c62d2810 |
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> |
92e249b1 |
27 | #ifdef GP2X |
28 | #include <unistd.h> |
29 | #endif |
c62d2810 |
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" |
5232c20c |
44 | #include "ppu.h" |
c62d2810 |
45 | |
d97315ac |
46 | static void (*SPreSave)(void) = 0; |
47 | static void (*SPostSave)(void) = 0; |
48 | |
49 | #define SFMDATA_SIZE (64) |
50 | static SFORMAT SFMDATA[SFMDATA_SIZE]; |
c62d2810 |
51 | static int SFEXINDEX; |
52 | static int stateversion; |
53 | |
890e37ba |
54 | extern SFORMAT FCEUPPU_STATEINFO[]; // 3 |
55 | extern SFORMAT FCEUCTRL_STATEINFO[]; // 4 |
c62d2810 |
56 | |
890e37ba |
57 | SFORMAT SFCPU[]={ // 1 |
c62d2810 |
58 | { &X.PC, 2|RLSB, "PC\0"}, |
59 | { &X.A, 1, "A\0\0"}, |
60 | { &X.P, 1, "P\0\0"}, |
61 | { &X.X, 1, "X\0\0"}, |
62 | { &X.Y, 1, "Y\0\0"}, |
63 | { &X.S, 1, "S\0\0"}, |
890e37ba |
64 | { RAM, 0x800, "RAM"}, |
65 | { 0, } |
c62d2810 |
66 | }; |
67 | |
890e37ba |
68 | SFORMAT SFCPUC[]={ // 2 |
c62d2810 |
69 | { &X.jammed, 1, "JAMM"}, |
70 | { &X.IRQlow, 1, "IRQL"}, |
71 | { &X.tcount, 4|RLSB, "ICoa"}, |
72 | { &X.count, 4|RLSB, "ICou"}, |
73 | { ×tamp, 4|RLSB, "TIME"}, |
890e37ba |
74 | { ×tampbase, 8|RLSB, "TMEB"}, |
75 | // from 0.98.15 |
76 | { ×tampbase, sizeof(timestampbase) | RLSB, "TSBS"}, // size seems to match? |
77 | { &X.mooPI, 1, "MooP"}, // alternative to the "quick and dirty hack" |
78 | // TODO: IQLB? |
79 | { 0, } |
c62d2810 |
80 | }; |
81 | |
890e37ba |
82 | extern uint16 TempAddrT,RefreshAddrT; |
c62d2810 |
83 | |
c62d2810 |
84 | |
890e37ba |
85 | SFORMAT SFSND[]={ |
c62d2810 |
86 | { &fhcnt, 4|RLSB,"FHCN"}, |
87 | { &fcnt, 1, "FCNT"}, |
88 | { PSG, 14, "PSG"}, |
89 | { &PSG[0x15], 1, "P15"}, |
90 | { &PSG[0x17], 1, "P17"}, |
91 | { decvolume, 3, "DECV"}, |
92 | { &sqnon, 1, "SQNO"}, |
93 | { &nreg, 2|RLSB, "NREG"}, |
94 | { &trimode, 1, "TRIM"}, |
95 | { &tricoop, 1, "TRIC"}, |
96 | { sweepon, 2, "SWEE"}, |
97 | { &curfreq[0], 4|RLSB,"CRF1"}, |
98 | { &curfreq[1], 4|RLSB,"CRF2"}, |
99 | { SweepCount, 2,"SWCT"}, |
100 | { DecCountTo1, 3,"DCT1"}, |
101 | { &PCMBitIndex, 1,"PBIN"}, |
102 | { &PCMAddressIndex, 4|RLSB, "PAIN"}, |
890e37ba |
103 | { &PCMSizeIndex, 4|RLSB, "PSIN"}, |
104 | { 0, } |
c62d2810 |
105 | }; |
106 | |
107 | |
890e37ba |
108 | |
109 | int WriteStateChunk(FILE *st, int type, SFORMAT *sf) |
c62d2810 |
110 | { |
890e37ba |
111 | int bsize, count; |
c62d2810 |
112 | int x; |
113 | |
890e37ba |
114 | count = x = 0; |
115 | while (sf[x++].v) count++; |
116 | |
c62d2810 |
117 | fputc(type,st); |
22f08d95 |
118 | |
c62d2810 |
119 | for(x=bsize=0;x<count;x++) |
120 | bsize+=sf[x].s&(~RLSB); |
121 | bsize+=count<<3; |
122 | write32(bsize,st); |
123 | for(x=0;x<count;x++) |
124 | { |
125 | fwrite(sf[x].desc,1,4,st); |
126 | write32(sf[x].s&(~RLSB),st); |
127 | #ifdef LSB_FIRST |
128 | fwrite((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
129 | #else |
130 | { |
131 | int z; |
132 | if(sf[x].s&RLSB) |
133 | { |
134 | for(z=(sf[x].s&(~RLSB))-1;z>=0;z--) |
135 | { |
136 | fputc(*(uint8*)sf[x].v,st); |
137 | } |
138 | } |
139 | else |
140 | fwrite((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
141 | } |
142 | #endif |
143 | } |
144 | return (bsize+5); |
145 | } |
146 | |
890e37ba |
147 | int ReadStateChunk(FILE *st, SFORMAT *sf, int size) |
c62d2810 |
148 | { |
149 | uint8 tmpyo[16]; |
890e37ba |
150 | int bsize, count; |
c62d2810 |
151 | int x; |
152 | |
890e37ba |
153 | // recalculate count ourselves |
154 | count = x = 0; |
155 | while (sf[x++].v) count++; |
156 | |
c62d2810 |
157 | for(x=bsize=0;x<count;x++) |
158 | bsize+=sf[x].s&(~RLSB); |
159 | if(stateversion>=53) |
160 | bsize+=count<<3; |
161 | else |
162 | { |
163 | if(bsize!=size) |
164 | { |
165 | fseek(st,size,SEEK_CUR); |
166 | return 0; |
167 | } |
168 | } |
169 | |
170 | if(stateversion<56) |
171 | memcpy(tmpyo,mapbyte3,16); |
172 | |
173 | if(stateversion>=53) |
174 | { |
175 | int temp; |
176 | temp=ftell(st); |
177 | |
178 | while(ftell(st)<temp+size) |
179 | { |
180 | int tsize; |
181 | char toa[4]; |
182 | |
183 | if(fread(toa,1,4,st)<=0) |
184 | return 0; |
185 | read32(&tsize,st); |
186 | |
187 | for(x=0;x<count;x++) |
188 | { |
189 | if(!memcmp(toa,sf[x].desc,4)) |
190 | { |
191 | if(tsize!=(sf[x].s&(~RLSB))) |
890e37ba |
192 | { |
193 | printf("ReadStateChunk: sect \"%c%c%c%c\" has wrong size\n", toa[0], toa[1], toa[2], toa[3]); |
c62d2810 |
194 | goto nkayo; |
890e37ba |
195 | } |
c62d2810 |
196 | #ifndef LSB_FIRST |
197 | if(sf[x].s&RLSB) |
198 | { |
199 | int z; |
22f08d95 |
200 | for(z=(sf[x].s&(~RLSB))-1;z>=0;z--) |
c62d2810 |
201 | *(uint8*)sf[x].v=fgetc(st); |
202 | } |
203 | else |
204 | #endif |
205 | { |
206 | fread((uint8 *)sf[x].v,1,sf[x].s&(~RLSB),st); |
207 | } |
208 | goto bloo; |
209 | } |
210 | } |
890e37ba |
211 | printf("ReadStateChunk: sect \"%c%c%c%c\" not handled\n", toa[0], toa[1], toa[2], toa[3]); |
c62d2810 |
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 | |
890e37ba |
248 | static int ReadStateChunks(FILE *st) |
c62d2810 |
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; |
890e37ba |
259 | |
260 | // printf("ReadStateChunks: chunk %i\n", t); |
c62d2810 |
261 | switch(t) |
262 | { |
890e37ba |
263 | case 1:if(!ReadStateChunk(st,SFCPU,size)) ret=0; |
92e249b1 |
264 | #ifdef ASM_6502 |
265 | asmcpu_unpack(); |
266 | #endif |
267 | break; |
890e37ba |
268 | case 2:if(!ReadStateChunk(st,SFCPUC,size)) ret=0; |
c62d2810 |
269 | else |
270 | { |
271 | X.mooPI=X.P; // Quick and dirty hack. |
272 | } |
273 | break; |
890e37ba |
274 | case 3:if(!ReadStateChunk(st,FCEUPPU_STATEINFO,size)) ret=0;break; |
275 | case 4:if(!ReadStateChunk(st,FCEUCTRL_STATEINFO,size)) ret=0;break; |
276 | case 5:if(!ReadStateChunk(st,SFSND,size)) ret=0;break; |
277 | case 0x10:if(!ReadStateChunk(st,SFMDATA,size)) ret=0;break; |
278 | default:printf("ReadStateChunks: unknown chunk: %i\n", t); |
279 | if(fseek(st,size,SEEK_CUR)<0) goto endo;break; |
c62d2810 |
280 | } |
281 | } |
282 | endo: |
283 | return ret; |
284 | } |
285 | |
286 | |
287 | int CurrentState=0; |
288 | extern int geniestage; |
289 | void SaveState(void) |
290 | { |
291 | FILE *st=NULL; |
292 | |
293 | TempAddrT=TempAddr; |
294 | RefreshAddrT=RefreshAddr; |
295 | |
296 | if(geniestage==1) |
297 | { |
298 | FCEU_DispMessage("Cannot save FCS in GG screen."); |
299 | return; |
300 | } |
301 | |
302 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0),"wb"); |
303 | |
304 | if(st!=NULL) |
305 | { |
306 | static uint32 totalsize; |
307 | static uint8 header[16]="FCS"; |
308 | memset(header+4,0,13); |
309 | header[3]=VERSION_NUMERIC; |
310 | fwrite(header,1,16,st); |
311 | |
92e249b1 |
312 | #ifdef ASM_6502 |
313 | asmcpu_pack(); |
314 | #endif |
890e37ba |
315 | totalsize=WriteStateChunk(st,1,SFCPU); |
316 | totalsize+=WriteStateChunk(st,2,SFCPUC); |
317 | totalsize+=WriteStateChunk(st,3,FCEUPPU_STATEINFO); |
318 | totalsize+=WriteStateChunk(st,4,FCEUCTRL_STATEINFO); |
319 | totalsize+=WriteStateChunk(st,5,SFSND); |
d97315ac |
320 | |
321 | |
322 | if(SPreSave) SPreSave(); |
890e37ba |
323 | totalsize+=WriteStateChunk(st,0x10,SFMDATA); |
d97315ac |
324 | if(SPostSave) SPostSave(); |
22f08d95 |
325 | |
c62d2810 |
326 | fseek(st,4,SEEK_SET); |
327 | write32(totalsize,st); |
328 | SaveStateStatus[CurrentState]=1; |
329 | fclose(st); |
92e249b1 |
330 | #ifdef GP2X |
331 | sync(); |
332 | #endif |
c62d2810 |
333 | FCEU_DispMessage("State %d saved.",CurrentState); |
334 | } |
335 | else |
336 | FCEU_DispMessage("State %d save error.",CurrentState); |
337 | } |
338 | |
339 | static int LoadStateOld(FILE *st); |
5a2aa426 |
340 | int FCEUSS_LoadFP(FILE *st, int make_backup) |
c62d2810 |
341 | { |
342 | int x; |
c62d2810 |
343 | if(st!=NULL) |
344 | { |
345 | uint8 header[16]; |
346 | |
347 | fread(&header,1,16,st); |
348 | if(memcmp(header,"FCS",3)) |
349 | { |
22f08d95 |
350 | fseek(st,0,SEEK_SET); |
c62d2810 |
351 | if(!LoadStateOld(st)) |
352 | goto lerror; |
353 | goto okload; |
354 | } |
355 | stateversion=header[3]; |
356 | if(stateversion<53) |
357 | FixOldSaveStateSFreq(); |
358 | x=ReadStateChunks(st); |
359 | if(GameStateRestore) GameStateRestore(header[3]); |
360 | if(x) |
361 | { |
362 | okload: |
363 | TempAddr=TempAddrT; |
364 | RefreshAddr=RefreshAddrT; |
365 | |
366 | SaveStateStatus[CurrentState]=1; |
367 | FCEU_DispMessage("State %d loaded.",CurrentState); |
368 | SaveStateStatus[CurrentState]=1; |
369 | } |
370 | else |
371 | { |
372 | SaveStateStatus[CurrentState]=1; |
373 | FCEU_DispMessage("Error(s) reading state %d!",CurrentState); |
374 | } |
375 | } |
376 | else |
377 | { |
378 | lerror: |
379 | FCEU_DispMessage("State %d load error.",CurrentState); |
380 | SaveStateStatus[CurrentState]=0; |
5a2aa426 |
381 | return 0; |
382 | } |
383 | return 1; |
384 | } |
385 | |
386 | void LoadState(void) |
387 | { |
388 | FILE *st=NULL; |
389 | |
390 | if(geniestage==1) |
391 | { |
392 | FCEU_DispMessage("Cannot load FCS in GG screen."); |
393 | return; |
394 | } |
395 | |
396 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0),"rb"); |
397 | if (st) |
398 | { |
399 | FCEUSS_LoadFP(st, 0); |
400 | fclose(st); |
c62d2810 |
401 | } |
c62d2810 |
402 | } |
403 | |
404 | char SaveStateStatus[10]; |
405 | void CheckStates(void) |
406 | { |
407 | FILE *st=NULL; |
408 | int ssel; |
409 | |
22f08d95 |
410 | if(SaveStateStatus[0]==(char)-1) |
c62d2810 |
411 | for(ssel=0;ssel<10;ssel++) |
412 | { |
413 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,ssel,0),"rb"); |
414 | if(st) |
415 | { |
416 | SaveStateStatus[ssel]=1; |
417 | fclose(st); |
418 | } |
419 | else |
420 | SaveStateStatus[ssel]=0; |
421 | } |
422 | } |
423 | |
424 | void SaveStateRefresh(void) |
425 | { |
426 | SaveStateStatus[0]=-1; |
427 | } |
428 | |
d97315ac |
429 | void ResetExState(void (*PreSave)(void), void (*PostSave)(void)) |
c62d2810 |
430 | { |
431 | int x; |
432 | for(x=0;x<SFEXINDEX;x++) |
d97315ac |
433 | { |
434 | if(SFMDATA[x].desc) |
435 | free(SFMDATA[x].desc); |
436 | } |
437 | SPreSave = PreSave; |
438 | SPostSave = PostSave; |
c62d2810 |
439 | SFEXINDEX=0; |
440 | } |
441 | |
d97315ac |
442 | |
c62d2810 |
443 | void AddExState(void *v, uint32 s, int type, char *desc) |
444 | { |
d97315ac |
445 | if(desc) |
c62d2810 |
446 | { |
d97315ac |
447 | SFMDATA[SFEXINDEX].desc=(char *)FCEU_malloc(5); |
c62d2810 |
448 | strcpy(SFMDATA[SFEXINDEX].desc,desc); |
c62d2810 |
449 | } |
d97315ac |
450 | else |
451 | // SFMDATA[SFEXINDEX].desc=0; |
452 | return; // do not support recursive save structures |
453 | SFMDATA[SFEXINDEX].v=v; |
454 | SFMDATA[SFEXINDEX].s=s; |
455 | if(type) SFMDATA[SFEXINDEX].s|=RLSB; |
456 | if(SFEXINDEX<SFMDATA_SIZE-1) |
457 | SFEXINDEX++; |
458 | else |
459 | { |
460 | static int once=1; |
461 | if(once) |
462 | { |
463 | once=0; |
464 | FCEU_PrintError("Error in AddExState: SFEXINDEX overflow.\nSomebody made SFMDATA_SIZE too small."); |
465 | } |
466 | } |
467 | SFMDATA[SFEXINDEX].v=0; // End marker. |
c62d2810 |
468 | } |
469 | |
d97315ac |
470 | |
c62d2810 |
471 | /* Old state loading code follows */ |
472 | |
473 | uint8 *StateBuffer; |
474 | unsigned int intostate; |
475 | |
476 | static void afread(void *ptr, size_t _size, size_t _nelem) |
477 | { |
478 | memcpy(ptr,StateBuffer+intostate,_size*_nelem); |
479 | intostate+=_size*_nelem; |
480 | } |
481 | |
482 | |
483 | static void areadlower8of16(int8 *d) |
484 | { |
485 | #ifdef LSB_FIRST |
486 | *d=StateBuffer[intostate++]; |
487 | #else |
488 | d[1]=StateBuffer[intostate++]; |
489 | #endif |
490 | } |
491 | |
492 | |
493 | static void areadupper8of16(int8 *d) |
494 | { |
495 | #ifdef LSB_FIRST |
496 | d[1]=StateBuffer[intostate++]; |
497 | #else |
498 | *d=StateBuffer[intostate++]; |
499 | #endif |
500 | } |
501 | |
502 | |
503 | static void aread16(int8 *d) |
504 | { |
505 | #ifdef LSB_FIRST |
506 | *d=StateBuffer[intostate++]; |
507 | d[1]=StateBuffer[intostate++]; |
508 | #else |
509 | d[1]=StateBuffer[intostate++]; |
510 | *d=StateBuffer[intostate++]; |
511 | #endif |
512 | } |
513 | |
514 | |
515 | static void aread32(int8 *d) |
516 | { |
517 | #ifdef LSB_FIRST |
518 | *d=StateBuffer[intostate++]; |
519 | d[1]=StateBuffer[intostate++]; |
520 | d[2]=StateBuffer[intostate++]; |
521 | d[3]=StateBuffer[intostate++]; |
522 | #else |
523 | d[3]=StateBuffer[intostate++]; |
524 | d[2]=StateBuffer[intostate++]; |
525 | d[1]=StateBuffer[intostate++]; |
526 | *d=StateBuffer[intostate++]; |
527 | #endif |
528 | } |
529 | |
530 | static int LoadStateOld(FILE *st) |
531 | { |
532 | int x; |
533 | int32 nada; |
534 | uint8 version; |
535 | nada=0; |
22f08d95 |
536 | |
890e37ba |
537 | printf("LoadStateOld\n"); |
538 | |
c62d2810 |
539 | StateBuffer=FCEU_malloc(59999); |
540 | if(StateBuffer==NULL) |
541 | return 0; |
542 | if(!fread(StateBuffer,59999,1,st)) |
543 | { |
544 | fclose(st); |
545 | free(StateBuffer); |
546 | return 0; |
547 | } |
548 | |
549 | intostate=0; |
550 | |
551 | { |
552 | uint8 a[2]; |
553 | afread(&a[0],1,1); |
554 | afread(&a[1],1,1); |
555 | X.PC=a[0]|(a[1]<<8); |
556 | } |
557 | afread(&X.A,1,1); |
558 | afread(&X.P,1,1); |
559 | afread(&X.X,1,1); |
560 | afread(&X.Y,1,1); |
561 | afread(&X.S,1,1); |
562 | afread(&version,1,1); |
563 | afread(&nada,1,1); |
564 | afread(&nada,1,1); |
565 | afread(&nada,1,1); |
566 | afread(&nada,1,1); |
567 | aread32((int8 *)&X.count); |
568 | afread(&nada,1,1); |
569 | afread(&nada,1,1); |
570 | afread(&nada,1,1); |
571 | afread(&nada,1,1); |
572 | aread32((int8 *)&nada); |
573 | afread(&nada,1,1); |
574 | afread(&nada,1,1); |
575 | afread(&nada,1,1); |
576 | afread(&nada,1,1); |
22f08d95 |
577 | |
c62d2810 |
578 | for(x=0;x<8;x++) |
579 | areadupper8of16((int8 *)&CHRBankList[x]); |
580 | afread(PRGBankList,4,1); |
581 | for(x=0;x<8;x++) |
582 | areadlower8of16((int8 *)&CHRBankList[x]); |
583 | afread(CHRRAM,1,0x2000); |
584 | afread(NTARAM,1,0x400); |
585 | afread(ExtraNTARAM,1,0x400); |
586 | afread(NTARAM+0x400,1,0x400); |
587 | afread(ExtraNTARAM+0x400,1,0x400); |
588 | |
589 | for(x=0;x<0xF00;x++) |
590 | afread(&nada,1,1); |
591 | afread(PALRAM,1,0x20); |
592 | for(x=0;x<256-32;x++) |
593 | afread(&nada,1,1); |
594 | for(x=0x00;x<0x20;x++) |
595 | PALRAM[x]&=0x3f; |
596 | afread(PPU,1,4); |
597 | afread(SPRAM,1,0x100); |
598 | afread(WRAM,1,8192); |
599 | afread(RAM,1,0x800); |
600 | aread16((int8 *)&scanline); |
601 | aread16((int8 *)&RefreshAddr); |
602 | afread(&VRAMBuffer,1,1); |
22f08d95 |
603 | |
c62d2810 |
604 | afread(&IRQa,1,1); |
605 | aread32((int8 *)&IRQCount); |
606 | aread32((int8 *)&IRQLatch); |
607 | afread(&Mirroring,1,1); |
608 | afread(PSG,1,0x17); |
609 | PSG[0x11]&=0x7F; |
610 | afread(MapperExRAM,1,193); |
611 | if(version>=31) |
612 | PSG[0x17]=MapperExRAM[115]; |
613 | else |
614 | PSG[0x17]|=0x40; |
615 | PSG[0x15]&=0xF; |
616 | sqnon=PSG[0x15]; |
617 | |
618 | X.IRQlow=0; |
619 | afread(&nada,1,1); |
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(&XOffset,1,1); |
626 | PPUCHRRAM=0; |
627 | for(x=0;x<8;x++) |
628 | { |
629 | nada=0; |
630 | afread(&nada,1,1); |
22f08d95 |
631 | PPUCHRRAM|=(nada?1:0)<<x; |
c62d2810 |
632 | } |
22f08d95 |
633 | |
c62d2810 |
634 | afread(mapbyte1,1,8); |
635 | afread(mapbyte2,1,8); |
636 | afread(mapbyte3,1,8); |
637 | afread(mapbyte4,1,8); |
638 | for(x=0;x<4;x++) |
639 | aread16((int8 *)&nada); |
22f08d95 |
640 | |
c62d2810 |
641 | PPUNTARAM=0; |
642 | for(x=0;x<4;x++) |
643 | { |
644 | nada=0; |
645 | aread16((int8 *)&nada); |
646 | PPUNTARAM|=((nada&0x800)?0:1)<<x; |
647 | } |
648 | afread(MapperExRAM,1,32768); |
649 | afread(&vtoggle,1,1); |
650 | aread16((int8 *)&TempAddrT); |
651 | aread16((int8 *)&RefreshAddrT); |
22f08d95 |
652 | |
c62d2810 |
653 | if(GameStateRestore) GameStateRestore(version); |
654 | free(StateBuffer); |
655 | FixOldSaveStateSFreq(); |
656 | X.mooPI=X.P; |
657 | return 1; |
658 | } |
659 | |