mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-24 03:29:22 +01:00
531 lines
15 KiB
C
531 lines
15 KiB
C
/**********************************************************************************
|
|
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
|
|
|