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removed 098 snd due to problems with it
[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"
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
114static void asmcpu_update(int32 cycles)
115{
92e249b1 116 // some code from x6502.c
117 fhcnt-=cycles;
118 if(fhcnt<=0)
119 {
120 FrameSoundUpdate();
121 fhcnt+=fhinc;
122 }
123
124 if(PCMIRQCount>0)
125 {
126 PCMIRQCount-=cycles;
127 if(PCMIRQCount<=0)
128 {
129 vdis=1;
130 if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40))
131 {
132 extern uint8 SIRQStat;
133 SIRQStat|=0x80;
134 X6502_IRQBegin(FCEU_IQDPCM);
135 }
136 }
137 }
138}
139
140void asmcpu_unpack(void)
141{
142 nes_registers[0] = X.A << 24;
143 nes_registers[1] = X.X;
144 nes_registers[2] = X.Y;
145 pc_base = 0;
146 nes_registers[3] = X.PC;
c0bf6f9f 147 X6502_Rebase_a();
92e249b1 148 nes_registers[4] = X.S << 24;
149 nes_registers[4]|= X.IRQlow << 8;
0bb3fe12 150 if (MapIRQHook)
151 nes_registers[4] |= 1<<16; // MapIRQHook set bit
8fa5eb33 152 nes_registers[7] = (uint32)X.count << 16;
92e249b1 153
154 // NVUB DIZC
155 nes_registers[4]|= X.P & 0x5d;
156 nes_registers[5] = X.P << 24; // N
157 if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
158}
159
160void asmcpu_pack(void)
161{
162 X.A = nes_registers[0] >> 24;
163 X.X = nes_registers[1];
164 X.Y = nes_registers[2];
165 X.PC= nes_registers[3] - pc_base;
166 X.S = nes_registers[4] >> 24;
167 X.IRQlow = nes_registers[4] >> 8;
8fa5eb33 168 X.count = (int32) nes_registers[7] >> 16;
92e249b1 169
170 // NVUB DIZC
171 X.P = nes_registers[4] & 0x5d;
172 if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N
173 if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z
174}
175#endif
176
c62d2810 177DECLFW(BNull)
178{
179
180}
181
182DECLFR(ANull)
183{
184 return(X.DB);
185}
186
187int AllocGenieRW(void)
188{
189 if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc))))
190 return 0;
191 if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc))))
192 return 0;
193 RWWrap=1;
194 return 1;
195}
196
197void FlushGenieRW(void)
198{
199 int32 x;
200
201 if(RWWrap)
202 {
203 for(x=0;x<0x8000;x++)
204 {
205 ARead[x+0x8000]=AReadG[x];
206 BWrite[x+0x8000]=BWriteG[x];
207 }
b8da43fb 208#ifdef ASM_6502
209 GenieSetPages(1);
210#endif
c62d2810 211 free(AReadG);
212 free(BWriteG);
213 AReadG=0;
214 BWriteG=0;
215 RWWrap=0;
216 }
217}
218
219readfunc FASTAPASS(1) GetReadHandler(int32 a)
220{
221 if(a>=0x8000 && RWWrap)
222 return AReadG[a-0x8000];
223 else
224 return ARead[a];
225}
226
227void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func)
228{
229 int32 x;
230
231 if(!func)
232 func=ANull;
233
234 if(RWWrap)
235 for(x=end;x>=start;x--)
236 {
237 if(x>=0x8000)
238 AReadG[x-0x8000]=func;
239 else
240 ARead[x]=func;
241 }
242 else
243
244 for(x=end;x>=start;x--)
245 ARead[x]=func;
246}
247
248writefunc FASTAPASS(1) GetWriteHandler(int32 a)
249{
250 if(RWWrap && a>=0x8000)
251 return BWriteG[a-0x8000];
252 else
253 return BWrite[a];
254}
255
256void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func)
257{
258 int32 x;
259
260 if(!func)
261 func=BNull;
262
263 if(RWWrap)
264 for(x=end;x>=start;x--)
265 {
266 if(x>=0x8000)
267 BWriteG[x-0x8000]=func;
268 else
269 BWrite[x]=func;
270 }
271 else
272 for(x=end;x>=start;x--)
273 BWrite[x]=func;
274}
275
276uint8 vtoggle=0;
277uint8 XOffset=0;
278
279uint32 TempAddr,RefreshAddr;
280
c62d2810 281
282/* scanline is equal to the current visible scanline we're on. */
283
284int scanline;
c62d2810 285
9115e7d2 286uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
287uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
288uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
92e249b1 289#if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
9115e7d2 290uint8 RAM[0x800] __attribute__ ((aligned (4)));
af32b6c2 291#endif
9115e7d2 292
c62d2810 293uint8 PPU[4];
294uint8 PPUSPL;
295
c62d2810 296uint8 PAL=0;
297
5232c20c 298
c62d2810 299#define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)]
300#define VRAMADR(V) &VPage[(V)>>10][(V)]
15300263 301
4fdfab07 302static int linestartts;
303static int tofix=0;
304
e328100e 305static uint8 *Plinef;
306
307extern uint8 sprlinebuf[256+8];
308extern int32 sphitx;
309extern uint8 sphitdata;
310
311extern int spork; /* spork the world. Any sprites on this line?
312 Then this will be set to 1. Needed for zapper
313 emulation and *gasp* sprite emulation.
314 */
315
316static void ResetRL(uint8 *target)
4fdfab07 317{
e328100e 318 if(InputScanlineHook)
319 InputScanlineHook(0,0,0,0);
320 Plinef=target;
4fdfab07 321 linestartts=timestamp*48+X6502_GetCycleCount();
322 tofix=1;
323}
324
325static INLINE void Fixit1(void);
326
e328100e 327/* faking FCEUPPU_LineUpdate() from later versions of the emu */
328static void FakedLineUpdate(void)
4fdfab07 329{
330 #define TOFIXNUM (272-0x4)
331 int lastpixel;
332
e328100e 333 if (scanline >= 240) return;
334
335 if (tofix || sphitx != 0x100)
4fdfab07 336 {
337 lastpixel = (timestamp*48-linestartts)>>4;
338 if (PAL) lastpixel += lastpixel>>4;
4fdfab07 339 //printf("lastpixel: %i\n", lastpixel);
e328100e 340 }
341
342 if (tofix && lastpixel>=TOFIXNUM)
343 {
344 Fixit1();
345 tofix=0;
346 }
4fdfab07 347
e328100e 348 // CheckSpriteHit()
349 if(sphitx!=0x100)
350 {
351 int l=lastpixel-16;
352 int x;
353
354 for(x=sphitx;x<(sphitx+8) && x<l;x++)
4fdfab07 355 {
e328100e 356 if((sphitdata&(0x80>>(x-sphitx))) && !(Plinef[x]&64))
357 {
358 PPU_status|=0x40;
359 sphitx=0x100;
360 break;
361 }
4fdfab07 362 }
363 }
364}
365
366
c62d2810 367static DECLFW(BRAML)
15300263 368{
c62d2810 369 RAM[A]=V;
370}
371
372static DECLFW(BRAMH)
373{
374 RAM[A&0x7FF]=V;
375}
376
377static DECLFR(ARAML)
378{
379 return RAM[A];
380}
381
382static DECLFR(ARAMH)
383{
384 return RAM[A&0x7FF];
385}
386
15300263 387
c62d2810 388static DECLFR(A2002)
389{
4fdfab07 390 /* merged */
c62d2810 391 uint8 ret;
4fdfab07 392
e328100e 393 FakedLineUpdate();
c62d2810 394 ret = PPU_status;
4fdfab07 395 ret|=PPUGenLatch&0x1F;
c62d2810 396 vtoggle=0;
397 PPU_status&=0x7F;
4fdfab07 398 PPUGenLatch=ret;
ea80a45b 399 //dprintf("r [2002] %02x",ret);
4fdfab07 400 return ret;
c62d2810 401}
402
403static DECLFR(A200x)
404{
4fdfab07 405 /* merged */
e328100e 406 FakedLineUpdate();
c62d2810 407 return PPUGenLatch;
408}
409
410static DECLFR(A2007)
411{
4fdfab07 412 /* merged */
c62d2810 413 uint8 ret;
414 uint32 tmp=RefreshAddr&0x3FFF;
415
e328100e 416 FakedLineUpdate();
4fdfab07 417
418 ret=VRAMBuffer;
419
c62d2810 420 if(PPU_hook) PPU_hook(tmp);
4fdfab07 421 PPUGenLatch=VRAMBuffer;
15300263 422 if(tmp<0x2000)
c62d2810 423 {
424 VRAMBuffer=VPage[tmp>>10][tmp];
425 }
15300263 426 else
c62d2810 427 {
428 VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF];
429 }
430
431 if (INC32) RefreshAddr+=32;
432 else RefreshAddr++;
433 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
4fdfab07 434 dprintf("r [2007] %02x",ret);
c62d2810 435 return ret;
436}
437
438static DECLFW(B2000)
439{
4fdfab07 440 /* NMI2? */
e328100e 441 FakedLineUpdate();
c62d2810 442 PPUGenLatch=V;
443 PPU[0]=V;
444 TempAddr&=0xF3FF;
445 TempAddr|=(V&3)<<10;
446}
447
448static DECLFW(B2001)
449{
4fdfab07 450 /* merged */
e328100e 451 FakedLineUpdate();
c62d2810 452 PPUGenLatch=V;
453 PPU[1]=V;
454 if(V&0xE0)
455 deemp=V>>5;
456 //printf("$%04x:$%02x, %d\n",X.PC,V,scanline);
457}
458
459static DECLFW(B2002)
460{
4fdfab07 461 /* merged */
c62d2810 462 PPUGenLatch=V;
463}
464
465static DECLFW(B2003)
466{
4fdfab07 467 /* merged */
c62d2810 468 PPUGenLatch=V;
469 PPU[3]=V;
470 PPUSPL=V&0x7;
471}
472
473static DECLFW(B2004)
474{
4fdfab07 475 /* merged */
c62d2810 476 PPUGenLatch=V;
4fdfab07 477 if(PPUSPL>=8)
c62d2810 478 {
479 if(PPU[3]>=8)
480 SPRAM[PPU[3]]=V;
481 }
482 else
483 {
484 //printf("$%02x:$%02x\n",PPUSPL,V);
485 SPRAM[PPUSPL]=V;
c62d2810 486 }
487 PPU[3]++;
4fdfab07 488 PPUSPL++;
5232c20c 489
c62d2810 490}
491
492static DECLFW(B2005)
493{
4fdfab07 494 /* merged */
c62d2810 495 uint32 tmp=TempAddr;
e328100e 496 FakedLineUpdate();
c62d2810 497 PPUGenLatch=V;
498 if (!vtoggle)
499 {
500 tmp&=0xFFE0;
501 tmp|=V>>3;
502 XOffset=V&7;
503 }
504 else
505 {
506 tmp&=0x8C1F;
507 tmp|=((V&~0x7)<<2);
508 tmp|=(V&7)<<12;
509 }
510
511 TempAddr=tmp;
512 vtoggle^=1;
513}
514
515static DECLFW(B2006)
516{
4fdfab07 517 /* merged */
e328100e 518 FakedLineUpdate();
4fdfab07 519
c62d2810 520 PPUGenLatch=V;
521 if(!vtoggle)
522 {
523 TempAddr&=0x00FF;
524 TempAddr|=(V&0x3f)<<8;
525 }
526 else
527 {
528 TempAddr&=0xFF00;
529 TempAddr|=V;
c62d2810 530
4fdfab07 531 RefreshAddr=TempAddr;
c62d2810 532 if(PPU_hook)
533 PPU_hook(RefreshAddr);
534 }
535 vtoggle^=1;
536}
537
538static DECLFW(B2007)
15300263 539{
4fdfab07 540 /* merged */
c62d2810 541 uint32 tmp=RefreshAddr&0x3FFF;
c62d2810 542 PPUGenLatch=V;
543 if(tmp>=0x3F00)
544 {
4fdfab07 545 // hmmm....
546 if(!(tmp&0xf))
547 PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f;
548 else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
c62d2810 549 }
550 else if(tmp<0x2000)
551 {
552 if(PPUCHRRAM&(1<<(tmp>>10)))
553 VPage[tmp>>10][tmp]=V;
554 }
555 else
15300263 556 {
c62d2810 557 if(PPUNTARAM&(1<<((tmp&0xF00)>>10)))
558 vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V;
559 }
560 if (INC32) RefreshAddr+=32;
561 else RefreshAddr++;
562 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
563}
564
565static DECLFW(B4014)
15300263 566{
c62d2810 567 uint32 t=V<<8;
568 int x;
4fdfab07 569
c62d2810 570 for(x=0;x<256;x++)
571 B2004(0x2004,X.DB=ARead[t+x](t+x));
572 X6502_AddCycles(512);
573}
574
5232c20c 575void BGRender(uint8 *target)
c62d2810 576{
4a1bf31b 577 uint32 tem, vofs;
578 vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
579
580 Pal[0]|=64;
581 Pal[4]|=64;
582 Pal[8]|=64;
583 Pal[0xC]|=64;
584 RefreshLine(target-XOffset, vofs);
585 Pal[0]&=63;
586 Pal[4]&=63;
587 Pal[8]&=63;
588 Pal[0xC]&=63;
589
c62d2810 590 if(!(PPU[1]&2))
591 {
9115e7d2 592 tem=Pal[0]|0x40;
593 tem|=tem<<8;
594 tem|=tem<<16;
c62d2810 595 *(uint32 *)target=*(uint32 *)(target+4)=tem;
596 }
597}
598
599#ifdef FRAMESKIP
5232c20c 600int FSkip=0;
c62d2810 601void FCEUI_FrameSkip(int x)
602{
603 FSkip=x;
604}
605#endif
606
607/* This is called at the beginning of each visible scanline */
e328100e 608static void LineUpdate(uint8 *target)
c62d2810 609{
610 uint32 tem;
c0623dcf 611 int y;
c62d2810 612
078eb4c0 613 /* PRefreshLine() will not get called on skipped frames. This
614 * could cause a problem, but the solution would be rather complex,
615 * due to the current sprite 0 hit code.
616 */
c0623dcf 617 if(FSkip)
618 {
619 y=(int)SPRAM[0] + 1;
620 if(scanline==y && SpriteON) PPU_status|=0x40; // hack
621 return;
622 }
078eb4c0 623
624 if(scanline < FSettings.FirstSLine || scanline > FSettings.LastSLine)
e328100e 625 {
626 if(PPU_hook)
627 PRefreshLine();
c0623dcf 628 y=(int)SPRAM[0] + 1;
629 if(scanline==y && SpriteON) PPU_status|=0x40;
e328100e 630 }
631 else
632 {
633 if(ScreenON)
c62d2810 634 {
21afaa36 635 BGRender(target);
c62d2810 636 }
e328100e 637 else
c62d2810 638 {
e328100e 639 tem=Pal[0]|0x40;
640 tem|=tem << 8;
641 tem|=tem << 16;
642 FCEU_dwmemset(target,tem,256);
c62d2810 643 }
15300263 644 }
e328100e 645
c62d2810 646 if(InputScanlineHook)
e328100e 647 InputScanlineHook(target,spork?sprlinebuf:0,linestartts,256);
648}
649
650
651static void LineUpdateEnd(uint8 *target)
652{
653#ifdef GP2X
654 if(ScreenON || SpriteON) // Yes, very el-cheapo.
655 {
656 if(PPU[1]&0x01)
657 block_and(target, 256, 0x30);
658 }
659 if((PPU[1]>>5)==0x7)
660 block_or(target, 256, 0xc0);
661 else if(PPU[1]&0xE0)
662 block_or(target, 256, 0x40);
663 else
664 block_andor(target, 256, 0x3f, 0x80);
665#else
666 int x;
667
668 if(ScreenON || SpriteON) // Yes, very el-cheapo.
669 {
670 if(PPU[1]&0x01)
671 {
672 for(x=63;x>=0;x--)
673 *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])&0x30303030;
674 }
675 }
676 if((PPU[1]>>5)==0x7)
677 {
678 for(x=63;x>=0;x--)
679 *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0xc0c0c0c0;
680 }
681 else if(PPU[1]&0xE0)
682 for(x=63;x>=0;x--)
683 *(uint32 *)&target[x<<2]=(*(uint32*)&target[x<<2])|0x40404040;
684 else
685 for(x=63;x>=0;x--)
686 *(uint32 *)&target[x<<2]=((*(uint32*)&target[x<<2])&0x3f3f3f3f)|0x80808080;
687#endif
688
689 // black borders
690 ((uint32 *)target)[-2]=((uint32 *)target)[-1]=0;
691 ((uint32 *)target)[64]=((uint32 *)target)[65]=0;
c62d2810 692}
693
694#define PAL(c) ((c)+cc)
695
696
697static void PRefreshLine(void)
698{
078eb4c0 699 uint32 vofs;
700 int X1;
701 vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
702 void (*PPU_hook_)(uint32 A) = PPU_hook;
c62d2810 703
c62d2810 704
078eb4c0 705 for(X1=33;X1;X1--)
706 {
707 uint32 zz2;
708 uint32 vadr;
709
710 zz2=(RefreshAddr>>10)&3;
711 PPU_hook_(0x2000|(RefreshAddr&0xFFF));
712
713 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
714
715 PPU_hook_(vadr);
c62d2810 716
c62d2810 717 if((RefreshAddr&0x1f)==0x1f)
718 RefreshAddr^=0x41F;
719 else
720 RefreshAddr++;
078eb4c0 721 }
c62d2810 722}
723
4a1bf31b 724/* This high-level graphics MMC5 emulation code was written
725 for MMC5 carts in "CL" mode. It's probably not totally
726 correct for carts in "SL" mode.
727 */
728static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs)
c62d2810 729{
4a1bf31b 730 int8 tochange, X1;
c62d2810 731
732 tochange=MMC5HackSPMode&0x1F;
733
734 for(X1=33;X1;X1--,P+=8)
735 {
736 uint8 *C;
5232c20c 737 uint8 cc,zz,zz2;
c62d2810 738 uint32 vadr;
739
15300263 740 if((tochange<=0 && MMC5HackSPMode&0x40) ||
c62d2810 741 (tochange>0 && !(MMC5HackSPMode&0x40)))
742 {
743 uint8 xs,ys;
744
15300263 745 xs=33-X1;
c62d2810 746 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
747 if(ys>=0x1E) ys-=0x1E;
748 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
749
750 C = MMC5HackVROMPTR+vadr;
751 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
752
753 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
754 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
755 }
756 else
757 {
758 zz=RefreshAddr&0x1F;
759 zz2=(RefreshAddr>>10)&3;
760 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
761 C = MMC5BGVRAMADR(vadr);
762 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
763 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
764 }
765 #include "fceline.h"
766
767 if((RefreshAddr&0x1f)==0x1f)
768 RefreshAddr^=0x41F;
769 else
770 RefreshAddr++;
771 tochange--;
772 }
4a1bf31b 773}
774
775static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs)
776{
777 int8 tochange, X1;
c62d2810 778
779 tochange=MMC5HackSPMode&0x1F;
780
781 for(X1=33;X1;X1--,P+=8)
782 {
783 uint8 *C;
5232c20c 784 uint8 cc;
785 uint8 zz2;
c62d2810 786 uint32 vadr;
787
788 if((tochange<=0 && MMC5HackSPMode&0x40) ||
789 (tochange>0 && !(MMC5HackSPMode&0x40)))
790 {
791 uint8 xs,ys;
792
15300263 793 xs=33-X1;
c62d2810 794 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
795 if(ys>=0x1E) ys-=0x1E;
796 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
797
798 C = MMC5HackVROMPTR+vadr;
799 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
800
801 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
802 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
803 }
804 else
805 {
806 C=MMC5HackVROMPTR;
807 zz2=(RefreshAddr>>10)&3;
808 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
809 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
810 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
811 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
812 cc = vadr;
813 }
814 #include "fceline.h"
815 if((RefreshAddr&0x1f)==0x1f)
816 RefreshAddr^=0x41F;
817 else
818 RefreshAddr++;
819 tochange--;
820 }
4a1bf31b 821}
822
823static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs)
824{
825 int8 X1;
c62d2810 826
c62d2810 827 for(X1=33;X1;X1--,P+=8)
828 {
15300263 829 uint8 *C;
5232c20c 830 uint8 cc;
831 uint8 zz2;
15300263 832 uint32 vadr;
c62d2810 833
834 C=MMC5HackVROMPTR;
835 zz2=(RefreshAddr>>10)&3;
836 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
15300263 837 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
c62d2810 838 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
839 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
840 cc = vadr;
841
842 #include "fceline.h"
843 if((RefreshAddr&0x1f)==0x1f)
844 RefreshAddr^=0x41F;
845 else
846 RefreshAddr++;
847 }
4a1bf31b 848}
849
850static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs)
851{
852 int8 X1;
853
c62d2810 854 for(X1=33;X1;X1--,P+=8)
855 {
856 uint8 *C;
5232c20c 857 uint8 cc,zz,zz2;
c62d2810 858 uint32 vadr;
859
860 zz=RefreshAddr&0x1F;
861 zz2=(RefreshAddr>>10)&3;
862 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
863 C = MMC5BGVRAMADR(vadr);
864 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
865 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
866
867 #include "fceline.h"
15300263 868
c62d2810 869 if((RefreshAddr&0x1f)==0x1f)
870 RefreshAddr^=0x41F;
871 else
872 RefreshAddr++;
15300263 873 }
4a1bf31b 874}
875
876static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs)
877{
878 int8 X1;
078eb4c0 879 void (*PPU_hook_)(uint32 A) = PPU_hook;
880 uint32 rfraddr = RefreshAddr;
881 uint8 *page = vnapage[(rfraddr>>10)&3];
c62d2810 882
c62d2810 883 for(X1=33;X1;X1--,P+=8)
884 {
15300263 885 uint8 *C;
078eb4c0 886 uint8 cc,zz;
15300263 887 uint32 vadr;
c62d2810 888
078eb4c0 889 zz=rfraddr&0x1F;
890 PPU_hook_(0x2000|(rfraddr&0xFFF));
891 cc=page[0x3c0+(zz>>2)+((rfraddr&0x380)>>4)];
892 cc=((cc >> ((zz&2) + ((rfraddr&0x40)>>4))) &3) <<2;
893 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
c62d2810 894 C = VRAMADR(vadr);
895
896 #include "fceline.h"
897
078eb4c0 898 PPU_hook_(vadr);
c62d2810 899
078eb4c0 900 if((rfraddr&0x1f)==0x1f) {
901 rfraddr^=0x41F;
902 page = vnapage[(rfraddr>>10)&3];
903 } else
904 rfraddr++;
c62d2810 905 }
078eb4c0 906 RefreshAddr = rfraddr;
4a1bf31b 907}
908
9115e7d2 909static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
4a1bf31b 910{
911 int8 X1;
9115e7d2 912 uint32 rfraddr = RefreshAddr;
913 uint8 *page = vnapage[(rfraddr>>10)&3];
914 uint32 cc2=0;
4a1bf31b 915
9115e7d2 916 if ((rfraddr&0xc)!=0)
917 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
918
919 for (X1=33;X1;X1--,P+=8)
c62d2810 920 {
9115e7d2 921 uint8 cc,*C;
c62d2810 922 uint32 vadr;
923
9115e7d2 924 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
c62d2810 925 C = VRAMADR(vadr);
9115e7d2 926 if ((rfraddr&0xc)==0)
927 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
928 cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2;
4a1bf31b 929
9115e7d2 930 #include "fceline.h"
15300263 931
9115e7d2 932 if((rfraddr&0x1f)==0x1f) {
933 rfraddr^=0x41F;
934 page = vnapage[(rfraddr>>10)&3];
935 } else
936 rfraddr++;
c62d2810 937 }
9115e7d2 938 RefreshAddr = rfraddr;
4a1bf31b 939}
c62d2810 940
4a1bf31b 941static void SetRefreshLine(void)
942{
943 if(MMC5Hack && geniestage!=1)
944 {
945 if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80))
946 {
947 if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n");
948 RefreshLine = RefreshLine_MMC5Hack1;
949 }
950 else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80))
951 {
952 if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n");
953 RefreshLine = RefreshLine_MMC5Hack2;
954 }
955 else if(MMC5HackCHRMode==1)
956 {
957 if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n");
958 RefreshLine = RefreshLine_MMC5Hack3;
959 }
960 else
961 {
962 if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n");
963 RefreshLine = RefreshLine_MMC5Hack4;
964 }
965 } // End if(MMC5Hack)
966 else if(PPU_hook)
967 {
968 if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n");
969 RefreshLine = RefreshLine_PPU_hook;
970 }
971 else
972 {
973 if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n");
974 RefreshLine = RefreshLine_normal;
975 }
c62d2810 976}
977
4fdfab07 978static INLINE
937bf65b 979void Fixit2(void)
c62d2810 980{
981 if(ScreenON || SpriteON)
982 {
983 uint32 rad=RefreshAddr;
984 rad&=0xFBE0;
985 rad|=TempAddr&0x041f;
986 RefreshAddr=rad;
987 //PPU_hook(RefreshAddr,-1);
988 }
989}
990
4fdfab07 991static INLINE
937bf65b 992void Fixit1(void)
c62d2810 993{
994 if(ScreenON || SpriteON)
995 {
996 uint32 rad=RefreshAddr;
997
998 if((rad&0x7000)==0x7000)
999 {
1000 rad^=0x7000;
1001 if((rad&0x3E0)==0x3A0)
1002 {
1003 rad^=0x3A0;
1004 rad^=0x800;
1005 }
1006 else
1007 {
1008 if((rad&0x3E0)==0x3e0)
1009 rad^=0x3e0;
1010 else rad+=0x20;
1011 }
1012 }
1013 else
1014 rad+=0x1000;
1015 RefreshAddr=rad;
1016 //PPU_hook(RefreshAddr,-1);
1017 }
1018}
1019
937bf65b 1020
5232c20c 1021// ============================//
1022// end of new code
1023// ===========================//
c62d2810 1024
1025void ResetMapping(void)
1026{
1027 int x;
1028
1029 SetReadHandler(0x0000,0xFFFF,ANull);
1030 SetWriteHandler(0x0000,0xFFFF,BNull);
1031
1032 SetReadHandler(0,0x7FF,ARAML);
1033 SetWriteHandler(0,0x7FF,BRAML);
1034
1035 SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */
1036 SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
1037
1038 for(x=0x2000;x<0x4000;x+=8)
1039 {
1040 ARead[x]=A200x;
1041 BWrite[x]=B2000;
1042 ARead[x+1]=A200x;
1043 BWrite[x+1]=B2001;
1044 ARead[x+2]=A2002;
1045 BWrite[x+2]=B2002;
1046 ARead[x+3]=A200x;
1047 BWrite[x+3]=B2003;
1048 ARead[x+4]=A200x;
1049 BWrite[x+4]=B2004;
1050 ARead[x+5]=A200x;
1051 BWrite[x+5]=B2005;
1052 ARead[x+6]=A200x;
1053 BWrite[x+6]=B2006;
1054 ARead[x+7]=A2007;
1055 BWrite[x+7]=B2007;
1056 }
1057
1058 BWrite[0x4014]=B4014;
1059 SetNESSoundMap();
1060 InitializeInput();
1061}
1062
1063int GameLoaded=0;
1064void CloseGame(void)
1065{
c4980f9e 1066 FCEUI_StopMovie();
c62d2810 1067 if(GameLoaded)
1068 {
1069 if(FCEUGameInfo.type!=GIT_NSF)
92764e62 1070 FCEU_FlushGameCheats(0,0);
c62d2810 1071 #ifdef NETWORK
1072 if(FSettings.NetworkPlay) KillNetplay();
15300263 1073 #endif
c4980f9e 1074 GameInterface(GI_CLOSE, 0);
c62d2810 1075 CloseGenie();
1076 GameLoaded=0;
1077 }
1078}
1079
1080void ResetGameLoaded(void)
1081{
1082 if(GameLoaded) CloseGame();
1083 GameStateRestore=0;
1084 PPU_hook=0;
d97315ac 1085 GameHBIRQHook=GameHBIRQHook2=0;
c62d2810 1086 GameExpSound.Fill=0;
1087 GameExpSound.RChange=0;
1088 if(GameExpSound.Kill)
1089 GameExpSound.Kill();
1090 GameExpSound.Kill=0;
1091 MapIRQHook=0;
1092 MMC5Hack=0;
1093 PAL&=1;
1094 pale=0;
1095
1096 FCEUGameInfo.name=0;
1097 FCEUGameInfo.type=GIT_CART;
1098 FCEUGameInfo.vidsys=GIV_USER;
1099 FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1;
1100 FCEUGameInfo.inputfc=-1;
6244011f 1101
1102 FCEUGameInfo.soundchan=0;
1103 FCEUGameInfo.soundrate=0;
1104 FCEUGameInfo.cspecial=0;
c62d2810 1105}
1106
5a2aa426 1107char lastLoadedGameName [2048];
989672f4 1108int LoadGameLastError = 0;
d97315ac 1109int UNIFLoad(const char *name, int fp);
1110int iNESLoad(const char *name, int fp);
1111int FDSLoad(const char *name, int fp);
1112int NSFLoad(int fp);
5a2aa426 1113
c62d2810 1114FCEUGI *FCEUI_LoadGame(char *name)
1115{
5a2aa426 1116 char name2[512];
892b1f6c 1117 int have_movie = 0, have_ips = 0;
c62d2810 1118 int fp;
1119
b2b95d2e 1120 //Exit=1;
989672f4 1121 LoadGameLastError = 0;
c62d2810 1122 ResetGameLoaded();
1123
5a2aa426 1124 strncpy(name2, name, sizeof(name2));
1125 name2[sizeof(name2)-1] = 0;
1126
1127 fp=FCEU_fopen(name2,"rb");
c62d2810 1128 if(!fp)
1129 {
1130 FCEU_PrintError("Error opening \"%s\"!",name);
989672f4 1131 LoadGameLastError = 1;
c62d2810 1132 return 0;
1133 }
1134
5a2aa426 1135 {
1136 char *p = name2 + strlen(name2) - 4;
892b1f6c 1137 if (strcasecmp(p, ".fcm") == 0) printf("movie detected\n"), have_movie = 1;
1138 if (strcasecmp(p, ".ips") == 0) printf("ips detected\n"), have_ips = 1;
1139 if (have_movie || have_ips)
5a2aa426 1140 {
1141 // movie detected
5a2aa426 1142 FCEU_fclose(fp);
1143 *p = 0;
1144 fp=FCEU_fopen(name2,"rb");
892b1f6c 1145 if (!fp && p - name2 > 2)
1146 {
1147 for (p--; p > name2 && *p != '.'; p--);
1148 *p = 0;
1149 fp=FCEU_fopen(name2,"rb");
1150 }
5a2aa426 1151 if (!fp) {
892b1f6c 1152 printf("no ROM for ips/movie\n");
989672f4 1153 LoadGameLastError = 2;
5a2aa426 1154 return 0;
1155 }
5a2aa426 1156 }
1157 }
1158
892b1f6c 1159 // do IPS patch
1160 if (have_ips)
1161 {
1162 FCEU_fclose(fp);
1163 FILE *ips = fopen(name, "rb");
1164 if (!ips) return 0;
1165 fp=FCEU_fopen_forcemem(name2);
1166 if (!fp) { fclose(ips); return 0; }
1167 ApplyIPS(ips, fp); // closes ips
1168 }
1169
5a2aa426 1170 GetFileBase(name2);
1171 if(iNESLoad(name2,fp))
c62d2810 1172 goto endlseq;
1173 if(NSFLoad(fp))
1174 goto endlseq;
5a2aa426 1175 if(FDSLoad(name2,fp))
c62d2810 1176 goto endlseq;
5a2aa426 1177 if(UNIFLoad(name2,fp))
c62d2810 1178 goto endlseq;
1179
1180 FCEU_PrintError("An error occurred while loading the file.");
1181 FCEU_fclose(fp);
989672f4 1182 // format handlers may set LoadGameLastError themselves.
1183 if (LoadGameLastError == 0) LoadGameLastError = 3;
c62d2810 1184 return 0;
1185
1186 endlseq:
1187 FCEU_fclose(fp);
15300263 1188 GameLoaded=1;
c62d2810 1189
1190 FCEU_ResetVidSys();
1191 if(FCEUGameInfo.type!=GIT_NSF)
1192 if(FSettings.GameGenie)
1193 OpenGenie();
1194
1195 PowerNES();
1196 #ifdef NETWORK
1197 if(FSettings.NetworkPlay) InitNetplay();
1198 #endif
1199 SaveStateRefresh();
1200 if(FCEUGameInfo.type!=GIT_NSF)
1201 {
92764e62 1202 FCEU_LoadGamePalette();
1203 FCEU_LoadGameCheats(0);
c62d2810 1204 }
15300263 1205
c62d2810 1206 FCEU_ResetPalette();
1207 Exit=0;
5a2aa426 1208
1209 if (have_movie)
1210 FCEUI_LoadMovie(name, 1);
989672f4 1211
1212 strcpy(lastLoadedGameName, name2);
1213
c62d2810 1214 return(&FCEUGameInfo);
1215}
1216
1217
1218void FCEU_ResetVidSys(void)
1219{
1220 int w;
1221
1222 if(FCEUGameInfo.vidsys==GIV_NTSC)
1223 w=0;
1224 else if(FCEUGameInfo.vidsys==GIV_PAL)
1225 w=1;
1226 else
1227 w=FSettings.PAL;
1228
1229 if(w)
1230 {
1231 PAL=1;
c62d2810 1232 FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
1233 FSettings.LastSLine=FSettings.UsrLastSLine[1];
1234 }
1235 else
1236 {
1237 PAL=0;
c62d2810 1238 FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
1239 FSettings.LastSLine=FSettings.UsrLastSLine[0];
1240 }
0b65fdb3 1241 printf("ResetVidSys: PAL = %i\n", PAL);
c62d2810 1242 SetSoundVariables();
1243}
1244
1245int FCEUI_Initialize(void)
1246{
1247 if(!InitVirtualVideo())
1248 return 0;
1249 memset(&FSettings,0,sizeof(FSettings));
1250 FSettings.UsrFirstSLine[0]=8;
1251 FSettings.UsrFirstSLine[1]=0;
1252 FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239;
92764e62 1253 FSettings.SoundVolume=100;
6244011f 1254
1255 FCEUI_Initialize098();
1256 FCEUI_SetEmuMode(0);
1257
c62d2810 1258 return 1;
1259}
1260
6244011f 1261void FCEUI_Kill(void)
1262{
1263 FCEU_KillGenie();
1264}
1265
1266static void EmLoop(void);
1267
a384bf44 1268int use098code = 0;
6244011f 1269void (*ResetNES)(void) = 0;
1270void (*PowerNES)(void) = 0;
1271void (*FCEUI_Emulate)(void) = 0;
1272
1273void FCEUI_SetEmuMode(int is_new)
1274{
a384bf44 1275 use098code = is_new;
6244011f 1276 if (is_new)
1277 {
1278 ResetNES=ResetNES098;
1279 PowerNES=PowerNES098;
1280 FCEUI_Emulate=FCEUI_Emulate098;
1281 }
1282 else
1283 {
1284 ResetNES=ResetNES081;
1285 PowerNES=PowerNES081;
1286 FCEUI_Emulate=EmLoop;
1287 }
1288}
1289
ea80a45b 1290void MMC5_hb(int); /* Ugh ugh ugh. */
e328100e 1291static void DoLine(void)
c62d2810 1292{
e328100e 1293 uint8 *target=XBuf+scanline*320+32;
1294
1295 LineUpdate(target);
c62d2810 1296
ea80a45b 1297 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1298
e328100e 1299 X6502_Run(256);
1300
f12b1f31 1301 // check: Battletoads & Double Dragon, Addams Family
1302 // sky glitches in SMB1 if done wrong
e328100e 1303 FakedLineUpdate();
1304
1305#ifdef FRAMESKIP
1306 if(!FSkip)
1307#endif
21afaa36 1308 if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine)
1309 {
1310 if(SpriteON && spork)
1311 CopySprites(target);
e328100e 1312
21afaa36 1313 LineUpdateEnd(target);
1314 }
e328100e 1315 sphitx=0x100;
1316
1317 if(ScreenON || SpriteON)
1318 FetchSpriteData();
1319
1320 // DoHBlank();
1321 if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
15300263 1322 {
e328100e 1323 X6502_Run(6);
1324 Fixit2();
1325 X6502_Run(4);
1326 GameHBIRQHook();
1327 X6502_Run(85-10-16);
c62d2810 1328 }
1329 else
1330 {
e328100e 1331 X6502_Run(6); // Tried 65, caused problems with Slalom(maybe others)
1332 Fixit2();
1333 X6502_Run(85-6-16);
c62d2810 1334 }
e328100e 1335
1336 if(SpriteON)
1337 RefreshSprites();
1338 if(GameHBIRQHook2 && (ScreenON || SpriteON))
1339 GameHBIRQHook2();
1340 scanline++;
1341 if (scanline<240)
1342 ResetRL(XBuf+scanline*320+32);
1343 X6502_Run(16);
c62d2810 1344}
c62d2810 1345
e328100e 1346
6244011f 1347static void EmLoop(void)
c62d2810 1348{
1349 for(;;)
1350 {
ea80a45b 1351 int x;
92e249b1 1352 uint32 scanlines_per_frame = PAL ? 312 : 262;
4fdfab07 1353 UpdateInput();
92764e62 1354 FCEU_ApplyPeriodicCheats();
4fdfab07 1355
1356 // FCEUPPU_Loop:
1357 if(ppudead) /* Needed for Knight Rider, possibly others. */
1358 {
6587f346 1359 //memset(XBuf, 0, 320*240);
a384bf44 1360 //X6502_Run(scanlines_per_frame*(256+85));
1361 int lines;
1362 for (lines=scanlines_per_frame;lines;lines--)
1363 X6502_Run(256+85);
4fdfab07 1364 ppudead--;
1365 goto update;
1366 }
ea80a45b 1367
c62d2810 1368 X6502_Run(256+85);
1369
1370 PPU[2]|=0x80;
1371 PPU[3]=PPUSPL=0; /* Not sure if this is correct. According
1372 to Matt Conte and my own tests, it is. Timing is probably
1373 off, though. NOTE: Not having this here
1374 breaks a Super Donkey Kong game. */
1375
1376 X6502_Run(12); /* I need to figure out the true nature and length
15300263 1377 of this delay.
c62d2810 1378 */
1379 if(FCEUGameInfo.type==GIT_NSF)
ea80a45b 1380 DoNSFFrame();
c62d2810 1381 else if(VBlankON)
1382 TriggerNMI();
1383
655f8df0 1384 // Note: this is needed for asm core
1385 // Warning: using 'scanline' var here breaks Castlevania III
1386 {
1387 int lines;
1388 X6502_Run(256+85-12);
1389 for (lines=scanlines_per_frame-242-1;lines;lines--)
1390 X6502_Run(256+85);
1391 }
1392 // X6502_Run((scanlines_per_frame-242)*(256+85)-12);
c62d2810 1393 PPU_status&=0x1f;
c62d2810 1394 X6502_Run(256);
ea80a45b 1395
c62d2810 1396 {
c62d2810 1397 if(ScreenON || SpriteON)
d97315ac 1398 {
c62d2810 1399 if(GameHBIRQHook)
1400 GameHBIRQHook();
ea80a45b 1401 if(PPU_hook)
1402 for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
d97315ac 1403 if(GameHBIRQHook2)
1404 GameHBIRQHook2();
1405 }
c62d2810 1406
4fdfab07 1407 X6502_Run(85-16);
c62d2810 1408
4fdfab07 1409 if(ScreenON || SpriteON)
1410 {
1411 RefreshAddr=TempAddr;
1412 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
1413 }
e328100e 1414 spork=0;
1415 ResetRL(XBuf+32);
4fdfab07 1416
1417 X6502_Run(16-kook);
1418 kook ^= 1;
c62d2810 1419 }
4fdfab07 1420
c62d2810 1421 if(FCEUGameInfo.type==GIT_NSF)
937bf65b 1422 {
6587f346 1423 // run scanlines for asm core to fuction
13624c8f 1424 for(scanline=0;scanline<240;scanline++)
1425 X6502_Run(256+85);
937bf65b 1426 }
c62d2810 1427 else
1428 {
1429 int x,max,maxref;
1430
1431 deemp=PPU[1]>>5;
4a1bf31b 1432 SetRefreshLine();
4fdfab07 1433 for(scanline=0;scanline<240;) // scanline is incremented in DoLine. Evil. :/
c62d2810 1434 {
1435 deempcnt[deemp]++;
e328100e 1436 DoLine();
c62d2810 1437 }
ea80a45b 1438 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
c62d2810 1439 for(x=1,max=0,maxref=0;x<7;x++)
1440 {
1441 if(deempcnt[x]>max)
1442 {
1443 max=deempcnt[x];
1444 maxref=x;
1445 }
1446 deempcnt[x]=0;
1447 }
c62d2810 1448 SetNESDeemph(maxref,0);
1449 }
1450
4fdfab07 1451update:
47d0839e 1452 if(Exit)
1453 {
1454 //CloseGame();
1455 break;
1456 }
1457
c62d2810 1458 {
1459 int ssize;
1460
1461 ssize=FlushEmulateSound();
1462
4fdfab07 1463 timestampbase += timestamp;
1464 timestamp = 0;
1465
c62d2810 1466 #ifdef FRAMESKIP
1467 if(FSkip)
1468 {
1469 FCEU_PutImageDummy();
1470 FSkip--;
5232c20c 1471 FCEUD_Update(0,WaveFinalMono,ssize);
c62d2810 1472 }
1473 else
1474 #endif
1475 {
1476 FCEU_PutImage();
5232c20c 1477 FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
c62d2810 1478 }
c62d2810 1479 }
1480
4fdfab07 1481 } // for
c62d2810 1482}
1483
c62d2810 1484void FCEUI_CloseGame(void)
1485{
1486 Exit=1;
1487}
1488
1489static void ResetPPU(void)
1490{
1491 VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0;
1492 PPUSPL=0;
1493 PPUGenLatch=0;
1494 RefreshAddr=TempAddr=0;
1495 vtoggle = 0;
4fdfab07 1496 ppudead = 2;
1497 kook = 0;
c62d2810 1498}
1499
1500static void PowerPPU(void)
1501{
1502 memset(NTARAM,0x00,0x800);
1503 memset(PALRAM,0x00,0x20);
1504 memset(SPRAM,0x00,0x100);
1505 ResetPPU();
1506}
1507
6244011f 1508void ResetNES081(void)
c62d2810 1509{
92764e62 1510 if(!GameLoaded) return;
c4980f9e 1511 GameInterface(GI_RESETM2, 0);
c62d2810 1512 ResetSound();
1513 ResetPPU();
1514 X6502_Reset();
1515}
1516
b8da43fb 1517static void FCEU_MemoryRand(uint8 *ptr, uint32 size)
1518{
1519 int x=0;
1520 while(size)
1521 {
1522 *ptr=(x&4)?0xFF:0x00;
1523 x++;
1524 size--;
1525 ptr++;
1526 }
1527}
1528
6244011f 1529void PowerNES081(void)
c62d2810 1530{
1531 if(!GameLoaded) return;
1532
1533 FCEU_CheatResetRAM();
1534 FCEU_CheatAddRAM(2,0,RAM);
1535
1536 GeniePower();
1537
b8da43fb 1538#ifndef DEBUG_ASM_6502
1539 FCEU_MemoryRand(RAM,0x800);
1540#else
c62d2810 1541 memset(RAM,0x00,0x800);
b8da43fb 1542#endif
c62d2810 1543 ResetMapping();
c62d2810 1544 PowerSound();
1545 PowerPPU();
0bb3fe12 1546 GameInterface(GI_POWER, 0);
15d2d258 1547 if(FCEUGameInfo.type==GIT_VSUNI)
1548 FCEU_VSUniPower();
b8da43fb 1549#ifdef ASM_6502
1550 if (geniestage)
1551 GenieSetPages(0);
1552#endif
15d2d258 1553 timestampbase=0;
c62d2810 1554 X6502_Power();
15d2d258 1555 FCEU_PowerCheats();
c62d2810 1556}
1557
890e37ba 1558
1559/* savestate stuff */
1560uint16 TempAddrT,RefreshAddrT;
1561
1562SFORMAT FCEUPPU_STATEINFO[]={
1563 { NTARAM, 0x800, "NTAR"},
1564 { PALRAM, 0x20, "PRAM"},
1565 { SPRAM, 0x100, "SPRA"},
1566 { PPU, 0x4, "PPUR"},
1567 { &XOffset, 1, "XOFF"},
1568 { &vtoggle, 1, "VTOG"},
1569 { &RefreshAddrT, 2|RLSB, "RADD"},
1570 { &TempAddrT, 2|RLSB, "TADD"},
1571 { &VRAMBuffer, 1, "VBUF"},
1572 { &PPUGenLatch, 1, "PGEN"},
1573 // from 0.98.15
1574 { &kook, 1, "KOOK"},
1575 { &ppudead, 1, "DEAD"},
1576 { &PPUSPL, 1, "PSPL"},
1577 { 0 }
1578 };
1579
1580
ARM optimized FCE Ultra port