notaz.gp2x.de / fceu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
compile fix
[fceu.git] / fce.c
CommitLineData
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"
6244011f 29#include "fceu098.h"
c62d2810 30#include "sound.h"
77887306 31#include "svga.h"
c62d2810 32#include "netplay.h"
33#include "general.h"
34#include "endian.h"
35#include "version.h"
36#include "memory.h"
37
38#include "cart.h"
39#include "nsf.h"
40#include "fds.h"
41#include "ines.h"
42#include "unif.h"
15d2d258 43#include "vsuni.h"
c62d2810 44#include "cheat.h"
45
46#include "state.h"
47#include "video.h"
48#include "input.h"
49#include "file.h"
50#include "crc32.h"
5232c20c 51#include "ppu.h"
c62d2810 52
92764e62 53#include "palette.h"
5a2aa426 54#include "movie.h"
55
4fdfab07 56#include "dprintf.h"
57
6587f346 58#ifdef GP2X
59#include "drivers/gp2x/asmutils.h"
60#endif
61
c62d2810 62#define Pal (PALRAM)
63
5232c20c 64
4a1bf31b 65static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL;
c62d2810 66static void PRefreshLine(void);
5232c20c 67
c62d2810 68static void ResetPPU(void);
69static void PowerPPU(void);
70
71uint64 timestampbase=0;
72
6244011f 73int ppudead=1;
74int kook=0;
4fdfab07 75
c62d2810 76int MMC5Hack;
77uint32 MMC5HackVROMMask;
78uint8 *MMC5HackExNTARAMPtr;
79uint8 *MMC5HackVROMPTR;
15300263 80uint8 MMC5HackCHRMode=0;
c62d2810 81uint8 MMC5HackSPMode;
82uint8 MMC5HackSPScroll;
83uint8 MMC5HackSPPage;
84
85uint8 *MMC5SPRVPage[8];
86uint8 *MMC5BGVPage[8];
87
88
89uint8 VRAMBuffer,PPUGenLatch;
90
91uint8 *vnapage[4];
92uint8 PPUNTARAM;
93uint8 PPUCHRRAM;
94
95/* Color deemphasis emulation. Joy... */
96static uint8 deemp=0;
97static int deempcnt[8];
98
c62d2810 99FCEUGI FCEUGameInfo;
c4980f9e 100void (*GameInterface)(int h, void *param);
c62d2810 101
102void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
103
104void (*GameStateRestore)(int version);
d97315ac 105void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void);
c62d2810 106
107readfunc ARead[0x10000];
108writefunc BWrite[0x10000];
109static readfunc *AReadG;
110static writefunc *BWriteG;
111static int RWWrap=0;
112
92e249b1 113#ifdef ASM_6502
cd9a6b51 114#ifndef DEBUG_ASM_6502
92e249b1 115static void asmcpu_update(int32 cycles)
116{
92e249b1 117 // some code from x6502.c
118 fhcnt-=cycles;
119 if(fhcnt<=0)
120 {
121 FrameSoundUpdate();
122 fhcnt+=fhinc;
123 }
124
125 if(PCMIRQCount>0)
126 {
127 PCMIRQCount-=cycles;
128 if(PCMIRQCount<=0)
129 {
130 vdis=1;
131 if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40))
132 {
133 extern uint8 SIRQStat;
134 SIRQStat|=0x80;
135 X6502_IRQBegin(FCEU_IQDPCM);
136 }
137 }
138 }
139}
cd9a6b51 140#endif
92e249b1 141
142void asmcpu_unpack(void)
143{
144 nes_registers[0] = X.A << 24;
145 nes_registers[1] = X.X;
146 nes_registers[2] = X.Y;
147 pc_base = 0;
148 nes_registers[3] = X.PC;
c0bf6f9f 149 X6502_Rebase_a();
92e249b1 150 nes_registers[4] = X.S << 24;
151 nes_registers[4]|= X.IRQlow << 8;
0bb3fe12 152 if (MapIRQHook)
153 nes_registers[4] |= 1<<16; // MapIRQHook set bit
8fa5eb33 154 nes_registers[7] = (uint32)X.count << 16;
92e249b1 155
156 // NVUB DIZC
157 nes_registers[4]|= X.P & 0x5d;
158 nes_registers[5] = X.P << 24; // N
159 if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
160}
161
162void asmcpu_pack(void)
163{
164 X.A = nes_registers[0] >> 24;
165 X.X = nes_registers[1];
166 X.Y = nes_registers[2];
167 X.PC= nes_registers[3] - pc_base;
168 X.S = nes_registers[4] >> 24;
169 X.IRQlow = nes_registers[4] >> 8;
8fa5eb33 170 X.count = (int32) nes_registers[7] >> 16;
92e249b1 171
172 // NVUB DIZC
173 X.P = nes_registers[4] & 0x5d;
174 if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N
175 if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z
176}
177#endif
178
c62d2810 179DECLFW(BNull)
180{
181
182}
183
184DECLFR(ANull)
185{
186 return(X.DB);
187}
188
189int AllocGenieRW(void)
190{
191 if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc))))
192 return 0;
193 if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc))))
194 return 0;
195 RWWrap=1;
196 return 1;
197}
198
199void FlushGenieRW(void)
200{
201 int32 x;
202
203 if(RWWrap)
204 {
205 for(x=0;x<0x8000;x++)
206 {
207 ARead[x+0x8000]=AReadG[x];
208 BWrite[x+0x8000]=BWriteG[x];
209 }
b8da43fb 210#ifdef ASM_6502
211 GenieSetPages(1);
212#endif
c62d2810 213 free(AReadG);
214 free(BWriteG);
215 AReadG=0;
216 BWriteG=0;
217 RWWrap=0;
218 }
219}
220
221readfunc FASTAPASS(1) GetReadHandler(int32 a)
222{
223 if(a>=0x8000 && RWWrap)
224 return AReadG[a-0x8000];
225 else
226 return ARead[a];
227}
228
229void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func)
230{
231 int32 x;
232
233 if(!func)
234 func=ANull;
235
236 if(RWWrap)
237 for(x=end;x>=start;x--)
238 {
239 if(x>=0x8000)
240 AReadG[x-0x8000]=func;
241 else
242 ARead[x]=func;
243 }
244 else
245
246 for(x=end;x>=start;x--)
247 ARead[x]=func;
248}
249
250writefunc FASTAPASS(1) GetWriteHandler(int32 a)
251{
252 if(RWWrap && a>=0x8000)
253 return BWriteG[a-0x8000];
254 else
255 return BWrite[a];
256}
257
258void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func)
259{
260 int32 x;
261
262 if(!func)
263 func=BNull;
264
265 if(RWWrap)
266 for(x=end;x>=start;x--)
267 {
268 if(x>=0x8000)
269 BWriteG[x-0x8000]=func;
270 else
271 BWrite[x]=func;
272 }
273 else
274 for(x=end;x>=start;x--)
275 BWrite[x]=func;
276}
277
278uint8 vtoggle=0;
279uint8 XOffset=0;
280
281uint32 TempAddr,RefreshAddr;
282
c62d2810 283
284/* scanline is equal to the current visible scanline we're on. */
285
286int scanline;
c62d2810 287
9115e7d2 288uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
289uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
290uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
92e249b1 291#if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
9115e7d2 292uint8 RAM[0x800] __attribute__ ((aligned (4)));
af32b6c2 293#endif
9115e7d2 294
c62d2810 295uint8 PPU[4];
296uint8 PPUSPL;
297
c62d2810 298uint8 PAL=0;
299
5232c20c 300
c62d2810 301#define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)]
302#define VRAMADR(V) &VPage[(V)>>10][(V)]
15300263 303
4fdfab07 304static int linestartts;
305static int tofix=0;
306
e328100e 307static uint8 *Plinef;
308
309extern uint8 sprlinebuf[256+8];
310extern int32 sphitx;
311extern uint8 sphitdata;
312
313extern int spork; /* spork the world. Any sprites on this line?
314 Then this will be set to 1. Needed for zapper
315 emulation and *gasp* sprite emulation.
316 */
317
318static void ResetRL(uint8 *target)
4fdfab07 319{
e328100e 320 if(InputScanlineHook)
321 InputScanlineHook(0,0,0,0);
322 Plinef=target;
4fdfab07 323 linestartts=timestamp*48+X6502_GetCycleCount();
324 tofix=1;
325}
326
327static INLINE void Fixit1(void);
328
e328100e 329/* faking FCEUPPU_LineUpdate() from later versions of the emu */
330static void FakedLineUpdate(void)
4fdfab07 331{
332 #define TOFIXNUM (272-0x4)
333 int lastpixel;
334
e328100e 335 if (scanline >= 240) return;
336
337 if (tofix || sphitx != 0x100)
4fdfab07 338 {
339 lastpixel = (timestamp*48-linestartts)>>4;
340 if (PAL) lastpixel += lastpixel>>4;
4fdfab07 341 //printf("lastpixel: %i\n", lastpixel);
e328100e 342 }
343
344 if (tofix && lastpixel>=TOFIXNUM)
345 {
346 Fixit1();
347 tofix=0;
348 }
4fdfab07 349
e328100e 350 // CheckSpriteHit()
351 if(sphitx!=0x100)
352 {
353 int l=lastpixel-16;
354 int x;
355
356 for(x=sphitx;x<(sphitx+8) && x<l;x++)
4fdfab07 357 {
e328100e 358 if((sphitdata&(0x80>>(x-sphitx))) && !(Plinef[x]&64))
359 {
360 PPU_status|=0x40;
361 sphitx=0x100;
362 break;
363 }
4fdfab07 364 }
365 }
366}
367
368
c62d2810 369static DECLFW(BRAML)
15300263 370{
c62d2810 371 RAM[A]=V;
372}
373
374static DECLFW(BRAMH)
375{
376 RAM[A&0x7FF]=V;
377}
378
379static DECLFR(ARAML)
380{
381 return RAM[A];
382}
383
384static DECLFR(ARAMH)
385{
386 return RAM[A&0x7FF];
387}
388
15300263 389
c62d2810 390static DECLFR(A2002)
391{
4fdfab07 392 /* merged */
c62d2810 393 uint8 ret;
4fdfab07 394
e328100e 395 FakedLineUpdate();
c62d2810 396 ret = PPU_status;
4fdfab07 397 ret|=PPUGenLatch&0x1F;
c62d2810 398 vtoggle=0;
399 PPU_status&=0x7F;
4fdfab07 400 PPUGenLatch=ret;
ea80a45b 401 //dprintf("r [2002] %02x",ret);
4fdfab07 402 return ret;
c62d2810 403}
404
405static DECLFR(A200x)
406{
4fdfab07 407 /* merged */
e328100e 408 FakedLineUpdate();
c62d2810 409 return PPUGenLatch;
410}
411
412static DECLFR(A2007)
413{
4fdfab07 414 /* merged */
c62d2810 415 uint8 ret;
416 uint32 tmp=RefreshAddr&0x3FFF;
417
e328100e 418 FakedLineUpdate();
4fdfab07 419
420 ret=VRAMBuffer;
421
c62d2810 422 if(PPU_hook) PPU_hook(tmp);
4fdfab07 423 PPUGenLatch=VRAMBuffer;
15300263 424 if(tmp<0x2000)
c62d2810 425 {
426 VRAMBuffer=VPage[tmp>>10][tmp];
427 }
15300263 428 else
c62d2810 429 {
430 VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF];
431 }
432
433 if (INC32) RefreshAddr+=32;
434 else RefreshAddr++;
435 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
4fdfab07 436 dprintf("r [2007] %02x",ret);
c62d2810 437 return ret;
438}
439
440static DECLFW(B2000)
441{
4fdfab07 442 /* NMI2? */
e328100e 443 FakedLineUpdate();
c62d2810 444 PPUGenLatch=V;
445 PPU[0]=V;
446 TempAddr&=0xF3FF;
447 TempAddr|=(V&3)<<10;
448}
449
450static DECLFW(B2001)
451{
4fdfab07 452 /* merged */
e328100e 453 FakedLineUpdate();
c62d2810 454 PPUGenLatch=V;
455 PPU[1]=V;
456 if(V&0xE0)
457 deemp=V>>5;
458 //printf("$%04x:$%02x, %d\n",X.PC,V,scanline);
459}
460
461static DECLFW(B2002)
462{
4fdfab07 463 /* merged */
c62d2810 464 PPUGenLatch=V;
465}
466
467static DECLFW(B2003)
468{
4fdfab07 469 /* merged */
c62d2810 470 PPUGenLatch=V;
471 PPU[3]=V;
472 PPUSPL=V&0x7;
473}
474
475static DECLFW(B2004)
476{
4fdfab07 477 /* merged */
c62d2810 478 PPUGenLatch=V;
4fdfab07 479 if(PPUSPL>=8)
c62d2810 480 {
481 if(PPU[3]>=8)
482 SPRAM[PPU[3]]=V;
483 }
484 else
485 {
486 //printf("$%02x:$%02x\n",PPUSPL,V);
487 SPRAM[PPUSPL]=V;
c62d2810 488 }
489 PPU[3]++;
4fdfab07 490 PPUSPL++;
5232c20c 491
c62d2810 492}
493
494static DECLFW(B2005)
495{
4fdfab07 496 /* merged */
c62d2810 497 uint32 tmp=TempAddr;
e328100e 498 FakedLineUpdate();
c62d2810 499 PPUGenLatch=V;
500 if (!vtoggle)
501 {
502 tmp&=0xFFE0;
503 tmp|=V>>3;
504 XOffset=V&7;
505 }
506 else
507 {
508 tmp&=0x8C1F;
509 tmp|=((V&~0x7)<<2);
510 tmp|=(V&7)<<12;
511 }
512
513 TempAddr=tmp;
514 vtoggle^=1;
515}
516
517static DECLFW(B2006)
518{
4fdfab07 519 /* merged */
e328100e 520 FakedLineUpdate();
4fdfab07 521
c62d2810 522 PPUGenLatch=V;
523 if(!vtoggle)
524 {
525 TempAddr&=0x00FF;
526 TempAddr|=(V&0x3f)<<8;
527 }
528 else
529 {
530 TempAddr&=0xFF00;
531 TempAddr|=V;
c62d2810 532
4fdfab07 533 RefreshAddr=TempAddr;
c62d2810 534 if(PPU_hook)
535 PPU_hook(RefreshAddr);
536 }
537 vtoggle^=1;
538}
539
540static DECLFW(B2007)
15300263 541{
4fdfab07 542 /* merged */
c62d2810 543 uint32 tmp=RefreshAddr&0x3FFF;
c62d2810 544 PPUGenLatch=V;
545 if(tmp>=0x3F00)
546 {
4fdfab07 547 // hmmm....
548 if(!(tmp&0xf))
549 PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f;
550 else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
c62d2810 551 }
552 else if(tmp<0x2000)
553 {
554 if(PPUCHRRAM&(1<<(tmp>>10)))
555 VPage[tmp>>10][tmp]=V;
556 }
557 else
15300263 558 {
c62d2810 559 if(PPUNTARAM&(1<<((tmp&0xF00)>>10)))
560 vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V;
561 }
562 if (INC32) RefreshAddr+=32;
563 else RefreshAddr++;
564 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
565}
566
567static DECLFW(B4014)
15300263 568{
c62d2810 569 uint32 t=V<<8;
570 int x;
4fdfab07 571
c62d2810 572 for(x=0;x<256;x++)
573 B2004(0x2004,X.DB=ARead[t+x](t+x));
574 X6502_AddCycles(512);
575}
576
5232c20c 577void BGRender(uint8 *target)
c62d2810 578{
4a1bf31b 579 uint32 tem, vofs;
580 vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
581
582 Pal[0]|=64;
583 Pal[4]|=64;
584 Pal[8]|=64;
585 Pal[0xC]|=64;
586 RefreshLine(target-XOffset, vofs);
587 Pal[0]&=63;
588 Pal[4]&=63;
589 Pal[8]&=63;
590 Pal[0xC]&=63;
591
c62d2810 592 if(!(PPU[1]&2))
593 {
9115e7d2 594 tem=Pal[0]|0x40;
595 tem|=tem<<8;
596 tem|=tem<<16;
c62d2810 597 *(uint32 *)target=*(uint32 *)(target+4)=tem;
598 }
599}
600
601#ifdef FRAMESKIP
5232c20c 602int FSkip=0;
c62d2810 603void FCEUI_FrameSkip(int x)
604{
605 FSkip=x;
606}
607#endif
608
609/* This is called at the beginning of each visible scanline */
e328100e 610static void LineUpdate(uint8 *target)
c62d2810 611{
612 uint32 tem;
c0623dcf 613 int y;
c62d2810 614
078eb4c0 615 /* PRefreshLine() will not get called on skipped frames. This
616 * could cause a problem, but the solution would be rather complex,
617 * due to the current sprite 0 hit code.
618 */
c0623dcf 619 if(FSkip)
620 {
621 y=(int)SPRAM[0] + 1;
622 if(scanline==y && SpriteON) PPU_status|=0x40; // hack
623 return;
624 }
078eb4c0 625
626 if(scanline < FSettings.FirstSLine || scanline > FSettings.LastSLine)
e328100e 627 {
628 if(PPU_hook)
629 PRefreshLine();
c0623dcf 630 y=(int)SPRAM[0] + 1;
631 if(scanline==y && SpriteON) PPU_status|=0x40;
e328100e 632 }
633 else
634 {
635 if(ScreenON)
c62d2810 636 {
21afaa36 637 BGRender(target);
c62d2810 638 }
e328100e 639 else
c62d2810 640 {
e328100e 641 tem=Pal[0]|0x40;
642 tem|=tem << 8;
643 tem|=tem << 16;
644 FCEU_dwmemset(target,tem,256);
c62d2810 645 }
15300263 646 }
e328100e 647
c62d2810 648 if(InputScanlineHook)
e328100e 649 InputScanlineHook(target,spork?sprlinebuf:0,linestartts,256);
650}
651
652
653static void LineUpdateEnd(uint8 *target)
654{
655#ifdef GP2X
656 if(ScreenON || SpriteON) // Yes, very el-cheapo.
657 {
658 if(PPU[1]&0x01)
659 block_and(target, 256, 0x30);
660 }
661 if((PPU[1]>>5)==0x7)
662 block_or(target, 256, 0xc0);
663 else if(PPU[1]&0xE0)
664 block_or(target, 256, 0x40);
665 else
666 block_andor(target, 256, 0x3f, 0x80);
667#else
668 int x;
669
670 if(ScreenON || SpriteON) // Yes, very el-cheapo.
671 {
672 if(PPU[1]&0x01)
673 {
674 for(x=63;x>=0;x--)
675 *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0x30303030;
676 }
677 }
678 if((PPU[1]>>5)==0x7)
679 {
680 for(x=63;x>=0;x--)
681 *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0xc0c0c0c0;
682 }
683 else if(PPU[1]&0xE0)
684 for(x=63;x>=0;x--)
685 *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])|0x40404040;
686 else
687 for(x=63;x>=0;x--)
688 *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0x80808080;
689#endif
690
691 // black borders
692 ((uint32 *)target)[-2]=((uint32 *)target)[-1]=0;
693 ((uint32 *)target)[64]=((uint32 *)target)[65]=0;
c62d2810 694}
695
696#define PAL(c) ((c)+cc)
697
698
699static void PRefreshLine(void)
700{
078eb4c0 701 uint32 vofs;
702 int X1;
703 vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
704 void (*PPU_hook_)(uint32 A) = PPU_hook;
c62d2810 705
c62d2810 706
078eb4c0 707 for(X1=33;X1;X1--)
708 {
709 uint32 zz2;
710 uint32 vadr;
711
712 zz2=(RefreshAddr>>10)&3;
713 PPU_hook_(0x2000|(RefreshAddr&0xFFF));
714
715 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
716
717 PPU_hook_(vadr);
c62d2810 718
c62d2810 719 if((RefreshAddr&0x1f)==0x1f)
720 RefreshAddr^=0x41F;
721 else
722 RefreshAddr++;
078eb4c0 723 }
c62d2810 724}
725
4a1bf31b 726/* This high-level graphics MMC5 emulation code was written
727 for MMC5 carts in "CL" mode. It's probably not totally
728 correct for carts in "SL" mode.
729 */
730static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs)
c62d2810 731{
4a1bf31b 732 int8 tochange, X1;
c62d2810 733
734 tochange=MMC5HackSPMode&0x1F;
735
736 for(X1=33;X1;X1--,P+=8)
737 {
738 uint8 *C;
5232c20c 739 uint8 cc,zz,zz2;
c62d2810 740 uint32 vadr;
741
15300263 742 if((tochange<=0 && MMC5HackSPMode&0x40) ||
c62d2810 743 (tochange>0 && !(MMC5HackSPMode&0x40)))
744 {
745 uint8 xs,ys;
746
15300263 747 xs=33-X1;
c62d2810 748 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
749 if(ys>=0x1E) ys-=0x1E;
750 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
751
752 C = MMC5HackVROMPTR+vadr;
753 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
754
755 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
756 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
757 }
758 else
759 {
760 zz=RefreshAddr&0x1F;
761 zz2=(RefreshAddr>>10)&3;
762 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
763 C = MMC5BGVRAMADR(vadr);
764 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
765 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
766 }
767 #include "fceline.h"
768
769 if((RefreshAddr&0x1f)==0x1f)
770 RefreshAddr^=0x41F;
771 else
772 RefreshAddr++;
773 tochange--;
774 }
4a1bf31b 775}
776
777static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs)
778{
779 int8 tochange, X1;
c62d2810 780
781 tochange=MMC5HackSPMode&0x1F;
782
783 for(X1=33;X1;X1--,P+=8)
784 {
785 uint8 *C;
5232c20c 786 uint8 cc;
787 uint8 zz2;
c62d2810 788 uint32 vadr;
789
790 if((tochange<=0 && MMC5HackSPMode&0x40) ||
791 (tochange>0 && !(MMC5HackSPMode&0x40)))
792 {
793 uint8 xs,ys;
794
15300263 795 xs=33-X1;
c62d2810 796 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
797 if(ys>=0x1E) ys-=0x1E;
798 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
799
800 C = MMC5HackVROMPTR+vadr;
801 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
802
803 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
804 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
805 }
806 else
807 {
808 C=MMC5HackVROMPTR;
809 zz2=(RefreshAddr>>10)&3;
810 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
811 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
812 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
813 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
814 cc = vadr;
815 }
816 #include "fceline.h"
817 if((RefreshAddr&0x1f)==0x1f)
818 RefreshAddr^=0x41F;
819 else
820 RefreshAddr++;
821 tochange--;
822 }
4a1bf31b 823}
824
825static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs)
826{
827 int8 X1;
c62d2810 828
c62d2810 829 for(X1=33;X1;X1--,P+=8)
830 {
15300263 831 uint8 *C;
5232c20c 832 uint8 cc;
833 uint8 zz2;
15300263 834 uint32 vadr;
c62d2810 835
836 C=MMC5HackVROMPTR;
837 zz2=(RefreshAddr>>10)&3;
838 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
15300263 839 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
c62d2810 840 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
841 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
842 cc = vadr;
843
844 #include "fceline.h"
845 if((RefreshAddr&0x1f)==0x1f)
846 RefreshAddr^=0x41F;
847 else
848 RefreshAddr++;
849 }
4a1bf31b 850}
851
852static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs)
853{
854 int8 X1;
855
c62d2810 856 for(X1=33;X1;X1--,P+=8)
857 {
858 uint8 *C;
5232c20c 859 uint8 cc,zz,zz2;
c62d2810 860 uint32 vadr;
861
862 zz=RefreshAddr&0x1F;
863 zz2=(RefreshAddr>>10)&3;
864 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
865 C = MMC5BGVRAMADR(vadr);
866 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
867 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
868
869 #include "fceline.h"
15300263 870
c62d2810 871 if((RefreshAddr&0x1f)==0x1f)
872 RefreshAddr^=0x41F;
873 else
874 RefreshAddr++;
15300263 875 }
4a1bf31b 876}
877
878static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs)
879{
880 int8 X1;
078eb4c0 881 void (*PPU_hook_)(uint32 A) = PPU_hook;
882 uint32 rfraddr = RefreshAddr;
883 uint8 *page = vnapage[(rfraddr>>10)&3];
c62d2810 884
c62d2810 885 for(X1=33;X1;X1--,P+=8)
886 {
15300263 887 uint8 *C;
078eb4c0 888 uint8 cc,zz;
15300263 889 uint32 vadr;
c62d2810 890
078eb4c0 891 zz=rfraddr&0x1F;
892 PPU_hook_(0x2000|(rfraddr&0xFFF));
893 cc=page[0x3c0+(zz>>2)+((rfraddr&0x380)>>4)];
894 cc=((cc >> ((zz&2) + ((rfraddr&0x40)>>4))) &3) <<2;
895 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
c62d2810 896 C = VRAMADR(vadr);
897
898 #include "fceline.h"
899
078eb4c0 900 PPU_hook_(vadr);
c62d2810 901
078eb4c0 902 if((rfraddr&0x1f)==0x1f) {
903 rfraddr^=0x41F;
904 page = vnapage[(rfraddr>>10)&3];
905 } else
906 rfraddr++;
c62d2810 907 }
078eb4c0 908 RefreshAddr = rfraddr;
4a1bf31b 909}
910
9115e7d2 911static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
4a1bf31b 912{
913 int8 X1;
9115e7d2 914 uint32 rfraddr = RefreshAddr;
915 uint8 *page = vnapage[(rfraddr>>10)&3];
916 uint32 cc2=0;
4a1bf31b 917
9115e7d2 918 if ((rfraddr&0xc)!=0)
919 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
920
921 for (X1=33;X1;X1--,P+=8)
c62d2810 922 {
9115e7d2 923 uint8 cc,*C;
c62d2810 924 uint32 vadr;
925
9115e7d2 926 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
c62d2810 927 C = VRAMADR(vadr);
9115e7d2 928 if ((rfraddr&0xc)==0)
929 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
930 cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2;
4a1bf31b 931
9115e7d2 932 #include "fceline.h"
15300263 933
9115e7d2 934 if((rfraddr&0x1f)==0x1f) {
935 rfraddr^=0x41F;
936 page = vnapage[(rfraddr>>10)&3];
937 } else
938 rfraddr++;
c62d2810 939 }
9115e7d2 940 RefreshAddr = rfraddr;
4a1bf31b 941}
c62d2810 942
4a1bf31b 943static void SetRefreshLine(void)
944{
945 if(MMC5Hack && geniestage!=1)
946 {
947 if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80))
948 {
949 if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n");
950 RefreshLine = RefreshLine_MMC5Hack1;
951 }
952 else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80))
953 {
954 if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n");
955 RefreshLine = RefreshLine_MMC5Hack2;
956 }
957 else if(MMC5HackCHRMode==1)
958 {
959 if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n");
960 RefreshLine = RefreshLine_MMC5Hack3;
961 }
962 else
963 {
964 if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n");
965 RefreshLine = RefreshLine_MMC5Hack4;
966 }
967 } // End if(MMC5Hack)
968 else if(PPU_hook)
969 {
970 if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n");
971 RefreshLine = RefreshLine_PPU_hook;
972 }
973 else
974 {
975 if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n");
976 RefreshLine = RefreshLine_normal;
977 }
c62d2810 978}
979
4fdfab07 980static INLINE
937bf65b 981void Fixit2(void)
c62d2810 982{
983 if(ScreenON || SpriteON)
984 {
985 uint32 rad=RefreshAddr;
986 rad&=0xFBE0;
987 rad|=TempAddr&0x041f;
988 RefreshAddr=rad;
989 //PPU_hook(RefreshAddr,-1);
990 }
991}
992
4fdfab07 993static INLINE
937bf65b 994void Fixit1(void)
c62d2810 995{
996 if(ScreenON || SpriteON)
997 {
998 uint32 rad=RefreshAddr;
999
1000 if((rad&0x7000)==0x7000)
1001 {
1002 rad^=0x7000;
1003 if((rad&0x3E0)==0x3A0)
1004 {
1005 rad^=0x3A0;
1006 rad^=0x800;
1007 }
1008 else
1009 {
1010 if((rad&0x3E0)==0x3e0)
1011 rad^=0x3e0;
1012 else rad+=0x20;
1013 }
1014 }
1015 else
1016 rad+=0x1000;
1017 RefreshAddr=rad;
1018 //PPU_hook(RefreshAddr,-1);
1019 }
1020}
1021
937bf65b 1022
5232c20c 1023// ============================//
1024// end of new code
1025// ===========================//
c62d2810 1026
1027void ResetMapping(void)
1028{
1029 int x;
1030
1031 SetReadHandler(0x0000,0xFFFF,ANull);
1032 SetWriteHandler(0x0000,0xFFFF,BNull);
1033
1034 SetReadHandler(0,0x7FF,ARAML);
1035 SetWriteHandler(0,0x7FF,BRAML);
1036
1037 SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */
1038 SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
1039
1040 for(x=0x2000;x<0x4000;x+=8)
1041 {
1042 ARead[x]=A200x;
1043 BWrite[x]=B2000;
1044 ARead[x+1]=A200x;
1045 BWrite[x+1]=B2001;
1046 ARead[x+2]=A2002;
1047 BWrite[x+2]=B2002;
1048 ARead[x+3]=A200x;
1049 BWrite[x+3]=B2003;
1050 ARead[x+4]=A200x;
1051 BWrite[x+4]=B2004;
1052 ARead[x+5]=A200x;
1053 BWrite[x+5]=B2005;
1054 ARead[x+6]=A200x;
1055 BWrite[x+6]=B2006;
1056 ARead[x+7]=A2007;
1057 BWrite[x+7]=B2007;
1058 }
1059
1060 BWrite[0x4014]=B4014;
1061 SetNESSoundMap();
1062 InitializeInput();
1063}
1064
1065int GameLoaded=0;
1066void CloseGame(void)
1067{
c4980f9e 1068 FCEUI_StopMovie();
c62d2810 1069 if(GameLoaded)
1070 {
1071 if(FCEUGameInfo.type!=GIT_NSF)
92764e62 1072 FCEU_FlushGameCheats(0,0);
c62d2810 1073 #ifdef NETWORK
1074 if(FSettings.NetworkPlay) KillNetplay();
15300263 1075 #endif
c4980f9e 1076 GameInterface(GI_CLOSE, 0);
c62d2810 1077 CloseGenie();
1078 GameLoaded=0;
1079 }
1080}
1081
1082void ResetGameLoaded(void)
1083{
1084 if(GameLoaded) CloseGame();
1085 GameStateRestore=0;
1086 PPU_hook=0;
d97315ac 1087 GameHBIRQHook=GameHBIRQHook2=0;
c62d2810 1088 GameExpSound.Fill=0;
1089 GameExpSound.RChange=0;
1090 if(GameExpSound.Kill)
1091 GameExpSound.Kill();
1092 GameExpSound.Kill=0;
1093 MapIRQHook=0;
1094 MMC5Hack=0;
1095 PAL&=1;
1096 pale=0;
1097
1098 FCEUGameInfo.name=0;
1099 FCEUGameInfo.type=GIT_CART;
1100 FCEUGameInfo.vidsys=GIV_USER;
1101 FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1;
1102 FCEUGameInfo.inputfc=-1;
6244011f 1103
1104 FCEUGameInfo.soundchan=0;
1105 FCEUGameInfo.soundrate=0;
1106 FCEUGameInfo.cspecial=0;
c62d2810 1107}
1108
5a2aa426 1109char lastLoadedGameName [2048];
989672f4 1110int LoadGameLastError = 0;
d97315ac 1111int UNIFLoad(const char *name, int fp);
1112int iNESLoad(const char *name, int fp);
1113int FDSLoad(const char *name, int fp);
1114int NSFLoad(int fp);
5a2aa426 1115
c62d2810 1116FCEUGI *FCEUI_LoadGame(char *name)
1117{
5a2aa426 1118 char name2[512];
892b1f6c 1119 int have_movie = 0, have_ips = 0;
c62d2810 1120 int fp;
1121
b2b95d2e 1122 //Exit=1;
989672f4 1123 LoadGameLastError = 0;
c62d2810 1124 ResetGameLoaded();
1125
5a2aa426 1126 strncpy(name2, name, sizeof(name2));
1127 name2[sizeof(name2)-1] = 0;
1128
1129 fp=FCEU_fopen(name2,"rb");
c62d2810 1130 if(!fp)
1131 {
1132 FCEU_PrintError("Error opening \"%s\"!",name);
989672f4 1133 LoadGameLastError = 1;
c62d2810 1134 return 0;
1135 }
1136
5a2aa426 1137 {
1138 char *p = name2 + strlen(name2) - 4;
892b1f6c 1139 if (strcasecmp(p, ".fcm") == 0) printf("movie detected\n"), have_movie = 1;
1140 if (strcasecmp(p, ".ips") == 0) printf("ips detected\n"), have_ips = 1;
1141 if (have_movie || have_ips)
5a2aa426 1142 {
1143 // movie detected
5a2aa426 1144 FCEU_fclose(fp);
1145 *p = 0;
1146 fp=FCEU_fopen(name2,"rb");
892b1f6c 1147 if (!fp && p - name2 > 2)
1148 {
1149 for (p--; p > name2 && *p != '.'; p--);
1150 *p = 0;
1151 fp=FCEU_fopen(name2,"rb");
1152 }
5a2aa426 1153 if (!fp) {
892b1f6c 1154 printf("no ROM for ips/movie\n");
989672f4 1155 LoadGameLastError = 2;
5a2aa426 1156 return 0;
1157 }
5a2aa426 1158 }
1159 }
1160
892b1f6c 1161 // do IPS patch
1162 if (have_ips)
1163 {
1164 FCEU_fclose(fp);
1165 FILE *ips = fopen(name, "rb");
1166 if (!ips) return 0;
1167 fp=FCEU_fopen_forcemem(name2);
1168 if (!fp) { fclose(ips); return 0; }
1169 ApplyIPS(ips, fp); // closes ips
1170 }
1171
5a2aa426 1172 GetFileBase(name2);
1173 if(iNESLoad(name2,fp))
c62d2810 1174 goto endlseq;
1175 if(NSFLoad(fp))
1176 goto endlseq;
5a2aa426 1177 if(FDSLoad(name2,fp))
c62d2810 1178 goto endlseq;
5a2aa426 1179 if(UNIFLoad(name2,fp))
c62d2810 1180 goto endlseq;
1181
1182 FCEU_PrintError("An error occurred while loading the file.");
1183 FCEU_fclose(fp);
989672f4 1184 // format handlers may set LoadGameLastError themselves.
1185 if (LoadGameLastError == 0) LoadGameLastError = 3;
c62d2810 1186 return 0;
1187
1188 endlseq:
1189 FCEU_fclose(fp);
15300263 1190 GameLoaded=1;
c62d2810 1191
1192 FCEU_ResetVidSys();
1193 if(FCEUGameInfo.type!=GIT_NSF)
1194 if(FSettings.GameGenie)
1195 OpenGenie();
1196
1197 PowerNES();
1198 #ifdef NETWORK
1199 if(FSettings.NetworkPlay) InitNetplay();
1200 #endif
1201 SaveStateRefresh();
1202 if(FCEUGameInfo.type!=GIT_NSF)
1203 {
92764e62 1204 FCEU_LoadGamePalette();
1205 FCEU_LoadGameCheats(0);
c62d2810 1206 }
15300263 1207
c62d2810 1208 FCEU_ResetPalette();
1209 Exit=0;
5a2aa426 1210
1211 if (have_movie)
1212 FCEUI_LoadMovie(name, 1);
989672f4 1213
1214 strcpy(lastLoadedGameName, name2);
1215
c62d2810 1216 return(&FCEUGameInfo);
1217}
1218
1219
1220void FCEU_ResetVidSys(void)
1221{
1222 int w;
1223
1224 if(FCEUGameInfo.vidsys==GIV_NTSC)
1225 w=0;
1226 else if(FCEUGameInfo.vidsys==GIV_PAL)
1227 w=1;
1228 else
1229 w=FSettings.PAL;
1230
1231 if(w)
1232 {
1233 PAL=1;
c62d2810 1234 FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
1235 FSettings.LastSLine=FSettings.UsrLastSLine[1];
1236 }
1237 else
1238 {
1239 PAL=0;
c62d2810 1240 FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
1241 FSettings.LastSLine=FSettings.UsrLastSLine[0];
1242 }
0b65fdb3 1243 printf("ResetVidSys: PAL = %i\n", PAL);
c62d2810 1244 SetSoundVariables();
1245}
1246
1247int FCEUI_Initialize(void)
1248{
1249 if(!InitVirtualVideo())
1250 return 0;
1251 memset(&FSettings,0,sizeof(FSettings));
1252 FSettings.UsrFirstSLine[0]=8;
1253 FSettings.UsrFirstSLine[1]=0;
1254 FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239;
92764e62 1255 FSettings.SoundVolume=100;
6244011f 1256
1257 FCEUI_Initialize098();
1258 FCEUI_SetEmuMode(0);
1259
c62d2810 1260 return 1;
1261}
1262
6244011f 1263void FCEUI_Kill(void)
1264{
1265 FCEU_KillGenie();
1266}
1267
1268static void EmLoop(void);
1269
a384bf44 1270int use098code = 0;
6244011f 1271void (*ResetNES)(void) = 0;
1272void (*PowerNES)(void) = 0;
1273void (*FCEUI_Emulate)(void) = 0;
1274
1275void FCEUI_SetEmuMode(int is_new)
1276{
a384bf44 1277 use098code = is_new;
6244011f 1278 if (is_new)
1279 {
1280 ResetNES=ResetNES098;
1281 PowerNES=PowerNES098;
1282 FCEUI_Emulate=FCEUI_Emulate098;
1283 }
1284 else
1285 {
1286 ResetNES=ResetNES081;
1287 PowerNES=PowerNES081;
1288 FCEUI_Emulate=EmLoop;
1289 }
1290}
1291
ea80a45b 1292void MMC5_hb(int); /* Ugh ugh ugh. */
e328100e 1293static void DoLine(void)
c62d2810 1294{
e328100e 1295 uint8 *target=XBuf+scanline*320+32;
1296
1297 LineUpdate(target);
c62d2810 1298
ea80a45b 1299 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1300
e328100e 1301 X6502_Run(256);
1302
f12b1f31 1303 // check: Battletoads & Double Dragon, Addams Family
1304 // sky glitches in SMB1 if done wrong
e328100e 1305 FakedLineUpdate();
1306
1307#ifdef FRAMESKIP
1308 if(!FSkip)
1309#endif
21afaa36 1310 if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine)
1311 {
1312 if(SpriteON && spork)
1313 CopySprites(target);
e328100e 1314
21afaa36 1315 LineUpdateEnd(target);
1316 }
e328100e 1317 sphitx=0x100;
1318
1319 if(ScreenON || SpriteON)
1320 FetchSpriteData();
1321
1322 // DoHBlank();
1323 if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
15300263 1324 {
e328100e 1325 X6502_Run(6);
1326 Fixit2();
1327 X6502_Run(4);
1328 GameHBIRQHook();
1329 X6502_Run(85-10-16);
c62d2810 1330 }
1331 else
1332 {
e328100e 1333 X6502_Run(6); // Tried 65, caused problems with Slalom(maybe others)
1334 Fixit2();
1335 X6502_Run(85-6-16);
c62d2810 1336 }
e328100e 1337
1338 if(SpriteON)
1339 RefreshSprites();
1340 if(GameHBIRQHook2 && (ScreenON || SpriteON))
1341 GameHBIRQHook2();
1342 scanline++;
1343 if (scanline<240)
1344 ResetRL(XBuf+scanline*320+32);
1345 X6502_Run(16);
c62d2810 1346}
c62d2810 1347
e328100e 1348
6244011f 1349static void EmLoop(void)
c62d2810 1350{
1351 for(;;)
1352 {
ea80a45b 1353 int x;
92e249b1 1354 uint32 scanlines_per_frame = PAL ? 312 : 262;
4fdfab07 1355 UpdateInput();
92764e62 1356 FCEU_ApplyPeriodicCheats();
4fdfab07 1357
1358 // FCEUPPU_Loop:
1359 if(ppudead) /* Needed for Knight Rider, possibly others. */
1360 {
6587f346 1361 //memset(XBuf, 0, 320*240);
a384bf44 1362 //X6502_Run(scanlines_per_frame*(256+85));
1363 int lines;
1364 for (lines=scanlines_per_frame;lines;lines--)
1365 X6502_Run(256+85);
4fdfab07 1366 ppudead--;
1367 goto update;
1368 }
ea80a45b 1369
c62d2810 1370 X6502_Run(256+85);
1371
1372 PPU[2]|=0x80;
1373 PPU[3]=PPUSPL=0; /* Not sure if this is correct. According
1374 to Matt Conte and my own tests, it is. Timing is probably
1375 off, though. NOTE: Not having this here
1376 breaks a Super Donkey Kong game. */
1377
1378 X6502_Run(12); /* I need to figure out the true nature and length
15300263 1379 of this delay.
c62d2810 1380 */
1381 if(FCEUGameInfo.type==GIT_NSF)
ea80a45b 1382 DoNSFFrame();
c62d2810 1383 else if(VBlankON)
1384 TriggerNMI();
1385
655f8df0 1386 // Note: this is needed for asm core
1387 // Warning: using 'scanline' var here breaks Castlevania III
1388 {
1389 int lines;
1390 X6502_Run(256+85-12);
1391 for (lines=scanlines_per_frame-242-1;lines;lines--)
1392 X6502_Run(256+85);
1393 }
1394 // X6502_Run((scanlines_per_frame-242)*(256+85)-12);
c62d2810 1395 PPU_status&=0x1f;
c62d2810 1396 X6502_Run(256);
ea80a45b 1397
c62d2810 1398 {
c62d2810 1399 if(ScreenON || SpriteON)
d97315ac 1400 {
c62d2810 1401 if(GameHBIRQHook)
1402 GameHBIRQHook();
ea80a45b 1403 if(PPU_hook)
1404 for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
d97315ac 1405 if(GameHBIRQHook2)
1406 GameHBIRQHook2();
1407 }
c62d2810 1408
4fdfab07 1409 X6502_Run(85-16);
c62d2810 1410
4fdfab07 1411 if(ScreenON || SpriteON)
1412 {
1413 RefreshAddr=TempAddr;
1414 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
1415 }
e328100e 1416 spork=0;
1417 ResetRL(XBuf+32);
4fdfab07 1418
1419 X6502_Run(16-kook);
1420 kook ^= 1;
c62d2810 1421 }
4fdfab07 1422
c62d2810 1423 if(FCEUGameInfo.type==GIT_NSF)
937bf65b 1424 {
6587f346 1425 // run scanlines for asm core to fuction
13624c8f 1426 for(scanline=0;scanline<240;scanline++)
1427 X6502_Run(256+85);
937bf65b 1428 }
c62d2810 1429 else
1430 {
1431 int x,max,maxref;
1432
1433 deemp=PPU[1]>>5;
4a1bf31b 1434 SetRefreshLine();
4fdfab07 1435 for(scanline=0;scanline<240;) // scanline is incremented in DoLine. Evil. :/
c62d2810 1436 {
1437 deempcnt[deemp]++;
e328100e 1438 DoLine();
c62d2810 1439 }
ea80a45b 1440 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
c62d2810 1441 for(x=1,max=0,maxref=0;x<7;x++)
1442 {
1443 if(deempcnt[x]>max)
1444 {
1445 max=deempcnt[x];
1446 maxref=x;
1447 }
1448 deempcnt[x]=0;
1449 }
c62d2810 1450 SetNESDeemph(maxref,0);
1451 }
1452
4fdfab07 1453update:
47d0839e 1454 if(Exit)
1455 {
1456 //CloseGame();
1457 break;
1458 }
1459
c62d2810 1460 {
1461 int ssize;
1462
1463 ssize=FlushEmulateSound();
1464
4fdfab07 1465 timestampbase += timestamp;
1466 timestamp = 0;
1467
c62d2810 1468 #ifdef FRAMESKIP
1469 if(FSkip)
1470 {
1471 FCEU_PutImageDummy();
1472 FSkip--;
5232c20c 1473 FCEUD_Update(0,WaveFinalMono,ssize);
c62d2810 1474 }
1475 else
1476 #endif
1477 {
1478 FCEU_PutImage();
5232c20c 1479 FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
c62d2810 1480 }
c62d2810 1481 }
1482
4fdfab07 1483 } // for
c62d2810 1484}
1485
c62d2810 1486void FCEUI_CloseGame(void)
1487{
1488 Exit=1;
1489}
1490
1491static void ResetPPU(void)
1492{
1493 VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0;
1494 PPUSPL=0;
1495 PPUGenLatch=0;
1496 RefreshAddr=TempAddr=0;
1497 vtoggle = 0;
4fdfab07 1498 ppudead = 2;
1499 kook = 0;
c62d2810 1500}
1501
1502static void PowerPPU(void)
1503{
1504 memset(NTARAM,0x00,0x800);
1505 memset(PALRAM,0x00,0x20);
1506 memset(SPRAM,0x00,0x100);
1507 ResetPPU();
1508}
1509
6244011f 1510void ResetNES081(void)
c62d2810 1511{
92764e62 1512 if(!GameLoaded) return;
c4980f9e 1513 GameInterface(GI_RESETM2, 0);
c62d2810 1514 ResetSound();
1515 ResetPPU();
1516 X6502_Reset();
1517}
1518
cd9a6b51 1519#ifndef DEBUG_ASM_6502
b8da43fb 1520static void FCEU_MemoryRand(uint8 *ptr, uint32 size)
1521{
1522 int x=0;
1523 while(size)
1524 {
1525 *ptr=(x&4)?0xFF:0x00;
1526 x++;
1527 size--;
1528 ptr++;
1529 }
1530}
cd9a6b51 1531#endif
b8da43fb 1532
6244011f 1533void PowerNES081(void)
c62d2810 1534{
1535 if(!GameLoaded) return;
1536
1537 FCEU_CheatResetRAM();
1538 FCEU_CheatAddRAM(2,0,RAM);
1539
1540 GeniePower();
1541
b8da43fb 1542#ifndef DEBUG_ASM_6502
1543 FCEU_MemoryRand(RAM,0x800);
1544#else
c62d2810 1545 memset(RAM,0x00,0x800);
b8da43fb 1546#endif
c62d2810 1547 ResetMapping();
c62d2810 1548 PowerSound();
1549 PowerPPU();
0bb3fe12 1550 GameInterface(GI_POWER, 0);
15d2d258 1551 if(FCEUGameInfo.type==GIT_VSUNI)
1552 FCEU_VSUniPower();
b8da43fb 1553#ifdef ASM_6502
1554 if (geniestage)
1555 GenieSetPages(0);
1556#endif
15d2d258 1557 timestampbase=0;
c62d2810 1558 X6502_Power();
15d2d258 1559 FCEU_PowerCheats();
c62d2810 1560}
1561
890e37ba 1562
1563/* savestate stuff */
1564uint16 TempAddrT,RefreshAddrT;
1565
1566SFORMAT FCEUPPU_STATEINFO[]={
1567 { NTARAM, 0x800, "NTAR"},
1568 { PALRAM, 0x20, "PRAM"},
1569 { SPRAM, 0x100, "SPRA"},
1570 { PPU, 0x4, "PPUR"},
1571 { &XOffset, 1, "XOFF"},
1572 { &vtoggle, 1, "VTOG"},
1573 { &RefreshAddrT, 2|RLSB, "RADD"},
1574 { &TempAddrT, 2|RLSB, "TADD"},
1575 { &VRAMBuffer, 1, "VBUF"},
1576 { &PPUGenLatch, 1, "PGEN"},
1577 // from 0.98.15
1578 { &kook, 1, "KOOK"},
1579 { &ppudead, 1, "DEAD"},
1580 { &PPUSPL, 1, "PSPL"},
1581 { 0 }
1582 };
1583
1584
ARM optimized FCE Ultra port