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098 video fix, 098 sound integrated
[fceu.git] / fce.c
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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"
a384bf44 31#include "sound098.h"
c62d2810 32#include "svga.h"
33#include "netplay.h"
34#include "general.h"
35#include "endian.h"
36#include "version.h"
37#include "memory.h"
38
39#include "cart.h"
40#include "nsf.h"
41#include "fds.h"
42#include "ines.h"
43#include "unif.h"
15d2d258 44#include "vsuni.h"
c62d2810 45#include "cheat.h"
46
47#include "state.h"
48#include "video.h"
49#include "input.h"
50#include "file.h"
51#include "crc32.h"
5232c20c 52#include "ppu.h"
c62d2810 53
92764e62 54#include "palette.h"
5a2aa426 55#include "movie.h"
56
4fdfab07 57#include "dprintf.h"
58
6587f346 59#ifdef GP2X
60#include "drivers/gp2x/asmutils.h"
61#endif
62
c62d2810 63#define Pal (PALRAM)
64
5232c20c 65
4a1bf31b 66static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL;
c62d2810 67static void PRefreshLine(void);
5232c20c 68
c62d2810 69static void ResetPPU(void);
70static void PowerPPU(void);
71
72uint64 timestampbase=0;
73
6244011f 74int ppudead=1;
75int kook=0;
4fdfab07 76
c62d2810 77int MMC5Hack;
78uint32 MMC5HackVROMMask;
79uint8 *MMC5HackExNTARAMPtr;
80uint8 *MMC5HackVROMPTR;
15300263 81uint8 MMC5HackCHRMode=0;
c62d2810 82uint8 MMC5HackSPMode;
83uint8 MMC5HackSPScroll;
84uint8 MMC5HackSPPage;
85
86uint8 *MMC5SPRVPage[8];
87uint8 *MMC5BGVPage[8];
88
89
90uint8 VRAMBuffer,PPUGenLatch;
91
92uint8 *vnapage[4];
93uint8 PPUNTARAM;
94uint8 PPUCHRRAM;
95
96/* Color deemphasis emulation. Joy... */
97static uint8 deemp=0;
98static int deempcnt[8];
99
c62d2810 100FCEUGI FCEUGameInfo;
c4980f9e 101void (*GameInterface)(int h, void *param);
c62d2810 102
103void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
104
105void (*GameStateRestore)(int version);
d97315ac 106void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void);
c62d2810 107
108readfunc ARead[0x10000];
109writefunc BWrite[0x10000];
110static readfunc *AReadG;
111static writefunc *BWriteG;
112static int RWWrap=0;
113
92e249b1 114#ifdef ASM_6502
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}
140
141void asmcpu_unpack(void)
142{
143 nes_registers[0] = X.A << 24;
144 nes_registers[1] = X.X;
145 nes_registers[2] = X.Y;
146 pc_base = 0;
147 nes_registers[3] = X.PC;
c0bf6f9f 148 X6502_Rebase_a();
92e249b1 149 nes_registers[4] = X.S << 24;
150 nes_registers[4]|= X.IRQlow << 8;
0bb3fe12 151 if (MapIRQHook)
152 nes_registers[4] |= 1<<16; // MapIRQHook set bit
8fa5eb33 153 nes_registers[7] = (uint32)X.count << 16;
92e249b1 154
155 // NVUB DIZC
156 nes_registers[4]|= X.P & 0x5d;
157 nes_registers[5] = X.P << 24; // N
158 if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
159}
160
161void asmcpu_pack(void)
162{
163 X.A = nes_registers[0] >> 24;
164 X.X = nes_registers[1];
165 X.Y = nes_registers[2];
166 X.PC= nes_registers[3] - pc_base;
167 X.S = nes_registers[4] >> 24;
168 X.IRQlow = nes_registers[4] >> 8;
8fa5eb33 169 X.count = (int32) nes_registers[7] >> 16;
92e249b1 170
171 // NVUB DIZC
172 X.P = nes_registers[4] & 0x5d;
173 if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N
174 if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z
175}
176#endif
177
c62d2810 178DECLFW(BNull)
179{
180
181}
182
183DECLFR(ANull)
184{
185 return(X.DB);
186}
187
188int AllocGenieRW(void)
189{
190 if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc))))
191 return 0;
192 if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc))))
193 return 0;
194 RWWrap=1;
195 return 1;
196}
197
198void FlushGenieRW(void)
199{
200 int32 x;
201
202 if(RWWrap)
203 {
204 for(x=0;x<0x8000;x++)
205 {
206 ARead[x+0x8000]=AReadG[x];
207 BWrite[x+0x8000]=BWriteG[x];
208 }
b8da43fb 209#ifdef ASM_6502
210 GenieSetPages(1);
211#endif
c62d2810 212 free(AReadG);
213 free(BWriteG);
214 AReadG=0;
215 BWriteG=0;
216 RWWrap=0;
217 }
218}
219
220readfunc FASTAPASS(1) GetReadHandler(int32 a)
221{
222 if(a>=0x8000 && RWWrap)
223 return AReadG[a-0x8000];
224 else
225 return ARead[a];
226}
227
228void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func)
229{
230 int32 x;
231
232 if(!func)
233 func=ANull;
234
235 if(RWWrap)
236 for(x=end;x>=start;x--)
237 {
238 if(x>=0x8000)
239 AReadG[x-0x8000]=func;
240 else
241 ARead[x]=func;
242 }
243 else
244
245 for(x=end;x>=start;x--)
246 ARead[x]=func;
247}
248
249writefunc FASTAPASS(1) GetWriteHandler(int32 a)
250{
251 if(RWWrap && a>=0x8000)
252 return BWriteG[a-0x8000];
253 else
254 return BWrite[a];
255}
256
257void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func)
258{
259 int32 x;
260
261 if(!func)
262 func=BNull;
263
264 if(RWWrap)
265 for(x=end;x>=start;x--)
266 {
267 if(x>=0x8000)
268 BWriteG[x-0x8000]=func;
269 else
270 BWrite[x]=func;
271 }
272 else
273 for(x=end;x>=start;x--)
274 BWrite[x]=func;
275}
276
277uint8 vtoggle=0;
278uint8 XOffset=0;
279
280uint32 TempAddr,RefreshAddr;
281
c62d2810 282
283/* scanline is equal to the current visible scanline we're on. */
284
285int scanline;
c62d2810 286
9115e7d2 287uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
288uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
289uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
92e249b1 290#if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
9115e7d2 291uint8 RAM[0x800] __attribute__ ((aligned (4)));
af32b6c2 292#endif
9115e7d2 293
c62d2810 294uint8 PPU[4];
295uint8 PPUSPL;
296
c62d2810 297uint8 PAL=0;
298
5232c20c 299
c62d2810 300#define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)]
301#define VRAMADR(V) &VPage[(V)>>10][(V)]
15300263 302
4fdfab07 303static int linestartts;
304static int tofix=0;
305
e328100e 306static uint8 *Plinef;
307
308extern uint8 sprlinebuf[256+8];
309extern int32 sphitx;
310extern uint8 sphitdata;
311
312extern int spork; /* spork the world. Any sprites on this line?
313 Then this will be set to 1. Needed for zapper
314 emulation and *gasp* sprite emulation.
315 */
316
317static void ResetRL(uint8 *target)
4fdfab07 318{
e328100e 319 if(InputScanlineHook)
320 InputScanlineHook(0,0,0,0);
321 Plinef=target;
4fdfab07 322 linestartts=timestamp*48+X6502_GetCycleCount();
323 tofix=1;
324}
325
326static INLINE void Fixit1(void);
327
e328100e 328/* faking FCEUPPU_LineUpdate() from later versions of the emu */
329static void FakedLineUpdate(void)
4fdfab07 330{
331 #define TOFIXNUM (272-0x4)
332 int lastpixel;
333
e328100e 334 if (scanline >= 240) return;
335
336 if (tofix || sphitx != 0x100)
4fdfab07 337 {
338 lastpixel = (timestamp*48-linestartts)>>4;
339 if (PAL) lastpixel += lastpixel>>4;
4fdfab07 340 //printf("lastpixel: %i\n", lastpixel);
e328100e 341 }
342
343 if (tofix && lastpixel>=TOFIXNUM)
344 {
345 Fixit1();
346 tofix=0;
347 }
4fdfab07 348
e328100e 349 // CheckSpriteHit()
350 if(sphitx!=0x100)
351 {
352 int l=lastpixel-16;
353 int x;
354
355 for(x=sphitx;x<(sphitx+8) && x<l;x++)
4fdfab07 356 {
e328100e 357 if((sphitdata&(0x80>>(x-sphitx))) && !(Plinef[x]&64))
358 {
359 PPU_status|=0x40;
360 sphitx=0x100;
361 break;
362 }
4fdfab07 363 }
364 }
365}
366
367
c62d2810 368static DECLFW(BRAML)
15300263 369{
c62d2810 370 RAM[A]=V;
371}
372
373static DECLFW(BRAMH)
374{
375 RAM[A&0x7FF]=V;
376}
377
378static DECLFR(ARAML)
379{
380 return RAM[A];
381}
382
383static DECLFR(ARAMH)
384{
385 return RAM[A&0x7FF];
386}
387
15300263 388
c62d2810 389static DECLFR(A2002)
390{
4fdfab07 391 /* merged */
c62d2810 392 uint8 ret;
4fdfab07 393
e328100e 394 FakedLineUpdate();
c62d2810 395 ret = PPU_status;
4fdfab07 396 ret|=PPUGenLatch&0x1F;
c62d2810 397 vtoggle=0;
398 PPU_status&=0x7F;
4fdfab07 399 PPUGenLatch=ret;
ea80a45b 400 //dprintf("r [2002] %02x",ret);
4fdfab07 401 return ret;
c62d2810 402}
403
404static DECLFR(A200x)
405{
4fdfab07 406 /* merged */
e328100e 407 FakedLineUpdate();
c62d2810 408 return PPUGenLatch;
409}
410
411static DECLFR(A2007)
412{
4fdfab07 413 /* merged */
c62d2810 414 uint8 ret;
415 uint32 tmp=RefreshAddr&0x3FFF;
416
e328100e 417 FakedLineUpdate();
4fdfab07 418
419 ret=VRAMBuffer;
420
c62d2810 421 if(PPU_hook) PPU_hook(tmp);
4fdfab07 422 PPUGenLatch=VRAMBuffer;
15300263 423 if(tmp<0x2000)
c62d2810 424 {
425 VRAMBuffer=VPage[tmp>>10][tmp];
426 }
15300263 427 else
c62d2810 428 {
429 VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF];
430 }
431
432 if (INC32) RefreshAddr+=32;
433 else RefreshAddr++;
434 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
4fdfab07 435 dprintf("r [2007] %02x",ret);
c62d2810 436 return ret;
437}
438
439static DECLFW(B2000)
440{
4fdfab07 441 /* NMI2? */
e328100e 442 FakedLineUpdate();
c62d2810 443 PPUGenLatch=V;
444 PPU[0]=V;
445 TempAddr&=0xF3FF;
446 TempAddr|=(V&3)<<10;
447}
448
449static DECLFW(B2001)
450{
4fdfab07 451 /* merged */
e328100e 452 FakedLineUpdate();
c62d2810 453 PPUGenLatch=V;
454 PPU[1]=V;
455 if(V&0xE0)
456 deemp=V>>5;
457 //printf("$%04x:$%02x, %d\n",X.PC,V,scanline);
458}
459
460static DECLFW(B2002)
461{
4fdfab07 462 /* merged */
c62d2810 463 PPUGenLatch=V;
464}
465
466static DECLFW(B2003)
467{
4fdfab07 468 /* merged */
c62d2810 469 PPUGenLatch=V;
470 PPU[3]=V;
471 PPUSPL=V&0x7;
472}
473
474static DECLFW(B2004)
475{
4fdfab07 476 /* merged */
c62d2810 477 PPUGenLatch=V;
4fdfab07 478 if(PPUSPL>=8)
c62d2810 479 {
480 if(PPU[3]>=8)
481 SPRAM[PPU[3]]=V;
482 }
483 else
484 {
485 //printf("$%02x:$%02x\n",PPUSPL,V);
486 SPRAM[PPUSPL]=V;
c62d2810 487 }
488 PPU[3]++;
4fdfab07 489 PPUSPL++;
5232c20c 490
c62d2810 491}
492
493static DECLFW(B2005)
494{
4fdfab07 495 /* merged */
c62d2810 496 uint32 tmp=TempAddr;
e328100e 497 FakedLineUpdate();
c62d2810 498 PPUGenLatch=V;
499 if (!vtoggle)
500 {
501 tmp&=0xFFE0;
502 tmp|=V>>3;
503 XOffset=V&7;
504 }
505 else
506 {
507 tmp&=0x8C1F;
508 tmp|=((V&~0x7)<<2);
509 tmp|=(V&7)<<12;
510 }
511
512 TempAddr=tmp;
513 vtoggle^=1;
514}
515
516static DECLFW(B2006)
517{
4fdfab07 518 /* merged */
e328100e 519 FakedLineUpdate();
4fdfab07 520
c62d2810 521 PPUGenLatch=V;
522 if(!vtoggle)
523 {
524 TempAddr&=0x00FF;
525 TempAddr|=(V&0x3f)<<8;
526 }
527 else
528 {
529 TempAddr&=0xFF00;
530 TempAddr|=V;
c62d2810 531
4fdfab07 532 RefreshAddr=TempAddr;
c62d2810 533 if(PPU_hook)
534 PPU_hook(RefreshAddr);
535 }
536 vtoggle^=1;
537}
538
539static DECLFW(B2007)
15300263 540{
4fdfab07 541 /* merged */
c62d2810 542 uint32 tmp=RefreshAddr&0x3FFF;
c62d2810 543 PPUGenLatch=V;
544 if(tmp>=0x3F00)
545 {
4fdfab07 546 // hmmm....
547 if(!(tmp&0xf))
548 PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f;
549 else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
c62d2810 550 }
551 else if(tmp<0x2000)
552 {
553 if(PPUCHRRAM&(1<<(tmp>>10)))
554 VPage[tmp>>10][tmp]=V;
555 }
556 else
15300263 557 {
c62d2810 558 if(PPUNTARAM&(1<<((tmp&0xF00)>>10)))
559 vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V;
560 }
561 if (INC32) RefreshAddr+=32;
562 else RefreshAddr++;
563 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
564}
565
566static DECLFW(B4014)
15300263 567{
c62d2810 568 uint32 t=V<<8;
569 int x;
4fdfab07 570
c62d2810 571 for(x=0;x<256;x++)
572 B2004(0x2004,X.DB=ARead[t+x](t+x));
573 X6502_AddCycles(512);
574}
575
5232c20c 576void BGRender(uint8 *target)
c62d2810 577{
4a1bf31b 578 uint32 tem, vofs;
579 vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
580
581 Pal[0]|=64;
582 Pal[4]|=64;
583 Pal[8]|=64;
584 Pal[0xC]|=64;
585 RefreshLine(target-XOffset, vofs);
586 Pal[0]&=63;
587 Pal[4]&=63;
588 Pal[8]&=63;
589 Pal[0xC]&=63;
590
c62d2810 591 if(!(PPU[1]&2))
592 {
9115e7d2 593 tem=Pal[0]|0x40;
594 tem|=tem<<8;
595 tem|=tem<<16;
c62d2810 596 *(uint32 *)target=*(uint32 *)(target+4)=tem;
597 }
598}
599
600#ifdef FRAMESKIP
5232c20c 601int FSkip=0;
c62d2810 602void FCEUI_FrameSkip(int x)
603{
604 FSkip=x;
605}
606#endif
607
608/* This is called at the beginning of each visible scanline */
e328100e 609static void LineUpdate(uint8 *target)
c62d2810 610{
611 uint32 tem;
c0623dcf 612 int y;
c62d2810 613
078eb4c0 614 /* PRefreshLine() will not get called on skipped frames. This
615 * could cause a problem, but the solution would be rather complex,
616 * due to the current sprite 0 hit code.
617 */
c0623dcf 618 if(FSkip)
619 {
620 y=(int)SPRAM[0] + 1;
621 if(scanline==y && SpriteON) PPU_status|=0x40; // hack
622 return;
623 }
078eb4c0 624
625 if(scanline < FSettings.FirstSLine || scanline > FSettings.LastSLine)
e328100e 626 {
627 if(PPU_hook)
628 PRefreshLine();
c0623dcf 629 y=(int)SPRAM[0] + 1;
630 if(scanline==y && SpriteON) PPU_status|=0x40;
e328100e 631 }
632 else
633 {
634 if(ScreenON)
c62d2810 635 {
21afaa36 636 BGRender(target);
c62d2810 637 }
e328100e 638 else
c62d2810 639 {
e328100e 640 tem=Pal[0]|0x40;
641 tem|=tem << 8;
642 tem|=tem << 16;
643 FCEU_dwmemset(target,tem,256);
c62d2810 644 }
15300263 645 }
e328100e 646
c62d2810 647 if(InputScanlineHook)
e328100e 648 InputScanlineHook(target,spork?sprlinebuf:0,linestartts,256);
649}
650
651
652static void LineUpdateEnd(uint8 *target)
653{
654#ifdef GP2X
655 if(ScreenON || SpriteON) // Yes, very el-cheapo.
656 {
657 if(PPU[1]&0x01)
658 block_and(target, 256, 0x30);
659 }
660 if((PPU[1]>>5)==0x7)
661 block_or(target, 256, 0xc0);
662 else if(PPU[1]&0xE0)
663 block_or(target, 256, 0x40);
664 else
665 block_andor(target, 256, 0x3f, 0x80);
666#else
667 int x;
668
669 if(ScreenON || SpriteON) // Yes, very el-cheapo.
670 {
671 if(PPU[1]&0x01)
672 {
673 for(x=63;x>=0;x--)
674 *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0x30303030;
675 }
676 }
677 if((PPU[1]>>5)==0x7)
678 {
679 for(x=63;x>=0;x--)
680 *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0xc0c0c0c0;
681 }
682 else if(PPU[1]&0xE0)
683 for(x=63;x>=0;x--)
684 *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])|0x40404040;
685 else
686 for(x=63;x>=0;x--)
687 *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0x80808080;
688#endif
689
690 // black borders
691 ((uint32 *)target)[-2]=((uint32 *)target)[-1]=0;
692 ((uint32 *)target)[64]=((uint32 *)target)[65]=0;
c62d2810 693}
694
695#define PAL(c) ((c)+cc)
696
697
698static void PRefreshLine(void)
699{
078eb4c0 700 uint32 vofs;
701 int X1;
702 vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
703 void (*PPU_hook_)(uint32 A) = PPU_hook;
c62d2810 704
c62d2810 705
078eb4c0 706 for(X1=33;X1;X1--)
707 {
708 uint32 zz2;
709 uint32 vadr;
710
711 zz2=(RefreshAddr>>10)&3;
712 PPU_hook_(0x2000|(RefreshAddr&0xFFF));
713
714 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
715
716 PPU_hook_(vadr);
c62d2810 717
c62d2810 718 if((RefreshAddr&0x1f)==0x1f)
719 RefreshAddr^=0x41F;
720 else
721 RefreshAddr++;
078eb4c0 722 }
c62d2810 723}
724
4a1bf31b 725/* This high-level graphics MMC5 emulation code was written
726 for MMC5 carts in "CL" mode. It's probably not totally
727 correct for carts in "SL" mode.
728 */
729static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs)
c62d2810 730{
4a1bf31b 731 int8 tochange, X1;
c62d2810 732
733 tochange=MMC5HackSPMode&0x1F;
734
735 for(X1=33;X1;X1--,P+=8)
736 {
737 uint8 *C;
5232c20c 738 uint8 cc,zz,zz2;
c62d2810 739 uint32 vadr;
740
15300263 741 if((tochange<=0 && MMC5HackSPMode&0x40) ||
c62d2810 742 (tochange>0 && !(MMC5HackSPMode&0x40)))
743 {
744 uint8 xs,ys;
745
15300263 746 xs=33-X1;
c62d2810 747 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
748 if(ys>=0x1E) ys-=0x1E;
749 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
750
751 C = MMC5HackVROMPTR+vadr;
752 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
753
754 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
755 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
756 }
757 else
758 {
759 zz=RefreshAddr&0x1F;
760 zz2=(RefreshAddr>>10)&3;
761 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
762 C = MMC5BGVRAMADR(vadr);
763 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
764 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
765 }
766 #include "fceline.h"
767
768 if((RefreshAddr&0x1f)==0x1f)
769 RefreshAddr^=0x41F;
770 else
771 RefreshAddr++;
772 tochange--;
773 }
4a1bf31b 774}
775
776static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs)
777{
778 int8 tochange, X1;
c62d2810 779
780 tochange=MMC5HackSPMode&0x1F;
781
782 for(X1=33;X1;X1--,P+=8)
783 {
784 uint8 *C;
5232c20c 785 uint8 cc;
786 uint8 zz2;
c62d2810 787 uint32 vadr;
788
789 if((tochange<=0 && MMC5HackSPMode&0x40) ||
790 (tochange>0 && !(MMC5HackSPMode&0x40)))
791 {
792 uint8 xs,ys;
793
15300263 794 xs=33-X1;
c62d2810 795 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
796 if(ys>=0x1E) ys-=0x1E;
797 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
798
799 C = MMC5HackVROMPTR+vadr;
800 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
801
802 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
803 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
804 }
805 else
806 {
807 C=MMC5HackVROMPTR;
808 zz2=(RefreshAddr>>10)&3;
809 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
810 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
811 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
812 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
813 cc = vadr;
814 }
815 #include "fceline.h"
816 if((RefreshAddr&0x1f)==0x1f)
817 RefreshAddr^=0x41F;
818 else
819 RefreshAddr++;
820 tochange--;
821 }
4a1bf31b 822}
823
824static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs)
825{
826 int8 X1;
c62d2810 827
c62d2810 828 for(X1=33;X1;X1--,P+=8)
829 {
15300263 830 uint8 *C;
5232c20c 831 uint8 cc;
832 uint8 zz2;
15300263 833 uint32 vadr;
c62d2810 834
835 C=MMC5HackVROMPTR;
836 zz2=(RefreshAddr>>10)&3;
837 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
15300263 838 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
c62d2810 839 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
840 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
841 cc = vadr;
842
843 #include "fceline.h"
844 if((RefreshAddr&0x1f)==0x1f)
845 RefreshAddr^=0x41F;
846 else
847 RefreshAddr++;
848 }
4a1bf31b 849}
850
851static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs)
852{
853 int8 X1;
854
c62d2810 855 for(X1=33;X1;X1--,P+=8)
856 {
857 uint8 *C;
5232c20c 858 uint8 cc,zz,zz2;
c62d2810 859 uint32 vadr;
860
861 zz=RefreshAddr&0x1F;
862 zz2=(RefreshAddr>>10)&3;
863 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
864 C = MMC5BGVRAMADR(vadr);
865 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
866 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
867
868 #include "fceline.h"
15300263 869
c62d2810 870 if((RefreshAddr&0x1f)==0x1f)
871 RefreshAddr^=0x41F;
872 else
873 RefreshAddr++;
15300263 874 }
4a1bf31b 875}
876
877static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs)
878{
879 int8 X1;
078eb4c0 880 void (*PPU_hook_)(uint32 A) = PPU_hook;
881 uint32 rfraddr = RefreshAddr;
882 uint8 *page = vnapage[(rfraddr>>10)&3];
c62d2810 883
c62d2810 884 for(X1=33;X1;X1--,P+=8)
885 {
15300263 886 uint8 *C;
078eb4c0 887 uint8 cc,zz;
15300263 888 uint32 vadr;
c62d2810 889
078eb4c0 890 zz=rfraddr&0x1F;
891 PPU_hook_(0x2000|(rfraddr&0xFFF));
892 cc=page[0x3c0+(zz>>2)+((rfraddr&0x380)>>4)];
893 cc=((cc >> ((zz&2) + ((rfraddr&0x40)>>4))) &3) <<2;
894 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
c62d2810 895 C = VRAMADR(vadr);
896
897 #include "fceline.h"
898
078eb4c0 899 PPU_hook_(vadr);
c62d2810 900
078eb4c0 901 if((rfraddr&0x1f)==0x1f) {
902 rfraddr^=0x41F;
903 page = vnapage[(rfraddr>>10)&3];
904 } else
905 rfraddr++;
c62d2810 906 }
078eb4c0 907 RefreshAddr = rfraddr;
4a1bf31b 908}
909
9115e7d2 910static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
4a1bf31b 911{
912 int8 X1;
9115e7d2 913 uint32 rfraddr = RefreshAddr;
914 uint8 *page = vnapage[(rfraddr>>10)&3];
915 uint32 cc2=0;
4a1bf31b 916
9115e7d2 917 if ((rfraddr&0xc)!=0)
918 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
919
920 for (X1=33;X1;X1--,P+=8)
c62d2810 921 {
9115e7d2 922 uint8 cc,*C;
c62d2810 923 uint32 vadr;
924
9115e7d2 925 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
c62d2810 926 C = VRAMADR(vadr);
9115e7d2 927 if ((rfraddr&0xc)==0)
928 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
929 cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2;
4a1bf31b 930
9115e7d2 931 #include "fceline.h"
15300263 932
9115e7d2 933 if((rfraddr&0x1f)==0x1f) {
934 rfraddr^=0x41F;
935 page = vnapage[(rfraddr>>10)&3];
936 } else
937 rfraddr++;
c62d2810 938 }
9115e7d2 939 RefreshAddr = rfraddr;
4a1bf31b 940}
c62d2810 941
4a1bf31b 942static void SetRefreshLine(void)
943{
944 if(MMC5Hack && geniestage!=1)
945 {
946 if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80))
947 {
948 if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n");
949 RefreshLine = RefreshLine_MMC5Hack1;
950 }
951 else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80))
952 {
953 if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n");
954 RefreshLine = RefreshLine_MMC5Hack2;
955 }
956 else if(MMC5HackCHRMode==1)
957 {
958 if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n");
959 RefreshLine = RefreshLine_MMC5Hack3;
960 }
961 else
962 {
963 if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n");
964 RefreshLine = RefreshLine_MMC5Hack4;
965 }
966 } // End if(MMC5Hack)
967 else if(PPU_hook)
968 {
969 if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n");
970 RefreshLine = RefreshLine_PPU_hook;
971 }
972 else
973 {
974 if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n");
975 RefreshLine = RefreshLine_normal;
976 }
c62d2810 977}
978
4fdfab07 979static INLINE
937bf65b 980void Fixit2(void)
c62d2810 981{
982 if(ScreenON || SpriteON)
983 {
984 uint32 rad=RefreshAddr;
985 rad&=0xFBE0;
986 rad|=TempAddr&0x041f;
987 RefreshAddr=rad;
988 //PPU_hook(RefreshAddr,-1);
989 }
990}
991
4fdfab07 992static INLINE
937bf65b 993void Fixit1(void)
c62d2810 994{
995 if(ScreenON || SpriteON)
996 {
997 uint32 rad=RefreshAddr;
998
999 if((rad&0x7000)==0x7000)
1000 {
1001 rad^=0x7000;
1002 if((rad&0x3E0)==0x3A0)
1003 {
1004 rad^=0x3A0;
1005 rad^=0x800;
1006 }
1007 else
1008 {
1009 if((rad&0x3E0)==0x3e0)
1010 rad^=0x3e0;
1011 else rad+=0x20;
1012 }
1013 }
1014 else
1015 rad+=0x1000;
1016 RefreshAddr=rad;
1017 //PPU_hook(RefreshAddr,-1);
1018 }
1019}
1020
937bf65b 1021
5232c20c 1022// ============================//
1023// end of new code
1024// ===========================//
c62d2810 1025
1026void ResetMapping(void)
1027{
1028 int x;
1029
1030 SetReadHandler(0x0000,0xFFFF,ANull);
1031 SetWriteHandler(0x0000,0xFFFF,BNull);
1032
1033 SetReadHandler(0,0x7FF,ARAML);
1034 SetWriteHandler(0,0x7FF,BRAML);
1035
1036 SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */
1037 SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
1038
1039 for(x=0x2000;x<0x4000;x+=8)
1040 {
1041 ARead[x]=A200x;
1042 BWrite[x]=B2000;
1043 ARead[x+1]=A200x;
1044 BWrite[x+1]=B2001;
1045 ARead[x+2]=A2002;
1046 BWrite[x+2]=B2002;
1047 ARead[x+3]=A200x;
1048 BWrite[x+3]=B2003;
1049 ARead[x+4]=A200x;
1050 BWrite[x+4]=B2004;
1051 ARead[x+5]=A200x;
1052 BWrite[x+5]=B2005;
1053 ARead[x+6]=A200x;
1054 BWrite[x+6]=B2006;
1055 ARead[x+7]=A2007;
1056 BWrite[x+7]=B2007;
1057 }
1058
1059 BWrite[0x4014]=B4014;
1060 SetNESSoundMap();
1061 InitializeInput();
1062}
1063
1064int GameLoaded=0;
1065void CloseGame(void)
1066{
c4980f9e 1067 FCEUI_StopMovie();
c62d2810 1068 if(GameLoaded)
1069 {
1070 if(FCEUGameInfo.type!=GIT_NSF)
92764e62 1071 FCEU_FlushGameCheats(0,0);
c62d2810 1072 #ifdef NETWORK
1073 if(FSettings.NetworkPlay) KillNetplay();
15300263 1074 #endif
c4980f9e 1075 GameInterface(GI_CLOSE, 0);
c62d2810 1076 CloseGenie();
1077 GameLoaded=0;
1078 }
1079}
1080
1081void ResetGameLoaded(void)
1082{
1083 if(GameLoaded) CloseGame();
1084 GameStateRestore=0;
1085 PPU_hook=0;
d97315ac 1086 GameHBIRQHook=GameHBIRQHook2=0;
c62d2810 1087 GameExpSound.Fill=0;
1088 GameExpSound.RChange=0;
1089 if(GameExpSound.Kill)
1090 GameExpSound.Kill();
1091 GameExpSound.Kill=0;
1092 MapIRQHook=0;
1093 MMC5Hack=0;
1094 PAL&=1;
1095 pale=0;
1096
1097 FCEUGameInfo.name=0;
1098 FCEUGameInfo.type=GIT_CART;
1099 FCEUGameInfo.vidsys=GIV_USER;
1100 FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1;
1101 FCEUGameInfo.inputfc=-1;
6244011f 1102
1103 FCEUGameInfo.soundchan=0;
1104 FCEUGameInfo.soundrate=0;
1105 FCEUGameInfo.cspecial=0;
c62d2810 1106}
1107
5a2aa426 1108char lastLoadedGameName [2048];
989672f4 1109int LoadGameLastError = 0;
d97315ac 1110int UNIFLoad(const char *name, int fp);
1111int iNESLoad(const char *name, int fp);
1112int FDSLoad(const char *name, int fp);
1113int NSFLoad(int fp);
5a2aa426 1114
c62d2810 1115FCEUGI *FCEUI_LoadGame(char *name)
1116{
5a2aa426 1117 char name2[512];
892b1f6c 1118 int have_movie = 0, have_ips = 0;
c62d2810 1119 int fp;
1120
b2b95d2e 1121 //Exit=1;
989672f4 1122 LoadGameLastError = 0;
c62d2810 1123 ResetGameLoaded();
1124
5a2aa426 1125 strncpy(name2, name, sizeof(name2));
1126 name2[sizeof(name2)-1] = 0;
1127
1128 fp=FCEU_fopen(name2,"rb");
c62d2810 1129 if(!fp)
1130 {
1131 FCEU_PrintError("Error opening \"%s\"!",name);
989672f4 1132 LoadGameLastError = 1;
c62d2810 1133 return 0;
1134 }
1135
5a2aa426 1136 {
1137 char *p = name2 + strlen(name2) - 4;
892b1f6c 1138 if (strcasecmp(p, ".fcm") == 0) printf("movie detected\n"), have_movie = 1;
1139 if (strcasecmp(p, ".ips") == 0) printf("ips detected\n"), have_ips = 1;
1140 if (have_movie || have_ips)
5a2aa426 1141 {
1142 // movie detected
5a2aa426 1143 FCEU_fclose(fp);
1144 *p = 0;
1145 fp=FCEU_fopen(name2,"rb");
892b1f6c 1146 if (!fp && p - name2 > 2)
1147 {
1148 for (p--; p > name2 && *p != '.'; p--);
1149 *p = 0;
1150 fp=FCEU_fopen(name2,"rb");
1151 }
5a2aa426 1152 if (!fp) {
892b1f6c 1153 printf("no ROM for ips/movie\n");
989672f4 1154 LoadGameLastError = 2;
5a2aa426 1155 return 0;
1156 }
5a2aa426 1157 }
1158 }
1159
892b1f6c 1160 // do IPS patch
1161 if (have_ips)
1162 {
1163 FCEU_fclose(fp);
1164 FILE *ips = fopen(name, "rb");
1165 if (!ips) return 0;
1166 fp=FCEU_fopen_forcemem(name2);
1167 if (!fp) { fclose(ips); return 0; }
1168 ApplyIPS(ips, fp); // closes ips
1169 }
1170
5a2aa426 1171 GetFileBase(name2);
1172 if(iNESLoad(name2,fp))
c62d2810 1173 goto endlseq;
1174 if(NSFLoad(fp))
1175 goto endlseq;
5a2aa426 1176 if(FDSLoad(name2,fp))
c62d2810 1177 goto endlseq;
5a2aa426 1178 if(UNIFLoad(name2,fp))
c62d2810 1179 goto endlseq;
1180
1181 FCEU_PrintError("An error occurred while loading the file.");
1182 FCEU_fclose(fp);
989672f4 1183 // format handlers may set LoadGameLastError themselves.
1184 if (LoadGameLastError == 0) LoadGameLastError = 3;
c62d2810 1185 return 0;
1186
1187 endlseq:
1188 FCEU_fclose(fp);
15300263 1189 GameLoaded=1;
c62d2810 1190
1191 FCEU_ResetVidSys();
1192 if(FCEUGameInfo.type!=GIT_NSF)
1193 if(FSettings.GameGenie)
1194 OpenGenie();
1195
1196 PowerNES();
1197 #ifdef NETWORK
1198 if(FSettings.NetworkPlay) InitNetplay();
1199 #endif
1200 SaveStateRefresh();
1201 if(FCEUGameInfo.type!=GIT_NSF)
1202 {
92764e62 1203 FCEU_LoadGamePalette();
1204 FCEU_LoadGameCheats(0);
c62d2810 1205 }
15300263 1206
c62d2810 1207 FCEU_ResetPalette();
1208 Exit=0;
5a2aa426 1209
1210 if (have_movie)
1211 FCEUI_LoadMovie(name, 1);
989672f4 1212
1213 strcpy(lastLoadedGameName, name2);
1214
c62d2810 1215 return(&FCEUGameInfo);
1216}
1217
1218
1219void FCEU_ResetVidSys(void)
1220{
1221 int w;
1222
1223 if(FCEUGameInfo.vidsys==GIV_NTSC)
1224 w=0;
1225 else if(FCEUGameInfo.vidsys==GIV_PAL)
1226 w=1;
1227 else
1228 w=FSettings.PAL;
1229
1230 if(w)
1231 {
1232 PAL=1;
c62d2810 1233 FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
1234 FSettings.LastSLine=FSettings.UsrLastSLine[1];
1235 }
1236 else
1237 {
1238 PAL=0;
c62d2810 1239 FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
1240 FSettings.LastSLine=FSettings.UsrLastSLine[0];
1241 }
0b65fdb3 1242 printf("ResetVidSys: PAL = %i\n", PAL);
c62d2810 1243 SetSoundVariables();
1244}
1245
1246int FCEUI_Initialize(void)
1247{
1248 if(!InitVirtualVideo())
1249 return 0;
1250 memset(&FSettings,0,sizeof(FSettings));
1251 FSettings.UsrFirstSLine[0]=8;
1252 FSettings.UsrFirstSLine[1]=0;
1253 FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239;
92764e62 1254 FSettings.SoundVolume=100;
6244011f 1255
1256 FCEUI_Initialize098();
1257 FCEUI_SetEmuMode(0);
1258
c62d2810 1259 return 1;
1260}
1261
6244011f 1262void FCEUI_Kill(void)
1263{
1264 FCEU_KillGenie();
1265}
1266
1267static void EmLoop(void);
1268
a384bf44 1269int use098code = 0;
6244011f 1270void (*ResetNES)(void) = 0;
1271void (*PowerNES)(void) = 0;
1272void (*FCEUI_Emulate)(void) = 0;
1273
1274void FCEUI_SetEmuMode(int is_new)
1275{
a384bf44 1276 use098code = is_new;
6244011f 1277 if (is_new)
1278 {
1279 ResetNES=ResetNES098;
1280 PowerNES=PowerNES098;
a384bf44 1281 SetSoundVariables=SetSoundVariables098;
6244011f 1282 FCEUI_Emulate=FCEUI_Emulate098;
1283 }
1284 else
1285 {
1286 ResetNES=ResetNES081;
1287 PowerNES=PowerNES081;
a384bf44 1288 SetSoundVariables=SetSoundVariables081;
6244011f 1289 FCEUI_Emulate=EmLoop;
1290 }
1291}
1292
ea80a45b 1293void MMC5_hb(int); /* Ugh ugh ugh. */
e328100e 1294static void DoLine(void)
c62d2810 1295{
e328100e 1296 uint8 *target=XBuf+scanline*320+32;
1297
1298 LineUpdate(target);
c62d2810 1299
ea80a45b 1300 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1301
e328100e 1302 X6502_Run(256);
1303
f12b1f31 1304 // check: Battletoads & Double Dragon, Addams Family
1305 // sky glitches in SMB1 if done wrong
e328100e 1306 FakedLineUpdate();
1307
1308#ifdef FRAMESKIP
1309 if(!FSkip)
1310#endif
21afaa36 1311 if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine)
1312 {
1313 if(SpriteON && spork)
1314 CopySprites(target);
e328100e 1315
21afaa36 1316 LineUpdateEnd(target);
1317 }
e328100e 1318 sphitx=0x100;
1319
1320 if(ScreenON || SpriteON)
1321 FetchSpriteData();
1322
1323 // DoHBlank();
1324 if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
15300263 1325 {
e328100e 1326 X6502_Run(6);
1327 Fixit2();
1328 X6502_Run(4);
1329 GameHBIRQHook();
1330 X6502_Run(85-10-16);
c62d2810 1331 }
1332 else
1333 {
e328100e 1334 X6502_Run(6); // Tried 65, caused problems with Slalom(maybe others)
1335 Fixit2();
1336 X6502_Run(85-6-16);
c62d2810 1337 }
e328100e 1338
1339 if(SpriteON)
1340 RefreshSprites();
1341 if(GameHBIRQHook2 && (ScreenON || SpriteON))
1342 GameHBIRQHook2();
1343 scanline++;
1344 if (scanline<240)
1345 ResetRL(XBuf+scanline*320+32);
1346 X6502_Run(16);
c62d2810 1347}
c62d2810 1348
e328100e 1349
6244011f 1350static void EmLoop(void)
c62d2810 1351{
1352 for(;;)
1353 {
ea80a45b 1354 int x;
92e249b1 1355 uint32 scanlines_per_frame = PAL ? 312 : 262;
4fdfab07 1356 UpdateInput();
92764e62 1357 FCEU_ApplyPeriodicCheats();
4fdfab07 1358
1359 // FCEUPPU_Loop:
1360 if(ppudead) /* Needed for Knight Rider, possibly others. */
1361 {
6587f346 1362 //memset(XBuf, 0, 320*240);
a384bf44 1363 //X6502_Run(scanlines_per_frame*(256+85));
1364 int lines;
1365 for (lines=scanlines_per_frame;lines;lines--)
1366 X6502_Run(256+85);
4fdfab07 1367 ppudead--;
1368 goto update;
1369 }
ea80a45b 1370
c62d2810 1371 X6502_Run(256+85);
1372
1373 PPU[2]|=0x80;
1374 PPU[3]=PPUSPL=0; /* Not sure if this is correct. According
1375 to Matt Conte and my own tests, it is. Timing is probably
1376 off, though. NOTE: Not having this here
1377 breaks a Super Donkey Kong game. */
1378
1379 X6502_Run(12); /* I need to figure out the true nature and length
15300263 1380 of this delay.
c62d2810 1381 */
1382 if(FCEUGameInfo.type==GIT_NSF)
ea80a45b 1383 DoNSFFrame();
c62d2810 1384 else if(VBlankON)
1385 TriggerNMI();
1386
655f8df0 1387 // Note: this is needed for asm core
1388 // Warning: using 'scanline' var here breaks Castlevania III
1389 {
1390 int lines;
1391 X6502_Run(256+85-12);
1392 for (lines=scanlines_per_frame-242-1;lines;lines--)
1393 X6502_Run(256+85);
1394 }
1395 // X6502_Run((scanlines_per_frame-242)*(256+85)-12);
c62d2810 1396 PPU_status&=0x1f;
c62d2810 1397 X6502_Run(256);
ea80a45b 1398
c62d2810 1399 {
c62d2810 1400 if(ScreenON || SpriteON)
d97315ac 1401 {
c62d2810 1402 if(GameHBIRQHook)
1403 GameHBIRQHook();
ea80a45b 1404 if(PPU_hook)
1405 for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
d97315ac 1406 if(GameHBIRQHook2)
1407 GameHBIRQHook2();
1408 }
c62d2810 1409
4fdfab07 1410 X6502_Run(85-16);
c62d2810 1411
4fdfab07 1412 if(ScreenON || SpriteON)
1413 {
1414 RefreshAddr=TempAddr;
1415 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
1416 }
e328100e 1417 spork=0;
1418 ResetRL(XBuf+32);
4fdfab07 1419
1420 X6502_Run(16-kook);
1421 kook ^= 1;
c62d2810 1422 }
4fdfab07 1423
c62d2810 1424 if(FCEUGameInfo.type==GIT_NSF)
937bf65b 1425 {
6587f346 1426 // run scanlines for asm core to fuction
13624c8f 1427 for(scanline=0;scanline<240;scanline++)
1428 X6502_Run(256+85);
937bf65b 1429 }
c62d2810 1430 else
1431 {
1432 int x,max,maxref;
1433
1434 deemp=PPU[1]>>5;
4a1bf31b 1435 SetRefreshLine();
4fdfab07 1436 for(scanline=0;scanline<240;) // scanline is incremented in DoLine. Evil. :/
c62d2810 1437 {
1438 deempcnt[deemp]++;
e328100e 1439 DoLine();
c62d2810 1440 }
ea80a45b 1441 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
c62d2810 1442 for(x=1,max=0,maxref=0;x<7;x++)
1443 {
1444 if(deempcnt[x]>max)
1445 {
1446 max=deempcnt[x];
1447 maxref=x;
1448 }
1449 deempcnt[x]=0;
1450 }
c62d2810 1451 SetNESDeemph(maxref,0);
1452 }
1453
4fdfab07 1454update:
47d0839e 1455 if(Exit)
1456 {
1457 //CloseGame();
1458 break;
1459 }
1460
c62d2810 1461 {
1462 int ssize;
1463
1464 ssize=FlushEmulateSound();
1465
4fdfab07 1466 timestampbase += timestamp;
1467 timestamp = 0;
1468
c62d2810 1469 #ifdef FRAMESKIP
1470 if(FSkip)
1471 {
1472 FCEU_PutImageDummy();
1473 FSkip--;
5232c20c 1474 FCEUD_Update(0,WaveFinalMono,ssize);
c62d2810 1475 }
1476 else
1477 #endif
1478 {
1479 FCEU_PutImage();
5232c20c 1480 FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
c62d2810 1481 }
c62d2810 1482 }
1483
4fdfab07 1484 } // for
c62d2810 1485}
1486
c62d2810 1487void FCEUI_CloseGame(void)
1488{
1489 Exit=1;
1490}
1491
1492static void ResetPPU(void)
1493{
1494 VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0;
1495 PPUSPL=0;
1496 PPUGenLatch=0;
1497 RefreshAddr=TempAddr=0;
1498 vtoggle = 0;
4fdfab07 1499 ppudead = 2;
1500 kook = 0;
c62d2810 1501}
1502
1503static void PowerPPU(void)
1504{
1505 memset(NTARAM,0x00,0x800);
1506 memset(PALRAM,0x00,0x20);
1507 memset(SPRAM,0x00,0x100);
1508 ResetPPU();
1509}
1510
6244011f 1511void ResetNES081(void)
c62d2810 1512{
92764e62 1513 if(!GameLoaded) return;
c4980f9e 1514 GameInterface(GI_RESETM2, 0);
c62d2810 1515 ResetSound();
1516 ResetPPU();
1517 X6502_Reset();
1518}
1519
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}
1531
6244011f 1532void PowerNES081(void)
c62d2810 1533{
1534 if(!GameLoaded) return;
1535
1536 FCEU_CheatResetRAM();
1537 FCEU_CheatAddRAM(2,0,RAM);
1538
1539 GeniePower();
1540
b8da43fb 1541#ifndef DEBUG_ASM_6502
1542 FCEU_MemoryRand(RAM,0x800);
1543#else
c62d2810 1544 memset(RAM,0x00,0x800);
b8da43fb 1545#endif
c62d2810 1546 ResetMapping();
c62d2810 1547 PowerSound();
1548 PowerPPU();
0bb3fe12 1549 GameInterface(GI_POWER, 0);
15d2d258 1550 if(FCEUGameInfo.type==GIT_VSUNI)
1551 FCEU_VSUniPower();
b8da43fb 1552#ifdef ASM_6502
1553 if (geniestage)
1554 GenieSetPages(0);
1555#endif
15d2d258 1556 timestampbase=0;
c62d2810 1557 X6502_Power();
15d2d258 1558 FCEU_PowerCheats();
c62d2810 1559}
1560
890e37ba 1561
1562/* savestate stuff */
1563uint16 TempAddrT,RefreshAddrT;
1564
1565SFORMAT FCEUPPU_STATEINFO[]={
1566 { NTARAM, 0x800, "NTAR"},
1567 { PALRAM, 0x20, "PRAM"},
1568 { SPRAM, 0x100, "SPRA"},
1569 { PPU, 0x4, "PPUR"},
1570 { &XOffset, 1, "XOFF"},
1571 { &vtoggle, 1, "VTOG"},
1572 { &RefreshAddrT, 2|RLSB, "RADD"},
1573 { &TempAddrT, 2|RLSB, "TADD"},
1574 { &VRAMBuffer, 1, "VBUF"},
1575 { &PPUGenLatch, 1, "PGEN"},
1576 // from 0.98.15
1577 { &kook, 1, "KOOK"},
1578 { &ppudead, 1, "DEAD"},
1579 { &PPUSPL, 1, "PSPL"},
1580 { 0 }
1581 };
1582
1583
ARM optimized FCE Ultra port