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snes9x/snapshot.cpp

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/***********************************************************************************
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 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2018 BearOso,
OV2
(c) Copyright 2017 qwertymodo
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
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 used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
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 emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
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)
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2018 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2018 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
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 <assert.h>
#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) NULL)->field))) - ((char *) NULL)))
#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)
{
char filename[PATH_MAX + 1];
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], def[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, drive, dir, def, ext);
snprintf(filename, PATH_MAX + 1, "%s%s%s.%.*s", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, _MAX_EXT - 1, "oops");
S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, SAVE_INFO_OOPS);
S9xFreezeGame(filename);
}
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);
const char *base = S9xBasename(filename);
if (S9xMovieActive())
sprintf(String, MOVIE_INFO_SNAPSHOT " %s", base);
else
sprintf(String, SAVE_INFO_SNAPSHOT " %s", base);
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;
}
bool8 S9xUnfreezeGame (const char *filename)
{
STREAM stream = NULL;
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], def[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
const char *base = S9xBasename(filename);
_splitpath(filename, drive, dir, def, ext);
S9xResetSaveTimer(!strcmp(ext, "oops") || !strcmp(ext, "oop") || !strcmp(ext, ".oops") || !strcmp(ext, ".oop"));
if (S9xOpenSnapshotFile(filename, TRUE, &stream))
{
int result;
result = S9xUnfreezeFromStream(stream);
S9xCloseSnapshotFile(stream);
if (result != 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;
case FILE_NOT_FOUND:
default:
sprintf(String, SAVE_ERR_ROM_NOT_FOUND, base);
S9xMessage(S9X_ERROR, S9X_ROM_NOT_FOUND, String);
break;
}
return (FALSE);
}
if (S9xMovieActive())
{
if (S9xMovieReadOnly())
sprintf(String, MOVIE_INFO_REWIND " %s", base);
else
sprintf(String, MOVIE_INFO_RERECORD " %s", base);
}
else
sprintf(String, SAVE_INFO_LOAD " %s", base);
S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, String);
return (TRUE);
}
sprintf(String, SAVE_ERR_SAVE_NOT_FOUND, base);
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) 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));
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, 0x20000);
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, 0x20000);
else
result = UnfreezeBlockCopy (stream, "SRA", &local_sram, 0x20000);
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, 0x20000);
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 = SLOW_ONE_CYCLE;
SA1.MemSpeedx2 = SLOW_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, IMAGE_WIDTH);
IPPU.RenderedScreenHeight = min(ssi->Height, IMAGE_HEIGHT);
const bool8 scaleDownX = IPPU.RenderedScreenWidth < ssi->Width;
const bool8 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 < 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) (IMAGE_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);
}
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;
long rewind = FIND_STREAM(stream);
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);
}
}
}
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