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some warnings fixed, nsf fixed, palettes, more code backported
[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"
29#include "sound.h"
30#include "svga.h"
31#include "netplay.h"
32#include "general.h"
33#include "endian.h"
34#include "version.h"
35#include "memory.h"
36
37#include "cart.h"
38#include "nsf.h"
39#include "fds.h"
40#include "ines.h"
41#include "unif.h"
42#include "cheat.h"
43
44#include "state.h"
45#include "video.h"
46#include "input.h"
47#include "file.h"
48#include "crc32.h"
5232c20c 49#include "ppu.h"
c62d2810 50
92764e62 51#include "palette.h"
5a2aa426 52#include "movie.h"
53
4fdfab07 54#include "dprintf.h"
55
c62d2810 56#define Pal (PALRAM)
57
5232c20c 58
4a1bf31b 59static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL;
c62d2810 60static void PRefreshLine(void);
5232c20c 61
c62d2810 62static void ResetPPU(void);
63static void PowerPPU(void);
64
65uint64 timestampbase=0;
66
4fdfab07 67static int ppudead=1;
68static int kook=0;
69
c62d2810 70int MMC5Hack;
71uint32 MMC5HackVROMMask;
72uint8 *MMC5HackExNTARAMPtr;
73uint8 *MMC5HackVROMPTR;
15300263 74uint8 MMC5HackCHRMode=0;
c62d2810 75uint8 MMC5HackSPMode;
76uint8 MMC5HackSPScroll;
77uint8 MMC5HackSPPage;
78
79uint8 *MMC5SPRVPage[8];
80uint8 *MMC5BGVPage[8];
81
82
83uint8 VRAMBuffer,PPUGenLatch;
84
85uint8 *vnapage[4];
86uint8 PPUNTARAM;
87uint8 PPUCHRRAM;
88
89/* Color deemphasis emulation. Joy... */
90static uint8 deemp=0;
91static int deempcnt[8];
92
5232c20c 93int tosprite=256;
c62d2810 94
95FCEUGI FCEUGameInfo;
96void (*GameInterface)(int h);
97
98void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
99
100void (*GameStateRestore)(int version);
d97315ac 101void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void);
c62d2810 102
103readfunc ARead[0x10000];
104writefunc BWrite[0x10000];
105static readfunc *AReadG;
106static writefunc *BWriteG;
107static int RWWrap=0;
108
92e249b1 109#ifdef ASM_6502
110static void asmcpu_update(int32 cycles)
111{
92e249b1 112 // some code from x6502.c
113 fhcnt-=cycles;
114 if(fhcnt<=0)
115 {
116 FrameSoundUpdate();
117 fhcnt+=fhinc;
118 }
119
120 if(PCMIRQCount>0)
121 {
122 PCMIRQCount-=cycles;
123 if(PCMIRQCount<=0)
124 {
125 vdis=1;
126 if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40))
127 {
128 extern uint8 SIRQStat;
129 SIRQStat|=0x80;
130 X6502_IRQBegin(FCEU_IQDPCM);
131 }
132 }
133 }
134}
135
136void asmcpu_unpack(void)
137{
138 nes_registers[0] = X.A << 24;
139 nes_registers[1] = X.X;
140 nes_registers[2] = X.Y;
141 pc_base = 0;
142 nes_registers[3] = X.PC;
c0bf6f9f 143 X6502_Rebase_a();
92e249b1 144 nes_registers[4] = X.S << 24;
145 nes_registers[4]|= X.IRQlow << 8;
8fa5eb33 146 nes_registers[7] = (uint32)X.count << 16;
92e249b1 147
148 // NVUB DIZC
149 nes_registers[4]|= X.P & 0x5d;
150 nes_registers[5] = X.P << 24; // N
151 if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
152}
153
154void asmcpu_pack(void)
155{
156 X.A = nes_registers[0] >> 24;
157 X.X = nes_registers[1];
158 X.Y = nes_registers[2];
159 X.PC= nes_registers[3] - pc_base;
160 X.S = nes_registers[4] >> 24;
161 X.IRQlow = nes_registers[4] >> 8;
8fa5eb33 162 X.count = (int32) nes_registers[7] >> 16;
92e249b1 163
164 // NVUB DIZC
165 X.P = nes_registers[4] & 0x5d;
166 if ( nes_registers[5]&0x80000000) X.P |= 0x80; // N
167 if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z
168}
169#endif
170
c62d2810 171DECLFW(BNull)
172{
173
174}
175
176DECLFR(ANull)
177{
178 return(X.DB);
179}
180
181int AllocGenieRW(void)
182{
183 if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc))))
184 return 0;
185 if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc))))
186 return 0;
187 RWWrap=1;
188 return 1;
189}
190
191void FlushGenieRW(void)
192{
193 int32 x;
194
195 if(RWWrap)
196 {
197 for(x=0;x<0x8000;x++)
198 {
199 ARead[x+0x8000]=AReadG[x];
200 BWrite[x+0x8000]=BWriteG[x];
201 }
202 free(AReadG);
203 free(BWriteG);
204 AReadG=0;
205 BWriteG=0;
206 RWWrap=0;
207 }
208}
209
210readfunc FASTAPASS(1) GetReadHandler(int32 a)
211{
212 if(a>=0x8000 && RWWrap)
213 return AReadG[a-0x8000];
214 else
215 return ARead[a];
216}
217
218void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func)
219{
220 int32 x;
221
222 if(!func)
223 func=ANull;
224
225 if(RWWrap)
226 for(x=end;x>=start;x--)
227 {
228 if(x>=0x8000)
229 AReadG[x-0x8000]=func;
230 else
231 ARead[x]=func;
232 }
233 else
234
235 for(x=end;x>=start;x--)
236 ARead[x]=func;
237}
238
239writefunc FASTAPASS(1) GetWriteHandler(int32 a)
240{
241 if(RWWrap && a>=0x8000)
242 return BWriteG[a-0x8000];
243 else
244 return BWrite[a];
245}
246
247void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func)
248{
249 int32 x;
250
251 if(!func)
252 func=BNull;
253
254 if(RWWrap)
255 for(x=end;x>=start;x--)
256 {
257 if(x>=0x8000)
258 BWriteG[x-0x8000]=func;
259 else
260 BWrite[x]=func;
261 }
262 else
263 for(x=end;x>=start;x--)
264 BWrite[x]=func;
265}
266
267uint8 vtoggle=0;
268uint8 XOffset=0;
269
270uint32 TempAddr,RefreshAddr;
271
c62d2810 272
273/* scanline is equal to the current visible scanline we're on. */
274
275int scanline;
c62d2810 276
9115e7d2 277uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
278uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
279uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
92e249b1 280#if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
9115e7d2 281uint8 RAM[0x800] __attribute__ ((aligned (4)));
af32b6c2 282#endif
9115e7d2 283
c62d2810 284uint8 PPU[4];
285uint8 PPUSPL;
286
c62d2810 287uint8 PAL=0;
288
5232c20c 289
c62d2810 290#define MMC5BGVRAMADR(V) &MMC5BGVPage[(V)>>10][(V)]
291#define VRAMADR(V) &VPage[(V)>>10][(V)]
15300263 292
4fdfab07 293static int linestartts;
294static int tofix=0;
295
296static void ResetRL(void)
297{
298 linestartts=timestamp*48+X6502_GetCycleCount();
299 tofix=1;
300}
301
302static INLINE void Fixit1(void);
303
304static void TryFixit1(void)
305{
306 #define TOFIXNUM (272-0x4)
307 int lastpixel;
308
309 if (scanline < 240 && tofix)
310 {
311 lastpixel = (timestamp*48-linestartts)>>4;
312 if (PAL) lastpixel += lastpixel>>4;
313
314 //printf("lastpixel: %i\n", lastpixel);
315
316 if(lastpixel>=TOFIXNUM)
317 {
318 Fixit1();
319 tofix=0;
320 }
321 }
322}
323
324
c62d2810 325static DECLFW(BRAML)
15300263 326{
c62d2810 327 RAM[A]=V;
328}
329
330static DECLFW(BRAMH)
331{
332 RAM[A&0x7FF]=V;
333}
334
335static DECLFR(ARAML)
336{
337 return RAM[A];
338}
339
340static DECLFR(ARAMH)
341{
342 return RAM[A&0x7FF];
343}
344
15300263 345
c62d2810 346static DECLFR(A2002)
347{
4fdfab07 348 /* merged */
c62d2810 349 uint8 ret;
4fdfab07 350
351 TryFixit1();
c62d2810 352 ret = PPU_status;
4fdfab07 353 ret|=PPUGenLatch&0x1F;
c62d2810 354 vtoggle=0;
355 PPU_status&=0x7F;
4fdfab07 356 PPUGenLatch=ret;
ea80a45b 357 //dprintf("r [2002] %02x",ret);
4fdfab07 358 return ret;
c62d2810 359}
360
361static DECLFR(A200x)
362{
4fdfab07 363 /* merged */
364 TryFixit1();
c62d2810 365 return PPUGenLatch;
366}
367
368static DECLFR(A2007)
369{
4fdfab07 370 /* merged */
c62d2810 371 uint8 ret;
372 uint32 tmp=RefreshAddr&0x3FFF;
373
4fdfab07 374 TryFixit1();
375
376 ret=VRAMBuffer;
377
c62d2810 378 if(PPU_hook) PPU_hook(tmp);
4fdfab07 379 PPUGenLatch=VRAMBuffer;
15300263 380 if(tmp<0x2000)
c62d2810 381 {
382 VRAMBuffer=VPage[tmp>>10][tmp];
383 }
15300263 384 else
c62d2810 385 {
386 VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF];
387 }
388
389 if (INC32) RefreshAddr+=32;
390 else RefreshAddr++;
391 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
4fdfab07 392 dprintf("r [2007] %02x",ret);
c62d2810 393 return ret;
394}
395
396static DECLFW(B2000)
397{
4fdfab07 398 /* NMI2? */
399 TryFixit1();
c62d2810 400 PPUGenLatch=V;
401 PPU[0]=V;
402 TempAddr&=0xF3FF;
403 TempAddr|=(V&3)<<10;
404}
405
406static DECLFW(B2001)
407{
4fdfab07 408 /* merged */
409 TryFixit1();
c62d2810 410 PPUGenLatch=V;
411 PPU[1]=V;
412 if(V&0xE0)
413 deemp=V>>5;
414 //printf("$%04x:$%02x, %d\n",X.PC,V,scanline);
415}
416
417static DECLFW(B2002)
418{
4fdfab07 419 /* merged */
c62d2810 420 PPUGenLatch=V;
421}
422
423static DECLFW(B2003)
424{
4fdfab07 425 /* merged */
c62d2810 426 PPUGenLatch=V;
427 PPU[3]=V;
428 PPUSPL=V&0x7;
429}
430
431static DECLFW(B2004)
432{
4fdfab07 433 /* merged */
c62d2810 434 PPUGenLatch=V;
4fdfab07 435 if(PPUSPL>=8)
c62d2810 436 {
437 if(PPU[3]>=8)
438 SPRAM[PPU[3]]=V;
439 }
440 else
441 {
442 //printf("$%02x:$%02x\n",PPUSPL,V);
443 SPRAM[PPUSPL]=V;
c62d2810 444 }
445 PPU[3]++;
4fdfab07 446 PPUSPL++;
5232c20c 447
c62d2810 448}
449
450static DECLFW(B2005)
451{
4fdfab07 452 /* merged */
c62d2810 453 uint32 tmp=TempAddr;
4fdfab07 454 TryFixit1();
c62d2810 455 PPUGenLatch=V;
456 if (!vtoggle)
457 {
458 tmp&=0xFFE0;
459 tmp|=V>>3;
460 XOffset=V&7;
461 }
462 else
463 {
464 tmp&=0x8C1F;
465 tmp|=((V&~0x7)<<2);
466 tmp|=(V&7)<<12;
467 }
468
469 TempAddr=tmp;
470 vtoggle^=1;
471}
472
473static DECLFW(B2006)
474{
4fdfab07 475 /* merged */
476 TryFixit1();
477
c62d2810 478 PPUGenLatch=V;
479 if(!vtoggle)
480 {
481 TempAddr&=0x00FF;
482 TempAddr|=(V&0x3f)<<8;
483 }
484 else
485 {
486 TempAddr&=0xFF00;
487 TempAddr|=V;
c62d2810 488
4fdfab07 489 RefreshAddr=TempAddr;
c62d2810 490 if(PPU_hook)
491 PPU_hook(RefreshAddr);
492 }
493 vtoggle^=1;
494}
495
496static DECLFW(B2007)
15300263 497{
4fdfab07 498 /* merged */
c62d2810 499 uint32 tmp=RefreshAddr&0x3FFF;
c62d2810 500 PPUGenLatch=V;
501 if(tmp>=0x3F00)
502 {
4fdfab07 503 // hmmm....
504 if(!(tmp&0xf))
505 PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f;
506 else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
c62d2810 507 }
508 else if(tmp<0x2000)
509 {
510 if(PPUCHRRAM&(1<<(tmp>>10)))
511 VPage[tmp>>10][tmp]=V;
512 }
513 else
15300263 514 {
c62d2810 515 if(PPUNTARAM&(1<<((tmp&0xF00)>>10)))
516 vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V;
517 }
518 if (INC32) RefreshAddr+=32;
519 else RefreshAddr++;
520 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
521}
522
523static DECLFW(B4014)
15300263 524{
c62d2810 525 uint32 t=V<<8;
526 int x;
4fdfab07 527
c62d2810 528 for(x=0;x<256;x++)
529 B2004(0x2004,X.DB=ARead[t+x](t+x));
530 X6502_AddCycles(512);
531}
532
5232c20c 533void BGRender(uint8 *target)
c62d2810 534{
4a1bf31b 535 uint32 tem, vofs;
536 vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
537
538 Pal[0]|=64;
539 Pal[4]|=64;
540 Pal[8]|=64;
541 Pal[0xC]|=64;
542 RefreshLine(target-XOffset, vofs);
543 Pal[0]&=63;
544 Pal[4]&=63;
545 Pal[8]&=63;
546 Pal[0xC]&=63;
547
c62d2810 548 if(!(PPU[1]&2))
549 {
9115e7d2 550 tem=Pal[0]|0x40;
551 tem|=tem<<8;
552 tem|=tem<<16;
c62d2810 553 *(uint32 *)target=*(uint32 *)(target+4)=tem;
554 }
555}
556
557#ifdef FRAMESKIP
15300263 558int FSkip_setting=-1; // auto
5232c20c 559int FSkip=0;
c62d2810 560void FCEUI_FrameSkip(int x)
561{
562 FSkip=x;
563}
564#endif
565
566/* This is called at the beginning of each visible scanline */
567static void Loop6502(void)
568{
569 uint32 tem;
570 int x;
937bf65b 571 uint8 *target=XBuf+scanline*320+32;
c62d2810 572
573 if(ScreenON || SpriteON)
574 {
575 /* PRefreshLine() will not get called on skipped frames. This
576 could cause a problem, but the solution would be rather complex,
577 due to the current sprite 0 hit code.
578 */
579 #ifdef FRAMESKIP
580 if(!FSkip)
581 {
582 #endif
583 if(ScreenON)
584 {
585 if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine)
586 BGRender(target);
587 else
588 {
589 if(PPU_hook)
590 PRefreshLine();
591 }
592 }
593 else
594 {
595 tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24);
596 tem|=0x40404040;
597 FCEU_dwmemset(target,tem,264);
598 }
599 #ifdef FRAMESKIP
600 }
601 #endif
602 if (SpriteON && scanline)
603 RefreshSprite(target);
604 #ifdef FRAMESKIP
605 if(!FSkip)
606 {
607 #endif
608 if(PPU[1]&0x01)
15300263 609 {
c62d2810 610 for(x=63;x>=0;x--)
937bf65b 611 ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0;
c62d2810 612 }
613 if((PPU[1]>>5)==0x7)
614 for(x=63;x>=0;x--)
937bf65b 615 ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040;
c62d2810 616 else if(PPU[1]&0xE0)
617 for(x=63;x>=0;x--)
937bf65b 618 ((uint32 *)target)[x]=((uint32*)target)[x]|0xC0C0C0C0;
c62d2810 619 else
620 for(x=63;x>=0;x--)
937bf65b 621 ((uint32 *)target)[x]=((uint32*)target)[x]&0x3f3f3f3f;
622 FCEU_dwmemset(target- 8,0x3f3f3f3f,8);
623 FCEU_dwmemset(target+256,0x3f3f3f3f,8);
c62d2810 624 #ifdef FRAMESKIP
625 }
626 #endif
627 }
628 else
629 {
630 tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24);
631 FCEU_dwmemset(target,tem,256);
15300263 632 }
c62d2810 633 if(InputScanlineHook)
634 InputScanlineHook(target, scanline);
635}
636
637#define PAL(c) ((c)+cc)
638
639
640static void PRefreshLine(void)
641{
642 uint32 vofs;
643 uint8 X1;
644
645 vofs = 0;
646 if (BGAdrHI) vofs = 0x1000;
647
648 vofs+=(RefreshAddr>>12)&7;
649
650 for(X1=33;X1;X1--)
651 {
652 register uint8 no;
653 register uint8 zz2;
654 zz2=(uint8)((RefreshAddr>>10)&3);
655 PPU_hook(0x2000|(RefreshAddr&0xFFF));
656 no = vnapage[zz2][(RefreshAddr&0x3ff)];
657 PPU_hook((no<<4)+vofs);
658 if((RefreshAddr&0x1f)==0x1f)
659 RefreshAddr^=0x41F;
660 else
661 RefreshAddr++;
662 }
663}
664
4a1bf31b 665/* This high-level graphics MMC5 emulation code was written
666 for MMC5 carts in "CL" mode. It's probably not totally
667 correct for carts in "SL" mode.
668 */
669static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs)
c62d2810 670{
4a1bf31b 671 int8 tochange, X1;
c62d2810 672
673 tochange=MMC5HackSPMode&0x1F;
674
675 for(X1=33;X1;X1--,P+=8)
676 {
677 uint8 *C;
5232c20c 678 uint8 cc,zz,zz2;
c62d2810 679 uint32 vadr;
680
15300263 681 if((tochange<=0 && MMC5HackSPMode&0x40) ||
c62d2810 682 (tochange>0 && !(MMC5HackSPMode&0x40)))
683 {
684 uint8 xs,ys;
685
15300263 686 xs=33-X1;
c62d2810 687 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
688 if(ys>=0x1E) ys-=0x1E;
689 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
690
691 C = MMC5HackVROMPTR+vadr;
692 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
693
694 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
695 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
696 }
697 else
698 {
699 zz=RefreshAddr&0x1F;
700 zz2=(RefreshAddr>>10)&3;
701 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
702 C = MMC5BGVRAMADR(vadr);
703 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
704 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
705 }
706 #include "fceline.h"
707
708 if((RefreshAddr&0x1f)==0x1f)
709 RefreshAddr^=0x41F;
710 else
711 RefreshAddr++;
712 tochange--;
713 }
4a1bf31b 714}
715
716static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs)
717{
718 int8 tochange, X1;
c62d2810 719
720 tochange=MMC5HackSPMode&0x1F;
721
722 for(X1=33;X1;X1--,P+=8)
723 {
724 uint8 *C;
5232c20c 725 uint8 cc;
726 uint8 zz2;
c62d2810 727 uint32 vadr;
728
729 if((tochange<=0 && MMC5HackSPMode&0x40) ||
730 (tochange>0 && !(MMC5HackSPMode&0x40)))
731 {
732 uint8 xs,ys;
733
15300263 734 xs=33-X1;
c62d2810 735 ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
736 if(ys>=0x1E) ys-=0x1E;
737 vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
738
739 C = MMC5HackVROMPTR+vadr;
740 C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
741
742 cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
743 cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
744 }
745 else
746 {
747 C=MMC5HackVROMPTR;
748 zz2=(RefreshAddr>>10)&3;
749 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
750 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
751 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
752 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
753 cc = vadr;
754 }
755 #include "fceline.h"
756 if((RefreshAddr&0x1f)==0x1f)
757 RefreshAddr^=0x41F;
758 else
759 RefreshAddr++;
760 tochange--;
761 }
4a1bf31b 762}
763
764static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs)
765{
766 int8 X1;
c62d2810 767
c62d2810 768 for(X1=33;X1;X1--,P+=8)
769 {
15300263 770 uint8 *C;
5232c20c 771 uint8 cc;
772 uint8 zz2;
15300263 773 uint32 vadr;
c62d2810 774
775 C=MMC5HackVROMPTR;
776 zz2=(RefreshAddr>>10)&3;
777 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
15300263 778 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
c62d2810 779 MMC5HackVROMMask) << 12) + (vadr & 0xfff);
780 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
781 cc = vadr;
782
783 #include "fceline.h"
784 if((RefreshAddr&0x1f)==0x1f)
785 RefreshAddr^=0x41F;
786 else
787 RefreshAddr++;
788 }
4a1bf31b 789}
790
791static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs)
792{
793 int8 X1;
794
c62d2810 795 for(X1=33;X1;X1--,P+=8)
796 {
797 uint8 *C;
5232c20c 798 uint8 cc,zz,zz2;
c62d2810 799 uint32 vadr;
800
801 zz=RefreshAddr&0x1F;
802 zz2=(RefreshAddr>>10)&3;
803 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
804 C = MMC5BGVRAMADR(vadr);
805 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
806 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
807
808 #include "fceline.h"
15300263 809
c62d2810 810 if((RefreshAddr&0x1f)==0x1f)
811 RefreshAddr^=0x41F;
812 else
813 RefreshAddr++;
15300263 814 }
4a1bf31b 815}
816
817static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs)
818{
819 int8 X1;
c62d2810 820
c62d2810 821 for(X1=33;X1;X1--,P+=8)
822 {
15300263 823 uint8 *C;
5232c20c 824 uint8 cc,zz,zz2;
15300263 825 uint32 vadr;
c62d2810 826
827 zz=RefreshAddr&0x1F;
828 zz2=(RefreshAddr>>10)&3;
829 PPU_hook(0x2000|(RefreshAddr&0xFFF));
830 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
831 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
832 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
833 C = VRAMADR(vadr);
834
835 #include "fceline.h"
836
837 PPU_hook(vadr);
838
839 if((RefreshAddr&0x1f)==0x1f)
840 RefreshAddr^=0x41F;
841 else
842 RefreshAddr++;
843 }
4a1bf31b 844}
845
9115e7d2 846static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
4a1bf31b 847{
848 int8 X1;
9115e7d2 849 uint32 rfraddr = RefreshAddr;
850 uint8 *page = vnapage[(rfraddr>>10)&3];
851 uint32 cc2=0;
4a1bf31b 852
9115e7d2 853 if ((rfraddr&0xc)!=0)
854 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
855
856 for (X1=33;X1;X1--,P+=8)
c62d2810 857 {
9115e7d2 858 uint8 cc,*C;
c62d2810 859 uint32 vadr;
860
9115e7d2 861 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
c62d2810 862 C = VRAMADR(vadr);
9115e7d2 863 if ((rfraddr&0xc)==0)
864 cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
865 cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2;
4a1bf31b 866
9115e7d2 867 #include "fceline.h"
15300263 868
9115e7d2 869 if((rfraddr&0x1f)==0x1f) {
870 rfraddr^=0x41F;
871 page = vnapage[(rfraddr>>10)&3];
872 } else
873 rfraddr++;
c62d2810 874 }
9115e7d2 875 RefreshAddr = rfraddr;
4a1bf31b 876}
c62d2810 877
4a1bf31b 878static void SetRefreshLine(void)
879{
880 if(MMC5Hack && geniestage!=1)
881 {
882 if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80))
883 {
884 if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n");
885 RefreshLine = RefreshLine_MMC5Hack1;
886 }
887 else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80))
888 {
889 if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n");
890 RefreshLine = RefreshLine_MMC5Hack2;
891 }
892 else if(MMC5HackCHRMode==1)
893 {
894 if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n");
895 RefreshLine = RefreshLine_MMC5Hack3;
896 }
897 else
898 {
899 if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n");
900 RefreshLine = RefreshLine_MMC5Hack4;
901 }
902 } // End if(MMC5Hack)
903 else if(PPU_hook)
904 {
905 if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n");
906 RefreshLine = RefreshLine_PPU_hook;
907 }
908 else
909 {
910 if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n");
911 RefreshLine = RefreshLine_normal;
912 }
c62d2810 913}
914
4fdfab07 915static INLINE
937bf65b 916void Fixit2(void)
c62d2810 917{
918 if(ScreenON || SpriteON)
919 {
920 uint32 rad=RefreshAddr;
921 rad&=0xFBE0;
922 rad|=TempAddr&0x041f;
923 RefreshAddr=rad;
924 //PPU_hook(RefreshAddr,-1);
925 }
926}
927
4fdfab07 928static INLINE
937bf65b 929void Fixit1(void)
c62d2810 930{
931 if(ScreenON || SpriteON)
932 {
933 uint32 rad=RefreshAddr;
934
935 if((rad&0x7000)==0x7000)
936 {
937 rad^=0x7000;
938 if((rad&0x3E0)==0x3A0)
939 {
940 rad^=0x3A0;
941 rad^=0x800;
942 }
943 else
944 {
945 if((rad&0x3E0)==0x3e0)
946 rad^=0x3e0;
947 else rad+=0x20;
948 }
949 }
950 else
951 rad+=0x1000;
952 RefreshAddr=rad;
953 //PPU_hook(RefreshAddr,-1);
954 }
955}
956
937bf65b 957
c62d2810 958/* This is called at the beginning of all h-blanks on visible lines. */
959static void DoHBlank(void)
960{
961 if(ScreenON || SpriteON)
962 FetchSpriteData();
ea80a45b 963 if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
c62d2810 964 {
4fdfab07 965 X6502_Run(6);
c62d2810 966 Fixit2();
4fdfab07 967 X6502_Run(4);
968 GameHBIRQHook();
969 X6502_Run(85-16-10);
c62d2810 970 }
971 else
972 {
4fdfab07 973 X6502_Run(6); // Tried 65, caused problems with Slalom(maybe others)
c62d2810 974 Fixit2();
4fdfab07 975 X6502_Run(85-6-16);
c62d2810 976 }
d97315ac 977 if(GameHBIRQHook2 && (ScreenON || SpriteON))
978 GameHBIRQHook2();
c62d2810 979 //PPU_hook(0,-1);
980 //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr);
4fdfab07 981 scanline++;
ea80a45b 982 if (scanline<240)
983 ResetRL();
4fdfab07 984 X6502_Run(16);
c62d2810 985}
c62d2810 986
c62d2810 987
5232c20c 988// ============================//
989// end of new code
990// ===========================//
c62d2810 991
992void ResetMapping(void)
993{
994 int x;
995
996 SetReadHandler(0x0000,0xFFFF,ANull);
997 SetWriteHandler(0x0000,0xFFFF,BNull);
998
999 SetReadHandler(0,0x7FF,ARAML);
1000 SetWriteHandler(0,0x7FF,BRAML);
1001
1002 SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */
1003 SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
1004
1005 for(x=0x2000;x<0x4000;x+=8)
1006 {
1007 ARead[x]=A200x;
1008 BWrite[x]=B2000;
1009 ARead[x+1]=A200x;
1010 BWrite[x+1]=B2001;
1011 ARead[x+2]=A2002;
1012 BWrite[x+2]=B2002;
1013 ARead[x+3]=A200x;
1014 BWrite[x+3]=B2003;
1015 ARead[x+4]=A200x;
1016 BWrite[x+4]=B2004;
1017 ARead[x+5]=A200x;
1018 BWrite[x+5]=B2005;
1019 ARead[x+6]=A200x;
1020 BWrite[x+6]=B2006;
1021 ARead[x+7]=A2007;
1022 BWrite[x+7]=B2007;
1023 }
1024
1025 BWrite[0x4014]=B4014;
1026 SetNESSoundMap();
1027 InitializeInput();
1028}
1029
1030int GameLoaded=0;
1031void CloseGame(void)
1032{
1033 if(GameLoaded)
1034 {
1035 if(FCEUGameInfo.type!=GIT_NSF)
92764e62 1036 FCEU_FlushGameCheats(0,0);
c62d2810 1037 #ifdef NETWORK
1038 if(FSettings.NetworkPlay) KillNetplay();
15300263 1039 #endif
c62d2810 1040 GameInterface(GI_CLOSE);
1041 CloseGenie();
1042 GameLoaded=0;
1043 }
1044}
1045
1046void ResetGameLoaded(void)
1047{
1048 if(GameLoaded) CloseGame();
1049 GameStateRestore=0;
1050 PPU_hook=0;
d97315ac 1051 GameHBIRQHook=GameHBIRQHook2=0;
c62d2810 1052 GameExpSound.Fill=0;
1053 GameExpSound.RChange=0;
1054 if(GameExpSound.Kill)
1055 GameExpSound.Kill();
1056 GameExpSound.Kill=0;
1057 MapIRQHook=0;
1058 MMC5Hack=0;
1059 PAL&=1;
1060 pale=0;
1061
1062 FCEUGameInfo.name=0;
1063 FCEUGameInfo.type=GIT_CART;
1064 FCEUGameInfo.vidsys=GIV_USER;
1065 FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1;
1066 FCEUGameInfo.inputfc=-1;
1067}
1068
5a2aa426 1069char lastLoadedGameName [2048];
d97315ac 1070int UNIFLoad(const char *name, int fp);
1071int iNESLoad(const char *name, int fp);
1072int FDSLoad(const char *name, int fp);
1073int NSFLoad(int fp);
5a2aa426 1074
c62d2810 1075FCEUGI *FCEUI_LoadGame(char *name)
1076{
5a2aa426 1077 char name2[512];
1078 int have_movie = 0;
c62d2810 1079 int fp;
1080
1081 Exit=1;
1082 ResetGameLoaded();
1083
5a2aa426 1084 strncpy(name2, name, sizeof(name2));
1085 name2[sizeof(name2)-1] = 0;
1086
1087 fp=FCEU_fopen(name2,"rb");
c62d2810 1088 if(!fp)
1089 {
1090 FCEU_PrintError("Error opening \"%s\"!",name);
1091 return 0;
1092 }
1093
5a2aa426 1094 {
1095 char *p = name2 + strlen(name2) - 4;
1096 if (strcmp(p, ".fcm") == 0)
1097 {
1098 // movie detected
1099 printf("movie detected\n");
1100 FCEU_fclose(fp);
1101 *p = 0;
1102 fp=FCEU_fopen(name2,"rb");
1103 if (!fp) {
1104 printf("no ROM for movie\n");
1105 return 0;
1106 }
1107 have_movie = 1;
1108 }
1109 }
1110
1111 strcpy(lastLoadedGameName, name2);
1112
1113 GetFileBase(name2);
1114 if(iNESLoad(name2,fp))
c62d2810 1115 goto endlseq;
1116 if(NSFLoad(fp))
1117 goto endlseq;
5a2aa426 1118 if(FDSLoad(name2,fp))
c62d2810 1119 goto endlseq;
5a2aa426 1120 if(UNIFLoad(name2,fp))
c62d2810 1121 goto endlseq;
1122
1123 FCEU_PrintError("An error occurred while loading the file.");
1124 FCEU_fclose(fp);
1125 return 0;
1126
1127 endlseq:
1128 FCEU_fclose(fp);
15300263 1129 GameLoaded=1;
c62d2810 1130
1131 FCEU_ResetVidSys();
1132 if(FCEUGameInfo.type!=GIT_NSF)
1133 if(FSettings.GameGenie)
1134 OpenGenie();
1135
1136 PowerNES();
1137 #ifdef NETWORK
1138 if(FSettings.NetworkPlay) InitNetplay();
1139 #endif
1140 SaveStateRefresh();
1141 if(FCEUGameInfo.type!=GIT_NSF)
1142 {
92764e62 1143 FCEU_LoadGamePalette();
1144 FCEU_LoadGameCheats(0);
c62d2810 1145 }
15300263 1146
c62d2810 1147 FCEU_ResetPalette();
1148 Exit=0;
5a2aa426 1149
1150 if (have_movie)
1151 FCEUI_LoadMovie(name, 1);
c62d2810 1152 return(&FCEUGameInfo);
1153}
1154
1155
1156void FCEU_ResetVidSys(void)
1157{
1158 int w;
1159
1160 if(FCEUGameInfo.vidsys==GIV_NTSC)
1161 w=0;
1162 else if(FCEUGameInfo.vidsys==GIV_PAL)
1163 w=1;
1164 else
1165 w=FSettings.PAL;
1166
1167 if(w)
1168 {
1169 PAL=1;
c62d2810 1170 FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
1171 FSettings.LastSLine=FSettings.UsrLastSLine[1];
1172 }
1173 else
1174 {
1175 PAL=0;
c62d2810 1176 FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
1177 FSettings.LastSLine=FSettings.UsrLastSLine[0];
1178 }
15300263 1179 printf("PAL = %i\n", PAL);
c62d2810 1180 SetSoundVariables();
1181}
1182
1183int FCEUI_Initialize(void)
1184{
1185 if(!InitVirtualVideo())
1186 return 0;
1187 memset(&FSettings,0,sizeof(FSettings));
1188 FSettings.UsrFirstSLine[0]=8;
1189 FSettings.UsrFirstSLine[1]=0;
1190 FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239;
92764e62 1191 FSettings.SoundVolume=100;
c62d2810 1192 return 1;
1193}
1194
ea80a45b 1195void MMC5_hb(int); /* Ugh ugh ugh. */
c62d2810 1196static INLINE void Thingo(void)
1197{
1198 Loop6502();
1199
ea80a45b 1200 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1201
4fdfab07 1202 // check: Battletoads & Double Dragon
c62d2810 1203 if(tosprite>=256)
15300263 1204 {
4fdfab07 1205 X6502_Run(256);
c62d2810 1206 }
1207 else
1208 {
4fdfab07 1209 // sky glitches in SMB1 if done wrong
c62d2810 1210 X6502_Run(tosprite);
1211 PPU[2]|=0x40;
c62d2810 1212 X6502_Run(256-tosprite);
4fdfab07 1213 tosprite = 256;
c62d2810 1214 }
4fdfab07 1215 TryFixit1();
c62d2810 1216 DoHBlank();
1217}
c62d2810 1218
1219void EmLoop(void)
1220{
1221 for(;;)
1222 {
ea80a45b 1223 int x;
92e249b1 1224 uint32 scanlines_per_frame = PAL ? 312 : 262;
4fdfab07 1225 UpdateInput();
92764e62 1226 FCEU_ApplyPeriodicCheats();
4fdfab07 1227
1228 // FCEUPPU_Loop:
1229 if(ppudead) /* Needed for Knight Rider, possibly others. */
1230 {
ea80a45b 1231 memset(XBuf, 0x80, 320*240);
4fdfab07 1232 X6502_Run(scanlines_per_frame*(256+85));
1233 ppudead--;
1234 goto update;
1235 }
ea80a45b 1236
c62d2810 1237 X6502_Run(256+85);
1238
1239 PPU[2]|=0x80;
1240 PPU[3]=PPUSPL=0; /* Not sure if this is correct. According
1241 to Matt Conte and my own tests, it is. Timing is probably
1242 off, though. NOTE: Not having this here
1243 breaks a Super Donkey Kong game. */
1244
1245 X6502_Run(12); /* I need to figure out the true nature and length
15300263 1246 of this delay.
c62d2810 1247 */
1248 if(FCEUGameInfo.type==GIT_NSF)
ea80a45b 1249 DoNSFFrame();
c62d2810 1250 else if(VBlankON)
1251 TriggerNMI();
1252
655f8df0 1253 // Note: this is needed for asm core
1254 // Warning: using 'scanline' var here breaks Castlevania III
1255 {
1256 int lines;
1257 X6502_Run(256+85-12);
1258 for (lines=scanlines_per_frame-242-1;lines;lines--)
1259 X6502_Run(256+85);
1260 }
1261 // X6502_Run((scanlines_per_frame-242)*(256+85)-12);
c62d2810 1262 PPU_status&=0x1f;
c62d2810 1263 X6502_Run(256);
ea80a45b 1264
c62d2810 1265 {
c62d2810 1266 if(ScreenON || SpriteON)
d97315ac 1267 {
c62d2810 1268 if(GameHBIRQHook)
1269 GameHBIRQHook();
ea80a45b 1270 if(PPU_hook)
1271 for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
d97315ac 1272 if(GameHBIRQHook2)
1273 GameHBIRQHook2();
1274 }
c62d2810 1275
4fdfab07 1276 X6502_Run(85-16);
c62d2810 1277
4fdfab07 1278 if(ScreenON || SpriteON)
1279 {
1280 RefreshAddr=TempAddr;
1281 if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
1282 }
1283 ResetRL();
1284
1285 X6502_Run(16-kook);
1286 kook ^= 1;
c62d2810 1287 }
4fdfab07 1288
c62d2810 1289 if(FCEUGameInfo.type==GIT_NSF)
937bf65b 1290 {
c62d2810 1291 X6502_Run((256+85)*240);
937bf65b 1292 }
ea80a45b 1293 #ifdef FRAMESKIP
1294 else if(FSkip)
1295 {
1296 int y;
1297
1298 y=SPRAM[0];
1299 y++;
1300
1301 PPU_status|=0x20; // Fixes "Bee 52". Does it break anything?
1302 if(GameHBIRQHook)
1303 {
1304 X6502_Run(256);
1305 for(scanline=0;scanline<240;scanline++)
1306 {
1307 if(ScreenON || SpriteON)
1308 GameHBIRQHook();
1309 if(scanline==y && SpriteON) PPU_status|=0x40;
1310 X6502_Run((scanline==239)?85:(256+85));
1311 ResetRL(); // ??
1312 }
1313 }
1314 else if(y<240)
1315 {
1316 X6502_Run((256+85)*y);
1317 if(SpriteON) PPU_status|=0x40; // Quick and very dirty hack.
1318 X6502_Run((256+85)*(240-y));
1319 }
1320 else
1321 X6502_Run((256+85)*240);
1322 }
1323 #endif
c62d2810 1324 else
1325 {
1326 int x,max,maxref;
1327
1328 deemp=PPU[1]>>5;
4a1bf31b 1329 SetRefreshLine();
4fdfab07 1330 for(scanline=0;scanline<240;) // scanline is incremented in DoLine. Evil. :/
c62d2810 1331 {
1332 deempcnt[deemp]++;
1333 Thingo();
1334 }
ea80a45b 1335 if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
c62d2810 1336 for(x=1,max=0,maxref=0;x<7;x++)
1337 {
1338 if(deempcnt[x]>max)
1339 {
1340 max=deempcnt[x];
1341 maxref=x;
1342 }
1343 deempcnt[x]=0;
1344 }
c62d2810 1345 SetNESDeemph(maxref,0);
1346 }
1347
4fdfab07 1348update:
c62d2810 1349 {
1350 int ssize;
1351
1352 ssize=FlushEmulateSound();
1353
4fdfab07 1354 timestampbase += timestamp;
1355 timestamp = 0;
1356
c62d2810 1357 #ifdef FRAMESKIP
1358 if(FSkip)
1359 {
1360 FCEU_PutImageDummy();
1361 FSkip--;
5232c20c 1362 FCEUD_Update(0,WaveFinalMono,ssize);
c62d2810 1363 }
1364 else
1365 #endif
1366 {
1367 FCEU_PutImage();
5232c20c 1368 FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
c62d2810 1369 }
c62d2810 1370 }
1371
1372 if(Exit)
1373 {
1374 CloseGame();
1375 break;
1376 }
1377
4fdfab07 1378 } // for
c62d2810 1379}
1380
1381#ifdef FPS
1382#include <sys/time.h>
1383uint64 frcount;
1384#endif
1385void FCEUI_Emulate(void)
1386{
1387 #ifdef FPS
1388 uint64 starttime,end;
1389 struct timeval tv;
1390 frcount=0;
1391 gettimeofday(&tv,0);
1392 starttime=((uint64)tv.tv_sec*1000000)+tv.tv_usec;
1393 #endif
1394 EmLoop();
1395
1396 #ifdef FPS
1397 // Probably won't work well on Windows port; for
1398 // debugging/speed testing.
1399 {
1400 uint64 w;
1401 int i,frac;
1402 gettimeofday(&tv,0);
1403 end=((uint64)tv.tv_sec*1000000)+tv.tv_usec;
1404 w=frcount*10000000000LL/(end-starttime);
1405 i=w/10000;
1406 frac=w-i*10000;
1407 printf("Average FPS: %d.%04d\n",i,frac);
1408 }
1409 #endif
1410
1411}
1412
1413void FCEUI_CloseGame(void)
1414{
1415 Exit=1;
1416}
1417
1418static void ResetPPU(void)
1419{
1420 VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0;
1421 PPUSPL=0;
1422 PPUGenLatch=0;
1423 RefreshAddr=TempAddr=0;
1424 vtoggle = 0;
4fdfab07 1425 ppudead = 2;
1426 kook = 0;
c62d2810 1427}
1428
1429static void PowerPPU(void)
1430{
1431 memset(NTARAM,0x00,0x800);
1432 memset(PALRAM,0x00,0x20);
1433 memset(SPRAM,0x00,0x100);
1434 ResetPPU();
1435}
1436
1437void ResetNES(void)
1438{
92764e62 1439 if(!GameLoaded) return;
c62d2810 1440 GameInterface(GI_RESETM2);
1441 ResetSound();
1442 ResetPPU();
1443 X6502_Reset();
1444}
1445
15300263 1446void PowerNES(void)
c62d2810 1447{
1448 if(!GameLoaded) return;
1449
1450 FCEU_CheatResetRAM();
1451 FCEU_CheatAddRAM(2,0,RAM);
1452
1453 GeniePower();
1454
1455 memset(RAM,0x00,0x800);
1456 ResetMapping();
1457 GameInterface(GI_POWER);
1458 PowerSound();
1459 PowerPPU();
1460 timestampbase=0;
1461 X6502_Power();
1462}
1463
890e37ba 1464
1465/* savestate stuff */
1466uint16 TempAddrT,RefreshAddrT;
1467
1468SFORMAT FCEUPPU_STATEINFO[]={
1469 { NTARAM, 0x800, "NTAR"},
1470 { PALRAM, 0x20, "PRAM"},
1471 { SPRAM, 0x100, "SPRA"},
1472 { PPU, 0x4, "PPUR"},
1473 { &XOffset, 1, "XOFF"},
1474 { &vtoggle, 1, "VTOG"},
1475 { &RefreshAddrT, 2|RLSB, "RADD"},
1476 { &TempAddrT, 2|RLSB, "TADD"},
1477 { &VRAMBuffer, 1, "VBUF"},
1478 { &PPUGenLatch, 1, "PGEN"},
1479 // from 0.98.15
1480 { &kook, 1, "KOOK"},
1481 { &ppudead, 1, "DEAD"},
1482 { &PPUSPL, 1, "PSPL"},
1483 { 0 }
1484 };
1485
1486
ARM optimized FCE Ultra port