+++ /dev/null
-/*
- * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
- *
- * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
- * Jerremy Koot (jkoot@snes9x.com)
- *
- * Super FX C emulator code
- * (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
- * Gary Henderson.
- * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
- *
- * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
- * C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
- * C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
- *
- * DOS port code 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
-
-EXTERN_C bool8_32 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_32 BranchSkip;
- bool8_32 NMIActive;
- bool8_32 IRQActive;
- bool8_32 WaitingForInterrupt;
- bool8_32 InDMA;
- uint8 WhichEvent;
- uint8 *PC;
- uint8 *PCBase;
- uint16 MemSpeed_old;
- uint16 MemSpeedx2_old;
- uint16 FastROMSpeed_old;
- bool8_32 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_32 ShowROM;
- uint8 Flags;
- uint8 KeyedChannels;
- uint8 OutPorts [4];
- uint8 DSP [0x80];
- uint8 ExtraRAM [64];
- uint16 Timer [3];
- uint16 TimerTarget [3];
- bool8_32 TimerEnabled [3];
- bool8_32 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_32 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_32 last_block;
- bool8_32 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_32 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_32 ThroughMain;
- bool8_32 ThroughSub;
- uint8 BGSize;
- uint16 NameBase;
- uint16 SCSize;
- bool8_32 Addition;
- } BG [4];
-
- bool8_32 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_32 ForcedBlanking;
- bool8_32 OBJThroughMain;
- bool8_32 OBJThroughSub;
- uint8 OBJSizeSelect;
- uint8 OBJNameSelect_old;
- uint16 OBJNameBase;
- bool8_32 OBJAddition;
- uint8 OAMReadFlip;
- uint8 OAMData [512 + 32];
- bool8_32 VTimerEnabled;
- bool8_32 HTimerEnabled;
- short HTimerPosition;
- uint8 Mosaic;
- bool8_32 BGMosaic [4];
- bool8_32 Mode7HFlip;
- bool8_32 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_32 ClipWindow1Inside [6];
- bool8_32 ClipWindow2Inside [6];
- bool8_32 RecomputeClipWindows;
- uint8 CGFLIPRead;
- uint16 OBJNameSelect;
- bool8_32 Need16x8Mulitply;
- uint8 Joypad3ButtonReadPos;
- uint8 MouseSpeed[2];
-};
-
-struct SOrigDMA {
- bool8_32 TransferDirection;
- bool8_32 AAddressFixed;
- bool8_32 AAddressDecrement;
- uint8 TransferMode;
-
- uint8 ABank;
- uint16 AAddress;
- uint16 Address;
- uint8 BAddress;
-
- // General DMA only:
- uint16 TransferBytes;
-
- // H-DMA only:
- bool8_32 HDMAIndirectAddressing;
- uint16 IndirectAddress;
- uint8 IndirectBank;
- uint8 Repeat;
- uint8 LineCount;
- uint8 FirstLine;
- bool8_32 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
projects / drnoksnes / blobdiff