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-/*******************************************************************************
- 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.
-*******************************************************************************/
-#ifndef _SNAPORIG_H_
-#define _SNAPORIG_H_
-
-#define ORIG_SNAPSHOT_MAGIC "#!snes96"
-#define ORIG_SNAPSHOT_VERSION 4
-
-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 InDMA;
- uint8 WhichEvent;
- uint8* PC;
- uint8* PCBase;
- uint16 MemSpeed_old;
- uint16 MemSpeedx2_old;
- uint16 FastROMSpeed_old;
- bool8 FastDP;
- uint8* PCAtOpcodeStart;
- uint8* WaitAddress;
- uint32 WaitCounter;
- long Cycles;
- long NextEvent;
- long V_Counter;
- long MemSpeed;
- long MemSpeedx2;
- long 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
-{
- int state;
- int type;
- short volume_left;
- short volume_right;
- int frequency;
- int count;
- signed short wave [ORIG_MAX_BUFFER_SIZE];
- bool8 loop;
- int envx;
- short left_vol_level;
- short right_vol_level;
- short envx_target;
- unsigned long int env_error;
- unsigned long erate;
- int direction;
- unsigned long attack_rate;
- unsigned long decay_rate;
- unsigned long sustain_rate;
- unsigned long release_rate;
- unsigned long 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;
- int* echo_buf_ptr;
- int mode;
- uint32 dummy [8];
-} OrigChannel;
-
-typedef struct
-{
- short master_volume_left;
- short master_volume_right;
- short echo_volume_left;
- short echo_volume_right;
- int echo_enable;
- int echo_feedback;
- int echo_ptr;
- int echo_buffer_size;
- int echo_write_enabled;
- int echo_channel_enable;
- int 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 TransferDirection;
- 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 PB;
- uint8 DB;
- OrigPair P;
- OrigPair A;
- OrigPair D;
- OrigPair S;
- OrigPair X;
- OrigPair Y;
- uint16 PC;
-};
-
-#endif
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 15:54:13 +0000