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" |
a384bf44 |
36 | #include "sound098.h" |
c62d2810 |
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" |
5232c20c |
45 | #include "ppu.h" |
c62d2810 |
46 | |
d97315ac |
47 | static void (*SPreSave)(void) = 0; |
48 | static void (*SPostSave)(void) = 0; |
49 | |
50 | #define SFMDATA_SIZE (64) |
51 | static SFORMAT SFMDATA[SFMDATA_SIZE]; |
c62d2810 |
52 | static int SFEXINDEX; |
53 | static int stateversion; |
54 | |
890e37ba |
55 | extern SFORMAT FCEUPPU_STATEINFO[]; // 3 |
56 | extern SFORMAT FCEUCTRL_STATEINFO[]; // 4 |
c62d2810 |
57 | |
890e37ba |
58 | SFORMAT SFCPU[]={ // 1 |
c62d2810 |
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"}, |
890e37ba |
65 | { RAM, 0x800, "RAM"}, |
66 | { 0, } |
c62d2810 |
67 | }; |
68 | |
890e37ba |
69 | SFORMAT SFCPUC[]={ // 2 |
c62d2810 |
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"}, |
890e37ba |
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, } |
c62d2810 |
81 | }; |
82 | |
890e37ba |
83 | extern uint16 TempAddrT,RefreshAddrT; |
c62d2810 |
84 | |
c62d2810 |
85 | |
890e37ba |
86 | SFORMAT SFSND[]={ |
c62d2810 |
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"}, |
890e37ba |
104 | { &PCMSizeIndex, 4|RLSB, "PSIN"}, |
105 | { 0, } |
c62d2810 |
106 | }; |
107 | |
a384bf44 |
108 | extern SFORMAT FCEUSND_STATEINFO[]; // TODO: unify? |
109 | #define get_snd_sf() (use098code ? FCEUSND_STATEINFO : SFSND) |
c62d2810 |
110 | |
890e37ba |
111 | |
0bb3fe12 |
112 | static int SubWrite(FILE *st, SFORMAT *sf) |
c62d2810 |
113 | { |
0bb3fe12 |
114 | uint32 acc=0; |
c62d2810 |
115 | |
0bb3fe12 |
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; |
890e37ba |
158 | |
c62d2810 |
159 | fputc(type,st); |
22f08d95 |
160 | |
0bb3fe12 |
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) |
c62d2810 |
174 | { |
0bb3fe12 |
175 | if(sf->s==~0) /* Link to another SFORMAT structure. */ |
c62d2810 |
176 | { |
0bb3fe12 |
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)) |
c62d2810 |
184 | { |
0bb3fe12 |
185 | if(tsize!=(sf->s&(~RLSB))) |
c62d2810 |
186 | { |
0bb3fe12 |
187 | printf("ReadStateChunk: sect \"%c%c%c%c\" has wrong size\n", desc[0], desc[1], desc[2], desc[3]); |
188 | return(0); |
c62d2810 |
189 | } |
0bb3fe12 |
190 | return(sf); |
c62d2810 |
191 | } |
0bb3fe12 |
192 | sf++; |
c62d2810 |
193 | } |
0bb3fe12 |
194 | return(0); |
c62d2810 |
195 | } |
196 | |
0bb3fe12 |
197 | static int ReadStateChunk(FILE *st, SFORMAT *sf, int size) |
c62d2810 |
198 | { |
0bb3fe12 |
199 | //if(scan_chunks) |
200 | // return fseek(st,size,SEEK_CUR) == 0; |
c62d2810 |
201 | |
0bb3fe12 |
202 | SFORMAT *tmp; |
203 | int temp; |
204 | temp=ftell(st); |
890e37ba |
205 | |
0bb3fe12 |
206 | while(ftell(st)<temp+size) |
c62d2810 |
207 | { |
0bb3fe12 |
208 | uint32 tsize; |
209 | char toa[4]; |
210 | if(fread(toa,1,4,st)<=0) |
c62d2810 |
211 | return 0; |
c62d2810 |
212 | |
0bb3fe12 |
213 | read32le(&tsize,st); |
c62d2810 |
214 | |
0bb3fe12 |
215 | if((tmp=CheckS(sf,tsize,toa))) |
c62d2810 |
216 | { |
0bb3fe12 |
217 | fread((uint8 *)tmp->v,1,tmp->s&(~RLSB),st); |
c62d2810 |
218 | |
0bb3fe12 |
219 | #ifndef LSB_FIRST |
220 | if(tmp->s&RLSB) |
221 | FlipByteOrder(tmp->v,tmp->s&(~RLSB)); |
c62d2810 |
222 | #endif |
223 | } |
0bb3fe12 |
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(...) |
c62d2810 |
230 | return 1; |
231 | } |
232 | |
0bb3fe12 |
233 | |
890e37ba |
234 | static int ReadStateChunks(FILE *st) |
c62d2810 |
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; |
890e37ba |
245 | |
246 | // printf("ReadStateChunks: chunk %i\n", t); |
c62d2810 |
247 | switch(t) |
248 | { |
890e37ba |
249 | case 1:if(!ReadStateChunk(st,SFCPU,size)) ret=0; |
92e249b1 |
250 | #ifdef ASM_6502 |
251 | asmcpu_unpack(); |
252 | #endif |
253 | break; |
890e37ba |
254 | case 2:if(!ReadStateChunk(st,SFCPUC,size)) ret=0; |
c62d2810 |
255 | else |
256 | { |
257 | X.mooPI=X.P; // Quick and dirty hack. |
258 | } |
259 | break; |
890e37ba |
260 | case 3:if(!ReadStateChunk(st,FCEUPPU_STATEINFO,size)) ret=0;break; |
261 | case 4:if(!ReadStateChunk(st,FCEUCTRL_STATEINFO,size)) ret=0;break; |
a384bf44 |
262 | case 5:if(!ReadStateChunk(st,get_snd_sf(),size)) ret=0;break; |
890e37ba |
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; |
c62d2810 |
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; |
971a1d07 |
278 | char *fname; |
c62d2810 |
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 | |
971a1d07 |
289 | fname = FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0); |
290 | st=fopen(fname,"wb"); |
291 | free(fname); |
c62d2810 |
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 | |
a384bf44 |
301 | FCEUSND_SaveState(); |
92e249b1 |
302 | #ifdef ASM_6502 |
303 | asmcpu_pack(); |
304 | #endif |
890e37ba |
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); |
a384bf44 |
309 | totalsize+=WriteStateChunk(st,5,get_snd_sf()); |
d97315ac |
310 | |
311 | |
312 | if(SPreSave) SPreSave(); |
890e37ba |
313 | totalsize+=WriteStateChunk(st,0x10,SFMDATA); |
d97315ac |
314 | if(SPostSave) SPostSave(); |
22f08d95 |
315 | |
c62d2810 |
316 | fseek(st,4,SEEK_SET); |
317 | write32(totalsize,st); |
318 | SaveStateStatus[CurrentState]=1; |
319 | fclose(st); |
92e249b1 |
320 | #ifdef GP2X |
321 | sync(); |
322 | #endif |
c62d2810 |
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); |
5a2aa426 |
330 | int FCEUSS_LoadFP(FILE *st, int make_backup) |
c62d2810 |
331 | { |
332 | int x; |
c62d2810 |
333 | if(st!=NULL) |
334 | { |
335 | uint8 header[16]; |
336 | |
337 | fread(&header,1,16,st); |
338 | if(memcmp(header,"FCS",3)) |
339 | { |
22f08d95 |
340 | fseek(st,0,SEEK_SET); |
c62d2810 |
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: |
a384bf44 |
353 | FCEUSND_LoadState(header[3]); |
c62d2810 |
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; |
5a2aa426 |
372 | return 0; |
373 | } |
374 | return 1; |
375 | } |
376 | |
377 | void LoadState(void) |
378 | { |
379 | FILE *st=NULL; |
971a1d07 |
380 | char *fname; |
5a2aa426 |
381 | |
382 | if(geniestage==1) |
383 | { |
384 | FCEU_DispMessage("Cannot load FCS in GG screen."); |
385 | return; |
386 | } |
387 | |
971a1d07 |
388 | fname = FCEU_MakeFName(FCEUMKF_STATE,CurrentState,0); |
389 | st=fopen(fname,"rb"); |
390 | free(fname); |
391 | |
5a2aa426 |
392 | if (st) |
393 | { |
394 | FCEUSS_LoadFP(st, 0); |
395 | fclose(st); |
c62d2810 |
396 | } |
971a1d07 |
397 | else |
398 | { |
399 | FCEU_DispMessage("State %d load error (no file).",CurrentState); |
400 | SaveStateStatus[CurrentState]=0; |
401 | } |
c62d2810 |
402 | } |
403 | |
404 | char SaveStateStatus[10]; |
971a1d07 |
405 | #if 0 // leaks memory |
c62d2810 |
406 | void CheckStates(void) |
407 | { |
408 | FILE *st=NULL; |
409 | int ssel; |
410 | |
22f08d95 |
411 | if(SaveStateStatus[0]==(char)-1) |
c62d2810 |
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 | } |
971a1d07 |
424 | #endif |
c62d2810 |
425 | |
426 | void SaveStateRefresh(void) |
427 | { |
428 | SaveStateStatus[0]=-1; |
429 | } |
430 | |
d97315ac |
431 | void ResetExState(void (*PreSave)(void), void (*PostSave)(void)) |
c62d2810 |
432 | { |
433 | int x; |
434 | for(x=0;x<SFEXINDEX;x++) |
d97315ac |
435 | { |
436 | if(SFMDATA[x].desc) |
437 | free(SFMDATA[x].desc); |
438 | } |
439 | SPreSave = PreSave; |
440 | SPostSave = PostSave; |
c62d2810 |
441 | SFEXINDEX=0; |
442 | } |
443 | |
d97315ac |
444 | |
c62d2810 |
445 | void AddExState(void *v, uint32 s, int type, char *desc) |
446 | { |
d97315ac |
447 | if(desc) |
c62d2810 |
448 | { |
d97315ac |
449 | SFMDATA[SFEXINDEX].desc=(char *)FCEU_malloc(5); |
c62d2810 |
450 | strcpy(SFMDATA[SFEXINDEX].desc,desc); |
c62d2810 |
451 | } |
d97315ac |
452 | else |
0bb3fe12 |
453 | SFMDATA[SFEXINDEX].desc=0; |
d97315ac |
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. |
c62d2810 |
469 | } |
470 | |
d97315ac |
471 | |
c62d2810 |
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; |
22f08d95 |
537 | |
890e37ba |
538 | printf("LoadStateOld\n"); |
539 | |
c62d2810 |
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); |
22f08d95 |
578 | |
c62d2810 |
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); |
22f08d95 |
604 | |
c62d2810 |
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); |
22f08d95 |
632 | PPUCHRRAM|=(nada?1:0)<<x; |
c62d2810 |
633 | } |
22f08d95 |
634 | |
c62d2810 |
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); |
22f08d95 |
641 | |
c62d2810 |
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); |
22f08d95 |
653 | |
c62d2810 |
654 | if(GameStateRestore) GameStateRestore(version); |
655 | free(StateBuffer); |
656 | FixOldSaveStateSFreq(); |
657 | X.mooPI=X.P; |
658 | return 1; |
659 | } |
660 | |