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snes9xgx/source/snes9x/unused/snaporig.h
dborth 785190f0b6 upgrade to snes9x 1.51
2008-09-10 05:57:37 +00:00

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/**********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 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.
**********************************************************************************/
#ifndef _SNAPORIG_H_
#define _SNAPORIG_H_
#define ORIG_SNAPSHOT_MAGIC "#!snes96"
#define ORIG_SNAPSHOT_VERSION 4
EXTERN_C bool8 S9xLoadOrigSnapshot (const char *filename);
struct SOrigCPUState{
uint32 Flags;
short Cycles_old;
short NextEvent_old;
uint8 CurrentFrame;
uint8 FastROMSpeed_old_old;
uint16 V_Counter_old;
bool8 BranchSkip;
bool8 NMIActive;
bool8 IRQActive;
bool8 WaitingForInterrupt;
bool8 InDMAorHDMA;
uint8 WhichEvent;
uint8 *PC;
uint8 *PCBase;
uint16 MemSpeed_old;
uint16 MemSpeedx2_old;
uint16 FastROMSpeed_old;
bool8 FastDP;
uint8 *PCAtOpcodeStart;
uint8 *WaitAddress;
uint32 WaitCounter;
int32 Cycles;
int32 NextEvent;
int32 V_Counter;
int32 MemSpeed;
int32 MemSpeedx2;
int32 FastROMSpeed;
};
struct SOrigAPU
{
uint32 Cycles;
bool8 ShowROM;
uint8 Flags;
uint8 KeyedChannels;
uint8 OutPorts [4];
uint8 DSP [0x80];
uint8 ExtraRAM [64];
uint16 Timer [3];
uint16 TimerTarget [3];
bool8 TimerEnabled [3];
bool8 TimerValueWritten [3];
};
typedef union
{
#ifdef LSB_FIRST
struct { uint8 A, Y; } B;
#else
struct { uint8 Y, A; } B;
#endif
uint16 W;
} OrigYAndA;
struct SOrigAPURegisters{
uint8 P;
OrigYAndA YA;
uint8 X;
uint8 S;
uint16 PC;
};
#define ORIG_MAX_BUFFER_SIZE (1024 * 4)
#define NUM_CHANNELS 8
typedef struct {
int32 state;
int32 type;
short volume_left;
short volume_right;
uint32 frequency;
uint32 count;
signed short wave [ORIG_MAX_BUFFER_SIZE];
bool8 loop;
int32 envx;
short left_vol_level;
short right_vol_level;
short envx_target;
uint32 env_error;
uint32 erate;
int32 direction;
uint32 attack_rate;
uint32 decay_rate;
uint32 sustain_rate;
uint32 release_rate;
uint32 sustain_level;
signed short sample;
signed short decoded [16];
signed short previous [2];
uint16 sample_number;
bool8 last_block;
bool8 needs_decode;
uint32 block_pointer;
uint32 sample_pointer;
int32 *echo_buf_ptr;
int32 mode;
uint32 dummy [8];
} OrigChannel;
typedef struct
{
short master_volume_left;
short master_volume_right;
short echo_volume_left;
short echo_volume_right;
int32 echo_enable;
int32 echo_feedback;
int32 echo_ptr;
int32 echo_buffer_size;
int32 echo_write_enabled;
int32 echo_channel_enable;
int32 pitch_mod;
// Just incase they are needed in the future, for snapshot compatibility.
uint32 dummy [3];
OrigChannel channels [NUM_CHANNELS];
} SOrigSoundData;
struct SOrigOBJ
{
short HPos;
uint16 VPos;
uint16 Name;
uint8 VFlip;
uint8 HFlip;
uint8 Priority;
uint8 Palette;
uint8 Size;
uint8 Prev;
uint8 Next;
};
struct SOrigPPU {
uint8 BGMode;
uint8 BG3Priority;
uint8 Brightness;
struct {
bool8 High;
uint8 Increment;
uint16 Address;
uint16 Mask1;
uint16 FullGraphicCount;
uint16 Shift;
} VMA;
struct {
uint8 TileSize;
uint16 TileAddress;
uint8 Width;
uint8 Height;
uint16 SCBase;
uint16 VOffset;
uint16 HOffset;
bool8 ThroughMain;
bool8 ThroughSub;
uint8 BGSize;
uint16 NameBase;
uint16 SCSize;
bool8 Addition;
} BG [4];
bool8 CGFLIP;
uint16 CGDATA [256];
uint8 FirstSprite;
uint8 LastSprite;
struct SOrigOBJ OBJ [129];
uint8 OAMPriorityRotation;
uint16 OAMAddr;
uint8 OAMFlip;
uint16 OAMTileAddress;
uint16 IRQVBeamPos;
uint16 IRQHBeamPos;
uint16 VBeamPosLatched;
uint16 HBeamPosLatched;
uint8 HBeamFlip;
uint8 VBeamFlip;
uint8 HVBeamCounterLatched;
short MatrixA;
short MatrixB;
short MatrixC;
short MatrixD;
short CentreX;
short CentreY;
uint8 Joypad1ButtonReadPos;
uint8 Joypad2ButtonReadPos;
uint8 CGADD;
uint8 FixedColourRed;
uint8 FixedColourGreen;
uint8 FixedColourBlue;
uint16 SavedOAMAddr;
uint16 ScreenHeight;
uint32 WRAM;
uint8 BG_Forced;
bool8 ForcedBlanking;
bool8 OBJThroughMain;
bool8 OBJThroughSub;
uint8 OBJSizeSelect;
uint8 OBJNameSelect_old;
uint16 OBJNameBase;
bool8 OBJAddition;
uint8 OAMReadFlip;
uint8 OAMData [512 + 32];
bool8 VTimerEnabled;
bool8 HTimerEnabled;
short HTimerPosition;
uint8 Mosaic;
bool8 BGMosaic [4];
bool8 Mode7HFlip;
bool8 Mode7VFlip;
uint8 Mode7Repeat;
uint8 Window1Left;
uint8 Window1Right;
uint8 Window2Left;
uint8 Window2Right;
uint8 ClipCounts [6];
uint8 ClipLeftEdges [3][6];
uint8 ClipRightEdges [3][6];
uint8 ClipWindowOverlapLogic [6];
uint8 ClipWindow1Enable [6];
uint8 ClipWindow2Enable [6];
bool8 ClipWindow1Inside [6];
bool8 ClipWindow2Inside [6];
bool8 RecomputeClipWindows;
uint8 CGFLIPRead;
uint16 OBJNameSelect;
bool8 Need16x8Mulitply;
uint8 Joypad3ButtonReadPos;
uint8 MouseSpeed[2];
};
struct SOrigDMA {
bool8 ReverseTransfer;
bool8 AAddressFixed;
bool8 AAddressDecrement;
uint8 TransferMode;
uint8 ABank;
uint16 AAddress;
uint16 Address;
uint8 BAddress;
// General DMA only:
uint16 TransferBytes;
// H-DMA only:
bool8 HDMAIndirectAddressing;
uint16 IndirectAddress;
uint8 IndirectBank;
uint8 Repeat;
uint8 LineCount;
uint8 FirstLine;
bool8 JustStarted;
};
typedef union
{
#ifdef LSB_FIRST
struct { uint8 l,h; } B;
#else
struct { uint8 h,l; } B;
#endif
uint16 W;
} OrigPair;
struct SOrigRegisters{
uint8 DB;
OrigPair P;
OrigPair A;
OrigPair D;
OrigPair S;
OrigPair X;
OrigPair Y;
PC_t PC;
};
#endif
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