The-Homebrew-Cloud/snes9xgx
2
0
Fork 0
mirror of https://github.com/dborth/snes9xgx.git synced 2024-11-30 22:44:22 +01:00
Code Issues Packages Projects Releases Wiki Activity
88f0952d71
snes9xgx/source/snes9x/snapshot.cpp
dborth 57406336d5 merged new GUI to trunk
2009-03-11 17:28:37 +00:00

2726 lines
81 KiB
C++
Raw Blame History

/**********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2007 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com)
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
Kris Bleakley,
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001-2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight,
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound DSP emulator code is derived from SNEeSe and OpenSPC:
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2007 zones
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
**********************************************************************************/
#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include <ctype.h>
#include <stdlib.h>
#include <time.h>
#include <assert.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"
#ifndef NGC
#include "snaporig.h"
#endif
#include "memmap.h"
#include "snes9x.h"
#include "65c816.h"
#include "ppu.h"
#include "cpuexec.h"
#include "display.h"
#include "apu.h"
#include "soundux.h"
#include "sa1.h"
#include "bsx.h"
#include "srtc.h"
#include "sdd1.h"
#include "spc7110.h"
//#include "movie.h"
#include "controls.h"
#include "dsp1.h"
#include "c4.h"
#ifndef ZSNES_FX
#include "fxinst.h"
#endif
#include "language.h"
#ifdef NGC
#include "freeze.h"
#include "gccore.h"
#endif
//you would think everyone would have these
//since they're so useful.
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
extern uint8 *SRAM;
#ifdef ZSNES_FX
START_EXTERN_C
void S9xSuperFXPreSaveState ();
void S9xSuperFXPostSaveState ();
void S9xSuperFXPostLoadState ();
END_EXTERN_C
#endif
void S9xResetSaveTimer(bool8 dontsave){
static time_t t=-1;
if(!dontsave && t!=-1 && time(NULL)-t>300){{
#ifndef NGC
char def [PATH_MAX];
char filename [PATH_MAX];
char drive [_MAX_DRIVE];
char dir [_MAX_DIR];
char ext [_MAX_EXT];
_splitpath(Memory.ROMFilename, drive, dir, def, ext);
sprintf(filename, "%s%s%s.%.*s", S9xGetDirectory(SNAPSHOT_DIR),
SLASH_STR, def, _MAX_EXT-1, "oops");
S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, "Auto-saving 'oops' savestate");
Snapshot(filename);
#endif
}}
t=time(NULL);
}
bool8 S9xUnfreezeZSNES (const char *filename);
typedef struct {
int offset;
int offset2;
int size;
int type;
uint16 debuted_in, deleted_in;
const char* name;
} FreezeData;
enum {
INT_V, uint8_ARRAY_V, uint16_ARRAY_V, uint32_ARRAY_V, uint8_INDIR_ARRAY_V, uint16_INDIR_ARRAY_V, uint32_INDIR_ARRAY_V, POINTER_V
};
static struct Obsolete {
uint8 SPPU_Joypad1ButtonReadPos;
uint8 SPPU_Joypad2ButtonReadPos;
uint8 SPPU_Joypad3ButtonReadPos;
uint8 SPPU_MouseSpeed[2];
uint8 SAPU_Flags;
} Obsolete;
#define COUNT(ARRAY) (sizeof (ARRAY) / sizeof (ARRAY[0]))
#define SIZE_TO_ARRAY_TYPE(s) ((s)==1 ? uint8_ARRAY_V : ((s)==2 ? uint16_ARRAY_V : uint32_ARRAY_V))
#define Offset(field,structure) \
((int) (((char *) (&(((structure)NULL)->field))) - ((char *) NULL)))
#define DUMMY(f) Offset(f,struct Obsolete *)
#define DELETED(f) (-1)
#define OFFSET(f) Offset(f, STRUCT *)
//#define ARRAY_ENTRY(save_version_introduced, field) {OFFSET(field), COUNT(((STRUCT*)NULL)->field), SIZE_TO_ARRAY_TYPE(sizeof(((STRUCT*)NULL)->field)), save_version_introduced, 9999}
#define INT_ENTRY(save_version_introduced, field) {OFFSET(field),0, sizeof(((STRUCT*)NULL)->field), INT_V, save_version_introduced, 9999, #field}
#define ARRAY_ENTRY(save_version_introduced, field, count, elemType) {OFFSET(field),0, count, elemType, save_version_introduced, 9999, #field}
#define POINTER_ENTRY(save_version_introduced, field, relativeToField) {OFFSET(field),OFFSET(relativeToField), 4, POINTER_V, save_version_introduced, 9999, #field} // size=4 -> (field - relativeToField) must fit in 4 bytes
#define OBSOLETE_INT_ENTRY(save_version_introduced, save_version_removed, field) {DUMMY(field),0, sizeof(((struct Obsolete*)NULL)->field), INT_V, save_version_introduced, save_version_removed, #field}
#define OBSOLETE_ARRAY_ENTRY(save_version_introduced, save_version_removed, field, count, elemType) {DUMMY(field),0, count, elemType, save_version_introduced, save_version_removed, #field}
#define OBSOLETE_POINTER_ENTRY(save_version_introduced, save_version_removed, field, relativeToField) {DUMMY(field),DUMMY(relativeToField), 4, POINTER_V, save_version_introduced, save_version_removed, #field} // size=4 -> (field - relativeToField) must fit in 4 bytes
#define DELETED_INT_ENTRY(save_version_introduced, save_version_removed, field, size) {DELETED(field),0, size, INT_V, save_version_introduced, save_version_removed, #field}
#define DELETED_ARRAY_ENTRY(save_version_introduced, save_version_removed, field, count, elemType) {DELETED(field),0, count, elemType, save_version_introduced, save_version_removed, #field}
#define DELETED_POINTER_ENTRY(save_version_introduced, save_version_removed, field, relativeToField) {DELETED(field),DELETED(relativeToField), 4, POINTER_V, save_version_introduced, save_version_removed, #field} // size=4 -> (field - relativeToField) must fit in 4 bytes
struct SnapshotMovieInfo
{
uint32 MovieInputDataSize;
};
#undef STRUCT
#define STRUCT struct SnapshotMovieInfo
#ifndef NGC
static FreezeData SnapMovie [] = {
INT_ENTRY(1, MovieInputDataSize),
};
#endif
#undef STRUCT
#define STRUCT struct SCPUState
static FreezeData SnapCPU [] = {
INT_ENTRY(1, Flags),
INT_ENTRY(1, BranchSkip),
DELETED_INT_ENTRY(1,4, NMIActive,1),
INT_ENTRY(1, IRQActive),
INT_ENTRY(1, WaitingForInterrupt),
INT_ENTRY(1, WhichEvent),
INT_ENTRY(1, Cycles),
INT_ENTRY(1, NextEvent),
INT_ENTRY(1, V_Counter),
INT_ENTRY(1, MemSpeed),
INT_ENTRY(1, MemSpeedx2),
INT_ENTRY(1, FastROMSpeed),
// not sure if the following are necessary
INT_ENTRY(3, InDMAorHDMA),
INT_ENTRY(3, InWRAMDMAorHDMA),
INT_ENTRY(3, PBPCAtOpcodeStart),
INT_ENTRY(3, WaitAddress),
INT_ENTRY(3, WaitCounter),
DELETED_INT_ENTRY(3,4, AutoSaveTimer,4),
DELETED_INT_ENTRY(3,4, SRAMModified,1),
DELETED_INT_ENTRY(3,4, BRKTriggered,1),
INT_ENTRY(3, TriedInterleavedMode2), // deprecated
INT_ENTRY(4, IRQPending), // essential
INT_ENTRY(4, InDMA),
INT_ENTRY(4, InHDMA),
INT_ENTRY(4, HDMARanInDMA),
INT_ENTRY(4, PrevCycles),
};
#undef STRUCT
#define STRUCT struct SRegisters
static FreezeData SnapRegisters [] = {
INT_ENTRY(1, PB),
INT_ENTRY(1, DB),
INT_ENTRY(1, P.W),
INT_ENTRY(1, A.W),
INT_ENTRY(1, D.W),
INT_ENTRY(1, S.W),
INT_ENTRY(1, X.W),
INT_ENTRY(1, Y.W),
INT_ENTRY(1, PCw),
};
#undef STRUCT
#define STRUCT struct SPPU
static FreezeData SnapPPU [] = {
INT_ENTRY(1, BGMode),
INT_ENTRY(1, BG3Priority),
INT_ENTRY(1, Brightness),
INT_ENTRY(1, VMA.High),
INT_ENTRY(1, VMA.Increment),
INT_ENTRY(1, VMA.Address),
INT_ENTRY(1, VMA.Mask1),
INT_ENTRY(1, VMA.FullGraphicCount),
INT_ENTRY(1, VMA.Shift),
INT_ENTRY(1, BG[0].SCBase),
INT_ENTRY(1, BG[0].VOffset),
INT_ENTRY(1, BG[0].HOffset),
INT_ENTRY(1, BG[0].BGSize),
INT_ENTRY(1, BG[0].NameBase),
INT_ENTRY(1, BG[0].SCSize),
INT_ENTRY(1, BG[1].SCBase),
INT_ENTRY(1, BG[1].VOffset),
INT_ENTRY(1, BG[1].HOffset),
INT_ENTRY(1, BG[1].BGSize),
INT_ENTRY(1, BG[1].NameBase),
INT_ENTRY(1, BG[1].SCSize),
INT_ENTRY(1, BG[2].SCBase),
INT_ENTRY(1, BG[2].VOffset),
INT_ENTRY(1, BG[2].HOffset),
INT_ENTRY(1, BG[2].BGSize),
INT_ENTRY(1, BG[2].NameBase),
INT_ENTRY(1, BG[2].SCSize),
INT_ENTRY(1, BG[3].SCBase),
INT_ENTRY(1, BG[3].VOffset),
INT_ENTRY(1, BG[3].HOffset),
INT_ENTRY(1, BG[3].BGSize),
INT_ENTRY(1, BG[3].NameBase),
INT_ENTRY(1, BG[3].SCSize),
INT_ENTRY(1, CGFLIP),
ARRAY_ENTRY(1, CGDATA, 256, uint16_ARRAY_V),
INT_ENTRY(1, FirstSprite),
INT_ENTRY(3, LastSprite),
#define O(N) \
INT_ENTRY(1, OBJ[N].HPos), \
INT_ENTRY(1, OBJ[N].VPos), \
INT_ENTRY(1, OBJ[N].Name), \
INT_ENTRY(1, OBJ[N].VFlip), \
INT_ENTRY(1, OBJ[N].HFlip), \
INT_ENTRY(1, OBJ[N].Priority), \
INT_ENTRY(1, OBJ[N].Palette), \
INT_ENTRY(1, OBJ[N].Size)
O( 0), O( 1), O( 2), O( 3), O( 4), O( 5), O( 6), O( 7),
O( 8), O( 9), O( 10), O( 11), O( 12), O( 13), O( 14), O( 15),
O( 16), O( 17), O( 18), O( 19), O( 20), O( 21), O( 22), O( 23),
O( 24), O( 25), O( 26), O( 27), O( 28), O( 29), O( 30), O( 31),
O( 32), O( 33), O( 34), O( 35), O( 36), O( 37), O( 38), O( 39),
O( 40), O( 41), O( 42), O( 43), O( 44), O( 45), O( 46), O( 47),
O( 48), O( 49), O( 50), O( 51), O( 52), O( 53), O( 54), O( 55),
O( 56), O( 57), O( 58), O( 59), O( 60), O( 61), O( 62), O( 63),
O( 64), O( 65), O( 66), O( 67), O( 68), O( 69), O( 70), O( 71),
O( 72), O( 73), O( 74), O( 75), O( 76), O( 77), O( 78), O( 79),
O( 80), O( 81), O( 82), O( 83), O( 84), O( 85), O( 86), O( 87),
O( 88), O( 89), O( 90), O( 91), O( 92), O( 93), O( 94), O( 95),
O( 96), O( 97), O( 98), O( 99), O(100), O(101), O(102), O(103),
O(104), O(105), O(106), O(107), O(108), O(109), O(110), O(111),
O(112), O(113), O(114), O(115), O(116), O(117), O(118), O(119),
O(120), O(121), O(122), O(123), O(124), O(125), O(126), O(127),
#undef O
INT_ENTRY(1, OAMPriorityRotation),
INT_ENTRY(1, OAMAddr),
INT_ENTRY(1, OAMFlip),
INT_ENTRY(1, OAMTileAddress),
INT_ENTRY(1, IRQVBeamPos),
INT_ENTRY(1, IRQHBeamPos),
INT_ENTRY(1, VBeamPosLatched),
INT_ENTRY(1, HBeamPosLatched),
INT_ENTRY(1, HBeamFlip),
INT_ENTRY(1, VBeamFlip),
INT_ENTRY(1, HVBeamCounterLatched),
INT_ENTRY(1, MatrixA),
INT_ENTRY(1, MatrixB),
INT_ENTRY(1, MatrixC),
INT_ENTRY(1, MatrixD),
INT_ENTRY(1, CentreX),
INT_ENTRY(1, CentreY),
INT_ENTRY(2, M7HOFS),
INT_ENTRY(2, M7VOFS),
OBSOLETE_INT_ENTRY(1,2, SPPU_Joypad1ButtonReadPos),
OBSOLETE_INT_ENTRY(1,2, SPPU_Joypad2ButtonReadPos),
OBSOLETE_INT_ENTRY(1,2, SPPU_Joypad3ButtonReadPos),
INT_ENTRY(1, CGADD),
INT_ENTRY(1, FixedColourRed),
INT_ENTRY(1, FixedColourGreen),
INT_ENTRY(1, FixedColourBlue),
INT_ENTRY(1, SavedOAMAddr),
INT_ENTRY(1, ScreenHeight),
INT_ENTRY(1, WRAM),
DELETED_INT_ENTRY(3,3, BG_Forced,1),
INT_ENTRY(1, ForcedBlanking),
INT_ENTRY(3, OBJThroughMain),
INT_ENTRY(3, OBJThroughSub),
INT_ENTRY(1, OBJNameSelect),
INT_ENTRY(1, OBJSizeSelect),
INT_ENTRY(1, OBJNameBase),
INT_ENTRY(3, OBJAddition),
INT_ENTRY(1, OAMReadFlip),
INT_ENTRY(1, VTimerEnabled),
INT_ENTRY(1, HTimerEnabled),
INT_ENTRY(1, HTimerPosition),
INT_ENTRY(1, Mosaic),
INT_ENTRY(3, MosaicStart),
INT_ENTRY(1, Mode7HFlip),
INT_ENTRY(1, Mode7VFlip),
INT_ENTRY(1, Mode7Repeat),
INT_ENTRY(1, Window1Left),
INT_ENTRY(1, Window1Right),
INT_ENTRY(1, Window2Left),
INT_ENTRY(1, Window2Right),
#define O(N) \
INT_ENTRY(3, ClipCounts[N]), \
INT_ENTRY(1, ClipWindowOverlapLogic[N]), \
INT_ENTRY(1, ClipWindow1Enable[N]), \
INT_ENTRY(1, ClipWindow2Enable[N]), \
INT_ENTRY(1, ClipWindow1Inside[N]), \
INT_ENTRY(1, ClipWindow2Inside[N])
O(0), O(1), O(2), O(3), O(4), O(5),
#undef O
INT_ENTRY(3, RecomputeClipWindows),
INT_ENTRY(1, CGFLIPRead),
INT_ENTRY(1, Need16x8Mulitply),
ARRAY_ENTRY(1, BGMosaic, 4, uint8_ARRAY_V),
ARRAY_ENTRY(1, OAMData, 512 + 32, uint8_ARRAY_V),
INT_ENTRY(1, Need16x8Mulitply),
OBSOLETE_ARRAY_ENTRY(1,2, SPPU_MouseSpeed, 2, uint8_ARRAY_V),
INT_ENTRY(2, OAMWriteRegister),
INT_ENTRY(2, BGnxOFSbyte),
INT_ENTRY(2, M7byte),
INT_ENTRY(2, OpenBus1),
INT_ENTRY(2, OpenBus2),
INT_ENTRY(3, GunVLatch),
INT_ENTRY(3, GunHLatch),
INT_ENTRY(2, VTimerPosition),
INT_ENTRY(5, HDMA),
INT_ENTRY(5, HDMAEnded),
};
#undef STRUCT
#define STRUCT struct SDMA
static FreezeData SnapDMA [] = {
#define O(N) \
{OFFSET (ReverseTransfer) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "ReverseTransfer"}, \
{OFFSET (AAddressFixed) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "AAddressFixed"}, \
{OFFSET (AAddressDecrement) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "AAddressDecrement"}, \
{OFFSET (TransferMode) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "TransferMode"}, \
{OFFSET (ABank) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "ABank"}, \
{OFFSET (AAddress) + N * sizeof (struct SDMA),0, 2, INT_V, 1, 9999, "AAddress"}, \
{OFFSET (Address) + N * sizeof (struct SDMA),0, 2, INT_V, 1, 9999, "Address"}, \
{OFFSET (BAddress) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "BAddress"}, \
{DELETED (TransferBytes),0, 2, INT_V, 1, 2, "TransferBytes"}, \
{OFFSET (HDMAIndirectAddressing) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "HDMAIndirectAddressing"}, \
{OFFSET (DMACount_Or_HDMAIndirectAddress) + N * sizeof (struct SDMA),0, 2, INT_V, 1, 9999, "DMACount_Or_HDMAIndirectAddress"}, \
{OFFSET (IndirectBank) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "IndirectBank"}, \
{OFFSET (Repeat) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "Repeat"}, \
{OFFSET (LineCount) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "LineCount"}, \
{OFFSET (DoTransfer) + N * sizeof (struct SDMA),0, 1, INT_V, 1, 9999, "DoTransfer"}, \
{OFFSET (UnknownByte) + N * sizeof (struct SDMA),0, 1, INT_V, 2, 9999, "UnknownByte"}, \
{OFFSET (UnusedBit43x0) + N * sizeof (struct SDMA),0, 1, INT_V, 2, 9999, "UnusedBit43x0"}
O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7)
#undef O
};
#undef STRUCT
#define STRUCT struct SAPU
static FreezeData SnapAPU [] = {
INT_ENTRY(1, OldCycles),
INT_ENTRY(1, ShowROM),
OBSOLETE_INT_ENTRY(1,2, SAPU_Flags),
INT_ENTRY(2, Flags),
INT_ENTRY(1, KeyedChannels),
ARRAY_ENTRY(1, OutPorts, 4, uint8_ARRAY_V),
ARRAY_ENTRY(1, DSP, 0x80, uint8_ARRAY_V),
ARRAY_ENTRY(1, ExtraRAM, 64, uint8_ARRAY_V),
ARRAY_ENTRY(1, Timer, 3, uint16_ARRAY_V),
ARRAY_ENTRY(1, TimerTarget, 3, uint16_ARRAY_V),
ARRAY_ENTRY(1, TimerEnabled, 3, uint8_ARRAY_V),
ARRAY_ENTRY(1, TimerValueWritten, 3, uint8_ARRAY_V),
INT_ENTRY(4, Cycles),
INT_ENTRY(5, NextAPUTimerPos),
INT_ENTRY(5, APUTimerCounter),
};
#undef STRUCT
#define STRUCT struct SAPURegisters
static FreezeData SnapAPURegisters [] = {
INT_ENTRY(1, P),
INT_ENTRY(1, YA.W),
INT_ENTRY(1, X),
INT_ENTRY(1, S),
INT_ENTRY(1, PC),
};
#undef STRUCT
#define STRUCT SSoundData
static FreezeData SnapSoundData [] = {
INT_ENTRY(1, master_volume_left),
INT_ENTRY(1, master_volume_right),
INT_ENTRY(1, echo_volume_left),
INT_ENTRY(1, echo_volume_right),
INT_ENTRY(1, echo_enable),
INT_ENTRY(1, echo_feedback),
INT_ENTRY(1, echo_ptr),
INT_ENTRY(1, echo_buffer_size),
INT_ENTRY(1, echo_write_enabled),
INT_ENTRY(1, echo_channel_enable),
INT_ENTRY(1, pitch_mod),
ARRAY_ENTRY(1, dummy, 3, uint32_ARRAY_V),
#define O(N) \
INT_ENTRY(1, channels [N].state), \
INT_ENTRY(1, channels [N].type), \
INT_ENTRY(1, channels [N].volume_left), \
INT_ENTRY(1, channels [N].volume_right), \
INT_ENTRY(1, channels [N].hertz), \
INT_ENTRY(1, channels [N].count), \
INT_ENTRY(1, channels [N].loop), \
INT_ENTRY(1, channels [N].envx), \
INT_ENTRY(1, channels [N].left_vol_level), \
INT_ENTRY(1, channels [N].right_vol_level), \
INT_ENTRY(1, channels [N].envx_target), \
INT_ENTRY(1, channels [N].env_error), \
INT_ENTRY(1, channels [N].erate), \
INT_ENTRY(1, channels [N].direction), \
INT_ENTRY(1, channels [N].attack_rate), \
INT_ENTRY(1, channels [N].decay_rate), \
INT_ENTRY(1, channels [N].sustain_rate), \
INT_ENTRY(1, channels [N].release_rate), \
INT_ENTRY(1, channels [N].sustain_level), \
INT_ENTRY(1, channels [N].sample), \
ARRAY_ENTRY(1, channels [N].decoded, 16, uint16_ARRAY_V), \
ARRAY_ENTRY(1, channels [N].previous16, 2, uint16_ARRAY_V), \
INT_ENTRY(1, channels [N].sample_number), \
INT_ENTRY(1, channels [N].last_block), \
INT_ENTRY(1, channels [N].needs_decode), \
INT_ENTRY(1, channels [N].block_pointer), \
INT_ENTRY(1, channels [N].sample_pointer), \
INT_ENTRY(1, channels [N].mode)
O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7),
#undef O
INT_ENTRY(2, noise_rate),
#define O(N) \
INT_ENTRY(2, channels [N].out_sample), \
INT_ENTRY(2, channels [N].xenvx), \
INT_ENTRY(2, channels [N].xenvx_target), \
INT_ENTRY(2, channels [N].xenv_count), \
INT_ENTRY(2, channels [N].xenv_rate), \
INT_ENTRY(2, channels [N].xattack_rate), \
INT_ENTRY(2, channels [N].xdecay_rate), \
INT_ENTRY(2, channels [N].xsustain_rate), \
INT_ENTRY(2, channels [N].xsustain_level)
O(0), O(1), O(2), O(3), O(4), O(5), O(6), O(7),
#undef O
INT_ENTRY(4, noise_count),
INT_ENTRY(4, no_filter),
INT_ENTRY(4, echo_volume[0]),
INT_ENTRY(4, echo_volume[1]),
INT_ENTRY(4, master_volume[0]),
INT_ENTRY(4, master_volume[1]),
};
#undef STRUCT
#define STRUCT struct SSA1Registers
static FreezeData SnapSA1Registers [] = {
INT_ENTRY(1, PB),
INT_ENTRY(1, DB),
INT_ENTRY(1, P.W),
INT_ENTRY(1, A.W),
INT_ENTRY(1, D.W),
INT_ENTRY(1, S.W),
INT_ENTRY(1, X.W),
INT_ENTRY(1, Y.W),
INT_ENTRY(1, PCw),
};
#undef STRUCT
#define STRUCT struct SSA1
static FreezeData SnapSA1 [] = {
INT_ENTRY(1, Flags),
INT_ENTRY(1, NMIActive),
INT_ENTRY(1, IRQActive),
INT_ENTRY(1, WaitingForInterrupt),
INT_ENTRY(1, op1),
INT_ENTRY(1, op2),
INT_ENTRY(1, arithmetic_op),
INT_ENTRY(1, sum),
INT_ENTRY(1, overflow),
// not sure if the following are necessary, but better safe than sorry
INT_ENTRY(3, CPUExecuting),
INT_ENTRY(3, ShiftedPB),
INT_ENTRY(3, ShiftedDB),
INT_ENTRY(3, Executing),
INT_ENTRY(3, Waiting),
INT_ENTRY(3, PBPCAtOpcodeStart),
INT_ENTRY(3, WaitAddress),
INT_ENTRY(3, WaitCounter),
INT_ENTRY(3, VirtualBitmapFormat),
INT_ENTRY(3, in_char_dma),
INT_ENTRY(3, variable_bit_pos),
};
#undef STRUCT
#define STRUCT struct SDSP1
static FreezeData SnapDSP1 [] = {
INT_ENTRY(3, version),
INT_ENTRY(3, waiting4command),
INT_ENTRY(3, first_parameter),
INT_ENTRY(3, command),
INT_ENTRY(3, in_count),
INT_ENTRY(3, in_index),
INT_ENTRY(3, out_count),
INT_ENTRY(3, out_index),
ARRAY_ENTRY(3, parameters, 512, uint8_ARRAY_V),
ARRAY_ENTRY(3, output, 512, uint8_ARRAY_V),
ARRAY_ENTRY(4, temp_save_data, sizeof(DSP1.temp_save_data), uint8_ARRAY_V),
};
#undef STRUCT
#define STRUCT struct SPC7110EmuVars
static FreezeData SnapSPC7110 [] = {
INT_ENTRY(1, reg4800),
INT_ENTRY(1, reg4801),
INT_ENTRY(1, reg4802),
INT_ENTRY(1, reg4803),
INT_ENTRY(1, reg4804),
INT_ENTRY(1, reg4805),
INT_ENTRY(1, reg4806),
INT_ENTRY(1, reg4807),
INT_ENTRY(1, reg4808),
INT_ENTRY(1, reg4809),
INT_ENTRY(1, reg480A),
INT_ENTRY(1, reg480B),
INT_ENTRY(1, reg480C),
INT_ENTRY(1, reg4811),
INT_ENTRY(1, reg4812),
INT_ENTRY(1, reg4813),
INT_ENTRY(1, reg4814),
INT_ENTRY(1, reg4815),
INT_ENTRY(1, reg4816),
INT_ENTRY(1, reg4817),
INT_ENTRY(1, reg4818),
INT_ENTRY(1, reg4820),
INT_ENTRY(1, reg4821),
INT_ENTRY(1, reg4822),
INT_ENTRY(1, reg4823),
INT_ENTRY(1, reg4824),
INT_ENTRY(1, reg4825),
INT_ENTRY(1, reg4826),
INT_ENTRY(1, reg4827),
INT_ENTRY(1, reg4828),
INT_ENTRY(1, reg4829),
INT_ENTRY(1, reg482A),
INT_ENTRY(1, reg482B),
INT_ENTRY(1, reg482C),
INT_ENTRY(1, reg482D),
INT_ENTRY(1, reg482E),
INT_ENTRY(1, reg482F),
INT_ENTRY(1, reg4830),
INT_ENTRY(1, reg4831),
INT_ENTRY(1, reg4832),
INT_ENTRY(1, reg4833),
INT_ENTRY(1, reg4834),
INT_ENTRY(1, reg4840),
INT_ENTRY(1, reg4841),
INT_ENTRY(1, reg4842),
INT_ENTRY(1, AlignBy),
INT_ENTRY(1, written),
INT_ENTRY(1, offset_add),
INT_ENTRY(1, DataRomOffset),
INT_ENTRY(1, DataRomSize),
INT_ENTRY(1, bank50Internal),
ARRAY_ENTRY(1, bank50, 0x10000, uint8_ARRAY_V),
};
#undef STRUCT
#define STRUCT struct SPC7110RTC
static FreezeData SnapS7RTC [] = {
ARRAY_ENTRY(1, reg, 16, uint8_ARRAY_V),
INT_ENTRY(1, index),
INT_ENTRY(1, control),
INT_ENTRY(1, init),
INT_ENTRY(1, last_used),
};
#undef STRUCT
#define STRUCT struct SControlSnapshot
static FreezeData SnapControls [] = {
INT_ENTRY(2, ver),
ARRAY_ENTRY(2, port1_read_idx, 2, uint8_ARRAY_V),
ARRAY_ENTRY(2, dummy1, 4, uint8_ARRAY_V),
ARRAY_ENTRY(2, port2_read_idx, 2, uint8_ARRAY_V),
ARRAY_ENTRY(2, dummy2, 4, uint8_ARRAY_V),
ARRAY_ENTRY(2, mouse_speed, 2, uint8_ARRAY_V),
INT_ENTRY(2, justifier_select),
ARRAY_ENTRY(2, dummy3, 8, uint8_ARRAY_V),
INT_ENTRY(4, pad_read),
INT_ENTRY(4, pad_read_last),
ARRAY_ENTRY(3, internal, 60, uint8_ARRAY_V), // yes, we need to save this!
};
#undef STRUCT
#define STRUCT struct STimings
static FreezeData SnapTimings [] = {
INT_ENTRY(2, H_Max_Master),
INT_ENTRY(2, H_Max),
INT_ENTRY(2, V_Max_Master),
INT_ENTRY(2, V_Max),
INT_ENTRY(2, HBlankStart),
INT_ENTRY(2, HBlankEnd),
INT_ENTRY(2, HDMAInit),
INT_ENTRY(2, HDMAStart),
INT_ENTRY(2, NMITriggerPos),
INT_ENTRY(2, WRAMRefreshPos),
INT_ENTRY(2, RenderPos),
INT_ENTRY(2, InterlaceField),
INT_ENTRY(4, DMACPUSync),
};
#undef STRUCT
#define STRUCT struct SBSX
static FreezeData SnapBSX [] = {
INT_ENTRY(2, dirty),
INT_ENTRY(2, dirty2),
INT_ENTRY(2, bootup),
INT_ENTRY(2, flash_enable),
INT_ENTRY(2, write_enable),
INT_ENTRY(2, read_enable),
INT_ENTRY(2, flash_command),
INT_ENTRY(2, old_write),
INT_ENTRY(2, new_write),
INT_ENTRY(2, out_index),
ARRAY_ENTRY(2, output, 32, uint8_ARRAY_V),
ARRAY_ENTRY(2, PPU, 32, uint8_ARRAY_V),
ARRAY_ENTRY(2, MMC, 16, uint8_ARRAY_V),
ARRAY_ENTRY(2, prevMMC, 16, uint8_ARRAY_V),
ARRAY_ENTRY(2, test2192, 32, uint8_ARRAY_V),
};
// deleted blocks
static FreezeData SnapIPPU [] = {
DELETED_ARRAY_ENTRY(3,4, Junk, 2, uint32_ARRAY_V),
};
static FreezeData SnapGFX [] = {
DELETED_ARRAY_ENTRY(3,4, Junk, 22+256+MAX_SNES_WIDTH*MAX_SNES_HEIGHT*2, uint8_ARRAY_V),
};
#ifndef NGC
struct SnapshotScreenshotInfo
{
uint16 Width;
uint16 Height;
uint8 Data [MAX_SNES_WIDTH * MAX_SNES_HEIGHT * 3];
uint8 Interlaced;
};
#undef STRUCT
#define STRUCT struct SnapshotScreenshotInfo
static FreezeData SnapScreenshot [] = {
INT_ENTRY(4, Width),
INT_ENTRY(4, Height),
ARRAY_ENTRY(4, Data, MAX_SNES_WIDTH * MAX_SNES_HEIGHT * 3, uint8_ARRAY_V),
INT_ENTRY(4, Interlaced), // needed in case interlacing was on before loading a state where it is off
};
#endif
#ifndef ZSNES_FX
extern struct FxRegs_s GSU;
#undef STRUCT
#define STRUCT struct FxRegs_s
// TODO: figure out which of these are completely unnecessary. Many of them are necessary.
static FreezeData SnapFX [] = {
INT_ENTRY(4, vColorReg),
INT_ENTRY(4, vPlotOptionReg),
INT_ENTRY(4, vStatusReg),
INT_ENTRY(4, vPrgBankReg),
INT_ENTRY(4, vRomBankReg),
INT_ENTRY(4, vRamBankReg),
INT_ENTRY(4, vCacheBaseReg),
INT_ENTRY(4, vCacheFlags),
INT_ENTRY(4, vLastRamAdr),
INT_ENTRY(4, vPipeAdr),
INT_ENTRY(4, vSign),
INT_ENTRY(4, vZero),
INT_ENTRY(4, vCarry),
INT_ENTRY(4, vOverflow),
INT_ENTRY(4, vErrorCode),
INT_ENTRY(4, vIllegalAddress),
INT_ENTRY(4, vBreakPoint),
INT_ENTRY(4, vStepPoint),
INT_ENTRY(4, nRamBanks),
INT_ENTRY(4, nRomBanks),
INT_ENTRY(4, vMode),
INT_ENTRY(4, vPrevMode),
INT_ENTRY(4, vScreenHeight),
INT_ENTRY(4, vScreenRealHeight),
INT_ENTRY(4, vPrevScreenHeight),
INT_ENTRY(4, vScreenSize),
INT_ENTRY(4, vCounter),
INT_ENTRY(4, vInstCount),
INT_ENTRY(4, vSCBRDirty),
INT_ENTRY(4, vRomBuffer),
INT_ENTRY(4, vPipe),
INT_ENTRY(4, bCacheActive),
INT_ENTRY(4, bBreakPoint),
ARRAY_ENTRY(4, avCacheBackup, 512, uint8_ARRAY_V),
ARRAY_ENTRY(4, avReg, 16, uint32_ARRAY_V),
ARRAY_ENTRY(4, x, 32, uint32_ARRAY_V),
POINTER_ENTRY(4, pvScreenBase, pvRam),
POINTER_ENTRY(4, pvPrgBank, apvRomBank),
POINTER_ENTRY(4, pvDreg, avReg),
POINTER_ENTRY(4, pvSreg, avReg),
#define O(N) POINTER_ENTRY(4, apvScreen[N], pvRam)
O( 0), O( 1), O( 2), O( 3), O( 4), O( 5), O( 6), O( 7),
O( 8), O( 9), O( 10), O( 11), O( 12), O( 13), O( 14), O( 15),
O( 16), O( 17), O( 18), O( 19), O( 20), O( 21), O( 22), O( 23),
O( 24), O( 25), O( 26), O( 27), O( 28), O( 29), O( 30), O( 31),
#undef O
POINTER_ENTRY(4, pvRamBank, apvRamBank),
POINTER_ENTRY(4, pvRomBank, apvRomBank),
POINTER_ENTRY(4, pvCache, pvRegisters),
POINTER_ENTRY(4, apvRamBank[0], pvRam),
POINTER_ENTRY(4, apvRamBank[1], pvRam),
POINTER_ENTRY(4, apvRamBank[2], pvRam),
POINTER_ENTRY(4, apvRamBank[3], pvRam),
// uint8 * apvRomBank[256]; // probably OK to not save it, because it only changes in FxReset
// uint8 * pvRegisters; // can't save, but no need
// uint8 * pvRam; // can't save, but no need
// uint8 * pvRom; // can't save, but no need
// void (*pfPlot)(); // can't save, so we set it after loading
// void (*pfRpix)(); // can't save, so we set it after loading
};
#endif
static char ROMFilename [_MAX_PATH];
//static char SnapshotFilename [_MAX_PATH];
void FreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields,
int num_fields);
void FreezeBlock (STREAM stream, char *name, uint8 *block, int size);
#ifdef NGC
extern void NGCFreezeBlock (char *name, uint8 *block, int size);
extern int NGCUnFreezeBlock( char *name, uint8 *block, int size );
extern int GetMem( char *buffer, int len );
#endif
int UnfreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields,
int num_fields, int version);
int UnfreezeBlock (STREAM stream, char *name, uint8 *block, int size);
int UnfreezeStructCopy (STREAM stream, char *name, uint8** block, FreezeData *fields, int num_fields, int version);
void UnfreezeStructFromCopy (void *base, FreezeData *fields, int num_fields, uint8* block, int version);
int UnfreezeBlockCopy (STREAM stream, char *name, uint8** block, int size);
bool8 Snapshot (const char *filename)
{
return (S9xFreezeGame (filename));
}
bool8 S9xFreezeGame (const char *filename)
{
STREAM stream = NULL;
#ifndef NGC
if (S9xOpenSnapshotFile (filename, FALSE, &stream))
#endif
{
S9xPrepareSoundForSnapshotSave (FALSE);
S9xFreezeToStream (stream);
#ifndef NGC
S9xCloseSnapshotFile (stream);
#endif
S9xPrepareSoundForSnapshotSave (TRUE);
S9xResetSaveTimer (TRUE);
#ifndef NGC
if(S9xMovieActive())
{
const char * name = S9xBasename (filename);
if(name && strlen(name) > 3)
name += strlen(name) - 3;
else
name = filename;
sprintf(String, MOVIE_INFO_SNAPSHOT " %s", name);
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
GFX.InfoStringTimeout /= 4;
}
else
{
sprintf(String, SAVE_INFO_SNAPSHOT " %s", S9xBasename (filename));
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
}
#endif
return (TRUE);
}
return (FALSE);
}
bool8 S9xLoadSnapshot (const char *filename)
{
return (S9xUnfreezeGame (filename));
}
bool8 S9xUnfreezeGame (const char *filename)
{
char def [PATH_MAX + 1 ];
char drive [_MAX_DRIVE + 1];
char dir [_MAX_DIR + 1 ];
char ext [_MAX_EXT + 1 ] ;
_splitpath (filename, drive, dir, def, ext);
S9xResetSaveTimer (!strcmp(ext, "oops") || !strcmp(ext, "oop"));
ZeroMemory (&Obsolete, sizeof(Obsolete));
#ifndef NGC
/*** As the GC never had snapshots - there won't be
any original ones -;) ***/
if (S9xLoadOrigSnapshot (filename))
return (TRUE);
if (S9xUnfreezeZSNES (filename))
return (TRUE);
#endif
STREAM snapshot = NULL;
#ifndef NGC
if (S9xOpenSnapshotFile (filename, TRUE, &snapshot))
#endif
{
int result;
if ((result = S9xUnfreezeFromStream (snapshot)) != SUCCESS)
{
switch (result)
{
case WRONG_FORMAT:
S9xMessage (S9X_ERROR, S9X_WRONG_FORMAT, SAVE_ERR_WRONG_FORMAT);
break;
case WRONG_VERSION:
S9xMessage (S9X_ERROR, S9X_WRONG_VERSION, SAVE_ERR_WRONG_VERSION);
break;
case WRONG_MOVIE_SNAPSHOT:
S9xMessage (S9X_ERROR, S9X_WRONG_MOVIE_SNAPSHOT, MOVIE_ERR_SNAPSHOT_WRONG_MOVIE);
break;
case NOT_A_MOVIE_SNAPSHOT:
S9xMessage (S9X_ERROR, S9X_NOT_A_MOVIE_SNAPSHOT, MOVIE_ERR_SNAPSHOT_NOT_MOVIE);
break;
case SNAPSHOT_INCONSISTENT:
S9xMessage (S9X_ERROR, S9X_SNAPSHOT_INCONSISTENT, MOVIE_ERR_SNAPSHOT_INCONSISTENT);
break;
default:
case FILE_NOT_FOUND:
sprintf (String, SAVE_ERR_ROM_NOT_FOUND, ROMFilename);
S9xMessage (S9X_ERROR, S9X_ROM_NOT_FOUND, String);
break;
}
#ifndef NGC
S9xCloseSnapshotFile (snapshot);
#endif
return (FALSE);
}
#ifndef NGC
if(S9xMovieActive())
{
const char * name = S9xBasename (filename);
if(name && strlen(name) > 3)
name += strlen(name) - 3;
else
name = filename;
if(S9xMovieReadOnly())
sprintf(String, MOVIE_INFO_REWIND " %s", name);
else
sprintf(String, MOVIE_INFO_RERECORD " %s", name);
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
GFX.InfoStringTimeout /= 4;
}
else
{
sprintf(String, SAVE_INFO_LOAD " %s", S9xBasename (filename));
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
}
S9xCloseSnapshotFile (snapshot);
#endif
return (TRUE);
}
#ifndef NGC
// failed; error message:
{
char name [PATH_MAX];
strcpy(name, S9xBasename (filename));
int len = strlen(name);
if(len > 3 && name[len-3] == 'z' && name[len-2] == 's')
name[len-3] = name[len-2] = '0';
sprintf(String, SAVE_ERR_SAVE_NOT_FOUND, name);
S9xMessage (S9X_INFO, S9X_FREEZE_FILE_INFO, String);
}
return (FALSE);
#endif
}
bool diagnostic_freezing = false;
//#define DIAGNOSTIC_FREEZING_SUPPORT
void S9xFreezeToStream (STREAM stream)
{
char buffer [1024];
int i;
S9xSetSoundMute (TRUE);
#ifdef ZSNES_FX
if (Settings.SuperFX)
S9xSuperFXPreSaveState ();
#endif
S9xUpdateRTC();
S9xSRTCPreSaveState ();
for (i = 0; i < 8; i++)
{
SoundData.channels [i].previous16 [0] = (int16) SoundData.channels [i].previous [0];
SoundData.channels [i].previous16 [1] = (int16) SoundData.channels [i].previous [1];
}
sprintf (buffer, "%s:%04d\n", SNAPSHOT_MAGIC, diagnostic_freezing ? 9999 : SNAPSHOT_VERSION);
WRITE_STREAM (buffer, strlen (buffer), stream);
sprintf (buffer, "NAM:%06d:%s%c", (int)strlen (Memory.ROMFilename) + 1,
Memory.ROMFilename, 0);
WRITE_STREAM (buffer, strlen (buffer) + 1, stream);
FreezeStruct (stream, "CPU", &CPU, SnapCPU, COUNT (SnapCPU));
FreezeStruct (stream, "REG", &Registers, SnapRegisters, COUNT (SnapRegisters));
FreezeStruct (stream, "PPU", &PPU, SnapPPU, COUNT (SnapPPU));
FreezeStruct (stream, "DMA", DMA, SnapDMA, COUNT (SnapDMA));
// RAM and VRAM
FreezeBlock (stream, "VRA", Memory.VRAM, 0x10000);
FreezeBlock (stream, "RAM", Memory.RAM, 0x20000);
FreezeBlock (stream, "SRA", Memory.SRAM, 0x20000);
FreezeBlock (stream, "FIL", Memory.FillRAM, 0x8000);
if (Settings.APUEnabled)
{
// APU
FreezeStruct (stream, "APU", &APU, SnapAPU, COUNT (SnapAPU));
FreezeStruct (stream, "ARE", &APURegisters, SnapAPURegisters,
COUNT (SnapAPURegisters));
FreezeBlock (stream, "ARA", IAPU.RAM, 0x10000);
FreezeStruct (stream, "SOU", &SoundData, SnapSoundData,
COUNT (SnapSoundData));
}
// Controls
struct SControlSnapshot ctl_snap;
S9xControlPreSave(&ctl_snap);
FreezeStruct (stream, "CTL", &ctl_snap, SnapControls, COUNT (SnapControls));
// Timings
FreezeStruct (stream, "TIM", &Timings, SnapTimings, COUNT (SnapTimings));
// Special chips
if (Settings.SA1)
{
S9xSA1PackStatus ();
FreezeStruct (stream, "SA1", &SA1, SnapSA1, COUNT (SnapSA1));
FreezeStruct (stream, "SAR", &SA1Registers, SnapSA1Registers,
COUNT (SnapSA1Registers));
}
if (Settings.SPC7110)
{
FreezeStruct (stream, "SP7", &s7r, SnapSPC7110, COUNT (SnapSPC7110));
}
if (Settings.SPC7110RTC)
{
FreezeStruct (stream, "RTC", &rtc_f9, SnapS7RTC, COUNT (SnapS7RTC));
}
// BS
if (Settings.BS)
{
FreezeStruct (stream, "BSX", &BSX, SnapBSX, COUNT (SnapBSX));
}
#ifndef NGC
if (S9xMovieActive ())
{
uint8* movie_freeze_buf;
uint32 movie_freeze_size;
S9xMovieFreeze(&movie_freeze_buf, &movie_freeze_size);
if(movie_freeze_buf)
{
struct SnapshotMovieInfo mi;
mi.MovieInputDataSize = movie_freeze_size;
FreezeStruct (stream, "MOV", &mi, SnapMovie, COUNT (SnapMovie));
FreezeBlock (stream, "MID", movie_freeze_buf, movie_freeze_size);
delete [] movie_freeze_buf;
}
}
#endif
// DSP1 chip
if(Settings.DSP1Master)
{
S9xPreSaveDSP1();
FreezeStruct (stream, "DSP", &DSP1, SnapDSP1, COUNT (SnapDSP1));
}
if (Settings.C4)
{
#ifdef ZSNES_C4
extern uint8 *C4Ram;
if (C4Ram)
FreezeBlock (stream, "CX4", C4Ram, 8192);
#else
FreezeBlock (stream, "CX4", Memory.C4RAM, 8192);
#endif
}
#ifndef ZSNES_FX
if (Settings.SuperFX)
FreezeStruct (stream, "SFX", &GSU, SnapFX, COUNT (SnapFX));
#endif
#ifndef NGC
if(Settings.SnapshotScreenshots)
{
SnapshotScreenshotInfo *ssi = new SnapshotScreenshotInfo;
ssi->Width = min(IPPU.RenderedScreenWidth, MAX_SNES_WIDTH);
ssi->Height = min(IPPU.RenderedScreenHeight, MAX_SNES_HEIGHT);
ssi->Interlaced = GFX.DoInterlace;
uint8 *rowpix=ssi->Data;
uint16 *screen=GFX.Screen;
for(int y=0; 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; // save pixel as 15-bits-in-3-bytes, for simplicity
*(rowpix++) = g;
*(rowpix++) = b;
}
}
memset(rowpix, 0, sizeof(ssi->Data) + ssi->Data - rowpix);
FreezeStruct (stream, "SHO", ssi, SnapScreenshot, COUNT (SnapScreenshot));
delete ssi;
}
#endif
S9xSetSoundMute (FALSE);
#ifdef ZSNES_FX
if (Settings.SuperFX)
S9xSuperFXPostSaveState ();
#endif
}
bool unfreezing_from_stream = false;
int S9xUnfreezeFromStream (STREAM stream)
{
char buffer [_MAX_PATH + 1];
char rom_filename [_MAX_PATH + 1];
int result;
int version;
int len = strlen (SNAPSHOT_MAGIC) + 1 + 4 + 1;
#ifdef NGC
GetMem(buffer, len);
#else
if (READ_STREAM (buffer, len, stream) != len)
return (WRONG_FORMAT);
#endif
if (strncmp (buffer, SNAPSHOT_MAGIC, strlen (SNAPSHOT_MAGIC)) != 0)
return (WRONG_FORMAT);
if ((version = atoi (&buffer [strlen (SNAPSHOT_MAGIC) + 1])) > SNAPSHOT_VERSION)
return (WRONG_VERSION);
if ((result = UnfreezeBlock (stream, "NAM", (uint8 *) rom_filename, _MAX_PATH)) != SUCCESS)
return (result);
unfreezing_from_stream = true;
#ifndef NGC
if (strcasecmp (rom_filename, Memory.ROMFilename) != 0 &&
strcasecmp (S9xBasename (rom_filename), S9xBasename (Memory.ROMFilename)) != 0)
{
S9xMessage (S9X_WARNING, S9X_FREEZE_ROM_NAME,
"Current loaded ROM image doesn't match that required by freeze-game file.");
}
#endif
// ## begin load ##
uint8* local_cpu = NULL;
uint8* local_registers = NULL;
uint8* local_ppu = NULL;
uint8* local_dma = NULL;
uint8* local_vram = NULL;
uint8* local_ram = NULL;
uint8* local_sram = NULL;
uint8* local_fillram = NULL;
uint8* local_apu = NULL;
uint8* local_apu_registers = NULL;
uint8* local_apu_ram = NULL;
uint8* local_apu_sounddata = NULL;
uint8* local_sa1 = NULL;
uint8* local_sa1_registers = NULL;
uint8* local_spc = NULL;
uint8* local_spc_rtc = NULL;
uint8* local_movie_data = NULL;
uint8* local_control_data = NULL;
uint8* local_timing_data = NULL;
uint8* local_bsx_data = NULL;
uint8* local_dsp1 = NULL;
uint8* local_cx4_data = NULL;
uint8* local_superfx = NULL;
uint8* local_screenshot = NULL;
uint8* local_dummy[2] = {NULL,NULL};
do
{
if ((result = UnfreezeStructCopy (stream, "CPU", &local_cpu, SnapCPU, COUNT (SnapCPU), version)) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "REG", &local_registers, SnapRegisters, COUNT (SnapRegisters), version)) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "PPU", &local_ppu, SnapPPU, COUNT (SnapPPU), version)) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "DMA", &local_dma, SnapDMA, COUNT (SnapDMA), version)) != SUCCESS)
break;
if ((result = UnfreezeBlockCopy (stream, "VRA", &local_vram, 0x10000)) != SUCCESS)
break;
if ((result = UnfreezeBlockCopy (stream, "RAM", &local_ram, 0x20000)) != SUCCESS)
break;
if ((result = UnfreezeBlockCopy (stream, "SRA", &local_sram, 0x20000)) != SUCCESS)
break;
if ((result = UnfreezeBlockCopy (stream, "FIL", &local_fillram, 0x8000)) != SUCCESS)
break;
if (UnfreezeStructCopy (stream, "APU", &local_apu, SnapAPU, COUNT (SnapAPU), version) == SUCCESS)
{
if ((result = UnfreezeStructCopy (stream, "ARE", &local_apu_registers, SnapAPURegisters, COUNT (SnapAPURegisters), version)) != SUCCESS)
break;
if ((result = UnfreezeBlockCopy (stream, "ARA", &local_apu_ram, 0x10000)) != SUCCESS)
break;
if ((result = UnfreezeStructCopy (stream, "SOU", &local_apu_sounddata, SnapSoundData, COUNT (SnapSoundData), version)) != SUCCESS)
break;
}
if ((result = UnfreezeStructCopy (stream, "CTL", &local_control_data, SnapControls, COUNT (SnapControls), version)) != SUCCESS && version>1)
break;
if ((result = UnfreezeStructCopy (stream, "TIM", &local_timing_data, SnapTimings, COUNT (SnapTimings), version)) != SUCCESS && version>1)
break;
if ((result = UnfreezeStructCopy (stream, "SA1", &local_sa1, SnapSA1, COUNT(SnapSA1), version)) == SUCCESS)
{
if ((result = UnfreezeStructCopy (stream, "SAR", &local_sa1_registers, SnapSA1Registers, COUNT (SnapSA1Registers), version)) != SUCCESS)
break;
}
else if (Settings.SA1)
break;
if ((result = UnfreezeStructCopy (stream, "SP7", &local_spc, SnapSPC7110, COUNT(SnapSPC7110), version)) != SUCCESS)
if (Settings.SPC7110)
break;
if ((result = UnfreezeStructCopy (stream, "RTC", &local_spc_rtc, SnapS7RTC, COUNT (SnapS7RTC), version)) != SUCCESS)
if (Settings.SPC7110RTC)
break;
if ((result = UnfreezeStructCopy (stream, "BSX", &local_bsx_data, SnapBSX, COUNT (SnapBSX), version)) != SUCCESS)
if (Settings.BS)
break;
#ifndef NGC
// movie
{
SnapshotMovieInfo mi;
if ((result = UnfreezeStruct (stream, "MOV", &mi, SnapMovie, COUNT(SnapMovie), version)) != SUCCESS)
{
if (S9xMovieActive ())
{
result = NOT_A_MOVIE_SNAPSHOT;
break;
}
} else {
if ((result = UnfreezeBlockCopy (stream, "MID", &local_movie_data, mi.MovieInputDataSize)) != SUCCESS)
{
if (S9xMovieActive ())
{
result = NOT_A_MOVIE_SNAPSHOT;
break;
}
}
if (S9xMovieActive ())
{
result = S9xMovieUnfreeze(local_movie_data, mi.MovieInputDataSize);
if(result != SUCCESS)
break;
}
}
}
#endif
if ((result = UnfreezeStructCopy (stream, "DSP", &local_dsp1, SnapDSP1, COUNT(SnapDSP1), version)) != SUCCESS)
if(Settings.DSP1Master)
break;
if ((result = UnfreezeBlockCopy (stream, "CX4", &local_cx4_data, 8192)) != SUCCESS)
if(Settings.C4)
break;
#ifndef ZSNES_FX
if ((result = UnfreezeStructCopy (stream, "SFX", &local_superfx, SnapFX, COUNT(SnapFX), version)) != SUCCESS)
// if (Settings.SuperFX)
// break; // what if the savestate was made with ZSNES_FX on?
{}
#endif
UnfreezeStructCopy (stream, "IPU", &local_dummy[0], SnapIPPU, COUNT(SnapIPPU), version); // obsolete
UnfreezeStructCopy (stream, "GFX", &local_dummy[1], SnapGFX, COUNT(SnapGFX), version); // obsolete
#ifndef NGC
UnfreezeStructCopy (stream, "SHO", &local_screenshot, SnapScreenshot, COUNT(SnapScreenshot), version);
#endif
result=SUCCESS;
} while(false);
// ## end load ##
if (result == SUCCESS)
{
uint32 old_flags = CPU.Flags;
uint32 sa1_old_flags = SA1.Flags;
S9xReset ();
S9xSetSoundMute (TRUE);
UnfreezeStructFromCopy (&CPU, SnapCPU, COUNT (SnapCPU), local_cpu, version);
UnfreezeStructFromCopy (&Registers, SnapRegisters, COUNT (SnapRegisters), local_registers, version);
UnfreezeStructFromCopy (&PPU, SnapPPU, COUNT (SnapPPU), local_ppu, version);
UnfreezeStructFromCopy (DMA, SnapDMA, COUNT (SnapDMA), local_dma, version);
memcpy (Memory.VRAM, local_vram, 0x10000);
memcpy (Memory.RAM, local_ram, 0x20000);
memcpy (Memory.SRAM, local_sram, 0x20000);
memcpy (Memory.FillRAM, local_fillram, 0x8000);
if(local_apu)
{
UnfreezeStructFromCopy (&APU, SnapAPU, COUNT (SnapAPU), local_apu, version);
UnfreezeStructFromCopy (&APURegisters, SnapAPURegisters, COUNT (SnapAPURegisters), local_apu_registers, version);
memcpy (IAPU.RAM, local_apu_ram, 0x10000);
UnfreezeStructFromCopy (&SoundData, SnapSoundData, COUNT (SnapSoundData), local_apu_sounddata, version);
}
if(local_sa1)
{
UnfreezeStructFromCopy (&SA1, SnapSA1, COUNT (SnapSA1), local_sa1, version);
UnfreezeStructFromCopy (&SA1Registers, SnapSA1Registers, COUNT (SnapSA1Registers), local_sa1_registers, version);
}
if(local_spc)
{
UnfreezeStructFromCopy (&s7r, SnapSPC7110, COUNT (SnapSPC7110), local_spc, version);
}
if(local_spc_rtc)
{
UnfreezeStructFromCopy (&rtc_f9, SnapS7RTC, COUNT (SnapS7RTC), local_spc_rtc, version);
}
struct SControlSnapshot ctl_snap;
if(local_control_data) {
UnfreezeStructFromCopy (&ctl_snap, SnapControls, COUNT (SnapControls), local_control_data, version);
} else {
// Must be an old snes9x savestate
ZeroMemory(&ctl_snap, sizeof(ctl_snap));
ctl_snap.ver=0;
ctl_snap.port1_read_idx[0]=Obsolete.SPPU_Joypad1ButtonReadPos;
ctl_snap.port2_read_idx[0]=Obsolete.SPPU_Joypad2ButtonReadPos;
ctl_snap.port2_read_idx[1]=Obsolete.SPPU_Joypad3ButtonReadPos;
// Old snes9x used MouseSpeed[0] for both mice. Weird.
ctl_snap.mouse_speed[0]=ctl_snap.mouse_speed[1]=Obsolete.SPPU_MouseSpeed[0];
ctl_snap.justifier_select=0;
}
S9xControlPostLoad(&ctl_snap);
if(local_movie_data) // restore last displayed pad_read status
{
extern bool8 pad_read, pad_read_last;
bool8 pad_read_temp = pad_read;
pad_read = pad_read_last;
//S9xUpdateFrameCounter (-1);
pad_read = pad_read_temp;
}
if (local_timing_data)
UnfreezeStructFromCopy (&Timings, SnapTimings, COUNT (SnapTimings), local_timing_data, version);
else // Must be an old snes9x savestate
{
S9xUpdateHVTimerPosition();
}
if (local_bsx_data)
UnfreezeStructFromCopy (&BSX, SnapBSX, COUNT (SnapBSX), local_bsx_data, version);
if(local_dsp1)
{
UnfreezeStructFromCopy (&DSP1, SnapDSP1, COUNT (SnapDSP1), local_dsp1, version);
S9xPostLoadDSP1();
}
if (local_cx4_data)
{
#ifdef ZSNES_C4
extern uint8 *C4Ram;
if (C4Ram)
memcpy(C4Ram, local_cx4_data, 8192);
#else
memcpy(Memory.C4RAM, local_cx4_data, 8192);
#endif
}
#ifndef ZSNES_FX
if(local_superfx)
{
UnfreezeStructFromCopy (&GSU, SnapFX, COUNT (SnapFX), local_superfx, version);
GSU.pfPlot = fx_apfPlotTable[GSU.vMode];
GSU.pfRpix = fx_apfPlotTable[GSU.vMode + 5];
}
#endif
#ifndef NGC
if(GFX.Screen)
if(local_screenshot)
{
SnapshotScreenshotInfo *ssi = new SnapshotScreenshotInfo;
UnfreezeStructFromCopy (ssi, SnapScreenshot, COUNT (SnapScreenshot), local_screenshot, version);
IPPU.RenderedScreenWidth = min(ssi->Width, IMAGE_WIDTH);
IPPU.RenderedScreenHeight = min(ssi->Height, IMAGE_HEIGHT);
const bool scaleDownX = IPPU.RenderedScreenWidth < ssi->Width;
const bool scaleDownY = IPPU.RenderedScreenHeight < ssi->Height && ssi->Height > SNES_HEIGHT_EXTENDED;
GFX.DoInterlace = Settings.SupportHiRes ? ssi->Interlaced : 0;
uint8 *rowpix=ssi->Data;
uint16 *screen=GFX.Screen;
for(int y=0; y<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;
}
else
{
// couldn't load graphics, so black out the screen instead
for (uint32 y = 0; y < (uint32)(IMAGE_HEIGHT); y++)
memset(GFX.Screen + y * GFX.RealPPL, 0, GFX.RealPPL*2);
}
#endif
Memory.FixROMSpeed ();
CPU.Flags |= old_flags & (DEBUG_MODE_FLAG | TRACE_FLAG |
SINGLE_STEP_FLAG | FRAME_ADVANCE_FLAG);
IPPU.ColorsChanged = TRUE;
IPPU.OBJChanged = TRUE;
CPU.InDMA = CPU.InHDMA = FALSE;
CPU.InDMAorHDMA = CPU.InWRAMDMAorHDMA = FALSE;
CPU.HDMARanInDMA = 0;
S9xFixColourBrightness ();
IPPU.RenderThisFrame = TRUE; // was FALSE, but for most games it's more useful to see that frame
if (local_apu)
{
if (APU.OldCycles != -99999999)
{
// Must be <= v1.5 savestate
//printf("Older APU Cycles found.\n");
APU.Cycles = (APU.OldCycles << SNES_APU_ACCURACY);
APU.OldCycles = -99999999;
}
S9xSetSoundMute (FALSE);
IAPU.PC = IAPU.RAM + APURegisters.PC;
S9xAPUUnpackStatus ();
IAPU.APUExecuting = TRUE;
if (APUCheckDirectPage ())
IAPU.DirectPage = IAPU.RAM + 0x100;
else
IAPU.DirectPage = IAPU.RAM;
Settings.APUEnabled = TRUE;
}
else
{
Settings.APUEnabled = FALSE;
IAPU.APUExecuting = FALSE;
S9xSetSoundMute (TRUE);
}
if (local_sa1)
{
S9xFixSA1AfterSnapshotLoad ();
SA1.Flags |= sa1_old_flags & (TRACE_FLAG);
}
if (local_spc_rtc)
{
S9xUpdateRTC();
}
if (local_bsx_data)
S9xFixBSXAfterSnapshotLoad();
S9xFixSoundAfterSnapshotLoad (version);
uint8 hdma_byte = Memory.FillRAM[0x420c];
S9xSetCPU(hdma_byte, 0x420c);
if(version<2){
for(int d=0; d<8; d++){
DMA[d].UnknownByte = Memory.FillRAM[0x430b+(d<<4)];
DMA[d].UnusedBit43x0 = (Memory.FillRAM[0x4300+(d<<4)]&0x20)?1:0;
}
PPU.M7HOFS = PPU.BG[0].HOffset;
PPU.M7VOFS = PPU.BG[0].VOffset;
if(!Memory.FillRAM[0x4213]){
// most likely an old savestate
Memory.FillRAM[0x4213]=Memory.FillRAM[0x4201];
if(!Memory.FillRAM[0x4213])
Memory.FillRAM[0x4213]=Memory.FillRAM[0x4201]=0xFF;
}
if(local_apu) APU.Flags = Obsolete.SAPU_Flags;
// FIXME: assuming the old savesate was made outside S9xMainLoop().
// In this case, V=0 and HDMA was already initialized.
CPU.WhichEvent = HC_HDMA_INIT_EVENT;
CPU.NextEvent = Timings.HDMAInit;
S9xReschedule();
}
ICPU.ShiftedPB = Registers.PB << 16;
ICPU.ShiftedDB = Registers.DB << 16;
S9xSetPCBase (Registers.PBPC);
S9xUnpackStatus ();
S9xFixCycles ();
// S9xReschedule (); // <-- this causes desync when recording or playing movies
#ifdef ZSNES_FX
if (Settings.SuperFX)
S9xSuperFXPostLoadState ();
#endif
S9xSRTCPostLoadState ();
if (Settings.SDD1)
S9xSDD1PostLoadState ();
if (version < 5)
{
// This is not correct, it causes desyncs frequently.
// So they have been stored in a snapshot since ver.5.
APU.NextAPUTimerPos = (CPU.Cycles << SNES_APU_ACCURACY);
APU.APUTimerCounter = 0;
}
}
if (local_cpu) delete [] local_cpu;
if (local_registers) delete [] local_registers;
if (local_ppu) delete [] local_ppu;
if (local_dma) delete [] local_dma;
if (local_vram) delete [] local_vram;
if (local_ram) delete [] local_ram;
if (local_sram) delete [] local_sram;
if (local_fillram) delete [] local_fillram;
if (local_apu) delete [] local_apu;
if (local_apu_registers) delete [] local_apu_registers;
if (local_apu_ram) delete [] local_apu_ram;
if (local_apu_sounddata) delete [] local_apu_sounddata;
if (local_sa1) delete [] local_sa1;
if (local_sa1_registers) delete [] local_sa1_registers;
if (local_spc) delete [] local_spc;
if (local_spc_rtc) delete [] local_spc_rtc;
if (local_movie_data) delete [] local_movie_data;
if (local_control_data) delete [] local_control_data;
if (local_timing_data) delete [] local_timing_data;
if (local_bsx_data) delete [] local_bsx_data;
if (local_dsp1) delete [] local_dsp1;
if (local_cx4_data) delete [] local_cx4_data;
if (local_superfx) delete [] local_superfx;
if (local_screenshot) delete [] local_screenshot;
for(int i=0; i<2; i++)
if (local_dummy[i]) delete [] local_dummy[i];
unfreezing_from_stream = false;
return (result);
}
/*****************************************************************/
int FreezeSize (int size, int type)
{
switch (type)
{
case uint16_ARRAY_V:
case uint16_INDIR_ARRAY_V:
return (size * 2);
case uint32_ARRAY_V:
case uint32_INDIR_ARRAY_V:
return (size * 4);
default:
return (size);
}
}
void FreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields,
int num_fields)
{
// Work out the size of the required block
int len = 0;
int i;
int j;
for (i = 0; i < num_fields; i++)
{
if(fields[i].debuted_in > SNAPSHOT_VERSION)
{
fprintf(stderr, "%s[%p]: field has bad debuted_in value %d, > %d.", name, (void *)fields, fields[i].debuted_in, SNAPSHOT_VERSION);
continue;
}
if (SNAPSHOT_VERSION<fields[i].deleted_in)
{
len += FreezeSize (fields[i].size, fields[i].type);
#ifdef DIAGNOSTIC_FREEZING_SUPPORT
if(diagnostic_freezing)
{
if(fields[i].name && *fields[i].name)
len += 1+strlen(fields[i].name)+2;
else
len += 10/*strlen("\nUNKNOWN: ")*/;
}
#endif
}
}
//fprintf(stderr, "%s: freeze size is %d\n", name, len);
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++)
{
if (SNAPSHOT_VERSION>=fields[i].deleted_in) continue;
if (SNAPSHOT_VERSION<fields[i].debuted_in) continue;
#ifdef DIAGNOSTIC_FREEZING_SUPPORT
// if diagnostic_freezing is set, output full field name information too.
// it's already proved useful in tracking down savestate problems, although it renders the state unloadable
if(diagnostic_freezing)
{
if(fields[i].name && *fields[i].name)
{
*ptr++ = '\n';
memcpy(ptr, fields[i].name, strlen(fields[i].name));
ptr += strlen(fields[i].name);
*ptr++ = ':';
*ptr++ = ' ';
}
else
{
memcpy(ptr, "\nUNKNOWN: ", 10);
ptr += 10;
}
}
#endif
uint8 *addr = (uint8 *) base + fields[i].offset;
// determine real address of indirect-type fields
// (where the structure contains a pointer to an array rather than the array itself)
if (fields[i].type == uint8_INDIR_ARRAY_V || fields[i].type == uint16_INDIR_ARRAY_V || fields[i].type == uint32_INDIR_ARRAY_V)
addr = (uint8 *)(*((pint*)addr));
// convert pointer-type saves from absolute to relative pointers
int relativeAddr;
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:
qword = *((int64 *) (addr));
*ptr++ = (uint8) (qword >> 56);
*ptr++ = (uint8) (qword >> 48);
*ptr++ = (uint8) (qword >> 40);
*ptr++ = (uint8) (qword >> 32);
*ptr++ = (uint8) (qword >> 24);
*ptr++ = (uint8) (qword >> 16);
*ptr++ = (uint8) (qword >> 8);
*ptr++ = (uint8) qword;
break;
}
break;
case uint8_ARRAY_V:
case uint8_INDIR_ARRAY_V:
memmove (ptr, addr, fields[i].size);
ptr += fields[i].size;
break;
case uint16_ARRAY_V:
case uint16_INDIR_ARRAY_V:
for (j = 0; j < fields[i].size; j++)
{
word = *((uint16 *) (addr + j * 2));
*ptr++ = (uint8) (word >> 8);
*ptr++ = (uint8) word;
}
break;
case uint32_ARRAY_V:
case uint32_INDIR_ARRAY_V:
for (j = 0; j < fields[i].size; j++)
{
dword = *((uint32 *) (addr + j * 4));
*ptr++ = (uint8) (dword >> 24);
*ptr++ = (uint8) (dword >> 16);
*ptr++ = (uint8) (dword >> 8);
*ptr++ = (uint8) dword;
}
break;
}
}
//fprintf(stderr, "%s: Wrote %d bytes\n", name, ptr-block);
#ifndef NGC
FreezeBlock (stream, name, block, len);
#else
NGCFreezeBlock(name, block, len);
#endif
delete[] block;
}
void FreezeBlock (STREAM stream, char *name, uint8 *block, int size)
{
char buffer [512];
if(size <= 999999) // check if it fits in 6 digits. (letting it go over and using strlen isn't safe)
sprintf (buffer, "%s:%06d:", name, size);
else
{
// to make it fit, pack it in the bytes instead of as digits
sprintf (buffer, "%s:------:", name);
buffer[6] = (unsigned char)((unsigned)size >> 24);
buffer[7] = (unsigned char)((unsigned)size >> 16);
buffer[8] = (unsigned char)((unsigned)size >> 8);
buffer[9] = (unsigned char)((unsigned)size >> 0);
}
buffer[11] = 0;
WRITE_STREAM (buffer, 11, stream);
WRITE_STREAM (block, size, stream);
}
#ifdef NGC
void NGCFreezeStruct()
{
STREAM s = NULL;
FreezeStruct (s,"CPU", &CPU, SnapCPU, COUNT (SnapCPU));
FreezeStruct (s,"REG", &Registers, SnapRegisters, COUNT (SnapRegisters));
FreezeStruct (s,"PPU", &PPU, SnapPPU, COUNT (SnapPPU));
FreezeStruct (s,"DMA", DMA, SnapDMA, COUNT (SnapDMA));
// RAM and VRAM
NGCFreezeBlock ("VRA", Memory.VRAM, 0x10000);
NGCFreezeBlock ("RAM", Memory.RAM, 0x20000);
NGCFreezeBlock ("SRA", Memory.SRAM, 0x20000);
NGCFreezeBlock ("FIL", Memory.FillRAM, 0x8000);
if (Settings.APUEnabled)
{
// APU
FreezeStruct (s,"APU", &APU, SnapAPU, COUNT (SnapAPU));
FreezeStruct (s,"ARE", &APURegisters, SnapAPURegisters,
COUNT (SnapAPURegisters));
NGCFreezeBlock ("ARA", IAPU.RAM, 0x10000);
FreezeStruct (s,"SOU", &SoundData, SnapSoundData,
COUNT (SnapSoundData));
}
// Controls
struct SControlSnapshot ctl_snap;
S9xControlPreSave(&ctl_snap);
FreezeStruct (s,"CTL", &ctl_snap, SnapControls, COUNT (SnapControls));
// Timings
FreezeStruct (s,"TIM", &Timings, SnapTimings, COUNT (SnapTimings));
// Special chips
if (Settings.SA1)
{
S9xSA1PackStatus ();
FreezeStruct (s,"SA1", &SA1, SnapSA1, COUNT (SnapSA1));
FreezeStruct (s,"SAR", &SA1Registers, SnapSA1Registers,
COUNT (SnapSA1Registers));
}
if (Settings.SPC7110)
{
FreezeStruct (s,"SP7", &s7r, SnapSPC7110, COUNT (SnapSPC7110));
}
if (Settings.SPC7110RTC)
{
FreezeStruct (s,"RTC", &rtc_f9, SnapS7RTC, COUNT (SnapS7RTC));
}
// BS
if (Settings.BS)
{
FreezeStruct (s,"BSX", &BSX, SnapBSX, COUNT (SnapBSX));
}
// DSP1 chip
if(Settings.DSP1Master)
{
S9xPreSaveDSP1();
FreezeStruct (s, "DSP", &DSP1, SnapDSP1, COUNT (SnapDSP1));
}
if (Settings.C4)
{
#ifdef ZSNES_C4
extern uint8 *C4Ram;
if (C4Ram)
NGCFreezeBlock ("CX4", C4Ram, 8192);
#else
NGCFreezeBlock ("CX4", Memory.C4RAM, 8192);
#endif
}
#ifndef ZSNES_FX
if (Settings.SuperFX)
FreezeStruct (s, "SFX", &GSU, SnapFX, COUNT (SnapFX));
#endif
}
#endif
/*****************************************************************/
int UnfreezeBlock (STREAM stream, char *name, uint8 *block, int size)
{
#ifndef NGC
char buffer [20];
int len = 0;
int rem = 0;
long rewind = FIND_STREAM(stream);
size_t l = READ_STREAM (buffer, 11, stream);
buffer[l] = 0;
if (l != 11
|| strncmp (buffer, name, 3) != 0
|| buffer[3] != ':')
{
err:
fprintf(stdout, "absent: %s(%d); next: '%.11s'\n", name, size, buffer);
REVERT_STREAM(stream, FIND_STREAM(stream)-l, 0);
return (WRONG_FORMAT);
}
if(buffer[4] == '-')
{
len = (((unsigned char)buffer[6]) << 24)
| (((unsigned char)buffer[7]) << 16)
| (((unsigned char)buffer[8]) << 8)
| (((unsigned char)buffer[9]) << 0);
}
else
{
len = atoi(buffer+4);
}
if(len <= 0) goto err;
if (len > size)
{
rem = len - size;
len = size;
}
ZeroMemory (block, size);
if (READ_STREAM (block, len, stream) != len)
{
REVERT_STREAM(stream, rewind, 0);
return (WRONG_FORMAT);
}
if (rem)
{
char *junk = new char [rem];
len = READ_STREAM (junk, rem, stream);
delete [] junk;
if (len != rem)
{
REVERT_STREAM(stream, rewind, 0);
return (WRONG_FORMAT);
}
}
return (SUCCESS);
#else
return NGCUnFreezeBlock(name, block, size);
#endif
}
int UnfreezeBlockCopy (STREAM stream, char *name, uint8** block, int size)
{
*block = new uint8 [size];
int result;
if ((result = UnfreezeBlock (stream, name, *block, size)) != SUCCESS)
{
delete [] (*block);
*block = NULL;
return (result);
}
return (result);
}
int UnfreezeStruct (STREAM stream, char *name, void *base, FreezeData *fields,
int num_fields, int version)
{
uint8 *block = NULL;
int result;
result = UnfreezeStructCopy (stream, name, &block, fields, num_fields, version);
if (result != SUCCESS)
{
if (block!=NULL) delete [] block;
return result;
}
UnfreezeStructFromCopy (base, fields, num_fields, block, version);
delete [] block;
return SUCCESS;
}
int UnfreezeStructCopy (STREAM stream, char *name, uint8** block, FreezeData *fields, int num_fields, int version)
{
// Work out the size of the required block
int len = 0;
int i;
for (i = 0; i < num_fields; i++)
{
if (version>=fields[i].debuted_in && version<fields[i].deleted_in)
len += FreezeSize (fields[i].size, fields[i].type);
}
//fprintf(stderr, "%s[%p]: unfreeze size is %d\n", name, fields, len);
return (UnfreezeBlockCopy (stream, name, block, len));
}
void UnfreezeStructFromCopy (void *sbase, FreezeData *fields, int num_fields, uint8* block, int version)
{
int i;
int j;
uint8 *ptr = block;
uint16 word;
uint32 dword;
int64 qword;
void *base;
// Unpack the block of data into a C structure
for (i = 0; i < num_fields; i++)
{
if (version<fields[i].debuted_in || version>=fields[i].deleted_in) continue;
base = (SNAPSHOT_VERSION>=fields[i].deleted_in)?((void *)&Obsolete):sbase;
uint8 *addr = (uint8 *) base + fields[i].offset;
// determine real address of indirect-type fields
// (where the structure contains a pointer to an array rather than the array itself)
if (fields[i].type == uint8_INDIR_ARRAY_V || fields[i].type == uint16_INDIR_ARRAY_V || fields[i].type == uint32_INDIR_ARRAY_V)
addr = (uint8 *)(*((pint*)addr));
switch (fields[i].type)
{
case INT_V:
case POINTER_V:
switch (fields[i].size)
{
case 1:
if(fields[i].offset<0){ ptr++; break; }
*(addr) = *ptr++;
break;
case 2:
if(fields[i].offset<0){ ptr+=2; break; }
word = *ptr++ << 8;
word |= *ptr++;
*((uint16 *) (addr)) = word;
break;
case 4:
if(fields[i].offset<0){ ptr+=4; break; }
dword = *ptr++ << 24;
dword |= *ptr++ << 16;
dword |= *ptr++ << 8;
dword |= *ptr++;
*((uint32 *) (addr)) = dword;
break;
case 8:
if(fields[i].offset<0){ ptr+=8; break; }
qword = (int64) *ptr++ << 56;
qword |= (int64) *ptr++ << 48;
qword |= (int64) *ptr++ << 40;
qword |= (int64) *ptr++ << 32;
qword |= (int64) *ptr++ << 24;
qword |= (int64) *ptr++ << 16;
qword |= (int64) *ptr++ << 8;
qword |= (int64) *ptr++;
*((int64 *) (addr)) = qword;
break;
default:
assert(0);
break;
}
break;
case uint8_ARRAY_V:
case uint8_INDIR_ARRAY_V:
if(fields[i].offset>=0)
memmove (addr, ptr, fields[i].size);
ptr += fields[i].size;
break;
case uint16_ARRAY_V:
case uint16_INDIR_ARRAY_V:
if(fields[i].offset<0){ ptr+=fields[i].size*2; break; }
for (j = 0; j < fields[i].size; j++)
{
word = *ptr++ << 8;
word |= *ptr++;
*((uint16 *) (addr + j * 2)) = word;
}
break;
case uint32_ARRAY_V:
case uint32_INDIR_ARRAY_V:
if(fields[i].offset<0){ ptr+=fields[i].size*4; break; }
for (j = 0; j < fields[i].size; j++)
{
dword = *ptr++ << 24;
dword |= *ptr++ << 16;
dword |= *ptr++ << 8;
dword |= *ptr++;
*((uint32 *) (addr + j * 4)) = dword;
}
break;
}
// convert pointer-type saves from relative to absolute pointers
if(fields[i].type == POINTER_V)
{
int relativeAddr = (int)*((pint*)((uint8 *) base + fields[i].offset));
uint8* relativeTo = (uint8*)*((pint*)((uint8 *) base + fields[i].offset2));
*((pint *) (addr)) = (pint)(relativeTo + relativeAddr);
}
}
//fprintf(stderr, "%p: Unfroze %d bytes\n", fields, ptr-block);
}
/*****************************************************************/
extern uint8 spc_dump_dsp[0x100];
bool8 S9xSPCDump (const char *filename)
{
static uint8 header [] = {
'S', 'N', 'E', 'S', '-', 'S', 'P', 'C', '7', '0', '0', ' ',
'S', 'o', 'u', 'n', 'd', ' ', 'F', 'i', 'l', 'e', ' ',
'D', 'a', 't', 'a', ' ', 'v', '0', '.', '3', '0', 26, 26, 26
};
static uint8 version = {
0x1e
};
FILE *fs;
if (!(fs = fopen (filename, "wb")))
return (FALSE);
S9xSetSoundMute (TRUE);
// The SPC file format:
// 0000: header: 'SNES-SPC700 Sound File Data v0.30',26,26,26
// 0036: version: $1e
// 0037: SPC700 PC:
// 0039: SPC700 A:
// 0040: SPC700 X:
// 0041: SPC700 Y:
// 0042: SPC700 P:
// 0043: SPC700 S:
// 0044: Reserved: 0, 0, 0, 0
// 0048: Title of game: 32 bytes
// 0000: Song name: 32 bytes
// 0000: Name of dumper: 32 bytes
// 0000: Comments: 32 bytes
// 0000: Date of SPC dump: 4 bytes
// 0000: Fade out time in milliseconds: 4 bytes
// 0000: Fade out length in milliseconds: 2 bytes
// 0000: Default channel enables: 1 bytes
// 0000: Emulator used to dump .SPC files: 1 byte, 1 == ZSNES
// 0000: Reserved: 36 bytes
// 0256: SPC700 RAM: 64K
// ----: DSP Registers: 256 bytes
if (fwrite (header, sizeof (header), 1, fs) != 1 ||
fputc (version, fs) == EOF ||
fseek (fs, 37, SEEK_SET) == EOF ||
fputc (APURegisters.PC & 0xff, fs) == EOF ||
fputc (APURegisters.PC >> 8, fs) == EOF ||
fputc (APURegisters.YA.B.A, fs) == EOF ||
fputc (APURegisters.X, fs) == EOF ||
fputc (APURegisters.YA.B.Y, fs) == EOF ||
fputc (APURegisters.P, fs) == EOF ||
fputc (APURegisters.S, fs) == EOF ||
fseek (fs, 256, SEEK_SET) == EOF ||
fwrite (IAPU.RAM, 0x10000, 1, fs) != 1 ||
fwrite (spc_dump_dsp, 1, 256, fs) != 256 ||
fwrite (APU.ExtraRAM, 64, 1, fs) != 1 ||
fclose (fs) < 0)
{
S9xSetSoundMute (FALSE);
return (FALSE);
}
S9xSetSoundMute (FALSE);
return (TRUE);
}
bool8 S9xUnfreezeZSNES (const char *filename)
{
FILE *fs;
uint8 t [4000];
if (!(fs = fopen (filename, "rb")))
return (FALSE);
if (fread (t, 64, 1, fs) == 1 &&
strncmp ((char *) t, "ZSNES Save State File V0.6", 26) == 0)
{
S9xReset ();
S9xSetSoundMute (TRUE);
// 28 Curr cycle
CPU.V_Counter = READ_WORD (&t[29]);
// 33 instrset
Settings.APUEnabled = t[36];
// 34 bcycpl cycles per scanline
// 35 cycphb cyclers per hblank
Registers.A.W = READ_WORD (&t[41]);
Registers.DB = t[43];
Registers.PB = t[44];
Registers.S.W = READ_WORD (&t[45]);
Registers.D.W = READ_WORD (&t[47]);
Registers.X.W = READ_WORD (&t[49]);
Registers.Y.W = READ_WORD (&t[51]);
Registers.P.W = READ_WORD (&t[53]);
Registers.PCw = READ_WORD (&t[55]);
fread (t, 1, 8, fs);
fread (t, 1, 3019, fs);
S9xSetCPU (t[2], 0x4200);
Memory.FillRAM [0x4210] = t[3];
PPU.IRQVBeamPos = READ_WORD (&t[4]);
PPU.IRQHBeamPos = READ_WORD (&t[2527]);
PPU.Brightness = t[6];
PPU.ForcedBlanking = t[8] >> 7;
int i;
for (i = 0; i < 544; i++)
S9xSetPPU (t[0464 + i], 0x2104);
PPU.OBJNameBase = READ_WORD (&t[9]);
PPU.OBJNameSelect = READ_WORD (&t[13]) - PPU.OBJNameBase;
switch (t[18])
{
case 4:
if (t[17] == 1)
PPU.OBJSizeSelect = 0;
else
PPU.OBJSizeSelect = 6;
break;
case 16:
if (t[17] == 1)
PPU.OBJSizeSelect = 1;
else
PPU.OBJSizeSelect = 3;
break;
default:
case 64:
if (t[17] == 1)
PPU.OBJSizeSelect = 2;
else
if (t[17] == 4)
PPU.OBJSizeSelect = 4;
else
PPU.OBJSizeSelect = 5;
break;
}
PPU.OAMAddr = READ_WORD (&t[25]);
PPU.SavedOAMAddr = READ_WORD (&t[27]);
PPU.FirstSprite = t[29];
PPU.BGMode = t[30];
PPU.BG3Priority = t[31];
PPU.BG[0].BGSize = (t[32] >> 0) & 1;
PPU.BG[1].BGSize = (t[32] >> 1) & 1;
PPU.BG[2].BGSize = (t[32] >> 2) & 1;
PPU.BG[3].BGSize = (t[32] >> 3) & 1;
PPU.Mosaic = t[33] + 1;
PPU.BGMosaic [0] = (t[34] & 1) != 0;
PPU.BGMosaic [1] = (t[34] & 2) != 0;
PPU.BGMosaic [2] = (t[34] & 4) != 0;
PPU.BGMosaic [3] = (t[34] & 8) != 0;
PPU.BG [0].SCBase = READ_WORD (&t[35]) >> 1;
PPU.BG [1].SCBase = READ_WORD (&t[37]) >> 1;
PPU.BG [2].SCBase = READ_WORD (&t[39]) >> 1;
PPU.BG [3].SCBase = READ_WORD (&t[41]) >> 1;
PPU.BG [0].SCSize = t[67];
PPU.BG [1].SCSize = t[68];
PPU.BG [2].SCSize = t[69];
PPU.BG [3].SCSize = t[70];
PPU.BG[0].NameBase = READ_WORD (&t[71]) >> 1;
PPU.BG[1].NameBase = READ_WORD (&t[73]) >> 1;
PPU.BG[2].NameBase = READ_WORD (&t[75]) >> 1;
PPU.BG[3].NameBase = READ_WORD (&t[77]) >> 1;
PPU.BG[0].HOffset = READ_WORD (&t[79]);
PPU.BG[1].HOffset = READ_WORD (&t[81]);
PPU.BG[2].HOffset = READ_WORD (&t[83]);
PPU.BG[3].HOffset = READ_WORD (&t[85]);
PPU.BG[0].VOffset = READ_WORD (&t[89]);
PPU.BG[1].VOffset = READ_WORD (&t[91]);
PPU.BG[2].VOffset = READ_WORD (&t[93]);
PPU.BG[3].VOffset = READ_WORD (&t[95]);
PPU.VMA.Increment = READ_WORD (&t[97]) >> 1;
PPU.VMA.High = t[99];
#ifndef CORRECT_VRAM_READS
IPPU.FirstVRAMRead = t[100];
#endif
S9xSetPPU (t[2512], 0x2115);
PPU.VMA.Address = READ_DWORD (&t[101]);
for (i = 0; i < 512; i++)
S9xSetPPU (t[1488 + i], 0x2122);
PPU.CGADD = (uint8) READ_WORD (&t[105]);
Memory.FillRAM [0x212c] = t[108];
Memory.FillRAM [0x212d] = t[109];
PPU.ScreenHeight = READ_WORD (&t[111]);
Memory.FillRAM [0x2133] = t[2526];
Memory.FillRAM [0x4202] = t[113];
Memory.FillRAM [0x4204] = t[114];
Memory.FillRAM [0x4205] = t[115];
Memory.FillRAM [0x4214] = t[116];
Memory.FillRAM [0x4215] = t[117];
Memory.FillRAM [0x4216] = t[118];
Memory.FillRAM [0x4217] = t[119];
PPU.VBeamPosLatched = READ_WORD (&t[122]);
PPU.HBeamPosLatched = READ_WORD (&t[120]);
PPU.Window1Left = t[127];
PPU.Window1Right = t[128];
PPU.Window2Left = t[129];
PPU.Window2Right = t[130];
S9xSetPPU (t[131] | (t[132] << 4), 0x2123);
S9xSetPPU (t[133] | (t[134] << 4), 0x2124);
S9xSetPPU (t[135] | (t[136] << 4), 0x2125);
S9xSetPPU (t[137], 0x212a);
S9xSetPPU (t[138], 0x212b);
S9xSetPPU (t[139], 0x212e);
S9xSetPPU (t[140], 0x212f);
S9xSetPPU (t[141], 0x211a);
PPU.MatrixA = READ_WORD (&t[142]);
PPU.MatrixB = READ_WORD (&t[144]);
PPU.MatrixC = READ_WORD (&t[146]);
PPU.MatrixD = READ_WORD (&t[148]);
PPU.CentreX = READ_WORD (&t[150]);
PPU.CentreY = READ_WORD (&t[152]);
PPU.M7HOFS = PPU.BG[0].HOffset;
PPU.M7VOFS = PPU.BG[0].VOffset;
// JoyAPos t[154]
// JoyBPos t[155]
Memory.FillRAM [0x2134] = t[156]; // Matrix mult
Memory.FillRAM [0x2135] = t[157]; // Matrix mult
Memory.FillRAM [0x2136] = t[158]; // Matrix mult
PPU.WRAM = READ_DWORD (&t[161]);
for (i = 0; i < 128; i++)
S9xSetCPU (t[165 + i], 0x4300 + i);
if (t[294])
CPU.IRQActive |= PPU_V_BEAM_IRQ_SOURCE | PPU_H_BEAM_IRQ_SOURCE;
S9xSetCPU (t[296], 0x420c);
// hdmadata t[297] + 8 * 19
PPU.FixedColourRed = t[450];
PPU.FixedColourGreen = t[451];
PPU.FixedColourBlue = t[452];
S9xSetPPU (t[454], 0x2130);
S9xSetPPU (t[455], 0x2131);
// vraminctype ...
fread (Memory.RAM, 1, 128 * 1024, fs);
fread (Memory.VRAM, 1, 64 * 1024, fs);
if (Settings.APUEnabled)
{
// SNES SPC700 RAM (64K)
fread (IAPU.RAM, 1, 64 * 1024, fs);
// Junk 16 bytes
fread (t, 1, 16, fs);
// SNES SPC700 state and internal ZSNES SPC700 emulation state
fread (t, 1, 304, fs);
APURegisters.PC = READ_DWORD (&t[0]);
APURegisters.YA.B.A = t[4];
APURegisters.X = t[8];
APURegisters.YA.B.Y = t[12];
APURegisters.P = t[16];
APURegisters.S = t[24];
APU.Cycles = READ_DWORD (&t[32]) << SNES_APU_ACCURACY;
APU.ShowROM = (IAPU.RAM [0xf1] & 0x80) != 0;
APU.OutPorts [0] = t[36];
APU.OutPorts [1] = t[37];
APU.OutPorts [2] = t[38];
APU.OutPorts [3] = t[39];
APU.TimerEnabled [0] = (t[40] & 1) != 0;
APU.TimerEnabled [1] = (t[40] & 2) != 0;
APU.TimerEnabled [2] = (t[40] & 4) != 0;
S9xSetAPUTimer (0xfa, t[41]);
S9xSetAPUTimer (0xfb, t[42]);
S9xSetAPUTimer (0xfc, t[43]);
APU.Timer [0] = t[44];
APU.Timer [1] = t[45];
APU.Timer [2] = t[46];
memmove (APU.ExtraRAM, &t[48], 64);
// Internal ZSNES sound DSP state
fread (t, 1, 1068, fs);
// SNES sound DSP register values
fread (t, 1, 256, fs);
uint8 saved = IAPU.RAM [0xf2];
for (i = 0; i < 128; i++)
{
switch (i)
{
case APU_KON:
case APU_KOFF:
break;
case APU_FLG:
t[i] &= ~APU_SOFT_RESET;
default:
IAPU.RAM [0xf2] = i;
S9xSetAPUDSP (t[i]);
break;
}
}
IAPU.RAM [0xf2] = APU_KON;
S9xSetAPUDSP (t[APU_KON]);
IAPU.RAM [0xf2] = saved;
S9xSetSoundMute (FALSE);
IAPU.PC = IAPU.RAM + APURegisters.PC;
S9xAPUUnpackStatus ();
if (APUCheckDirectPage ())
IAPU.DirectPage = IAPU.RAM + 0x100;
else
IAPU.DirectPage = IAPU.RAM;
Settings.APUEnabled = TRUE;
IAPU.APUExecuting = TRUE;
}
else
{
Settings.APUEnabled = FALSE;
IAPU.APUExecuting = FALSE;
S9xSetSoundMute (TRUE);
}
if (Settings.SuperFX)
{
fread (Memory.SRAM, 1, 64 * 1024, fs);
fseek (fs, 64 * 1024, SEEK_CUR);
fread (Memory.FillRAM + 0x7000, 1, 692, fs);
}
if (Settings.SA1)
{
fread (t, 1, 2741, fs);
S9xSetSA1 (t[4], 0x2200); // Control
S9xSetSA1 (t[12], 0x2203); // ResetV low
S9xSetSA1 (t[13], 0x2204); // ResetV hi
S9xSetSA1 (t[14], 0x2205); // NMI low
S9xSetSA1 (t[15], 0x2206); // NMI hi
S9xSetSA1 (t[16], 0x2207); // IRQ low
S9xSetSA1 (t[17], 0x2208); // IRQ hi
S9xSetSA1 (((READ_DWORD (&t[28]) - (4096*1024-0x6000))) >> 13, 0x2224);
S9xSetSA1 (t[36], 0x2201);
S9xSetSA1 (t[41], 0x2209);
SA1Registers.A.W = READ_DWORD (&t[592]);
SA1Registers.X.W = READ_DWORD (&t[596]);
SA1Registers.Y.W = READ_DWORD (&t[600]);
SA1Registers.D.W = READ_DWORD (&t[604]);
SA1Registers.DB = t[608];
SA1Registers.PB = t[612];
SA1Registers.S.W = READ_DWORD (&t[616]);
SA1Registers.PCw = READ_DWORD (&t[636]);
SA1Registers.P.W = t[620] | (t[624] << 8);
memmove (&Memory.FillRAM [0x3000], t + 692, 2 * 1024);
fread (Memory.SRAM, 1, 64 * 1024, fs);
fseek (fs, 64 * 1024, SEEK_CUR);
S9xFixSA1AfterSnapshotLoad ();
}
if(Settings.SPC7110)
{
uint32 temp;
fread(&s7r.bank50, 1,0x10000, fs);
//NEWSYM SPCMultA, dd 0 4820-23
fread(&temp, 1, 4, fs);
s7r.reg4820=temp&(0x0FF);
s7r.reg4821=(temp>>8)&(0x0FF);
s7r.reg4822=(temp>>16)&(0x0FF);
s7r.reg4823=(temp>>24)&(0x0FF);
//NEWSYM SPCMultB, dd 0 4824-5
fread(&temp, 1,4,fs);
s7r.reg4824=temp&(0x0FF);
s7r.reg4825=(temp>>8)&(0x0FF);
//NEWSYM SPCDivEnd, dd 0 4826-7
fread(&temp, 1,4,fs);
s7r.reg4826=temp&(0x0FF);
s7r.reg4827=(temp>>8)&(0x0FF);
//NEWSYM SPCMulRes, dd 0 4828-B
fread(&temp, 1, 4, fs);
s7r.reg4828=temp&(0x0FF);
s7r.reg4829=(temp>>8)&(0x0FF);
s7r.reg482A=(temp>>16)&(0x0FF);
s7r.reg482B=(temp>>24)&(0x0FF);
//NEWSYM SPCDivRes, dd 0 482C-D
fread(&temp, 1,4,fs);
s7r.reg482C=temp&(0x0FF);
s7r.reg482D=(temp>>8)&(0x0FF);
//NEWSYM SPC7110BankA, dd 020100h 4831-3
fread(&temp, 1, 4, fs);
s7r.reg4831=temp&(0x0FF);
s7r.reg4832=(temp>>8)&(0x0FF);
s7r.reg4833=(temp>>16)&(0x0FF);
//NEWSYM SPC7110RTCStat, dd 0 4840,init,command, index
fread(&temp, 1, 4, fs);
s7r.reg4840=temp&(0x0FF);
//NEWSYM SPC7110RTC, db 00,00,00,00,00,00,01,00,01,00,00,00,00,00,0Fh,00
fread(&temp, 1, 4, fs);
if(Settings.SPC7110RTC)
{
rtc_f9.reg[0]=temp&(0x0FF);
rtc_f9.reg[1]=(temp>>8)&(0x0FF);
rtc_f9.reg[2]=(temp>>16)&(0x0FF);
rtc_f9.reg[3]=(temp>>24)&(0x0FF);
}
fread(&temp, 1, 4, fs);
if(Settings.SPC7110RTC)
{
rtc_f9.reg[4]=temp&(0x0FF);
rtc_f9.reg[5]=(temp>>8)&(0x0FF);
rtc_f9.reg[6]=(temp>>16)&(0x0FF);
rtc_f9.reg[7]=(temp>>24)&(0x0FF);
}
fread(&temp, 1, 4, fs);
if(Settings.SPC7110RTC)
{
rtc_f9.reg[8]=temp&(0x0FF);
rtc_f9.reg[9]=(temp>>8)&(0x0FF);
rtc_f9.reg[10]=(temp>>16)&(0x0FF);
rtc_f9.reg[11]=(temp>>24)&(0x0FF);
}
fread(&temp, 1, 4, fs);
if(Settings.SPC7110RTC)
{
rtc_f9.reg[12]=temp&(0x0FF);
rtc_f9.reg[13]=(temp>>8)&(0x0FF);
rtc_f9.reg[14]=(temp>>16)&(0x0FF);
rtc_f9.reg[15]=(temp>>24)&(0x0FF);
}
//NEWSYM SPC7110RTCB, db 00,00,00,00,00,00,01,00,01,00,00,00,00,01,0Fh,06
fread(&temp, 1, 4, fs);
fread(&temp, 1, 4, fs);
fread(&temp, 1, 4, fs);
fread(&temp, 1, 4, fs);
//NEWSYM SPCROMPtr, dd 0 4811-4813
fread(&temp, 1, 4, fs);
s7r.reg4811=temp&(0x0FF);
s7r.reg4812=(temp>>8)&(0x0FF);
s7r.reg4813=(temp>>16)&(0x0FF);
//NEWSYM SPCROMtoI, dd SPCROMPtr
fread(&temp, 1, 4, fs);
//NEWSYM SPCROMAdj, dd 0 4814-5
fread(&temp, 1, 4, fs);
s7r.reg4814=temp&(0x0FF);
s7r.reg4815=(temp>>8)&(0x0FF);
//NEWSYM SPCROMInc, dd 0 4816-7
fread(&temp, 1, 4, fs);
s7r.reg4816=temp&(0x0FF);
s7r.reg4817=(temp>>8)&(0x0FF);
//NEWSYM SPCROMCom, dd 0 4818
fread(&temp, 1, 4, fs);
s7r.reg4818=temp&(0x0FF);
//NEWSYM SPCCompPtr, dd 0 4801-4804 (+b50i) if"manual"
fread(&temp, 1, 4, fs);
//do table check
s7r.reg4801=temp&(0x0FF);
s7r.reg4802=(temp>>8)&(0x0FF);
s7r.reg4803=(temp>>16)&(0x0FF);
s7r.reg4804=(temp>>24)&(0x0FF);
///NEWSYM SPCDecmPtr, dd 0 4805-6 +b50i
fread(&temp, 1, 4, fs);
s7r.reg4805=temp&(0x0FF);
s7r.reg4806=(temp>>8)&(0x0FF);
//NEWSYM SPCCompCounter, dd 0 4809-A
fread(&temp, 1, 4, fs);
s7r.reg4809=temp&(0x0FF);
s7r.reg480A=(temp>>8)&(0x0FF);
//NEWSYM SPCCompCommand, dd 0 480B
fread(&temp, 1, 4, fs);
s7r.reg480B=temp&(0x0FF);
//NEWSYM SPCCheckFix, dd 0 written(if 1, then set writtne to max value!)
fread(&temp, 1, 4, fs);
(temp&(0x0FF))?s7r.written=0x1F:s7r.written=0x00;
//NEWSYM SPCSignedVal, dd 0 482E
fread(&temp, 1, 4, fs);
s7r.reg482E=temp&(0x0FF);
}
fclose (fs);
Memory.FixROMSpeed ();
IPPU.ColorsChanged = TRUE;
IPPU.OBJChanged = TRUE;
CPU.InDMAorHDMA = CPU.InWRAMDMAorHDMA = FALSE;
S9xFixColourBrightness ();
IPPU.RenderThisFrame = FALSE;
S9xFixSoundAfterSnapshotLoad (1);
ICPU.ShiftedPB = Registers.PB << 16;
ICPU.ShiftedDB = Registers.DB << 16;
S9xSetPCBase (Registers.PBPC);
S9xUnpackStatus ();
S9xFixCycles ();
S9xReschedule ();
#ifdef ZSNES_FX
if (Settings.SuperFX)
S9xSuperFXPostLoadState ();
#endif
return (TRUE);
}
fclose (fs);
return (FALSE);
}
Reference in New Issue View Git Blame Copy Permalink