| 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 | #define INESPRIV // Take this out when old save state support is removed in a future version. |
| 37 | #include "ines.h" |
| 38 | #include "svga.h" |
| 39 | #include "endian.h" |
| 40 | #include "fds.h" |
| 41 | #include "general.h" |
| 42 | #include "state.h" |
| 43 | #include "memory.h" |
| 44 | #include "ppu.h" |
| 45 | |
| 46 | static SFORMAT SFMDATA[64]; |
| 47 | static int SFEXINDEX; |
| 48 | static int stateversion; |
| 49 | |
| 50 | #define RLSB 0x80000000 |
| 51 | |
| 52 | #define SFCPUELEMENTS 7 |
| 53 | |
| 54 | SFORMAT SFCPU[SFCPUELEMENTS]={ |
| 55 | { &X.PC, 2|RLSB, "PC\0"}, |
| 56 | { &X.A, 1, "A\0\0"}, |
| 57 | { &X.P, 1, "P\0\0"}, |
| 58 | { &X.X, 1, "X\0\0"}, |
| 59 | { &X.Y, 1, "Y\0\0"}, |
| 60 | { &X.S, 1, "S\0\0"}, |
| 61 | { RAM, 0x800, "RAM"} |
| 62 | }; |
| 63 | |
| 64 | #define SFCPUCELEMENTS 6 |
| 65 | SFORMAT SFCPUC[SFCPUCELEMENTS]={ |
| 66 | { &X.jammed, 1, "JAMM"}, |
| 67 | { &X.IRQlow, 1, "IRQL"}, |
| 68 | { &X.tcount, 4|RLSB, "ICoa"}, |
| 69 | { &X.count, 4|RLSB, "ICou"}, |
| 70 | { ×tamp, 4|RLSB, "TIME"}, |
| 71 | { ×tampbase, 8|RLSB, "TMEB"} |
| 72 | }; |
| 73 | |
| 74 | static uint16 TempAddrT,RefreshAddrT; |
| 75 | |
| 76 | #define SFPPUELEMENTS 10 |
| 77 | SFORMAT SFPPU[SFPPUELEMENTS]={ |
| 78 | { NTARAM, 0x800, "NTAR"}, |
| 79 | { PALRAM, 0x20, "PRAM"}, |
| 80 | { SPRAM, 0x100, "SPRA"}, |
| 81 | { PPU, 0x4, "PPUR"}, |
| 82 | { &XOffset, 1, "XOFF"}, |
| 83 | { &vtoggle, 1, "VTOG"}, |
| 84 | { &RefreshAddrT, 2|RLSB, "RADD"}, |
| 85 | { &TempAddrT, 2|RLSB, "TADD"}, |
| 86 | { &VRAMBuffer, 1, "VBUF"}, |
| 87 | { &PPUGenLatch, 1, "PGEN"}, |
| 88 | }; |
| 89 | |
| 90 | // Is this chunk necessary? I'll fix it later. |
| 91 | //#define SFCTLRELEMENTS 2 |
| 92 | //SFORMAT SFCTLR[SFCTLRELEMENTS]={ |
| 93 | // { &joy_readbit, 1, "J1RB"}, |
| 94 | // { &joy2_readbit, 1, "J2RB"} |
| 95 | //}; |
| 96 | |
| 97 | #define SFSNDELEMENTS 18 |
| 98 | SFORMAT SFSND[SFSNDELEMENTS]={ |
| 99 | { &fhcnt, 4|RLSB,"FHCN"}, |
| 100 | { &fcnt, 1, "FCNT"}, |
| 101 | { PSG, 14, "PSG"}, |
| 102 | { &PSG[0x15], 1, "P15"}, |
| 103 | { &PSG[0x17], 1, "P17"}, |
| 104 | { decvolume, 3, "DECV"}, |
| 105 | { &sqnon, 1, "SQNO"}, |
| 106 | { &nreg, 2|RLSB, "NREG"}, |
| 107 | { &trimode, 1, "TRIM"}, |
| 108 | { &tricoop, 1, "TRIC"}, |
| 109 | { sweepon, 2, "SWEE"}, |
| 110 | { &curfreq[0], 4|RLSB,"CRF1"}, |
| 111 | { &curfreq[1], 4|RLSB,"CRF2"}, |
| 112 | { SweepCount, 2,"SWCT"}, |
| 113 | { DecCountTo1, 3,"DCT1"}, |
| 114 | { &PCMBitIndex, 1,"PBIN"}, |
| 115 | { &PCMAddressIndex, 4|RLSB, "PAIN"}, |
| 116 | { &PCMSizeIndex, 4|RLSB, "PSIN"} |
| 117 | }; |
| 118 | |
| 119 | |
| 120 | int WriteStateChunk(FILE *st, int type, SFORMAT *sf, int count) |
| 121 | { |
| 122 | int bsize; |
| 123 | int x; |
| 124 | |
| 125 | fputc(type,st); |
| 126 | |
| 127 | for(x=bsize=0;x<count;x++) |
| 128 | bsize+=sf[x].s&(~RLSB); |
| 129 | bsize+=count<<3; |
| 130 | write32(bsize,st); |
| 131 | for(x=0;x<count;x++) |
| 132 | { |
| 133 | fwrite(sf[x].desc,1,4,st); |
| 134 | write32(sf[x].s&(~RLSB),st); |
| 135 | #ifdef LSB_FIRST |
| 136 | fwrite((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
| 137 | #else |
| 138 | { |
| 139 | int z; |
| 140 | if(sf[x].s&RLSB) |
| 141 | { |
| 142 | for(z=(sf[x].s&(~RLSB))-1;z>=0;z--) |
| 143 | { |
| 144 | fputc(*(uint8*)sf[x].v,st); |
| 145 | } |
| 146 | } |
| 147 | else |
| 148 | fwrite((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
| 149 | } |
| 150 | #endif |
| 151 | } |
| 152 | return (bsize+5); |
| 153 | } |
| 154 | |
| 155 | int ReadStateChunk(FILE *st, SFORMAT *sf, int count, int size) |
| 156 | { |
| 157 | uint8 tmpyo[16]; |
| 158 | int bsize; |
| 159 | int x; |
| 160 | |
| 161 | for(x=bsize=0;x<count;x++) |
| 162 | bsize+=sf[x].s&(~RLSB); |
| 163 | if(stateversion>=53) |
| 164 | bsize+=count<<3; |
| 165 | else |
| 166 | { |
| 167 | if(bsize!=size) |
| 168 | { |
| 169 | fseek(st,size,SEEK_CUR); |
| 170 | return 0; |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | if(stateversion<56) |
| 175 | memcpy(tmpyo,mapbyte3,16); |
| 176 | |
| 177 | if(stateversion>=53) |
| 178 | { |
| 179 | int temp; |
| 180 | temp=ftell(st); |
| 181 | |
| 182 | while(ftell(st)<temp+size) |
| 183 | { |
| 184 | int tsize; |
| 185 | char toa[4]; |
| 186 | |
| 187 | if(fread(toa,1,4,st)<=0) |
| 188 | return 0; |
| 189 | read32(&tsize,st); |
| 190 | |
| 191 | for(x=0;x<count;x++) |
| 192 | { |
| 193 | if(!memcmp(toa,sf[x].desc,4)) |
| 194 | { |
| 195 | if(tsize!=(sf[x].s&(~RLSB))) |
| 196 | goto nkayo; |
| 197 | #ifndef LSB_FIRST |
| 198 | if(sf[x].s&RLSB) |
| 199 | { |
| 200 | int z; |
| 201 | for(z=(sf[x].s&(~RLSB))-1;z>=0;z--) |
| 202 | *(uint8*)sf[x].v=fgetc(st); |
| 203 | } |
| 204 | else |
| 205 | #endif |
| 206 | { |
| 207 | fread((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
| 208 | } |
| 209 | goto bloo; |
| 210 | } |
| 211 | } |
| 212 | nkayo: |
| 213 | fseek(st,tsize,SEEK_CUR); |
| 214 | bloo:; |
| 215 | } // while(...) |
| 216 | } // >=53 |
| 217 | else |
| 218 | { |
| 219 | for(x=0;x<count;x++) |
| 220 | { |
| 221 | #ifdef LSB_FIRST |
| 222 | fread((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
| 223 | #else |
| 224 | int z; |
| 225 | if(sf[x].s&RLSB) |
| 226 | for(z=(sf[x].s&(~RLSB))-1;z>=0;z--) |
| 227 | { |
| 228 | *(uint8*)sf[x].v=fgetc(st); |
| 229 | } |
| 230 | else |
| 231 | fread((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
| 232 | #endif |
| 233 | } |
| 234 | } |
| 235 | if(stateversion<56) |
| 236 | { |
| 237 | for(x=0;x<16;x++) |
| 238 | #ifdef LSB_FIRST |
| 239 | mapbyte1[x]=mapbyte1[x<<1]; |
| 240 | #else |
| 241 | mapbyte1[x]=mapbyte1[(x<<1)+1]; |
| 242 | #endif |
| 243 | memcpy(mapbyte3,tmpyo,16); |
| 244 | } |
| 245 | return 1; |
| 246 | } |
| 247 | |
| 248 | int ReadStateChunks(FILE *st) |
| 249 | { |
| 250 | int t; |
| 251 | uint32 size; |
| 252 | int ret=1; |
| 253 | |
| 254 | for(;;) |
| 255 | { |
| 256 | t=fgetc(st); |
| 257 | if(t==EOF) break; |
| 258 | if(!read32(&size,st)) break; |
| 259 | switch(t) |
| 260 | { |
| 261 | case 1:if(!ReadStateChunk(st,SFCPU,SFCPUELEMENTS,size)) ret=0; |
| 262 | #ifdef ASM_6502 |
| 263 | asmcpu_unpack(); |
| 264 | #endif |
| 265 | break; |
| 266 | case 2:if(!ReadStateChunk(st,SFCPUC,SFCPUCELEMENTS,size)) ret=0; |
| 267 | else |
| 268 | { |
| 269 | X.mooPI=X.P; // Quick and dirty hack. |
| 270 | } |
| 271 | break; |
| 272 | case 3:if(!ReadStateChunk(st,SFPPU,SFPPUELEMENTS,size)) ret=0;break; |
| 273 | // case 4:if(!ReadStateChunk(st,SFCTLR,SFCTLRELEMENTS,size)) ret=0;break; |
| 274 | case 5:if(!ReadStateChunk(st,SFSND,SFSNDELEMENTS,size)) ret=0;break; |
| 275 | case 0x10:if(!ReadStateChunk(st,SFMDATA,SFEXINDEX,size)) ret=0;break; |
| 276 | default: if(fseek(st,size,SEEK_CUR)<0) goto endo;break; |
| 277 | } |
| 278 | } |
| 279 | endo: |
| 280 | return ret; |
| 281 | } |
| 282 | |
| 283 | |
| 284 | int CurrentState=0; |
| 285 | extern int geniestage; |
| 286 | void SaveState(void) |
| 287 | { |
| 288 | FILE *st=NULL; |
| 289 | |
| 290 | TempAddrT=TempAddr; |
| 291 | RefreshAddrT=RefreshAddr; |
| 292 | |
| 293 | if(geniestage==1) |
| 294 | { |
| 295 | FCEU_DispMessage("Cannot save FCS in GG screen."); |
| 296 | return; |
| 297 | } |
| 298 | |
| 299 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0),"wb"); |
| 300 | |
| 301 | if(st!=NULL) |
| 302 | { |
| 303 | static uint32 totalsize; |
| 304 | static uint8 header[16]="FCS"; |
| 305 | memset(header+4,0,13); |
| 306 | header[3]=VERSION_NUMERIC; |
| 307 | fwrite(header,1,16,st); |
| 308 | |
| 309 | #ifdef ASM_6502 |
| 310 | asmcpu_pack(); |
| 311 | #endif |
| 312 | totalsize=WriteStateChunk(st,1,SFCPU,SFCPUELEMENTS); |
| 313 | totalsize+=WriteStateChunk(st,2,SFCPUC,SFCPUCELEMENTS); |
| 314 | totalsize+=WriteStateChunk(st,3,SFPPU,SFPPUELEMENTS); |
| 315 | // totalsize+=WriteStateChunk(st,4,SFCTLR,SFCTLRELEMENTS); |
| 316 | totalsize+=WriteStateChunk(st,5,SFSND,SFSNDELEMENTS); |
| 317 | totalsize+=WriteStateChunk(st,0x10,SFMDATA,SFEXINDEX); |
| 318 | |
| 319 | fseek(st,4,SEEK_SET); |
| 320 | write32(totalsize,st); |
| 321 | SaveStateStatus[CurrentState]=1; |
| 322 | fclose(st); |
| 323 | #ifdef GP2X |
| 324 | sync(); |
| 325 | #endif |
| 326 | FCEU_DispMessage("State %d saved.",CurrentState); |
| 327 | } |
| 328 | else |
| 329 | FCEU_DispMessage("State %d save error.",CurrentState); |
| 330 | } |
| 331 | |
| 332 | static int LoadStateOld(FILE *st); |
| 333 | int FCEUSS_LoadFP(FILE *st, int make_backup) |
| 334 | { |
| 335 | int x; |
| 336 | if(st!=NULL) |
| 337 | { |
| 338 | uint8 header[16]; |
| 339 | |
| 340 | fread(&header,1,16,st); |
| 341 | if(memcmp(header,"FCS",3)) |
| 342 | { |
| 343 | fseek(st,0,SEEK_SET); |
| 344 | if(!LoadStateOld(st)) |
| 345 | goto lerror; |
| 346 | goto okload; |
| 347 | } |
| 348 | stateversion=header[3]; |
| 349 | if(stateversion<53) |
| 350 | FixOldSaveStateSFreq(); |
| 351 | x=ReadStateChunks(st); |
| 352 | if(GameStateRestore) GameStateRestore(header[3]); |
| 353 | if(x) |
| 354 | { |
| 355 | okload: |
| 356 | TempAddr=TempAddrT; |
| 357 | RefreshAddr=RefreshAddrT; |
| 358 | |
| 359 | SaveStateStatus[CurrentState]=1; |
| 360 | FCEU_DispMessage("State %d loaded.",CurrentState); |
| 361 | SaveStateStatus[CurrentState]=1; |
| 362 | } |
| 363 | else |
| 364 | { |
| 365 | SaveStateStatus[CurrentState]=1; |
| 366 | FCEU_DispMessage("Error(s) reading state %d!",CurrentState); |
| 367 | } |
| 368 | } |
| 369 | else |
| 370 | { |
| 371 | lerror: |
| 372 | FCEU_DispMessage("State %d load error.",CurrentState); |
| 373 | SaveStateStatus[CurrentState]=0; |
| 374 | return 0; |
| 375 | } |
| 376 | return 1; |
| 377 | } |
| 378 | |
| 379 | void LoadState(void) |
| 380 | { |
| 381 | FILE *st=NULL; |
| 382 | |
| 383 | if(geniestage==1) |
| 384 | { |
| 385 | FCEU_DispMessage("Cannot load FCS in GG screen."); |
| 386 | return; |
| 387 | } |
| 388 | |
| 389 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0),"rb"); |
| 390 | if (st) |
| 391 | { |
| 392 | FCEUSS_LoadFP(st, 0); |
| 393 | fclose(st); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | char SaveStateStatus[10]; |
| 398 | void CheckStates(void) |
| 399 | { |
| 400 | FILE *st=NULL; |
| 401 | int ssel; |
| 402 | |
| 403 | if(SaveStateStatus[0]==(char)-1) |
| 404 | for(ssel=0;ssel<10;ssel++) |
| 405 | { |
| 406 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,ssel,0),"rb"); |
| 407 | if(st) |
| 408 | { |
| 409 | SaveStateStatus[ssel]=1; |
| 410 | fclose(st); |
| 411 | } |
| 412 | else |
| 413 | SaveStateStatus[ssel]=0; |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | void SaveStateRefresh(void) |
| 418 | { |
| 419 | SaveStateStatus[0]=-1; |
| 420 | } |
| 421 | |
| 422 | void ResetExState(void) |
| 423 | { |
| 424 | int x; |
| 425 | for(x=0;x<SFEXINDEX;x++) |
| 426 | free(SFMDATA[x].desc); |
| 427 | SFEXINDEX=0; |
| 428 | } |
| 429 | |
| 430 | void AddExState(void *v, uint32 s, int type, char *desc) |
| 431 | { |
| 432 | SFMDATA[SFEXINDEX].desc=FCEU_malloc(5); |
| 433 | if(SFMDATA[SFEXINDEX].desc) |
| 434 | { |
| 435 | strcpy(SFMDATA[SFEXINDEX].desc,desc); |
| 436 | SFMDATA[SFEXINDEX].v=v; |
| 437 | SFMDATA[SFEXINDEX].s=s; |
| 438 | if(type) SFMDATA[SFEXINDEX].s|=RLSB; |
| 439 | if(SFEXINDEX<63) SFEXINDEX++; |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | /* Old state loading code follows */ |
| 444 | |
| 445 | uint8 *StateBuffer; |
| 446 | unsigned int intostate; |
| 447 | |
| 448 | static void afread(void *ptr, size_t _size, size_t _nelem) |
| 449 | { |
| 450 | memcpy(ptr,StateBuffer+intostate,_size*_nelem); |
| 451 | intostate+=_size*_nelem; |
| 452 | } |
| 453 | |
| 454 | |
| 455 | static void areadlower8of16(int8 *d) |
| 456 | { |
| 457 | #ifdef LSB_FIRST |
| 458 | *d=StateBuffer[intostate++]; |
| 459 | #else |
| 460 | d[1]=StateBuffer[intostate++]; |
| 461 | #endif |
| 462 | } |
| 463 | |
| 464 | |
| 465 | static void areadupper8of16(int8 *d) |
| 466 | { |
| 467 | #ifdef LSB_FIRST |
| 468 | d[1]=StateBuffer[intostate++]; |
| 469 | #else |
| 470 | *d=StateBuffer[intostate++]; |
| 471 | #endif |
| 472 | } |
| 473 | |
| 474 | |
| 475 | static void aread16(int8 *d) |
| 476 | { |
| 477 | #ifdef LSB_FIRST |
| 478 | *d=StateBuffer[intostate++]; |
| 479 | d[1]=StateBuffer[intostate++]; |
| 480 | #else |
| 481 | d[1]=StateBuffer[intostate++]; |
| 482 | *d=StateBuffer[intostate++]; |
| 483 | #endif |
| 484 | } |
| 485 | |
| 486 | |
| 487 | static void aread32(int8 *d) |
| 488 | { |
| 489 | #ifdef LSB_FIRST |
| 490 | *d=StateBuffer[intostate++]; |
| 491 | d[1]=StateBuffer[intostate++]; |
| 492 | d[2]=StateBuffer[intostate++]; |
| 493 | d[3]=StateBuffer[intostate++]; |
| 494 | #else |
| 495 | d[3]=StateBuffer[intostate++]; |
| 496 | d[2]=StateBuffer[intostate++]; |
| 497 | d[1]=StateBuffer[intostate++]; |
| 498 | *d=StateBuffer[intostate++]; |
| 499 | #endif |
| 500 | } |
| 501 | |
| 502 | static int LoadStateOld(FILE *st) |
| 503 | { |
| 504 | int x; |
| 505 | int32 nada; |
| 506 | uint8 version; |
| 507 | nada=0; |
| 508 | |
| 509 | StateBuffer=FCEU_malloc(59999); |
| 510 | if(StateBuffer==NULL) |
| 511 | return 0; |
| 512 | if(!fread(StateBuffer,59999,1,st)) |
| 513 | { |
| 514 | fclose(st); |
| 515 | free(StateBuffer); |
| 516 | return 0; |
| 517 | } |
| 518 | |
| 519 | intostate=0; |
| 520 | |
| 521 | { |
| 522 | uint8 a[2]; |
| 523 | afread(&a[0],1,1); |
| 524 | afread(&a[1],1,1); |
| 525 | X.PC=a[0]|(a[1]<<8); |
| 526 | } |
| 527 | afread(&X.A,1,1); |
| 528 | afread(&X.P,1,1); |
| 529 | afread(&X.X,1,1); |
| 530 | afread(&X.Y,1,1); |
| 531 | afread(&X.S,1,1); |
| 532 | afread(&version,1,1); |
| 533 | afread(&nada,1,1); |
| 534 | afread(&nada,1,1); |
| 535 | afread(&nada,1,1); |
| 536 | afread(&nada,1,1); |
| 537 | aread32((int8 *)&X.count); |
| 538 | afread(&nada,1,1); |
| 539 | afread(&nada,1,1); |
| 540 | afread(&nada,1,1); |
| 541 | afread(&nada,1,1); |
| 542 | aread32((int8 *)&nada); |
| 543 | afread(&nada,1,1); |
| 544 | afread(&nada,1,1); |
| 545 | afread(&nada,1,1); |
| 546 | afread(&nada,1,1); |
| 547 | |
| 548 | for(x=0;x<8;x++) |
| 549 | areadupper8of16((int8 *)&CHRBankList[x]); |
| 550 | afread(PRGBankList,4,1); |
| 551 | for(x=0;x<8;x++) |
| 552 | areadlower8of16((int8 *)&CHRBankList[x]); |
| 553 | afread(CHRRAM,1,0x2000); |
| 554 | afread(NTARAM,1,0x400); |
| 555 | afread(ExtraNTARAM,1,0x400); |
| 556 | afread(NTARAM+0x400,1,0x400); |
| 557 | afread(ExtraNTARAM+0x400,1,0x400); |
| 558 | |
| 559 | for(x=0;x<0xF00;x++) |
| 560 | afread(&nada,1,1); |
| 561 | afread(PALRAM,1,0x20); |
| 562 | for(x=0;x<256-32;x++) |
| 563 | afread(&nada,1,1); |
| 564 | for(x=0x00;x<0x20;x++) |
| 565 | PALRAM[x]&=0x3f; |
| 566 | afread(PPU,1,4); |
| 567 | afread(SPRAM,1,0x100); |
| 568 | afread(WRAM,1,8192); |
| 569 | afread(RAM,1,0x800); |
| 570 | aread16((int8 *)&scanline); |
| 571 | aread16((int8 *)&RefreshAddr); |
| 572 | afread(&VRAMBuffer,1,1); |
| 573 | |
| 574 | afread(&IRQa,1,1); |
| 575 | aread32((int8 *)&IRQCount); |
| 576 | aread32((int8 *)&IRQLatch); |
| 577 | afread(&Mirroring,1,1); |
| 578 | afread(PSG,1,0x17); |
| 579 | PSG[0x11]&=0x7F; |
| 580 | afread(MapperExRAM,1,193); |
| 581 | if(version>=31) |
| 582 | PSG[0x17]=MapperExRAM[115]; |
| 583 | else |
| 584 | PSG[0x17]|=0x40; |
| 585 | PSG[0x15]&=0xF; |
| 586 | sqnon=PSG[0x15]; |
| 587 | |
| 588 | X.IRQlow=0; |
| 589 | afread(&nada,1,1); |
| 590 | afread(&nada,1,1); |
| 591 | afread(&nada,1,1); |
| 592 | afread(&nada,1,1); |
| 593 | afread(&nada,1,1); |
| 594 | afread(&nada,1,1); |
| 595 | afread(&XOffset,1,1); |
| 596 | PPUCHRRAM=0; |
| 597 | for(x=0;x<8;x++) |
| 598 | { |
| 599 | nada=0; |
| 600 | afread(&nada,1,1); |
| 601 | PPUCHRRAM|=(nada?1:0)<<x; |
| 602 | } |
| 603 | |
| 604 | afread(mapbyte1,1,8); |
| 605 | afread(mapbyte2,1,8); |
| 606 | afread(mapbyte3,1,8); |
| 607 | afread(mapbyte4,1,8); |
| 608 | for(x=0;x<4;x++) |
| 609 | aread16((int8 *)&nada); |
| 610 | |
| 611 | PPUNTARAM=0; |
| 612 | for(x=0;x<4;x++) |
| 613 | { |
| 614 | nada=0; |
| 615 | aread16((int8 *)&nada); |
| 616 | PPUNTARAM|=((nada&0x800)?0:1)<<x; |
| 617 | } |
| 618 | afread(MapperExRAM,1,32768); |
| 619 | afread(&vtoggle,1,1); |
| 620 | aread16((int8 *)&TempAddrT); |
| 621 | aread16((int8 *)&RefreshAddrT); |
| 622 | |
| 623 | if(GameStateRestore) GameStateRestore(version); |
| 624 | free(StateBuffer); |
| 625 | FixOldSaveStateSFreq(); |
| 626 | X.mooPI=X.P; |
| 627 | return 1; |
| 628 | } |
| 629 | |