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        "movie.h"
  52
  53 #include        "dprintf.h"
  54
  55 #define Pal     (PALRAM)
  56
  57
  58 static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL;
  59 static void PRefreshLine(void);
  60
  61 static void ResetPPU(void);
  62 static void PowerPPU(void);
  63
  64 uint64 timestampbase=0;
  65
  66 static int ppudead=1;
  67 static int kook=0;
  68
  69 int MMC5Hack;
  70 uint32 MMC5HackVROMMask;
  71 uint8 *MMC5HackExNTARAMPtr;
  72 uint8 *MMC5HackVROMPTR;
  73 uint8 MMC5HackCHRMode=0;
  74 uint8 MMC5HackSPMode;
  75 uint8 MMC5HackSPScroll;
  76 uint8 MMC5HackSPPage;
  77
  78 uint8 *MMC5SPRVPage[8];
  79 uint8 *MMC5BGVPage[8];
  80
  81
  82 uint8 VRAMBuffer,PPUGenLatch;
  83
  84 uint8 *vnapage[4];
  85 uint8 PPUNTARAM;
  86 uint8 PPUCHRRAM;
  87
  88 /* Color deemphasis emulation.  Joy... */
  89 static uint8 deemp=0;
  90 static int deempcnt[8];
  91
  92 int tosprite=256;
  93
  94 FCEUGI FCEUGameInfo;
  95 void (*GameInterface)(int h);
  96
  97 void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
  98
  99 void (*GameStateRestore)(int version);
 100 void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void);
 101
 102 readfunc ARead[0x10000];
 103 writefunc BWrite[0x10000];
 104 static readfunc *AReadG;
 105 static writefunc *BWriteG;
 106 static int RWWrap=0;
 107
 108 #ifdef ASM_6502
 109 static void asmcpu_update(int32 cycles)
 110 {
 111  // some code from x6502.c
 112  fhcnt-=cycles;
 113  if(fhcnt<=0)
 114  {
 115   FrameSoundUpdate();
 116   fhcnt+=fhinc;
 117  }
 118
 119  if(PCMIRQCount>0)
 120  {
 121   PCMIRQCount-=cycles;
 122   if(PCMIRQCount<=0)
 123   {
 124    vdis=1;
 125    if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40))
 126    {
 127     extern uint8 SIRQStat;
 128     SIRQStat|=0x80;
 129     X6502_IRQBegin(FCEU_IQDPCM);
 130    }
 131   }
 132  }
 133 }
 134
 135 void asmcpu_unpack(void)
 136 {
 137         nes_registers[0] = X.A << 24;
 138         nes_registers[1] = X.X;
 139         nes_registers[2] = X.Y;
 140         pc_base = 0;
 141         nes_registers[3] = X.PC;
 142         X6502_Rebase_a();
 143         nes_registers[4] = X.S << 24;
 144         nes_registers[4]|= X.IRQlow << 8;
 145         nes_registers[7] = (uint32)X.count << 16;
 146
 147         // NVUB DIZC
 148         nes_registers[4]|= X.P & 0x5d;
 149         nes_registers[5] = X.P << 24; // N
 150         if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
 151 }
 152
 153 void asmcpu_pack(void)
 154 {
 155         X.A = nes_registers[0] >> 24;
 156         X.X = nes_registers[1];
 157         X.Y = nes_registers[2];
 158         X.PC= nes_registers[3] - pc_base;
 159         X.S = nes_registers[4] >> 24;
 160         X.IRQlow = nes_registers[4] >> 8;
 161         X.count = (int32) nes_registers[7] >> 16;
 162
 163         // NVUB DIZC
 164         X.P = nes_registers[4] & 0x5d;
 165         if (  nes_registers[5]&0x80000000)  X.P |= 0x80; // N
 166         if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z
 167 }
 168 #endif
 169
 170 DECLFW(BNull)
 171 {
 172
 173 }
 174
 175 DECLFR(ANull)
 176 {
 177  return(X.DB);
 178 }
 179
 180 int AllocGenieRW(void)
 181 {
 182  if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc))))
 183   return 0;
 184  if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc))))
 185   return 0;
 186  RWWrap=1;
 187  return 1;
 188 }
 189
 190 void FlushGenieRW(void)
 191 {
 192  int32 x;
 193
 194  if(RWWrap)
 195  {
 196   for(x=0;x<0x8000;x++)
 197   {
 198    ARead[x+0x8000]=AReadG[x];
 199    BWrite[x+0x8000]=BWriteG[x];
 200   }
 201   free(AReadG);
 202   free(BWriteG);
 203   AReadG=0;
 204   BWriteG=0;
 205   RWWrap=0;
 206  }
 207 }
 208
 209 readfunc FASTAPASS(1) GetReadHandler(int32 a)
 210 {
 211   if(a>=0x8000 && RWWrap)
 212    return AReadG[a-0x8000];
 213   else
 214    return ARead[a];
 215 }
 216
 217 void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func)
 218 {
 219   int32 x;
 220
 221   if(!func)
 222    func=ANull;
 223
 224   if(RWWrap)
 225    for(x=end;x>=start;x--)
 226    {
 227     if(x>=0x8000)
 228      AReadG[x-0x8000]=func;
 229     else
 230      ARead[x]=func;
 231    }
 232   else
 233
 234    for(x=end;x>=start;x--)
 235     ARead[x]=func;
 236 }
 237
 238 writefunc FASTAPASS(1) GetWriteHandler(int32 a)
 239 {
 240   if(RWWrap && a>=0x8000)
 241    return BWriteG[a-0x8000];
 242   else
 243    return BWrite[a];
 244 }
 245
 246 void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func)
 247 {
 248   int32 x;
 249
 250   if(!func)
 251    func=BNull;
 252
 253   if(RWWrap)
 254    for(x=end;x>=start;x--)
 255    {
 256     if(x>=0x8000)
 257      BWriteG[x-0x8000]=func;
 258     else
 259      BWrite[x]=func;
 260    }
 261   else
 262    for(x=end;x>=start;x--)
 263     BWrite[x]=func;
 264 }
 265
 266 uint8 vtoggle=0;
 267 uint8 XOffset=0;
 268
 269 uint32 TempAddr,RefreshAddr;
 270
 271
 272 /* scanline is equal to the current visible scanline we're on. */
 273
 274 int scanline;
 275
 276 uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
 277 uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
 278 uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
 279 #if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
 280 uint8 RAM[0x800] __attribute__ ((aligned (4)));
 281 #endif
 282
 283 uint8 PPU[4];
 284 uint8 PPUSPL;
 285
 286 uint8 PAL=0;
 287
 288
 289 #define MMC5BGVRAMADR(V)      &MMC5BGVPage[(V)>>10][(V)]
 290 #define VRAMADR(V)      &VPage[(V)>>10][(V)]
 291
 292 static int linestartts;
 293 static int tofix=0;
 294
 295 static void ResetRL(void)
 296 {
 297  linestartts=timestamp*48+X6502_GetCycleCount();
 298  tofix=1;
 299 }
 300
 301 static INLINE void Fixit1(void);
 302
 303 static void TryFixit1(void)
 304 {
 305  #define TOFIXNUM (272-0x4)
 306  int lastpixel;
 307
 308  if (scanline < 240 && tofix)
 309  {
 310   lastpixel = (timestamp*48-linestartts)>>4;
 311   if (PAL) lastpixel += lastpixel>>4;
 312
 313   //printf("lastpixel: %i\n", lastpixel);
 314
 315   if(lastpixel>=TOFIXNUM)
 316   {
 317    Fixit1();
 318    tofix=0;
 319   }
 320  }
 321 }
 322
 323
 324 static DECLFW(BRAML)
 325 {
 326         RAM[A]=V;
 327 }
 328
 329 static DECLFW(BRAMH)
 330 {
 331         RAM[A&0x7FF]=V;
 332 }
 333
 334 static DECLFR(ARAML)
 335 {
 336         return RAM[A];
 337 }
 338
 339 static DECLFR(ARAMH)
 340 {
 341         return RAM[A&0x7FF];
 342 }
 343
 344
 345 static DECLFR(A2002)
 346 {
 347         /* merged */
 348                         uint8 ret;
 349
 350                         TryFixit1();
 351                         ret = PPU_status;
 352                         ret|=PPUGenLatch&0x1F;
 353                         vtoggle=0;
 354                         PPU_status&=0x7F;
 355                          PPUGenLatch=ret;
 356                         //dprintf("r [2002] %02x",ret);
 357                         return ret;
 358 }
 359
 360 static DECLFR(A200x)
 361 {
 362         /* merged */
 363                         TryFixit1();
 364                         return PPUGenLatch;
 365 }
 366
 367 static DECLFR(A2007)
 368 {
 369         /* merged */
 370                         uint8 ret;
 371                         uint32 tmp=RefreshAddr&0x3FFF;
 372
 373                         TryFixit1();
 374
 375                         ret=VRAMBuffer;
 376
 377                         if(PPU_hook) PPU_hook(tmp);
 378                         PPUGenLatch=VRAMBuffer;
 379                         if(tmp<0x2000)
 380                         {
 381                          VRAMBuffer=VPage[tmp>>10][tmp];
 382                         }
 383                         else
 384                         {
 385                          VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF];
 386                         }
 387
 388                         if (INC32) RefreshAddr+=32;
 389                         else RefreshAddr++;
 390                         if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
 391                         dprintf("r [2007] %02x",ret);
 392                         return ret;
 393 }
 394
 395 static DECLFW(B2000)
 396 {
 397         /* NMI2? */
 398                 TryFixit1();
 399                 PPUGenLatch=V;
 400                 PPU[0]=V;
 401                 TempAddr&=0xF3FF;
 402                 TempAddr|=(V&3)<<10;
 403 }
 404
 405 static DECLFW(B2001)
 406 {
 407         /* merged */
 408                   TryFixit1();
 409                   PPUGenLatch=V;
 410                   PPU[1]=V;
 411                   if(V&0xE0)
 412                    deemp=V>>5;
 413                   //printf("$%04x:$%02x, %d\n",X.PC,V,scanline);
 414 }
 415
 416 static DECLFW(B2002)
 417 {
 418         /* merged */
 419                  PPUGenLatch=V;
 420 }
 421
 422 static DECLFW(B2003)
 423 {
 424         /* merged */
 425                 PPUGenLatch=V;
 426                 PPU[3]=V;
 427                 PPUSPL=V&0x7;
 428 }
 429
 430 static DECLFW(B2004)
 431 {
 432         /* merged */
 433                 PPUGenLatch=V;
 434                 if(PPUSPL>=8)
 435                 {
 436                  if(PPU[3]>=8)
 437                   SPRAM[PPU[3]]=V;
 438                 }
 439                 else
 440                 {
 441                  //printf("$%02x:$%02x\n",PPUSPL,V);
 442                  SPRAM[PPUSPL]=V;
 443                 }
 444                 PPU[3]++;
 445                 PPUSPL++;
 446
 447 }
 448
 449 static DECLFW(B2005)
 450 {
 451         /* merged */
 452                 uint32 tmp=TempAddr;
 453                 TryFixit1();
 454                 PPUGenLatch=V;
 455                 if (!vtoggle)
 456                 {
 457                  tmp&=0xFFE0;
 458                  tmp|=V>>3;
 459                  XOffset=V&7;
 460                 }
 461                 else
 462                 {
 463                  tmp&=0x8C1F;
 464                  tmp|=((V&~0x7)<<2);
 465                  tmp|=(V&7)<<12;
 466                 }
 467
 468                 TempAddr=tmp;
 469                 vtoggle^=1;
 470 }
 471
 472 static DECLFW(B2006)
 473 {
 474         /* merged */
 475                        TryFixit1();
 476
 477                        PPUGenLatch=V;
 478                        if(!vtoggle)
 479                        {
 480                         TempAddr&=0x00FF;
 481                         TempAddr|=(V&0x3f)<<8;
 482                        }
 483                        else
 484                        {
 485                         TempAddr&=0xFF00;
 486                         TempAddr|=V;
 487
 488                         RefreshAddr=TempAddr;
 489                         if(PPU_hook)
 490                          PPU_hook(RefreshAddr);
 491                        }
 492                       vtoggle^=1;
 493 }
 494
 495 static DECLFW(B2007)
 496 {
 497         /* merged */
 498                         uint32 tmp=RefreshAddr&0x3FFF;
 499                         PPUGenLatch=V;
 500                         if(tmp>=0x3F00)
 501                         {
 502                          // hmmm....
 503                          if(!(tmp&0xf))
 504                           PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f;
 505                          else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
 506                         }
 507                         else if(tmp<0x2000)
 508                         {
 509                           if(PPUCHRRAM&(1<<(tmp>>10)))
 510                             VPage[tmp>>10][tmp]=V;
 511                         }
 512                         else
 513                         {
 514                          if(PPUNTARAM&(1<<((tmp&0xF00)>>10)))
 515                           vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V;
 516                         }
 517                         if (INC32) RefreshAddr+=32;
 518                         else RefreshAddr++;
 519                         if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
 520 }
 521
 522 static DECLFW(B4014)
 523 {
 524         uint32 t=V<<8;
 525         int x;
 526
 527         for(x=0;x<256;x++)
 528          B2004(0x2004,X.DB=ARead[t+x](t+x));
 529         X6502_AddCycles(512);
 530 }
 531
 532 void BGRender(uint8 *target)
 533 {
 534         uint32 tem, vofs;
 535         vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
 536
 537         Pal[0]|=64;
 538         Pal[4]|=64;
 539         Pal[8]|=64;
 540         Pal[0xC]|=64;
 541         RefreshLine(target-XOffset, vofs);
 542         Pal[0]&=63;
 543         Pal[4]&=63;
 544         Pal[8]&=63;
 545         Pal[0xC]&=63;
 546
 547         if(!(PPU[1]&2))
 548         {
 549          tem=Pal[0]|0x40;
 550          tem|=tem<<8;
 551          tem|=tem<<16;
 552          *(uint32 *)target=*(uint32 *)(target+4)=tem;
 553         }
 554 }
 555
 556 #ifdef FRAMESKIP
 557 int FSkip_setting=-1; // auto
 558 int FSkip=0;
 559 void FCEUI_FrameSkip(int x)
 560 {
 561  FSkip=x;
 562 }
 563 #endif
 564
 565 /*      This is called at the beginning of each visible scanline */
 566 static void Loop6502(void)
 567 {
 568         uint32 tem;
 569         int x;
 570         uint8 *target=XBuf+scanline*320+32;
 571
 572         if(ScreenON || SpriteON)
 573         {
 574          /* PRefreshLine() will not get called on skipped frames.  This
 575             could cause a problem, but the solution would be rather complex,
 576             due to the current sprite 0 hit code.
 577          */
 578          #ifdef FRAMESKIP
 579          if(!FSkip)
 580          {
 581          #endif
 582           if(ScreenON)
 583           {
 584            if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine)
 585             BGRender(target);
 586            else
 587            {
 588             if(PPU_hook)
 589              PRefreshLine();
 590            }
 591           }
 592           else
 593           {
 594            tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24);
 595            tem|=0x40404040;
 596            FCEU_dwmemset(target,tem,264);
 597           }
 598          #ifdef FRAMESKIP
 599          }
 600          #endif
 601          if (SpriteON && scanline)
 602           RefreshSprite(target);
 603          #ifdef FRAMESKIP
 604          if(!FSkip)
 605          {
 606          #endif
 607           if(PPU[1]&0x01)
 608           {
 609            for(x=63;x>=0;x--)
 610             ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0;
 611           }
 612            if((PPU[1]>>5)==0x7)
 613             for(x=63;x>=0;x--)
 614              ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040;
 615            else if(PPU[1]&0xE0)
 616             for(x=63;x>=0;x--)
 617              ((uint32 *)target)[x]=((uint32*)target)[x]|0xC0C0C0C0;
 618            else
 619             for(x=63;x>=0;x--)
 620              ((uint32 *)target)[x]=((uint32*)target)[x]&0x3f3f3f3f;
 621           FCEU_dwmemset(target-  8,0x3f3f3f3f,8);
 622           FCEU_dwmemset(target+256,0x3f3f3f3f,8);
 623          #ifdef FRAMESKIP
 624          }
 625          #endif
 626         }
 627         else
 628         {
 629          tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24);
 630          FCEU_dwmemset(target,tem,256);
 631         }
 632         if(InputScanlineHook)
 633          InputScanlineHook(target, scanline);
 634 }
 635
 636 #define PAL(c)  ((c)+cc)
 637
 638
 639 static void PRefreshLine(void)
 640 {
 641         uint32 vofs;
 642         uint8 X1;
 643
 644         vofs = 0;
 645         if (BGAdrHI) vofs = 0x1000;
 646
 647         vofs+=(RefreshAddr>>12)&7;
 648
 649         for(X1=33;X1;X1--)
 650         {
 651                 register uint8 no;
 652                 register uint8 zz2;
 653                 zz2=(uint8)((RefreshAddr>>10)&3);
 654                 PPU_hook(0x2000|(RefreshAddr&0xFFF));
 655                 no  = vnapage[zz2][(RefreshAddr&0x3ff)];
 656                 PPU_hook((no<<4)+vofs);
 657                 if((RefreshAddr&0x1f)==0x1f)
 658                  RefreshAddr^=0x41F;
 659                 else
 660                  RefreshAddr++;
 661         }
 662 }
 663
 664 /* This high-level graphics MMC5 emulation code was written
 665    for MMC5 carts in "CL" mode.  It's probably not totally
 666    correct for carts in "SL" mode.
 667    */
 668 static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs)
 669 {
 670           int8 tochange, X1;
 671
 672           tochange=MMC5HackSPMode&0x1F;
 673
 674           for(X1=33;X1;X1--,P+=8)
 675           {
 676                 uint8 *C;
 677                 uint8 cc,zz,zz2;
 678                 uint32 vadr;
 679
 680                 if((tochange<=0 && MMC5HackSPMode&0x40) ||
 681                    (tochange>0 && !(MMC5HackSPMode&0x40)))
 682                 {
 683                  uint8 xs,ys;
 684
 685                  xs=33-X1;
 686                  ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
 687                  if(ys>=0x1E) ys-=0x1E;
 688                  vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
 689
 690                  C = MMC5HackVROMPTR+vadr;
 691                  C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
 692
 693                  cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
 694                  cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
 695                 }
 696                 else
 697                 {
 698                  zz=RefreshAddr&0x1F;
 699                  zz2=(RefreshAddr>>10)&3;
 700                  vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
 701                  C = MMC5BGVRAMADR(vadr);
 702                  cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
 703                  cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
 704                 }
 705                 #include "fceline.h"
 706
 707                 if((RefreshAddr&0x1f)==0x1f)
 708                  RefreshAddr^=0x41F;
 709                 else
 710                  RefreshAddr++;
 711                 tochange--;
 712           }
 713 }
 714
 715 static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs)
 716 {
 717           int8 tochange, X1;
 718
 719           tochange=MMC5HackSPMode&0x1F;
 720
 721           for(X1=33;X1;X1--,P+=8)
 722           {
 723                 uint8 *C;
 724                 uint8 cc;
 725                 uint8 zz2;
 726                 uint32 vadr;
 727
 728                 if((tochange<=0 && MMC5HackSPMode&0x40) ||
 729                    (tochange>0 && !(MMC5HackSPMode&0x40)))
 730                 {
 731                  uint8 xs,ys;
 732
 733                  xs=33-X1;
 734                  ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
 735                  if(ys>=0x1E) ys-=0x1E;
 736                  vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
 737
 738                  C = MMC5HackVROMPTR+vadr;
 739                  C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
 740
 741                  cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
 742                  cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
 743                 }
 744                 else
 745                 {
 746                  C=MMC5HackVROMPTR;
 747                  zz2=(RefreshAddr>>10)&3;
 748                  vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
 749                  C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
 750                          MMC5HackVROMMask) << 12) + (vadr & 0xfff);
 751                  vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
 752                  cc = vadr;
 753                 }
 754                 #include "fceline.h"
 755                 if((RefreshAddr&0x1f)==0x1f)
 756                  RefreshAddr^=0x41F;
 757                 else
 758                  RefreshAddr++;
 759                 tochange--;
 760           }
 761 }
 762
 763 static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs)
 764 {
 765           int8 X1;
 766
 767           for(X1=33;X1;X1--,P+=8)
 768           {
 769                 uint8 *C;
 770                 uint8 cc;
 771                 uint8 zz2;
 772                 uint32 vadr;
 773
 774                 C=MMC5HackVROMPTR;
 775                 zz2=(RefreshAddr>>10)&3;
 776                 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
 777                 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
 778                         MMC5HackVROMMask) << 12) + (vadr & 0xfff);
 779                 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
 780                 cc = vadr;
 781
 782                 #include "fceline.h"
 783                 if((RefreshAddr&0x1f)==0x1f)
 784                  RefreshAddr^=0x41F;
 785                 else
 786                  RefreshAddr++;
 787           }
 788 }
 789
 790 static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs)
 791 {
 792           int8 X1;
 793
 794           for(X1=33;X1;X1--,P+=8)
 795           {
 796                 uint8 *C;
 797                 uint8 cc,zz,zz2;
 798                 uint32 vadr;
 799
 800                 zz=RefreshAddr&0x1F;
 801                 zz2=(RefreshAddr>>10)&3;
 802                 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
 803                 C = MMC5BGVRAMADR(vadr);
 804                 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
 805                 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
 806
 807                 #include "fceline.h"
 808
 809                 if((RefreshAddr&0x1f)==0x1f)
 810                  RefreshAddr^=0x41F;
 811                 else
 812                  RefreshAddr++;
 813           }
 814 }
 815
 816 static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs)
 817 {
 818          int8 X1;
 819
 820          for(X1=33;X1;X1--,P+=8)
 821          {
 822                 uint8 *C;
 823                 uint8 cc,zz,zz2;
 824                 uint32 vadr;
 825
 826                 zz=RefreshAddr&0x1F;
 827                 zz2=(RefreshAddr>>10)&3;
 828                 PPU_hook(0x2000|(RefreshAddr&0xFFF));
 829                 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
 830                 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
 831                 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
 832                 C = VRAMADR(vadr);
 833
 834                 #include "fceline.h"
 835
 836                 PPU_hook(vadr);
 837
 838                 if((RefreshAddr&0x1f)==0x1f)
 839                  RefreshAddr^=0x41F;
 840                 else
 841                  RefreshAddr++;
 842          }
 843 }
 844
 845 static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
 846 {
 847          int8 X1;
 848          uint32 rfraddr = RefreshAddr;
 849          uint8 *page = vnapage[(rfraddr>>10)&3];
 850          uint32 cc2=0;
 851
 852          if ((rfraddr&0xc)!=0)
 853           cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
 854
 855          for (X1=33;X1;X1--,P+=8)
 856          {
 857                 uint8 cc,*C;
 858                 uint32 vadr;
 859
 860                 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
 861                 C = VRAMADR(vadr);
 862                 if ((rfraddr&0xc)==0)
 863                  cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
 864                 cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2;
 865
 866                 #include "fceline.h"
 867
 868                 if((rfraddr&0x1f)==0x1f) {
 869                  rfraddr^=0x41F;
 870                  page = vnapage[(rfraddr>>10)&3];
 871                 } else
 872                  rfraddr++;
 873          }
 874          RefreshAddr = rfraddr;
 875 }
 876
 877 static void SetRefreshLine(void)
 878 {
 879         if(MMC5Hack && geniestage!=1)
 880         {
 881          if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80))
 882          {
 883                  if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n");
 884                  RefreshLine = RefreshLine_MMC5Hack1;
 885          }
 886          else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80))
 887          {
 888                 if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n");
 889                  RefreshLine = RefreshLine_MMC5Hack2;
 890          }
 891          else if(MMC5HackCHRMode==1)
 892          {
 893                 if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n");
 894                  RefreshLine = RefreshLine_MMC5Hack3;
 895          }
 896          else
 897          {
 898                 if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n");
 899                  RefreshLine = RefreshLine_MMC5Hack4;
 900          }
 901         }       // End if(MMC5Hack)
 902         else if(PPU_hook)
 903         {
 904                 if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n");
 905                 RefreshLine = RefreshLine_PPU_hook;
 906         }
 907         else
 908         {
 909                 if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n");
 910                 RefreshLine = RefreshLine_normal;
 911         }
 912 }
 913
 914 static INLINE
 915 void Fixit2(void)
 916 {
 917    if(ScreenON || SpriteON)
 918    {
 919     uint32 rad=RefreshAddr;
 920     rad&=0xFBE0;
 921     rad|=TempAddr&0x041f;
 922     RefreshAddr=rad;
 923     //PPU_hook(RefreshAddr,-1);
 924    }
 925 }
 926
 927 static INLINE
 928 void Fixit1(void)
 929 {
 930    if(ScreenON || SpriteON)
 931    {
 932     uint32 rad=RefreshAddr;
 933
 934     if((rad&0x7000)==0x7000)
 935     {
 936      rad^=0x7000;
 937      if((rad&0x3E0)==0x3A0)
 938      {
 939       rad^=0x3A0;
 940       rad^=0x800;
 941      }
 942      else
 943      {
 944       if((rad&0x3E0)==0x3e0)
 945        rad^=0x3e0;
 946       else rad+=0x20;
 947      }
 948     }
 949     else
 950      rad+=0x1000;
 951     RefreshAddr=rad;
 952     //PPU_hook(RefreshAddr,-1);
 953    }
 954 }
 955
 956
 957 /*      This is called at the beginning of all h-blanks on visible lines. */
 958 static void DoHBlank(void)
 959 {
 960  if(ScreenON || SpriteON)
 961   FetchSpriteData();
 962  if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
 963  {
 964   X6502_Run(6);
 965   Fixit2();
 966   X6502_Run(4);
 967   GameHBIRQHook();
 968   X6502_Run(85-16-10);
 969  }
 970  else
 971  {
 972   X6502_Run(6);  // Tried 65, caused problems with Slalom(maybe others)
 973   Fixit2();
 974   X6502_Run(85-6-16);
 975  }
 976  if(GameHBIRQHook2 && (ScreenON || SpriteON))
 977   GameHBIRQHook2();
 978  //PPU_hook(0,-1);
 979  //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr);
 980  scanline++;
 981  if (scanline<240)
 982   ResetRL();
 983  X6502_Run(16);
 984 }
 985
 986
 987 // ============================//
 988 // end of new code
 989 // ===========================//
 990
 991 void ResetMapping(void)
 992 {
 993         int x;
 994
 995         SetReadHandler(0x0000,0xFFFF,ANull);
 996         SetWriteHandler(0x0000,0xFFFF,BNull);
 997
 998         SetReadHandler(0,0x7FF,ARAML);
 999         SetWriteHandler(0,0x7FF,BRAML);
1000
1001         SetReadHandler(0x800,0x1FFF,ARAMH);  /* Part of a little */
1002         SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
1003
1004         for(x=0x2000;x<0x4000;x+=8)
1005         {
1006          ARead[x]=A200x;
1007          BWrite[x]=B2000;
1008          ARead[x+1]=A200x;
1009          BWrite[x+1]=B2001;
1010          ARead[x+2]=A2002;
1011          BWrite[x+2]=B2002;
1012          ARead[x+3]=A200x;
1013          BWrite[x+3]=B2003;
1014          ARead[x+4]=A200x;
1015          BWrite[x+4]=B2004;
1016          ARead[x+5]=A200x;
1017          BWrite[x+5]=B2005;
1018          ARead[x+6]=A200x;
1019          BWrite[x+6]=B2006;
1020          ARead[x+7]=A2007;
1021          BWrite[x+7]=B2007;
1022         }
1023
1024         BWrite[0x4014]=B4014;
1025         SetNESSoundMap();
1026         InitializeInput();
1027 }
1028
1029 int GameLoaded=0;
1030 void CloseGame(void)
1031 {
1032  if(GameLoaded)
1033  {
1034   if(FCEUGameInfo.type!=GIT_NSF)
1035    FlushGameCheats();
1036   #ifdef NETWORK
1037   if(FSettings.NetworkPlay) KillNetplay();
1038   #endif
1039   GameInterface(GI_CLOSE);
1040   CloseGenie();
1041   GameLoaded=0;
1042  }
1043 }
1044
1045 void ResetGameLoaded(void)
1046 {
1047         if(GameLoaded) CloseGame();
1048         GameStateRestore=0;
1049         PPU_hook=0;
1050         GameHBIRQHook=GameHBIRQHook2=0;
1051         GameExpSound.Fill=0;
1052         GameExpSound.RChange=0;
1053         if(GameExpSound.Kill)
1054          GameExpSound.Kill();
1055         GameExpSound.Kill=0;
1056         MapIRQHook=0;
1057         MMC5Hack=0;
1058         PAL&=1;
1059         pale=0;
1060
1061         FCEUGameInfo.name=0;
1062         FCEUGameInfo.type=GIT_CART;
1063         FCEUGameInfo.vidsys=GIV_USER;
1064         FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1;
1065         FCEUGameInfo.inputfc=-1;
1066 }
1067
1068 char lastLoadedGameName [2048];
1069 int UNIFLoad(const char *name, int fp);
1070 int iNESLoad(const char *name, int fp);
1071 int FDSLoad(const char *name, int fp);
1072 int NSFLoad(int fp);
1073
1074 FCEUGI *FCEUI_LoadGame(char *name)
1075 {
1076         char name2[512];
1077         int have_movie = 0;
1078         int fp;
1079
1080         Exit=1;
1081         ResetGameLoaded();
1082
1083         strncpy(name2, name, sizeof(name2));
1084         name2[sizeof(name2)-1] = 0;
1085
1086         fp=FCEU_fopen(name2,"rb");
1087         if(!fp)
1088         {
1089          FCEU_PrintError("Error opening \"%s\"!",name);
1090          return 0;
1091         }
1092
1093         {
1094          char *p = name2 + strlen(name2) - 4;
1095          if (strcmp(p, ".fcm") == 0)
1096          {
1097           // movie detected
1098           printf("movie detected\n");
1099           FCEU_fclose(fp);
1100           *p = 0;
1101           fp=FCEU_fopen(name2,"rb");
1102           if (!fp) {
1103            printf("no ROM for movie\n");
1104            return 0;
1105           }
1106           have_movie = 1;
1107          }
1108         }
1109
1110         strcpy(lastLoadedGameName, name2);
1111
1112         GetFileBase(name2);
1113         if(iNESLoad(name2,fp))
1114          goto endlseq;
1115         if(NSFLoad(fp))
1116          goto endlseq;
1117         if(FDSLoad(name2,fp))
1118          goto endlseq;
1119         if(UNIFLoad(name2,fp))
1120          goto endlseq;
1121
1122         FCEU_PrintError("An error occurred while loading the file.");
1123         FCEU_fclose(fp);
1124         return 0;
1125
1126         endlseq:
1127         FCEU_fclose(fp);
1128         GameLoaded=1;
1129
1130         FCEU_ResetVidSys();
1131         if(FCEUGameInfo.type!=GIT_NSF)
1132          if(FSettings.GameGenie)
1133           OpenGenie();
1134
1135         PowerNES();
1136         #ifdef NETWORK
1137         if(FSettings.NetworkPlay) InitNetplay();
1138         #endif
1139         SaveStateRefresh();
1140         if(FCEUGameInfo.type!=GIT_NSF)
1141         {
1142          LoadGamePalette();
1143          LoadGameCheats();
1144         }
1145
1146         FCEU_ResetPalette();
1147         Exit=0;
1148
1149         if (have_movie)
1150                 FCEUI_LoadMovie(name, 1);
1151         return(&FCEUGameInfo);
1152 }
1153
1154
1155 void FCEU_ResetVidSys(void)
1156 {
1157  int w;
1158
1159  if(FCEUGameInfo.vidsys==GIV_NTSC)
1160   w=0;
1161  else if(FCEUGameInfo.vidsys==GIV_PAL)
1162   w=1;
1163  else
1164   w=FSettings.PAL;
1165
1166  if(w)
1167  {
1168   PAL=1;
1169   FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
1170   FSettings.LastSLine=FSettings.UsrLastSLine[1];
1171  }
1172  else
1173  {
1174   PAL=0;
1175   FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
1176   FSettings.LastSLine=FSettings.UsrLastSLine[0];
1177  }
1178  printf("PAL = %i\n", PAL);
1179  SetSoundVariables();
1180 }
1181
1182 int FCEUI_Initialize(void)
1183 {
1184         if(!InitVirtualVideo())
1185          return 0;
1186         memset(&FSettings,0,sizeof(FSettings));
1187         FSettings.UsrFirstSLine[0]=8;
1188         FSettings.UsrFirstSLine[1]=0;
1189         FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239;
1190         FSettings.SoundVolume=65535;    // 100%
1191         return 1;
1192 }
1193
1194 void MMC5_hb(int);     /* Ugh ugh ugh. */
1195 static INLINE void Thingo(void)
1196 {
1197    Loop6502();
1198
1199    if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1200
1201    // check: Battletoads & Double Dragon
1202    if(tosprite>=256)
1203    {
1204     X6502_Run(256);
1205    }
1206    else
1207    {
1208      // sky glitches in SMB1 if done wrong
1209      X6502_Run(tosprite);
1210      PPU[2]|=0x40;
1211      X6502_Run(256-tosprite);
1212      tosprite = 256;
1213    }
1214    TryFixit1();
1215    DoHBlank();
1216 }
1217
1218 void EmLoop(void)
1219 {
1220  for(;;)
1221  {
1222   int x;
1223   uint32 scanlines_per_frame = PAL ? 312 : 262;
1224   UpdateInput();
1225   ApplyPeriodicCheats();
1226
1227   // FCEUPPU_Loop:
1228   if(ppudead) /* Needed for Knight Rider, possibly others. */
1229   {
1230    memset(XBuf, 0x80, 320*240);
1231    X6502_Run(scanlines_per_frame*(256+85));
1232    ppudead--;
1233    goto update;
1234   }
1235
1236   X6502_Run(256+85);
1237
1238   PPU[2]|=0x80;
1239   PPU[3]=PPUSPL=0;             /* Not sure if this is correct.  According
1240                                   to Matt Conte and my own tests, it is.  Timing is probably
1241                                   off, though.  NOTE:  Not having this here
1242                                   breaks a Super Donkey Kong game. */
1243
1244   X6502_Run(12);                /* I need to figure out the true nature and length
1245                                    of this delay.
1246                                 */
1247   if(FCEUGameInfo.type==GIT_NSF)
1248    DoNSFFrame();
1249   else if(VBlankON)
1250    TriggerNMI();
1251
1252   // Note: this is needed for asm core
1253   // Warning: using 'scanline' var here breaks Castlevania III
1254   {
1255    int lines;
1256    X6502_Run(256+85-12);
1257    for (lines=scanlines_per_frame-242-1;lines;lines--)
1258      X6502_Run(256+85);
1259   }
1260   // X6502_Run((scanlines_per_frame-242)*(256+85)-12);
1261   PPU_status&=0x1f;
1262   X6502_Run(256);
1263
1264   {
1265    if(ScreenON || SpriteON)
1266    {
1267     if(GameHBIRQHook)
1268      GameHBIRQHook();
1269      if(PPU_hook)
1270       for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
1271     if(GameHBIRQHook2)
1272      GameHBIRQHook2();
1273    }
1274
1275    X6502_Run(85-16);
1276
1277    if(ScreenON || SpriteON)
1278    {
1279     RefreshAddr=TempAddr;
1280     if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
1281    }
1282    ResetRL();
1283
1284    X6502_Run(16-kook);
1285    kook ^= 1;
1286   }
1287
1288   if(FCEUGameInfo.type==GIT_NSF)
1289   {
1290    X6502_Run((256+85)*240);
1291   }
1292   #ifdef FRAMESKIP
1293    else if(FSkip)
1294    {
1295     int y;
1296
1297     y=SPRAM[0];
1298     y++;
1299
1300     PPU_status|=0x20;       // Fixes "Bee 52".  Does it break anything?
1301     if(GameHBIRQHook)
1302     {
1303      X6502_Run(256);
1304      for(scanline=0;scanline<240;scanline++)
1305      {
1306       if(ScreenON || SpriteON)
1307        GameHBIRQHook();
1308       if(scanline==y && SpriteON) PPU_status|=0x40;
1309       X6502_Run((scanline==239)?85:(256+85));
1310       ResetRL(); // ??
1311      }
1312     }
1313     else if(y<240)
1314     {
1315      X6502_Run((256+85)*y);
1316      if(SpriteON) PPU_status|=0x40; // Quick and very dirty hack.
1317      X6502_Run((256+85)*(240-y));
1318     }
1319     else
1320      X6502_Run((256+85)*240);
1321    }
1322   #endif
1323   else
1324   {
1325    int x,max,maxref;
1326
1327    deemp=PPU[1]>>5;
1328    SetRefreshLine();
1329    for(scanline=0;scanline<240;)       // scanline is incremented in  DoLine.  Evil. :/
1330    {
1331     deempcnt[deemp]++;
1332     Thingo();
1333    }
1334    if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1335    for(x=1,max=0,maxref=0;x<7;x++)
1336    {
1337     if(deempcnt[x]>max)
1338     {
1339      max=deempcnt[x];
1340      maxref=x;
1341     }
1342     deempcnt[x]=0;
1343    }
1344    SetNESDeemph(maxref,0);
1345   }
1346
1347 update:
1348   {
1349    int ssize;
1350
1351    ssize=FlushEmulateSound();
1352
1353    timestampbase += timestamp;
1354    timestamp = 0;
1355
1356    #ifdef FRAMESKIP
1357    if(FSkip)
1358    {
1359     FCEU_PutImageDummy();
1360     FSkip--;
1361     FCEUD_Update(0,WaveFinalMono,ssize);
1362    }
1363    else
1364    #endif
1365    {
1366     FCEU_PutImage();
1367     FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
1368    }
1369   }
1370
1371   if(Exit)
1372   {
1373    CloseGame();
1374    break;
1375   }
1376
1377  } // for
1378 }
1379
1380 #ifdef FPS
1381 #include <sys/time.h>
1382 uint64 frcount;
1383 #endif
1384 void FCEUI_Emulate(void)
1385 {
1386         #ifdef FPS
1387         uint64 starttime,end;
1388         struct timeval tv;
1389         frcount=0;
1390         gettimeofday(&tv,0);
1391         starttime=((uint64)tv.tv_sec*1000000)+tv.tv_usec;
1392         #endif
1393         EmLoop();
1394
1395         #ifdef FPS
1396         // Probably won't work well on Windows port; for
1397         // debugging/speed testing.
1398         {
1399          uint64 w;
1400          int i,frac;
1401          gettimeofday(&tv,0);
1402          end=((uint64)tv.tv_sec*1000000)+tv.tv_usec;
1403          w=frcount*10000000000LL/(end-starttime);
1404          i=w/10000;
1405          frac=w-i*10000;
1406          printf("Average FPS: %d.%04d\n",i,frac);
1407         }
1408         #endif
1409
1410 }
1411
1412 void FCEUI_CloseGame(void)
1413 {
1414         Exit=1;
1415 }
1416
1417 static void ResetPPU(void)
1418 {
1419         VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0;
1420         PPUSPL=0;
1421         PPUGenLatch=0;
1422         RefreshAddr=TempAddr=0;
1423         vtoggle = 0;
1424         ppudead = 2;
1425         kook = 0;
1426 }
1427
1428 static void PowerPPU(void)
1429 {
1430         memset(NTARAM,0x00,0x800);
1431         memset(PALRAM,0x00,0x20);
1432         memset(SPRAM,0x00,0x100);
1433         ResetPPU();
1434 }
1435
1436 void ResetNES(void)
1437 {
1438         if(!GameLoaded || (FCEUGameInfo.type==GIT_NSF)) return;
1439         GameInterface(GI_RESETM2);
1440         ResetSound();
1441         ResetPPU();
1442         X6502_Reset();
1443 }
1444
1445 void PowerNES(void)
1446 {
1447         if(!GameLoaded) return;
1448
1449         FCEU_CheatResetRAM();
1450         FCEU_CheatAddRAM(2,0,RAM);
1451
1452         GeniePower();
1453
1454         memset(RAM,0x00,0x800);
1455         ResetMapping();
1456         GameInterface(GI_POWER);
1457         PowerSound();
1458         PowerPPU();
1459         timestampbase=0;
1460         X6502_Power();
1461 }
1462
1463
1464 /* savestate stuff */
1465 uint16 TempAddrT,RefreshAddrT;
1466
1467 SFORMAT FCEUPPU_STATEINFO[]={
1468  { NTARAM, 0x800, "NTAR"},
1469  { PALRAM, 0x20, "PRAM"},
1470  { SPRAM, 0x100, "SPRA"},
1471  { PPU, 0x4, "PPUR"},
1472  { &XOffset, 1, "XOFF"},
1473  { &vtoggle, 1, "VTOG"},
1474  { &RefreshAddrT, 2|RLSB, "RADD"},
1475  { &TempAddrT, 2|RLSB, "TADD"},
1476  { &VRAMBuffer, 1, "VBUF"},
1477  { &PPUGenLatch, 1, "PGEN"},
1478  // from 0.98.15
1479  { &kook, 1, "KOOK"},
1480  { &ppudead, 1, "DEAD"},
1481  { &PPUSPL, 1, "PSPL"},
1482  { 0 }
1483  };
1484
1485