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 | |
5a2aa426 |
51 | #include "movie.h" |
52 | |
c62d2810 |
53 | #define Pal (PALRAM) |
54 | |
5232c20c |
55 | |
4a1bf31b |
56 | static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL; |
c62d2810 |
57 | static void PRefreshLine(void); |
5232c20c |
58 | |
c62d2810 |
59 | static void ResetPPU(void); |
60 | static void PowerPPU(void); |
61 | |
62 | uint64 timestampbase=0; |
63 | |
64 | int MMC5Hack; |
65 | uint32 MMC5HackVROMMask; |
66 | uint8 *MMC5HackExNTARAMPtr; |
67 | uint8 *MMC5HackVROMPTR; |
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68 | uint8 MMC5HackCHRMode=0; |
c62d2810 |
69 | uint8 MMC5HackSPMode; |
70 | uint8 MMC5HackSPScroll; |
71 | uint8 MMC5HackSPPage; |
72 | |
73 | uint8 *MMC5SPRVPage[8]; |
74 | uint8 *MMC5BGVPage[8]; |
75 | |
76 | |
77 | uint8 VRAMBuffer,PPUGenLatch; |
78 | |
79 | uint8 *vnapage[4]; |
80 | uint8 PPUNTARAM; |
81 | uint8 PPUCHRRAM; |
82 | |
83 | /* Color deemphasis emulation. Joy... */ |
84 | static uint8 deemp=0; |
85 | static int deempcnt[8]; |
86 | |
5232c20c |
87 | int tosprite=256; |
c62d2810 |
88 | |
89 | FCEUGI FCEUGameInfo; |
90 | void (*GameInterface)(int h); |
91 | |
92 | void FP_FASTAPASS(1) (*PPU_hook)(uint32 A); |
93 | |
94 | void (*GameStateRestore)(int version); |
95 | void (*GameHBIRQHook)(void); |
96 | |
97 | readfunc ARead[0x10000]; |
98 | writefunc BWrite[0x10000]; |
99 | static readfunc *AReadG; |
100 | static writefunc *BWriteG; |
101 | static int RWWrap=0; |
102 | |
92e249b1 |
103 | #ifdef ASM_6502 |
104 | static void asmcpu_update(int32 cycles) |
105 | { |
106 | // timestamp.. |
8fa5eb33 |
107 | //timestamp += ((cycles >> 4) * 43) >> 7; // aproximating /= 48 |
92e249b1 |
108 | |
109 | // some code from x6502.c |
110 | fhcnt-=cycles; |
111 | if(fhcnt<=0) |
112 | { |
113 | FrameSoundUpdate(); |
114 | fhcnt+=fhinc; |
115 | } |
116 | |
117 | if(PCMIRQCount>0) |
118 | { |
119 | PCMIRQCount-=cycles; |
120 | if(PCMIRQCount<=0) |
121 | { |
122 | vdis=1; |
123 | if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40)) |
124 | { |
125 | extern uint8 SIRQStat; |
126 | SIRQStat|=0x80; |
127 | X6502_IRQBegin(FCEU_IQDPCM); |
128 | } |
129 | } |
130 | } |
131 | } |
132 | |
133 | void asmcpu_unpack(void) |
134 | { |
135 | nes_registers[0] = X.A << 24; |
136 | nes_registers[1] = X.X; |
137 | nes_registers[2] = X.Y; |
138 | pc_base = 0; |
139 | nes_registers[3] = X.PC; |
c0bf6f9f |
140 | X6502_Rebase_a(); |
92e249b1 |
141 | nes_registers[4] = X.S << 24; |
142 | nes_registers[4]|= X.IRQlow << 8; |
8fa5eb33 |
143 | nes_registers[7] = (uint32)X.count << 16; |
92e249b1 |
144 | |
145 | // NVUB DIZC |
146 | nes_registers[4]|= X.P & 0x5d; |
147 | nes_registers[5] = X.P << 24; // N |
148 | if (!(X.P&0x02)) nes_registers[5] |= 1; // Z |
149 | } |
150 | |
151 | void asmcpu_pack(void) |
152 | { |
153 | X.A = nes_registers[0] >> 24; |
154 | X.X = nes_registers[1]; |
155 | X.Y = nes_registers[2]; |
156 | X.PC= nes_registers[3] - pc_base; |
157 | X.S = nes_registers[4] >> 24; |
158 | X.IRQlow = nes_registers[4] >> 8; |
8fa5eb33 |
159 | X.count = (int32) nes_registers[7] >> 16; |
92e249b1 |
160 | |
161 | // NVUB DIZC |
162 | X.P = nes_registers[4] & 0x5d; |
163 | if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N |
164 | if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z |
165 | } |
166 | #endif |
167 | |
c62d2810 |
168 | DECLFW(BNull) |
169 | { |
170 | |
171 | } |
172 | |
173 | DECLFR(ANull) |
174 | { |
175 | return(X.DB); |
176 | } |
177 | |
178 | int AllocGenieRW(void) |
179 | { |
180 | if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc)))) |
181 | return 0; |
182 | if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc)))) |
183 | return 0; |
184 | RWWrap=1; |
185 | return 1; |
186 | } |
187 | |
188 | void FlushGenieRW(void) |
189 | { |
190 | int32 x; |
191 | |
192 | if(RWWrap) |
193 | { |
194 | for(x=0;x<0x8000;x++) |
195 | { |
196 | ARead[x+0x8000]=AReadG[x]; |
197 | BWrite[x+0x8000]=BWriteG[x]; |
198 | } |
199 | free(AReadG); |
200 | free(BWriteG); |
201 | AReadG=0; |
202 | BWriteG=0; |
203 | RWWrap=0; |
204 | } |
205 | } |
206 | |
207 | readfunc FASTAPASS(1) GetReadHandler(int32 a) |
208 | { |
209 | if(a>=0x8000 && RWWrap) |
210 | return AReadG[a-0x8000]; |
211 | else |
212 | return ARead[a]; |
213 | } |
214 | |
215 | void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func) |
216 | { |
217 | int32 x; |
218 | |
219 | if(!func) |
220 | func=ANull; |
221 | |
222 | if(RWWrap) |
223 | for(x=end;x>=start;x--) |
224 | { |
225 | if(x>=0x8000) |
226 | AReadG[x-0x8000]=func; |
227 | else |
228 | ARead[x]=func; |
229 | } |
230 | else |
231 | |
232 | for(x=end;x>=start;x--) |
233 | ARead[x]=func; |
234 | } |
235 | |
236 | writefunc FASTAPASS(1) GetWriteHandler(int32 a) |
237 | { |
238 | if(RWWrap && a>=0x8000) |
239 | return BWriteG[a-0x8000]; |
240 | else |
241 | return BWrite[a]; |
242 | } |
243 | |
244 | void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func) |
245 | { |
246 | int32 x; |
247 | |
248 | if(!func) |
249 | func=BNull; |
250 | |
251 | if(RWWrap) |
252 | for(x=end;x>=start;x--) |
253 | { |
254 | if(x>=0x8000) |
255 | BWriteG[x-0x8000]=func; |
256 | else |
257 | BWrite[x]=func; |
258 | } |
259 | else |
260 | for(x=end;x>=start;x--) |
261 | BWrite[x]=func; |
262 | } |
263 | |
264 | uint8 vtoggle=0; |
265 | uint8 XOffset=0; |
266 | |
267 | uint32 TempAddr,RefreshAddr; |
268 | |
c62d2810 |
269 | |
270 | /* scanline is equal to the current visible scanline we're on. */ |
271 | |
272 | int scanline; |
c62d2810 |
273 | |
9115e7d2 |
274 | uint8 GameMemBlock[131072] __attribute__ ((aligned (4))); |
275 | uint8 NTARAM[0x800] __attribute__ ((aligned (4))); |
276 | uint8 PALRAM[0x20] __attribute__ ((aligned (4))); |
92e249b1 |
277 | #if !defined(ASM_6502) || defined(DEBUG_ASM_6502) |
9115e7d2 |
278 | uint8 RAM[0x800] __attribute__ ((aligned (4))); |
af32b6c2 |
279 | #endif |
9115e7d2 |
280 | |
c62d2810 |
281 | uint8 PPU[4]; |
282 | uint8 PPUSPL; |
283 | |
c62d2810 |
284 | uint8 PAL=0; |
285 | |
5232c20c |
286 | |
c62d2810 |
287 | #define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)] |
288 | #define VRAMADR(V) &VPage[(V)>>10][(V)] |
15300263 |
289 | |
c62d2810 |
290 | static DECLFW(BRAML) |
15300263 |
291 | { |
c62d2810 |
292 | RAM[A]=V; |
293 | } |
294 | |
295 | static DECLFW(BRAMH) |
296 | { |
297 | RAM[A&0x7FF]=V; |
298 | } |
299 | |
300 | static DECLFR(ARAML) |
301 | { |
302 | return RAM[A]; |
303 | } |
304 | |
305 | static DECLFR(ARAMH) |
306 | { |
307 | return RAM[A&0x7FF]; |
308 | } |
309 | |
15300263 |
310 | |
c62d2810 |
311 | static DECLFR(A2002) |
312 | { |
313 | uint8 ret; |
314 | ret = PPU_status; |
315 | vtoggle=0; |
316 | PPU_status&=0x7F; |
317 | return ret|(PPUGenLatch&0x1F); |
318 | } |
319 | |
320 | static DECLFR(A200x) |
321 | { |
322 | return PPUGenLatch; |
323 | } |
324 | |
325 | static DECLFR(A2007) |
326 | { |
327 | uint8 ret; |
328 | uint32 tmp=RefreshAddr&0x3FFF; |
329 | |
330 | PPUGenLatch=ret=VRAMBuffer; |
331 | if(PPU_hook) PPU_hook(tmp); |
15300263 |
332 | if(tmp<0x2000) |
c62d2810 |
333 | { |
334 | VRAMBuffer=VPage[tmp>>10][tmp]; |
335 | } |
15300263 |
336 | else |
c62d2810 |
337 | { |
338 | VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF]; |
339 | } |
340 | |
341 | if (INC32) RefreshAddr+=32; |
342 | else RefreshAddr++; |
343 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
344 | return ret; |
345 | } |
346 | |
347 | static DECLFW(B2000) |
348 | { |
349 | PPUGenLatch=V; |
350 | PPU[0]=V; |
351 | TempAddr&=0xF3FF; |
352 | TempAddr|=(V&3)<<10; |
353 | } |
354 | |
355 | static DECLFW(B2001) |
356 | { |
357 | PPUGenLatch=V; |
358 | PPU[1]=V; |
359 | if(V&0xE0) |
360 | deemp=V>>5; |
361 | //printf("$%04x:$%02x, %d\n",X.PC,V,scanline); |
362 | } |
363 | |
364 | static DECLFW(B2002) |
365 | { |
366 | PPUGenLatch=V; |
367 | } |
368 | |
369 | static DECLFW(B2003) |
370 | { |
371 | PPUGenLatch=V; |
372 | PPU[3]=V; |
373 | PPUSPL=V&0x7; |
374 | } |
375 | |
376 | static DECLFW(B2004) |
377 | { |
378 | PPUGenLatch=V; |
379 | //SPRAM[PPU[3]++]=V; |
380 | if(PPUSPL&8) |
381 | { |
382 | if(PPU[3]>=8) |
383 | SPRAM[PPU[3]]=V; |
384 | } |
385 | else |
386 | { |
387 | //printf("$%02x:$%02x\n",PPUSPL,V); |
388 | SPRAM[PPUSPL]=V; |
389 | PPUSPL++; |
390 | } |
391 | PPU[3]++; |
5232c20c |
392 | |
c62d2810 |
393 | } |
394 | |
395 | static DECLFW(B2005) |
396 | { |
397 | uint32 tmp=TempAddr; |
398 | |
399 | PPUGenLatch=V; |
400 | if (!vtoggle) |
401 | { |
402 | tmp&=0xFFE0; |
403 | tmp|=V>>3; |
404 | XOffset=V&7; |
405 | } |
406 | else |
407 | { |
408 | tmp&=0x8C1F; |
409 | tmp|=((V&~0x7)<<2); |
410 | tmp|=(V&7)<<12; |
411 | } |
412 | |
413 | TempAddr=tmp; |
414 | vtoggle^=1; |
415 | } |
416 | |
417 | static DECLFW(B2006) |
418 | { |
419 | PPUGenLatch=V; |
420 | if(!vtoggle) |
421 | { |
422 | TempAddr&=0x00FF; |
423 | TempAddr|=(V&0x3f)<<8; |
424 | } |
425 | else |
426 | { |
427 | TempAddr&=0xFF00; |
428 | TempAddr|=V; |
429 | RefreshAddr=TempAddr; |
430 | |
431 | if(PPU_hook) |
432 | PPU_hook(RefreshAddr); |
433 | } |
434 | vtoggle^=1; |
435 | } |
436 | |
437 | static DECLFW(B2007) |
15300263 |
438 | { |
c62d2810 |
439 | uint32 tmp=RefreshAddr&0x3FFF; |
440 | |
441 | PPUGenLatch=V; |
442 | if(tmp>=0x3F00) |
443 | { |
444 | // hmmm.... |
445 | if(!(tmp&0xf)) |
446 | PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]= |
447 | PALRAM[0x10]=PALRAM[0x14]=PALRAM[0x18]=PALRAM[0x1c]=V&0x3f; |
448 | else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f; |
449 | } |
450 | else if(tmp<0x2000) |
451 | { |
452 | if(PPUCHRRAM&(1<<(tmp>>10))) |
453 | VPage[tmp>>10][tmp]=V; |
454 | } |
455 | else |
15300263 |
456 | { |
c62d2810 |
457 | if(PPUNTARAM&(1<<((tmp&0xF00)>>10))) |
458 | vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V; |
459 | } |
460 | if (INC32) RefreshAddr+=32; |
461 | else RefreshAddr++; |
462 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
463 | } |
464 | |
465 | static DECLFW(B4014) |
15300263 |
466 | { |
c62d2810 |
467 | uint32 t=V<<8; |
468 | int x; |
469 | for(x=0;x<256;x++) |
470 | B2004(0x2004,X.DB=ARead[t+x](t+x)); |
471 | X6502_AddCycles(512); |
472 | } |
473 | |
5232c20c |
474 | void BGRender(uint8 *target) |
c62d2810 |
475 | { |
4a1bf31b |
476 | uint32 tem, vofs; |
477 | vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7); |
478 | |
479 | Pal[0]|=64; |
480 | Pal[4]|=64; |
481 | Pal[8]|=64; |
482 | Pal[0xC]|=64; |
483 | RefreshLine(target-XOffset, vofs); |
484 | Pal[0]&=63; |
485 | Pal[4]&=63; |
486 | Pal[8]&=63; |
487 | Pal[0xC]&=63; |
488 | |
c62d2810 |
489 | if(!(PPU[1]&2)) |
490 | { |
9115e7d2 |
491 | tem=Pal[0]|0x40; |
492 | tem|=tem<<8; |
493 | tem|=tem<<16; |
c62d2810 |
494 | *(uint32 *)target=*(uint32 *)(target+4)=tem; |
495 | } |
496 | } |
497 | |
498 | #ifdef FRAMESKIP |
15300263 |
499 | int FSkip_setting=-1; // auto |
5232c20c |
500 | int FSkip=0; |
c62d2810 |
501 | void FCEUI_FrameSkip(int x) |
502 | { |
503 | FSkip=x; |
504 | } |
505 | #endif |
506 | |
507 | /* This is called at the beginning of each visible scanline */ |
508 | static void Loop6502(void) |
509 | { |
510 | uint32 tem; |
511 | int x; |
937bf65b |
512 | uint8 *target=XBuf+scanline*320+32; |
c62d2810 |
513 | |
514 | if(ScreenON || SpriteON) |
515 | { |
516 | /* PRefreshLine() will not get called on skipped frames. This |
517 | could cause a problem, but the solution would be rather complex, |
518 | due to the current sprite 0 hit code. |
519 | */ |
520 | #ifdef FRAMESKIP |
521 | if(!FSkip) |
522 | { |
523 | #endif |
524 | if(ScreenON) |
525 | { |
526 | if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine) |
527 | BGRender(target); |
528 | else |
529 | { |
530 | if(PPU_hook) |
531 | PRefreshLine(); |
532 | } |
533 | } |
534 | else |
535 | { |
536 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
537 | tem|=0x40404040; |
538 | FCEU_dwmemset(target,tem,264); |
539 | } |
540 | #ifdef FRAMESKIP |
541 | } |
542 | #endif |
543 | if (SpriteON && scanline) |
544 | RefreshSprite(target); |
545 | #ifdef FRAMESKIP |
546 | if(!FSkip) |
547 | { |
548 | #endif |
549 | if(PPU[1]&0x01) |
15300263 |
550 | { |
c62d2810 |
551 | for(x=63;x>=0;x--) |
937bf65b |
552 | ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0; |
c62d2810 |
553 | } |
554 | if((PPU[1]>>5)==0x7) |
555 | for(x=63;x>=0;x--) |
937bf65b |
556 | ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040; |
c62d2810 |
557 | else if(PPU[1]&0xE0) |
558 | for(x=63;x>=0;x--) |
937bf65b |
559 | ((uint32 *)target)[x]=((uint32*)target)[x]|0xC0C0C0C0; |
c62d2810 |
560 | else |
561 | for(x=63;x>=0;x--) |
937bf65b |
562 | ((uint32 *)target)[x]=((uint32*)target)[x]&0x3f3f3f3f; |
563 | FCEU_dwmemset(target- 8,0x3f3f3f3f,8); |
564 | FCEU_dwmemset(target+256,0x3f3f3f3f,8); |
c62d2810 |
565 | #ifdef FRAMESKIP |
566 | } |
567 | #endif |
568 | } |
569 | else |
570 | { |
571 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
572 | FCEU_dwmemset(target,tem,256); |
15300263 |
573 | } |
c62d2810 |
574 | if(InputScanlineHook) |
575 | InputScanlineHook(target, scanline); |
576 | } |
577 | |
578 | #define PAL(c) ((c)+cc) |
579 | |
580 | |
581 | static void PRefreshLine(void) |
582 | { |
583 | uint32 vofs; |
584 | uint8 X1; |
585 | |
586 | vofs = 0; |
587 | if (BGAdrHI) vofs = 0x1000; |
588 | |
589 | vofs+=(RefreshAddr>>12)&7; |
590 | |
591 | for(X1=33;X1;X1--) |
592 | { |
593 | register uint8 no; |
594 | register uint8 zz2; |
595 | zz2=(uint8)((RefreshAddr>>10)&3); |
596 | PPU_hook(0x2000|(RefreshAddr&0xFFF)); |
597 | no = vnapage[zz2][(RefreshAddr&0x3ff)]; |
598 | PPU_hook((no<<4)+vofs); |
599 | if((RefreshAddr&0x1f)==0x1f) |
600 | RefreshAddr^=0x41F; |
601 | else |
602 | RefreshAddr++; |
603 | } |
604 | } |
605 | |
4a1bf31b |
606 | /* This high-level graphics MMC5 emulation code was written |
607 | for MMC5 carts in "CL" mode. It's probably not totally |
608 | correct for carts in "SL" mode. |
609 | */ |
610 | static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs) |
c62d2810 |
611 | { |
4a1bf31b |
612 | int8 tochange, X1; |
c62d2810 |
613 | |
614 | tochange=MMC5HackSPMode&0x1F; |
615 | |
616 | for(X1=33;X1;X1--,P+=8) |
617 | { |
618 | uint8 *C; |
5232c20c |
619 | uint8 cc,zz,zz2; |
c62d2810 |
620 | uint32 vadr; |
621 | |
15300263 |
622 | if((tochange<=0 && MMC5HackSPMode&0x40) || |
c62d2810 |
623 | (tochange>0 && !(MMC5HackSPMode&0x40))) |
624 | { |
625 | uint8 xs,ys; |
626 | |
15300263 |
627 | xs=33-X1; |
c62d2810 |
628 | ys=((scanline>>3)+MMC5HackSPScroll)&0x1F; |
629 | if(ys>=0x1E) ys-=0x1E; |
630 | vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7); |
631 | |
632 | C = MMC5HackVROMPTR+vadr; |
633 | C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12); |
634 | |
635 | cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)]; |
636 | cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2; |
637 | } |
638 | else |
639 | { |
640 | zz=RefreshAddr&0x1F; |
641 | zz2=(RefreshAddr>>10)&3; |
642 | vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs; |
643 | C = MMC5BGVRAMADR(vadr); |
644 | cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; |
645 | cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; |
646 | } |
647 | #include "fceline.h" |
648 | |
649 | if((RefreshAddr&0x1f)==0x1f) |
650 | RefreshAddr^=0x41F; |
651 | else |
652 | RefreshAddr++; |
653 | tochange--; |
654 | } |
4a1bf31b |
655 | } |
656 | |
657 | static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs) |
658 | { |
659 | int8 tochange, X1; |
c62d2810 |
660 | |
661 | tochange=MMC5HackSPMode&0x1F; |
662 | |
663 | for(X1=33;X1;X1--,P+=8) |
664 | { |
665 | uint8 *C; |
5232c20c |
666 | uint8 cc; |
667 | uint8 zz2; |
c62d2810 |
668 | uint32 vadr; |
669 | |
670 | if((tochange<=0 && MMC5HackSPMode&0x40) || |
671 | (tochange>0 && !(MMC5HackSPMode&0x40))) |
672 | { |
673 | uint8 xs,ys; |
674 | |
15300263 |
675 | xs=33-X1; |
c62d2810 |
676 | ys=((scanline>>3)+MMC5HackSPScroll)&0x1F; |
677 | if(ys>=0x1E) ys-=0x1E; |
678 | vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7); |
679 | |
680 | C = MMC5HackVROMPTR+vadr; |
681 | C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12); |
682 | |
683 | cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)]; |
684 | cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2; |
685 | } |
686 | else |
687 | { |
688 | C=MMC5HackVROMPTR; |
689 | zz2=(RefreshAddr>>10)&3; |
690 | vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs; |
691 | C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f & |
692 | MMC5HackVROMMask) << 12) + (vadr & 0xfff); |
693 | vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4; |
694 | cc = vadr; |
695 | } |
696 | #include "fceline.h" |
697 | if((RefreshAddr&0x1f)==0x1f) |
698 | RefreshAddr^=0x41F; |
699 | else |
700 | RefreshAddr++; |
701 | tochange--; |
702 | } |
4a1bf31b |
703 | } |
704 | |
705 | static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs) |
706 | { |
707 | int8 X1; |
c62d2810 |
708 | |
c62d2810 |
709 | for(X1=33;X1;X1--,P+=8) |
710 | { |
15300263 |
711 | uint8 *C; |
5232c20c |
712 | uint8 cc; |
713 | uint8 zz2; |
15300263 |
714 | uint32 vadr; |
c62d2810 |
715 | |
716 | C=MMC5HackVROMPTR; |
717 | zz2=(RefreshAddr>>10)&3; |
718 | vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs; |
15300263 |
719 | C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f & |
c62d2810 |
720 | MMC5HackVROMMask) << 12) + (vadr & 0xfff); |
721 | vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4; |
722 | cc = vadr; |
723 | |
724 | #include "fceline.h" |
725 | if((RefreshAddr&0x1f)==0x1f) |
726 | RefreshAddr^=0x41F; |
727 | else |
728 | RefreshAddr++; |
729 | } |
4a1bf31b |
730 | } |
731 | |
732 | static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs) |
733 | { |
734 | int8 X1; |
735 | |
c62d2810 |
736 | for(X1=33;X1;X1--,P+=8) |
737 | { |
738 | uint8 *C; |
5232c20c |
739 | uint8 cc,zz,zz2; |
c62d2810 |
740 | uint32 vadr; |
741 | |
742 | zz=RefreshAddr&0x1F; |
743 | zz2=(RefreshAddr>>10)&3; |
744 | vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs; |
745 | C = MMC5BGVRAMADR(vadr); |
746 | cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; |
747 | cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; |
748 | |
749 | #include "fceline.h" |
15300263 |
750 | |
c62d2810 |
751 | if((RefreshAddr&0x1f)==0x1f) |
752 | RefreshAddr^=0x41F; |
753 | else |
754 | RefreshAddr++; |
15300263 |
755 | } |
4a1bf31b |
756 | } |
757 | |
758 | static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs) |
759 | { |
760 | int8 X1; |
c62d2810 |
761 | |
c62d2810 |
762 | for(X1=33;X1;X1--,P+=8) |
763 | { |
15300263 |
764 | uint8 *C; |
5232c20c |
765 | uint8 cc,zz,zz2; |
15300263 |
766 | uint32 vadr; |
c62d2810 |
767 | |
768 | zz=RefreshAddr&0x1F; |
769 | zz2=(RefreshAddr>>10)&3; |
770 | PPU_hook(0x2000|(RefreshAddr&0xFFF)); |
771 | cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)]; |
772 | cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2; |
773 | vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs; |
774 | C = VRAMADR(vadr); |
775 | |
776 | #include "fceline.h" |
777 | |
778 | PPU_hook(vadr); |
779 | |
780 | if((RefreshAddr&0x1f)==0x1f) |
781 | RefreshAddr^=0x41F; |
782 | else |
783 | RefreshAddr++; |
784 | } |
4a1bf31b |
785 | } |
786 | |
9115e7d2 |
787 | static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max |
4a1bf31b |
788 | { |
789 | int8 X1; |
9115e7d2 |
790 | uint32 rfraddr = RefreshAddr; |
791 | uint8 *page = vnapage[(rfraddr>>10)&3]; |
792 | uint32 cc2=0; |
4a1bf31b |
793 | |
9115e7d2 |
794 | if ((rfraddr&0xc)!=0) |
795 | cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0); |
796 | |
797 | for (X1=33;X1;X1--,P+=8) |
c62d2810 |
798 | { |
9115e7d2 |
799 | uint8 cc,*C; |
c62d2810 |
800 | uint32 vadr; |
801 | |
9115e7d2 |
802 | vadr=(page[rfraddr&0x3ff]<<4)+vofs; |
c62d2810 |
803 | C = VRAMADR(vadr); |
9115e7d2 |
804 | if ((rfraddr&0xc)==0) |
805 | cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0); |
806 | cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2; |
4a1bf31b |
807 | |
9115e7d2 |
808 | #include "fceline.h" |
15300263 |
809 | |
9115e7d2 |
810 | if((rfraddr&0x1f)==0x1f) { |
811 | rfraddr^=0x41F; |
812 | page = vnapage[(rfraddr>>10)&3]; |
813 | } else |
814 | rfraddr++; |
c62d2810 |
815 | } |
9115e7d2 |
816 | RefreshAddr = rfraddr; |
4a1bf31b |
817 | } |
c62d2810 |
818 | |
4a1bf31b |
819 | static void SetRefreshLine(void) |
820 | { |
821 | if(MMC5Hack && geniestage!=1) |
822 | { |
823 | if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80)) |
824 | { |
825 | if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n"); |
826 | RefreshLine = RefreshLine_MMC5Hack1; |
827 | } |
828 | else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80)) |
829 | { |
830 | if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n"); |
831 | RefreshLine = RefreshLine_MMC5Hack2; |
832 | } |
833 | else if(MMC5HackCHRMode==1) |
834 | { |
835 | if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n"); |
836 | RefreshLine = RefreshLine_MMC5Hack3; |
837 | } |
838 | else |
839 | { |
840 | if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n"); |
841 | RefreshLine = RefreshLine_MMC5Hack4; |
842 | } |
843 | } // End if(MMC5Hack) |
844 | else if(PPU_hook) |
845 | { |
846 | if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n"); |
847 | RefreshLine = RefreshLine_PPU_hook; |
848 | } |
849 | else |
850 | { |
851 | if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n"); |
852 | RefreshLine = RefreshLine_normal; |
853 | } |
c62d2810 |
854 | } |
855 | |
937bf65b |
856 | //static INLINE |
857 | void Fixit2(void) |
c62d2810 |
858 | { |
859 | if(ScreenON || SpriteON) |
860 | { |
861 | uint32 rad=RefreshAddr; |
862 | rad&=0xFBE0; |
863 | rad|=TempAddr&0x041f; |
864 | RefreshAddr=rad; |
865 | //PPU_hook(RefreshAddr,-1); |
866 | } |
867 | } |
868 | |
937bf65b |
869 | //static INLINE |
870 | void Fixit1(void) |
c62d2810 |
871 | { |
872 | if(ScreenON || SpriteON) |
873 | { |
874 | uint32 rad=RefreshAddr; |
875 | |
876 | if((rad&0x7000)==0x7000) |
877 | { |
878 | rad^=0x7000; |
879 | if((rad&0x3E0)==0x3A0) |
880 | { |
881 | rad^=0x3A0; |
882 | rad^=0x800; |
883 | } |
884 | else |
885 | { |
886 | if((rad&0x3E0)==0x3e0) |
887 | rad^=0x3e0; |
888 | else rad+=0x20; |
889 | } |
890 | } |
891 | else |
892 | rad+=0x1000; |
893 | RefreshAddr=rad; |
894 | //PPU_hook(RefreshAddr,-1); |
895 | } |
896 | } |
897 | |
937bf65b |
898 | //#define NEW_TRY |
899 | |
c62d2810 |
900 | /* This is called at the beginning of all h-blanks on visible lines. */ |
937bf65b |
901 | #ifndef NEW_TRY |
c62d2810 |
902 | static void DoHBlank(void) |
903 | { |
904 | if(ScreenON || SpriteON) |
905 | FetchSpriteData(); |
906 | if(GameHBIRQHook && (ScreenON || SpriteON)) |
907 | { |
908 | X6502_Run(12); |
909 | GameHBIRQHook(); |
910 | X6502_Run(25-12); |
911 | Fixit2(); |
912 | X6502_Run(85-25); |
913 | } |
914 | else |
915 | { |
916 | X6502_Run(25); // Tried 65, caused problems with Slalom(maybe others) |
917 | Fixit2(); |
918 | X6502_Run(85-25); |
919 | } |
920 | //PPU_hook(0,-1); |
921 | //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr); |
922 | } |
937bf65b |
923 | #endif |
c62d2810 |
924 | |
c62d2810 |
925 | |
5232c20c |
926 | // ============================// |
927 | // end of new code |
928 | // ===========================// |
c62d2810 |
929 | |
930 | void ResetMapping(void) |
931 | { |
932 | int x; |
933 | |
934 | SetReadHandler(0x0000,0xFFFF,ANull); |
935 | SetWriteHandler(0x0000,0xFFFF,BNull); |
936 | |
937 | SetReadHandler(0,0x7FF,ARAML); |
938 | SetWriteHandler(0,0x7FF,BRAML); |
939 | |
940 | SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */ |
941 | SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */ |
942 | |
943 | for(x=0x2000;x<0x4000;x+=8) |
944 | { |
945 | ARead[x]=A200x; |
946 | BWrite[x]=B2000; |
947 | ARead[x+1]=A200x; |
948 | BWrite[x+1]=B2001; |
949 | ARead[x+2]=A2002; |
950 | BWrite[x+2]=B2002; |
951 | ARead[x+3]=A200x; |
952 | BWrite[x+3]=B2003; |
953 | ARead[x+4]=A200x; |
954 | BWrite[x+4]=B2004; |
955 | ARead[x+5]=A200x; |
956 | BWrite[x+5]=B2005; |
957 | ARead[x+6]=A200x; |
958 | BWrite[x+6]=B2006; |
959 | ARead[x+7]=A2007; |
960 | BWrite[x+7]=B2007; |
961 | } |
962 | |
963 | BWrite[0x4014]=B4014; |
964 | SetNESSoundMap(); |
965 | InitializeInput(); |
966 | } |
967 | |
968 | int GameLoaded=0; |
969 | void CloseGame(void) |
970 | { |
971 | if(GameLoaded) |
972 | { |
973 | if(FCEUGameInfo.type!=GIT_NSF) |
974 | FlushGameCheats(); |
975 | #ifdef NETWORK |
976 | if(FSettings.NetworkPlay) KillNetplay(); |
15300263 |
977 | #endif |
c62d2810 |
978 | GameInterface(GI_CLOSE); |
979 | CloseGenie(); |
980 | GameLoaded=0; |
981 | } |
982 | } |
983 | |
984 | void ResetGameLoaded(void) |
985 | { |
986 | if(GameLoaded) CloseGame(); |
987 | GameStateRestore=0; |
988 | PPU_hook=0; |
989 | GameHBIRQHook=0; |
990 | GameExpSound.Fill=0; |
991 | GameExpSound.RChange=0; |
992 | if(GameExpSound.Kill) |
993 | GameExpSound.Kill(); |
994 | GameExpSound.Kill=0; |
995 | MapIRQHook=0; |
996 | MMC5Hack=0; |
997 | PAL&=1; |
998 | pale=0; |
999 | |
1000 | FCEUGameInfo.name=0; |
1001 | FCEUGameInfo.type=GIT_CART; |
1002 | FCEUGameInfo.vidsys=GIV_USER; |
1003 | FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1; |
1004 | FCEUGameInfo.inputfc=-1; |
1005 | } |
1006 | |
5a2aa426 |
1007 | char lastLoadedGameName [2048]; |
1008 | |
c62d2810 |
1009 | FCEUGI *FCEUI_LoadGame(char *name) |
1010 | { |
5a2aa426 |
1011 | char name2[512]; |
1012 | int have_movie = 0; |
c62d2810 |
1013 | int fp; |
1014 | |
1015 | Exit=1; |
1016 | ResetGameLoaded(); |
1017 | |
5a2aa426 |
1018 | strncpy(name2, name, sizeof(name2)); |
1019 | name2[sizeof(name2)-1] = 0; |
1020 | |
1021 | fp=FCEU_fopen(name2,"rb"); |
c62d2810 |
1022 | if(!fp) |
1023 | { |
1024 | FCEU_PrintError("Error opening \"%s\"!",name); |
1025 | return 0; |
1026 | } |
1027 | |
5a2aa426 |
1028 | { |
1029 | char *p = name2 + strlen(name2) - 4; |
1030 | if (strcmp(p, ".fcm") == 0) |
1031 | { |
1032 | // movie detected |
1033 | printf("movie detected\n"); |
1034 | FCEU_fclose(fp); |
1035 | *p = 0; |
1036 | fp=FCEU_fopen(name2,"rb"); |
1037 | if (!fp) { |
1038 | printf("no ROM for movie\n"); |
1039 | return 0; |
1040 | } |
1041 | have_movie = 1; |
1042 | } |
1043 | } |
1044 | |
1045 | strcpy(lastLoadedGameName, name2); |
1046 | |
1047 | GetFileBase(name2); |
1048 | if(iNESLoad(name2,fp)) |
c62d2810 |
1049 | goto endlseq; |
1050 | if(NSFLoad(fp)) |
1051 | goto endlseq; |
5a2aa426 |
1052 | if(FDSLoad(name2,fp)) |
c62d2810 |
1053 | goto endlseq; |
5a2aa426 |
1054 | if(UNIFLoad(name2,fp)) |
c62d2810 |
1055 | goto endlseq; |
1056 | |
1057 | FCEU_PrintError("An error occurred while loading the file."); |
1058 | FCEU_fclose(fp); |
1059 | return 0; |
1060 | |
1061 | endlseq: |
1062 | FCEU_fclose(fp); |
15300263 |
1063 | GameLoaded=1; |
c62d2810 |
1064 | |
1065 | FCEU_ResetVidSys(); |
1066 | if(FCEUGameInfo.type!=GIT_NSF) |
1067 | if(FSettings.GameGenie) |
1068 | OpenGenie(); |
1069 | |
1070 | PowerNES(); |
1071 | #ifdef NETWORK |
1072 | if(FSettings.NetworkPlay) InitNetplay(); |
1073 | #endif |
1074 | SaveStateRefresh(); |
1075 | if(FCEUGameInfo.type!=GIT_NSF) |
1076 | { |
1077 | LoadGamePalette(); |
1078 | LoadGameCheats(); |
1079 | } |
15300263 |
1080 | |
c62d2810 |
1081 | FCEU_ResetPalette(); |
1082 | Exit=0; |
5a2aa426 |
1083 | |
1084 | if (have_movie) |
1085 | FCEUI_LoadMovie(name, 1); |
c62d2810 |
1086 | return(&FCEUGameInfo); |
1087 | } |
1088 | |
1089 | |
1090 | void FCEU_ResetVidSys(void) |
1091 | { |
1092 | int w; |
1093 | |
1094 | if(FCEUGameInfo.vidsys==GIV_NTSC) |
1095 | w=0; |
1096 | else if(FCEUGameInfo.vidsys==GIV_PAL) |
1097 | w=1; |
1098 | else |
1099 | w=FSettings.PAL; |
1100 | |
1101 | if(w) |
1102 | { |
1103 | PAL=1; |
c62d2810 |
1104 | FSettings.FirstSLine=FSettings.UsrFirstSLine[1]; |
1105 | FSettings.LastSLine=FSettings.UsrLastSLine[1]; |
1106 | } |
1107 | else |
1108 | { |
1109 | PAL=0; |
c62d2810 |
1110 | FSettings.FirstSLine=FSettings.UsrFirstSLine[0]; |
1111 | FSettings.LastSLine=FSettings.UsrLastSLine[0]; |
1112 | } |
15300263 |
1113 | printf("PAL = %i\n", PAL); |
c62d2810 |
1114 | SetSoundVariables(); |
1115 | } |
1116 | |
1117 | int FCEUI_Initialize(void) |
1118 | { |
1119 | if(!InitVirtualVideo()) |
1120 | return 0; |
1121 | memset(&FSettings,0,sizeof(FSettings)); |
1122 | FSettings.UsrFirstSLine[0]=8; |
1123 | FSettings.UsrFirstSLine[1]=0; |
1124 | FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239; |
5232c20c |
1125 | FSettings.SoundVolume=65535; // 100% |
c62d2810 |
1126 | return 1; |
1127 | } |
1128 | |
1129 | #define harko 0xe //0x9 |
1130 | static INLINE void Thingo(void) |
1131 | { |
1132 | Loop6502(); |
937bf65b |
1133 | #ifndef NEW_TRY |
c62d2810 |
1134 | |
1135 | if(tosprite>=256) |
15300263 |
1136 | { |
c62d2810 |
1137 | X6502_Run(256-harko); |
1138 | Fixit1(); |
1139 | X6502_Run(harko); |
1140 | } |
1141 | else |
1142 | { |
1143 | if(tosprite<=240) |
1144 | { |
1145 | X6502_Run(tosprite); |
1146 | PPU[2]|=0x40; |
1147 | X6502_Run(256-tosprite-harko); |
1148 | Fixit1(); |
1149 | X6502_Run(harko); |
1150 | } |
1151 | else |
1152 | { |
1153 | X6502_Run(256-harko); |
1154 | Fixit1(); |
1155 | X6502_Run(tosprite-(256-harko)); |
1156 | PPU[2]|=0x40; |
1157 | X6502_Run(256-tosprite); |
1158 | } |
1159 | tosprite=256; |
1160 | } |
1161 | DoHBlank(); |
937bf65b |
1162 | #else |
1163 | X6502_Run_scanline(); |
1164 | #endif |
c62d2810 |
1165 | } |
1166 | #undef harko |
1167 | |
1168 | void EmLoop(void) |
1169 | { |
1170 | for(;;) |
1171 | { |
92e249b1 |
1172 | uint32 scanlines_per_frame = PAL ? 312 : 262; |
937bf65b |
1173 | //extern int asdc; |
1174 | //printf("asdc: %i\n", asdc); |
1175 | //asdc=0; |
c62d2810 |
1176 | ApplyPeriodicCheats(); |
1177 | X6502_Run(256+85); |
1178 | |
1179 | PPU[2]|=0x80; |
1180 | PPU[3]=PPUSPL=0; /* Not sure if this is correct. According |
1181 | to Matt Conte and my own tests, it is. Timing is probably |
1182 | off, though. NOTE: Not having this here |
1183 | breaks a Super Donkey Kong game. */ |
1184 | |
1185 | X6502_Run(12); /* I need to figure out the true nature and length |
15300263 |
1186 | of this delay. |
c62d2810 |
1187 | */ |
1188 | if(FCEUGameInfo.type==GIT_NSF) |
1189 | TriggerNMINSF(); |
1190 | else if(VBlankON) |
1191 | TriggerNMI(); |
1192 | |
655f8df0 |
1193 | // Note: this is needed for asm core |
1194 | // Warning: using 'scanline' var here breaks Castlevania III |
1195 | { |
1196 | int lines; |
1197 | X6502_Run(256+85-12); |
1198 | for (lines=scanlines_per_frame-242-1;lines;lines--) |
1199 | X6502_Run(256+85); |
1200 | } |
1201 | // X6502_Run((scanlines_per_frame-242)*(256+85)-12); |
c62d2810 |
1202 | |
1203 | PPU_status&=0x1f; |
1204 | |
1205 | X6502_Run(256); |
1206 | { |
1207 | static int kook=0; |
1208 | if(ScreenON || SpriteON) |
1209 | if(GameHBIRQHook) |
1210 | GameHBIRQHook(); |
1211 | |
1212 | X6502_Run(85-kook); |
1213 | kook=(kook+1)&1; |
1214 | } |
1215 | |
1216 | if(ScreenON || SpriteON) |
1217 | { |
1218 | RefreshAddr=TempAddr; |
1219 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
1220 | } |
1221 | if(FCEUGameInfo.type==GIT_NSF) |
937bf65b |
1222 | { |
c62d2810 |
1223 | X6502_Run((256+85)*240); |
937bf65b |
1224 | } |
c62d2810 |
1225 | else |
1226 | { |
1227 | int x,max,maxref; |
1228 | |
1229 | deemp=PPU[1]>>5; |
4a1bf31b |
1230 | SetRefreshLine(); |
c62d2810 |
1231 | for(scanline=0;scanline<240;scanline++) |
1232 | { |
1233 | deempcnt[deemp]++; |
1234 | Thingo(); |
1235 | } |
1236 | for(x=1,max=0,maxref=0;x<7;x++) |
1237 | { |
1238 | if(deempcnt[x]>max) |
1239 | { |
1240 | max=deempcnt[x]; |
1241 | maxref=x; |
1242 | } |
1243 | deempcnt[x]=0; |
1244 | } |
1245 | //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); |
1246 | //memset(deempcnt,0,sizeof(deempcnt)); |
1247 | SetNESDeemph(maxref,0); |
1248 | } |
1249 | |
1250 | { |
1251 | int ssize; |
1252 | |
1253 | ssize=FlushEmulateSound(); |
1254 | |
1255 | #ifdef FRAMESKIP |
1256 | if(FSkip) |
1257 | { |
1258 | FCEU_PutImageDummy(); |
1259 | FSkip--; |
5232c20c |
1260 | FCEUD_Update(0,WaveFinalMono,ssize); |
c62d2810 |
1261 | } |
1262 | else |
1263 | #endif |
1264 | { |
1265 | FCEU_PutImage(); |
5232c20c |
1266 | FCEUD_Update(XBuf+8,WaveFinalMono,ssize); |
c62d2810 |
1267 | } |
1268 | UpdateInput(); |
1269 | } |
1270 | |
1271 | if(Exit) |
1272 | { |
1273 | CloseGame(); |
1274 | break; |
1275 | } |
1276 | |
1277 | } |
1278 | } |
1279 | |
1280 | #ifdef FPS |
1281 | #include <sys/time.h> |
1282 | uint64 frcount; |
1283 | #endif |
1284 | void FCEUI_Emulate(void) |
1285 | { |
1286 | #ifdef FPS |
1287 | uint64 starttime,end; |
1288 | struct timeval tv; |
1289 | frcount=0; |
1290 | gettimeofday(&tv,0); |
1291 | starttime=((uint64)tv.tv_sec*1000000)+tv.tv_usec; |
1292 | #endif |
1293 | EmLoop(); |
1294 | |
1295 | #ifdef FPS |
1296 | // Probably won't work well on Windows port; for |
1297 | // debugging/speed testing. |
1298 | { |
1299 | uint64 w; |
1300 | int i,frac; |
1301 | gettimeofday(&tv,0); |
1302 | end=((uint64)tv.tv_sec*1000000)+tv.tv_usec; |
1303 | w=frcount*10000000000LL/(end-starttime); |
1304 | i=w/10000; |
1305 | frac=w-i*10000; |
1306 | printf("Average FPS: %d.%04d\n",i,frac); |
1307 | } |
1308 | #endif |
1309 | |
1310 | } |
1311 | |
1312 | void FCEUI_CloseGame(void) |
1313 | { |
1314 | Exit=1; |
1315 | } |
1316 | |
1317 | static void ResetPPU(void) |
1318 | { |
1319 | VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0; |
1320 | PPUSPL=0; |
1321 | PPUGenLatch=0; |
1322 | RefreshAddr=TempAddr=0; |
1323 | vtoggle = 0; |
1324 | } |
1325 | |
1326 | static void PowerPPU(void) |
1327 | { |
1328 | memset(NTARAM,0x00,0x800); |
1329 | memset(PALRAM,0x00,0x20); |
1330 | memset(SPRAM,0x00,0x100); |
1331 | ResetPPU(); |
1332 | } |
1333 | |
1334 | void ResetNES(void) |
1335 | { |
1336 | if(!GameLoaded || (FCEUGameInfo.type==GIT_NSF)) return; |
1337 | GameInterface(GI_RESETM2); |
1338 | ResetSound(); |
1339 | ResetPPU(); |
1340 | X6502_Reset(); |
1341 | } |
1342 | |
15300263 |
1343 | void PowerNES(void) |
c62d2810 |
1344 | { |
1345 | if(!GameLoaded) return; |
1346 | |
1347 | FCEU_CheatResetRAM(); |
1348 | FCEU_CheatAddRAM(2,0,RAM); |
1349 | |
1350 | GeniePower(); |
1351 | |
1352 | memset(RAM,0x00,0x800); |
1353 | ResetMapping(); |
1354 | GameInterface(GI_POWER); |
1355 | PowerSound(); |
1356 | PowerPPU(); |
1357 | timestampbase=0; |
1358 | X6502_Power(); |
1359 | } |
1360 | |