "TIM", &Timings, SnapTimings, COUNT (SnapTimings)); // Special chips if (Settings.SA1) { S9xSA1PackStatus (); FreezeStruct (stream, "SA1", &SA1, SnapSA1, COUNT (SnapSA1)); FreezeStruct (stream, "SAR", &SA1Registers, SnapSA1Registers, COUNT (SnapSA1Registers)); } if (Settings.SPC7110) { FreezeStruct (stream, "SP7", &s7r, SnapSPC7110, COUNT (SnapSPC7110)); } if (Settings.SPC7110RTC) { FreezeStruct (stream, "RTC", &rtc_f9, SnapS7RTC, COUNT (SnapS7RTC)); } // BS if (Settings.BS) { FreezeStruct (stream, "BSX", &BSX, SnapBSX, COUNT (SnapBSX)); } #ifndef NGC 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; } } #endif // DSP1 chip if(Settings.DSP1Master) { S9xPreSaveDSP1(); FreezeStruct (stream, "DSP", &DSP1, SnapDSP1, COUNT (SnapDSP1)); } if (Settings.C4) { #ifdef ZSNES_C4 extern uint8 *C4Ram; if (C4Ram) FreezeBlock (stream, "CX4", C4Ram, 8192); #else FreezeBlock (stream, "CX4", Memory.C4RAM, 8192); #endif } #ifndef ZSNES_FX if (Settings.SuperFX) FreezeStruct (stream, "SFX", &GSU, SnapFX, COUNT (SnapFX)); #endif #ifndef NGC 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; yHeight; y++, screen+=GFX.RealPPL){ for(int x=0; xWidth; x++){ uint32 r, g, b; DECOMPOSE_PIXEL(screen[x], r, g, b); *(rowpix++) = r; // save pixel as 15-bits-in-3-bytes, for simplicity *(rowpix++) = g; *(rowpix++) = b; } } memset(rowpix, 0, sizeof(ssi->Data) + ssi->Data - rowpix); FreezeStruct (stream, "SHO", ssi, SnapScreenshot, COUNT (SnapScreenshot)); delete ssi; } #endif S9xSetSoundMute (FALSE); #ifdef ZSNES_FX if (Settings.SuperFX) S9xSuperFXPostSaveState (); #endif } bool unfreezing_from_stream = false; int S9xUnfreezeFromStream (STREAM stream) { char buffer [_MAX_PATH + 1]; char rom_filename [_MAX_PATH + 1]; int result; int version; int len = strlen (SNAPSHOT_MAGIC) + 1 + 4 + 1; #ifdef NGC GetMem(buffer, len); #else if (READ_STREAM (buffer, len, stream) != len) return (WRONG_FORMAT); #endif 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 (stream, "NAM", (uint8 *) rom_filename, _MAX_PATH)) != SUCCESS) return (result); unfreezing_from_stream = true; #ifndef NGC 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."); } #endif // ## begin load ## 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 = NULL; uint8* local_apu_registers = NULL; uint8* local_apu_ram = NULL; uint8* local_apu_sounddata = NULL; uint8* local_sa1 = NULL; uint8* local_sa1_registers = NULL; uint8* local_spc = NULL; uint8* local_spc_rtc = NULL; uint8* local_movie_data = NULL; uint8* local_control_data = NULL; uint8* local_timing_data = NULL; uint8* local_bsx_data = NULL; uint8* local_dsp1 = NULL; uint8* local_cx4_data = NULL; uint8* local_superfx = NULL; uint8* local_screenshot = NULL; uint8* local_dummy[2] = {NULL,NULL}; do { if ((result = UnfreezeStructCopy (stream, "CPU", &local_cpu, SnapCPU, COUNT (SnapCPU), version)) != SUCCESS) break; if ((result = UnfreezeStructCopy (stream, "REG", &local_registers, SnapRegisters, COUNT (SnapRegisters), version)) != SUCCESS) break; if ((result = UnfreezeStructCopy (stream, "PPU", &local_ppu, SnapPPU, COUNT (SnapPPU), version)) != SUCCESS) break; if ((result = UnfreezeStructCopy (stream, "DMA", &local_dma, SnapDMA, COUNT (SnapDMA), version)) != SUCCESS) break; if ((result = UnfreezeBlockCopy (stream, "VRA", &local_vram, 0x10000)) != SUCCESS) break; if ((result = UnfreezeBlockCopy (stream, "RAM", &local_ram, 0x20000)) != SUCCESS) break; if ((result = UnfreezeBlockCopy (stream, "SRA", &local_sram, 0x20000)) != SUCCESS) break; if ((result = UnfreezeBlockCopy (stream, "FIL", &local_fillram, 0x8000)) != SUCCESS) break; if (UnfreezeStructCopy (stream, "APU", &local_apu, SnapAPU, COUNT (SnapAPU), version) == SUCCESS) { if ((result = UnfreezeStructCopy (stream, "ARE", &local_apu_registers, SnapAPURegisters, COUNT (SnapAPURegisters), version)) != SUCCESS) break; if ((result = UnfreezeBlockCopy (stream, "ARA", &local_apu_ram, 0x10000)) != SUCCESS) break; if ((result = UnfreezeStructCopy (stream, "SOU", &local_apu_sounddata, SnapSoundData, COUNT (SnapSoundData), version)) != SUCCESS) break; } if ((result = UnfreezeStructCopy (stream, "CTL", &local_control_data, SnapControls, COUNT (SnapControls), version)) != SUCCESS && version>1) break; if ((result = UnfreezeStructCopy (stream, "TIM", &local_timing_data, SnapTimings, COUNT (SnapTimings), version)) != SUCCESS && version>1) break; if ((result = UnfreezeStructCopy (stream, "SA1", &local_sa1, SnapSA1, COUNT(SnapSA1), version)) == SUCCESS) { if ((result = UnfreezeStructCopy (stream, "SAR", &local_sa1_registers, SnapSA1Registers, COUNT (SnapSA1Registers), version)) != SUCCESS) break; } else if (Settings.SA1) break; if ((result = UnfreezeStructCopy (stream, "SP7", &local_spc, SnapSPC7110, COUNT(SnapSPC7110), version)) != SUCCESS) if (Settings.SPC7110) break; if ((result = UnfreezeStructCopy (stream, "RTC", &local_spc_rtc, SnapS7RTC, COUNT (SnapS7RTC), version)) != SUCCESS) if (Settings.SPC7110RTC) break; if ((result = UnfreezeStructCopy (stream, "BSX", &local_bsx_data, SnapBSX, COUNT (SnapBSX), version)) != SUCCESS) if (Settings.BS) break; #ifndef NGC // movie { SnapshotMovieInfo mi; if ((result = UnfreezeStruct (stream, "MOV", &mi, SnapMovie, COUNT(SnapMovie), version)) != SUCCESS) { if (S9xMovieActive ()) { result = NOT_A_MOVIE_SNAPSHOT; break; } } else { if ((result = UnfreezeBlockCopy (stream, "MID", &local_movie_data, mi.MovieInputDataSize)) != SUCCESS) { if (S9xMovieActive ()) { result = NOT_A_MOVIE_SNAPSHOT; break; } } if (S9xMovieActive ()) { result = S9xMovieUnfreeze(local_movie_data, mi.MovieInputDataSize); if(result != SUCCESS) break; } } } #endif if ((result = UnfreezeStructCopy (stream, "DSP", &local_dsp1, SnapDSP1, COUNT(SnapDSP1), version)) != SUCCESS) if(Settings.DSP1Master) break; if ((result = UnfreezeBlockCopy (stream, "CX4", &local_cx4_data, 8192)) != SUCCESS) if(Settings.C4) break; #ifndef ZSNES_FX if ((result = UnfreezeStructCopy (stream, "SFX", &local_superfx, SnapFX, COUNT(SnapFX), version)) != SUCCESS) // if (Settings.SuperFX) // break; // what if the savestate was made with ZSNES_FX on? {} #endif UnfreezeStructCopy (stream, "IPU", &local_dummy[0], SnapIPPU, COUNT(SnapIPPU), version); // obsolete UnfreezeStructCopy (stream, "GFX", &local_dummy[1], SnapGFX, COUNT(SnapGFX), version); // obsolete #ifndef NGC UnfreezeStructCopy (stream, "SHO", &local_screenshot, SnapScreenshot, COUNT(SnapScreenshot), version); #endif result=SUCCESS; } while(false); // ## end load ## if (result == SUCCESS) { uint32 old_flags = CPU.Flags; uint32 sa1_old_flags = SA1.Flags; S9xReset (); S9xSetSoundMute (TRUE); UnfreezeStructFromCopy (&CPU, SnapCPU, COUNT (SnapCPU), local_cpu, version); UnfreezeStructFromCopy (&Registers, SnapRegisters, COUNT (SnapRegisters), local_registers, version); UnfreezeStructFromCopy (&PPU, SnapPPU, COUNT (SnapPPU), local_ppu, version); UnfreezeStructFromCopy (DMA, SnapDMA, COUNT (SnapDMA), local_dma, version); memcpy (Memory.VRAM, local_vram, 0x10000); memcpy (Memory.RAM, local_ram, 0x20000); memcpy (Memory.SRAM, local_sram, 0x20000); memcpy (Memory.FillRAM, local_fillram, 0x8000); if(local_apu) { UnfreezeStructFromCopy (&APU, SnapAPU, COUNT (SnapAPU), local_apu, version); UnfreezeStructFromCopy (&APURegisters, SnapAPURegisters, COUNT (SnapAPURegisters), local_apu_registers, version); memcpy (IAPU.RAM, local_apu_ram, 0x10000); UnfreezeStructFromCopy (&SoundData, SnapSoundData, COUNT (SnapSoundData), local_apu_sounddata, version); } if(local_sa1) { UnfreezeStructFromCopy (&SA1, SnapSA1, COUNT (SnapSA1), local_sa1, version); UnfreezeStructFromCopy (&SA1Registers, SnapSA1Registers, COUNT (SnapSA1Registers), local_sa1_registers, version); } if(local_spc) { UnfreezeStructFromCopy (&s7r, SnapSPC7110, COUNT (SnapSPC7110), local_spc, version); } if(local_spc_rtc) { UnfreezeStructFromCopy (&rtc_f9, SnapS7RTC, COUNT (SnapS7RTC), local_spc_rtc, version); } struct SControlSnapshot ctl_snap; if(local_control_data) { UnfreezeStructFromCopy (&ctl_snap, SnapControls, COUNT (SnapControls), local_control_data, version); } else { // Must be an old snes9x savestate ZeroMemory(&ctl_snap, sizeof(ctl_snap)); ctl_snap.ver=0; ctl_snap.port1_read_idx[0]=Obsolete.SPPU_Joypad1ButtonReadPos; ctl_snap.port2_read_idx[0]=Obsolete.SPPU_Joypad2ButtonReadPos; ctl_snap.port2_read_idx[1]=Obsolete.SPPU_Joypad3ButtonReadPos; // Old snes9x used MouseSpeed[0] for both mice. Weird. ctl_snap.mouse_speed[0]=ctl_snap.mouse_speed[1]=Obsolete.SPPU_MouseSpeed[0]; ctl_snap.justifier_select=0; } S9xControlPostLoad(&ctl_snap); 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_timing_data) UnfreezeStructFromCopy (&Timings, SnapTimings, COUNT (SnapTimings), local_timing_data, version); else // Must be an old snes9x savestate { S9xUpdateHVTimerPosition(); } if (local_bsx_data) UnfreezeStructFromCopy (&BSX, SnapBSX, COUNT (SnapBSX), local_bsx_data, version); if(local_dsp1) { UnfreezeStructFromCopy (&DSP1, SnapDSP1, COUNT (SnapDSP1), local_dsp1, version); S9xPostLoadDSP1(); } if (local_cx4_data) { #ifdef ZSNES_C4 extern uint8 *C4Ram; if (C4Ram) memcpy(C4Ram, local_cx4_data, 8192); #else memcpy(Memory.C4RAM, local_cx4_data, 8192); #endif } #ifndef ZSNES_FX if(local_superfx) { UnfreezeStructFromCopy (&GSU, SnapFX, COUNT (SnapFX), local_superfx, version); GSU.pfPlot = fx_apfPlotTable[GSU.vMode]; GSU.pfRpix = fx_apfPlotTable[GSU.vMode + 5]; } #endif #ifndef NGC if(GFX.Screen) if(local_screenshot) { SnapshotScreenshotInfo *ssi = new SnapshotScreenshotInfo; UnfreezeStructFromCopy (ssi, SnapScreenshot, COUNT (SnapScreenshot), local_screenshot, version); IPPU.RenderedScreenWidth = min(ssi->Width, IMAGE_WIDTH); IPPU.RenderedScreenHeight = min(ssi->Height, IMAGE_HEIGHT); const bool scaleDownX = IPPU.RenderedScreenWidth < ssi->Width; const bool scaleDownY = IPPU.RenderedScreenHeight < ssi->Height && ssi->Height > SNES_HEIGHT_EXTENDED; GFX.DoInterlace = Settings.SupportHiRes ? ssi->Interlaced : 0; uint8 *rowpix=ssi->Data; uint16 *screen=GFX.Screen; for(int y=0; y>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)(IMAGE_HEIGHT); y++) memset(GFX.Screen + y * GFX.RealPPL, 0, GFX.RealPPL*2); delete ssi; } else { // couldn't load graphics, so black out the screen instead for (uint32 y = 0; y < (uint32)(IMAGE_HEIGHT); y++) memset(GFX.Screen + y * GFX.RealPPL, 0, GFX.RealPPL*2); } #endif Memory.FixROMSpeed (); CPU.Flags |= old_flags & (DEBUG_MODE_FLAG | TRACE_FLAG | SINGLE_STEP_FLAG | FRAME_ADVANCE_FLAG); IPPU.ColorsChanged = TRUE; IPPU.OBJChanged = TRUE; CPU.InDMA = CPU.InHDMA = FALSE; CPU.InDMAorHDMA = CPU.InWRAMDMAorHDMA = FALSE; CPU.HDMARanInDMA = 0; S9xFixColourBrightness (); IPPU.RenderThisFrame = TRUE; // was FALSE, but for most games it's more useful to see that frame if (local_apu) { if (APU.OldCycles != -99999999) { // Must be <= v1.5 savestate printf("Older APU Cycles found.\n"); APU.Cycles = (APU.OldCycles << SNES_APU_ACCURACY); APU.OldCycles = -99999999; } S9xSetSoundMute (FALSE); IAPU.PC = IAPU.RAM + APURegisters.PC; S9xAPUUnpackStatus (); IAPU.APUExecuting = TRUE; if (APUCheckDirectPage ()) IAPU.DirectPage = IAPU.RAM + 0x100; else IAPU.DirectPage = IAPU.RAM; Settings.APUEnabled = TRUE; } else { Settings.APUEnabled = FALSE; IAPU.APUExecuting = FALSE; S9xSetSoundMute (TRUE); } if (local_sa1) { S9xFixSA1AfterSnapshotLoad (); SA1.Flags |= sa1_old_flags & (TRACE_FLAG); } if (local_spc_rtc) { S9xUpdateRTC(); } if (local_bsx_data) S9xFixBSXAfterSnapshotLoad(); S9xFixSoundAfterSnapshotLoad (version); uint8 hdma_byte = Memory.FillRAM[0x420c]; S9xSetCPU(hdma_byte, 0x420c); if(version<2){ for(int d=0; d<8; d++){ DMA[d].UnknownByte = Memory.FillRAM[0x430b+(d<<4)]; DMA[d].UnusedBit43x0 = (Memory.FillRAM[0x4300+(d<<4)]&0x20)?1:0; } PPU.M7HOFS = PPU.BG[0].HOffset; PPU.M7VOFS = PPU.BG[0].VOffset; if(!Memory.FillRAM[0x4213]){ // most likely an old savestate Memory.FillRAM[0x4213]=Memory.FillRAM[0x4201]; if(!Memory.FillRAM[0x4213]) Memory.FillRAM[0x4213]=Memory.FillRAM[0x4201]=0xFF; } if(local_apu) APU.Flags = Obsolete.SAPU_Flags; // FIXME: assuming the old savesate was made outside S9xMainLoop(). // In this case, V=0 and HDMA was already initialized. CPU.WhichEvent = HC_HDMA_INIT_EVENT; CPU.NextEvent = Timings.HDMAInit; S9xReschedule(); } ICPU.ShiftedPB = Registers.PB << 16; ICPU.ShiftedDB = Registers.DB << 16; S9xSetPCBase (Registers.PBPC); S9xUnpackStatus (); S9xFixCycles (); // S9xReschedule (); // <-- this causes desync when recording or playing movies #ifdef ZSNES_FX if (Settings.SuperFX) S9xSuperFXPostLoadState (); #endif S9xSRTCPostLoadState (); if (Settings.SDD1) S9xSDD1PostLoadState (); IAPU.NextAPUTimerPos = (CPU.Cycles << SNES_APU_ACCURACY); IAPU.APUTimerCounter = 0; } 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) delete [] local_apu; if (local_apu_registers) delete [] local_apu_registers; if (local_apu_ram) delete [] local_apu_ram; if (local_apu_sounddata) delete [] local_apu_sounddata; if (local_sa1) delete [] local_sa1; if (local_sa1_registers) delete [] local_sa1_registers; if (local_spc) delete [] local_spc; if (local_spc_rtc) delete [] local_spc_rtc; if (local_movie_data) delete [] local_movie_data; if (local_control_data) delete [] local_control_data; if (local_timing_data) delete [] local_timing_data; if (local_bsx_data) delete [] local_bsx_data; if (local_dsp1) delete [] local_dsp1; if (local_cx4_data) delete [] local_cx4_data; if (local_superfx) delete [] local_superfx; if (local_screenshot) delete [] local_screenshot; for(int i=0; i<2; i++) if (local_dummy[i]) delete [] local_dummy[i]; unfreezing_from_stream = false; return (result); } /*****************************************************************/ int FreezeSize (int size, int type) { switch (type) { case uint16_ARRAY_V: case uint16_INDIR_ARRAY_V: return (size * 2); case uint32_ARRAY_V: case uint32_INDIR_ARRAY_V: return (size * 4); default: return (size); } } void FreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields, int num_fields) { // Work out the size of the required block int len = 0; int i; int j; for (i = 0; i < num_fields; i++) { if(fields[i].debuted_in > SNAPSHOT_VERSION) { 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) continue; if (SNAPSHOT_VERSION> 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: qword = *((int64 *) (addr)); *ptr++ = (uint8) (qword >> 56); *ptr++ = (uint8) (qword >> 48); *ptr++ = (uint8) (qword >> 40); *ptr++ = (uint8) (qword >> 32); *ptr++ = (uint8) (qword >> 24); *ptr++ = (uint8) (qword >> 16); *ptr++ = (uint8) (qword >> 8); *ptr++ = (uint8) qword; 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; } } //fprintf(stderr, "%s: Wrote %d bytes\n", name, ptr-block); #ifndef NGC FreezeBlock (stream, name, block, len); #else NGCFreezeBlock(name, block, len); #endif delete[] block; } void FreezeBlock (STREAM stream, char *name, uint8 *block, int size) { char buffer [512]; if(size <= 999999) // check if it fits in 6 digits. (letting it go over and using strlen isn't safe) 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); } #ifdef NGC void NGCFreezeStruct() { STREAM s = NULL; FreezeStruct (s,"CPU", &CPU, SnapCPU, COUNT (SnapCPU)); FreezeStruct (s,"REG", &Registers, SnapRegisters, COUNT (SnapRegisters)); FreezeStruct (s,"PPU", &PPU, SnapPPU, COUNT (SnapPPU)); FreezeStruct (s,"DMA", DMA, SnapDMA, COUNT (SnapDMA)); // RAM and VRAM NGCFreezeBlock ("VRA", Memory.VRAM, 0x10000); NGCFreezeBlock ("RAM", Memory.RAM, 0x20000); NGCFreezeBlock ("SRA", Memory.SRAM, 0x20000); NGCFreezeBlock ("FIL", Memory.FillRAM, 0x8000); if (Settings.APUEnabled) { // APU FreezeStruct (s,"APU", &APU, SnapAPU, COUNT (SnapAPU)); FreezeStruct (s,"ARE", &APURegisters, SnapAPURegisters, COUNT (SnapAPURegisters)); NGCFreezeBlock ("ARA", IAPU.RAM, 0x10000); FreezeStruct (s,"SOU", &SoundData, SnapSoundData, COUNT (SnapSoundData)); } // Controls struct SControlSnapshot ctl_snap; S9xControlPreSave(&ctl_snap); FreezeStruct (s,"CTL", &ctl_snap, SnapControls, COUNT (SnapControls)); // Timings FreezeStruct (s,"TIM", &Timings, SnapTimings, COUNT (SnapTimings)); // Special chips if (Settings.SA1) { S9xSA1PackStatus (); FreezeStruct (s,"SA1", &SA1, SnapSA1, COUNT (SnapSA1)); FreezeStruct (s,"SAR", &SA1Registers, SnapSA1Registers, COUNT (SnapSA1Registers)); } if (Settings.SPC7110) { FreezeStruct (s,"SP7", &s7r, SnapSPC7110, COUNT (SnapSPC7110)); } if (Settings.SPC7110RTC) { FreezeStruct (s,"RTC", &rtc_f9, SnapS7RTC, COUNT (SnapS7RTC)); } // BS if (Settings.BS) { FreezeStruct (s,"BSX", &BSX, SnapBSX, COUNT (SnapBSX)); } // DSP1 chip if(Settings.DSP1Master) { S9xPreSaveDSP1(); FreezeStruct (s, "DSP", &DSP1, SnapDSP1, COUNT (SnapDSP1)); } if (Settings.C4) { #ifdef ZSNES_C4 extern uint8 *C4Ram; if (C4Ram) NGCFreezeBlock ("CX4", C4Ram, 8192); #else NGCFreezeBlock ("CX4", Memory.C4RAM, 8192); #endif } #ifndef ZSNES_FX if (Settings.SuperFX) FreezeStruct (s, "SFX", &GSU, SnapFX, COUNT (SnapFX)); #endif } #endif /*****************************************************************/ int UnfreezeBlock (STREAM stream, char *name, uint8 *block, int size) { #ifndef NGC char buffer [20]; int len = 0; int 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: fprintf(stdout, "absent: %s(%d); next: '%.11s'\n", name, size, buffer); 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; } ZeroMemory (block, size); if (READ_STREAM (block, len, stream) != 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); #else return NGCUnFreezeBlock(name, block, size); #endif } int UnfreezeBlockCopy (STREAM stream, char *name, uint8** block, int size) { *block = new uint8 [size]; int result; if ((result = UnfreezeBlock (stream, name, *block, size)) != SUCCESS) { delete [] (*block); *block = NULL; return (result); } return (result); } int UnfreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields, int num_fields, int version) { uint8 *block = NULL; int result; 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; } int UnfreezeStructCopy (STREAM stream, char *name, uint8** block, FreezeData *fields, int num_fields, int version) { // Work out the size of the required block int len = 0; int i; 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; uint8 *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)); 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; } qword = (int64) *ptr++ << 56; qword |= (int64) *ptr++ << 48; qword |= (int64) *ptr++ << 40; qword |= (int64) *ptr++ << 32; qword |= (int64) *ptr++ << 24; qword |= (int64) *ptr++ << 16; qword |= (int64) *ptr++ << 8; qword |= (int64) *ptr++; *((int64 *) (addr)) = qword; 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; } // convert pointer-type saves from relative to absolute pointers if(fields[i].type == POINTER_V) { int relativeAddr = (int)*((pint*)((uint8 *) base + fields[i].offset)); uint8* relativeTo = (uint8*)*((pint*)((uint8 *) base + fields[i].offset2)); *((pint *) (addr)) = (pint)(relativeTo + relativeAddr); } } //fprintf(stderr, "%p: Unfroze %d bytes\n", fields, ptr-block); } /*****************************************************************/ extern uint8 spc_dump_dsp[0x100]; bool8 S9xSPCDump (const char *filename) { static uint8 header [] = { 'S', 'N', 'E', 'S', '-', 'S', 'P', 'C', '7', '0', '0', ' ', 'S', 'o', 'u', 'n', 'd', ' ', 'F', 'i', 'l', 'e', ' ', 'D', 'a', 't', 'a', ' ', 'v', '0', '.', '3', '0', 26, 26, 26 }; static uint8 version = { 0x1e }; FILE *fs; if (!(fs = fopen (filename, "wb"))) return (FALSE); S9xSetSoundMute (TRUE); // The SPC file format: // 0000: header: 'SNES-SPC700 Sound File Data v0.30',26,26,26 // 0036: version: $1e // 0037: SPC700 PC: // 0039: SPC700 A: // 0040: SPC700 X: // 0041: SPC700 Y: // 0042: SPC700 P: // 0043: SPC700 S: // 0044: Reserved: 0, 0, 0, 0 // 0048: Title of game: 32 bytes // 0000: Song name: 32 bytes // 0000: Name of dumper: 32 bytes // 0000: Comments: 32 bytes // 0000: Date of SPC dump: 4 bytes // 0000: Fade out time in milliseconds: 4 bytes // 0000: Fade out length in milliseconds: 2 bytes // 0000: Default channel enables: 1 bytes // 0000: Emulator used to dump .SPC files: 1 byte, 1 == ZSNES // 0000: Reserved: 36 bytes // 0256: SPC700 RAM: 64K // ----: DSP Registers: 256 bytes if (fwrite (header, sizeof (header), 1, fs) != 1 || fputc (version, fs) == EOF || fseek (fs, 37, SEEK_SET) == EOF || fputc (APURegisters.PC & 0xff, fs) == EOF || fputc (APURegisters.PC >> 8, fs) == EOF || fputc (APURegisters.YA.B.A, fs) == EOF || fputc (APURegisters.X, fs) == EOF || fputc (APURegisters.YA.B.Y, fs) == EOF || fputc (APURegisters.P, fs) == EOF || fputc (APURegisters.S, fs) == EOF || fseek (fs, 256, SEEK_SET) == EOF || fwrite (IAPU.RAM, 0x10000, 1, fs) != 1 || fwrite (spc_dump_dsp, 1, 256, fs) != 256 || fwrite (APU.ExtraRAM, 64, 1, fs) != 1 || fclose (fs) < 0) { S9xSetSoundMute (FALSE); return (FALSE); } S9xSetSoundMute (FALSE); return (TRUE); } bool8 S9xUnfreezeZSNES (const char *filename) { FILE *fs; uint8 t [4000]; if (!(fs = fopen (filename, "rb"))) return (FALSE); if (fread (t, 64, 1, fs) == 1 && strncmp ((char *) t, "ZSNES Save State File V0.6", 26) == 0) { S9xReset (); S9xSetSoundMute (TRUE); // 28 Curr cycle CPU.V_Counter = READ_WORD (&t[29]); // 33 instrset Settings.APUEnabled = t[36]; // 34 bcycpl cycles per scanline // 35 cycphb cyclers per hblank Registers.A.W = READ_WORD (&t[41]); Registers.DB = t[43]; Registers.PB = t[44]; Registers.S.W = READ_WORD (&t[45]); Registers.D.W = READ_WORD (&t[47]); Registers.X.W = READ_WORD (&t[49]); Registers.Y.W = READ_WORD (&t[51]); Registers.P.W = READ_WORD (&t[53]); Registers.PCw = READ_WORD (&t[55]); fread (t, 1, 8, fs); fread (t, 1, 3019, fs); S9xSetCPU (t[2], 0x4200); Memory.FillRAM [0x4210] = t[3]; PPU.IRQVBeamPos = READ_WORD (&t[4]); PPU.IRQHBeamPos = READ_WORD (&t[2527]); PPU.Brightness = t[6]; PPU.ForcedBlanking = t[8] >> 7; int i; for (i = 0; i < 544; i++) S9xSetPPU (t[0464 + i], 0x2104); PPU.OBJNameBase = READ_WORD (&t[9]); PPU.OBJNameSelect = READ_WORD (&t[13]) - PPU.OBJNameBase; switch (t[18]) { case 4: if (t[17] == 1) PPU.OBJSizeSelect = 0; else PPU.OBJSizeSelect = 6; break; case 16: if (t[17] == 1) PPU.OBJSizeSelect = 1; else PPU.OBJSizeSelect = 3; break; default: case 64: if (t[17] == 1) PPU.OBJSizeSelect = 2; else if (t[17] == 4) PPU.OBJSizeSelect = 4; else PPU.OBJSizeSelect = 5; break; } PPU.OAMAddr = READ_WORD (&t[25]); PPU.SavedOAMAddr = READ_WORD (&t[27]); PPU.FirstSprite = t[29]; PPU.BGMode = t[30]; PPU.BG3Priority = t[31]; PPU.BG[0].BGSize = (t[32] >> 0) & 1; PPU.BG[1].BGSize = (t[32] >> 1) & 1; PPU.BG[2].BGSize = (t[32] >> 2) & 1; PPU.BG[3].BGSize = (t[32] >> 3) & 1; PPU.Mosaic = t[33] + 1; PPU.BGMosaic [0] = (t[34] & 1) != 0; PPU.BGMosaic [1] = (t[34] & 2) != 0; PPU.BGMosaic [2] = (t[34] & 4) != 0; PPU.BGMosaic [3] = (t[34] & 8) != 0; PPU.BG [0].SCBase = READ_WORD (&t[35]) >> 1; PPU.BG [1].SCBase = READ_WORD (&t[37]) >> 1; PPU.BG [2].SCBase = READ_WORD (&t[39]) >> 1; PPU.BG [3].SCBase = READ_WORD (&t[41]) >> 1; PPU.BG [0].SCSize = t[67]; PPU.BG [1].SCSize = t[68]; PPU.BG [2].SCSize = t[69]; PPU.BG [3].SCSize = t[70]; PPU.BG[0].NameBase = READ_WORD (&t[71]) >> 1; PPU.BG[1].NameBase = READ_WORD (&t[73]) >> 1; PPU.BG[2].NameBase = READ_WORD (&t[75]) >> 1; PPU.BG[3].NameBase = READ_WORD (&t[77]) >> 1; PPU.BG[0].HOffset = READ_WORD (&t[79]); PPU.BG[1].HOffset = READ_WORD (&t[81]); PPU.BG[2].HOffset = READ_WORD (&t[83]); PPU.BG[3].HOffset = READ_WORD (&t[85]); PPU.BG[0].VOffset = READ_WORD (&t[89]); PPU.BG[1].VOffset = READ_WORD (&t[91]); PPU.BG[2].VOffset = READ_WORD (&t[93]); PPU.BG[3].VOffset = READ_WORD (&t[95]); PPU.VMA.Increment = READ_WORD (&t[97]) >> 1; PPU.VMA.High = t[99]; #ifndef CORRECT_VRAM_READS IPPU.FirstVRAMRead = t[100]; #endif S9xSetPPU (t[2512], 0x2115); PPU.VMA.Address = READ_DWORD (&t[101]); for (i = 0; i < 512; i++) S9xSetPPU (t[1488 + i], 0x2122); PPU.CGADD = (uint8) READ_WORD (&t[105]); Memory.FillRAM [0x212c] = t[108]; Memory.FillRAM [0x212d] = t[109]; PPU.ScreenHeight = READ_WORD (&t[111]); Memory.FillRAM [0x2133] = t[2526]; Memory.FillRAM [0x4202] = t[113]; Memory.FillRAM [0x4204] = t[114]; Memory.FillRAM [0x4205] = t[115]; Memory.FillRAM [0x4214] = t[116]; Memory.FillRAM [0x4215] = t[117]; Memory.FillRAM [0x4216] = t[118]; Memory.FillRAM [0x4217] = t[119]; PPU.VBeamPosLatched = READ_WORD (&t[122]); PPU.HBeamPosLatched = READ_WORD (&t[120]); PPU.Window1Left = t[127]; PPU.Window1Right = t[128]; PPU.Window2Left = t[129]; PPU.Window2Right = t[130]; S9xSetPPU (t[131] | (t[132] << 4), 0x2123); S9xSetPPU (t[133] | (t[134] << 4), 0x2124); S9xSetPPU (t[135] | (t[136] << 4), 0x2125); S9xSetPPU (t[137], 0x212a); S9xSetPPU (t[138], 0x212b); S9xSetPPU (t[139], 0x212e); S9xSetPPU (t[140], 0x212f); S9xSetPPU (t[141], 0x211a); PPU.MatrixA = READ_WORD (&t[142]); PPU.MatrixB = READ_WORD (&t[144]); PPU.MatrixC = READ_WORD (&t[146]); PPU.MatrixD = READ_WORD (&t[148]); PPU.CentreX = READ_WORD (&t[150]); PPU.CentreY = READ_WORD (&t[152]); PPU.M7HOFS = PPU.BG[0].HOffset; PPU.M7VOFS = PPU.BG[0].VOffset; // JoyAPos t[154] // JoyBPos t[155] Memory.FillRAM [0x2134] = t[156]; // Matrix mult Memory.FillRAM [0x2135] = t[157]; // Matrix mult Memory.FillRAM [0x2136] = t[158]; // Matrix mult PPU.WRAM = READ_DWORD (&t[161]); for (i = 0; i < 128; i++) S9xSetCPU (t[165 + i], 0x4300 + i); if (t[294]) CPU.IRQActive |= PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE; S9xSetCPU (t[296], 0x420c); // hdmadata t[297] + 8 * 19 PPU.FixedColourRed = t[450]; PPU.FixedColourGreen = t[451]; PPU.FixedColourBlue = t[452]; S9xSetPPU (t[454], 0x2130); S9xSetPPU (t[455], 0x2131); // vraminctype ... fread (Memory.RAM, 1, 128 * 1024, fs); fread (Memory.VRAM, 1, 64 * 1024, fs); if (Settings.APUEnabled) { // SNES SPC700 RAM (64K) fread (IAPU.RAM, 1, 64 * 1024, fs); // Junk 16 bytes fread (t, 1, 16, fs); // SNES SPC700 state and internal ZSNES SPC700 emulation state fread (t, 1, 304, fs); APURegisters.PC = READ_DWORD (&t[0]); APURegisters.YA.B.A = t[4]; APURegisters.X = t[8]; APURegisters.YA.B.Y = t[12]; APURegisters.P = t[16]; APURegisters.S = t[24]; APU.Cycles = READ_DWORD (&t[32]) << SNES_APU_ACCURACY; APU.ShowROM = (IAPU.RAM [0xf1] & 0x80) != 0; APU.OutPorts [0] = t[36]; APU.OutPorts [1] = t[37]; APU.OutPorts [2] = t[38]; APU.OutPorts [3] = t[39]; APU.TimerEnabled [0] = (t[40] & 1) != 0; APU.TimerEnabled [1] = (t[40] & 2) != 0; APU.TimerEnabled [2] = (t[40] & 4) != 0; S9xSetAPUTimer (0xfa, t[41]); S9xSetAPUTimer (0xfb, t[42]); S9xSetAPUTimer (0xfc, t[43]); APU.Timer [0] = t[44]; APU.Timer [1] = t[45]; APU.Timer [2] = t[46]; memmove (APU.ExtraRAM, &t[48], 64); // Internal ZSNES sound DSP state fread (t, 1, 1068, fs); // SNES sound DSP register values fread (t, 1, 256, fs); uint8 saved = IAPU.RAM [0xf2]; for (i = 0; i < 128; i++) { switch (i) { case APU_KON: case APU_KOFF: break; case APU_FLG: t[i] &= ~APU_SOFT_RESET; default: IAPU.RAM [0xf2] = i; S9xSetAPUDSP (t[i]); break; } } IAPU.RAM [0xf2] = APU_KON; S9xSetAPUDSP (t[APU_KON]); IAPU.RAM [0xf2] = saved; S9xSetSoundMute (FALSE); IAPU.PC = IAPU.RAM + APURegisters.PC; S9xAPUUnpackStatus (); if (APUCheckDirectPage ()) IAPU.DirectPage = IAPU.RAM + 0x100; else IAPU.DirectPage = IAPU.RAM; Settings.APUEnabled = TRUE; IAPU.APUExecuting = TRUE; } else { Settings.APUEnabled = FALSE; IAPU.APUExecuting = FALSE; S9xSetSoundMute (TRUE); } if (Settings.SuperFX) { fread (Memory.SRAM, 1, 64 * 1024, fs); fseek (fs, 64 * 1024, SEEK_CUR); fread (Memory.FillRAM + 0x7000, 1, 692, fs); } if (Settings.SA1) { fread (t, 1, 2741, fs); S9xSetSA1 (t[4], 0x2200); // Control S9xSetSA1 (t[12], 0x2203); // ResetV low S9xSetSA1 (t[13], 0x2204); // ResetV hi S9xSetSA1 (t[14], 0x2205); // NMI low S9xSetSA1 (t[15], 0x2206); // NMI hi S9xSetSA1 (t[16], 0x2207); // IRQ low S9xSetSA1 (t[17], 0x2208); // IRQ hi S9xSetSA1 (((READ_DWORD (&t[28]) - (4096*1024-0x6000))) >> 13, 0x2224); S9xSetSA1 (t[36], 0x2201); S9xSetSA1 (t[41], 0x2209); SA1Registers.A.W = READ_DWORD (&t[592]); SA1Registers.X.W = READ_DWORD (&t[596]); SA1Registers.Y.W = READ_DWORD (&t[600]); SA1Registers.D.W = READ_DWORD (&t[604]); SA1Registers.DB = t[608]; SA1Registers.PB = t[612]; SA1Registers.S.W = READ_DWORD (&t[616]); SA1Registers.PCw = READ_DWORD (&t[636]); SA1Registers.P.W = t[620] | (t[624] << 8); memmove (&Memory.FillRAM [0x3000], t + 692, 2 * 1024); fread (Memory.SRAM, 1, 64 * 1024, fs); fseek (fs, 64 * 1024, SEEK_CUR); S9xFixSA1AfterSnapshotLoad (); } if(Settings.SPC7110) { uint32 temp; fread(&s7r.bank50, 1,0x10000, fs); //NEWSYM SPCMultA, dd 0 4820-23 fread(&temp, 1, 4, fs); s7r.reg4820=temp&(0x0FF); s7r.reg4821=(temp>>8)&(0x0FF); s7r.reg4822=(temp>>16)&(0x0FF); s7r.reg4823=(temp>>24)&(0x0FF); //NEWSYM SPCMultB, dd 0 4824-5 fread(&temp, 1,4,fs); s7r.reg4824=temp&(0x0FF); s7r.reg4825=(temp>>8)&(0x0FF); //NEWSYM SPCDivEnd, dd 0 4826-7 fread(&temp, 1,4,fs); s7r.reg4826=temp&(0x0FF); s7r.reg4827=(temp>>8)&(0x0FF); //NEWSYM SPCMulRes, dd 0 4828-B fread(&temp, 1, 4, fs); s7r.reg4828=temp&(0x0FF); s7r.reg4829=(temp>>8)&(0x0FF); s7r.reg482A=(temp>>16)&(0x0FF); s7r.reg482B=(temp>>24)&(0x0FF); //NEWSYM SPCDivRes, dd 0 482C-D fread(&temp, 1,4,fs); s7r.reg482C=temp&(0x0FF); s7r.reg482D=(temp>>8)&(0x0FF); //NEWSYM SPC7110BankA, dd 020100h 4831-3 fread(&temp, 1, 4, fs); s7r.reg4831=temp&(0x0FF); s7r.reg4832=(temp>>8)&(0x0FF); s7r.reg4833=(temp>>16)&(0x0FF); //NEWSYM SPC7110RTCStat, dd 0 4840,init,command, index fread(&temp, 1, 4, fs); s7r.reg4840=temp&(0x0FF); //NEWSYM SPC7110RTC, db 00,00,00,00,00,00,01,00,01,00,00,00,00,00,0Fh,00 fread(&temp, 1, 4, fs); if(Settings.SPC7110RTC) { rtc_f9.reg[0]=temp&(0x0FF); rtc_f9.reg[1]=(temp>>8)&(0x0FF); rtc_f9.reg[2]=(temp>>16)&(0x0FF); rtc_f9.reg[3]=(temp>>24)&(0x0FF); } fread(&temp, 1, 4, fs); if(Settings.SPC7110RTC) { rtc_f9.reg[4]=temp&(0x0FF); rtc_f9.reg[5]=(temp>>8)&(0x0FF); rtc_f9.reg[6]=(temp>>16)&(0x0FF); rtc_f9.reg[7]=(temp>>24)&(0x0FF); } fread(&temp, 1, 4, fs); if(Settings.SPC7110RTC) { rtc_f9.reg[8]=temp&(0x0FF); rtc_f9.reg[9]=(temp>>8)&(0x0FF); rtc_f9.reg[10]=(temp>>16)&(0x0FF); rtc_f9.reg[11]=(temp>>24)&(0x0FF); } fread(&temp, 1, 4, fs); if(Settings.SPC7110RTC) { rtc_f9.reg[12]=temp&(0x0FF); rtc_f9.reg[13]=(temp>>8)&(0x0FF); rtc_f9.reg[14]=(temp>>16)&(0x0FF); rtc_f9.reg[15]=(temp>>24)&(0x0FF); } //NEWSYM SPC7110RTCB, db 00,00,00,00,00,00,01,00,01,00,00,00,00,01,0Fh,06 fread(&temp, 1, 4, fs); fread(&temp, 1, 4, fs); fread(&temp, 1, 4, fs); fread(&temp, 1, 4, fs); //NEWSYM SPCROMPtr, dd 0 4811-4813 fread(&temp, 1, 4, fs); s7r.reg4811=temp&(0x0FF); s7r.reg4812=(temp>>8)&(0x0FF); s7r.reg4813=(temp>>16)&(0x0FF); //NEWSYM SPCROMtoI, dd SPCROMPtr fread(&temp, 1, 4, fs); //NEWSYM SPCROMAdj, dd 0 4814-5 fread(&temp, 1, 4, fs); s7r.reg4814=temp&(0x0FF); s7r.reg4815=(temp>>8)&(0x0FF); //NEWSYM SPCROMInc, dd 0 4816-7 fread(&temp, 1, 4, fs); s7r.reg4816=temp&(0x0FF); s7r.reg4817=(temp>>8)&(0x0FF); //NEWSYM SPCROMCom, dd 0 4818 fread(&temp, 1, 4, fs); s7r.reg4818=temp&(0x0FF); //NEWSYM SPCCompPtr, dd 0 4801-4804 (+b50i) if"manual" fread(&temp, 1, 4, fs); //do table check s7r.reg4801=temp&(0x0FF); s7r.reg4802=(temp>>8)&(0x0FF); s7r.reg4803=(temp>>16)&(0x0FF); s7r.reg4804=(temp>>24)&(0x0FF); ///NEWSYM SPCDecmPtr, dd 0 4805-6 +b50i fread(&temp, 1, 4, fs); s7r.reg4805=temp&(0x0FF); s7r.reg4806=(temp>>8)&(0x0FF); //NEWSYM SPCCompCounter, dd 0 4809-A fread(&temp, 1, 4, fs); s7r.reg4809=temp&(0x0FF); s7r.reg480A=(temp>>8)&(0x0FF); //NEWSYM SPCCompCommand, dd 0 480B fread(&temp, 1, 4, fs); s7r.reg480B=temp&(0x0FF); //NEWSYM SPCCheckFix, dd 0 written(if 1, then set writtne to max value!) fread(&temp, 1, 4, fs); (temp&(0x0FF))?s7r.written=0x1F:s7r.written=0x00; //NEWSYM SPCSignedVal, dd 0 482E fread(&temp, 1, 4, fs); s7r.reg482E=temp&(0x0FF); } fclose (fs); Memory.FixROMSpeed (); IPPU.ColorsChanged = TRUE; IPPU.OBJChanged = TRUE; CPU.InDMAorHDMA = CPU.InWRAMDMAorHDMA = FALSE; S9xFixColourBrightness (); IPPU.RenderThisFrame = FALSE; S9xFixSoundAfterSnapshotLoad (1); ICPU.ShiftedPB = Registers.PB << 16; ICPU.ShiftedDB = Registers.DB << 16; S9xSetPCBase (Registers.PBPC); S9xUnpackStatus (); S9xFixCycles (); S9xReschedule (); #ifdef ZSNES_FX if (Settings.SuperFX) S9xSuperFXPostLoadState (); #endif return (TRUE); } fclose (fs); return (FALSE); }