1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
|
/*
* Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
*
* (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
* Jerremy Koot (jkoot@snes9x.com)
*
* Super FX C emulator code
* (c) Copyright 1997 - 1999 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.
* C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
* C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
*
* DOS port code 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 "1.39"
#include <stdio.h>
#include <stdlib.h>
#ifdef __WIN32__
#include "..\wsnes9x.h"
#include "..\zlib\zlib.h"
#endif
#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 __LIBRETRO__
#include "../libretro/memstream.h"
#define STREAM memstream_t *
#define READ_STREAM(p, l, s) memstream_read(s, p, l)
#define WRITE_STREAM(p, l, s) memstream_write(s, p, l)
#define OPEN_STREAM(f, m) memstream_open()
#define CLOSE_STREAM(s) memstream_close(s)
#define SEEK_STREAM(p,r,s) memstream_seek(p,r,s)
#elif defined(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)
#define SEEK_STREAM(p,r,s) gzseek(s,p,r)
#else
#ifdef __GP32__
#define STREAM long * //F_HANDLE *
#define READ_STREAM(p,l,s) gp32_fread ((unsigned char*)p,(long)l,s)
#define WRITE_STREAM(p,l,s) gp32_fwrite ((unsigned char*)p,(long)l,s)
#define OPEN_STREAM(f,m) gp32_fopen ((char*)f,(char*)m)
#define CLOSE_STREAM(s) gp32_fclose (s)
#define SEEK_STREAM(p,r,s) gp32_fseek(p,r,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)
#define SEEK_STREAM(p,r,s) fseek(s,p,r)
#define FROM_CURRENT SEEK_CUR
#endif
#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
#define PPU_IGNORE_FIXEDCOLCHANGES (1<<0)
#define PPU_IGNORE_WINDOW (1<<1)
#define PPU_IGNORE_ADDSUB (1<<2)
#define PPU_IGNORE_PALWRITE (1<<3)
#define GFX_IGNORE_OBJ (1<<4)
#define GFX_IGNORE_BG0 (1<<5)
#define GFX_IGNORE_BG1 (1<<6)
#define GFX_IGNORE_BG2 (1<<7)
#define GFX_IGNORE_BG3 (1<<8)
// 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_APUTIMER2_CYCLEx10000 ((uint32) 3355824)
#ifdef VAR_CYCLES
//#define SNES_CYCLES_PER_SCANLINE ((uint32) ((SNES_SCANLINE_TIME / SNES_CLOCK_LEN) * 6 + 0.5))
#define SNES_CYCLES_PER_SCANLINE ((uint32)(228*6))
#else
//#define SNES_CYCLES_PER_SCANLINE ((uint32) (SNES_SCANLINE_TIME / SNES_CLOCK_LEN + 0.5))
#define SNES_CYCLES_PER_SCANLINE ((uint32)(228))
#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_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)
#ifdef VAR_CYCLES
#define ONE_CYCLE 6
#define SLOW_ONE_CYCLE 8
#define TWO_CYCLES 12
#else
#define ONE_CYCLE 1
#define SLOW_ONE_CYCLE 1
#define TWO_CYCLES 2
#endif
#undef MEMMAP_BLOCK_SIZE
#define MEMMAP_BLOCK_SIZE (0x1000)
#undef MEMMAP_NUM_BLOCKS
#define MEMMAP_NUM_BLOCKS (0x1000000 / MEMMAP_BLOCK_SIZE)
struct SCPUState{
uint32 Flags; //0
bool8 BranchSkip; //4
bool8 NMIActive; //5
bool8 IRQActive; //6
bool8 WaitingForInterrupt; //7
struct SRegisters Regs; //8
//uint8 PB; //8 --> status
//uint8 DB; //9
//pair P; //10
//pair A; //12
//pair D; //14
//pair X; //16
//pair S; //18
//pair Y; //20
//uint16 PC; //22
uint8 *PC; //24
int32 Cycles; //28
uint8 *PCBase; //32
uint8 *PCAtOpcodeStart; //36
uint8 *WaitAddress; //40
uint32 WaitCounter; //44
volatile int32 NextEvent; //48
int32 V_Counter; //52
int32 MemSpeed; //56
int32 MemSpeedx2; //60
int32 FastROMSpeed; //64
uint32 AutoSaveTimer; //68
uint32 NMITriggerPoint; //72
uint32 NMICycleCount; //76
uint32 IRQCycleCount; //80
bool8 InDMA; //84
uint8 WhichEvent; //85
bool8 SRAMModified; //86
bool8 BRKTriggered; //87
uint32 _ARM_asm_reserved_1; //88 to stock current jmp table
bool8 TriedInterleavedMode2; //92
bool8 _ARM_asm_padding1[3]; //93
uint8* Memory_Map; //96
uint8* Memory_WriteMap; //100
uint32* Memory_MemorySpeed; //104
uint8* Memory_BlockIsRAM; //108
uint8* Memory_SRAM; //112
uint8* Memory_BWRAM; //116
uint32 Memory_SRAMMask; //120
bool32 APU_APUExecuting; //124
bool32 _ARM_asm_padding2; //128
uint32 _PALMSOS_R9; //132
uint32 _PALMSOS_R10; //136
volatile int32 APU_Cycles; //140 notaz
void *DSPGet;
void *DSPSet;
int32 rstatus;
};
#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;
// 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;
// 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 InterpolatedSound;
bool8 ThreadSound;
bool8 Mute;
// bool8 NextAPUEnabled;
uint8 AltSampleDecode;
bool8 FixFrequency;
// Graphics options
bool8 SixteenBit;
bool8 Transparency;
bool8 SupportHiRes;
bool8 Mode7Interpolate;
// SNES graphics options
bool8 BGLayering;
bool8 DisableGraphicWindows;
bool8 ForceTransparency;
bool8 ForceNoTransparency;
bool8 DisableHDMA;
bool8 DisplayFrameRate;
// 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;
uint32 os9x_hack;
// Fixes for individual games
uint32 StrikeGunnerOffsetHack;
bool8 ChuckRock;
bool8 StarfoxHack;
bool8 WinterGold;
bool8 Dezaemon;
bool8 WrestlemaniaArcade;
bool8 BS; // Japanese Satellite System games.
bool8 DaffyDuck;
uint8 APURAMInitialValue;
bool8 SDD1Pack;
bool8 asmspc700;
bool8 SpeedHacks;
#ifdef __WIN32__
int SoundDriver;
#endif
};
struct SSNESGameFixes
{
uint8 NeedInit0x2137;
uint8 umiharakawaseFix;
uint8 alienVSpredetorFix;
uint8 APU_OutPorts_ReturnValueFix;
uint8 Old_Read0x4200;
uint8 _0x213E_ReturnValue;
uint8 TouhaidenControllerFix;
uint8 SoundEnvelopeHeightReading2;
uint8 SRAMInitialValue;
uint8 Uniracers;
uint8 Flintstones;
uint8 Mode7Hack;
};
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
|
