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 #ifdef GP2X
  57 #include        "drivers/gp2x/asmutils.h"
  58 #endif
  59
  60 #define Pal     (PALRAM)
  61
  62
  63 static void (*RefreshLine)(uint8 *P, uint32 vofs) = NULL;
  64 static void PRefreshLine(void);
  65
  66 static void ResetPPU(void);
  67 static void PowerPPU(void);
  68
  69 uint64 timestampbase=0;
  70
  71 static int ppudead=1;
  72 static int kook=0;
  73
  74 int MMC5Hack;
  75 uint32 MMC5HackVROMMask;
  76 uint8 *MMC5HackExNTARAMPtr;
  77 uint8 *MMC5HackVROMPTR;
  78 uint8 MMC5HackCHRMode=0;
  79 uint8 MMC5HackSPMode;
  80 uint8 MMC5HackSPScroll;
  81 uint8 MMC5HackSPPage;
  82
  83 uint8 *MMC5SPRVPage[8];
  84 uint8 *MMC5BGVPage[8];
  85
  86
  87 uint8 VRAMBuffer,PPUGenLatch;
  88
  89 uint8 *vnapage[4];
  90 uint8 PPUNTARAM;
  91 uint8 PPUCHRRAM;
  92
  93 /* Color deemphasis emulation.  Joy... */
  94 static uint8 deemp=0;
  95 static int deempcnt[8];
  96
  97 int tosprite=256;
  98
  99 FCEUGI FCEUGameInfo;
 100 void (*GameInterface)(int h);
 101
 102 void FP_FASTAPASS(1) (*PPU_hook)(uint32 A);
 103
 104 void (*GameStateRestore)(int version);
 105 void (*GameHBIRQHook)(void), (*GameHBIRQHook2)(void);
 106
 107 readfunc ARead[0x10000];
 108 writefunc BWrite[0x10000];
 109 static readfunc *AReadG;
 110 static writefunc *BWriteG;
 111 static int RWWrap=0;
 112
 113 #ifdef ASM_6502
 114 static void asmcpu_update(int32 cycles)
 115 {
 116  // some code from x6502.c
 117  fhcnt-=cycles;
 118  if(fhcnt<=0)
 119  {
 120   FrameSoundUpdate();
 121   fhcnt+=fhinc;
 122  }
 123
 124  if(PCMIRQCount>0)
 125  {
 126   PCMIRQCount-=cycles;
 127   if(PCMIRQCount<=0)
 128   {
 129    vdis=1;
 130    if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40))
 131    {
 132     extern uint8 SIRQStat;
 133     SIRQStat|=0x80;
 134     X6502_IRQBegin(FCEU_IQDPCM);
 135    }
 136   }
 137  }
 138 }
 139
 140 void asmcpu_unpack(void)
 141 {
 142         nes_registers[0] = X.A << 24;
 143         nes_registers[1] = X.X;
 144         nes_registers[2] = X.Y;
 145         pc_base = 0;
 146         nes_registers[3] = X.PC;
 147         X6502_Rebase_a();
 148         nes_registers[4] = X.S << 24;
 149         nes_registers[4]|= X.IRQlow << 8;
 150         nes_registers[7] = (uint32)X.count << 16;
 151
 152         // NVUB DIZC
 153         nes_registers[4]|= X.P & 0x5d;
 154         nes_registers[5] = X.P << 24; // N
 155         if (!(X.P&0x02)) nes_registers[5] |= 1; // Z
 156 }
 157
 158 void asmcpu_pack(void)
 159 {
 160         X.A = nes_registers[0] >> 24;
 161         X.X = nes_registers[1];
 162         X.Y = nes_registers[2];
 163         X.PC= nes_registers[3] - pc_base;
 164         X.S = nes_registers[4] >> 24;
 165         X.IRQlow = nes_registers[4] >> 8;
 166         X.count = (int32) nes_registers[7] >> 16;
 167
 168         // NVUB DIZC
 169         X.P = nes_registers[4] & 0x5d;
 170         if (  nes_registers[5]&0x80000000)  X.P |= 0x80; // N
 171         if (!(nes_registers[5]&0x000000ff)) X.P |= 0x02; // Z
 172 }
 173 #endif
 174
 175 DECLFW(BNull)
 176 {
 177
 178 }
 179
 180 DECLFR(ANull)
 181 {
 182  return(X.DB);
 183 }
 184
 185 int AllocGenieRW(void)
 186 {
 187  if(!(AReadG=FCEU_malloc(0x8000*sizeof(readfunc))))
 188   return 0;
 189  if(!(BWriteG=FCEU_malloc(0x8000*sizeof(writefunc))))
 190   return 0;
 191  RWWrap=1;
 192  return 1;
 193 }
 194
 195 void FlushGenieRW(void)
 196 {
 197  int32 x;
 198
 199  if(RWWrap)
 200  {
 201   for(x=0;x<0x8000;x++)
 202   {
 203    ARead[x+0x8000]=AReadG[x];
 204    BWrite[x+0x8000]=BWriteG[x];
 205   }
 206 #ifdef ASM_6502
 207   GenieSetPages(1);
 208 #endif
 209   free(AReadG);
 210   free(BWriteG);
 211   AReadG=0;
 212   BWriteG=0;
 213   RWWrap=0;
 214  }
 215 }
 216
 217 readfunc FASTAPASS(1) GetReadHandler(int32 a)
 218 {
 219   if(a>=0x8000 && RWWrap)
 220    return AReadG[a-0x8000];
 221   else
 222    return ARead[a];
 223 }
 224
 225 void FASTAPASS(3) SetReadHandler(int32 start, int32 end, readfunc func)
 226 {
 227   int32 x;
 228
 229   if(!func)
 230    func=ANull;
 231
 232   if(RWWrap)
 233    for(x=end;x>=start;x--)
 234    {
 235     if(x>=0x8000)
 236      AReadG[x-0x8000]=func;
 237     else
 238      ARead[x]=func;
 239    }
 240   else
 241
 242    for(x=end;x>=start;x--)
 243     ARead[x]=func;
 244 }
 245
 246 writefunc FASTAPASS(1) GetWriteHandler(int32 a)
 247 {
 248   if(RWWrap && a>=0x8000)
 249    return BWriteG[a-0x8000];
 250   else
 251    return BWrite[a];
 252 }
 253
 254 void FASTAPASS(3) SetWriteHandler(int32 start, int32 end, writefunc func)
 255 {
 256   int32 x;
 257
 258   if(!func)
 259    func=BNull;
 260
 261   if(RWWrap)
 262    for(x=end;x>=start;x--)
 263    {
 264     if(x>=0x8000)
 265      BWriteG[x-0x8000]=func;
 266     else
 267      BWrite[x]=func;
 268    }
 269   else
 270    for(x=end;x>=start;x--)
 271     BWrite[x]=func;
 272 }
 273
 274 uint8 vtoggle=0;
 275 uint8 XOffset=0;
 276
 277 uint32 TempAddr,RefreshAddr;
 278
 279
 280 /* scanline is equal to the current visible scanline we're on. */
 281
 282 int scanline;
 283
 284 uint8 GameMemBlock[131072] __attribute__ ((aligned (4)));
 285 uint8 NTARAM[0x800] __attribute__ ((aligned (4)));
 286 uint8 PALRAM[0x20] __attribute__ ((aligned (4)));
 287 #if !defined(ASM_6502) || defined(DEBUG_ASM_6502)
 288 uint8 RAM[0x800] __attribute__ ((aligned (4)));
 289 #endif
 290
 291 uint8 PPU[4];
 292 uint8 PPUSPL;
 293
 294 uint8 PAL=0;
 295
 296
 297 #define MMC5BGVRAMADR(V)      &MMC5BGVPage[(V)>>10][(V)]
 298 #define VRAMADR(V)      &VPage[(V)>>10][(V)]
 299
 300 static int linestartts;
 301 static int tofix=0;
 302
 303 static void ResetRL(void)
 304 {
 305  linestartts=timestamp*48+X6502_GetCycleCount();
 306  tofix=1;
 307 }
 308
 309 static INLINE void Fixit1(void);
 310
 311 static void TryFixit1(void)
 312 {
 313  #define TOFIXNUM (272-0x4)
 314  int lastpixel;
 315
 316  if (scanline < 240 && tofix)
 317  {
 318   lastpixel = (timestamp*48-linestartts)>>4;
 319   if (PAL) lastpixel += lastpixel>>4;
 320
 321   //printf("lastpixel: %i\n", lastpixel);
 322
 323   if(lastpixel>=TOFIXNUM)
 324   {
 325    Fixit1();
 326    tofix=0;
 327   }
 328  }
 329 }
 330
 331
 332 static DECLFW(BRAML)
 333 {
 334         RAM[A]=V;
 335 }
 336
 337 static DECLFW(BRAMH)
 338 {
 339         RAM[A&0x7FF]=V;
 340 }
 341
 342 static DECLFR(ARAML)
 343 {
 344         return RAM[A];
 345 }
 346
 347 static DECLFR(ARAMH)
 348 {
 349         return RAM[A&0x7FF];
 350 }
 351
 352
 353 static DECLFR(A2002)
 354 {
 355         /* merged */
 356                         uint8 ret;
 357
 358                         TryFixit1();
 359                         ret = PPU_status;
 360                         ret|=PPUGenLatch&0x1F;
 361                         vtoggle=0;
 362                         PPU_status&=0x7F;
 363                          PPUGenLatch=ret;
 364                         //dprintf("r [2002] %02x",ret);
 365                         return ret;
 366 }
 367
 368 static DECLFR(A200x)
 369 {
 370         /* merged */
 371                         TryFixit1();
 372                         return PPUGenLatch;
 373 }
 374
 375 static DECLFR(A2007)
 376 {
 377         /* merged */
 378                         uint8 ret;
 379                         uint32 tmp=RefreshAddr&0x3FFF;
 380
 381                         TryFixit1();
 382
 383                         ret=VRAMBuffer;
 384
 385                         if(PPU_hook) PPU_hook(tmp);
 386                         PPUGenLatch=VRAMBuffer;
 387                         if(tmp<0x2000)
 388                         {
 389                          VRAMBuffer=VPage[tmp>>10][tmp];
 390                         }
 391                         else
 392                         {
 393                          VRAMBuffer=vnapage[(tmp>>10)&0x3][tmp&0x3FF];
 394                         }
 395
 396                         if (INC32) RefreshAddr+=32;
 397                         else RefreshAddr++;
 398                         if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
 399                         dprintf("r [2007] %02x",ret);
 400                         return ret;
 401 }
 402
 403 static DECLFW(B2000)
 404 {
 405         /* NMI2? */
 406                 TryFixit1();
 407                 PPUGenLatch=V;
 408                 PPU[0]=V;
 409                 TempAddr&=0xF3FF;
 410                 TempAddr|=(V&3)<<10;
 411 }
 412
 413 static DECLFW(B2001)
 414 {
 415         /* merged */
 416                   TryFixit1();
 417                   PPUGenLatch=V;
 418                   PPU[1]=V;
 419                   if(V&0xE0)
 420                    deemp=V>>5;
 421                   //printf("$%04x:$%02x, %d\n",X.PC,V,scanline);
 422 }
 423
 424 static DECLFW(B2002)
 425 {
 426         /* merged */
 427                  PPUGenLatch=V;
 428 }
 429
 430 static DECLFW(B2003)
 431 {
 432         /* merged */
 433                 PPUGenLatch=V;
 434                 PPU[3]=V;
 435                 PPUSPL=V&0x7;
 436 }
 437
 438 static DECLFW(B2004)
 439 {
 440         /* merged */
 441                 PPUGenLatch=V;
 442                 if(PPUSPL>=8)
 443                 {
 444                  if(PPU[3]>=8)
 445                   SPRAM[PPU[3]]=V;
 446                 }
 447                 else
 448                 {
 449                  //printf("$%02x:$%02x\n",PPUSPL,V);
 450                  SPRAM[PPUSPL]=V;
 451                 }
 452                 PPU[3]++;
 453                 PPUSPL++;
 454
 455 }
 456
 457 static DECLFW(B2005)
 458 {
 459         /* merged */
 460                 uint32 tmp=TempAddr;
 461                 TryFixit1();
 462                 PPUGenLatch=V;
 463                 if (!vtoggle)
 464                 {
 465                  tmp&=0xFFE0;
 466                  tmp|=V>>3;
 467                  XOffset=V&7;
 468                 }
 469                 else
 470                 {
 471                  tmp&=0x8C1F;
 472                  tmp|=((V&~0x7)<<2);
 473                  tmp|=(V&7)<<12;
 474                 }
 475
 476                 TempAddr=tmp;
 477                 vtoggle^=1;
 478 }
 479
 480 static DECLFW(B2006)
 481 {
 482         /* merged */
 483                        TryFixit1();
 484
 485                        PPUGenLatch=V;
 486                        if(!vtoggle)
 487                        {
 488                         TempAddr&=0x00FF;
 489                         TempAddr|=(V&0x3f)<<8;
 490                        }
 491                        else
 492                        {
 493                         TempAddr&=0xFF00;
 494                         TempAddr|=V;
 495
 496                         RefreshAddr=TempAddr;
 497                         if(PPU_hook)
 498                          PPU_hook(RefreshAddr);
 499                        }
 500                       vtoggle^=1;
 501 }
 502
 503 static DECLFW(B2007)
 504 {
 505         /* merged */
 506                         uint32 tmp=RefreshAddr&0x3FFF;
 507                         PPUGenLatch=V;
 508                         if(tmp>=0x3F00)
 509                         {
 510                          // hmmm....
 511                          if(!(tmp&0xf))
 512                           PALRAM[0x00]=PALRAM[0x04]=PALRAM[0x08]=PALRAM[0x0C]=V&0x3f;
 513                          else if(tmp&3) PALRAM[(tmp&0x1f)]=V&0x3f;
 514                         }
 515                         else if(tmp<0x2000)
 516                         {
 517                           if(PPUCHRRAM&(1<<(tmp>>10)))
 518                             VPage[tmp>>10][tmp]=V;
 519                         }
 520                         else
 521                         {
 522                          if(PPUNTARAM&(1<<((tmp&0xF00)>>10)))
 523                           vnapage[((tmp&0xF00)>>10)][tmp&0x3FF]=V;
 524                         }
 525                         if (INC32) RefreshAddr+=32;
 526                         else RefreshAddr++;
 527                         if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
 528 }
 529
 530 static DECLFW(B4014)
 531 {
 532         uint32 t=V<<8;
 533         int x;
 534
 535         for(x=0;x<256;x++)
 536          B2004(0x2004,X.DB=ARead[t+x](t+x));
 537         X6502_AddCycles(512);
 538 }
 539
 540 void BGRender(uint8 *target)
 541 {
 542         uint32 tem, vofs;
 543         vofs=((PPU[0]&0x10)<<8) | ((RefreshAddr>>12)&7);
 544
 545         Pal[0]|=64;
 546         Pal[4]|=64;
 547         Pal[8]|=64;
 548         Pal[0xC]|=64;
 549         RefreshLine(target-XOffset, vofs);
 550         Pal[0]&=63;
 551         Pal[4]&=63;
 552         Pal[8]&=63;
 553         Pal[0xC]&=63;
 554
 555         if(!(PPU[1]&2))
 556         {
 557          tem=Pal[0]|0x40;
 558          tem|=tem<<8;
 559          tem|=tem<<16;
 560          *(uint32 *)target=*(uint32 *)(target+4)=tem;
 561         }
 562 }
 563
 564 #ifdef FRAMESKIP
 565 int FSkip=0;
 566 void FCEUI_FrameSkip(int x)
 567 {
 568  FSkip=x;
 569 }
 570 #endif
 571
 572 /*      This is called at the beginning of each visible scanline */
 573 static void Loop6502(void)
 574 {
 575         uint32 tem;
 576         int x;
 577         uint8 *target=XBuf+scanline*320+32;
 578
 579         if(ScreenON || SpriteON)
 580         {
 581          /* PRefreshLine() will not get called on skipped frames.  This
 582             could cause a problem, but the solution would be rather complex,
 583             due to the current sprite 0 hit code.
 584          */
 585          #ifdef FRAMESKIP
 586          if(!FSkip)
 587          {
 588          #endif
 589           if(ScreenON)
 590           {
 591            if(scanline>=FSettings.FirstSLine && scanline<=FSettings.LastSLine)
 592             BGRender(target);
 593            else
 594            {
 595             if(PPU_hook)
 596              PRefreshLine();
 597            }
 598           }
 599           else
 600           {
 601            tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24);
 602            tem|=0x40404040;
 603            FCEU_dwmemset(target,tem,264);
 604           }
 605          #ifdef FRAMESKIP
 606          }
 607          #endif
 608          if (SpriteON && scanline)
 609           RefreshSprite(target);
 610          #ifdef FRAMESKIP
 611          if(!FSkip)
 612          {
 613          #endif
 614           if(PPU[1]&0x01)
 615           {
 616            for(x=63;x>=0;x--)
 617             ((uint32 *)target)[x]=((uint32*)target)[x]&0xF0F0F0F0;
 618           }
 619 #ifdef GP2X
 620            if((PPU[1]>>5)==0x7) block_or(target, 256, 0xc0);
 621            else if(PPU[1]&0xE0) block_andor(target, 256, 0x3f, 0x40);
 622            else                 block_andor(target, 256, 0x3f, 0x80);
 623 #else
 624            if((PPU[1]>>5)==0x7)
 625             for(x=63;x>=0;x--)
 626              ((uint32 *)target)[x]=(((uint32*)target)[x])|0xc0c0c0c0;
 627            else if(PPU[1]&0xE0)
 628             for(x=63;x>=0;x--)
 629              ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x40404040;
 630            else
 631             for(x=63;x>=0;x--)
 632              ((uint32 *)target)[x]=(((uint32*)target)[x]&0x3f3f3f3f)|0x80808080;
 633 #endif
 634           // black borders
 635           ((uint32 *)target)[-2]=((uint32 *)target)[-1]=0;
 636           ((uint32 *)target)[64]=((uint32 *)target)[65]=0;
 637          #ifdef FRAMESKIP
 638          }
 639          #endif
 640         }
 641         else
 642         {
 643          tem=Pal[0]|(Pal[0]<<8)|(Pal[0]<<16)|(Pal[0]<<24);
 644          FCEU_dwmemset(target,tem,256);
 645         }
 646         if(InputScanlineHook)
 647          InputScanlineHook(target, scanline);
 648 }
 649
 650 #define PAL(c)  ((c)+cc)
 651
 652
 653 static void PRefreshLine(void)
 654 {
 655         uint32 vofs;
 656         uint8 X1;
 657
 658         vofs = 0;
 659         if (BGAdrHI) vofs = 0x1000;
 660
 661         vofs+=(RefreshAddr>>12)&7;
 662
 663         for(X1=33;X1;X1--)
 664         {
 665                 register uint8 no;
 666                 register uint8 zz2;
 667                 zz2=(uint8)((RefreshAddr>>10)&3);
 668                 PPU_hook(0x2000|(RefreshAddr&0xFFF));
 669                 no  = vnapage[zz2][(RefreshAddr&0x3ff)];
 670                 PPU_hook((no<<4)+vofs);
 671                 if((RefreshAddr&0x1f)==0x1f)
 672                  RefreshAddr^=0x41F;
 673                 else
 674                  RefreshAddr++;
 675         }
 676 }
 677
 678 /* This high-level graphics MMC5 emulation code was written
 679    for MMC5 carts in "CL" mode.  It's probably not totally
 680    correct for carts in "SL" mode.
 681    */
 682 static void RefreshLine_MMC5Hack1(uint8 *P, uint32 vofs)
 683 {
 684           int8 tochange, X1;
 685
 686           tochange=MMC5HackSPMode&0x1F;
 687
 688           for(X1=33;X1;X1--,P+=8)
 689           {
 690                 uint8 *C;
 691                 uint8 cc,zz,zz2;
 692                 uint32 vadr;
 693
 694                 if((tochange<=0 && MMC5HackSPMode&0x40) ||
 695                    (tochange>0 && !(MMC5HackSPMode&0x40)))
 696                 {
 697                  uint8 xs,ys;
 698
 699                  xs=33-X1;
 700                  ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
 701                  if(ys>=0x1E) ys-=0x1E;
 702                  vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
 703
 704                  C = MMC5HackVROMPTR+vadr;
 705                  C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
 706
 707                  cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
 708                  cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
 709                 }
 710                 else
 711                 {
 712                  zz=RefreshAddr&0x1F;
 713                  zz2=(RefreshAddr>>10)&3;
 714                  vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
 715                  C = MMC5BGVRAMADR(vadr);
 716                  cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
 717                  cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
 718                 }
 719                 #include "fceline.h"
 720
 721                 if((RefreshAddr&0x1f)==0x1f)
 722                  RefreshAddr^=0x41F;
 723                 else
 724                  RefreshAddr++;
 725                 tochange--;
 726           }
 727 }
 728
 729 static void RefreshLine_MMC5Hack2(uint8 *P, uint32 vofs)
 730 {
 731           int8 tochange, X1;
 732
 733           tochange=MMC5HackSPMode&0x1F;
 734
 735           for(X1=33;X1;X1--,P+=8)
 736           {
 737                 uint8 *C;
 738                 uint8 cc;
 739                 uint8 zz2;
 740                 uint32 vadr;
 741
 742                 if((tochange<=0 && MMC5HackSPMode&0x40) ||
 743                    (tochange>0 && !(MMC5HackSPMode&0x40)))
 744                 {
 745                  uint8 xs,ys;
 746
 747                  xs=33-X1;
 748                  ys=((scanline>>3)+MMC5HackSPScroll)&0x1F;
 749                  if(ys>=0x1E) ys-=0x1E;
 750                  vadr=(MMC5HackExNTARAMPtr[xs|(ys<<5)]<<4)+(vofs&7);
 751
 752                  C = MMC5HackVROMPTR+vadr;
 753                  C += ((MMC5HackSPPage & 0x3f & MMC5HackVROMMask) << 12);
 754
 755                  cc=MMC5HackExNTARAMPtr[0x3c0+(xs>>2)+((ys&0x1C)<<1)];
 756                  cc=((cc >> ((xs&2) + ((ys&0x2)<<1))) &3) <<2;
 757                 }
 758                 else
 759                 {
 760                  C=MMC5HackVROMPTR;
 761                  zz2=(RefreshAddr>>10)&3;
 762                  vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
 763                  C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
 764                          MMC5HackVROMMask) << 12) + (vadr & 0xfff);
 765                  vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
 766                  cc = vadr;
 767                 }
 768                 #include "fceline.h"
 769                 if((RefreshAddr&0x1f)==0x1f)
 770                  RefreshAddr^=0x41F;
 771                 else
 772                  RefreshAddr++;
 773                 tochange--;
 774           }
 775 }
 776
 777 static void RefreshLine_MMC5Hack3(uint8 *P, uint32 vofs)
 778 {
 779           int8 X1;
 780
 781           for(X1=33;X1;X1--,P+=8)
 782           {
 783                 uint8 *C;
 784                 uint8 cc;
 785                 uint8 zz2;
 786                 uint32 vadr;
 787
 788                 C=MMC5HackVROMPTR;
 789                 zz2=(RefreshAddr>>10)&3;
 790                 vadr = (vnapage[zz2][RefreshAddr & 0x3ff] << 4) + vofs;
 791                 C += (((MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff]) & 0x3f &
 792                         MMC5HackVROMMask) << 12) + (vadr & 0xfff);
 793                 vadr = (MMC5HackExNTARAMPtr[RefreshAddr & 0x3ff] & 0xC0)>> 4;
 794                 cc = vadr;
 795
 796                 #include "fceline.h"
 797                 if((RefreshAddr&0x1f)==0x1f)
 798                  RefreshAddr^=0x41F;
 799                 else
 800                  RefreshAddr++;
 801           }
 802 }
 803
 804 static void RefreshLine_MMC5Hack4(uint8 *P, uint32 vofs)
 805 {
 806           int8 X1;
 807
 808           for(X1=33;X1;X1--,P+=8)
 809           {
 810                 uint8 *C;
 811                 uint8 cc,zz,zz2;
 812                 uint32 vadr;
 813
 814                 zz=RefreshAddr&0x1F;
 815                 zz2=(RefreshAddr>>10)&3;
 816                 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
 817                 C = MMC5BGVRAMADR(vadr);
 818                 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
 819                 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
 820
 821                 #include "fceline.h"
 822
 823                 if((RefreshAddr&0x1f)==0x1f)
 824                  RefreshAddr^=0x41F;
 825                 else
 826                  RefreshAddr++;
 827           }
 828 }
 829
 830 static void RefreshLine_PPU_hook(uint8 *P, uint32 vofs)
 831 {
 832          int8 X1;
 833
 834          for(X1=33;X1;X1--,P+=8)
 835          {
 836                 uint8 *C;
 837                 uint8 cc,zz,zz2;
 838                 uint32 vadr;
 839
 840                 zz=RefreshAddr&0x1F;
 841                 zz2=(RefreshAddr>>10)&3;
 842                 PPU_hook(0x2000|(RefreshAddr&0xFFF));
 843                 cc=vnapage[zz2][0x3c0+(zz>>2)+((RefreshAddr&0x380)>>4)];
 844                 cc=((cc >> ((zz&2) + ((RefreshAddr&0x40)>>4))) &3) <<2;
 845                 vadr=(vnapage[zz2][RefreshAddr&0x3ff]<<4)+vofs;
 846                 C = VRAMADR(vadr);
 847
 848                 #include "fceline.h"
 849
 850                 PPU_hook(vadr);
 851
 852                 if((RefreshAddr&0x1f)==0x1f)
 853                  RefreshAddr^=0x41F;
 854                 else
 855                  RefreshAddr++;
 856          }
 857 }
 858
 859 static void RefreshLine_normal(uint8 *P, uint32 vofs) // vofs is 0x107 max
 860 {
 861          int8 X1;
 862          uint32 rfraddr = RefreshAddr;
 863          uint8 *page = vnapage[(rfraddr>>10)&3];
 864          uint32 cc2=0;
 865
 866          if ((rfraddr&0xc)!=0)
 867           cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
 868
 869          for (X1=33;X1;X1--,P+=8)
 870          {
 871                 uint8 cc,*C;
 872                 uint32 vadr;
 873
 874                 vadr=(page[rfraddr&0x3ff]<<4)+vofs;
 875                 C = VRAMADR(vadr);
 876                 if ((rfraddr&0xc)==0)
 877                  cc2=*(uint32 *) (page + ((rfraddr&0x380)>>4) + ((rfraddr&0x10)>>2) + 0x3c0);
 878                 cc=((cc2 >> ((rfraddr&2) + ((rfraddr&0x40)>>4) + ((rfraddr&0xc)<<1))) & 3) << 2;
 879
 880                 #include "fceline.h"
 881
 882                 if((rfraddr&0x1f)==0x1f) {
 883                  rfraddr^=0x41F;
 884                  page = vnapage[(rfraddr>>10)&3];
 885                 } else
 886                  rfraddr++;
 887          }
 888          RefreshAddr = rfraddr;
 889 }
 890
 891 static void SetRefreshLine(void)
 892 {
 893         if(MMC5Hack && geniestage!=1)
 894         {
 895          if(MMC5HackCHRMode==0 && (MMC5HackSPMode&0x80))
 896          {
 897                  if (RefreshLine != RefreshLine_MMC5Hack1) printf("set refr RefreshLine_MMC5Hack1\n");
 898                  RefreshLine = RefreshLine_MMC5Hack1;
 899          }
 900          else if(MMC5HackCHRMode==1 && (MMC5HackSPMode&0x80))
 901          {
 902                 if (RefreshLine != RefreshLine_MMC5Hack2) printf("set refr RefreshLine_MMC5Hack2\n");
 903                  RefreshLine = RefreshLine_MMC5Hack2;
 904          }
 905          else if(MMC5HackCHRMode==1)
 906          {
 907                 if (RefreshLine != RefreshLine_MMC5Hack3) printf("set refr RefreshLine_MMC5Hack3\n");
 908                  RefreshLine = RefreshLine_MMC5Hack3;
 909          }
 910          else
 911          {
 912                 if (RefreshLine != RefreshLine_MMC5Hack4) printf("set refr RefreshLine_MMC5Hack4\n");
 913                  RefreshLine = RefreshLine_MMC5Hack4;
 914          }
 915         }       // End if(MMC5Hack)
 916         else if(PPU_hook)
 917         {
 918                 if (RefreshLine != RefreshLine_PPU_hook) printf("set refr RefreshLine_PPU_hook\n");
 919                 RefreshLine = RefreshLine_PPU_hook;
 920         }
 921         else
 922         {
 923                 if (RefreshLine != RefreshLine_normal) printf("set refr RefreshLine_normal\n");
 924                 RefreshLine = RefreshLine_normal;
 925         }
 926 }
 927
 928 static INLINE
 929 void Fixit2(void)
 930 {
 931    if(ScreenON || SpriteON)
 932    {
 933     uint32 rad=RefreshAddr;
 934     rad&=0xFBE0;
 935     rad|=TempAddr&0x041f;
 936     RefreshAddr=rad;
 937     //PPU_hook(RefreshAddr,-1);
 938    }
 939 }
 940
 941 static INLINE
 942 void Fixit1(void)
 943 {
 944    if(ScreenON || SpriteON)
 945    {
 946     uint32 rad=RefreshAddr;
 947
 948     if((rad&0x7000)==0x7000)
 949     {
 950      rad^=0x7000;
 951      if((rad&0x3E0)==0x3A0)
 952      {
 953       rad^=0x3A0;
 954       rad^=0x800;
 955      }
 956      else
 957      {
 958       if((rad&0x3E0)==0x3e0)
 959        rad^=0x3e0;
 960       else rad+=0x20;
 961      }
 962     }
 963     else
 964      rad+=0x1000;
 965     RefreshAddr=rad;
 966     //PPU_hook(RefreshAddr,-1);
 967    }
 968 }
 969
 970
 971 /*      This is called at the beginning of all h-blanks on visible lines. */
 972 static void DoHBlank(void)
 973 {
 974  if(ScreenON || SpriteON)
 975   FetchSpriteData();
 976  if(GameHBIRQHook && (ScreenON || SpriteON) && ((PPU[0]&0x38)!=0x18))
 977  {
 978   X6502_Run(6);
 979   Fixit2();
 980   X6502_Run(4);
 981   GameHBIRQHook();
 982   X6502_Run(85-16-10);
 983  }
 984  else
 985  {
 986   X6502_Run(6);  // Tried 65, caused problems with Slalom(maybe others)
 987   Fixit2();
 988   X6502_Run(85-6-16);
 989  }
 990  if(GameHBIRQHook2 && (ScreenON || SpriteON))
 991   GameHBIRQHook2();
 992  //PPU_hook(0,-1);
 993  //fprintf(stderr,"%3d: $%04x\n",scanline,RefreshAddr);
 994  scanline++;
 995  if (scanline<240)
 996   ResetRL();
 997  X6502_Run(16);
 998 }
 999
1000
1001 // ============================//
1002 // end of new code
1003 // ===========================//
1004
1005 void ResetMapping(void)
1006 {
1007         int x;
1008
1009         SetReadHandler(0x0000,0xFFFF,ANull);
1010         SetWriteHandler(0x0000,0xFFFF,BNull);
1011
1012         SetReadHandler(0,0x7FF,ARAML);
1013         SetWriteHandler(0,0x7FF,BRAML);
1014
1015         SetReadHandler(0x800,0x1FFF,ARAMH);  /* Part of a little */
1016         SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
1017
1018         for(x=0x2000;x<0x4000;x+=8)
1019         {
1020          ARead[x]=A200x;
1021          BWrite[x]=B2000;
1022          ARead[x+1]=A200x;
1023          BWrite[x+1]=B2001;
1024          ARead[x+2]=A2002;
1025          BWrite[x+2]=B2002;
1026          ARead[x+3]=A200x;
1027          BWrite[x+3]=B2003;
1028          ARead[x+4]=A200x;
1029          BWrite[x+4]=B2004;
1030          ARead[x+5]=A200x;
1031          BWrite[x+5]=B2005;
1032          ARead[x+6]=A200x;
1033          BWrite[x+6]=B2006;
1034          ARead[x+7]=A2007;
1035          BWrite[x+7]=B2007;
1036         }
1037
1038         BWrite[0x4014]=B4014;
1039         SetNESSoundMap();
1040         InitializeInput();
1041 }
1042
1043 int GameLoaded=0;
1044 void CloseGame(void)
1045 {
1046  if(GameLoaded)
1047  {
1048   if(FCEUGameInfo.type!=GIT_NSF)
1049    FCEU_FlushGameCheats(0,0);
1050   #ifdef NETWORK
1051   if(FSettings.NetworkPlay) KillNetplay();
1052   #endif
1053   GameInterface(GI_CLOSE);
1054   CloseGenie();
1055   GameLoaded=0;
1056  }
1057 }
1058
1059 void ResetGameLoaded(void)
1060 {
1061         if(GameLoaded) CloseGame();
1062         GameStateRestore=0;
1063         PPU_hook=0;
1064         GameHBIRQHook=GameHBIRQHook2=0;
1065         GameExpSound.Fill=0;
1066         GameExpSound.RChange=0;
1067         if(GameExpSound.Kill)
1068          GameExpSound.Kill();
1069         GameExpSound.Kill=0;
1070         MapIRQHook=0;
1071         MMC5Hack=0;
1072         PAL&=1;
1073         pale=0;
1074
1075         FCEUGameInfo.name=0;
1076         FCEUGameInfo.type=GIT_CART;
1077         FCEUGameInfo.vidsys=GIV_USER;
1078         FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=-1;
1079         FCEUGameInfo.inputfc=-1;
1080 }
1081
1082 char lastLoadedGameName [2048];
1083 int UNIFLoad(const char *name, int fp);
1084 int iNESLoad(const char *name, int fp);
1085 int FDSLoad(const char *name, int fp);
1086 int NSFLoad(int fp);
1087
1088 FCEUGI *FCEUI_LoadGame(char *name)
1089 {
1090         char name2[512];
1091         int have_movie = 0;
1092         int fp;
1093
1094         //Exit=1;
1095         ResetGameLoaded();
1096
1097         strncpy(name2, name, sizeof(name2));
1098         name2[sizeof(name2)-1] = 0;
1099
1100         fp=FCEU_fopen(name2,"rb");
1101         if(!fp)
1102         {
1103          FCEU_PrintError("Error opening \"%s\"!",name);
1104          return 0;
1105         }
1106
1107         {
1108          char *p = name2 + strlen(name2) - 4;
1109          if (strcmp(p, ".fcm") == 0)
1110          {
1111           // movie detected
1112           printf("movie detected\n");
1113           FCEU_fclose(fp);
1114           *p = 0;
1115           fp=FCEU_fopen(name2,"rb");
1116           if (!fp && p - name2 > 2)  p[-2] = 0;
1117           fp=FCEU_fopen(name2,"rb");
1118           if (!fp) {
1119            printf("no ROM for movie\n");
1120            return 0;
1121           }
1122           have_movie = 1;
1123          }
1124         }
1125
1126         strcpy(lastLoadedGameName, name2);
1127
1128         GetFileBase(name2);
1129         if(iNESLoad(name2,fp))
1130          goto endlseq;
1131         if(NSFLoad(fp))
1132          goto endlseq;
1133         if(FDSLoad(name2,fp))
1134          goto endlseq;
1135         if(UNIFLoad(name2,fp))
1136          goto endlseq;
1137
1138         FCEU_PrintError("An error occurred while loading the file.");
1139         FCEU_fclose(fp);
1140         return 0;
1141
1142         endlseq:
1143         FCEU_fclose(fp);
1144         GameLoaded=1;
1145
1146         FCEU_ResetVidSys();
1147         if(FCEUGameInfo.type!=GIT_NSF)
1148          if(FSettings.GameGenie)
1149           OpenGenie();
1150
1151         PowerNES();
1152         #ifdef NETWORK
1153         if(FSettings.NetworkPlay) InitNetplay();
1154         #endif
1155         SaveStateRefresh();
1156         if(FCEUGameInfo.type!=GIT_NSF)
1157         {
1158          FCEU_LoadGamePalette();
1159          FCEU_LoadGameCheats(0);
1160         }
1161
1162         FCEU_ResetPalette();
1163         Exit=0;
1164
1165         if (have_movie)
1166                 FCEUI_LoadMovie(name, 1);
1167         return(&FCEUGameInfo);
1168 }
1169
1170
1171 void FCEU_ResetVidSys(void)
1172 {
1173  int w;
1174
1175  if(FCEUGameInfo.vidsys==GIV_NTSC)
1176   w=0;
1177  else if(FCEUGameInfo.vidsys==GIV_PAL)
1178   w=1;
1179  else
1180   w=FSettings.PAL;
1181
1182  if(w)
1183  {
1184   PAL=1;
1185   FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
1186   FSettings.LastSLine=FSettings.UsrLastSLine[1];
1187  }
1188  else
1189  {
1190   PAL=0;
1191   FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
1192   FSettings.LastSLine=FSettings.UsrLastSLine[0];
1193  }
1194  printf("ResetVidSys: PAL = %i\n", PAL);
1195  SetSoundVariables();
1196 }
1197
1198 int FCEUI_Initialize(void)
1199 {
1200         if(!InitVirtualVideo())
1201          return 0;
1202         memset(&FSettings,0,sizeof(FSettings));
1203         FSettings.UsrFirstSLine[0]=8;
1204         FSettings.UsrFirstSLine[1]=0;
1205         FSettings.UsrLastSLine[0]=FSettings.UsrLastSLine[1]=239;
1206         FSettings.SoundVolume=100;
1207         return 1;
1208 }
1209
1210 void MMC5_hb(int);     /* Ugh ugh ugh. */
1211 static INLINE void Thingo(void)
1212 {
1213    Loop6502();
1214
1215    if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1216
1217    // check: Battletoads & Double Dragon
1218    if(tosprite>=256)
1219    {
1220     X6502_Run(256);
1221    }
1222    else
1223    {
1224      // sky glitches in SMB1 if done wrong
1225      X6502_Run(tosprite);
1226      PPU[2]|=0x40;
1227      X6502_Run(256-tosprite);
1228      tosprite = 256;
1229    }
1230    TryFixit1();
1231    DoHBlank();
1232 }
1233
1234 void EmLoop(void)
1235 {
1236  for(;;)
1237  {
1238   int x;
1239   uint32 scanlines_per_frame = PAL ? 312 : 262;
1240   UpdateInput();
1241   FCEU_ApplyPeriodicCheats();
1242
1243   // FCEUPPU_Loop:
1244   if(ppudead) /* Needed for Knight Rider, possibly others. */
1245   {
1246    //memset(XBuf, 0, 320*240);
1247    X6502_Run(scanlines_per_frame*(256+85));
1248    ppudead--;
1249    goto update;
1250   }
1251
1252   X6502_Run(256+85);
1253
1254   PPU[2]|=0x80;
1255   PPU[3]=PPUSPL=0;             /* Not sure if this is correct.  According
1256                                   to Matt Conte and my own tests, it is.  Timing is probably
1257                                   off, though.  NOTE:  Not having this here
1258                                   breaks a Super Donkey Kong game. */
1259
1260   X6502_Run(12);                /* I need to figure out the true nature and length
1261                                    of this delay.
1262                                 */
1263   if(FCEUGameInfo.type==GIT_NSF)
1264    DoNSFFrame();
1265   else if(VBlankON)
1266    TriggerNMI();
1267
1268   // Note: this is needed for asm core
1269   // Warning: using 'scanline' var here breaks Castlevania III
1270   {
1271    int lines;
1272    X6502_Run(256+85-12);
1273    for (lines=scanlines_per_frame-242-1;lines;lines--)
1274      X6502_Run(256+85);
1275   }
1276   // X6502_Run((scanlines_per_frame-242)*(256+85)-12);
1277   PPU_status&=0x1f;
1278   X6502_Run(256);
1279
1280   {
1281    if(ScreenON || SpriteON)
1282    {
1283     if(GameHBIRQHook)
1284      GameHBIRQHook();
1285      if(PPU_hook)
1286       for(x=0;x<42;x++) {PPU_hook(0x2000); PPU_hook(0);} // ugh
1287     if(GameHBIRQHook2)
1288      GameHBIRQHook2();
1289    }
1290
1291    X6502_Run(85-16);
1292
1293    if(ScreenON || SpriteON)
1294    {
1295     RefreshAddr=TempAddr;
1296     if(PPU_hook) PPU_hook(RefreshAddr&0x3fff);
1297    }
1298    ResetRL();
1299
1300    X6502_Run(16-kook);
1301    kook ^= 1;
1302   }
1303
1304   if(FCEUGameInfo.type==GIT_NSF)
1305   {
1306    // run scanlines for asm core to fuction
1307    for(scanline=0;scanline<240;scanline++)
1308     X6502_Run(256+85);
1309   }
1310   else
1311   {
1312    int x,max,maxref;
1313
1314    deemp=PPU[1]>>5;
1315    SetRefreshLine();
1316    for(scanline=0;scanline<240;)       // scanline is incremented in  DoLine.  Evil. :/
1317    {
1318     deempcnt[deemp]++;
1319     Thingo();
1320    }
1321    if(MMC5Hack && (ScreenON || SpriteON)) MMC5_hb(scanline);
1322    for(x=1,max=0,maxref=0;x<7;x++)
1323    {
1324     if(deempcnt[x]>max)
1325     {
1326      max=deempcnt[x];
1327      maxref=x;
1328     }
1329     deempcnt[x]=0;
1330    }
1331    SetNESDeemph(maxref,0);
1332   }
1333
1334 update:
1335   {
1336    int ssize;
1337
1338    ssize=FlushEmulateSound();
1339
1340    timestampbase += timestamp;
1341    timestamp = 0;
1342
1343    #ifdef FRAMESKIP
1344    if(FSkip)
1345    {
1346     FCEU_PutImageDummy();
1347     FSkip--;
1348     FCEUD_Update(0,WaveFinalMono,ssize);
1349    }
1350    else
1351    #endif
1352    {
1353     FCEU_PutImage();
1354     FCEUD_Update(XBuf+8,WaveFinalMono,ssize);
1355    }
1356   }
1357
1358   if(Exit)
1359   {
1360    //CloseGame();
1361    break;
1362   }
1363
1364  } // for
1365 }
1366
1367 #ifdef FPS
1368 #include <sys/time.h>
1369 uint64 frcount;
1370 #endif
1371 void FCEUI_Emulate(void)
1372 {
1373         #ifdef FPS
1374         uint64 starttime,end;
1375         struct timeval tv;
1376         frcount=0;
1377         gettimeofday(&tv,0);
1378         starttime=((uint64)tv.tv_sec*1000000)+tv.tv_usec;
1379         #endif
1380         EmLoop();
1381
1382         #ifdef FPS
1383         // Probably won't work well on Windows port; for
1384         // debugging/speed testing.
1385         {
1386          uint64 w;
1387          int i,frac;
1388          gettimeofday(&tv,0);
1389          end=((uint64)tv.tv_sec*1000000)+tv.tv_usec;
1390          w=frcount*10000000000LL/(end-starttime);
1391          i=w/10000;
1392          frac=w-i*10000;
1393          printf("Average FPS: %d.%04d\n",i,frac);
1394         }
1395         #endif
1396
1397 }
1398
1399 void FCEUI_CloseGame(void)
1400 {
1401         Exit=1;
1402 }
1403
1404 static void ResetPPU(void)
1405 {
1406         VRAMBuffer=PPU[0]=PPU[1]=PPU[2]=PPU[3]=0;
1407         PPUSPL=0;
1408         PPUGenLatch=0;
1409         RefreshAddr=TempAddr=0;
1410         vtoggle = 0;
1411         ppudead = 2;
1412         kook = 0;
1413 }
1414
1415 static void PowerPPU(void)
1416 {
1417         memset(NTARAM,0x00,0x800);
1418         memset(PALRAM,0x00,0x20);
1419         memset(SPRAM,0x00,0x100);
1420         ResetPPU();
1421 }
1422
1423 void ResetNES(void)
1424 {
1425         if(!GameLoaded) return;
1426         GameInterface(GI_RESETM2);
1427         ResetSound();
1428         ResetPPU();
1429         X6502_Reset();
1430 }
1431
1432 static void FCEU_MemoryRand(uint8 *ptr, uint32 size)
1433 {
1434  int x=0;
1435  while(size)
1436  {
1437   *ptr=(x&4)?0xFF:0x00;
1438   x++;
1439   size--;
1440   ptr++;
1441  }
1442 }
1443
1444 void PowerNES(void)
1445 {
1446         if(!GameLoaded) return;
1447
1448         FCEU_CheatResetRAM();
1449         FCEU_CheatAddRAM(2,0,RAM);
1450
1451         GeniePower();
1452
1453 #ifndef DEBUG_ASM_6502
1454         FCEU_MemoryRand(RAM,0x800);
1455 #else
1456         memset(RAM,0x00,0x800);
1457 #endif
1458         ResetMapping();
1459         GameInterface(GI_POWER);
1460         PowerSound();
1461         PowerPPU();
1462         timestampbase=0;
1463 #ifdef ASM_6502
1464         if (geniestage)
1465          GenieSetPages(0);
1466 #endif
1467         X6502_Power();
1468 }
1469
1470
1471 /* savestate stuff */
1472 uint16 TempAddrT,RefreshAddrT;
1473
1474 SFORMAT FCEUPPU_STATEINFO[]={
1475  { NTARAM, 0x800, "NTAR"},
1476  { PALRAM, 0x20, "PRAM"},
1477  { SPRAM, 0x100, "SPRA"},
1478  { PPU, 0x4, "PPUR"},
1479  { &XOffset, 1, "XOFF"},
1480  { &vtoggle, 1, "VTOG"},
1481  { &RefreshAddrT, 2|RLSB, "RADD"},
1482  { &TempAddrT, 2|RLSB, "TADD"},
1483  { &VRAMBuffer, 1, "VBUF"},
1484  { &PPUGenLatch, 1, "PGEN"},
1485  // from 0.98.15
1486  { &kook, 1, "KOOK"},
1487  { &ppudead, 1, "DEAD"},
1488  { &PPUSPL, 1, "PSPL"},
1489  { 0 }
1490  };
1491
1492