/*******************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net),
funkyass (funkyass@spam.shaw.ca),
Joel Yliluoma (http://iki.fi/bisqwit/)
Kris Bleakley (codeviolation@hotmail.com),
Matthew Kendora,
Nach (n-a-c-h@users.sourceforge.net),
Peter Bortas (peter@bortas.org) and
zones (kasumitokoduck@yahoo.com)
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
_Demo_ (_demo_@zsnes.com), and Nach
C4 C++ code
(c) Copyright 2003 Brad Jorsch
DSP-1 emulator code
(c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
John Weidman, neviksti (neviksti@hotmail.com),
Kris Bleakley, Andreas Naive
DSP-2 emulator code
(c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
Lord Nightmare (lord_nightmare@users.sourceforge.net
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and
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, and Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive and John Weidman
S-RTC C emulator code
(c) Copyright 2001 John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
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 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.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes
charging money for Snes9x or software derived from Snes9x.
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 <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include <ctype.h>
#include <stdlib.h>
#if defined(__unix) || defined(__linux) || defined(__sun) || defined(__DJGPP)
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#endif
#include "snapshot.h"
#include "snaporig.h"
#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 "srtc.h"
#include "sdd1.h"
#include "spc7110.h"
#include "movie.h"
extern uint8 *SRAM;
#ifdef ZSNES_FX
START_EXTERN_C
void S9xSuperFXPreSaveState ();
void S9xSuperFXPostSaveState ();
void S9xSuperFXPostLoadState ();
END_EXTERN_C
#endif
bool8 S9xUnfreezeZSNES (const char *filename);
typedef struct {
int offset;
int size;
int type;
} FreezeData;
enum {
INT_V, uint8_ARRAY_V, uint16_ARRAY_V, uint32_ARRAY_V
};
#define Offset(field,structure) \
((int) (((char *) (&(((structure)NULL)->field))) - ((char *) NULL)))
#define COUNT(ARRAY) (sizeof (ARRAY) / sizeof (ARRAY[0]))
struct SnapshotMovieInfo
{
uint32 MovieInputDataSize;
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SnapshotMovieInfo *)
static FreezeData SnapMovie [] = {
{OFFSET (MovieInputDataSize), 4, INT_V},
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SCPUState *)
static FreezeData SnapCPU [] = {
{OFFSET (Flags), 4, INT_V},
{OFFSET (BranchSkip), 1, INT_V},
{OFFSET (NMIActive), 1, INT_V},
{OFFSET (IRQActive), 1, INT_V},
{OFFSET (WaitingForInterrupt), 1, INT_V},
{OFFSET (WhichEvent), 1, INT_V},
{OFFSET (Cycles), 4, INT_V},
{OFFSET (NextEvent), 4, INT_V},
{OFFSET (V_Counter), 4, INT_V},
{OFFSET (MemSpeed), 4, INT_V},
{OFFSET (MemSpeedx2), 4, INT_V},
{OFFSET (FastROMSpeed), 4, INT_V}
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SRegisters *)
static FreezeData SnapRegisters [] = {
{OFFSET (PB), 1, INT_V},
{OFFSET (DB), 1, INT_V},
{OFFSET (P.W), 2, INT_V},
{OFFSET (A.W), 2, INT_V},
{OFFSET (D.W), 2, INT_V},
{OFFSET (S.W), 2, INT_V},
{OFFSET (X.W), 2, INT_V},
{OFFSET (Y.W), 2, INT_V},
{OFFSET (PC), 2, INT_V}
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SPPU *)
static FreezeData SnapPPU [] = {
{OFFSET (BGMode), 1, INT_V},
{OFFSET (BG3Priority), 1, INT_V},
{OFFSET (Brightness), 1, INT_V},
{OFFSET (VMA.High), 1, INT_V},
{OFFSET (VMA.Increment), 1, INT_V},
{OFFSET (VMA.Address), 2, INT_V},
{OFFSET (VMA.Mask1), 2, INT_V},
{OFFSET (VMA.FullGraphicCount), 2, INT_V},
{OFFSET (VMA.Shift), 2, INT_V},
{OFFSET (BG[0].SCBase), 2, INT_V},
{OFFSET (BG[0].VOffset), 2, INT_V},
{OFFSET (BG[0].HOffset), 2, INT_V},
{OFFSET (BG[0].BGSize), 1, INT_V},
{OFFSET (BG[0].NameBase), 2, INT_V},
{OFFSET (BG[0].SCSize), 2, INT_V},
{OFFSET (BG[1].SCBase), 2, INT_V},
{OFFSET (BG[1].VOffset), 2, INT_V},
{OFFSET (BG[1].HOffset), 2, INT_V},
{OFFSET (BG[1].BGSize), 1, INT_V},
{OFFSET (BG[1].NameBase), 2, INT_V},
{OFFSET (BG[1].SCSize), 2, INT_V},
{OFFSET (BG[2].SCBase), 2, INT_V},
{OFFSET (BG[2].VOffset), 2, INT_V},
{OFFSET (BG[2].HOffset), 2, INT_V},
{OFFSET (BG[2].BGSize), 1, INT_V},
{OFFSET (BG[2].NameBase), 2, INT_V},
{OFFSET (BG[2].SCSize), 2, INT_V},
{OFFSET (BG[3].SCBase), 2, INT_V},
{OFFSET (BG[3].VOffset), 2, INT_V},
{OFFSET (BG[3].HOffset), 2, INT_V},
{OFFSET (BG[3].BGSize), 1, INT_V},
{OFFSET (BG[3].NameBase), 2, INT_V},
{OFFSET (BG[3].SCSize), 2, INT_V},
{OFFSET (CGFLIP), 1, INT_V},
{OFFSET (CGDATA), 256, uint16_ARRAY_V},
{OFFSET (FirstSprite), 1, INT_V},
#define O(N) \
{OFFSET (OBJ[N].HPos), 2, INT_V}, \
{OFFSET (OBJ[N].VPos), 2, INT_V}, \
{OFFSET (OBJ[N].Name), 2, INT_V}, \
{OFFSET (OBJ[N].VFlip), 1, INT_V}, \
{OFFSET (OBJ[N].HFlip), 1, INT_V}, \
{OFFSET (OBJ[N].Priority), 1, INT_V}, \
{OFFSET (OBJ[N].Palette), 1, INT_V}, \
{OFFSET (OBJ[N].Size), 1, INT_V}
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
{OFFSET (OAMPriorityRotation), 1, INT_V},
{OFFSET (OAMAddr), 2, INT_V},
{OFFSET (OAMFlip), 1, INT_V},
{OFFSET (OAMTileAddress), 2, INT_V},
{OFFSET (IRQVBeamPos), 2, INT_V},
{OFFSET (IRQHBeamPos), 2, INT_V},
{OFFSET (VBeamPosLatched), 2, INT_V},
{OFFSET (HBeamPosLatched), 2, INT_V},
{OFFSET (HBeamFlip), 1, INT_V},
{OFFSET (VBeamFlip), 1, INT_V},
{OFFSET (HVBeamCounterLatched), 1, INT_V},
{OFFSET (MatrixA), 2, INT_V},
{OFFSET (MatrixB), 2, INT_V},
{OFFSET (MatrixC), 2, INT_V},
{OFFSET (MatrixD), 2, INT_V},
{OFFSET (CentreX), 2, INT_V},
{OFFSET (CentreY), 2, INT_V},
{OFFSET (Joypad1ButtonReadPos), 1, INT_V},
{OFFSET (Joypad2ButtonReadPos), 1, INT_V},
{OFFSET (Joypad3ButtonReadPos), 1, INT_V},
{OFFSET (CGADD), 1, INT_V},
{OFFSET (FixedColourRed), 1, INT_V},
{OFFSET (FixedColourGreen), 1, INT_V},
{OFFSET (FixedColourBlue), 1, INT_V},
{OFFSET (SavedOAMAddr), 2, INT_V},
{OFFSET (ScreenHeight), 2, INT_V},
{OFFSET (WRAM), 4, INT_V},
{OFFSET (ForcedBlanking), 1, INT_V},
{OFFSET (OBJNameSelect), 2, INT_V},
{OFFSET (OBJSizeSelect), 1, INT_V},
{OFFSET (OBJNameBase), 2, INT_V},
{OFFSET (OAMReadFlip), 1, INT_V},
{OFFSET (VTimerEnabled), 1, INT_V},
{OFFSET (HTimerEnabled), 1, INT_V},
{OFFSET (HTimerPosition), 2, INT_V},
{OFFSET (Mosaic), 1, INT_V},
{OFFSET (Mode7HFlip), 1, INT_V},
{OFFSET (Mode7VFlip), 1, INT_V},
{OFFSET (Mode7Repeat), 1, INT_V},
{OFFSET (Window1Left), 1, INT_V},
{OFFSET (Window1Right), 1, INT_V},
{OFFSET (Window2Left), 1, INT_V},
{OFFSET (Window2Right), 1, INT_V},
#define O(N) \
{OFFSET (ClipWindowOverlapLogic[N]), 1, INT_V}, \
{OFFSET (ClipWindow1Enable[N]), 1, INT_V}, \
{OFFSET (ClipWindow2Enable[N]), 1, INT_V}, \
{OFFSET (ClipWindow1Inside[N]), 1, INT_V}, \
{OFFSET (ClipWindow2Inside[N]), 1, INT_V}
O(0), O(1), O(2), O(3), O(4), O(5),
#undef O
{OFFSET (CGFLIPRead), 1, INT_V},
{OFFSET (Need16x8Mulitply), 1, INT_V},
{OFFSET (BGMosaic), 4, uint8_ARRAY_V},
{OFFSET (OAMData), 512 + 32, uint8_ARRAY_V},
{OFFSET (Need16x8Mulitply), 1, INT_V},
{OFFSET (MouseSpeed), 2, uint8_ARRAY_V}
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SDMA *)
static FreezeData SnapDMA [] = {
#define O(N) \
{OFFSET (TransferDirection) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (AAddressFixed) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (AAddressDecrement) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (TransferMode) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (ABank) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (AAddress) + N * sizeof (struct SDMA), 2, INT_V}, \
{OFFSET (Address) + N * sizeof (struct SDMA), 2, INT_V}, \
{OFFSET (BAddress) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (TransferBytes) + N * sizeof (struct SDMA), 2, INT_V}, \
{OFFSET (HDMAIndirectAddressing) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (IndirectAddress) + N * sizeof (struct SDMA), 2, INT_V}, \
{OFFSET (IndirectBank) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (Repeat) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (LineCount) + N * sizeof (struct SDMA), 1, INT_V}, \
{OFFSET (FirstLine) + N * sizeof (struct SDMA), 1, INT_V}
O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7)
#undef O
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SAPU *)
static FreezeData SnapAPU [] = {
{OFFSET (Cycles), 4, INT_V},
{OFFSET (ShowROM), 1, INT_V},
{OFFSET (Flags), 1, INT_V},
{OFFSET (KeyedChannels), 1, INT_V},
{OFFSET (OutPorts), 4, uint8_ARRAY_V},
{OFFSET (DSP), 0x80, uint8_ARRAY_V},
{OFFSET (ExtraRAM), 64, uint8_ARRAY_V},
{OFFSET (Timer), 3, uint16_ARRAY_V},
{OFFSET (TimerTarget), 3, uint16_ARRAY_V},
{OFFSET (TimerEnabled), 3, uint8_ARRAY_V},
{OFFSET (TimerValueWritten), 3, uint8_ARRAY_V}
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SAPURegisters *)
static FreezeData SnapAPURegisters [] = {
{OFFSET (P), 1, INT_V},
{OFFSET (YA.W), 2, INT_V},
{OFFSET (X), 1, INT_V},
{OFFSET (S), 1, INT_V},
{OFFSET (PC), 2, INT_V},
};
#undef OFFSET
#define OFFSET(f) Offset(f,SSoundData *)
static FreezeData SnapSoundData [] = {
#ifndef FOREVER_FORWARD_STEREO
{OFFSET (master_volume_left), 2, INT_V},
{OFFSET (master_volume_right), 2, INT_V},
{OFFSET (echo_volume_left), 2, INT_V},
{OFFSET (echo_volume_right), 2, INT_V},
#else
{OFFSET (master_volume [0]), 2, INT_V},
{OFFSET (master_volume [1]), 2, INT_V},
{OFFSET (echo_volume [0]), 2, INT_V},
{OFFSET (echo_volume [1]), 2, INT_V},
#endif
{OFFSET (echo_enable), 4, INT_V},
{OFFSET (echo_feedback), 4, INT_V},
{OFFSET (echo_ptr), 4, INT_V},
{OFFSET (echo_buffer_size), 4, INT_V},
{OFFSET (echo_write_enabled), 4, INT_V},
{OFFSET (echo_channel_enable), 4, INT_V},
{OFFSET (pitch_mod), 4, INT_V},
{OFFSET (dummy), 3, uint32_ARRAY_V},
#define O(N) \
{OFFSET (channels [N].state), 4, INT_V}, \
{OFFSET (channels [N].type), 4, INT_V}, \
{OFFSET (channels [N].volume_left), 2, INT_V}, \
{OFFSET (channels [N].volume_right), 2, INT_V}, \
{OFFSET (channels [N].hertz), 4, INT_V}, \
{OFFSET (channels [N].count), 4, INT_V}, \
{OFFSET (channels [N].loop), 1, INT_V}, \
{OFFSET (channels [N].envx), 4, INT_V}, \
{OFFSET (channels [N].left_vol_level), 2, INT_V}, \
{OFFSET (channels [N].right_vol_level), 2, INT_V}, \
{OFFSET (channels [N].envx_target), 2, INT_V}, \
{OFFSET (channels [N].env_error), 4, INT_V}, \
{OFFSET (channels [N].erate), 4, INT_V}, \
{OFFSET (channels [N].direction), 4, INT_V}, \
{OFFSET (channels [N].attack_rate), 4, INT_V}, \
{OFFSET (channels [N].decay_rate), 4, INT_V}, \
{OFFSET (channels [N].sustain_rate), 4, INT_V}, \
{OFFSET (channels [N].release_rate), 4, INT_V}, \
{OFFSET (channels [N].sustain_level), 4, INT_V}, \
{OFFSET (channels [N].sample), 2, INT_V}, \
{OFFSET (channels [N].decoded), 16, uint16_ARRAY_V}, \
{OFFSET (channels [N].previous16), 2, uint16_ARRAY_V}, \
{OFFSET (channels [N].sample_number), 2, INT_V}, \
{OFFSET (channels [N].last_block), 1, INT_V}, \
{OFFSET (channels [N].needs_decode), 1, INT_V}, \
{OFFSET (channels [N].block_pointer), 4, INT_V}, \
{OFFSET (channels [N].sample_pointer), 4, INT_V}, \
{OFFSET (channels [N].mode), 4, INT_V}
O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7)
#undef O
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SSA1Registers *)
static FreezeData SnapSA1Registers [] = {
{OFFSET (PB), 1, INT_V},
{OFFSET (DB), 1, INT_V},
{OFFSET (P.W), 2, INT_V},
{OFFSET (A.W), 2, INT_V},
{OFFSET (D.W), 2, INT_V},
{OFFSET (S.W), 2, INT_V},
{OFFSET (X.W), 2, INT_V},
{OFFSET (Y.W), 2, INT_V},
{OFFSET (PC), 2, INT_V}
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SSA1 *)
static FreezeData SnapSA1 [] = {
{OFFSET (Flags), 4, INT_V},
{OFFSET (NMIActive), 1, INT_V},
{OFFSET (IRQActive), 1, INT_V},
{OFFSET (WaitingForInterrupt), 1, INT_V},
{OFFSET (op1), 2, INT_V},
{OFFSET (op2), 2, INT_V},
{OFFSET (arithmetic_op), 4, INT_V},
{OFFSET (sum), 8, INT_V},
{OFFSET (overflow), 1, INT_V}
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SPC7110EmuVars *)
static FreezeData SnapSPC7110 [] = {
{OFFSET (reg4800), 1, INT_V},
{OFFSET (reg4801), 1, INT_V},
{OFFSET (reg4802), 1, INT_V},
{OFFSET (reg4803), 1, INT_V},
{OFFSET (reg4804), 1, INT_V},
{OFFSET (reg4805), 1, INT_V},
{OFFSET (reg4806), 1, INT_V},
{OFFSET (reg4807), 1, INT_V},
{OFFSET (reg4808), 1, INT_V},
{OFFSET (reg4809), 1, INT_V},
{OFFSET (reg480A), 1, INT_V},
{OFFSET (reg480B), 1, INT_V},
{OFFSET (reg480C), 1, INT_V},
{OFFSET (reg4811), 1, INT_V},
{OFFSET (reg4812), 1, INT_V},
{OFFSET (reg4813), 1, INT_V},
{OFFSET (reg4814), 1, INT_V},
{OFFSET (reg4815), 1, INT_V},
{OFFSET (reg4816), 1, INT_V},
{OFFSET (reg4817), 1, INT_V},
{OFFSET (reg4818), 1, INT_V},
{OFFSET (reg4820), 1, INT_V},
{OFFSET (reg4821), 1, INT_V},
{OFFSET (reg4822), 1, INT_V},
{OFFSET (reg4823), 1, INT_V},
{OFFSET (reg4824), 1, INT_V},
{OFFSET (reg4825), 1, INT_V},
{OFFSET (reg4826), 1, INT_V},
{OFFSET (reg4827), 1, INT_V},
{OFFSET (reg4828), 1, INT_V},
{OFFSET (reg4829), 1, INT_V},
{OFFSET (reg482A), 1, INT_V},
{OFFSET (reg482B), 1, INT_V},
{OFFSET (reg482C), 1, INT_V},
{OFFSET (reg482D), 1, INT_V},
{OFFSET (reg482E), 1, INT_V},
{OFFSET (reg482F), 1, INT_V},
{OFFSET (reg4830), 1, INT_V},
{OFFSET (reg4831), 1, INT_V},
{OFFSET (reg4832), 1, INT_V},
{OFFSET (reg4833), 1, INT_V},
{OFFSET (reg4834), 1, INT_V},
{OFFSET (reg4840), 1, INT_V},
{OFFSET (reg4841), 1, INT_V},
{OFFSET (reg4842), 1, INT_V},
{OFFSET (AlignBy), 1, INT_V},
{OFFSET (written), 1, INT_V},
{OFFSET (offset_add), 1, INT_V},
{OFFSET (DataRomOffset), 4, INT_V},
{OFFSET (DataRomSize), 4, INT_V},
{OFFSET (bank50Internal), 4, INT_V},
{OFFSET (bank50), 0x10000, uint8_ARRAY_V}
};
#undef OFFSET
#define OFFSET(f) Offset(f,struct SPC7110RTC *)
static FreezeData SnapS7RTC [] = {
{OFFSET (reg), 16, uint8_ARRAY_V},
{OFFSET (index), 2, INT_V},
{OFFSET (control), 1, INT_V},
{OFFSET (init), 1, INT_V},
{OFFSET (last_used),4,INT_V}
};
//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);
int UnfreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields,
int num_fields);
int UnfreezeBlock (STREAM stream, char *name, uint8 *block, int size);
int UnfreezeStructCopy (STREAM stream, char *name, uint8** block, FreezeData *fields, int num_fields);
void UnfreezeStructFromCopy (void *base, FreezeData *fields, int num_fields, uint8* block);
int UnfreezeBlockCopy (STREAM stream, char *name, uint8** block, int size);
bool8 Snapshot (const char *filename)
{
return (S9xFreezeGame (filename));
}
bool8 S9xFreezeGame (const char *filename)
{
FILE* fp;
fp = fopen(filename, "w");
if(NULL == fp)
return (FALSE);
fseek(fp, 4, SEEK_SET); //Valid data offset 4 bytes
S9xFreezeToStream (fp);
fclose(fp);
#if 0 //Not support moive now
if(S9xMovieActive())
{
sprintf(String, "Movie snapshot %s", S9xBasename (filename));
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
}
else
{
sprintf(String, "Saved %s", S9xBasename (filename));
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
}
#endif
return (TRUE);
}
bool8 S9xLoadSnapshot (const char *filename)
{
return (S9xUnfreezeGame (filename));
}
bool8 S9xUnfreezeGame (const char *filename)
{
if (S9xLoadOrigSnapshot (filename))
return (TRUE);
if (S9xUnfreezeZSNES (filename))
return (TRUE);
FILE* fp;
fp = fopen(filename, "r");
if(NULL == fp)
return (FALSE);
fseek(fp, 4, SEEK_SET); //Valid data offset 4 bytes
int result;
if ((result = S9xUnfreezeFromStream (fp)) != SUCCESS)
{
#if 0
switch (result)
{
case WRONG_FORMAT:
S9xMessage (S9X_ERROR, S9X_WRONG_FORMAT,
"File not in Snes9x freeze format");
break;
case WRONG_VERSION:
S9xMessage (S9X_ERROR, S9X_WRONG_VERSION,
"Incompatable Snes9x freeze file format 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;
default:
case FILE_NOT_FOUND:
sprintf (String, "ROM image \"%s\" for freeze file not found",
ROMFilename);
S9xMessage (S9X_ERROR, S9X_ROM_NOT_FOUND, String);
break;
}
#endif
fclose(fp);
return (FALSE);
}
#if 0 //Not support movie now
if(!S9xMovieActive())
{
sprintf(String, "Loaded %s", S9xBasename (filename));
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
}
#endif
fclose(fp);
return (TRUE);
}
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, SNAPSHOT_VERSION);
WRITE_STREAM (buffer, strlen (buffer), stream);
sprintf (buffer, "NAM:%06d:%s%c", strlen (Memory.ROMFilename) + 1,
Memory.ROMFilename, 0);
WRITE_STREAM (buffer, strlen (buffer) + 1, stream);
FreezeStruct (stream, "CPU", &CPU, SnapCPU, COUNT (SnapCPU));
FreezeStruct (stream, "REG", &ICPU.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", ::SRAM, 0x20000);
FreezeBlock (stream, "FIL", Memory.FillRAM, 0x8000);
if (Settings.APUEnabled)
{
// APU
FreezeStruct (stream, "APU", &APU, SnapAPU, COUNT (SnapAPU));
FreezeStruct (stream, "ARE", &IAPU.Registers, SnapAPURegisters,
COUNT (SnapAPURegisters));
FreezeBlock (stream, "ARA", IAPU.RAM, 0x10000);
FreezeStruct (stream, "SOU", &SoundData, SnapSoundData,
COUNT (SnapSoundData));
}
if (Settings.SA1)
{
SA1.Registers.PC = SA1.PC - SA1.PCBase;
S9xSA1PackStatus ();
FreezeStruct (stream, "SA1", &SA1, SnapSA1, COUNT (SnapSA1));
FreezeStruct (stream, "SAR", &SA1.Registers, SnapSA1Registers,
COUNT (SnapSA1Registers));
}
if (Settings.SPC7110)
{
FreezeStruct (stream, "SP7", &s7r, SnapSPC7110, COUNT (SnapSPC7110));
}
if(Settings.SPC7110RTC)
{
FreezeStruct (stream, "RTC", &rtc_f9, SnapS7RTC, COUNT (SnapS7RTC));
}
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;
}
}
S9xSetSoundMute (FALSE);
#ifdef ZSNES_FX
if (Settings.SuperFX)
S9xSuperFXPostSaveState ();
#endif
}
int S9xUnfreezeFromStream (STREAM stream)
{
char buffer [_MAX_PATH + 1];
char rom_filename [_MAX_PATH + 1];
int result;
int version;
unsigned int len = strlen (SNAPSHOT_MAGIC) + 1 + 4 + 1;
if (READ_STREAM (buffer, len, stream) != len)
return (WRONG_FORMAT);
if (strncmp (buffer, SNAPSHOT_MAGIC, strlen (SNAPSHOT_MAGIC)) != 0)
return (WRONG_FORMAT);
if ((version = atoi (&buffer [strlen (SNAPSHOT_MAGIC) + 1])) > SNAPSHOT_VERSION)
return (WRONG_VERSION);
if ((result = UnfreezeBlock (stream, "NAM", (uint8 *) rom_filename, _MAX_PATH)) != SUCCESS)
return (result);
if (strcasecmp (rom_filename, Memory.ROMFilename) != 0 &&
strcasecmp (S9xBasename (rom_filename), S9xBasename (Memory.ROMFilename)) != 0)
{
S9xMessage (S9X_WARNING, S9X_FREEZE_ROM_NAME,
"Current loaded ROM image doesn't match that required by freeze-game file.");
}
// ## 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;
do
{
if ((result = UnfreezeStructCopy (stream, "CPU", &local_cpu, SnapCPU, COUNT (SnapCPU))) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "REG", &local_registers, SnapRegisters, COUNT (SnapRegisters))) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "PPU", &local_ppu, SnapPPU, COUNT (SnapPPU))) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "DMA", &local_dma, SnapDMA, COUNT (SnapDMA))) != 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)) == SUCCESS)
{
if ((result = UnfreezeStructCopy (stream, "ARE", &local_apu_registers, SnapAPURegisters, COUNT (SnapAPURegisters))) != SUCCESS)
break;
if ((result = UnfreezeBlockCopy (stream, "ARA", &local_apu_ram, 0x10000)) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "SOU", &local_apu_sounddata, SnapSoundData, COUNT (SnapSoundData))) != SUCCESS)
break;
}
if ((result = UnfreezeStructCopy (stream, "SA1", &local_sa1, SnapSA1, COUNT(SnapSA1))) == SUCCESS)
{
if ((result = UnfreezeStructCopy (stream, "SAR", &local_sa1_registers, SnapSA1Registers, COUNT (SnapSA1Registers))) != SUCCESS)
break;
}
if ((result = UnfreezeStructCopy (stream, "SP7", &local_spc, SnapSPC7110, COUNT(SnapSPC7110))) != SUCCESS)
{
if(Settings.SPC7110)
break;
}
if ((result = UnfreezeStructCopy (stream, "RTC", &local_spc_rtc, SnapS7RTC, COUNT (SnapS7RTC))) != SUCCESS)
{
if(Settings.SPC7110RTC)
break;
}
if (S9xMovieActive ())
{
SnapshotMovieInfo mi;
if ((result = UnfreezeStruct (stream, "MOV", &mi, SnapMovie, COUNT(SnapMovie))) != SUCCESS)
{
result = NOT_A_MOVIE_SNAPSHOT;
break;
}
if ((result = UnfreezeBlockCopy (stream, "MID", &local_movie_data, mi.MovieInputDataSize)) != SUCCESS)
{
result = NOT_A_MOVIE_SNAPSHOT;
break;
}
if (!S9xMovieUnfreeze(local_movie_data, mi.MovieInputDataSize))
{
result = WRONG_MOVIE_SNAPSHOT;
break;
}
}
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);
UnfreezeStructFromCopy (&ICPU.Registers, SnapRegisters, COUNT (SnapRegisters), local_registers);
UnfreezeStructFromCopy (&PPU, SnapPPU, COUNT (SnapPPU), local_ppu);
UnfreezeStructFromCopy (DMA, SnapDMA, COUNT (SnapDMA), local_dma);
memcpy (Memory.VRAM, local_vram, 0x10000);
memcpy (Memory.RAM, local_ram, 0x20000);
memcpy (::SRAM, local_sram, 0x20000);
memcpy (Memory.FillRAM, local_fillram, 0x8000);
if(local_apu)
{
UnfreezeStructFromCopy (&APU, SnapAPU, COUNT (SnapAPU), local_apu);
UnfreezeStructFromCopy (&IAPU.Registers, SnapAPURegisters, COUNT (SnapAPURegisters), local_apu_registers);
memcpy (IAPU.RAM, local_apu_ram, 0x10000);
UnfreezeStructFromCopy (&SoundData, SnapSoundData, COUNT (SnapSoundData), local_apu_sounddata);
}
if(local_sa1)
{
UnfreezeStructFromCopy (&SA1, SnapSA1, COUNT (SnapSA1), local_sa1);
UnfreezeStructFromCopy (&SA1.Registers, SnapSA1Registers, COUNT (SnapSA1Registers), local_sa1_registers);
}
if(local_spc)
{
UnfreezeStructFromCopy (&s7r, SnapSPC7110, COUNT (SnapSPC7110), local_spc);
}
if(local_spc_rtc)
{
UnfreezeStructFromCopy (&rtc_f9, SnapS7RTC, COUNT (SnapS7RTC), local_spc_rtc);
}
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 = FALSE;
S9xFixColourBrightness ();
IPPU.RenderThisFrame = FALSE;
if (local_apu)
{
S9xSetSoundMute (FALSE);
IAPU.PC = IAPU.RAM + IAPU.Registers.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 (local_sa1)
{
S9xFixSA1AfterSnapshotLoad ();
SA1.Flags |= sa1_old_flags & (TRACE_FLAG);
}
if (local_spc_rtc)
{
S9xUpdateRTC();
}
S9xFixSoundAfterSnapshotLoad ();
uint8 hdma_byte = Memory.FillRAM[0x420c];
S9xSetCPU(hdma_byte, 0x420c);
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;
}
ICPU.ShiftedPB = ICPU.Registers.PB << 16;
ICPU.ShiftedDB = ICPU.Registers.DB << 16;
S9xSetPCBase (ICPU.ShiftedPB + ICPU.Registers.PC);
S9xUnpackStatus ();
S9xFixCycles ();
// S9xReschedule (); // <-- this causes desync when recording or playing movies
#ifdef ZSNES_FX
if (Settings.SuperFX)
S9xSuperFXPostLoadState ();
#endif
S9xSRTCPostLoadState ();
if (Settings.SDD1)
S9xSDD1PostLoadState ();
}
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;
return (result);
}
int FreezeSize (int size, int type)
{
switch (type)
{
case uint16_ARRAY_V:
return (size * 2);
case uint32_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].offset + FreezeSize (fields [i].size,
fields [i].type) > len)
len = fields [i].offset + FreezeSize (fields [i].size,
fields [i].type);
}
uint8 *block = new uint8 [len];
uint8 *ptr = block;
uint16 word;
uint32 dword;
int64 qword;
// Build the block ready to be streamed out
for (i = 0; i < num_fields; i++)
{
switch (fields [i].type)
{
case INT_V:
switch (fields [i].size)
{
case 1:
*ptr++ = *((uint8 *) base + fields [i].offset);
break;
case 2:
word = *((uint16 *) ((uint8 *) base + fields [i].offset));
*ptr++ = (uint8) (word >> 8);
*ptr++ = (uint8) word;
break;
case 4:
dword = *((uint32 *) ((uint8 *) base + fields [i].offset));
*ptr++ = (uint8) (dword >> 24);
*ptr++ = (uint8) (dword >> 16);
*ptr++ = (uint8) (dword >> 8);
*ptr++ = (uint8) dword;
break;
case 8:
qword = *((int64 *) ((uint8 *) base + fields [i].offset));
*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:
// memmove converted: Different mallocs [Neb]
memcpy (ptr, (uint8 *) base + fields [i].offset, fields [i].size);
ptr += fields [i].size;
break;
case uint16_ARRAY_V:
for (j = 0; j < fields [i].size; j++)
{
word = *((uint16 *) ((uint8 *) base + fields [i].offset + j * 2));
*ptr++ = (uint8) (word >> 8);
*ptr++ = (uint8) word;
}
break;
case uint32_ARRAY_V:
for (j = 0; j < fields [i].size; j++)
{
dword = *((uint32 *) ((uint8 *) base + fields [i].offset + 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;
}
void FreezeBlock (STREAM stream, char *name, uint8 *block, int size)
{
char buffer [512];
sprintf (buffer, "%s:%06d:", name, size);
WRITE_STREAM (buffer, strlen (buffer), stream);
WRITE_STREAM ((char*)block, size, stream);
}
int UnfreezeStruct (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].offset + FreezeSize (fields [i].size,
fields [i].type) > len)
len = fields [i].offset + FreezeSize (fields [i].size,
fields [i].type);
}
uint8 *block = new uint8 [len];
uint8 *ptr = block;
uint16 word;
uint32 dword;
int64 qword;
int result;
if ((result = UnfreezeBlock (stream, name, block, len)) != SUCCESS)
{
delete block;
return (result);
}
// Unpack the block of data into a C structure
for (i = 0; i < num_fields; i++)
{
switch (fields [i].type)
{
case INT_V:
switch (fields [i].size)
{
case 1:
*((uint8 *) base + fields [i].offset) = *ptr++;
break;
case 2:
word = *ptr++ << 8;
word |= *ptr++;
*((uint16 *) ((uint8 *) base + fields [i].offset)) = word;
break;
case 4:
dword = *ptr++ << 24;
dword |= *ptr++ << 16;
dword |= *ptr++ << 8;
dword |= *ptr++;
*((uint32 *) ((uint8 *) base + fields [i].offset)) = dword;
break;
case 8:
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 *) ((uint8 *) base + fields [i].offset)) = qword;
break;
}
break;
case uint8_ARRAY_V:
// memmove converted: Different mallocs [Neb]
memcpy ((uint8 *) base + fields [i].offset, ptr, fields [i].size);
ptr += fields [i].size;
break;
case uint16_ARRAY_V:
for (j = 0; j < fields [i].size; j++)
{
word = *ptr++ << 8;
word |= *ptr++;
*((uint16 *) ((uint8 *) base + fields [i].offset + j * 2)) = word;
}
break;
case uint32_ARRAY_V:
for (j = 0; j < fields [i].size; j++)
{
dword = *ptr++ << 24;
dword |= *ptr++ << 16;
dword |= *ptr++ << 8;
dword |= *ptr++;
*((uint32 *) ((uint8 *) base + fields [i].offset + j * 4)) = dword;
}
break;
}
}
delete [] block;
return (result);
}
int UnfreezeBlock (STREAM stream, char *name, uint8 *block, int size)
{
char buffer [20];
int len = 0;
int rem = 0;
int rew_len;
if (READ_STREAM (buffer, 11, stream) != 11 ||
strncmp (buffer, name, 3) != 0 || buffer [3] != ':' ||
(len = atoi (&buffer [4])) == 0)
{
REVERT_STREAM(stream, FIND_STREAM(stream)-11, 0);
return (WRONG_FORMAT);
}
if (len > size)
{
rem = len - size;
len = size;
}
if ((rew_len=READ_STREAM ((char*)block, len, stream)) != len)
{
REVERT_STREAM(stream, FIND_STREAM(stream)-11-rew_len, 0);
return (WRONG_FORMAT);
}
if (rem)
{
char *junk = new char [rem];
READ_STREAM (junk, rem, stream);
delete [] junk;
}
return (SUCCESS);
}
int UnfreezeStructCopy (STREAM stream, char *name, uint8** block, FreezeData *fields, int num_fields)
{
// Work out the size of the required block
int len = 0;
int i;
for (i = 0; i < num_fields; i++)
{
if (fields [i].offset + FreezeSize (fields [i].size,
fields [i].type) > len)
len = fields [i].offset + FreezeSize (fields [i].size,
fields [i].type);
}
return (UnfreezeBlockCopy (stream, name, block, len));
}
void UnfreezeStructFromCopy (void *base, FreezeData *fields, int num_fields, uint8* block)
{
int i;
int j;
uint8 *ptr = block;
uint16 word;
uint32 dword;
int64 qword;
// Unpack the block of data into a C structure
for (i = 0; i < num_fields; i++)
{
switch (fields [i].type)
{
case INT_V:
switch (fields [i].size)
{
case 1:
*((uint8 *) base + fields [i].offset) = *ptr++;
break;
case 2:
word = *ptr++ << 8;
word |= *ptr++;
*((uint16 *) ((uint8 *) base + fields [i].offset)) = word;
break;
case 4:
dword = *ptr++ << 24;
dword |= *ptr++ << 16;
dword |= *ptr++ << 8;
dword |= *ptr++;
*((uint32 *) ((uint8 *) base + fields [i].offset)) = dword;
break;
case 8:
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 *) ((uint8 *) base + fields [i].offset)) = qword;
break;
}
break;
case uint8_ARRAY_V:
// memmove required: Source could point within dest [Neb]
memmove ((uint8 *) base + fields [i].offset, ptr, fields [i].size);
ptr += fields [i].size;
break;
case uint16_ARRAY_V:
for (j = 0; j < fields [i].size; j++)
{
word = *ptr++ << 8;
word |= *ptr++;
*((uint16 *) ((uint8 *) base + fields [i].offset + j * 2)) = word;
}
break;
case uint32_ARRAY_V:
for (j = 0; j < fields [i].size; j++)
{
dword = *ptr++ << 24;
dword |= *ptr++ << 16;
dword |= *ptr++ << 8;
dword |= *ptr++;
*((uint32 *) ((uint8 *) base + fields [i].offset + j * 4)) = dword;
}
break;
}
}
}
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);
}
extern uint8 spc_dump_dsp[0x100];
bool8 S9xSPCDump (const char *filename)
{
return (FALSE);
#if 0
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;
S9xSetSoundMute (TRUE);
if (!(fs = fopen (filename, "wb")))
return (FALSE);
// 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);
#endif
}
bool8 S9xUnfreezeZSNES (const char *filename)
{
FILE *fs;
uint8 t [4000];
if (!(fs = fopen (filename, "rb")))
return (FALSE);
if (fread ((char*)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
ICPU.Registers.A.W = READ_WORD (&t [41]);
ICPU.Registers.DB = t [43];
ICPU.Registers.PB = t [44];
ICPU.Registers.S.W = READ_WORD (&t [45]);
ICPU.Registers.D.W = READ_WORD (&t [47]);
ICPU.Registers.X.W = READ_WORD (&t [49]);
ICPU.Registers.Y.W = READ_WORD (&t [51]);
ICPU.Registers.P.W = READ_WORD (&t [53]);
ICPU.Registers.PC = READ_WORD (&t [55]);
fread ((char*)t, 1, 8, fs);
fread ((char*)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]);
// 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 ((char*)Memory.RAM, 1, 128 * 1024, fs);
fread ((char*)Memory.VRAM, 1, 64 * 1024, fs);
if (Settings.APUEnabled)
{
// SNES SPC700 RAM (64K)
fread ((char*)IAPU.RAM, 1, 64 * 1024, fs);
// Junk 16 bytes
fread ((char*)t, 1, 16, fs);
// SNES SPC700 state and internal ZSNES SPC700 emulation state
fread ((char*)t, 1, 304, fs);
IAPU.Registers.PC = READ_DWORD (&t [0]);
IAPU.Registers.YA.B.A = t [4];
IAPU.Registers.X = t [8];
IAPU.Registers.YA.B.Y = t [12];
IAPU.Registers.P = t [16];
IAPU.Registers.S = t [24];
APU.Cycles = READ_DWORD (&t [32]);
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 converted: Different mallocs [Neb]
memcpy (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 + IAPU.Registers.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 (::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);
SA1.Registers.A.W = READ_DWORD (&t [592]);
SA1.Registers.X.W = READ_DWORD (&t [596]);
SA1.Registers.Y.W = READ_DWORD (&t [600]);
SA1.Registers.D.W = READ_DWORD (&t [604]);
SA1.Registers.DB = t [608];
SA1.Registers.PB = t [612];
SA1.Registers.S.W = READ_DWORD (&t [616]);
SA1.Registers.PC = READ_DWORD (&t [636]);
SA1.Registers.P.W = t [620] | (t [624] << 8);
// memmove converted: Different mallocs [Neb]
// DS2 DMA notes: This code path is not used [Neb]
memcpy (&Memory.FillRAM [0x3000], t + 692, 2 * 1024);
fread (::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.InDMA = FALSE;
S9xFixColourBrightness ();
IPPU.RenderThisFrame = FALSE;
S9xFixSoundAfterSnapshotLoad ();
ICPU.ShiftedPB = ICPU.Registers.PB << 16;
ICPU.ShiftedDB = ICPU.Registers.DB << 16;
S9xSetPCBase (ICPU.ShiftedPB + ICPU.Registers.PC);
S9xUnpackStatus ();
S9xFixCycles ();
S9xReschedule ();
#ifdef ZSNES_FX
if (Settings.SuperFX)
S9xSuperFXPostLoadState ();
#endif
return (TRUE);
}
fclose (fs);
return (FALSE);
}