6244011f |
1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
4 | * Copyright (C) 1998 BERO |
5 | * Copyright (C) 2003 Xodnizel |
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 | |
24 | #include "types.h" |
25 | #include "x6502.h" |
26 | #include "fce.h" |
27 | #include "ppu098.h" |
28 | #include "nsf.h" |
77887306 |
29 | #include "sound.h" |
6244011f |
30 | #include "memory.h" |
31 | |
32 | #include "cart.h" |
33 | #include "palette.h" |
34 | #include "video.h" |
35 | #include "input.h" |
36 | |
77887306 |
37 | #ifdef GP2X |
38 | #include "drivers/gp2x/asmutils.h" |
39 | #endif |
40 | |
6244011f |
41 | #define Pal (PALRAM) |
42 | |
43 | static void FetchSpriteData098(void); |
44 | static void FASTAPASS(1) RefreshLine098(int lastpixel); |
45 | static void RefreshSprites098(void); |
46 | static void CopySprites098(uint8 *target); |
47 | |
48 | static void Fixit1(void); |
49 | static uint32 ppulut1[256]; |
50 | static uint32 ppulut2[256]; |
51 | static uint32 ppulut3[128]; |
52 | |
53 | static void makeppulut(void) |
54 | { |
55 | int x; |
56 | int y; |
57 | |
58 | for(x=0;x<256;x++) |
59 | { |
60 | ppulut1[x]=0; |
61 | for(y=0;y<8;y++) |
62 | ppulut1[x]|=((x>>(7-y))&1)<<(y*4); |
63 | ppulut2[x]=ppulut1[x]<<1; |
64 | } |
65 | |
66 | { |
67 | |
68 | int cc,xo,pixel; |
69 | |
70 | for(cc=0;cc<16;cc++) |
71 | { |
72 | for(xo=0;xo<8;xo++) |
73 | { |
74 | ppulut3[xo|(cc<<3)]=0; |
75 | for(pixel=0;pixel<8;pixel++) |
76 | { |
77 | int shiftr; |
78 | shiftr=(pixel+xo)/8; |
79 | shiftr*=2; |
80 | ppulut3[xo|(cc<<3)]|=(( cc>>shiftr )&3)<<(2+pixel*4); |
81 | } |
82 | // printf("%08x\n",ppulut3[xo|(cc<<3)]); |
83 | } |
84 | } |
85 | |
86 | } |
87 | } |
88 | |
cd9a6b51 |
89 | #if defined(ASM_6502) && !defined(DEBUG_ASM_6502) |
77887306 |
90 | static void asmcpu_update(int32 cycles) |
91 | { |
92 | // some code from x6502.c |
93 | fhcnt-=cycles; |
94 | if(fhcnt<=0) |
95 | { |
96 | FrameSoundUpdate(); |
97 | fhcnt+=fhinc; |
98 | } |
99 | |
100 | if(PCMIRQCount>0) |
101 | { |
102 | PCMIRQCount-=cycles; |
103 | if(PCMIRQCount<=0) |
104 | { |
105 | vdis=1; |
106 | if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40)) |
107 | { |
108 | extern uint8 SIRQStat; |
109 | SIRQStat|=0x80; |
110 | X6502_IRQBegin(FCEU_IQDPCM); |
111 | } |
112 | } |
113 | } |
114 | } |
6244011f |
115 | #endif |
116 | |
117 | extern int ppudead; |
118 | extern int kook; |
119 | |
120 | /* Color deemphasis emulation. Joy... */ |
121 | static uint8 deemp=0; |
122 | static int deempcnt[8]; |
123 | |
124 | extern int maxsprites; |
125 | |
126 | extern uint8 PPUSPL; |
127 | extern uint8 SPRAM[0x100]; |
128 | extern uint8 SPRBUF[0x100]; |
129 | |
130 | |
131 | #define MMC5SPRVRAMADR(V) &MMC5SPRVPage[(V)>>10][(V)] |
132 | #define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)] |
133 | #define VRAMADR(V) &VPage[(V)>>10][(V)] |
134 | |
135 | |
136 | static DECLFR(A2002) |
137 | { |
138 | uint8 ret; |
139 | |
140 | FCEUPPU_LineUpdate098(); |
141 | ret = PPU_status; |
142 | ret|=PPUGenLatch&0x1F; |
143 | |
144 | { |
145 | vtoggle=0; |
146 | PPU_status&=0x7F; |
147 | PPUGenLatch=ret; |
148 | } |
149 | return ret; |
150 | } |
151 | |
152 | static DECLFR(A200x) /* Not correct for $2004 reads. */ |
153 | { |
154 | FCEUPPU_LineUpdate098(); |
155 | return PPUGenLatch; |
156 | } |
157 | |
158 | /* |
159 | static DECLFR(A2004) |
160 | { |
161 | uint8 ret; |
162 | |
163 | FCEUPPU_LineUpdate098(); |
164 | ret = SPRAM[PPU[3]]; |
165 | |
166 | if(PPUSPL>=8) |
167 | { |
168 | if(PPU[3]>=8) |
169 | ret = SPRAM[PPU[3]]; |
170 | } |
171 | else |
172 | { |
173 | //printf("$%02x:$%02x\n",PPUSPL,V); |
174 | ret = SPRAM[PPUSPL]; |
175 | } |
176 | PPU[3]++; |
177 | PPUSPL++; |
178 | PPUGenLatch = ret; |
179 | printf("%d, %02x\n",scanline,ret); |
180 | return(ret); |
181 | } |
182 | */ |
183 | static DECLFR(A2007) |
184 | { |
185 | uint8 ret; |
186 | uint32 tmp=RefreshAddr&0x3FFF; |
187 | |
188 | FCEUPPU_LineUpdate098(); |
189 | |
190 | ret=VRAMBuffer; |
191 | |
192 | { |
193 | if(PPU_hook) PPU_hook(tmp); |
194 | PPUGenLatch=VRAMBuffer; |
195 | if(tmp<0x2000) |
196 | { |
197 | VRAMBuffer=VPage[tmp>>10][tmp]; |
198 | } |
199 | else |
200 | { |
201 | VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF]; |
202 | } |
203 | } |
204 | { |
205 | if(INC32) RefreshAddr+=32; |
206 | else RefreshAddr++; |
207 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
208 | } |
209 | return ret; |
210 | } |
211 | |
212 | static DECLFW(B2000) |
213 | { |
214 | // FCEU_printf("%04x:%02x, (%d) %02x, %02x\n",A,V,scanline,PPU[0],PPU_status); |
215 | |
216 | FCEUPPU_LineUpdate098(); |
217 | PPUGenLatch=V; |
218 | if(!(PPU[0]&0x80) && (V&0x80) && (PPU_status&0x80)) |
219 | { |
220 | // FCEU_printf("Trigger NMI, %d, %d\n",timestamp,ppudead); |
221 | // TriggerNMI2(); |
77887306 |
222 | TriggerNMI(); // TODO? |
6244011f |
223 | } |
224 | PPU[0]=V; |
225 | TempAddr&=0xF3FF; |
226 | TempAddr|=(V&3)<<10; |
227 | } |
228 | |
229 | static DECLFW(B2001) |
230 | { |
231 | //printf("%04x:$%02x, %d\n",A,V,scanline); |
232 | FCEUPPU_LineUpdate098(); |
233 | PPUGenLatch=V; |
234 | PPU[1]=V; |
235 | if(V&0xE0) |
236 | deemp=V>>5; |
237 | } |
238 | |
239 | static DECLFW(B2002) |
240 | { |
241 | PPUGenLatch=V; |
242 | } |
243 | |
244 | static DECLFW(B2003) |
245 | { |
246 | //printf("$%04x:$%02x, %d, %d\n",A,V,timestamp,scanline); |
247 | PPUGenLatch=V; |
248 | PPU[3]=V; |
249 | PPUSPL=V&0x7; |
250 | } |
251 | |
252 | static DECLFW(B2004) |
253 | { |
254 | //printf("Wr: %04x:$%02x\n",A,V); |
255 | |
256 | PPUGenLatch=V; |
257 | if(PPUSPL>=8) |
258 | { |
259 | if(PPU[3]>=8) |
260 | SPRAM[PPU[3]]=V; |
261 | } |
262 | else |
263 | { |
264 | //printf("$%02x:$%02x\n",PPUSPL,V); |
265 | SPRAM[PPUSPL]=V; |
266 | } |
267 | PPU[3]++; |
268 | PPUSPL++; |
269 | |
270 | } |
271 | |
272 | static DECLFW(B2005) |
273 | { |
274 | uint32 tmp=TempAddr; |
275 | FCEUPPU_LineUpdate098(); |
276 | PPUGenLatch=V; |
277 | if(!vtoggle) |
278 | { |
279 | tmp&=0xFFE0; |
280 | tmp|=V>>3; |
281 | XOffset=V&7; |
282 | } |
283 | else |
284 | { |
285 | tmp&=0x8C1F; |
286 | tmp|=((V&~0x7)<<2); |
287 | tmp|=(V&7)<<12; |
288 | } |
289 | TempAddr=tmp; |
290 | vtoggle^=1; |
291 | } |
292 | |
293 | |
294 | static DECLFW(B2006) |
295 | { |
296 | FCEUPPU_LineUpdate098(); |
297 | |
298 | PPUGenLatch=V; |
299 | if(!vtoggle) |
300 | { |
301 | TempAddr&=0x00FF; |
302 | TempAddr|=(V&0x3f)<<8; |
303 | } |
304 | else |
305 | { |
306 | TempAddr&=0xFF00; |
307 | TempAddr|=V; |
308 | |
309 | RefreshAddr=TempAddr; |
310 | if(PPU_hook) |
311 | PPU_hook(RefreshAddr); |
312 | //printf("%d, %04x\n",scanline,RefreshAddr); |
313 | } |
314 | vtoggle^=1; |
315 | } |
316 | |
317 | static DECLFW(B2007) |
318 | { |
319 | uint32 tmp=RefreshAddr&0x3FFF; |
320 | PPUGenLatch=V; |
321 | if(tmp>=0x3F00) |
322 | { |
323 | // hmmm.... |
324 | if(!(tmp&0xf)) |
325 | PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3F; |
326 | else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f; |
327 | } |
328 | else if(tmp<0x2000) |
329 | { |
330 | if(PPUCHRRAM&(1<<(tmp>>10))) |
331 | VPage[tmp>>10][tmp]=V; |
332 | } |
333 | else |
334 | { |
335 | if(PPUNTARAM&(1<<((tmp&0xF00)>>10))) |
336 | vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V; |
337 | } |
338 | // FCEU_printf("ppu (%04x) %04x:%04x %d, %d\n",X.PC,RefreshAddr,PPUGenLatch,scanline,timestamp); |
339 | if(INC32) RefreshAddr+=32; |
340 | else RefreshAddr++; |
341 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
342 | } |
343 | |
344 | static DECLFW(B4014) |
345 | { |
346 | uint32 t=V<<8; |
347 | int x; |
348 | |
349 | //for(x=0;x<256;x++) |
350 | // X6502_DMW(0x2004,X6502_DMR(t+x)); |
351 | for(x=0;x<256;x++) |
352 | B2004(0x2004,X.DB=ARead[t+x](t+x)); |
353 | X6502_AddCycles(512); |
354 | } |
355 | |
356 | #define PAL(c) ((c)+cc) |
357 | |
358 | #define GETLASTPIXEL (PAL?((timestamp*48-linestartts)/15) : ((timestamp*48-linestartts)>>4) ) |
359 | |
360 | static uint8 *Pline=0,*Plinef; |
361 | static int firsttile; |
362 | static int linestartts; |
363 | static int tofix=0; |
364 | |
365 | static void ResetRL(uint8 *target) |
366 | { |
77887306 |
367 | FCEU_dwmemset(target,0xffffffff,256); |
6244011f |
368 | if(InputScanlineHook) |
369 | InputScanlineHook(0,0,0,0); |
370 | Plinef=target; |
371 | Pline=target; |
372 | firsttile=0; |
642070a9 |
373 | linestartts=timestamp*48+X6502_GetCycleCount(); |
6244011f |
374 | tofix=0; |
375 | FCEUPPU_LineUpdate098(); |
376 | tofix=1; |
377 | } |
378 | |
379 | extern uint8 sprlinebuf[256+8]; |
380 | |
381 | void FCEUPPU_LineUpdate098(void) |
382 | { |
383 | if(Pline) |
384 | { |
385 | int l=GETLASTPIXEL; |
386 | RefreshLine098(l); |
387 | } |
388 | } |
389 | |
390 | static int rendis = 0; |
391 | |
392 | void FCEUI_SetRenderDisable(int sprites, int bg) |
393 | { |
394 | //printf("%d, %d\n",sprites,bg); |
395 | if(sprites >= 0) |
396 | { |
397 | if(sprites == 2) rendis ^= 1; |
398 | else rendis = (rendis &~1) | sprites?1:0; |
399 | } |
400 | if(bg >= 0) |
401 | { |
402 | if(bg == 2) rendis ^= 2; |
403 | else rendis = (rendis &~2) | bg?2:0; |
404 | } |
405 | } |
406 | |
407 | static void CheckSpriteHit(int p); |
408 | |
409 | static void EndRL(void) |
410 | { |
411 | RefreshLine098(272); |
412 | if(tofix) |
413 | Fixit1(); |
414 | CheckSpriteHit(272); |
415 | Pline=0; |
416 | } |
417 | |
418 | static int32 sphitx; |
419 | static uint8 sphitdata; |
420 | |
421 | static void CheckSpriteHit(int p) |
422 | { |
423 | int l=p-16; |
424 | int x; |
425 | |
426 | if(sphitx==0x100) return; |
427 | |
428 | for(x=sphitx;x<(sphitx+8) && x<l;x++) |
429 | { |
430 | if((sphitdata&(0x80>>(x-sphitx))) && !(Plinef[x]&64)) |
431 | { |
432 | PPU_status|=0x40; |
433 | //printf("Ha: %d, %d, Hita: %d, %d, %d, %d, %d\n",p,p&~7,scanline,GETLASTPIXEL-16,&Plinef[x],Pline,Pline-Plinef); |
434 | //printf("%d\n",GETLASTPIXEL-16); |
435 | //if(Plinef[x] == 0xFF) |
436 | //printf("PL: %d, %02x\n",scanline, Plinef[x]); |
437 | sphitx=0x100; |
438 | break; |
439 | } |
440 | } |
441 | } |
442 | static int spork=0; /* spork the world. Any sprites on this line? |
443 | Then this will be set to 1. Needed for zapper |
444 | emulation and *gasp* sprite emulation. |
445 | */ |
446 | |
447 | // lasttile is really "second to last tile." |
448 | static void FASTAPASS(1) RefreshLine098(int lastpixel) |
449 | { |
450 | static uint32 pshift[2]; |
451 | static uint32 atlatch; |
452 | uint32 smorkus=RefreshAddr; |
453 | |
454 | #define RefreshAddr smorkus |
455 | uint32 vofs; |
456 | int X1; |
457 | |
458 | register uint8 *P=Pline; |
459 | int lasttile=lastpixel>>3; |
460 | int numtiles; |
461 | static int norecurse=0; /* Yeah, recursion would be bad. |
462 | PPU_hook() functions can call |
463 | mirroring/chr bank switching functions, |
464 | which call FCEUPPU_LineUpdate, which call this |
465 | function. */ |
466 | if(norecurse) return; |
467 | |
468 | if(sphitx != 0x100 && !(PPU_status&0x40)) |
469 | { |
470 | if((sphitx < (lastpixel-16)) && !(sphitx < ((lasttile - 2)*8))) |
471 | { |
472 | //printf("OK: %d\n",scanline); |
473 | lasttile++; |
474 | } |
475 | |
476 | } |
477 | |
478 | if(lasttile>34) lasttile=34; |
479 | numtiles=lasttile-firsttile; |
480 | |
481 | if(numtiles<=0) return; |
482 | |
483 | P=Pline; |
484 | |
485 | vofs=0; |
486 | |
487 | vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7); |
488 | |
489 | if(!ScreenON && !SpriteON) |
490 | { |
491 | uint32 tem; |
642070a9 |
492 | int tiles; |
6244011f |
493 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
494 | tem|=0x40404040; |
642070a9 |
495 | tiles=numtiles; |
496 | if(firsttile+tiles > 256/8) tiles=256/8-firsttile; |
497 | if(tiles > 0) |
498 | FCEU_dwmemset(Pline,tem,tiles*8); |
6244011f |
499 | P+=numtiles*8; |
500 | Pline=P; |
501 | |
502 | firsttile=lasttile; |
503 | |
504 | #define TOFIXNUM (272-0x4) |
505 | if(lastpixel>=TOFIXNUM && tofix) |
506 | { |
507 | Fixit1(); |
508 | tofix=0; |
509 | } |
510 | |
511 | if(InputScanlineHook && (lastpixel-16)>=0) |
512 | { |
513 | InputScanlineHook(Plinef,spork?sprlinebuf:0,linestartts,lasttile*8-16); |
514 | } |
515 | return; |
516 | } |
517 | |
518 | /* Priority bits, needed for sprite emulation. */ |
519 | Pal[0]|=64; |
520 | Pal[4]|=64; |
521 | Pal[8]|=64; |
522 | Pal[0xC]|=64; |
523 | |
524 | /* This high-level graphics MMC5 emulation code was written |
525 | for MMC5 carts in "CL" mode. It's probably not totally |
526 | correct for carts in "SL" mode. |
527 | */ |
528 | |
529 | #define PPUT_MMC5 |
530 | if(MMC5Hack && geniestage!=1) |
531 | { |
532 | if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80)) |
533 | { |
534 | int tochange=MMC5HackSPMode&0x1F; |
535 | tochange-=firsttile; |
536 | for(X1=firsttile;X1<lasttile;X1++) |
537 | { |
538 | if((tochange<=0 && MMC5HackSPMode&0x40) || (tochange>0 && !(MMC5HackSPMode&0x40))) |
539 | { |
540 | #define PPUT_MMC5SP |
541 | #include "pputile098.h" |
542 | #undef PPUT_MMC5SP |
543 | } |
544 | else |
545 | { |
546 | #include "pputile098.h" |
547 | } |
548 | tochange--; |
549 | } |
550 | } |
551 | else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80)) |
552 | { |
553 | int tochange=MMC5HackSPMode&0x1F; |
554 | tochange-=firsttile; |
555 | |
556 | #define PPUT_MMC5SP |
557 | #define PPUT_MMC5CHR1 |
558 | for(X1=firsttile;X1<lasttile;X1++) |
559 | { |
560 | #include "pputile098.h" |
561 | } |
562 | #undef PPUT_MMC5CHR1 |
563 | #undef PPUT_MMC5SP |
564 | } |
565 | else if(MMC5HackCHRMode==1) |
566 | { |
567 | #define PPUT_MMC5CHR1 |
568 | for(X1=firsttile;X1<lasttile;X1++) |
569 | { |
570 | #include "pputile098.h" |
571 | } |
572 | #undef PPUT_MMC5CHR1 |
573 | } |
574 | else |
575 | { |
576 | for(X1=firsttile;X1<lasttile;X1++) |
577 | { |
578 | #include "pputile098.h" |
579 | } |
580 | } |
581 | } |
582 | #undef PPUT_MMC5 |
583 | else if(PPU_hook) |
584 | { |
585 | norecurse=1; |
586 | #define PPUT_HOOK |
587 | for(X1=firsttile;X1<lasttile;X1++) |
588 | { |
589 | #include "pputile098.h" |
590 | } |
591 | #undef PPUT_HOOK |
592 | norecurse=0; |
593 | } |
594 | else |
595 | { |
596 | for(X1=firsttile;X1<lasttile;X1++) |
597 | { |
598 | #include "pputile098.h" |
599 | } |
600 | } |
601 | |
602 | #undef vofs |
603 | #undef RefreshAddr |
604 | |
605 | /* Reverse changes made before. */ |
606 | Pal[0]&=63; |
607 | Pal[4]&=63; |
608 | Pal[8]&=63; |
609 | Pal[0xC]&=63; |
610 | |
611 | RefreshAddr=smorkus; |
612 | if(firsttile<=2 && 2<lasttile && !(PPU[1]&2)) |
613 | { |
614 | uint32 tem; |
615 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
616 | tem|=0x40404040; |
617 | *(uint32 *)Plinef=*(uint32 *)(Plinef+4)=tem; |
618 | } |
619 | |
620 | if(!ScreenON) |
621 | { |
622 | uint32 tem; |
623 | int tstart,tcount; |
624 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
625 | tem|=0x40404040; |
626 | |
627 | tcount=lasttile-firsttile; |
628 | tstart=firsttile-2; |
629 | if(tstart<0) |
630 | { |
631 | tcount+=tstart; |
632 | tstart=0; |
633 | } |
634 | if(tcount>0) |
635 | FCEU_dwmemset(Plinef+tstart*8,tem,tcount*8); |
636 | } |
637 | |
638 | if(lastpixel>=TOFIXNUM && tofix) |
639 | { |
640 | //puts("Fixed"); |
641 | Fixit1(); |
642 | tofix=0; |
643 | } |
644 | |
645 | //CheckSpriteHit(lasttile*8); //lasttile*8); //lastpixel); |
646 | |
647 | CheckSpriteHit(lastpixel); /* This only works right because |
648 | of a hack earlier in this function. |
649 | */ |
650 | if(InputScanlineHook && (lastpixel-16)>=0) |
651 | { |
652 | InputScanlineHook(Plinef,spork?sprlinebuf:0,linestartts,lasttile*8-16); |
653 | } |
654 | Pline=P; |
655 | firsttile=lasttile; |
656 | } |
657 | |
658 | static INLINE void Fixit2(void) |
659 | { |
660 | if(ScreenON || SpriteON) |
661 | { |
662 | uint32 rad=RefreshAddr; |
663 | rad&=0xFBE0; |
664 | rad|=TempAddr&0x041f; |
665 | RefreshAddr=rad; |
666 | //PPU_hook(RefreshAddr); |
667 | //PPU_hook(RefreshAddr,-1); |
668 | } |
669 | } |
670 | |
671 | static void Fixit1(void) |
672 | { |
673 | if(ScreenON || SpriteON) |
674 | { |
675 | uint32 rad=RefreshAddr; |
676 | |
677 | if((rad&0x7000)==0x7000) |
678 | { |
679 | rad^=0x7000; |
680 | if((rad&0x3E0)==0x3A0) |
681 | { |
682 | rad^=0x3A0; |
683 | rad^=0x800; |
684 | } |
685 | else |
686 | { |
687 | if((rad&0x3E0)==0x3e0) |
688 | rad^=0x3e0; |
689 | else rad+=0x20; |
690 | } |
691 | } |
692 | else |
693 | rad+=0x1000; |
694 | RefreshAddr=rad; |
695 | //PPU_hook(RefreshAddr); //,-1); |
696 | } |
697 | } |
698 | |
699 | void MMC5_hb(int); /* Ugh ugh ugh. */ |
700 | static void DoLine(void) |
701 | { |
cd9a6b51 |
702 | #ifndef GP2X |
6244011f |
703 | int x; |
cd9a6b51 |
704 | #endif |
6244011f |
705 | uint8 *target=XBuf+scanline*320+32; |
706 | |
707 | if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline); |
708 | |
709 | X6502_Run(256); |
710 | EndRL(); |
711 | |
712 | if(rendis & 2) /* User asked to not display background data. */ |
713 | { |
714 | uint32 tem; |
715 | tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24); |
716 | tem|=0x40404040; |
717 | FCEU_dwmemset(target,tem,256); |
718 | } |
719 | |
720 | if(SpriteON) |
721 | CopySprites098(target); |
722 | |
77887306 |
723 | #ifdef GP2X |
724 | if(ScreenON || SpriteON) // Yes, very el-cheapo. |
725 | { |
726 | if(PPU[1]&0x01) |
727 | block_and(target, 256, 0x30); |
728 | } |
729 | if((PPU[1]>>5)==0x7) |
730 | block_or(target, 256, 0xc0); |
731 | else if(PPU[1]&0xE0) |
732 | block_or(target, 256, 0x40); |
733 | else |
734 | block_andor(target, 256, 0x3f, 0x80); |
735 | #else |
6244011f |
736 | if(ScreenON || SpriteON) // Yes, very el-cheapo. |
737 | { |
738 | if(PPU[1]&0x01) |
739 | { |
740 | for(x=63;x>=0;x--) |
741 | *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0x30303030; |
742 | } |
743 | } |
744 | if((PPU[1]>>5)==0x7) |
745 | { |
746 | for(x=63;x>=0;x--) |
747 | *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0xc0c0c0c0; |
748 | } |
749 | else if(PPU[1]&0xE0) |
750 | for(x=63;x>=0;x--) |
751 | *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])|0x40404040; |
752 | else |
753 | for(x=63;x>=0;x--) |
754 | *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0x80808080; |
77887306 |
755 | #endif |
6244011f |
756 | |
757 | sphitx=0x100; |
758 | |
759 | if(ScreenON || SpriteON) |
760 | FetchSpriteData098(); |
761 | |
762 | if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18)) |
763 | { |
764 | X6502_Run(6); |
765 | Fixit2(); |
766 | X6502_Run(4); |
767 | GameHBIRQHook(); |
768 | X6502_Run(85-16-10); |
769 | } |
770 | else |
771 | { |
772 | X6502_Run(6); // Tried 65, caused problems with Slalom(maybe others) |
773 | Fixit2(); |
774 | X6502_Run(85-6-16); |
775 | |
776 | // A semi-hack for Star Trek: 25th Anniversary |
777 | if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18)) |
778 | GameHBIRQHook(); |
779 | } |
780 | |
781 | if(SpriteON) |
782 | RefreshSprites098(); |
783 | if(GameHBIRQHook2 && (ScreenON || SpriteON)) |
784 | GameHBIRQHook2(); |
785 | scanline++; |
786 | if(scanline<240) |
787 | { |
788 | ResetRL(XBuf+scanline*320+32); |
789 | } |
790 | X6502_Run(16); |
791 | } |
792 | |
793 | #define V_FLIP 0x80 |
794 | #define H_FLIP 0x40 |
795 | #define SP_BACK 0x20 |
796 | |
797 | typedef struct { |
798 | uint8 y,no,atr,x; |
799 | } SPR; |
800 | |
801 | typedef struct { |
802 | uint8 ca[2],atr,x; |
803 | } SPRB; |
804 | |
805 | static uint8 numsprites,SpriteBlurp; |
806 | static void FetchSpriteData098(void) |
807 | { |
808 | uint8 ns,sb; |
809 | SPR *spr; |
810 | uint8 H; |
811 | int n; |
812 | int vofs; |
813 | uint8 P0=PPU[0]; |
814 | |
815 | spr=(SPR *)SPRAM; |
816 | H=8; |
817 | |
818 | ns=sb=0; |
819 | |
820 | vofs=(unsigned int)(P0&0x8&(((P0&0x20)^0x20)>>2))<<9; |
821 | H+=(P0&0x20)>>2; |
822 | |
823 | if(!PPU_hook) |
824 | for(n=63;n>=0;n--,spr++) |
825 | { |
826 | if((unsigned int)(scanline-spr->y)>=H) continue; |
827 | //printf("%d, %u\n",scanline,(unsigned int)(scanline-spr->y)); |
828 | if(ns<maxsprites) |
829 | { |
830 | if(n==63) sb=1; |
831 | |
832 | { |
833 | SPRB dst; |
834 | uint8 *C; |
835 | int t; |
836 | unsigned int vadr; |
837 | |
838 | t = (int)scanline-(spr->y); |
839 | |
840 | if(Sprite16) |
841 | vadr = ((spr->no&1)<<12) + ((spr->no&0xFE)<<4); |
842 | else |
843 | vadr = (spr->no<<4)+vofs; |
844 | |
845 | if(spr->atr&V_FLIP) |
846 | { |
847 | vadr+=7; |
848 | vadr-=t; |
849 | vadr+=(P0&0x20)>>1; |
850 | vadr-=t&8; |
851 | } |
852 | else |
853 | { |
854 | vadr+=t; |
855 | vadr+=t&8; |
856 | } |
857 | |
858 | /* Fix this geniestage hack */ |
859 | if(MMC5Hack && geniestage!=1) C = MMC5SPRVRAMADR(vadr); |
860 | else C = VRAMADR(vadr); |
861 | |
862 | |
863 | dst.ca[0]=C[0]; |
864 | dst.ca[1]=C[8]; |
865 | dst.x=spr->x; |
866 | dst.atr=spr->atr; |
867 | |
868 | *(uint32 *)&SPRBUF[ns<<2]=*(uint32 *)&dst; |
869 | } |
870 | |
871 | ns++; |
872 | } |
873 | else |
874 | { |
875 | PPU_status|=0x20; |
876 | break; |
877 | } |
878 | } |
879 | else |
880 | for(n=63;n>=0;n--,spr++) |
881 | { |
882 | if((unsigned int)(scanline-spr->y)>=H) continue; |
883 | |
884 | if(ns<maxsprites) |
885 | { |
886 | if(n==63) sb=1; |
887 | |
888 | { |
889 | SPRB dst; |
890 | uint8 *C; |
891 | int t; |
892 | unsigned int vadr; |
893 | |
894 | t = (int)scanline-(spr->y); |
895 | |
896 | if(Sprite16) |
897 | vadr = ((spr->no&1)<<12) + ((spr->no&0xFE)<<4); |
898 | else |
899 | vadr = (spr->no<<4)+vofs; |
900 | |
901 | if(spr->atr&V_FLIP) |
902 | { |
903 | vadr+=7; |
904 | vadr-=t; |
905 | vadr+=(P0&0x20)>>1; |
906 | vadr-=t&8; |
907 | } |
908 | else |
909 | { |
910 | vadr+=t; |
911 | vadr+=t&8; |
912 | } |
913 | |
914 | if(MMC5Hack) C = MMC5SPRVRAMADR(vadr); |
915 | else C = VRAMADR(vadr); |
916 | dst.ca[0]=C[0]; |
917 | if(ns<8) |
918 | { |
919 | PPU_hook(0x2000); |
920 | PPU_hook(vadr); |
921 | } |
922 | dst.ca[1]=C[8]; |
923 | dst.x=spr->x; |
924 | dst.atr=spr->atr; |
925 | |
926 | |
927 | *(uint32 *)&SPRBUF[ns<<2]=*(uint32 *)&dst; |
928 | } |
929 | |
930 | ns++; |
931 | } |
932 | else |
933 | { |
934 | PPU_status|=0x20; |
935 | break; |
936 | } |
937 | } |
938 | //if(ns>=7) |
939 | //printf("%d %d\n",scanline,ns); |
940 | if(ns>8) PPU_status|=0x20; /* Handle case when >8 sprites per |
941 | scanline option is enabled. */ |
942 | else if(PPU_hook) |
943 | { |
944 | for(n=0;n<(8-ns);n++) |
945 | { |
946 | PPU_hook(0x2000); |
947 | PPU_hook(vofs); |
948 | } |
949 | } |
950 | numsprites=ns; |
951 | SpriteBlurp=sb; |
952 | } |
953 | |
954 | static void RefreshSprites098(void) |
955 | { |
956 | int n; |
957 | SPRB *spr; |
958 | |
959 | spork=0; |
960 | if(!numsprites) return; |
961 | |
962 | FCEU_dwmemset(sprlinebuf,0x80808080,256); |
963 | numsprites--; |
964 | spr = (SPRB*)SPRBUF+numsprites; |
965 | |
966 | for(n=numsprites;n>=0;n--,spr--) |
967 | { |
968 | //#ifdef C80x86 |
969 | //register uint32 pixdata asm ("eax"); |
970 | //register uint8 J, atr; |
971 | //#else |
972 | register uint32 pixdata; |
973 | register uint8 J,atr; |
974 | //#endif |
975 | |
976 | int x=spr->x; |
977 | uint8 *C; |
978 | uint8 *VB; |
979 | |
980 | pixdata=ppulut1[spr->ca[0]]|ppulut2[spr->ca[1]]; |
981 | J=spr->ca[0]|spr->ca[1]; |
982 | atr=spr->atr; |
983 | |
984 | if(J) |
985 | { |
986 | if(n==0 && SpriteBlurp && !(PPU_status&0x40)) |
987 | { |
988 | sphitx=x; |
989 | sphitdata=J; |
990 | if(atr&H_FLIP) |
991 | sphitdata= ((J<<7)&0x80) | |
992 | ((J<<5)&0x40) | |
993 | ((J<<3)&0x20) | |
994 | ((J<<1)&0x10) | |
995 | ((J>>1)&0x08) | |
996 | ((J>>3)&0x04) | |
997 | ((J>>5)&0x02) | |
998 | ((J>>7)&0x01); |
999 | } |
1000 | |
1001 | C = sprlinebuf+x; |
1002 | VB = (PALRAM+0x10)+((atr&3)<<2); |
1003 | |
1004 | if(atr&SP_BACK) |
1005 | { |
1006 | if(atr&H_FLIP) |
1007 | { |
1008 | if(J&0x80) C[7]=VB[pixdata&3]|0x40; |
1009 | pixdata>>=4; |
1010 | if(J&0x40) C[6]=VB[pixdata&3]|0x40; |
1011 | pixdata>>=4; |
1012 | if(J&0x20) C[5]=VB[pixdata&3]|0x40; |
1013 | pixdata>>=4; |
1014 | if(J&0x10) C[4]=VB[pixdata&3]|0x40; |
1015 | pixdata>>=4; |
1016 | if(J&0x08) C[3]=VB[pixdata&3]|0x40; |
1017 | pixdata>>=4; |
1018 | if(J&0x04) C[2]=VB[pixdata&3]|0x40; |
1019 | pixdata>>=4; |
1020 | if(J&0x02) C[1]=VB[pixdata&3]|0x40; |
1021 | pixdata>>=4; |
1022 | if(J&0x01) C[0]=VB[pixdata]|0x40; |
1023 | } else { |
1024 | if(J&0x80) C[0]=VB[pixdata&3]|0x40; |
1025 | pixdata>>=4; |
1026 | if(J&0x40) C[1]=VB[pixdata&3]|0x40; |
1027 | pixdata>>=4; |
1028 | if(J&0x20) C[2]=VB[pixdata&3]|0x40; |
1029 | pixdata>>=4; |
1030 | if(J&0x10) C[3]=VB[pixdata&3]|0x40; |
1031 | pixdata>>=4; |
1032 | if(J&0x08) C[4]=VB[pixdata&3]|0x40; |
1033 | pixdata>>=4; |
1034 | if(J&0x04) C[5]=VB[pixdata&3]|0x40; |
1035 | pixdata>>=4; |
1036 | if(J&0x02) C[6]=VB[pixdata&3]|0x40; |
1037 | pixdata>>=4; |
1038 | if(J&0x01) C[7]=VB[pixdata]|0x40; |
1039 | } |
1040 | } else { |
1041 | if(atr&H_FLIP) |
1042 | { |
1043 | if(J&0x80) C[7]=VB[pixdata&3]; |
1044 | pixdata>>=4; |
1045 | if(J&0x40) C[6]=VB[pixdata&3]; |
1046 | pixdata>>=4; |
1047 | if(J&0x20) C[5]=VB[pixdata&3]; |
1048 | pixdata>>=4; |
1049 | if(J&0x10) C[4]=VB[pixdata&3]; |
1050 | pixdata>>=4; |
1051 | if(J&0x08) C[3]=VB[pixdata&3]; |
1052 | pixdata>>=4; |
1053 | if(J&0x04) C[2]=VB[pixdata&3]; |
1054 | pixdata>>=4; |
1055 | if(J&0x02) C[1]=VB[pixdata&3]; |
1056 | pixdata>>=4; |
1057 | if(J&0x01) C[0]=VB[pixdata]; |
1058 | }else{ |
1059 | if(J&0x80) C[0]=VB[pixdata&3]; |
1060 | pixdata>>=4; |
1061 | if(J&0x40) C[1]=VB[pixdata&3]; |
1062 | pixdata>>=4; |
1063 | if(J&0x20) C[2]=VB[pixdata&3]; |
1064 | pixdata>>=4; |
1065 | if(J&0x10) C[3]=VB[pixdata&3]; |
1066 | pixdata>>=4; |
1067 | if(J&0x08) C[4]=VB[pixdata&3]; |
1068 | pixdata>>=4; |
1069 | if(J&0x04) C[5]=VB[pixdata&3]; |
1070 | pixdata>>=4; |
1071 | if(J&0x02) C[6]=VB[pixdata&3]; |
1072 | pixdata>>=4; |
1073 | if(J&0x01) C[7]=VB[pixdata]; |
1074 | } |
1075 | } |
1076 | } |
1077 | } |
1078 | SpriteBlurp=0; |
1079 | spork=1; |
1080 | } |
1081 | |
1082 | static void CopySprites098(uint8 *target) |
1083 | { |
1084 | uint8 n=((PPU[1]&4)^4)<<1; |
1085 | uint8 *P=target; |
1086 | |
1087 | if(!spork) return; |
1088 | spork=0; |
1089 | |
1090 | if(rendis & 1) return; /* User asked to not display sprites. */ |
1091 | |
1092 | loopskie: |
1093 | { |
1094 | uint32 t=*(uint32 *)(sprlinebuf+n); |
1095 | |
1096 | if(t!=0x80808080) |
1097 | { |
1098 | #ifdef LSB_FIRST |
1099 | if(!(t&0x80)) |
1100 | { |
1101 | if(!(t&0x40) || (P[n]&0x40)) // Normal sprite || behind bg sprite |
1102 | P[n]=sprlinebuf[n]; |
1103 | } |
1104 | |
1105 | if(!(t&0x8000)) |
1106 | { |
1107 | if(!(t&0x4000) || (P[n+1]&0x40)) // Normal sprite || behind bg sprite |
1108 | P[n+1]=(sprlinebuf+1)[n]; |
1109 | } |
1110 | |
1111 | if(!(t&0x800000)) |
1112 | { |
1113 | if(!(t&0x400000) || (P[n+2]&0x40)) // Normal sprite || behind bg sprite |
1114 | P[n+2]=(sprlinebuf+2)[n]; |
1115 | } |
1116 | |
1117 | if(!(t&0x80000000)) |
1118 | { |
1119 | if(!(t&0x40000000) || (P[n+3]&0x40)) // Normal sprite || behind bg sprite |
1120 | P[n+3]=(sprlinebuf+3)[n]; |
1121 | } |
1122 | #else |
1123 | /* TODO: Simplify */ |
1124 | if(!(t&0x80000000)) |
1125 | { |
1126 | if(!(t&0x40000000)) // Normal sprite |
1127 | P[n]=sprlinebuf[n]; |
1128 | else if(P[n]&64) // behind bg sprite |
1129 | P[n]=sprlinebuf[n]; |
1130 | } |
1131 | |
1132 | if(!(t&0x800000)) |
1133 | { |
1134 | if(!(t&0x400000)) // Normal sprite |
1135 | P[n+1]=(sprlinebuf+1)[n]; |
1136 | else if(P[n+1]&64) // behind bg sprite |
1137 | P[n+1]=(sprlinebuf+1)[n]; |
1138 | } |
1139 | |
1140 | if(!(t&0x8000)) |
1141 | { |
1142 | if(!(t&0x4000)) // Normal sprite |
1143 | P[n+2]=(sprlinebuf+2)[n]; |
1144 | else if(P[n+2]&64) // behind bg sprite |
1145 | P[n+2]=(sprlinebuf+2)[n]; |
1146 | } |
1147 | |
1148 | if(!(t&0x80)) |
1149 | { |
1150 | if(!(t&0x40)) // Normal sprite |
1151 | P[n+3]=(sprlinebuf+3)[n]; |
1152 | else if(P[n+3]&64) // behind bg sprite |
1153 | P[n+3]=(sprlinebuf+3)[n]; |
1154 | } |
1155 | #endif |
1156 | } |
1157 | } |
1158 | n+=4; |
1159 | if(n) goto loopskie; |
1160 | } |
1161 | |
1162 | void FCEUPPU_Init(void) |
1163 | { |
1164 | makeppulut(); |
1165 | } |
1166 | |
1167 | void FCEUPPU_Reset(void) |
1168 | { |
1169 | VRAMBuffer=PPU[0]=PPU[1]=PPU_status=PPU[3]=0; |
1170 | PPUSPL=0; |
1171 | PPUGenLatch=0; |
1172 | RefreshAddr=TempAddr=0; |
1173 | vtoggle = 0; |
1174 | ppudead = 2; |
1175 | kook = 0; |
1176 | |
1177 | // XOffset=0; |
1178 | } |
1179 | |
1180 | void FCEUPPU_Power(void) |
1181 | { |
1182 | int x; |
1183 | |
1184 | memset(NTARAM,0x00,0x800); |
1185 | memset(PALRAM,0x00,0x20); |
1186 | memset(SPRAM,0x00,0x100); |
1187 | FCEUPPU_Reset(); |
1188 | |
1189 | for(x=0x2000;x<0x4000;x+=8) |
1190 | { |
1191 | ARead[x]=A200x; |
1192 | BWrite[x]=B2000; |
1193 | ARead[x+1]=A200x; |
1194 | BWrite[x+1]=B2001; |
1195 | ARead[x+2]=A2002; |
1196 | BWrite[x+2]=B2002; |
1197 | ARead[x+3]=A200x; |
1198 | BWrite[x+3]=B2003; |
1199 | ARead[x+4]=A200x; //A2004; |
1200 | BWrite[x+4]=B2004; |
1201 | ARead[x+5]=A200x; |
1202 | BWrite[x+5]=B2005; |
1203 | ARead[x+6]=A200x; |
1204 | BWrite[x+6]=B2006; |
1205 | ARead[x+7]=A2007; |
1206 | BWrite[x+7]=B2007; |
1207 | } |
1208 | BWrite[0x4014]=B4014; |
1209 | } |
1210 | |
1211 | |
1212 | void FCEUPPU_Loop(int skip) |
1213 | { |
1214 | uint32 scanlines_per_frame = PAL ? 312 : 262; |
1215 | |
1216 | if(ppudead) /* Needed for Knight Rider, possibly others. */ |
1217 | { |
1218 | //memset(XBuf, 0x80, 256*240); |
a384bf44 |
1219 | //X6502_Run(scanlines_per_frame*(256+85)); |
1220 | int lines; |
1221 | for (lines=scanlines_per_frame;lines;lines--) |
1222 | X6502_Run(256+85); |
6244011f |
1223 | ppudead--; |
1224 | } |
1225 | else |
1226 | { |
1227 | X6502_Run(256+85); |
1228 | PPU_status |= 0x80; |
1229 | PPU[3]=PPUSPL=0; /* Not sure if this is correct. According |
1230 | to Matt Conte and my own tests, it is. Timing is probably |
1231 | off, though. NOTE: Not having this here |
1232 | breaks a Super Donkey Kong game. */ |
1233 | /* I need to figure out the true nature and length |
1234 | of this delay. |
1235 | */ |
1236 | X6502_Run(12); |
1237 | if(FCEUGameInfo.type==GIT_NSF) |
1238 | DoNSFFrame(); |
1239 | else |
1240 | { |
1241 | if(VBlankON) |
1242 | TriggerNMI(); |
1243 | } |
a384bf44 |
1244 | // Note: this is needed for asm core |
1245 | { |
1246 | int lines; |
1247 | X6502_Run(256+85-12); |
1248 | for (lines=scanlines_per_frame-242-1;lines;lines--) |
1249 | X6502_Run(256+85); |
1250 | } |
6244011f |
1251 | PPU_status&=0x1f; |
1252 | X6502_Run(256); |
1253 | |
1254 | { |
1255 | int x; |
1256 | |
1257 | if(ScreenON || SpriteON) |
1258 | { |
1259 | if(GameHBIRQHook && ((PPU[0]&0x38)!=0x18)) |
1260 | GameHBIRQHook(); |
1261 | if(PPU_hook) |
1262 | for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} |
1263 | if(GameHBIRQHook2) |
1264 | GameHBIRQHook2(); |
1265 | } |
1266 | X6502_Run(85-16); |
1267 | if(ScreenON || SpriteON) |
1268 | { |
1269 | RefreshAddr=TempAddr; |
1270 | if(PPU_hook) PPU_hook(RefreshAddr&0x3fff); |
1271 | } |
1272 | |
1273 | /* Clean this stuff up later. */ |
1274 | spork=numsprites=0; |
1275 | ResetRL(XBuf+32); |
1276 | |
1277 | X6502_Run(16-kook); |
1278 | kook ^= 1; |
1279 | } |
1280 | if(FCEUGameInfo.type==GIT_NSF) |
1281 | { |
a384bf44 |
1282 | // run scanlines for asm core to fuction |
1283 | for(scanline=0;scanline<240;scanline++) |
1284 | X6502_Run(256+85); |
6244011f |
1285 | } |
1286 | #ifdef FRAMESKIP |
1287 | else if(skip) |
1288 | { |
a384bf44 |
1289 | int y, lines; |
6244011f |
1290 | |
1291 | y=SPRAM[0]; |
1292 | y++; |
1293 | |
1294 | PPU_status|=0x20; // Fixes "Bee 52". Does it break anything? |
1295 | if(GameHBIRQHook) |
1296 | { |
1297 | X6502_Run(256); |
1298 | for(scanline=0;scanline<240;scanline++) |
1299 | { |
1300 | if(ScreenON || SpriteON) |
1301 | GameHBIRQHook(); |
1302 | if(scanline==y && SpriteON) PPU_status|=0x40; |
1303 | X6502_Run((scanline==239)?85:(256+85)); |
1304 | } |
1305 | } |
1306 | else if(y<240) |
1307 | { |
a384bf44 |
1308 | for (lines=y;lines;lines--) |
1309 | X6502_Run(256+85); |
6244011f |
1310 | if(SpriteON) PPU_status|=0x40; // Quick and very dirty hack. |
a384bf44 |
1311 | for (lines=240-y;lines;lines--) |
1312 | X6502_Run(256+85); |
6244011f |
1313 | } |
1314 | else |
a384bf44 |
1315 | { |
1316 | for (lines=240;lines;lines--) |
1317 | X6502_Run(256+85); |
1318 | } |
6244011f |
1319 | } |
1320 | #endif |
1321 | else |
1322 | { |
1323 | int x,max,maxref; |
1324 | |
1325 | deemp=PPU[1]>>5; |
1326 | for(scanline=0;scanline<240;) //scanline is incremented in DoLine. Evil. :/ |
1327 | { |
1328 | deempcnt[deemp]++; |
1329 | #ifdef WIN32 |
1330 | if((PPUViewer) && (scanline == PPUViewScanline)) UpdatePPUView(1); |
1331 | #endif |
1332 | DoLine(); |
1333 | } |
1334 | if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline); |
1335 | for(x=1,max=0,maxref=0;x<7;x++) |
1336 | { |
1337 | if(deempcnt[x]>max) |
1338 | { |
1339 | max=deempcnt[x]; |
1340 | maxref=x; |
1341 | } |
1342 | deempcnt[x]=0; |
1343 | } |
1344 | //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); |
1345 | //memset(deempcnt,0,sizeof(deempcnt)); |
1346 | SetNESDeemph(maxref,0); |
1347 | } |
1348 | } /* else... to if(ppudead) */ |
1349 | } |
1350 | |
1351 | |