| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2002 Ben Parnell |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | /* TODO: Add (better) file io error checking */ |
| 22 | /* TODO: Change save state file format. */ |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <string.h> |
| 27 | #ifdef GP2X |
| 28 | #include <unistd.h> |
| 29 | #endif |
| 30 | |
| 31 | #include "types.h" |
| 32 | #include "x6502.h" |
| 33 | #include "version.h" |
| 34 | #include "fce.h" |
| 35 | #include "sound.h" |
| 36 | #include "sound098.h" |
| 37 | #define INESPRIV // Take this out when old save state support is removed in a future version. |
| 38 | #include "ines.h" |
| 39 | #include "svga.h" |
| 40 | #include "endian.h" |
| 41 | #include "fds.h" |
| 42 | #include "general.h" |
| 43 | #include "state.h" |
| 44 | #include "memory.h" |
| 45 | #include "ppu.h" |
| 46 | |
| 47 | static void (*SPreSave)(void) = 0; |
| 48 | static void (*SPostSave)(void) = 0; |
| 49 | |
| 50 | #define SFMDATA_SIZE (64) |
| 51 | static SFORMAT SFMDATA[SFMDATA_SIZE]; |
| 52 | static int SFEXINDEX; |
| 53 | static int stateversion; |
| 54 | |
| 55 | extern SFORMAT FCEUPPU_STATEINFO[]; // 3 |
| 56 | extern SFORMAT FCEUCTRL_STATEINFO[]; // 4 |
| 57 | |
| 58 | SFORMAT SFCPU[]={ // 1 |
| 59 | { &X.PC, 2|RLSB, "PC\0"}, |
| 60 | { &X.A, 1, "A\0\0"}, |
| 61 | { &X.P, 1, "P\0\0"}, |
| 62 | { &X.X, 1, "X\0\0"}, |
| 63 | { &X.Y, 1, "Y\0\0"}, |
| 64 | { &X.S, 1, "S\0\0"}, |
| 65 | { RAM, 0x800, "RAM"}, |
| 66 | { 0, } |
| 67 | }; |
| 68 | |
| 69 | SFORMAT SFCPUC[]={ // 2 |
| 70 | { &X.jammed, 1, "JAMM"}, |
| 71 | { &X.IRQlow, 1, "IRQL"}, |
| 72 | { &X.tcount, 4|RLSB, "ICoa"}, |
| 73 | { &X.count, 4|RLSB, "ICou"}, |
| 74 | { ×tamp, 4|RLSB, "TIME"}, |
| 75 | { ×tampbase, 8|RLSB, "TMEB"}, |
| 76 | // from 0.98.15 |
| 77 | { ×tampbase, sizeof(timestampbase) | RLSB, "TSBS"}, // size seems to match? |
| 78 | { &X.mooPI, 1, "MooP"}, // alternative to the "quick and dirty hack" |
| 79 | // TODO: IQLB? |
| 80 | { 0, } |
| 81 | }; |
| 82 | |
| 83 | extern uint16 TempAddrT,RefreshAddrT; |
| 84 | |
| 85 | |
| 86 | SFORMAT SFSND[]={ |
| 87 | { &fhcnt, 4|RLSB,"FHCN"}, |
| 88 | { &fcnt, 1, "FCNT"}, |
| 89 | { PSG, 14, "PSG"}, |
| 90 | { &PSG[0x15], 1, "P15"}, |
| 91 | { &PSG[0x17], 1, "P17"}, |
| 92 | { decvolume, 3, "DECV"}, |
| 93 | { &sqnon, 1, "SQNO"}, |
| 94 | { &nreg, 2|RLSB, "NREG"}, |
| 95 | { &trimode, 1, "TRIM"}, |
| 96 | { &tricoop, 1, "TRIC"}, |
| 97 | { sweepon, 2, "SWEE"}, |
| 98 | { &curfreq[0], 4|RLSB,"CRF1"}, |
| 99 | { &curfreq[1], 4|RLSB,"CRF2"}, |
| 100 | { SweepCount, 2,"SWCT"}, |
| 101 | { DecCountTo1, 3,"DCT1"}, |
| 102 | { &PCMBitIndex, 1,"PBIN"}, |
| 103 | { &PCMAddressIndex, 4|RLSB, "PAIN"}, |
| 104 | { &PCMSizeIndex, 4|RLSB, "PSIN"}, |
| 105 | { 0, } |
| 106 | }; |
| 107 | |
| 108 | extern SFORMAT FCEUSND_STATEINFO[]; // TODO: unify? |
| 109 | #define get_snd_sf() (use098code ? FCEUSND_STATEINFO : SFSND) |
| 110 | |
| 111 | |
| 112 | static int SubWrite(FILE *st, SFORMAT *sf) |
| 113 | { |
| 114 | uint32 acc=0; |
| 115 | |
| 116 | while(sf->v) |
| 117 | { |
| 118 | if(sf->s==~0) /* Link to another struct. */ |
| 119 | { |
| 120 | uint32 tmp; |
| 121 | |
| 122 | if(!(tmp=SubWrite(st,(SFORMAT *)sf->v))) |
| 123 | return(0); |
| 124 | acc+=tmp; |
| 125 | sf++; |
| 126 | continue; |
| 127 | } |
| 128 | |
| 129 | acc+=8; /* Description + size */ |
| 130 | acc+=sf->s&(~RLSB); |
| 131 | |
| 132 | if(st) /* Are we writing or calculating the size of this block? */ |
| 133 | { |
| 134 | fwrite(sf->desc,1,4,st); |
| 135 | write32le(sf->s&(~RLSB),st); |
| 136 | |
| 137 | #ifndef LSB_FIRST |
| 138 | if(sf->s&RLSB) |
| 139 | FlipByteOrder(sf->v,sf->s&(~RLSB)); |
| 140 | #endif |
| 141 | |
| 142 | fwrite((uint8 *)sf->v,1,sf->s&(~RLSB),st); |
| 143 | /* Now restore the original byte order. */ |
| 144 | #ifndef LSB_FIRST |
| 145 | if(sf->s&RLSB) |
| 146 | FlipByteOrder(sf->v,sf->s&(~RLSB)); |
| 147 | #endif |
| 148 | } |
| 149 | sf++; |
| 150 | } |
| 151 | |
| 152 | return(acc); |
| 153 | } |
| 154 | |
| 155 | static int WriteStateChunk(FILE *st, int type, SFORMAT *sf) |
| 156 | { |
| 157 | int bsize; |
| 158 | |
| 159 | fputc(type,st); |
| 160 | |
| 161 | bsize=SubWrite(0,sf); |
| 162 | write32le(bsize,st); |
| 163 | |
| 164 | if(!SubWrite(st,sf)) |
| 165 | { |
| 166 | return(0); |
| 167 | } |
| 168 | return (bsize+5); |
| 169 | } |
| 170 | |
| 171 | static SFORMAT *CheckS(SFORMAT *sf, uint32 tsize, char *desc) |
| 172 | { |
| 173 | while(sf->v) |
| 174 | { |
| 175 | if(sf->s==~0) /* Link to another SFORMAT structure. */ |
| 176 | { |
| 177 | SFORMAT *tmp; |
| 178 | if((tmp= CheckS((SFORMAT *)sf->v, tsize, desc) )) |
| 179 | return(tmp); |
| 180 | sf++; |
| 181 | continue; |
| 182 | } |
| 183 | if(!memcmp(desc,sf->desc,4)) |
| 184 | { |
| 185 | if(tsize!=(sf->s&(~RLSB))) |
| 186 | { |
| 187 | printf("ReadStateChunk: sect \"%c%c%c%c\" has wrong size\n", desc[0], desc[1], desc[2], desc[3]); |
| 188 | return(0); |
| 189 | } |
| 190 | return(sf); |
| 191 | } |
| 192 | sf++; |
| 193 | } |
| 194 | return(0); |
| 195 | } |
| 196 | |
| 197 | static int ReadStateChunk(FILE *st, SFORMAT *sf, int size) |
| 198 | { |
| 199 | //if(scan_chunks) |
| 200 | // return fseek(st,size,SEEK_CUR) == 0; |
| 201 | |
| 202 | SFORMAT *tmp; |
| 203 | int temp; |
| 204 | temp=ftell(st); |
| 205 | |
| 206 | while(ftell(st)<temp+size) |
| 207 | { |
| 208 | uint32 tsize; |
| 209 | char toa[4]; |
| 210 | if(fread(toa,1,4,st)<=0) |
| 211 | return 0; |
| 212 | |
| 213 | read32le(&tsize,st); |
| 214 | |
| 215 | if((tmp=CheckS(sf,tsize,toa))) |
| 216 | { |
| 217 | fread((uint8 *)tmp->v,1,tmp->s&(~RLSB),st); |
| 218 | |
| 219 | #ifndef LSB_FIRST |
| 220 | if(tmp->s&RLSB) |
| 221 | FlipByteOrder(tmp->v,tmp->s&(~RLSB)); |
| 222 | #endif |
| 223 | } |
| 224 | else |
| 225 | { |
| 226 | fseek(st,tsize,SEEK_CUR); |
| 227 | printf("ReadStateChunk: sect \"%c%c%c%c\" not handled\n", toa[0], toa[1], toa[2], toa[3]); |
| 228 | } |
| 229 | } // while(...) |
| 230 | return 1; |
| 231 | } |
| 232 | |
| 233 | |
| 234 | static int ReadStateChunks(FILE *st) |
| 235 | { |
| 236 | int t; |
| 237 | uint32 size; |
| 238 | int ret=1; |
| 239 | |
| 240 | for(;;) |
| 241 | { |
| 242 | t=fgetc(st); |
| 243 | if(t==EOF) break; |
| 244 | if(!read32(&size,st)) break; |
| 245 | |
| 246 | // printf("ReadStateChunks: chunk %i\n", t); |
| 247 | switch(t) |
| 248 | { |
| 249 | case 1:if(!ReadStateChunk(st,SFCPU,size)) ret=0; |
| 250 | #ifdef ASM_6502 |
| 251 | asmcpu_unpack(); |
| 252 | #endif |
| 253 | break; |
| 254 | case 2:if(!ReadStateChunk(st,SFCPUC,size)) ret=0; |
| 255 | else |
| 256 | { |
| 257 | X.mooPI=X.P; // Quick and dirty hack. |
| 258 | } |
| 259 | break; |
| 260 | case 3:if(!ReadStateChunk(st,FCEUPPU_STATEINFO,size)) ret=0;break; |
| 261 | case 4:if(!ReadStateChunk(st,FCEUCTRL_STATEINFO,size)) ret=0;break; |
| 262 | case 5:if(!ReadStateChunk(st,get_snd_sf(),size)) ret=0;break; |
| 263 | case 0x10:if(!ReadStateChunk(st,SFMDATA,size)) ret=0;break; |
| 264 | default:printf("ReadStateChunks: unknown chunk: %i\n", t); |
| 265 | if(fseek(st,size,SEEK_CUR)<0) goto endo;break; |
| 266 | } |
| 267 | } |
| 268 | endo: |
| 269 | return ret; |
| 270 | } |
| 271 | |
| 272 | |
| 273 | int CurrentState=0; |
| 274 | extern int geniestage; |
| 275 | void SaveState(void) |
| 276 | { |
| 277 | FILE *st=NULL; |
| 278 | char *fname; |
| 279 | |
| 280 | TempAddrT=TempAddr; |
| 281 | RefreshAddrT=RefreshAddr; |
| 282 | |
| 283 | if(geniestage==1) |
| 284 | { |
| 285 | FCEU_DispMessage("Cannot save FCS in GG screen."); |
| 286 | return; |
| 287 | } |
| 288 | |
| 289 | fname = FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0); |
| 290 | st=fopen(fname,"wb"); |
| 291 | free(fname); |
| 292 | |
| 293 | if(st!=NULL) |
| 294 | { |
| 295 | static uint32 totalsize; |
| 296 | static uint8 header[16]="FCS"; |
| 297 | memset(header+4,0,13); |
| 298 | header[3]=VERSION_NUMERIC; |
| 299 | fwrite(header,1,16,st); |
| 300 | |
| 301 | FCEUSND_SaveState(); |
| 302 | #ifdef ASM_6502 |
| 303 | asmcpu_pack(); |
| 304 | #endif |
| 305 | totalsize=WriteStateChunk(st,1,SFCPU); |
| 306 | totalsize+=WriteStateChunk(st,2,SFCPUC); |
| 307 | totalsize+=WriteStateChunk(st,3,FCEUPPU_STATEINFO); |
| 308 | totalsize+=WriteStateChunk(st,4,FCEUCTRL_STATEINFO); |
| 309 | totalsize+=WriteStateChunk(st,5,get_snd_sf()); |
| 310 | |
| 311 | |
| 312 | if(SPreSave) SPreSave(); |
| 313 | totalsize+=WriteStateChunk(st,0x10,SFMDATA); |
| 314 | if(SPostSave) SPostSave(); |
| 315 | |
| 316 | fseek(st,4,SEEK_SET); |
| 317 | write32(totalsize,st); |
| 318 | SaveStateStatus[CurrentState]=1; |
| 319 | fclose(st); |
| 320 | #ifdef GP2X |
| 321 | sync(); |
| 322 | #endif |
| 323 | FCEU_DispMessage("State %d saved.",CurrentState); |
| 324 | } |
| 325 | else |
| 326 | FCEU_DispMessage("State %d save error.",CurrentState); |
| 327 | } |
| 328 | |
| 329 | static int LoadStateOld(FILE *st); |
| 330 | int FCEUSS_LoadFP(FILE *st, int make_backup) |
| 331 | { |
| 332 | int x; |
| 333 | if(st!=NULL) |
| 334 | { |
| 335 | uint8 header[16]; |
| 336 | |
| 337 | fread(&header,1,16,st); |
| 338 | if(memcmp(header,"FCS",3)) |
| 339 | { |
| 340 | fseek(st,0,SEEK_SET); |
| 341 | if(!LoadStateOld(st)) |
| 342 | goto lerror; |
| 343 | goto okload; |
| 344 | } |
| 345 | stateversion=header[3]; |
| 346 | if(stateversion<53) |
| 347 | FixOldSaveStateSFreq(); |
| 348 | x=ReadStateChunks(st); |
| 349 | if(GameStateRestore) GameStateRestore(header[3]); |
| 350 | if(x) |
| 351 | { |
| 352 | okload: |
| 353 | FCEUSND_LoadState(header[3]); |
| 354 | TempAddr=TempAddrT; |
| 355 | RefreshAddr=RefreshAddrT; |
| 356 | |
| 357 | SaveStateStatus[CurrentState]=1; |
| 358 | FCEU_DispMessage("State %d loaded.",CurrentState); |
| 359 | SaveStateStatus[CurrentState]=1; |
| 360 | } |
| 361 | else |
| 362 | { |
| 363 | SaveStateStatus[CurrentState]=1; |
| 364 | FCEU_DispMessage("Error(s) reading state %d!",CurrentState); |
| 365 | } |
| 366 | } |
| 367 | else |
| 368 | { |
| 369 | lerror: |
| 370 | FCEU_DispMessage("State %d load error.",CurrentState); |
| 371 | SaveStateStatus[CurrentState]=0; |
| 372 | return 0; |
| 373 | } |
| 374 | return 1; |
| 375 | } |
| 376 | |
| 377 | void LoadState(void) |
| 378 | { |
| 379 | FILE *st=NULL; |
| 380 | char *fname; |
| 381 | |
| 382 | if(geniestage==1) |
| 383 | { |
| 384 | FCEU_DispMessage("Cannot load FCS in GG screen."); |
| 385 | return; |
| 386 | } |
| 387 | |
| 388 | fname = FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0); |
| 389 | st=fopen(fname,"rb"); |
| 390 | free(fname); |
| 391 | |
| 392 | if (st) |
| 393 | { |
| 394 | FCEUSS_LoadFP(st, 0); |
| 395 | fclose(st); |
| 396 | } |
| 397 | else |
| 398 | { |
| 399 | FCEU_DispMessage("State %d load error (no file).",CurrentState); |
| 400 | SaveStateStatus[CurrentState]=0; |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | char SaveStateStatus[10]; |
| 405 | #if 0 // leaks memory |
| 406 | void CheckStates(void) |
| 407 | { |
| 408 | FILE *st=NULL; |
| 409 | int ssel; |
| 410 | |
| 411 | if(SaveStateStatus[0]==(char)-1) |
| 412 | for(ssel=0;ssel<10;ssel++) |
| 413 | { |
| 414 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,ssel,0),"rb"); |
| 415 | if(st) |
| 416 | { |
| 417 | SaveStateStatus[ssel]=1; |
| 418 | fclose(st); |
| 419 | } |
| 420 | else |
| 421 | SaveStateStatus[ssel]=0; |
| 422 | } |
| 423 | } |
| 424 | #endif |
| 425 | |
| 426 | void SaveStateRefresh(void) |
| 427 | { |
| 428 | SaveStateStatus[0]=-1; |
| 429 | } |
| 430 | |
| 431 | void ResetExState(void (*PreSave)(void), void (*PostSave)(void)) |
| 432 | { |
| 433 | int x; |
| 434 | for(x=0;x<SFEXINDEX;x++) |
| 435 | { |
| 436 | if(SFMDATA[x].desc) |
| 437 | free(SFMDATA[x].desc); |
| 438 | } |
| 439 | SPreSave = PreSave; |
| 440 | SPostSave = PostSave; |
| 441 | SFEXINDEX=0; |
| 442 | } |
| 443 | |
| 444 | |
| 445 | void AddExState(void *v, uint32 s, int type, char *desc) |
| 446 | { |
| 447 | if(desc) |
| 448 | { |
| 449 | SFMDATA[SFEXINDEX].desc=(char *)FCEU_malloc(5); |
| 450 | strcpy(SFMDATA[SFEXINDEX].desc,desc); |
| 451 | } |
| 452 | else |
| 453 | SFMDATA[SFEXINDEX].desc=0; |
| 454 | SFMDATA[SFEXINDEX].v=v; |
| 455 | SFMDATA[SFEXINDEX].s=s; |
| 456 | if(type) SFMDATA[SFEXINDEX].s|=RLSB; |
| 457 | if(SFEXINDEX<SFMDATA_SIZE-1) |
| 458 | SFEXINDEX++; |
| 459 | else |
| 460 | { |
| 461 | static int once=1; |
| 462 | if(once) |
| 463 | { |
| 464 | once=0; |
| 465 | FCEU_PrintError("Error in AddExState: SFEXINDEX overflow.\nSomebody made SFMDATA_SIZE too small."); |
| 466 | } |
| 467 | } |
| 468 | SFMDATA[SFEXINDEX].v=0; // End marker. |
| 469 | } |
| 470 | |
| 471 | |
| 472 | /* Old state loading code follows */ |
| 473 | |
| 474 | uint8 *StateBuffer; |
| 475 | unsigned int intostate; |
| 476 | |
| 477 | static void afread(void *ptr, size_t _size, size_t _nelem) |
| 478 | { |
| 479 | memcpy(ptr,StateBuffer+intostate,_size*_nelem); |
| 480 | intostate+=_size*_nelem; |
| 481 | } |
| 482 | |
| 483 | |
| 484 | static void areadlower8of16(int8 *d) |
| 485 | { |
| 486 | #ifdef LSB_FIRST |
| 487 | *d=StateBuffer[intostate++]; |
| 488 | #else |
| 489 | d[1]=StateBuffer[intostate++]; |
| 490 | #endif |
| 491 | } |
| 492 | |
| 493 | |
| 494 | static void areadupper8of16(int8 *d) |
| 495 | { |
| 496 | #ifdef LSB_FIRST |
| 497 | d[1]=StateBuffer[intostate++]; |
| 498 | #else |
| 499 | *d=StateBuffer[intostate++]; |
| 500 | #endif |
| 501 | } |
| 502 | |
| 503 | |
| 504 | static void aread16(int8 *d) |
| 505 | { |
| 506 | #ifdef LSB_FIRST |
| 507 | *d=StateBuffer[intostate++]; |
| 508 | d[1]=StateBuffer[intostate++]; |
| 509 | #else |
| 510 | d[1]=StateBuffer[intostate++]; |
| 511 | *d=StateBuffer[intostate++]; |
| 512 | #endif |
| 513 | } |
| 514 | |
| 515 | |
| 516 | static void aread32(int8 *d) |
| 517 | { |
| 518 | #ifdef LSB_FIRST |
| 519 | *d=StateBuffer[intostate++]; |
| 520 | d[1]=StateBuffer[intostate++]; |
| 521 | d[2]=StateBuffer[intostate++]; |
| 522 | d[3]=StateBuffer[intostate++]; |
| 523 | #else |
| 524 | d[3]=StateBuffer[intostate++]; |
| 525 | d[2]=StateBuffer[intostate++]; |
| 526 | d[1]=StateBuffer[intostate++]; |
| 527 | *d=StateBuffer[intostate++]; |
| 528 | #endif |
| 529 | } |
| 530 | |
| 531 | static int LoadStateOld(FILE *st) |
| 532 | { |
| 533 | int x; |
| 534 | int32 nada; |
| 535 | uint8 version; |
| 536 | nada=0; |
| 537 | |
| 538 | printf("LoadStateOld\n"); |
| 539 | |
| 540 | StateBuffer=FCEU_malloc(59999); |
| 541 | if(StateBuffer==NULL) |
| 542 | return 0; |
| 543 | if(!fread(StateBuffer,59999,1,st)) |
| 544 | { |
| 545 | fclose(st); |
| 546 | free(StateBuffer); |
| 547 | return 0; |
| 548 | } |
| 549 | |
| 550 | intostate=0; |
| 551 | |
| 552 | { |
| 553 | uint8 a[2]; |
| 554 | afread(&a[0],1,1); |
| 555 | afread(&a[1],1,1); |
| 556 | X.PC=a[0]|(a[1]<<8); |
| 557 | } |
| 558 | afread(&X.A,1,1); |
| 559 | afread(&X.P,1,1); |
| 560 | afread(&X.X,1,1); |
| 561 | afread(&X.Y,1,1); |
| 562 | afread(&X.S,1,1); |
| 563 | afread(&version,1,1); |
| 564 | afread(&nada,1,1); |
| 565 | afread(&nada,1,1); |
| 566 | afread(&nada,1,1); |
| 567 | afread(&nada,1,1); |
| 568 | aread32((int8 *)&X.count); |
| 569 | afread(&nada,1,1); |
| 570 | afread(&nada,1,1); |
| 571 | afread(&nada,1,1); |
| 572 | afread(&nada,1,1); |
| 573 | aread32((int8 *)&nada); |
| 574 | afread(&nada,1,1); |
| 575 | afread(&nada,1,1); |
| 576 | afread(&nada,1,1); |
| 577 | afread(&nada,1,1); |
| 578 | |
| 579 | for(x=0;x<8;x++) |
| 580 | areadupper8of16((int8 *)&CHRBankList[x]); |
| 581 | afread(PRGBankList,4,1); |
| 582 | for(x=0;x<8;x++) |
| 583 | areadlower8of16((int8 *)&CHRBankList[x]); |
| 584 | afread(CHRRAM,1,0x2000); |
| 585 | afread(NTARAM,1,0x400); |
| 586 | afread(ExtraNTARAM,1,0x400); |
| 587 | afread(NTARAM+0x400,1,0x400); |
| 588 | afread(ExtraNTARAM+0x400,1,0x400); |
| 589 | |
| 590 | for(x=0;x<0xF00;x++) |
| 591 | afread(&nada,1,1); |
| 592 | afread(PALRAM,1,0x20); |
| 593 | for(x=0;x<256-32;x++) |
| 594 | afread(&nada,1,1); |
| 595 | for(x=0x00;x<0x20;x++) |
| 596 | PALRAM[x]&=0x3f; |
| 597 | afread(PPU,1,4); |
| 598 | afread(SPRAM,1,0x100); |
| 599 | afread(WRAM,1,8192); |
| 600 | afread(RAM,1,0x800); |
| 601 | aread16((int8 *)&scanline); |
| 602 | aread16((int8 *)&RefreshAddr); |
| 603 | afread(&VRAMBuffer,1,1); |
| 604 | |
| 605 | afread(&IRQa,1,1); |
| 606 | aread32((int8 *)&IRQCount); |
| 607 | aread32((int8 *)&IRQLatch); |
| 608 | afread(&Mirroring,1,1); |
| 609 | afread(PSG,1,0x17); |
| 610 | PSG[0x11]&=0x7F; |
| 611 | afread(MapperExRAM,1,193); |
| 612 | if(version>=31) |
| 613 | PSG[0x17]=MapperExRAM[115]; |
| 614 | else |
| 615 | PSG[0x17]|=0x40; |
| 616 | PSG[0x15]&=0xF; |
| 617 | sqnon=PSG[0x15]; |
| 618 | |
| 619 | X.IRQlow=0; |
| 620 | afread(&nada,1,1); |
| 621 | afread(&nada,1,1); |
| 622 | afread(&nada,1,1); |
| 623 | afread(&nada,1,1); |
| 624 | afread(&nada,1,1); |
| 625 | afread(&nada,1,1); |
| 626 | afread(&XOffset,1,1); |
| 627 | PPUCHRRAM=0; |
| 628 | for(x=0;x<8;x++) |
| 629 | { |
| 630 | nada=0; |
| 631 | afread(&nada,1,1); |
| 632 | PPUCHRRAM|=(nada?1:0)<<x; |
| 633 | } |
| 634 | |
| 635 | afread(mapbyte1,1,8); |
| 636 | afread(mapbyte2,1,8); |
| 637 | afread(mapbyte3,1,8); |
| 638 | afread(mapbyte4,1,8); |
| 639 | for(x=0;x<4;x++) |
| 640 | aread16((int8 *)&nada); |
| 641 | |
| 642 | PPUNTARAM=0; |
| 643 | for(x=0;x<4;x++) |
| 644 | { |
| 645 | nada=0; |
| 646 | aread16((int8 *)&nada); |
| 647 | PPUNTARAM|=((nada&0x800)?0:1)<<x; |
| 648 | } |
| 649 | afread(MapperExRAM,1,32768); |
| 650 | afread(&vtoggle,1,1); |
| 651 | aread16((int8 *)&TempAddrT); |
| 652 | aread16((int8 *)&RefreshAddrT); |
| 653 | |
| 654 | if(GameStateRestore) GameStateRestore(version); |
| 655 | free(StateBuffer); |
| 656 | FixOldSaveStateSFreq(); |
| 657 | X.mooPI=X.P; |
| 658 | return 1; |
| 659 | } |
| 660 | |