mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-12-30 13:11:50 +01:00
43e3b79937
Commit "Snes9x - SFX: Make SFX2 1/3 faster than 1.59.2." fixes the SuperFX2 speed for Yoshi's Island but it broke the speed for other SuperFX2 games. This hack will correct that.
347 lines
8.3 KiB
C
347 lines
8.3 KiB
C
/*****************************************************************************\
|
|
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
|
|
This file is licensed under the Snes9x License.
|
|
For further information, consult the LICENSE file in the root directory.
|
|
\*****************************************************************************/
|
|
|
|
#ifndef _SNES9X_H_
|
|
#define _SNES9X_H_
|
|
|
|
#ifndef VERSION
|
|
#define VERSION "1.60"
|
|
#endif
|
|
|
|
#include "port.h"
|
|
#include "65c816.h"
|
|
#include "messages.h"
|
|
|
|
#ifdef ZLIB
|
|
#include <zlib.h>
|
|
#define FSTREAM gzFile
|
|
#define READ_FSTREAM(p, l, s) gzread(s, p, l)
|
|
#define WRITE_FSTREAM(p, l, s) gzwrite(s, p, l)
|
|
#define GETS_FSTREAM(p, l, s) gzgets(s, p, l)
|
|
#define GETC_FSTREAM(s) gzgetc(s)
|
|
#define OPEN_FSTREAM(f, m) gzopen(f, m)
|
|
#define REOPEN_FSTREAM(f, m) gzdopen(f, m)
|
|
#define FIND_FSTREAM(f) gztell(f)
|
|
#define REVERT_FSTREAM(s, o, p) gzseek(s, o, p)
|
|
#define CLOSE_FSTREAM(s) gzclose(s)
|
|
#else
|
|
#define FSTREAM FILE *
|
|
#define READ_FSTREAM(p, l, s) fread(p, 1, l, s)
|
|
#define WRITE_FSTREAM(p, l, s) fwrite(p, 1, l, s)
|
|
#define GETS_FSTREAM(p, l, s) fgets(p, l, s)
|
|
#define GETC_FSTREAM(s) fgetc(s)
|
|
#define OPEN_FSTREAM(f, m) fopen(f, m)
|
|
#define REOPEN_FSTREAM(f, m) fdopen(f, m)
|
|
#define FIND_FSTREAM(s) ftell(s)
|
|
#define REVERT_FSTREAM(s, o, p) fseek(s, o, p)
|
|
#define CLOSE_FSTREAM(s) fclose(s)
|
|
#endif
|
|
|
|
#include "stream.h"
|
|
|
|
#define STREAM Stream *
|
|
#define READ_STREAM(p, l, s) s->read(p,l)
|
|
#define WRITE_STREAM(p, l, s) s->write(p,l)
|
|
#define GETS_STREAM(p, l, s) s->gets(p,l)
|
|
#define GETC_STREAM(s) s->get_char()
|
|
#define OPEN_STREAM(f, m) openStreamFromFSTREAM(f, m)
|
|
#define REOPEN_STREAM(f, m) reopenStreamFromFd(f, m)
|
|
#define FIND_STREAM(s) s->pos()
|
|
#define REVERT_STREAM(s, o, p) s->revert(p, o)
|
|
#define CLOSE_STREAM(s) s->closeStream()
|
|
|
|
#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 21477272.727272 // 21477272 + 8/11 exact
|
|
#define PAL_MASTER_CLOCK 21281370.0
|
|
|
|
#define SNES_MAX_NTSC_VCOUNTER 262
|
|
#define SNES_MAX_PAL_VCOUNTER 312
|
|
#define SNES_HCOUNTER_MAX 341
|
|
|
|
#ifdef GEKKO
|
|
#define ONE_CYCLE (Settings.OneClockCycle)
|
|
#define SLOW_ONE_CYCLE (Settings.OneSlowClockCycle)
|
|
#define TWO_CYCLES (Settings.TwoClockCycles)
|
|
#endif
|
|
|
|
#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 (128 * ONE_DOT_CYCLE) // FIXME: Snes9x renders a line at a time.
|
|
|
|
#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) // debugger
|
|
#define TRACE_FLAG (1 << 1) // debugger
|
|
#define SINGLE_STEP_FLAG (1 << 2) // debugger
|
|
#define BREAK_FLAG (1 << 3) // debugger
|
|
#define SCAN_KEYS_FLAG (1 << 4) // CPU
|
|
#define HALTED_FLAG (1 << 12) // APU
|
|
#define FRAME_ADVANCE_FLAG (1 << 9)
|
|
|
|
#define ROM_NAME_LEN 23
|
|
#define AUTO_FRAMERATE 200
|
|
|
|
struct SCPUState
|
|
{
|
|
uint32 Flags;
|
|
int32 Cycles;
|
|
int32 PrevCycles;
|
|
int32 V_Counter;
|
|
uint8 *PCBase;
|
|
bool8 NMIPending;
|
|
bool8 IRQLine;
|
|
bool8 IRQTransition;
|
|
bool8 IRQLastState;
|
|
bool8 IRQExternal;
|
|
int32 IRQPending;
|
|
int32 MemSpeed;
|
|
int32 MemSpeedx2;
|
|
int32 FastROMSpeed;
|
|
bool8 InDMA;
|
|
bool8 InHDMA;
|
|
bool8 InDMAorHDMA;
|
|
bool8 InWRAMDMAorHDMA;
|
|
uint8 HDMARanInDMA;
|
|
int32 CurrentDMAorHDMAChannel;
|
|
uint8 WhichEvent;
|
|
int32 NextEvent;
|
|
bool8 WaitingForInterrupt;
|
|
uint32 AutoSaveTimer;
|
|
bool8 SRAMModified;
|
|
};
|
|
|
|
enum
|
|
{
|
|
HC_HBLANK_START_EVENT = 1,
|
|
HC_HDMA_START_EVENT = 2,
|
|
HC_HCOUNTER_MAX_EVENT = 3,
|
|
HC_HDMA_INIT_EVENT = 4,
|
|
HC_RENDER_EVENT = 5,
|
|
HC_WRAM_REFRESH_EVENT = 6
|
|
};
|
|
|
|
enum
|
|
{
|
|
IRQ_NONE = 0x0,
|
|
IRQ_SET_FLAG = 0x1,
|
|
IRQ_CLEAR_FLAG = 0x2,
|
|
IRQ_TRIGGER_NMI = 0x4
|
|
};
|
|
|
|
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 NextIRQTimer;
|
|
int32 IRQTriggerCycles;
|
|
int32 WRAMRefreshPos;
|
|
int32 RenderPos;
|
|
bool8 InterlaceField;
|
|
int32 DMACPUSync; // The cycles to synchronize DMA and CPU. Snes9x cannot emulate correctly.
|
|
int32 NMIDMADelay; // The delay of NMI trigger after DMA transfers. Snes9x cannot emulate correctly.
|
|
int32 IRQFlagChanging; // This value is just a hack.
|
|
int32 APUSpeedup;
|
|
bool8 APUAllowTimeOverflow;
|
|
#ifdef GEKKO
|
|
int32 SuperFX2CoreSpeed; // Make the SuperFX2 Core Speed adjustable
|
|
#endif
|
|
};
|
|
|
|
struct SSettings
|
|
{
|
|
bool8 TraceDMA;
|
|
bool8 TraceHDMA;
|
|
bool8 TraceVRAM;
|
|
bool8 TraceUnknownRegisters;
|
|
bool8 TraceDSP;
|
|
bool8 TraceHCEvent;
|
|
bool8 TraceSMP;
|
|
|
|
bool8 SuperFX;
|
|
uint8 DSP;
|
|
bool8 SA1;
|
|
bool8 C4;
|
|
bool8 SDD1;
|
|
bool8 SPC7110;
|
|
bool8 SPC7110RTC;
|
|
bool8 OBC1;
|
|
uint8 SETA;
|
|
bool8 SRTC;
|
|
bool8 BS;
|
|
bool8 BSXItself;
|
|
bool8 BSXBootup;
|
|
bool8 MSU1;
|
|
bool8 MouseMaster;
|
|
bool8 SuperScopeMaster;
|
|
bool8 JustifierMaster;
|
|
bool8 MultiPlayer5Master;
|
|
bool8 MacsRifleMaster;
|
|
|
|
bool8 ForceLoROM;
|
|
bool8 ForceHiROM;
|
|
bool8 ForceHeader;
|
|
bool8 ForceNoHeader;
|
|
bool8 ForceInterleaved;
|
|
bool8 ForceInterleaved2;
|
|
bool8 ForceInterleaveGD24;
|
|
bool8 ForceNotInterleaved;
|
|
bool8 ForcePAL;
|
|
bool8 ForceNTSC;
|
|
bool8 PAL;
|
|
uint32 FrameTimePAL;
|
|
uint32 FrameTimeNTSC;
|
|
uint32 FrameTime;
|
|
|
|
bool8 SoundSync;
|
|
bool8 SixteenBitSound;
|
|
uint32 SoundPlaybackRate;
|
|
uint32 SoundInputRate;
|
|
bool8 Stereo;
|
|
bool8 ReverseStereo;
|
|
bool8 Mute;
|
|
bool8 DynamicRateControl;
|
|
int32 InterpolationMethod;
|
|
|
|
bool8 SupportHiRes;
|
|
bool8 Transparency;
|
|
uint8 BG_Forced;
|
|
bool8 DisableGraphicWindows;
|
|
|
|
bool8 DisplayTime;
|
|
bool8 DisplayFrameRate;
|
|
bool8 DisplayWatchedAddresses;
|
|
bool8 DisplayPressedKeys;
|
|
bool8 DisplayMovieFrame;
|
|
bool8 AutoDisplayMessages;
|
|
uint32 InitialInfoStringTimeout;
|
|
uint16 DisplayColor;
|
|
bool8 BilinearFilter;
|
|
|
|
bool8 Multi;
|
|
char CartAName[PATH_MAX + 1];
|
|
char CartBName[PATH_MAX + 1];
|
|
|
|
bool8 DisableGameSpecificHacks;
|
|
bool8 BlockInvalidVRAMAccessMaster;
|
|
bool8 BlockInvalidVRAMAccess;
|
|
int32 HDMATimingHack;
|
|
|
|
bool8 ForcedPause;
|
|
bool8 Paused;
|
|
bool8 StopEmulation;
|
|
|
|
uint32 SkipFrames;
|
|
uint32 TurboSkipFrames;
|
|
uint32 AutoMaxSkipFrames;
|
|
bool8 TurboMode;
|
|
uint32 HighSpeedSeek;
|
|
bool8 FrameAdvance;
|
|
bool8 Rewinding;
|
|
|
|
bool8 NetPlay;
|
|
bool8 NetPlayServer;
|
|
char ServerName[128];
|
|
int Port;
|
|
|
|
bool8 MovieTruncate;
|
|
bool8 MovieNotifyIgnored;
|
|
bool8 WrongMovieStateProtection;
|
|
bool8 DumpStreams;
|
|
int DumpStreamsMaxFrames;
|
|
|
|
bool8 TakeScreenshot;
|
|
int8 StretchScreenshots;
|
|
bool8 SnapshotScreenshots;
|
|
char InitialSnapshotFilename[PATH_MAX + 1];
|
|
bool8 FastSavestates;
|
|
|
|
bool8 ApplyCheats;
|
|
bool8 NoPatch;
|
|
bool8 IgnorePatchChecksum;
|
|
bool8 IsPatched;
|
|
int32 AutoSaveDelay;
|
|
bool8 DontSaveOopsSnapshot;
|
|
bool8 UpAndDown;
|
|
|
|
bool8 OpenGLEnable;
|
|
float SuperFXSpeedPerLine;
|
|
|
|
bool8 SeparateEchoBuffer;
|
|
uint32 SuperFXClockMultiplier;
|
|
int OverclockMode;
|
|
int OneClockCycle;
|
|
int OneSlowClockCycle;
|
|
int TwoClockCycles;
|
|
int MaxSpriteTilesPerLine;
|
|
};
|
|
|
|
struct SSNESGameFixes
|
|
{
|
|
uint8 SRAMInitialValue;
|
|
uint8 Uniracers;
|
|
};
|
|
|
|
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);
|
|
void S9xClearPause(uint32);
|
|
void S9xExit(void);
|
|
void S9xMessage(int, int, const char *);
|
|
|
|
extern struct SSettings Settings;
|
|
extern struct SCPUState CPU;
|
|
extern struct STimings Timings;
|
|
extern struct SSNESGameFixes SNESGameFixes;
|
|
extern char String[513];
|
|
|
|
#endif
|