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/*
* Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
*
* (c) Copyright 1996, 1997, 1998 Gary Henderson (gary@daniver.demon.co.uk) and
* Jerremy Koot (jkoot@snes9x.com)
*
* Super FX C emulator code
* (c) Copyright 1997, 1998 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.
* DOS port code contains the works of other authors. See headers in
* individual files.
*
* Snes9x homepage: 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.
*/
/**********************************************************************************************/
/* snes9x.h */
/* This file contains all the global definitions needed by several .CPP files */
/**********************************************************************************************/
#ifndef _SNES9X_H_
#define _SNES9X_H_
#define VERSION "1.16a"
#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#include "..\Snes9X.h"
#include "..\zlib\zlib.h"
#endif
#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 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 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 340
#define SPC700_TO_65C816_RATIO 2
#define AUTO_FRAMERATE 200
#ifdef VAR_CYCLES
#define SNES_CYCLES_PER_SCANLINE ((uint16) (63.5e-6 / (1 / 3580000.0)) * 6)
#else
#define SNES_CYCLES_PER_SCANLINE ((uint16) (63.5e-6 / (1 / 3580000.0)))
#endif
#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_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)
#ifdef VAR_CYCLES
#define ONE_CYCLE 6
#define TWO_CYCLES 12
#else
#define ONE_CYCLE 1
#define TWO_CYCLES 2
#endif
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;
};
#define HBLANK_START_EVENT 0
#define HBLANK_END_EVENT 1
#define HTIMER_EVENT 2
#define NO_EVENT 3
struct SSettings{
// CPU options
bool8 APUEnabled;
bool8 Shutdown;
uint8 SoundSkipMethod;
long H_Max;
long HBlankStart;
uint32 SPCTo65c816Ratio;
bool8 DisableIRQ;
uint8 Paused;
bool8 BattleToadsNMIHack;
// 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 MultiPlayer5;
bool8 Mouse;
bool8 SuperScope;
uint32 ControllerOption;
bool8 MultiPlayer5Master;
bool8 SuperScopeMaster;
bool8 MouseMaster;
bool8 SuperFX;
bool8 DSP1Master;
// Sound options
bool8 TraceSoundDSP;
uint8 SoundPlaybackRate;
bool8 Stereo;
int SoundBufferSize;
bool8 SoundEnvelopeHeightReading;
bool8 DisableSoundEcho;
bool8 DisableSampleCaching;
bool8 DisableMasterVolume;
// Graphics options
bool8 SixteenBit;
bool8 Transparency;
bool8 SupportHiRes;
// SNES graphics options
bool8 BGLayering;
bool8 DisableGraphicWindows;
bool8 ForceTransparency;
bool8 ForceNoTransparency;
bool8 DisableHDMA;
bool8 DisplayFrameRate;
// Others
bool8 NetPlay;
char ServerName [128];
int Port;
};
START_EXTERN_C
extern struct SSettings Settings;
extern struct SCPUState CPU;
extern char String [513];
void S9xExit ();
void S9xMessage (int type, int number, const char *message);
END_EXTERN_C
#endif
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