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; |
971a1d07 |
292 | char *fname; |
c62d2810 |
293 | |
294 | TempAddrT=TempAddr; |
295 | RefreshAddrT=RefreshAddr; |
296 | |
297 | if(geniestage==1) |
298 | { |
299 | FCEU_DispMessage("Cannot save FCS in GG screen."); |
300 | return; |
301 | } |
302 | |
971a1d07 |
303 | fname = FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0); |
304 | st=fopen(fname,"wb"); |
305 | free(fname); |
c62d2810 |
306 | |
307 | if(st!=NULL) |
308 | { |
309 | static uint32 totalsize; |
310 | static uint8 header[16]="FCS"; |
311 | memset(header+4,0,13); |
312 | header[3]=VERSION_NUMERIC; |
313 | fwrite(header,1,16,st); |
314 | |
92e249b1 |
315 | #ifdef ASM_6502 |
316 | asmcpu_pack(); |
317 | #endif |
890e37ba |
318 | totalsize=WriteStateChunk(st,1,SFCPU); |
319 | totalsize+=WriteStateChunk(st,2,SFCPUC); |
320 | totalsize+=WriteStateChunk(st,3,FCEUPPU_STATEINFO); |
321 | totalsize+=WriteStateChunk(st,4,FCEUCTRL_STATEINFO); |
322 | totalsize+=WriteStateChunk(st,5,SFSND); |
d97315ac |
323 | |
324 | |
325 | if(SPreSave) SPreSave(); |
890e37ba |
326 | totalsize+=WriteStateChunk(st,0x10,SFMDATA); |
d97315ac |
327 | if(SPostSave) SPostSave(); |
22f08d95 |
328 | |
c62d2810 |
329 | fseek(st,4,SEEK_SET); |
330 | write32(totalsize,st); |
331 | SaveStateStatus[CurrentState]=1; |
332 | fclose(st); |
92e249b1 |
333 | #ifdef GP2X |
334 | sync(); |
335 | #endif |
c62d2810 |
336 | FCEU_DispMessage("State %d saved.",CurrentState); |
337 | } |
338 | else |
339 | FCEU_DispMessage("State %d save error.",CurrentState); |
340 | } |
341 | |
342 | static int LoadStateOld(FILE *st); |
5a2aa426 |
343 | int FCEUSS_LoadFP(FILE *st, int make_backup) |
c62d2810 |
344 | { |
345 | int x; |
c62d2810 |
346 | if(st!=NULL) |
347 | { |
348 | uint8 header[16]; |
349 | |
350 | fread(&header,1,16,st); |
351 | if(memcmp(header,"FCS",3)) |
352 | { |
22f08d95 |
353 | fseek(st,0,SEEK_SET); |
c62d2810 |
354 | if(!LoadStateOld(st)) |
355 | goto lerror; |
356 | goto okload; |
357 | } |
358 | stateversion=header[3]; |
359 | if(stateversion<53) |
360 | FixOldSaveStateSFreq(); |
361 | x=ReadStateChunks(st); |
362 | if(GameStateRestore) GameStateRestore(header[3]); |
363 | if(x) |
364 | { |
365 | okload: |
366 | TempAddr=TempAddrT; |
367 | RefreshAddr=RefreshAddrT; |
368 | |
369 | SaveStateStatus[CurrentState]=1; |
370 | FCEU_DispMessage("State %d loaded.",CurrentState); |
371 | SaveStateStatus[CurrentState]=1; |
372 | } |
373 | else |
374 | { |
375 | SaveStateStatus[CurrentState]=1; |
376 | FCEU_DispMessage("Error(s) reading state %d!",CurrentState); |
377 | } |
378 | } |
379 | else |
380 | { |
381 | lerror: |
382 | FCEU_DispMessage("State %d load error.",CurrentState); |
383 | SaveStateStatus[CurrentState]=0; |
5a2aa426 |
384 | return 0; |
385 | } |
386 | return 1; |
387 | } |
388 | |
389 | void LoadState(void) |
390 | { |
391 | FILE *st=NULL; |
971a1d07 |
392 | char *fname; |
5a2aa426 |
393 | |
394 | if(geniestage==1) |
395 | { |
396 | FCEU_DispMessage("Cannot load FCS in GG screen."); |
397 | return; |
398 | } |
399 | |
971a1d07 |
400 | fname = FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0); |
401 | st=fopen(fname,"rb"); |
402 | free(fname); |
403 | |
5a2aa426 |
404 | if (st) |
405 | { |
406 | FCEUSS_LoadFP(st, 0); |
407 | fclose(st); |
c62d2810 |
408 | } |
971a1d07 |
409 | else |
410 | { |
411 | FCEU_DispMessage("State %d load error (no file).",CurrentState); |
412 | SaveStateStatus[CurrentState]=0; |
413 | } |
c62d2810 |
414 | } |
415 | |
416 | char SaveStateStatus[10]; |
971a1d07 |
417 | #if 0 // leaks memory |
c62d2810 |
418 | void CheckStates(void) |
419 | { |
420 | FILE *st=NULL; |
421 | int ssel; |
422 | |
22f08d95 |
423 | if(SaveStateStatus[0]==(char)-1) |
c62d2810 |
424 | for(ssel=0;ssel<10;ssel++) |
425 | { |
426 | st=fopen(FCEU_MakeFName(FCEUMKF_STATE,ssel,0),"rb"); |
427 | if(st) |
428 | { |
429 | SaveStateStatus[ssel]=1; |
430 | fclose(st); |
431 | } |
432 | else |
433 | SaveStateStatus[ssel]=0; |
434 | } |
435 | } |
971a1d07 |
436 | #endif |
c62d2810 |
437 | |
438 | void SaveStateRefresh(void) |
439 | { |
440 | SaveStateStatus[0]=-1; |
441 | } |
442 | |
d97315ac |
443 | void ResetExState(void (*PreSave)(void), void (*PostSave)(void)) |
c62d2810 |
444 | { |
445 | int x; |
446 | for(x=0;x<SFEXINDEX;x++) |
d97315ac |
447 | { |
448 | if(SFMDATA[x].desc) |
449 | free(SFMDATA[x].desc); |
450 | } |
451 | SPreSave = PreSave; |
452 | SPostSave = PostSave; |
c62d2810 |
453 | SFEXINDEX=0; |
454 | } |
455 | |
d97315ac |
456 | |
c62d2810 |
457 | void AddExState(void *v, uint32 s, int type, char *desc) |
458 | { |
d97315ac |
459 | if(desc) |
c62d2810 |
460 | { |
d97315ac |
461 | SFMDATA[SFEXINDEX].desc=(char *)FCEU_malloc(5); |
c62d2810 |
462 | strcpy(SFMDATA[SFEXINDEX].desc,desc); |
c62d2810 |
463 | } |
d97315ac |
464 | else |
465 | // SFMDATA[SFEXINDEX].desc=0; |
466 | return; // do not support recursive save structures |
467 | SFMDATA[SFEXINDEX].v=v; |
468 | SFMDATA[SFEXINDEX].s=s; |
469 | if(type) SFMDATA[SFEXINDEX].s|=RLSB; |
470 | if(SFEXINDEX<SFMDATA_SIZE-1) |
471 | SFEXINDEX++; |
472 | else |
473 | { |
474 | static int once=1; |
475 | if(once) |
476 | { |
477 | once=0; |
478 | FCEU_PrintError("Error in AddExState: SFEXINDEX overflow.\nSomebody made SFMDATA_SIZE too small."); |
479 | } |
480 | } |
481 | SFMDATA[SFEXINDEX].v=0; // End marker. |
c62d2810 |
482 | } |
483 | |
d97315ac |
484 | |
c62d2810 |
485 | /* Old state loading code follows */ |
486 | |
487 | uint8 *StateBuffer; |
488 | unsigned int intostate; |
489 | |
490 | static void afread(void *ptr, size_t _size, size_t _nelem) |
491 | { |
492 | memcpy(ptr,StateBuffer+intostate,_size*_nelem); |
493 | intostate+=_size*_nelem; |
494 | } |
495 | |
496 | |
497 | static void areadlower8of16(int8 *d) |
498 | { |
499 | #ifdef LSB_FIRST |
500 | *d=StateBuffer[intostate++]; |
501 | #else |
502 | d[1]=StateBuffer[intostate++]; |
503 | #endif |
504 | } |
505 | |
506 | |
507 | static void areadupper8of16(int8 *d) |
508 | { |
509 | #ifdef LSB_FIRST |
510 | d[1]=StateBuffer[intostate++]; |
511 | #else |
512 | *d=StateBuffer[intostate++]; |
513 | #endif |
514 | } |
515 | |
516 | |
517 | static void aread16(int8 *d) |
518 | { |
519 | #ifdef LSB_FIRST |
520 | *d=StateBuffer[intostate++]; |
521 | d[1]=StateBuffer[intostate++]; |
522 | #else |
523 | d[1]=StateBuffer[intostate++]; |
524 | *d=StateBuffer[intostate++]; |
525 | #endif |
526 | } |
527 | |
528 | |
529 | static void aread32(int8 *d) |
530 | { |
531 | #ifdef LSB_FIRST |
532 | *d=StateBuffer[intostate++]; |
533 | d[1]=StateBuffer[intostate++]; |
534 | d[2]=StateBuffer[intostate++]; |
535 | d[3]=StateBuffer[intostate++]; |
536 | #else |
537 | d[3]=StateBuffer[intostate++]; |
538 | d[2]=StateBuffer[intostate++]; |
539 | d[1]=StateBuffer[intostate++]; |
540 | *d=StateBuffer[intostate++]; |
541 | #endif |
542 | } |
543 | |
544 | static int LoadStateOld(FILE *st) |
545 | { |
546 | int x; |
547 | int32 nada; |
548 | uint8 version; |
549 | nada=0; |
22f08d95 |
550 | |
890e37ba |
551 | printf("LoadStateOld\n"); |
552 | |
c62d2810 |
553 | StateBuffer=FCEU_malloc(59999); |
554 | if(StateBuffer==NULL) |
555 | return 0; |
556 | if(!fread(StateBuffer,59999,1,st)) |
557 | { |
558 | fclose(st); |
559 | free(StateBuffer); |
560 | return 0; |
561 | } |
562 | |
563 | intostate=0; |
564 | |
565 | { |
566 | uint8 a[2]; |
567 | afread(&a[0],1,1); |
568 | afread(&a[1],1,1); |
569 | X.PC=a[0]|(a[1]<<8); |
570 | } |
571 | afread(&X.A,1,1); |
572 | afread(&X.P,1,1); |
573 | afread(&X.X,1,1); |
574 | afread(&X.Y,1,1); |
575 | afread(&X.S,1,1); |
576 | afread(&version,1,1); |
577 | afread(&nada,1,1); |
578 | afread(&nada,1,1); |
579 | afread(&nada,1,1); |
580 | afread(&nada,1,1); |
581 | aread32((int8 *)&X.count); |
582 | afread(&nada,1,1); |
583 | afread(&nada,1,1); |
584 | afread(&nada,1,1); |
585 | afread(&nada,1,1); |
586 | aread32((int8 *)&nada); |
587 | afread(&nada,1,1); |
588 | afread(&nada,1,1); |
589 | afread(&nada,1,1); |
590 | afread(&nada,1,1); |
22f08d95 |
591 | |
c62d2810 |
592 | for(x=0;x<8;x++) |
593 | areadupper8of16((int8 *)&CHRBankList[x]); |
594 | afread(PRGBankList,4,1); |
595 | for(x=0;x<8;x++) |
596 | areadlower8of16((int8 *)&CHRBankList[x]); |
597 | afread(CHRRAM,1,0x2000); |
598 | afread(NTARAM,1,0x400); |
599 | afread(ExtraNTARAM,1,0x400); |
600 | afread(NTARAM+0x400,1,0x400); |
601 | afread(ExtraNTARAM+0x400,1,0x400); |
602 | |
603 | for(x=0;x<0xF00;x++) |
604 | afread(&nada,1,1); |
605 | afread(PALRAM,1,0x20); |
606 | for(x=0;x<256-32;x++) |
607 | afread(&nada,1,1); |
608 | for(x=0x00;x<0x20;x++) |
609 | PALRAM[x]&=0x3f; |
610 | afread(PPU,1,4); |
611 | afread(SPRAM,1,0x100); |
612 | afread(WRAM,1,8192); |
613 | afread(RAM,1,0x800); |
614 | aread16((int8 *)&scanline); |
615 | aread16((int8 *)&RefreshAddr); |
616 | afread(&VRAMBuffer,1,1); |
22f08d95 |
617 | |
c62d2810 |
618 | afread(&IRQa,1,1); |
619 | aread32((int8 *)&IRQCount); |
620 | aread32((int8 *)&IRQLatch); |
621 | afread(&Mirroring,1,1); |
622 | afread(PSG,1,0x17); |
623 | PSG[0x11]&=0x7F; |
624 | afread(MapperExRAM,1,193); |
625 | if(version>=31) |
626 | PSG[0x17]=MapperExRAM[115]; |
627 | else |
628 | PSG[0x17]|=0x40; |
629 | PSG[0x15]&=0xF; |
630 | sqnon=PSG[0x15]; |
631 | |
632 | X.IRQlow=0; |
633 | afread(&nada,1,1); |
634 | afread(&nada,1,1); |
635 | afread(&nada,1,1); |
636 | afread(&nada,1,1); |
637 | afread(&nada,1,1); |
638 | afread(&nada,1,1); |
639 | afread(&XOffset,1,1); |
640 | PPUCHRRAM=0; |
641 | for(x=0;x<8;x++) |
642 | { |
643 | nada=0; |
644 | afread(&nada,1,1); |
22f08d95 |
645 | PPUCHRRAM|=(nada?1:0)<<x; |
c62d2810 |
646 | } |
22f08d95 |
647 | |
c62d2810 |
648 | afread(mapbyte1,1,8); |
649 | afread(mapbyte2,1,8); |
650 | afread(mapbyte3,1,8); |
651 | afread(mapbyte4,1,8); |
652 | for(x=0;x<4;x++) |
653 | aread16((int8 *)&nada); |
22f08d95 |
654 | |
c62d2810 |
655 | PPUNTARAM=0; |
656 | for(x=0;x<4;x++) |
657 | { |
658 | nada=0; |
659 | aread16((int8 *)&nada); |
660 | PPUNTARAM|=((nada&0x800)?0:1)<<x; |
661 | } |
662 | afread(MapperExRAM,1,32768); |
663 | afread(&vtoggle,1,1); |
664 | aread16((int8 *)&TempAddrT); |
665 | aread16((int8 *)&RefreshAddrT); |
22f08d95 |
666 | |
c62d2810 |
667 | if(GameStateRestore) GameStateRestore(version); |
668 | free(StateBuffer); |
669 | FixOldSaveStateSFreq(); |
670 | X.mooPI=X.P; |
671 | return 1; |
672 | } |
673 | |