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snes9xgx/source/snes9x/snes9x.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 _SNES9X_H_
#define _SNES9X_H_
#define VERSION "1.51"
#include <stdio.h>
#include <stdlib.h>
#ifdef __WIN32__
#include <windows.h>
#ifdef ZLIB
#include <zlib.h>
#endif
#endif
//#include "language.h" // files should include this as needed, no need to recompile practically everything when it changes
#include "port.h"
#include "65c816.h"
#include "messages.h"
#if defined(USE_GLIDE) && !defined(GFX_MULTI_FORMAT)
#define GFX_MULTI_FORMAT
#endif
#define ROM_NAME_LEN 23
#ifdef ZLIB
#ifndef __WIN32__
#include <zlib.h>
#endif
#define STREAM gzFile
#define READ_STREAM(p,l,s) gzread (s,p,l)
#define WRITE_STREAM(p,l,s) gzwrite (s,p,l)
#define GETS_STREAM(p,l,s) gzgets(s,p,l)
#define GETC_STREAM(s) gzgetc(s)
#define OPEN_STREAM(f,m) gzopen (f,m)
#define REOPEN_STREAM(f,m) gzdopen (f,m)
#define FIND_STREAM(f) gztell(f)
#define REVERT_STREAM(f,o,s) gzseek(f,o,s)
#define CLOSE_STREAM(s) gzclose (s)
#else
#define STREAM FILE *
#define READ_STREAM(p,l,s) fread (p,1,l,s)
#define WRITE_STREAM(p,l,s) fwrite (p,1,l,s)
#define GETS_STREAM(p,l,s) fgets(p,l,s)
#define GETC_STREAM(s) fgetc(s)
#define OPEN_STREAM(f,m) fopen (f,m)
#define REOPEN_STREAM(f,m) fdopen (f,m)
#define FIND_STREAM(f) ftell(f)
#define REVERT_STREAM(f,o,s) fseek(f,o,s)
#define CLOSE_STREAM(s) fclose (s)
#endif
#define SNES_WIDTH 256
#define SNES_HEIGHT 224
#define SNES_HEIGHT_EXTENDED 239
#define MAX_SNES_WIDTH (SNES_WIDTH * 2)
#define MAX_SNES_HEIGHT (SNES_HEIGHT_EXTENDED * 2)
#define IMAGE_WIDTH (Settings.SupportHiRes ? MAX_SNES_WIDTH : SNES_WIDTH)
#define IMAGE_HEIGHT (Settings.SupportHiRes ? MAX_SNES_HEIGHT : SNES_HEIGHT_EXTENDED)
#define NTSC_MASTER_CLOCK 21477272.0
#define PAL_MASTER_CLOCK 21281370.0
#define SNES_MAX_NTSC_VCOUNTER 262
#define SNES_MAX_PAL_VCOUNTER 312
#define SNES_HCOUNTER_MAX 341
#define ONE_CYCLE 6
#define SLOW_ONE_CYCLE 8
#define TWO_CYCLES 12
#define ONE_DOT_CYCLE 4
#define SNES_CYCLES_PER_SCANLINE (SNES_HCOUNTER_MAX * ONE_DOT_CYCLE)
#define SNES_SCANLINE_TIME (SNES_CYCLES_PER_SCANLINE / NTSC_MASTER_CLOCK)
#define SNES_WRAM_REFRESH_HC_v1 530
#define SNES_WRAM_REFRESH_HC_v2 538
#define SNES_WRAM_REFRESH_CYCLES 40
#define SNES_HBLANK_START_HC 1096 // H=274
#define SNES_HDMA_START_HC 1106 // FIXME: not true
#define SNES_HBLANK_END_HC 4 // H=1
#define SNES_HDMA_INIT_HC 20 // FIXME: not true
#define SNES_RENDER_START_HC (48 * ONE_DOT_CYCLE) // FIXME: Snes9x renders a line at a time.
#define SNES_APU_CLOCK 1024000.0 // 1026900.0?
#define SNES_APU_ACCURACY 10
#define SNES_APU_ONE_CYCLE_SCALED ((int32) (NTSC_MASTER_CLOCK / SNES_APU_CLOCK * (1 << SNES_APU_ACCURACY)))
#define SNES_APUTIMER2_CYCLE_SCALED ((int32) (NTSC_MASTER_CLOCK / 64000.0 * (1 << SNES_APU_ACCURACY)))
#define AUTO_FRAMERATE 200
#define SNES_TR_MASK (1 << 4)
#define SNES_TL_MASK (1 << 5)
#define SNES_X_MASK (1 << 6)
#define SNES_A_MASK (1 << 7)
#define SNES_RIGHT_MASK (1 << 8)
#define SNES_LEFT_MASK (1 << 9)
#define SNES_DOWN_MASK (1 << 10)
#define SNES_UP_MASK (1 << 11)
#define SNES_START_MASK (1 << 12)
#define SNES_SELECT_MASK (1 << 13)
#define SNES_Y_MASK (1 << 14)
#define SNES_B_MASK (1 << 15)
#define DEBUG_MODE_FLAG (1 << 0)
#define TRACE_FLAG (1 << 1)
#define SINGLE_STEP_FLAG (1 << 2)
#define BREAK_FLAG (1 << 3)
#define SCAN_KEYS_FLAG (1 << 4)
#define SAVE_SNAPSHOT_FLAG (1 << 5)
#define DELAYED_NMI_FLAG (1 << 6)
#define NMI_FLAG (1 << 7)
#define PROCESS_SOUND_FLAG (1 << 8)
#define FRAME_ADVANCE_FLAG (1 << 9)
#define DELAYED_NMI_FLAG2 (1 << 10)
#define IRQ_FLAG (1 << 11)
#define HALTED_FLAG (1 << 12)
struct SCPUState{
uint32 Flags;
bool8 BranchSkip;
bool8 NMIActive;
bool8 IRQActive;
bool8 WaitingForInterrupt;
bool8 InDMAorHDMA;
bool8 InWRAMDMAorHDMA;
uint8 WhichEvent;
uint8 *PCBase;
uint32 PBPCAtOpcodeStart;
uint32 WaitAddress;
uint32 WaitCounter;
int32 Cycles;
int32 NextEvent;
int32 V_Counter;
int32 MemSpeed;
int32 MemSpeedx2;
int32 FastROMSpeed;
uint32 AutoSaveTimer;
bool8 SRAMModified;
bool8 BRKTriggered;
bool8 TriedInterleavedMode2;
int32 IRQPending;
bool8 InDMA;
bool8 InHDMA;
uint8 HDMARanInDMA;
int32 PrevCycles;
};
struct STimings {
int32 H_Max_Master;
int32 H_Max;
int32 V_Max_Master;
int32 V_Max;
int32 HBlankStart;
int32 HBlankEnd;
int32 HDMAInit;
int32 HDMAStart;
int32 NMITriggerPos;
int32 WRAMRefreshPos;
int32 RenderPos;
bool8 InterlaceField;
int32 DMACPUSync;
};
enum {
HC_HBLANK_START_EVENT = 1,
HC_IRQ_1_3_EVENT = 2,
HC_HDMA_START_EVENT = 3,
HC_IRQ_3_5_EVENT = 4,
HC_HCOUNTER_MAX_EVENT = 5,
HC_IRQ_5_7_EVENT = 6,
HC_HDMA_INIT_EVENT = 7,
HC_IRQ_7_9_EVENT = 8,
HC_RENDER_EVENT = 9,
HC_IRQ_9_A_EVENT = 10,
HC_WRAM_REFRESH_EVENT = 11,
HC_IRQ_A_1_EVENT = 12
};
struct SSettings{
/* CPU options */
bool8 APUEnabled;
bool8 Shutdown;
uint8 SoundSkipMethod;
int32 HDMATimingHack;
bool8 DisableIRQ;
bool8 Paused;
bool8 ForcedPause;
bool8 StopEmulation;
bool8 FrameAdvance;
/* Tracing options */
bool8 TraceDMA;
bool8 TraceHDMA;
bool8 TraceVRAM;
bool8 TraceUnknownRegisters;
bool8 TraceDSP;
/* Joystick options */
bool8 JoystickEnabled;
/* ROM timing options (see also H_Max above) */
bool8 ForcePAL;
bool8 ForceNTSC;
bool8 PAL;
uint32 FrameTimePAL;
uint32 FrameTimeNTSC;
uint32 FrameTime;
uint32 SkipFrames;
/* ROM image options */
bool8 ForceLoROM;
bool8 ForceHiROM;
bool8 ForceHeader;
bool8 ForceNoHeader;
bool8 ForceInterleaved;
bool8 ForceInterleaved2;
bool8 ForceNotInterleaved;
/* Peripherial options */
bool8 ForceSuperFX;
bool8 ForceNoSuperFX;
bool8 ForceDSP1;
bool8 ForceNoDSP1;
bool8 ForceSA1;
bool8 ForceNoSA1;
bool8 ForceC4;
bool8 ForceNoC4;
bool8 ForceSDD1;
bool8 ForceNoSDD1;
bool8 SRTC;
bool8 ShutdownMaster;
bool8 MultiPlayer5Master;
bool8 SuperScopeMaster;
bool8 MouseMaster;
bool8 JustifierMaster;
bool8 SuperFX;
bool8 DSP1Master;
bool8 SA1;
bool8 C4;
bool8 SDD1;
bool8 SPC7110;
bool8 SPC7110RTC;
bool8 OBC1;
/* Sound options */
uint32 SoundPlaybackRate;
bool8 TraceSoundDSP;
bool8 Stereo;
bool8 ReverseStereo;
bool8 SixteenBitSound;
int SoundBufferSize;
int SoundMixInterval;
bool8 SoundEnvelopeHeightReading;
bool8 DisableSoundEcho;
bool8 DisableSampleCaching;
bool8 DisableMasterVolume;
bool8 SoundSync;
bool8 FakeMuteFix;
bool8 InterpolatedSound;
bool8 ThreadSound;
bool8 Mute;
bool8 NextAPUEnabled;
uint8 AltSampleDecode;
bool8 FixFrequency;
/* Graphics options */
bool8 Transparency;
bool8 SupportHiRes;
bool8 Mode7Interpolate; // no longer used?
bool8 AutoDisplayMessages;
uint8 BG_Forced;
bool8 SnapshotScreenshots;
uint32 InitialInfoStringTimeout; // Messages normally display for this many frames
/* SNES graphics options */
bool8 BGLayering;
bool8 DisableGraphicWindows;
bool8 ForceTransparency;
bool8 ForceNoTransparency;
bool8 DisableHDMA;
bool8 DisplayFrameRate;
bool8 DisableRangeTimeOver; /* XXX: unused */
bool8 DisplayWatchedAddresses;
/* Multi ROMs */
bool8 Multi;
char CartAName[_MAX_PATH + 1];
char CartBName[_MAX_PATH + 1];
/* Others */
bool8 NetPlay;
bool8 NetPlayServer;
char ServerName [128];
int Port;
bool8 GlideEnable;
bool8 OpenGLEnable;
int32 AutoSaveDelay; /* Time in seconds before S-RAM auto-saved if modified. */
bool8 ApplyCheats;
bool8 TurboMode;
bool8 OldTurbo;
bool8 UpAndDown;
uint8 DisplayPressedKeys; // The value indicates how to do it.
uint32 HighSpeedSeek;
uint32 TurboSkipFrames;
uint32 AutoMaxSkipFrames;
bool8 MovieTruncate;
bool8 MovieNotifyIgnored;
bool8 WrongMovieStateProtection;
/* Fixes for individual games */
bool8 WinterGold;
bool8 BS; /* Japanese Satellite System games. */
bool8 BSXItself;
bool8 BSXBootup;
uint8 APURAMInitialValue;
bool8 SampleCatchup;
int8 SETA;
bool8 BlockInvalidVRAMAccess;
bool8 TakeScreenshot;
int8 StretchScreenshots;
uint16 DisplayColor;
int SoundDriver;
int AIDOShmId;
bool8 SDD1Pack;
bool8 NoPatch;
bool8 ForceInterleaveGD24;
};
struct SSNESGameFixes
{
uint8 APU_OutPorts_ReturnValueFix;
uint8 SRAMInitialValue;
uint8 Uniracers;
};
START_EXTERN_C
extern struct SSettings Settings;
extern struct SCPUState CPU;
extern struct STimings Timings;
extern struct SSNESGameFixes SNESGameFixes;
extern char String [513];
void S9xExit ();
void S9xMessage (int type, int number, const char *message);
void S9xLoadSDD1Data ();
END_EXTERN_C
enum {
PAUSE_NETPLAY_CONNECT = (1 << 0),
PAUSE_TOGGLE_FULL_SCREEN = (1 << 1),
PAUSE_EXIT = (1 << 2),
PAUSE_MENU = (1 << 3),
PAUSE_INACTIVE_WINDOW = (1 << 4),
PAUSE_WINDOW_ICONISED = (1 << 5),
PAUSE_RESTORE_GUI = (1 << 6),
PAUSE_FREEZE_FILE = (1 << 7)
};
void S9xSetPause (uint32 mask);
void S9xClearPause (uint32 mask);
#endif
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