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CATSFC/source/snes9x.h
Nebuleon Fumika 7d788578b2 Initial 8-bit sound commit. For the lulz!
2013-01-20 22:26:24 -05:00

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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 _SNES9X_H_
#define _SNES9X_H_
#define VERSION "1.43-dev"
#include <stdio.h>
#include <stdlib.h>
#include "fs_api.h"
#include "ds2_malloc.h"
#ifdef __cplusplus
extern "C" {
#endif
extern int cprintf(const char *fmt, ...);
#ifdef __cplusplus
}
#endif
#ifdef __WIN32__
#include "..\wsnes9x.h"
#include "..\zlib\zlib.h"
#endif
#include "language.h"
#include "port.h"
#include "65c816.h"
#include "messages.h"
#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 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 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
/* SNES screen width and height */
#define SNES_WIDTH 256
#define SNES_HEIGHT 224
#define SNES_HEIGHT_EXTENDED 239
#define IMAGE_WIDTH (Settings.SupportHiRes ? SNES_WIDTH * 2 : SNES_WIDTH)
#define IMAGE_HEIGHT (Settings.SupportHiRes ? SNES_HEIGHT_EXTENDED * 2 : SNES_HEIGHT_EXTENDED)
#define SNES_MAX_NTSC_VCOUNTER 262
#define SNES_MAX_PAL_VCOUNTER 312
#define SNES_HCOUNTER_MAX 342
#define SPC700_TO_65C816_RATIO 2
#define AUTO_FRAMERATE 200
/* NTSC master clock signal 21.47727MHz
* PPU: master clock / 4
* 1 / PPU clock * 342 -> 63.695us
* 63.695us / (1 / 3.579545MHz) -> 228 cycles per scanline
* From Earth Worm Jim: APU executes an average of 65.14285714 cycles per
* scanline giving an APU clock speed of 1.022731096MHz */
/* PAL master clock signal 21.28137MHz
* PPU: master clock / 4
* 1 / PPU clock * 342 -> 64.281us
* 64.281us / (1 / 3.546895MHz) -> 228 cycles per scanline. */
#define SNES_SCANLINE_TIME (63.695e-6)
#define SNES_CLOCK_SPEED (3579545)
#define SNES_CLOCK_LEN (1.0 / SNES_CLOCK_SPEED)
#define SNES_CYCLES_PER_SCANLINE ((uint32) ((SNES_SCANLINE_TIME / SNES_CLOCK_LEN) * 6 + 0.5))
#define ONE_CYCLE 6
#define SLOW_ONE_CYCLE 8
#define TWO_CYCLES 12
#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)
enum {
SNES_MULTIPLAYER5,
SNES_JOYPAD,
SNES_MOUSE_SWAPPED,
SNES_MOUSE,
SNES_SUPERSCOPE,
SNES_JUSTIFIER,
SNES_JUSTIFIER_2,
SNES_MAX_CONTROLLER_OPTIONS
};
#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_PENDING_FLAG (1 << 11)
struct SCPUState{
uint32 Flags;
bool8 BranchSkip;
bool8 NMIActive;
bool8 IRQActive;
bool8 WaitingForInterrupt;
bool8 InDMA;
uint8 WhichEvent;
uint8 *PC;
uint8 *PCBase;
uint8 *PCAtOpcodeStart;
uint8 *WaitAddress;
uint32 WaitCounter;
long Cycles;
long NextEvent;
long V_Counter;
long MemSpeed;
long MemSpeedx2;
long FastROMSpeed;
uint32 AutoSaveTimer;
bool8 SRAMModified;
uint32 NMITriggerPoint;
bool8 BRKTriggered;
bool8 TriedInterleavedMode2;
uint32 NMICycleCount;
uint32 IRQCycleCount;
#ifdef DEBUG_MAXCOUNT
unsigned long GlobalLoopCount;
#endif
};
#define HBLANK_START_EVENT 0
#define HBLANK_END_EVENT 1
#define HTIMER_BEFORE_EVENT 2
#define HTIMER_AFTER_EVENT 3
#define NO_EVENT 4
struct SSettings{
/* CPU options */
bool8 APUEnabled;
bool8 Shutdown;
uint8 SoundSkipMethod;
long H_Max;
long HBlankStart;
long CyclesPercentage;
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 SwapJoypads;
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 MultiPlayer5;
bool8 Mouse;
bool8 SuperScope;
bool8 SRTC;
uint32 ControllerOption;
bool8 ShutdownMaster;
bool8 MultiPlayer5Master;
bool8 SuperScopeMaster;
bool8 MouseMaster;
bool8 SuperFX;
bool8 DSP1Master;
bool8 SA1;
bool8 C4;
bool8 SDD1;
bool8 SPC7110;
bool8 SPC7110RTC;
bool8 OBC1;
/* Sound options */
uint32 SoundPlaybackRate;
bool8 TraceSoundDSP;
#ifndef FOREVER_STEREO
bool8 Stereo;
#endif
#ifndef FOREVER_FORWARD_STEREO
bool8 ReverseStereo;
#endif
#ifndef FOREVER_16_BIT_SOUND
bool8 SixteenBitSound;
#endif
bool8 EightBitConsoleSound; // due to caching, this needs S9xSetEightBitConsoleSound()
int SoundBufferSize;
int SoundMixInterval;
bool8 SoundEnvelopeHeightReading;
bool8 DisableSoundEcho;
bool8 DisableMasterVolume;
bool8 SoundSync;
bool8 InterpolatedSound;
bool8 ThreadSound;
bool8 Mute;
bool8 NextAPUEnabled;
uint8 AltSampleDecode;
bool8 FixFrequency;
/* Graphics options */
#ifndef FOREVER_16_BIT
bool8 SixteenBit;
#endif
bool8 Transparency;
bool8 SupportHiRes;
bool8 Mode7Interpolate;
/* SNES graphics options */
bool8 BGLayering;
bool8 DisableGraphicWindows;
bool8 ForceTransparency;
bool8 ForceNoTransparency;
bool8 DisableHDMA;
bool8 DisplayFrameRate;
bool8 DisableRangeTimeOver; /* XXX: unused */
/* 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;
uint32 TurboSkipFrames;
uint32 AutoMaxSkipFrames;
/* Fixes for individual games */
bool8 StarfoxHack;
bool8 WinterGold;
bool8 BS; /* Japanese Satellite System games. */
bool8 DaffyDuck;
uint8 APURAMInitialValue;
bool8 SampleCatchup;
bool8 JustifierMaster;
bool8 Justifier;
bool8 SecondJustifier;
int8 SETA;
bool8 TakeScreenshot;
int8 StretchScreenshots;
uint16 DisplayColor;
int SoundDriver;
int AIDOShmId;
bool8 SDD1Pack;
bool8 NoPatch;
bool8 ForceInterleaveGD24;
#ifdef DEBUG_MAXCOUNT
unsigned int MaxCount;
#endif
};
struct SSNESGameFixes
{
uint8 alienVSpredetorFix;
uint8 APU_OutPorts_ReturnValueFix;
uint8 SoundEnvelopeHeightReading2;
uint8 SRAMInitialValue;
uint8 Uniracers;
bool8 EchoOnlyOutput;
};
START_EXTERN_C
extern struct SSettings Settings;
extern struct SCPUState CPU;
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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