c62d2810 |
1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
15300263 |
4 | * Copyright (C) 1998 BERO |
c62d2810 |
5 | * Copyright (C) 2002 Ben Parnell |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | * |
12 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU General Public License |
18 | * along with this program; if not, write to the Free Software |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 | */ |
21 | |
22 | #include <string.h> |
23 | #include <stdio.h> |
24 | #include <stdlib.h> |
25 | |
26 | #include "types.h" |
27 | #include "x6502.h" |
28 | #include "fce.h" |
29 | #include "sound.h" |
30 | #include "svga.h" |
31 | #include "netplay.h" |
32 | #include "general.h" |
33 | #include "endian.h" |
34 | #include "version.h" |
35 | #include "memory.h" |
36 | |
37 | #include "cart.h" |
38 | #include "nsf.h" |
39 | #include "fds.h" |
40 | #include "ines.h" |
41 | #include "unif.h" |
42 | #include "cheat.h" |
43 | |
44 | #include "state.h" |
45 | #include "video.h" |
46 | #include "input.h" |
47 | #include "file.h" |
48 | #include "crc32.h" |
5232c20c |
49 | #include "ppu.h" |
c62d2810 |
50 | |
51 | #define Pal (PALRAM) |
52 | |
5232c20c |
53 | |
92e249b1 |
54 | #ifdef DEBUG_ASM_6502 |
55 | extern int cpu_repeat; |
56 | extern int cpu_lastval; |
57 | #endif |
58 | |
4a1bf31b |
59 | static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL; |
c62d2810 |
60 | static void PRefreshLine(void); |
5232c20c |
61 | |
c62d2810 |
62 | static void ResetPPU(void); |
63 | static void PowerPPU(void); |
64 | |
65 | uint64 timestampbase=0; |
66 | |
67 | int MMC5Hack; |
68 | uint32 MMC5HackVROMMask; |
69 | uint8 *MMC5HackExNTARAMPtr; |
70 | uint8 *MMC5HackVROMPTR; |
15300263 |
71 | uint8 MMC5HackCHRMode=0; |
c62d2810 |
72 | uint8 MMC5HackSPMode; |
73 | uint8 MMC5HackSPScroll; |
74 | uint8 MMC5HackSPPage; |
75 | |
76 | uint8 *MMC5SPRVPage[8]; |
77 | uint8 *MMC5BGVPage[8]; |
78 | |
79 | |
80 | uint8 VRAMBuffer,PPUGenLatch; |
81 | |
82 | uint8 *vnapage[4]; |
83 | uint8 PPUNTARAM; |
84 | uint8 PPUCHRRAM; |
85 | |
86 | /* Color deemphasis emulation. Joy... */ |
87 | static uint8 deemp=0; |
88 | static int deempcnt[8]; |
89 | |
5232c20c |
90 | int tosprite=256; |
c62d2810 |
91 | |
92 | FCEUGI FCEUGameInfo; |
93 | void (*GameInterface)(int h); |
94 | |
95 | void FP_FASTAPASS(1) (*PPU_hook)(uint32 A); |
96 | |
97 | void (*GameStateRestore)(int version); |
98 | void (*GameHBIRQHook)(void); |
99 | |
100 | readfunc ARead[0x10000]; |
101 | writefunc BWrite[0x10000]; |
102 | static readfunc *AReadG; |
103 | static writefunc *BWriteG; |
104 | static int RWWrap=0; |
105 | |
92e249b1 |
106 | #ifdef ASM_6502 |
107 | static void asmcpu_update(int32 cycles) |
108 | { |
109 | // timestamp.. |
110 | timestamp += ((cycles >> 4) * 43) >> 7; // aproximating /= 48 |
111 | |
112 | // some code from x6502.c |
113 | fhcnt-=cycles; |
114 | if(fhcnt<=0) |
115 | { |
116 | FrameSoundUpdate(); |
117 | fhcnt+=fhinc; |
118 | } |
119 | |
120 | if(PCMIRQCount>0) |
121 | { |
122 | PCMIRQCount-=cycles; |
123 | if(PCMIRQCount<=0) |
124 | { |
125 | vdis=1; |
126 | if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40)) |
127 | { |
128 | extern uint8 SIRQStat; |
129 | SIRQStat|=0x80; |
130 | X6502_IRQBegin(FCEU_IQDPCM); |
131 | } |
132 | } |
133 | } |
134 | } |
135 | |
136 | void asmcpu_unpack(void) |
137 | { |
138 | nes_registers[0] = X.A << 24; |
139 | nes_registers[1] = X.X; |
140 | nes_registers[2] = X.Y; |
141 | pc_base = 0; |
142 | nes_registers[3] = X.PC; |
143 | X6502_rebase_a(); |
144 | nes_registers[4] = X.S << 24; |
145 | nes_registers[4]|= X.IRQlow << 8; |
146 | nes_registers[7] = (uint32)X.count; |
147 | |
148 | // NVUB DIZC |
149 | nes_registers[4]|= X.P & 0x5d; |
150 | nes_registers[5] = X.P << 24; // N |
151 | if (!(X.P&0x02)) nes_registers[5] |= 1; // Z |
152 | } |
153 | |
154 | void asmcpu_pack(void) |
155 | { |
156 | X.A = nes_registers[0] >> 24; |
157 | X.X = nes_registers[1]; |
158 | X.Y = nes_registers[2]; |
159 | X.PC= nes_registers[3] - pc_base; |
160 | X.S = nes_registers[4] >> 24; |
161 | X.IRQlow = nes_registers[4] >> 8; |
162 | X.count = (int32) nes_registers[7]; |
163 | |
164 | // NVUB DIZC |
165 | X.P = nes_registers[4] & 0x5d; |
166 | if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N |
167 | if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z |
168 | } |
169 | #endif |
170 | |
c62d2810 |
171 | DECLFW(BNull) |
172 | { |
173 | |
174 | } |
175 | |
176 | DECLFR(ANull) |
177 | { |
178 | return(X.DB); |
179 | } |
180 | |
181 | int AllocGenieRW(void) |
182 | { |
183 | if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc)))) |
184 | return 0; |
185 | if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc)))) |
186 | return 0; |
187 | RWWrap=1; |
188 | return 1; |
189 | } |
190 | |
191 | void FlushGenieRW(void) |
192 | { |
193 | int32 x; |
194 | |
195 | if(RWWrap) |
196 | { |
197 | for(x=0;x<0x8000;x++) |
198 | { |
199 | ARead[x+0x8000]=AReadG[x]; |
200 | BWrite[x+0x8000]=BWriteG[x]; |
201 | } |
202 | free(AReadG); |
203 | free(BWriteG); |
204 | AReadG=0; |
205 | BWriteG=0; |
206 | RWWrap=0; |
207 | } |
208 | } |
209 | |
210 | readfunc FASTAPASS(1) GetReadHandler(int32 a) |
211 | { |
212 | if(a>=0x8000 && RWWrap) |
213 | return AReadG[a-0x8000]; |
214 | else |
215 | return ARead[a]; |
216 | } |
217 | |
218 | void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func) |
219 | { |
220 | int32 x; |
221 | |
222 | if(!func) |
223 | func=ANull; |
224 | |
225 | if(RWWrap) |
226 | for(x=end;x>=start;x--) |
227 | { |
228 | if(x>=0x8000) |
229 | AReadG[x-0x8000]=func; |
230 | else |
231 | ARead[x]=func; |
232 | } |
233 | else |
234 | |
235 | for(x=end;x>=start;x--) |
236 | ARead[x]=func; |
237 | } |
238 | |
239 | writefunc FASTAPASS(1) GetWriteHandler(int32 a) |
240 | { |
241 | if(RWWrap && a>=0x8000) |
242 | return BWriteG[a-0x8000]; |
243 | else |
244 | return BWrite[a]; |
245 | } |
246 | |
247 | void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func) |
248 | { |
249 | int32 x; |
250 | |
251 | if(!func) |
252 | func=BNull; |
253 | |
254 | if(RWWrap) |
255 | for(x=end;x>=start;x--) |
256 | { |
257 | if(x>=0x8000) |
258 | BWriteG[x-0x8000]=func; |
259 | else |
260 | BWrite[x]=func; |
261 | } |
262 | else |
263 | for(x=end;x>=start;x--) |
264 | BWrite[x]=func; |
265 | } |
266 | |
267 | uint8 vtoggle=0; |
268 | uint8 XOffset=0; |
269 | |
270 | uint32 TempAddr,RefreshAddr; |
271 | |
c62d2810 |
272 | |
273 | /* scanline is equal to the current visible scanline we're on. */ |
274 | |
275 | int scanline; |
c62d2810 |
276 | |
9115e7d2 |
277 | uint8 GameMemBlock[131072] __attribute__ ((aligned (4))); |
278 | uint8 NTARAM[0x800] __attribute__ ((aligned (4))); |
279 | uint8 PALRAM[0x20] __attribute__ ((aligned (4))); |
92e249b1 |
280 | #if !defined(ASM_6502) || defined(DEBUG_ASM_6502) |
9115e7d2 |
281 | uint8 RAM[0x800] __attribute__ ((aligned (4))); |
af32b6c2 |
282 | #endif |
9115e7d2 |
283 | |
c62d2810 |
284 | uint8 PPU[4]; |
285 | uint8 PPUSPL; |
286 | |
c62d2810 |
287 | uint8 PAL=0; |
288 | |
5232c20c |
289 | |
c62d2810 |
290 | #define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)] |
291 | #define VRAMADR(V) &VPage[(V)>>10][(V)] |
15300263 |
292 | |
c62d2810 |
293 | static DECLFW(BRAML) |
15300263 |
294 | { |
c62d2810 |
295 | RAM[A]=V; |
296 | } |
297 | |
298 | static DECLFW(BRAMH) |
299 | { |
300 | RAM[A&0x7FF]=V; |
301 | } |
302 | |
303 | static DECLFR(ARAML) |
304 | { |
305 | return RAM[A]; |
306 | } |
307 | |
308 | static DECLFR(ARAMH) |
309 | { |
310 | return RAM[A&0x7FF]; |
311 | } |
312 | |
15300263 |
313 | |
c62d2810 |
314 | static DECLFR(A2002) |
315 | { |
316 | uint8 ret; |
92e249b1 |
317 | #ifdef DEBUG_ASM_6502 |
318 | if (cpu_repeat) return cpu_lastval; |
319 | #endif |
c62d2810 |
320 | ret = PPU_status; |
321 | vtoggle=0; |
322 | PPU_status&=0x7F; |
92e249b1 |
323 | #ifdef DEBUG_ASM_6502 |
324 | cpu_lastval=ret|(PPUGenLatch&0x1F); |
325 | #endif |
c62d2810 |
326 | return ret|(PPUGenLatch&0x1F); |
327 | } |
328 | |
329 | static DECLFR(A200x) |
330 | { |
331 | return PPUGenLatch; |
332 | } |
333 | |
334 | static DECLFR(A2007) |
335 | { |
336 | uint8 ret; |
337 | uint32 tmp=RefreshAddr&0x3FFF; |
92e249b1 |
338 | #ifdef DEBUG_ASM_6502 |
339 | if (cpu_repeat) return cpu_lastval; |
340 | #endif |
c62d2810 |
341 | |
342 | PPUGenLatch=ret=VRAMBuffer; |
343 | if(PPU_hook) PPU_hook(tmp); |
15300263 |
344 | if(tmp<0x2000) |
c62d2810 |
345 | { |
346 | VRAMBuffer=VPage[tmp>>10][tmp]; |
347 | } |
15300263 |
348 | else |
c62d2810 |
349 | { |
350 | VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF]; |
351 | } |
352 | |
353 | if (INC32) RefreshAddr+=32; |
354 | else RefreshAddr++; |
355 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
92e249b1 |
356 | #ifdef DEBUG_ASM_6502 |
357 | cpu_lastval=ret; |
358 | #endif |
c62d2810 |
359 | return ret; |
360 | } |
361 | |
362 | static DECLFW(B2000) |
363 | { |
364 | PPUGenLatch=V; |
365 | PPU[0]=V; |
366 | TempAddr&=0xF3FF; |
367 | TempAddr|=(V&3)<<10; |
368 | } |
369 | |
370 | static DECLFW(B2001) |
371 | { |
372 | PPUGenLatch=V; |
373 | PPU[1]=V; |
374 | if(V&0xE0) |
375 | deemp=V>>5; |
376 | //printf("$%04x:$%02x, %d\n",X.PC,V,scanline); |
377 | } |
378 | |
379 | static DECLFW(B2002) |
380 | { |
381 | PPUGenLatch=V; |
382 | } |
383 | |
384 | static DECLFW(B2003) |
385 | { |
386 | PPUGenLatch=V; |
387 | PPU[3]=V; |
388 | PPUSPL=V&0x7; |
389 | } |
390 | |
391 | static DECLFW(B2004) |
392 | { |
393 | PPUGenLatch=V; |
394 | //SPRAM[PPU[3]++]=V; |
395 | if(PPUSPL&8) |
396 | { |
397 | if(PPU[3]>=8) |
398 | SPRAM[PPU[3]]=V; |
399 | } |
400 | else |
401 | { |
402 | //printf("$%02x:$%02x\n",PPUSPL,V); |
403 | SPRAM[PPUSPL]=V; |
404 | PPUSPL++; |
405 | } |
406 | PPU[3]++; |
5232c20c |
407 | |
c62d2810 |
408 | } |
409 | |
410 | static DECLFW(B2005) |
411 | { |
412 | uint32 tmp=TempAddr; |
413 | |
414 | PPUGenLatch=V; |
415 | if (!vtoggle) |
416 | { |
417 | tmp&=0xFFE0; |
418 | tmp|=V>>3; |
419 | XOffset=V&7; |
420 | } |
421 | else |
422 | { |
423 | tmp&=0x8C1F; |
424 | tmp|=((V&~0x7)<<2); |
425 | tmp|=(V&7)<<12; |
426 | } |
427 | |
428 | TempAddr=tmp; |
429 | vtoggle^=1; |
430 | } |
431 | |
432 | static DECLFW(B2006) |
433 | { |
434 | PPUGenLatch=V; |
435 | if(!vtoggle) |
436 | { |
437 | TempAddr&=0x00FF; |
438 | TempAddr|=(V&0x3f)<<8; |
439 | } |
440 | else |
441 | { |
442 | TempAddr&=0xFF00; |
443 | TempAddr|=V; |
444 | RefreshAddr=TempAddr; |
445 | |
446 | if(PPU_hook) |
447 | PPU_hook(RefreshAddr); |
448 | } |
449 | vtoggle^=1; |
450 | } |
451 | |
452 | static DECLFW(B2007) |
15300263 |
453 | { |
c62d2810 |
454 | uint32 tmp=RefreshAddr&0x3FFF; |
455 | |
456 | PPUGenLatch=V; |
457 | if(tmp>=0x3F00) |
458 | { |
459 | // hmmm.... |
460 | if(!(tmp&0xf)) |
461 | PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]= |
462 | PALRAM[0x10]=PALRAM[0x14]=PALRAM[0x18]=PALRAM[0x1c]=V&0x3f; |
463 | else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f; |
464 | } |
465 | else if(tmp<0x2000) |
466 | { |
467 | if(PPUCHRRAM&(1<<(tmp>>10))) |
468 | VPage[tmp>>10][tmp]=V; |
469 | } |
470 | else |
15300263 |
471 | { |
c62d2810 |
472 | if(PPUNTARAM&(1<<((tmp&0xF00)>>10))) |
473 | vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V; |
474 | } |
475 | if (INC32) RefreshAddr+=32; |
476 | else RefreshAddr++; |
477 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
478 | } |
479 | |
480 | static DECLFW(B4014) |
15300263 |
481 | { |
c62d2810 |
482 | uint32 t=V<<8; |
483 | int x; |
92e249b1 |
484 | #ifdef DEBUG_ASM_6502 |
485 | if (cpu_repeat) { X6502_AddCycles_a(512); return; } |
486 | for(x=0;x<256;x++) |
487 | B2004(0x2004,X.DB=ARead[t+x](t+x)); |
488 | X6502_AddCycles_c(512); |
489 | #else |
c62d2810 |
490 | for(x=0;x<256;x++) |
491 | B2004(0x2004,X.DB=ARead[t+x](t+x)); |
492 | X6502_AddCycles(512); |
92e249b1 |
493 | #endif |
c62d2810 |
494 | } |
495 | |
5232c20c |
496 | void BGRender(uint8 *target) |
c62d2810 |
497 | { |
4a1bf31b |
498 | uint32 tem, vofs; |
499 | vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7); |
500 | |
501 | Pal[0]|=64; |
502 | Pal[4]|=64; |
503 | Pal[8]|=64; |
504 | Pal[0xC]|=64; |
505 | RefreshLine(target-XOffset, vofs); |
506 | Pal[0]&=63; |
507 | Pal[4]&=63; |
508 | Pal[8]&=63; |
509 | Pal[0xC]&=63; |
510 | |
c62d2810 |
511 | if(!(PPU[1]&2)) |
512 | { |
9115e7d2 |
513 | tem=Pal[0]|0x40; |
514 | tem|=tem<<8; |
515 | tem|=tem<<16; |
c62d2810 |
516 | *(uint32 *)target=*(uint32 *)(target+4)=tem; |
517 | } |
518 | } |
519 | |
520 | #ifdef FRAMESKIP |
15300263 |
521 | int FSkip_setting=-1; // auto |
5232c20c |
522 | int FSkip=0; |
c62d2810 |
523 | void FCEUI_FrameSkip(int x) |
524 | { |
525 | FSkip=x; |
526 | } |
527 | #endif |
528 | |
529 | /* This is called at the beginning of each visible scanline */ |
530 | static void Loop6502(void) |
531 | { |
532 | uint32 tem; |
533 | int x; |
937bf65b |
534 | uint8 *target=XBuf+scanline*320+32; |
c62d2810 |
535 | |
536 | if(ScreenON || SpriteON) |
537 | { |
538 | /* PRefreshLine() will not get called on skipped frames. This |
539 | could cause a problem, but the solution would be rather complex, |
540 | due to the current sprite 0 hit code. |
541 | */ |
542 | #ifdef FRAMESKIP |
543 | if(!FSkip) |
544 | { |
545 | #endif |
546 | if(ScreenON) |
547 | { |
548 | if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine) |
549 | BGRender(target); |
550 | else |
551 | { |
552 | if(PPU_hook) |
553 | PRefreshLine(); |
554 | } |
555 | } |
556 | else |
557 | { |
558 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
559 | tem|=0x40404040; |
560 | FCEU_dwmemset(target,tem,264); |
561 | } |
562 | #ifdef FRAMESKIP |
563 | } |
564 | #endif |
565 | if (SpriteON && scanline) |
566 | RefreshSprite(target); |
567 | #ifdef FRAMESKIP |
568 | if(!FSkip) |
569 | { |
570 | #endif |
571 | if(PPU[1]&0x01) |
15300263 |
572 | { |
c62d2810 |
573 | for(x=63;x>=0;x--) |
937bf65b |
574 | ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0; |
c62d2810 |
575 | } |
576 | if((PPU[1]>>5)==0x7) |
577 | for(x=63;x>=0;x--) |
937bf65b |
578 | ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040; |
c62d2810 |
579 | else if(PPU[1]&0xE0) |
580 | for(x=63;x>=0;x--) |
937bf65b |
581 | ((uint32 *)target)[x]=((uint32*)target)[x]|0xC0C0C0C0; |
c62d2810 |
582 | else |
583 | for(x=63;x>=0;x--) |
937bf65b |
584 | ((uint32 *)target)[x]=((uint32*)target)[x]&0x3f3f3f3f; |
585 | FCEU_dwmemset(target- 8,0x3f3f3f3f,8); |
586 | FCEU_dwmemset(target+256,0x3f3f3f3f,8); |
c62d2810 |
587 | #ifdef FRAMESKIP |
588 | } |
589 | #endif |
590 | } |
591 | else |
592 | { |
593 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
594 | FCEU_dwmemset(target,tem,256); |
15300263 |
595 | } |
c62d2810 |
596 | if(InputScanlineHook) |
597 | InputScanlineHook(target, scanline); |
598 | } |
599 | |
600 | #define PAL(c) ((c)+cc) |
601 | |
602 | |
603 | static void PRefreshLine(void) |
604 | { |
605 | uint32 vofs; |
606 | uint8 X1; |
607 | |
608 | vofs = 0; |
609 | if (BGAdrHI) vofs = 0x1000; |
610 | |
611 | vofs+=(RefreshAddr>>12)&7; |
612 | |
613 | for(X1=33;X1;X1--) |
614 | { |
615 | register uint8 no; |
616 | register uint8 zz2; |
617 | zz2=(uint8)((RefreshAddr>>10)&3); |
618 | PPU_hook(0x2000|(RefreshAddr&0xFFF)); |
619 | no = vnapage[zz2][(RefreshAddr&0x3ff)]; |
620 | PPU_hook((no<<4)+vofs); |
621 | if((RefreshAddr&0x1f)==0x1f) |
622 | RefreshAddr^=0x41F; |
623 | else |
624 | RefreshAddr++; |
625 | } |
626 | } |
627 | |
4a1bf31b |
628 | /* This high-level graphics MMC5 emulation code was written |
629 | for MMC5 carts in "CL" mode. It's probably not totally |
630 | correct for carts in "SL" mode. |
631 | */ |
632 | static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs) |
c62d2810 |
633 | { |
4a1bf31b |
634 | int8 tochange, X1; |
c62d2810 |
635 | |
636 | tochange=MMC5HackSPMode&0x1F; |
637 | |
638 | for(X1=33;X1;X1--,P+=8) |
639 | { |
640 | uint8 *C; |
5232c20c |
641 | uint8 cc,zz,zz2; |
c62d2810 |
642 | uint32 vadr; |
643 | |
15300263 |
644 | if((tochange<=0 && MMC5HackSPMode&0x40) || |
c62d2810 |
645 | (tochange>0 && !(MMC5HackSPMode&0x40))) |
646 | { |
647 | uint8 xs,ys; |
648 | |
15300263 |
649 | xs=33-X1; |
c62d2810 |
650 | ys=((scanline>>3)+MMC5HackSPScroll)&0x1F; |
651 | if(ys>=0x1E) ys-=0x1E; |
652 | vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7); |
653 | |
654 | C = MMC5HackVROMPTR+vadr; |
655 | C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12); |
656 | |
657 | cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)]; |
658 | cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2; |
659 | } |
660 | else |
661 | { |
662 | zz=RefreshAddr&0x1F; |
663 | zz2=(RefreshAddr>>10)&3; |
664 | vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs; |
665 | C = MMC5BGVRAMADR(vadr); |
666 | cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; |
667 | cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; |
668 | } |
669 | #include "fceline.h" |
670 | |
671 | if((RefreshAddr&0x1f)==0x1f) |
672 | RefreshAddr^=0x41F; |
673 | else |
674 | RefreshAddr++; |
675 | tochange--; |
676 | } |
4a1bf31b |
677 | } |
678 | |
679 | static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs) |
680 | { |
681 | int8 tochange, X1; |
c62d2810 |
682 | |
683 | tochange=MMC5HackSPMode&0x1F; |
684 | |
685 | for(X1=33;X1;X1--,P+=8) |
686 | { |
687 | uint8 *C; |
5232c20c |
688 | uint8 cc; |
689 | uint8 zz2; |
c62d2810 |
690 | uint32 vadr; |
691 | |
692 | if((tochange<=0 && MMC5HackSPMode&0x40) || |
693 | (tochange>0 && !(MMC5HackSPMode&0x40))) |
694 | { |
695 | uint8 xs,ys; |
696 | |
15300263 |
697 | xs=33-X1; |
c62d2810 |
698 | ys=((scanline>>3)+MMC5HackSPScroll)&0x1F; |
699 | if(ys>=0x1E) ys-=0x1E; |
700 | vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7); |
701 | |
702 | C = MMC5HackVROMPTR+vadr; |
703 | C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12); |
704 | |
705 | cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)]; |
706 | cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2; |
707 | } |
708 | else |
709 | { |
710 | C=MMC5HackVROMPTR; |
711 | zz2=(RefreshAddr>>10)&3; |
712 | vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs; |
713 | C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f & |
714 | MMC5HackVROMMask) << 12) + (vadr & 0xfff); |
715 | vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4; |
716 | cc = vadr; |
717 | } |
718 | #include "fceline.h" |
719 | if((RefreshAddr&0x1f)==0x1f) |
720 | RefreshAddr^=0x41F; |
721 | else |
722 | RefreshAddr++; |
723 | tochange--; |
724 | } |
4a1bf31b |
725 | } |
726 | |
727 | static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs) |
728 | { |
729 | int8 X1; |
c62d2810 |
730 | |
c62d2810 |
731 | for(X1=33;X1;X1--,P+=8) |
732 | { |
15300263 |
733 | uint8 *C; |
5232c20c |
734 | uint8 cc; |
735 | uint8 zz2; |
15300263 |
736 | uint32 vadr; |
c62d2810 |
737 | |
738 | C=MMC5HackVROMPTR; |
739 | zz2=(RefreshAddr>>10)&3; |
740 | vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs; |
15300263 |
741 | C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f & |
c62d2810 |
742 | MMC5HackVROMMask) << 12) + (vadr & 0xfff); |
743 | vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4; |
744 | cc = vadr; |
745 | |
746 | #include "fceline.h" |
747 | if((RefreshAddr&0x1f)==0x1f) |
748 | RefreshAddr^=0x41F; |
749 | else |
750 | RefreshAddr++; |
751 | } |
4a1bf31b |
752 | } |
753 | |
754 | static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs) |
755 | { |
756 | int8 X1; |
757 | |
c62d2810 |
758 | for(X1=33;X1;X1--,P+=8) |
759 | { |
760 | uint8 *C; |
5232c20c |
761 | uint8 cc,zz,zz2; |
c62d2810 |
762 | uint32 vadr; |
763 | |
764 | zz=RefreshAddr&0x1F; |
765 | zz2=(RefreshAddr>>10)&3; |
766 | vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs; |
767 | C = MMC5BGVRAMADR(vadr); |
768 | cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; |
769 | cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; |
770 | |
771 | #include "fceline.h" |
15300263 |
772 | |
c62d2810 |
773 | if((RefreshAddr&0x1f)==0x1f) |
774 | RefreshAddr^=0x41F; |
775 | else |
776 | RefreshAddr++; |
15300263 |
777 | } |
4a1bf31b |
778 | } |
779 | |
780 | static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs) |
781 | { |
782 | int8 X1; |
c62d2810 |
783 | |
c62d2810 |
784 | for(X1=33;X1;X1--,P+=8) |
785 | { |
15300263 |
786 | uint8 *C; |
5232c20c |
787 | uint8 cc,zz,zz2; |
15300263 |
788 | uint32 vadr; |
c62d2810 |
789 | |
790 | zz=RefreshAddr&0x1F; |
791 | zz2=(RefreshAddr>>10)&3; |
792 | PPU_hook(0x2000|(RefreshAddr&0xFFF)); |
793 | cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; |
794 | cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; |
795 | vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs; |
796 | C = VRAMADR(vadr); |
797 | |
798 | #include "fceline.h" |
799 | |
800 | PPU_hook(vadr); |
801 | |
802 | if((RefreshAddr&0x1f)==0x1f) |
803 | RefreshAddr^=0x41F; |
804 | else |
805 | RefreshAddr++; |
806 | } |
4a1bf31b |
807 | } |
808 | |
9115e7d2 |
809 | static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max |
4a1bf31b |
810 | { |
811 | int8 X1; |
9115e7d2 |
812 | uint32 rfraddr = RefreshAddr; |
813 | uint8 *page = vnapage[(rfraddr>>10)&3]; |
814 | uint32 cc2=0; |
4a1bf31b |
815 | |
9115e7d2 |
816 | if ((rfraddr&0xc)!=0) |
817 | cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0); |
818 | |
819 | for (X1=33;X1;X1--,P+=8) |
c62d2810 |
820 | { |
9115e7d2 |
821 | uint8 cc,*C; |
c62d2810 |
822 | uint32 vadr; |
823 | |
9115e7d2 |
824 | vadr=(page[rfraddr&0x3ff]<<4)+vofs; |
c62d2810 |
825 | C = VRAMADR(vadr); |
9115e7d2 |
826 | if ((rfraddr&0xc)==0) |
827 | cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0); |
828 | cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2; |
4a1bf31b |
829 | |
9115e7d2 |
830 | #include "fceline.h" |
15300263 |
831 | |
9115e7d2 |
832 | if((rfraddr&0x1f)==0x1f) { |
833 | rfraddr^=0x41F; |
834 | page = vnapage[(rfraddr>>10)&3]; |
835 | } else |
836 | rfraddr++; |
c62d2810 |
837 | } |
9115e7d2 |
838 | RefreshAddr = rfraddr; |
4a1bf31b |
839 | } |
c62d2810 |
840 | |
4a1bf31b |
841 | static void SetRefreshLine(void) |
842 | { |
843 | if(MMC5Hack && geniestage!=1) |
844 | { |
845 | if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80)) |
846 | { |
847 | if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n"); |
848 | RefreshLine = RefreshLine_MMC5Hack1; |
849 | } |
850 | else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80)) |
851 | { |
852 | if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n"); |
853 | RefreshLine = RefreshLine_MMC5Hack2; |
854 | } |
855 | else if(MMC5HackCHRMode==1) |
856 | { |
857 | if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n"); |
858 | RefreshLine = RefreshLine_MMC5Hack3; |
859 | } |
860 | else |
861 | { |
862 | if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n"); |
863 | RefreshLine = RefreshLine_MMC5Hack4; |
864 | } |
865 | } // End if(MMC5Hack) |
866 | else if(PPU_hook) |
867 | { |
868 | if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n"); |
869 | RefreshLine = RefreshLine_PPU_hook; |
870 | } |
871 | else |
872 | { |
873 | if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n"); |
874 | RefreshLine = RefreshLine_normal; |
875 | } |
c62d2810 |
876 | } |
877 | |
937bf65b |
878 | //static INLINE |
879 | void Fixit2(void) |
c62d2810 |
880 | { |
881 | if(ScreenON || SpriteON) |
882 | { |
883 | uint32 rad=RefreshAddr; |
884 | rad&=0xFBE0; |
885 | rad|=TempAddr&0x041f; |
886 | RefreshAddr=rad; |
887 | //PPU_hook(RefreshAddr,-1); |
888 | } |
889 | } |
890 | |
937bf65b |
891 | //static INLINE |
892 | void Fixit1(void) |
c62d2810 |
893 | { |
894 | if(ScreenON || SpriteON) |
895 | { |
896 | uint32 rad=RefreshAddr; |
897 | |
898 | if((rad&0x7000)==0x7000) |
899 | { |
900 | rad^=0x7000; |
901 | if((rad&0x3E0)==0x3A0) |
902 | { |
903 | rad^=0x3A0; |
904 | rad^=0x800; |
905 | } |
906 | else |
907 | { |
908 | if((rad&0x3E0)==0x3e0) |
909 | rad^=0x3e0; |
910 | else rad+=0x20; |
911 | } |
912 | } |
913 | else |
914 | rad+=0x1000; |
915 | RefreshAddr=rad; |
916 | //PPU_hook(RefreshAddr,-1); |
917 | } |
918 | } |
919 | |
937bf65b |
920 | //#define NEW_TRY |
921 | |
c62d2810 |
922 | /* This is called at the beginning of all h-blanks on visible lines. */ |
937bf65b |
923 | #ifndef NEW_TRY |
c62d2810 |
924 | static void DoHBlank(void) |
925 | { |
926 | if(ScreenON || SpriteON) |
927 | FetchSpriteData(); |
928 | if(GameHBIRQHook && (ScreenON || SpriteON)) |
929 | { |
930 | X6502_Run(12); |
931 | GameHBIRQHook(); |
932 | X6502_Run(25-12); |
933 | Fixit2(); |
934 | X6502_Run(85-25); |
935 | } |
936 | else |
937 | { |
938 | X6502_Run(25); // Tried 65, caused problems with Slalom(maybe others) |
939 | Fixit2(); |
940 | X6502_Run(85-25); |
941 | } |
942 | //PPU_hook(0,-1); |
943 | //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr); |
944 | } |
937bf65b |
945 | #endif |
c62d2810 |
946 | |
c62d2810 |
947 | |
5232c20c |
948 | // ============================// |
949 | // end of new code |
950 | // ===========================// |
c62d2810 |
951 | |
952 | void ResetMapping(void) |
953 | { |
954 | int x; |
955 | |
956 | SetReadHandler(0x0000,0xFFFF,ANull); |
957 | SetWriteHandler(0x0000,0xFFFF,BNull); |
958 | |
959 | SetReadHandler(0,0x7FF,ARAML); |
960 | SetWriteHandler(0,0x7FF,BRAML); |
961 | |
962 | SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */ |
963 | SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */ |
964 | |
965 | for(x=0x2000;x<0x4000;x+=8) |
966 | { |
967 | ARead[x]=A200x; |
968 | BWrite[x]=B2000; |
969 | ARead[x+1]=A200x; |
970 | BWrite[x+1]=B2001; |
971 | ARead[x+2]=A2002; |
972 | BWrite[x+2]=B2002; |
973 | ARead[x+3]=A200x; |
974 | BWrite[x+3]=B2003; |
975 | ARead[x+4]=A200x; |
976 | BWrite[x+4]=B2004; |
977 | ARead[x+5]=A200x; |
978 | BWrite[x+5]=B2005; |
979 | ARead[x+6]=A200x; |
980 | BWrite[x+6]=B2006; |
981 | ARead[x+7]=A2007; |
982 | BWrite[x+7]=B2007; |
983 | } |
984 | |
985 | BWrite[0x4014]=B4014; |
986 | SetNESSoundMap(); |
987 | InitializeInput(); |
988 | } |
989 | |
990 | int GameLoaded=0; |
991 | void CloseGame(void) |
992 | { |
993 | if(GameLoaded) |
994 | { |
995 | if(FCEUGameInfo.type!=GIT_NSF) |
996 | FlushGameCheats(); |
997 | #ifdef NETWORK |
998 | if(FSettings.NetworkPlay) KillNetplay(); |
15300263 |
999 | #endif |
c62d2810 |
1000 | GameInterface(GI_CLOSE); |
1001 | CloseGenie(); |
1002 | GameLoaded=0; |
1003 | } |
1004 | } |
1005 | |
1006 | void ResetGameLoaded(void) |
1007 | { |
1008 | if(GameLoaded) CloseGame(); |
1009 | GameStateRestore=0; |
1010 | PPU_hook=0; |
1011 | GameHBIRQHook=0; |
1012 | GameExpSound.Fill=0; |
1013 | GameExpSound.RChange=0; |
1014 | if(GameExpSound.Kill) |
1015 | GameExpSound.Kill(); |
1016 | GameExpSound.Kill=0; |
1017 | MapIRQHook=0; |
1018 | MMC5Hack=0; |
1019 | PAL&=1; |
1020 | pale=0; |
1021 | |
1022 | FCEUGameInfo.name=0; |
1023 | FCEUGameInfo.type=GIT_CART; |
1024 | FCEUGameInfo.vidsys=GIV_USER; |
1025 | FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1; |
1026 | FCEUGameInfo.inputfc=-1; |
1027 | } |
1028 | |
1029 | FCEUGI *FCEUI_LoadGame(char *name) |
1030 | { |
1031 | int fp; |
1032 | |
1033 | Exit=1; |
1034 | ResetGameLoaded(); |
1035 | |
1036 | fp=FCEU_fopen(name,"rb"); |
1037 | if(!fp) |
1038 | { |
1039 | FCEU_PrintError("Error opening \"%s\"!",name); |
1040 | return 0; |
1041 | } |
1042 | |
1043 | GetFileBase(name); |
1044 | if(iNESLoad(name,fp)) |
1045 | goto endlseq; |
1046 | if(NSFLoad(fp)) |
1047 | goto endlseq; |
1048 | if(FDSLoad(name,fp)) |
1049 | goto endlseq; |
1050 | if(UNIFLoad(name,fp)) |
1051 | goto endlseq; |
1052 | |
1053 | FCEU_PrintError("An error occurred while loading the file."); |
1054 | FCEU_fclose(fp); |
1055 | return 0; |
1056 | |
1057 | endlseq: |
1058 | FCEU_fclose(fp); |
15300263 |
1059 | GameLoaded=1; |
c62d2810 |
1060 | |
1061 | FCEU_ResetVidSys(); |
1062 | if(FCEUGameInfo.type!=GIT_NSF) |
1063 | if(FSettings.GameGenie) |
1064 | OpenGenie(); |
1065 | |
1066 | PowerNES(); |
1067 | #ifdef NETWORK |
1068 | if(FSettings.NetworkPlay) InitNetplay(); |
1069 | #endif |
1070 | SaveStateRefresh(); |
1071 | if(FCEUGameInfo.type!=GIT_NSF) |
1072 | { |
1073 | LoadGamePalette(); |
1074 | LoadGameCheats(); |
1075 | } |
15300263 |
1076 | |
c62d2810 |
1077 | FCEU_ResetPalette(); |
1078 | Exit=0; |
1079 | return(&FCEUGameInfo); |
1080 | } |
1081 | |
1082 | |
1083 | void FCEU_ResetVidSys(void) |
1084 | { |
1085 | int w; |
1086 | |
1087 | if(FCEUGameInfo.vidsys==GIV_NTSC) |
1088 | w=0; |
1089 | else if(FCEUGameInfo.vidsys==GIV_PAL) |
1090 | w=1; |
1091 | else |
1092 | w=FSettings.PAL; |
1093 | |
1094 | if(w) |
1095 | { |
1096 | PAL=1; |
c62d2810 |
1097 | FSettings.FirstSLine=FSettings.UsrFirstSLine[1]; |
1098 | FSettings.LastSLine=FSettings.UsrLastSLine[1]; |
1099 | } |
1100 | else |
1101 | { |
1102 | PAL=0; |
c62d2810 |
1103 | FSettings.FirstSLine=FSettings.UsrFirstSLine[0]; |
1104 | FSettings.LastSLine=FSettings.UsrLastSLine[0]; |
1105 | } |
15300263 |
1106 | printf("PAL = %i\n", PAL); |
c62d2810 |
1107 | SetSoundVariables(); |
1108 | } |
1109 | |
1110 | int FCEUI_Initialize(void) |
1111 | { |
1112 | if(!InitVirtualVideo()) |
1113 | return 0; |
1114 | memset(&FSettings,0,sizeof(FSettings)); |
1115 | FSettings.UsrFirstSLine[0]=8; |
1116 | FSettings.UsrFirstSLine[1]=0; |
1117 | FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239; |
5232c20c |
1118 | FSettings.SoundVolume=65535; // 100% |
c62d2810 |
1119 | return 1; |
1120 | } |
1121 | |
1122 | #define harko 0xe //0x9 |
1123 | static INLINE void Thingo(void) |
1124 | { |
1125 | Loop6502(); |
937bf65b |
1126 | #ifndef NEW_TRY |
c62d2810 |
1127 | |
1128 | if(tosprite>=256) |
15300263 |
1129 | { |
c62d2810 |
1130 | X6502_Run(256-harko); |
1131 | Fixit1(); |
1132 | X6502_Run(harko); |
1133 | } |
1134 | else |
1135 | { |
1136 | if(tosprite<=240) |
1137 | { |
1138 | X6502_Run(tosprite); |
1139 | PPU[2]|=0x40; |
1140 | X6502_Run(256-tosprite-harko); |
1141 | Fixit1(); |
1142 | X6502_Run(harko); |
1143 | } |
1144 | else |
1145 | { |
1146 | X6502_Run(256-harko); |
1147 | Fixit1(); |
1148 | X6502_Run(tosprite-(256-harko)); |
1149 | PPU[2]|=0x40; |
1150 | X6502_Run(256-tosprite); |
1151 | } |
1152 | tosprite=256; |
1153 | } |
1154 | DoHBlank(); |
937bf65b |
1155 | #else |
1156 | X6502_Run_scanline(); |
1157 | #endif |
c62d2810 |
1158 | } |
1159 | #undef harko |
1160 | |
1161 | void EmLoop(void) |
1162 | { |
1163 | for(;;) |
1164 | { |
92e249b1 |
1165 | uint32 scanlines_per_frame = PAL ? 312 : 262; |
937bf65b |
1166 | //extern int asdc; |
1167 | //printf("asdc: %i\n", asdc); |
1168 | //asdc=0; |
c62d2810 |
1169 | ApplyPeriodicCheats(); |
1170 | X6502_Run(256+85); |
1171 | |
1172 | PPU[2]|=0x80; |
1173 | PPU[3]=PPUSPL=0; /* Not sure if this is correct. According |
1174 | to Matt Conte and my own tests, it is. Timing is probably |
1175 | off, though. NOTE: Not having this here |
1176 | breaks a Super Donkey Kong game. */ |
1177 | |
1178 | X6502_Run(12); /* I need to figure out the true nature and length |
15300263 |
1179 | of this delay. |
c62d2810 |
1180 | */ |
1181 | if(FCEUGameInfo.type==GIT_NSF) |
1182 | TriggerNMINSF(); |
1183 | else if(VBlankON) |
1184 | TriggerNMI(); |
1185 | |
92e249b1 |
1186 | X6502_Run(256+85-12); |
1187 | for(scanline=242+1;scanline<scanlines_per_frame;scanline++) |
1188 | X6502_Run(256+85); |
c62d2810 |
1189 | |
1190 | PPU_status&=0x1f; |
1191 | |
1192 | X6502_Run(256); |
1193 | { |
1194 | static int kook=0; |
1195 | if(ScreenON || SpriteON) |
1196 | if(GameHBIRQHook) |
1197 | GameHBIRQHook(); |
1198 | |
1199 | X6502_Run(85-kook); |
1200 | kook=(kook+1)&1; |
1201 | } |
1202 | |
1203 | if(ScreenON || SpriteON) |
1204 | { |
1205 | RefreshAddr=TempAddr; |
1206 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
1207 | } |
1208 | if(FCEUGameInfo.type==GIT_NSF) |
937bf65b |
1209 | { |
c62d2810 |
1210 | X6502_Run((256+85)*240); |
937bf65b |
1211 | } |
c62d2810 |
1212 | else |
1213 | { |
1214 | int x,max,maxref; |
1215 | |
1216 | deemp=PPU[1]>>5; |
4a1bf31b |
1217 | SetRefreshLine(); |
c62d2810 |
1218 | for(scanline=0;scanline<240;scanline++) |
1219 | { |
1220 | deempcnt[deemp]++; |
1221 | Thingo(); |
1222 | } |
1223 | for(x=1,max=0,maxref=0;x<7;x++) |
1224 | { |
1225 | if(deempcnt[x]>max) |
1226 | { |
1227 | max=deempcnt[x]; |
1228 | maxref=x; |
1229 | } |
1230 | deempcnt[x]=0; |
1231 | } |
1232 | //FCEU_DispMessage("%2x:%2x:%2x:%2x:%2x:%2x:%2x:%2x %d",deempcnt[0],deempcnt[1],deempcnt[2],deempcnt[3],deempcnt[4],deempcnt[5],deempcnt[6],deempcnt[7],maxref); |
1233 | //memset(deempcnt,0,sizeof(deempcnt)); |
1234 | SetNESDeemph(maxref,0); |
1235 | } |
1236 | |
1237 | { |
1238 | int ssize; |
1239 | |
1240 | ssize=FlushEmulateSound(); |
1241 | |
1242 | #ifdef FRAMESKIP |
1243 | if(FSkip) |
1244 | { |
1245 | FCEU_PutImageDummy(); |
1246 | FSkip--; |
5232c20c |
1247 | FCEUD_Update(0,WaveFinalMono,ssize); |
c62d2810 |
1248 | } |
1249 | else |
1250 | #endif |
1251 | { |
1252 | FCEU_PutImage(); |
5232c20c |
1253 | FCEUD_Update(XBuf+8,WaveFinalMono,ssize); |
c62d2810 |
1254 | } |
1255 | UpdateInput(); |
1256 | } |
1257 | |
1258 | if(Exit) |
1259 | { |
1260 | CloseGame(); |
1261 | break; |
1262 | } |
1263 | |
1264 | } |
1265 | } |
1266 | |
1267 | #ifdef FPS |
1268 | #include <sys/time.h> |
1269 | uint64 frcount; |
1270 | #endif |
1271 | void FCEUI_Emulate(void) |
1272 | { |
1273 | #ifdef FPS |
1274 | uint64 starttime,end; |
1275 | struct timeval tv; |
1276 | frcount=0; |
1277 | gettimeofday(&tv,0); |
1278 | starttime=((uint64)tv.tv_sec*1000000)+tv.tv_usec; |
1279 | #endif |
1280 | EmLoop(); |
1281 | |
1282 | #ifdef FPS |
1283 | // Probably won't work well on Windows port; for |
1284 | // debugging/speed testing. |
1285 | { |
1286 | uint64 w; |
1287 | int i,frac; |
1288 | gettimeofday(&tv,0); |
1289 | end=((uint64)tv.tv_sec*1000000)+tv.tv_usec; |
1290 | w=frcount*10000000000LL/(end-starttime); |
1291 | i=w/10000; |
1292 | frac=w-i*10000; |
1293 | printf("Average FPS: %d.%04d\n",i,frac); |
1294 | } |
1295 | #endif |
1296 | |
1297 | } |
1298 | |
1299 | void FCEUI_CloseGame(void) |
1300 | { |
1301 | Exit=1; |
1302 | } |
1303 | |
1304 | static void ResetPPU(void) |
1305 | { |
1306 | VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0; |
1307 | PPUSPL=0; |
1308 | PPUGenLatch=0; |
1309 | RefreshAddr=TempAddr=0; |
1310 | vtoggle = 0; |
1311 | } |
1312 | |
1313 | static void PowerPPU(void) |
1314 | { |
1315 | memset(NTARAM,0x00,0x800); |
1316 | memset(PALRAM,0x00,0x20); |
1317 | memset(SPRAM,0x00,0x100); |
1318 | ResetPPU(); |
1319 | } |
1320 | |
1321 | void ResetNES(void) |
1322 | { |
1323 | if(!GameLoaded || (FCEUGameInfo.type==GIT_NSF)) return; |
1324 | GameInterface(GI_RESETM2); |
1325 | ResetSound(); |
1326 | ResetPPU(); |
1327 | X6502_Reset(); |
1328 | } |
1329 | |
15300263 |
1330 | void PowerNES(void) |
c62d2810 |
1331 | { |
1332 | if(!GameLoaded) return; |
1333 | |
1334 | FCEU_CheatResetRAM(); |
1335 | FCEU_CheatAddRAM(2,0,RAM); |
1336 | |
1337 | GeniePower(); |
1338 | |
92e249b1 |
1339 | printf("X.DB offs: %02x\n", (int)&X.DB - (int)&X); |
1340 | |
c62d2810 |
1341 | memset(RAM,0x00,0x800); |
1342 | ResetMapping(); |
1343 | GameInterface(GI_POWER); |
1344 | PowerSound(); |
1345 | PowerPPU(); |
1346 | timestampbase=0; |
1347 | X6502_Power(); |
1348 | } |
1349 | |