fce.c

   1 /* FCE Ultra - NES/Famicom Emulator
   2  *
   3  * Copyright notice for this file:
   4  *  Copyright (C) 1998 BERO
   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"
  49 #include        "ppu.h"
  50
  51 #include        "palette.h"
  52 #include        "movie.h"
  53
  54 #include        "dprintf.h"
  55
  56 #define Pal     (PALRAM)
  57
  58
  59 static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL;
  60 static void PRefreshLine(void);
  61
  62 static void ResetPPU(void);
  63 static void PowerPPU(void);
  64
  65 uint64 timestampbase=0;
  66
  67 static int ppudead=1;
  68 static int kook=0;
  69
  70 int MMC5Hack;
  71 uint32 MMC5HackVROMMask;
  72 uint8 *MMC5HackExNTARAMPtr;
  73 uint8 *MMC5HackVROMPTR;
  74 uint8 MMC5HackCHRMode=0;
  75 uint8 MMC5HackSPMode;
  76 uint8 MMC5HackSPScroll;
  77 uint8 MMC5HackSPPage;
  78
  79 uint8 *MMC5SPRVPage[8];
  80 uint8 *MMC5BGVPage[8];
  81
  82
  83 uint8 VRAMBuffer,PPUGenLatch;
  84
  85 uint8 *vnapage[4];
  86 uint8 PPUNTARAM;
  87 uint8 PPUCHRRAM;
  88
  89 /* Color deemphasis emulation.  Joy... */
  90 static uint8 deemp=0;
  91 static int deempcnt[8];
  92
  93 int tosprite=256;
  94
  95 FCEUGI FCEUGameInfo;
  96 void (*GameInterface)(int h);
  97
  98 void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
  99
 100 void (*GameStateRestore)(int version);
 101 void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void);
 102
 103 readfunc ARead[0x10000];
 104 writefunc BWrite[0x10000];
 105 static readfunc *AReadG;
 106 static writefunc *BWriteG;
 107 static int RWWrap=0;
 108
 109 #ifdef ASM_6502
 110 static void asmcpu_update(int32 cycles)
 111 {
 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
 136 void 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;
 143         X6502_Rebase_a();
 144         nes_registers[4] = X.S << 24;
 145         nes_registers[4]|= X.IRQlow << 8;
 146         nes_registers[7] = (uint32)X.count << 16;
 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
 154 void 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;
 162         X.count = (int32) nes_registers[7] >> 16;
 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
 171 DECLFW(BNull)
 172 {
 173
 174 }
 175
 176 DECLFR(ANull)
 177 {
 178  return(X.DB);
 179 }
 180
 181 int 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
 191 void 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
 210 readfunc FASTAPASS(1) GetReadHandler(int32 a)
 211 {
 212   if(a>=0x8000 && RWWrap)
 213    return AReadG[a-0x8000];
 214   else
 215    return ARead[a];
 216 }
 217
 218 void 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
 239 writefunc FASTAPASS(1) GetWriteHandler(int32 a)
 240 {
 241   if(RWWrap && a>=0x8000)
 242    return BWriteG[a-0x8000];
 243   else
 244    return BWrite[a];
 245 }
 246
 247 void 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
 267 uint8 vtoggle=0;
 268 uint8 XOffset=0;
 269
 270 uint32 TempAddr,RefreshAddr;
 271
 272
 273 /* scanline is equal to the current visible scanline we're on. */
 274
 275 int scanline;
 276
 277 uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
 278 uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
 279 uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
 280 #if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
 281 uint8 RAM[0x800] __attribute__ ((aligned (4)));
 282 #endif
 283
 284 uint8 PPU[4];
 285 uint8 PPUSPL;
 286
 287 uint8 PAL=0;
 288
 289
 290 #define MMC5BGVRAMADR(V)      &MMC5BGVPage[(V)>>10][(V)]
 291 #define VRAMADR(V)      &VPage[(V)>>10][(V)]
 292
 293 static int linestartts;
 294 static int tofix=0;
 295
 296 static void ResetRL(void)
 297 {
 298  linestartts=timestamp*48+X6502_GetCycleCount();
 299  tofix=1;
 300 }
 301
 302 static INLINE void Fixit1(void);
 303
 304 static 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
 325 static DECLFW(BRAML)
 326 {
 327         RAM[A]=V;
 328 }
 329
 330 static DECLFW(BRAMH)
 331 {
 332         RAM[A&0x7FF]=V;
 333 }
 334
 335 static DECLFR(ARAML)
 336 {
 337         return RAM[A];
 338 }
 339
 340 static DECLFR(ARAMH)
 341 {
 342         return RAM[A&0x7FF];
 343 }
 344
 345
 346 static DECLFR(A2002)
 347 {
 348         /* merged */
 349                         uint8 ret;
 350
 351                         TryFixit1();
 352                         ret = PPU_status;
 353                         ret|=PPUGenLatch&0x1F;
 354                         vtoggle=0;
 355                         PPU_status&=0x7F;
 356                          PPUGenLatch=ret;
 357                         //dprintf("r [2002] %02x",ret);
 358                         return ret;
 359 }
 360
 361 static DECLFR(A200x)
 362 {
 363         /* merged */
 364                         TryFixit1();
 365                         return PPUGenLatch;
 366 }
 367
 368 static DECLFR(A2007)
 369 {
 370         /* merged */
 371                         uint8 ret;
 372                         uint32 tmp=RefreshAddr&0x3FFF;
 373
 374                         TryFixit1();
 375
 376                         ret=VRAMBuffer;
 377
 378                         if(PPU_hook) PPU_hook(tmp);
 379                         PPUGenLatch=VRAMBuffer;
 380                         if(tmp<0x2000)
 381                         {
 382                          VRAMBuffer=VPage[tmp>>10][tmp];
 383                         }
 384                         else
 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);
 392                         dprintf("r [2007] %02x",ret);
 393                         return ret;
 394 }
 395
 396 static DECLFW(B2000)
 397 {
 398         /* NMI2? */
 399                 TryFixit1();
 400                 PPUGenLatch=V;
 401                 PPU[0]=V;
 402                 TempAddr&=0xF3FF;
 403                 TempAddr|=(V&3)<<10;
 404 }
 405
 406 static DECLFW(B2001)
 407 {
 408         /* merged */
 409                   TryFixit1();
 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
 417 static DECLFW(B2002)
 418 {
 419         /* merged */
 420                  PPUGenLatch=V;
 421 }
 422
 423 static DECLFW(B2003)
 424 {
 425         /* merged */
 426                 PPUGenLatch=V;
 427                 PPU[3]=V;
 428                 PPUSPL=V&0x7;
 429 }
 430
 431 static DECLFW(B2004)
 432 {
 433         /* merged */
 434                 PPUGenLatch=V;
 435                 if(PPUSPL>=8)
 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;
 444                 }
 445                 PPU[3]++;
 446                 PPUSPL++;
 447
 448 }
 449
 450 static DECLFW(B2005)
 451 {
 452         /* merged */
 453                 uint32 tmp=TempAddr;
 454                 TryFixit1();
 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
 473 static DECLFW(B2006)
 474 {
 475         /* merged */
 476                        TryFixit1();
 477
 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;
 488
 489                         RefreshAddr=TempAddr;
 490                         if(PPU_hook)
 491                          PPU_hook(RefreshAddr);
 492                        }
 493                       vtoggle^=1;
 494 }
 495
 496 static DECLFW(B2007)
 497 {
 498         /* merged */
 499                         uint32 tmp=RefreshAddr&0x3FFF;
 500                         PPUGenLatch=V;
 501                         if(tmp>=0x3F00)
 502                         {
 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;
 507                         }
 508                         else if(tmp<0x2000)
 509                         {
 510                           if(PPUCHRRAM&(1<<(tmp>>10)))
 511                             VPage[tmp>>10][tmp]=V;
 512                         }
 513                         else
 514                         {
 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
 523 static DECLFW(B4014)
 524 {
 525         uint32 t=V<<8;
 526         int x;
 527
 528         for(x=0;x<256;x++)
 529          B2004(0x2004,X.DB=ARead[t+x](t+x));
 530         X6502_AddCycles(512);
 531 }
 532
 533 void BGRender(uint8 *target)
 534 {
 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
 548         if(!(PPU[1]&2))
 549         {
 550          tem=Pal[0]|0x40;
 551          tem|=tem<<8;
 552          tem|=tem<<16;
 553          *(uint32 *)target=*(uint32 *)(target+4)=tem;
 554         }
 555 }
 556
 557 #ifdef FRAMESKIP
 558 int FSkip_setting=-1; // auto
 559 int FSkip=0;
 560 void FCEUI_FrameSkip(int x)
 561 {
 562  FSkip=x;
 563 }
 564 #endif
 565
 566 /*      This is called at the beginning of each visible scanline */
 567 static void Loop6502(void)
 568 {
 569         uint32 tem;
 570         int x;
 571         uint8 *target=XBuf+scanline*320+32;
 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)
 609           {
 610            for(x=63;x>=0;x--)
 611             ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0;
 612           }
 613            if((PPU[1]>>5)==0x7)
 614             for(x=63;x>=0;x--)
 615              ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040;
 616            else if(PPU[1]&0xE0)
 617             for(x=63;x>=0;x--)
 618              ((uint32 *)target)[x]=((uint32*)target)[x]|0xC0C0C0C0;
 619            else
 620             for(x=63;x>=0;x--)
 621              ((uint32 *)target)[x]=((uint32*)target)[x]&0x3f3f3f3f;
 622           FCEU_dwmemset(target-  8,0x3f3f3f3f,8);
 623           FCEU_dwmemset(target+256,0x3f3f3f3f,8);
 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);
 632         }
 633         if(InputScanlineHook)
 634          InputScanlineHook(target, scanline);
 635 }
 636
 637 #define PAL(c)  ((c)+cc)
 638
 639
 640 static 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
 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    */
 669 static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs)
 670 {
 671           int8 tochange, X1;
 672
 673           tochange=MMC5HackSPMode&0x1F;
 674
 675           for(X1=33;X1;X1--,P+=8)
 676           {
 677                 uint8 *C;
 678                 uint8 cc,zz,zz2;
 679                 uint32 vadr;
 680
 681                 if((tochange<=0 && MMC5HackSPMode&0x40) ||
 682                    (tochange>0 && !(MMC5HackSPMode&0x40)))
 683                 {
 684                  uint8 xs,ys;
 685
 686                  xs=33-X1;
 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           }
 714 }
 715
 716 static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs)
 717 {
 718           int8 tochange, X1;
 719
 720           tochange=MMC5HackSPMode&0x1F;
 721
 722           for(X1=33;X1;X1--,P+=8)
 723           {
 724                 uint8 *C;
 725                 uint8 cc;
 726                 uint8 zz2;
 727                 uint32 vadr;
 728
 729                 if((tochange<=0 && MMC5HackSPMode&0x40) ||
 730                    (tochange>0 && !(MMC5HackSPMode&0x40)))
 731                 {
 732                  uint8 xs,ys;
 733
 734                  xs=33-X1;
 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           }
 762 }
 763
 764 static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs)
 765 {
 766           int8 X1;
 767
 768           for(X1=33;X1;X1--,P+=8)
 769           {
 770                 uint8 *C;
 771                 uint8 cc;
 772                 uint8 zz2;
 773                 uint32 vadr;
 774
 775                 C=MMC5HackVROMPTR;
 776                 zz2=(RefreshAddr>>10)&3;
 777                 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
 778                 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
 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           }
 789 }
 790
 791 static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs)
 792 {
 793           int8 X1;
 794
 795           for(X1=33;X1;X1--,P+=8)
 796           {
 797                 uint8 *C;
 798                 uint8 cc,zz,zz2;
 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"
 809
 810                 if((RefreshAddr&0x1f)==0x1f)
 811                  RefreshAddr^=0x41F;
 812                 else
 813                  RefreshAddr++;
 814           }
 815 }
 816
 817 static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs)
 818 {
 819          int8 X1;
 820
 821          for(X1=33;X1;X1--,P+=8)
 822          {
 823                 uint8 *C;
 824                 uint8 cc,zz,zz2;
 825                 uint32 vadr;
 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          }
 844 }
 845
 846 static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
 847 {
 848          int8 X1;
 849          uint32 rfraddr = RefreshAddr;
 850          uint8 *page = vnapage[(rfraddr>>10)&3];
 851          uint32 cc2=0;
 852
 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)
 857          {
 858                 uint8 cc,*C;
 859                 uint32 vadr;
 860
 861                 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
 862                 C = VRAMADR(vadr);
 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;
 866
 867                 #include "fceline.h"
 868
 869                 if((rfraddr&0x1f)==0x1f) {
 870                  rfraddr^=0x41F;
 871                  page = vnapage[(rfraddr>>10)&3];
 872                 } else
 873                  rfraddr++;
 874          }
 875          RefreshAddr = rfraddr;
 876 }
 877
 878 static 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         }
 913 }
 914
 915 static INLINE
 916 void Fixit2(void)
 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
 928 static INLINE
 929 void Fixit1(void)
 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
 957
 958 /*      This is called at the beginning of all h-blanks on visible lines. */
 959 static void DoHBlank(void)
 960 {
 961  if(ScreenON || SpriteON)
 962   FetchSpriteData();
 963  if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
 964  {
 965   X6502_Run(6);
 966   Fixit2();
 967   X6502_Run(4);
 968   GameHBIRQHook();
 969   X6502_Run(85-16-10);
 970  }
 971  else
 972  {
 973   X6502_Run(6);  // Tried 65, caused problems with Slalom(maybe others)
 974   Fixit2();
 975   X6502_Run(85-6-16);
 976  }
 977  if(GameHBIRQHook2 && (ScreenON || SpriteON))
 978   GameHBIRQHook2();
 979  //PPU_hook(0,-1);
 980  //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr);
 981  scanline++;
 982  if (scanline<240)
 983   ResetRL();
 984  X6502_Run(16);
 985 }
 986
 987
 988 // ============================//
 989 // end of new code
 990 // ===========================//
 991
 992 void 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
1030 int GameLoaded=0;
1031 void CloseGame(void)
1032 {
1033  if(GameLoaded)
1034  {
1035   if(FCEUGameInfo.type!=GIT_NSF)
1036    FCEU_FlushGameCheats(0,0);
1037   #ifdef NETWORK
1038   if(FSettings.NetworkPlay) KillNetplay();
1039   #endif
1040   GameInterface(GI_CLOSE);
1041   CloseGenie();
1042   GameLoaded=0;
1043  }
1044 }
1045
1046 void ResetGameLoaded(void)
1047 {
1048         if(GameLoaded) CloseGame();
1049         GameStateRestore=0;
1050         PPU_hook=0;
1051         GameHBIRQHook=GameHBIRQHook2=0;
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
1069 char lastLoadedGameName [2048];
1070 int UNIFLoad(const char *name, int fp);
1071 int iNESLoad(const char *name, int fp);
1072 int FDSLoad(const char *name, int fp);
1073 int NSFLoad(int fp);
1074
1075 FCEUGI *FCEUI_LoadGame(char *name)
1076 {
1077         char name2[512];
1078         int have_movie = 0;
1079         int fp;
1080
1081         Exit=1;
1082         ResetGameLoaded();
1083
1084         strncpy(name2, name, sizeof(name2));
1085         name2[sizeof(name2)-1] = 0;
1086
1087         fp=FCEU_fopen(name2,"rb");
1088         if(!fp)
1089         {
1090          FCEU_PrintError("Error opening \"%s\"!",name);
1091          return 0;
1092         }
1093
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))
1115          goto endlseq;
1116         if(NSFLoad(fp))
1117          goto endlseq;
1118         if(FDSLoad(name2,fp))
1119          goto endlseq;
1120         if(UNIFLoad(name2,fp))
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);
1129         GameLoaded=1;
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         {
1143          FCEU_LoadGamePalette();
1144          FCEU_LoadGameCheats(0);
1145         }
1146
1147         FCEU_ResetPalette();
1148         Exit=0;
1149
1150         if (have_movie)
1151                 FCEUI_LoadMovie(name, 1);
1152         return(&FCEUGameInfo);
1153 }
1154
1155
1156 void 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;
1170   FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
1171   FSettings.LastSLine=FSettings.UsrLastSLine[1];
1172  }
1173  else
1174  {
1175   PAL=0;
1176   FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
1177   FSettings.LastSLine=FSettings.UsrLastSLine[0];
1178  }
1179  printf("PAL = %i\n", PAL);
1180  SetSoundVariables();
1181 }
1182
1183 int 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;
1191         FSettings.SoundVolume=100;
1192         return 1;
1193 }
1194
1195 void MMC5_hb(int);     /* Ugh ugh ugh. */
1196 static INLINE void Thingo(void)
1197 {
1198    Loop6502();
1199
1200    if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1201
1202    // check: Battletoads & Double Dragon
1203    if(tosprite>=256)
1204    {
1205     X6502_Run(256);
1206    }
1207    else
1208    {
1209      // sky glitches in SMB1 if done wrong
1210      X6502_Run(tosprite);
1211      PPU[2]|=0x40;
1212      X6502_Run(256-tosprite);
1213      tosprite = 256;
1214    }
1215    TryFixit1();
1216    DoHBlank();
1217 }
1218
1219 void EmLoop(void)
1220 {
1221  for(;;)
1222  {
1223   int x;
1224   uint32 scanlines_per_frame = PAL ? 312 : 262;
1225   UpdateInput();
1226   FCEU_ApplyPeriodicCheats();
1227
1228   // FCEUPPU_Loop:
1229   if(ppudead) /* Needed for Knight Rider, possibly others. */
1230   {
1231    memset(XBuf, 0x80, 320*240);
1232    X6502_Run(scanlines_per_frame*(256+85));
1233    ppudead--;
1234    goto update;
1235   }
1236
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
1246                                    of this delay.
1247                                 */
1248   if(FCEUGameInfo.type==GIT_NSF)
1249    DoNSFFrame();
1250   else if(VBlankON)
1251    TriggerNMI();
1252
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);
1262   PPU_status&=0x1f;
1263   X6502_Run(256);
1264
1265   {
1266    if(ScreenON || SpriteON)
1267    {
1268     if(GameHBIRQHook)
1269      GameHBIRQHook();
1270      if(PPU_hook)
1271       for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
1272     if(GameHBIRQHook2)
1273      GameHBIRQHook2();
1274    }
1275
1276    X6502_Run(85-16);
1277
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;
1287   }
1288
1289   if(FCEUGameInfo.type==GIT_NSF)
1290   {
1291    X6502_Run((256+85)*240);
1292   }
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
1324   else
1325   {
1326    int x,max,maxref;
1327
1328    deemp=PPU[1]>>5;
1329    SetRefreshLine();
1330    for(scanline=0;scanline<240;)       // scanline is incremented in  DoLine.  Evil. :/
1331    {
1332     deempcnt[deemp]++;
1333     Thingo();
1334    }
1335    if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
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    }
1345    SetNESDeemph(maxref,0);
1346   }
1347
1348 update:
1349   {
1350    int ssize;
1351
1352    ssize=FlushEmulateSound();
1353
1354    timestampbase += timestamp;
1355    timestamp = 0;
1356
1357    #ifdef FRAMESKIP
1358    if(FSkip)
1359    {
1360     FCEU_PutImageDummy();
1361     FSkip--;
1362     FCEUD_Update(0,WaveFinalMono,ssize);
1363    }
1364    else
1365    #endif
1366    {
1367     FCEU_PutImage();
1368     FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
1369    }
1370   }
1371
1372   if(Exit)
1373   {
1374    CloseGame();
1375    break;
1376   }
1377
1378  } // for
1379 }
1380
1381 #ifdef FPS
1382 #include <sys/time.h>
1383 uint64 frcount;
1384 #endif
1385 void 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
1413 void FCEUI_CloseGame(void)
1414 {
1415         Exit=1;
1416 }
1417
1418 static 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;
1425         ppudead = 2;
1426         kook = 0;
1427 }
1428
1429 static void PowerPPU(void)
1430 {
1431         memset(NTARAM,0x00,0x800);
1432         memset(PALRAM,0x00,0x20);
1433         memset(SPRAM,0x00,0x100);
1434         ResetPPU();
1435 }
1436
1437 void ResetNES(void)
1438 {
1439         if(!GameLoaded) return;
1440         GameInterface(GI_RESETM2);
1441         ResetSound();
1442         ResetPPU();
1443         X6502_Reset();
1444 }
1445
1446 void PowerNES(void)
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
1464
1465 /* savestate stuff */
1466 uint16 TempAddrT,RefreshAddrT;
1467
1468 SFORMAT 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