c62d2810 |
1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
d97315ac |
4 | * Copyright (C) 2002 Xodnizel |
c62d2810 |
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 | #include <string.h> |
22 | #include <stdlib.h> |
d97315ac |
23 | #include <stdio.h> |
c62d2810 |
24 | |
25 | #include "types.h" |
c62d2810 |
26 | #include "fce.h" |
d97315ac |
27 | #include "ppu.h" |
28 | |
c62d2810 |
29 | #include "cart.h" |
30 | #include "memory.h" |
d97315ac |
31 | #include "x6502.h" |
c62d2810 |
32 | |
33 | #include "general.h" |
d97315ac |
34 | |
c62d2810 |
35 | #include "svga.h" |
d97315ac |
36 | #include "file.h" |
37 | |
38 | #define FCEUPPU_LineUpdate(...) |
c62d2810 |
39 | |
937bf65b |
40 | /* |
c62d2810 |
41 | This file contains all code for coordinating the mapping in of the |
42 | address space external to the NES. |
43 | It's also (ab)used by the NSF code. |
44 | */ |
45 | |
46 | uint8 *Page[32],*VPage[8]; |
47 | uint8 **VPageR=VPage; |
48 | uint8 *VPageG[8]; |
49 | uint8 *MMC5SPRVPage[8]; |
50 | uint8 *MMC5BGVPage[8]; |
51 | |
d97315ac |
52 | static uint8 PRGIsRAM[32]; /* This page is/is not PRG RAM. */ |
c62d2810 |
53 | |
d97315ac |
54 | /* 16 are (sort of) reserved for UNIF/iNES and 16 to map other stuff. */ |
c62d2810 |
55 | static int CHRram[32]; |
56 | static int PRGram[32]; |
57 | |
58 | uint8 *PRGptr[32]; |
59 | uint8 *CHRptr[32]; |
60 | |
61 | uint32 PRGsize[32]; |
62 | uint32 CHRsize[32]; |
63 | |
64 | uint32 PRGmask2[32]; |
65 | uint32 PRGmask4[32]; |
66 | uint32 PRGmask8[32]; |
67 | uint32 PRGmask16[32]; |
68 | uint32 PRGmask32[32]; |
69 | |
70 | uint32 CHRmask1[32]; |
71 | uint32 CHRmask2[32]; |
72 | uint32 CHRmask4[32]; |
73 | uint32 CHRmask8[32]; |
74 | |
75 | int geniestage=0; |
76 | |
77 | int modcon; |
78 | |
79 | uint8 genieval[3]; |
80 | uint8 geniech[3]; |
81 | |
82 | uint32 genieaddr[3]; |
83 | |
d97315ac |
84 | static INLINE void setpageptr(int s, uint32 A, uint8 *p, int ram) |
c62d2810 |
85 | { |
86 | uint32 AB=A>>11; |
87 | int x; |
88 | |
d97315ac |
89 | if(p) |
90 | for(x=(s>>1)-1;x>=0;x--) |
91 | { |
92 | PRGIsRAM[AB+x]=ram; |
93 | Page[AB+x]=p-A; |
94 | } |
95 | else |
96 | for(x=(s>>1)-1;x>=0;x--) |
97 | { |
98 | PRGIsRAM[AB+x]=0; |
99 | Page[AB+x]=0; |
100 | } |
c62d2810 |
101 | } |
102 | |
d97315ac |
103 | static uint8 nothing[8192]; |
c62d2810 |
104 | void ResetCartMapping(void) |
105 | { |
106 | int x; |
107 | |
108 | for(x=0;x<32;x++) |
109 | { |
d97315ac |
110 | Page[x]=nothing-x*2048; |
c62d2810 |
111 | PRGptr[x]=CHRptr[x]=0; |
112 | PRGsize[x]=CHRsize[x]=0; |
113 | } |
114 | for(x=0;x<8;x++) |
115 | { |
d97315ac |
116 | MMC5SPRVPage[x]=MMC5BGVPage[x]=VPageR[x]=nothing-0x400*x; |
c62d2810 |
117 | } |
118 | |
119 | } |
120 | |
121 | void SetupCartPRGMapping(int chip, uint8 *p, uint32 size, int ram) |
122 | { |
123 | PRGptr[chip]=p; |
124 | PRGsize[chip]=size; |
125 | |
126 | PRGmask2[chip]=(size>>11)-1; |
127 | PRGmask4[chip]=(size>>12)-1; |
128 | PRGmask8[chip]=(size>>13)-1; |
129 | PRGmask16[chip]=(size>>14)-1; |
937bf65b |
130 | PRGmask32[chip]=(size>>15)-1; |
c62d2810 |
131 | |
132 | PRGram[chip]=ram?1:0; |
133 | } |
134 | |
135 | void SetupCartCHRMapping(int chip, uint8 *p, uint32 size, int ram) |
136 | { |
137 | CHRptr[chip]=p; |
138 | CHRsize[chip]=size; |
139 | |
140 | CHRmask1[chip]=(size>>10)-1; |
141 | CHRmask2[chip]=(size>>11)-1; |
142 | CHRmask4[chip]=(size>>12)-1; |
143 | CHRmask8[chip]=(size>>13)-1; |
144 | |
145 | CHRram[chip]=ram; |
146 | } |
147 | |
148 | DECLFR(CartBR) |
149 | { |
150 | return Page[A>>11][A]; |
151 | } |
152 | |
d97315ac |
153 | DECLFW(CartBW) |
c62d2810 |
154 | { |
d97315ac |
155 | //printf("Ok: %04x:%02x, %d\n",A,V,PRGIsRAM[A>>11]); |
156 | if(PRGIsRAM[A>>11] && Page[A>>11]) |
157 | Page[A>>11][A]=V; |
158 | } |
159 | |
160 | DECLFR(CartBROB) |
161 | { |
162 | if(!Page[A>>11]) return(X.DB); |
163 | return Page[A>>11][A]; |
164 | } |
c62d2810 |
165 | |
d97315ac |
166 | void FASTAPASS(3) setprg2r(int r, unsigned int A, unsigned int V) |
167 | { |
168 | V&=PRGmask2[r]; |
169 | setpageptr(2,A,PRGptr[r]?(&PRGptr[r][V<<11]):0,PRGram[r]); |
13624c8f |
170 | X6502_Rebase(); |
c62d2810 |
171 | } |
172 | |
173 | void FASTAPASS(2) setprg2(uint32 A, uint32 V) |
174 | { |
175 | setprg2r(0,A,V); |
176 | } |
177 | |
d97315ac |
178 | void FASTAPASS(3) setprg4r(int r, unsigned int A, unsigned int V) |
c62d2810 |
179 | { |
c62d2810 |
180 | V&=PRGmask4[r]; |
d97315ac |
181 | setpageptr(4,A,PRGptr[r]?(&PRGptr[r][V<<12]):0,PRGram[r]); |
13624c8f |
182 | X6502_Rebase(); |
c62d2810 |
183 | } |
184 | |
185 | void FASTAPASS(2) setprg4(uint32 A, uint32 V) |
186 | { |
187 | setprg4r(0,A,V); |
188 | } |
189 | |
d97315ac |
190 | void FASTAPASS(3) setprg8r(int r, unsigned int A, unsigned int V) |
c62d2810 |
191 | { |
c62d2810 |
192 | if(PRGsize[r]>=8192) |
193 | { |
194 | V&=PRGmask8[r]; |
d97315ac |
195 | setpageptr(8,A,PRGptr[r]?(&PRGptr[r][V<<13]):0,PRGram[r]); |
c62d2810 |
196 | } |
197 | else |
198 | { |
199 | uint32 VA=V<<2; |
200 | int x; |
201 | for(x=0;x<4;x++) |
d97315ac |
202 | setpageptr(2,A+(x<<11),PRGptr[r]?(&PRGptr[r][((VA+x)&PRGmask2[r])<<11]):0,PRGram[r]); |
c62d2810 |
203 | } |
13624c8f |
204 | X6502_Rebase(); |
c62d2810 |
205 | } |
206 | |
207 | void FASTAPASS(2) setprg8(uint32 A, uint32 V) |
208 | { |
209 | setprg8r(0,A,V); |
210 | } |
211 | |
d97315ac |
212 | void FASTAPASS(3) setprg16r(int r, unsigned int A, unsigned int V) |
c62d2810 |
213 | { |
c62d2810 |
214 | if(PRGsize[r]>=16384) |
215 | { |
216 | V&=PRGmask16[r]; |
d97315ac |
217 | setpageptr(16,A,PRGptr[r]?(&PRGptr[r][V<<14]):0,PRGram[r]); |
c62d2810 |
218 | } |
219 | else |
220 | { |
221 | uint32 VA=V<<3; |
222 | int x; |
223 | |
224 | for(x=0;x<8;x++) |
d97315ac |
225 | setpageptr(2,A+(x<<11),PRGptr[r]?(&PRGptr[r][((VA+x)&PRGmask2[r])<<11]):0,PRGram[r]); |
c62d2810 |
226 | } |
13624c8f |
227 | X6502_Rebase(); |
c62d2810 |
228 | } |
229 | |
230 | void FASTAPASS(2) setprg16(uint32 A, uint32 V) |
231 | { |
232 | setprg16r(0,A,V); |
233 | } |
234 | |
d97315ac |
235 | void FASTAPASS(3) setprg32r(int r,unsigned int A, unsigned int V) |
c62d2810 |
236 | { |
c62d2810 |
237 | if(PRGsize[r]>=32768) |
238 | { |
239 | V&=PRGmask32[r]; |
d97315ac |
240 | setpageptr(32,A,PRGptr[r]?(&PRGptr[r][V<<15]):0,PRGram[r]); |
c62d2810 |
241 | } |
242 | else |
243 | { |
244 | uint32 VA=V<<4; |
245 | int x; |
246 | |
247 | for(x=0;x<16;x++) |
d97315ac |
248 | setpageptr(2,A+(x<<11),PRGptr[r]?(&PRGptr[r][((VA+x)&PRGmask2[r])<<11]):0,PRGram[r]); |
c62d2810 |
249 | } |
13624c8f |
250 | X6502_Rebase(); |
c62d2810 |
251 | } |
252 | |
253 | void FASTAPASS(2) setprg32(uint32 A, uint32 V) |
254 | { |
255 | setprg32r(0,A,V); |
256 | } |
257 | |
d97315ac |
258 | void FASTAPASS(3) setchr1r(int r, unsigned int A, unsigned int V) |
c62d2810 |
259 | { |
260 | if(!CHRptr[r]) return; |
d97315ac |
261 | FCEUPPU_LineUpdate(); |
c62d2810 |
262 | V&=CHRmask1[r]; |
263 | if(CHRram[r]) |
264 | PPUCHRRAM|=(1<<(A>>10)); |
265 | else |
266 | PPUCHRRAM&=~(1<<(A>>10)); |
267 | VPageR[(A)>>10]=&CHRptr[r][(V)<<10]-(A); |
268 | } |
269 | |
d97315ac |
270 | void FASTAPASS(3) setchr2r(int r, unsigned int A, unsigned int V) |
c62d2810 |
271 | { |
272 | if(!CHRptr[r]) return; |
d97315ac |
273 | FCEUPPU_LineUpdate(); |
c62d2810 |
274 | V&=CHRmask2[r]; |
275 | VPageR[(A)>>10]=VPageR[((A)>>10)+1]=&CHRptr[r][(V)<<11]-(A); |
276 | if(CHRram[r]) |
277 | PPUCHRRAM|=(3<<(A>>10)); |
278 | else |
279 | PPUCHRRAM&=~(3<<(A>>10)); |
280 | } |
281 | |
d97315ac |
282 | void FASTAPASS(3) setchr4r(int r, unsigned int A, unsigned int V) |
c62d2810 |
283 | { |
284 | if(!CHRptr[r]) return; |
d97315ac |
285 | FCEUPPU_LineUpdate(); |
c62d2810 |
286 | V&=CHRmask4[r]; |
287 | VPageR[(A)>>10]=VPageR[((A)>>10)+1]= |
288 | VPageR[((A)>>10)+2]=VPageR[((A)>>10)+3]=&CHRptr[r][(V)<<12]-(A); |
289 | if(CHRram[r]) |
290 | PPUCHRRAM|=(15<<(A>>10)); |
291 | else |
292 | PPUCHRRAM&=~(15<<(A>>10)); |
293 | } |
294 | |
d97315ac |
295 | void FASTAPASS(2) setchr8r(int r, unsigned int V) |
c62d2810 |
296 | { |
297 | int x; |
298 | |
299 | if(!CHRptr[r]) return; |
d97315ac |
300 | FCEUPPU_LineUpdate(); |
c62d2810 |
301 | V&=CHRmask8[r]; |
302 | for(x=7;x>=0;x--) |
303 | VPageR[x]=&CHRptr[r][V<<13]; |
304 | if(CHRram[r]) |
305 | PPUCHRRAM|=(255); |
306 | else |
307 | PPUCHRRAM&=~(255); |
308 | } |
309 | |
310 | void FASTAPASS(2) setchr1(unsigned int A, unsigned int V) |
311 | { |
312 | setchr1r(0,A,V); |
313 | } |
314 | |
315 | void FASTAPASS(2) setchr2(unsigned int A, unsigned int V) |
316 | { |
317 | setchr2r(0,A,V); |
318 | } |
319 | |
320 | void FASTAPASS(2) setchr4(unsigned int A, unsigned int V) |
321 | { |
322 | setchr4r(0,A,V); |
323 | } |
324 | |
d97315ac |
325 | void FASTAPASS(1) setchr8(unsigned int V) |
c62d2810 |
326 | { |
327 | setchr8r(0,V); |
328 | } |
329 | |
330 | void FASTAPASS(1) setvram8(uint8 *p) |
331 | { |
332 | int x; |
333 | for(x=7;x>=0;x--) |
334 | VPageR[x]=p; |
335 | PPUCHRRAM|=255; |
336 | } |
337 | |
338 | void FASTAPASS(2) setvram4(uint32 A, uint8 *p) |
339 | { |
340 | int x; |
341 | for(x=3;x>=0;x--) |
342 | VPageR[(A>>10)+x]=p-A; |
343 | PPUCHRRAM|=(15<<(A>>10)); |
344 | } |
345 | |
346 | void FASTAPASS(3) setvramb1(uint8 *p, uint32 A, uint32 b) |
347 | { |
d97315ac |
348 | FCEUPPU_LineUpdate(); |
c62d2810 |
349 | VPageR[A>>10]=p-A+(b<<10); |
350 | PPUCHRRAM|=(1<<(A>>10)); |
351 | } |
352 | |
353 | void FASTAPASS(3) setvramb2(uint8 *p, uint32 A, uint32 b) |
354 | { |
d97315ac |
355 | FCEUPPU_LineUpdate(); |
c62d2810 |
356 | VPageR[(A>>10)]=VPageR[(A>>10)+1]=p-A+(b<<11); |
357 | PPUCHRRAM|=(3<<(A>>10)); |
358 | } |
359 | |
360 | void FASTAPASS(3) setvramb4(uint8 *p, uint32 A, uint32 b) |
361 | { |
362 | int x; |
363 | |
d97315ac |
364 | FCEUPPU_LineUpdate(); |
c62d2810 |
365 | for(x=3;x>=0;x--) |
366 | VPageR[(A>>10)+x]=p-A+(b<<12); |
367 | PPUCHRRAM|=(15<<(A>>10)); |
368 | } |
369 | |
370 | void FASTAPASS(2) setvramb8(uint8 *p, uint32 b) |
371 | { |
372 | int x; |
373 | |
d97315ac |
374 | FCEUPPU_LineUpdate(); |
c62d2810 |
375 | for(x=7;x>=0;x--) |
376 | VPageR[x]=p+(b<<13); |
377 | PPUCHRRAM|=255; |
378 | } |
379 | |
380 | /* This function can be called without calling SetupCartMirroring(). */ |
381 | |
382 | void FASTAPASS(3) setntamem(uint8 *p, int ram, uint32 b) |
383 | { |
d97315ac |
384 | FCEUPPU_LineUpdate(); |
c62d2810 |
385 | vnapage[b]=p; |
386 | PPUNTARAM&=~(1<<b); |
387 | if(ram) |
388 | PPUNTARAM|=1<<b; |
389 | } |
390 | |
391 | static int mirrorhard=0; |
392 | void setmirrorw(int a, int b, int c, int d) |
393 | { |
d97315ac |
394 | FCEUPPU_LineUpdate(); |
c62d2810 |
395 | vnapage[0]=NTARAM+a*0x400; |
396 | vnapage[1]=NTARAM+b*0x400; |
397 | vnapage[2]=NTARAM+c*0x400; |
398 | vnapage[3]=NTARAM+d*0x400; |
399 | } |
400 | |
401 | void FASTAPASS(1) setmirror(int t) |
402 | { |
d97315ac |
403 | FCEUPPU_LineUpdate(); |
c62d2810 |
404 | if(!mirrorhard) |
405 | { |
406 | switch(t) |
407 | { |
408 | case MI_H: |
409 | vnapage[0]=vnapage[1]=NTARAM;vnapage[2]=vnapage[3]=NTARAM+0x400; |
410 | break; |
411 | case MI_V: |
412 | vnapage[0]=vnapage[2]=NTARAM;vnapage[1]=vnapage[3]=NTARAM+0x400; |
413 | break; |
414 | case MI_0: |
415 | vnapage[0]=vnapage[1]=vnapage[2]=vnapage[3]=NTARAM; |
416 | break; |
417 | case MI_1: |
418 | vnapage[0]=vnapage[1]=vnapage[2]=vnapage[3]=NTARAM+0x400; |
419 | break; |
420 | } |
421 | PPUNTARAM=0xF; |
422 | } |
423 | } |
424 | |
425 | void SetupCartMirroring(int m, int hard, uint8 *extra) |
426 | { |
427 | if(m<4) |
d97315ac |
428 | { |
429 | mirrorhard = 0; |
c62d2810 |
430 | setmirror(m); |
d97315ac |
431 | } |
c62d2810 |
432 | else |
433 | { |
434 | vnapage[0]=NTARAM; |
435 | vnapage[1]=NTARAM+0x400; |
436 | vnapage[2]=extra; |
437 | vnapage[3]=extra+0x400; |
438 | PPUNTARAM=0xF; |
439 | } |
440 | mirrorhard=hard; |
441 | } |
442 | |
443 | static uint8 *GENIEROM=0; |
444 | |
445 | void FixGenieMap(void); |
446 | |
447 | /* Called when a game(file) is opened successfully. */ |
448 | void OpenGenie(void) |
449 | { |
450 | FILE *fp; |
451 | int x; |
452 | |
453 | if(!GENIEROM) |
454 | { |
d97315ac |
455 | char *fn; |
456 | |
457 | if(!(GENIEROM=(uint8 *)FCEU_malloc(4096+1024))) return; |
c62d2810 |
458 | |
d97315ac |
459 | fn=FCEU_MakeFName(FCEUMKF_GGROM,0,0); |
460 | fp=fopen(fn,"rb"); |
92764e62 |
461 | free(fn); |
d97315ac |
462 | if(!fp) |
c62d2810 |
463 | { |
464 | FCEU_PrintError("Error opening Game Genie ROM image!"); |
465 | free(GENIEROM); |
466 | GENIEROM=0; |
467 | return; |
468 | } |
469 | if(fread(GENIEROM,1,16,fp)!=16) |
470 | { |
471 | grerr: |
472 | FCEU_PrintError("Error reading from Game Genie ROM image!"); |
473 | free(GENIEROM); |
474 | GENIEROM=0; |
475 | fclose(fp); |
476 | return; |
477 | } |
d97315ac |
478 | if(GENIEROM[0]==0x4E) /* iNES ROM image */ |
c62d2810 |
479 | { |
480 | if(fread(GENIEROM,1,4096,fp)!=4096) |
481 | goto grerr; |
482 | if(fseek(fp,16384-4096,SEEK_CUR)) |
483 | goto grerr; |
484 | if(fread(GENIEROM+4096,1,256,fp)!=256) |
485 | goto grerr; |
486 | } |
487 | else |
488 | { |
489 | if(fread(GENIEROM+16,1,4352-16,fp)!=(4352-16)) |
490 | goto grerr; |
491 | } |
492 | fclose(fp); |
937bf65b |
493 | |
c62d2810 |
494 | /* Workaround for the FCE Ultra CHR page size only being 1KB */ |
495 | for(x=0;x<4;x++) |
496 | memcpy(GENIEROM+4096+(x<<8),GENIEROM+4096,256); |
497 | } |
498 | |
499 | geniestage=1; |
500 | } |
501 | |
502 | /* Called when a game is closed. */ |
503 | void CloseGenie(void) |
504 | { |
505 | /* No good reason to free() the Game Genie ROM image data. */ |
506 | geniestage=0; |
507 | FlushGenieRW(); |
508 | VPageR=VPage; |
509 | } |
510 | |
d97315ac |
511 | void FCEU_KillGenie(void) |
512 | { |
513 | if(GENIEROM) |
514 | { |
515 | free(GENIEROM); |
516 | GENIEROM=0; |
517 | } |
518 | } |
519 | |
c62d2810 |
520 | static DECLFR(GenieRead) |
521 | { |
522 | return GENIEROM[A&4095]; |
523 | } |
524 | |
525 | static DECLFW(GenieWrite) |
526 | { |
527 | switch(A) |
528 | { |
529 | case 0x800c: |
530 | case 0x8008: |
531 | case 0x8004:genieval[((A-4)&0xF)>>2]=V;break; |
532 | |
533 | case 0x800b: |
534 | case 0x8007: |
535 | case 0x8003:geniech[((A-3)&0xF)>>2]=V;break; |
536 | |
537 | case 0x800a: |
538 | case 0x8006: |
539 | case 0x8002:genieaddr[((A-2)&0xF)>>2]&=0xFF00;genieaddr[((A-2)&0xF)>>2]|=V;break; |
540 | |
541 | case 0x8009: |
542 | case 0x8005: |
543 | case 0x8001:genieaddr[((A-1)&0xF)>>2]&=0xFF;genieaddr[((A-1)&0xF)>>2]|=(V|0x80)<<8;break; |
544 | |
545 | case 0x8000:if(!V) |
d97315ac |
546 | FixGenieMap(); |
547 | else |
548 | { |
549 | modcon=V^0xFF; |
550 | if(V==0x71) |
551 | modcon=0; |
552 | } |
553 | break; |
c62d2810 |
554 | } |
555 | } |
556 | |
557 | static readfunc GenieBackup[3]; |
558 | |
559 | static DECLFR(GenieFix1) |
560 | { |
561 | uint8 r=GenieBackup[0](A); |
562 | |
d97315ac |
563 | if((modcon>>1)&1) // No check |
c62d2810 |
564 | return genieval[0]; |
565 | else if(r==geniech[0]) |
566 | return genieval[0]; |
567 | |
568 | return r; |
569 | } |
570 | |
571 | static DECLFR(GenieFix2) |
572 | { |
573 | uint8 r=GenieBackup[1](A); |
574 | |
d97315ac |
575 | if((modcon>>2)&1) // No check |
c62d2810 |
576 | return genieval[1]; |
577 | else if(r==geniech[1]) |
578 | return genieval[1]; |
579 | |
580 | return r; |
581 | } |
582 | |
583 | static DECLFR(GenieFix3) |
584 | { |
585 | uint8 r=GenieBackup[2](A); |
586 | |
d97315ac |
587 | if((modcon>>3)&1) // No check |
c62d2810 |
588 | return genieval[2]; |
589 | else if(r==geniech[2]) |
590 | return genieval[2]; |
591 | |
592 | return r; |
593 | } |
594 | |
595 | |
596 | void FixGenieMap(void) |
597 | { |
598 | int x; |
599 | |
600 | geniestage=2; |
601 | |
602 | for(x=0;x<8;x++) |
603 | VPage[x]=VPageG[x]; |
604 | |
605 | VPageR=VPage; |
606 | FlushGenieRW(); |
d97315ac |
607 | //printf("Rightyo\n"); |
c62d2810 |
608 | for(x=0;x<3;x++) |
609 | if((modcon>>(4+x))&1) |
610 | { |
611 | readfunc tmp[3]={GenieFix1,GenieFix2,GenieFix3}; |
612 | GenieBackup[x]=GetReadHandler(genieaddr[x]); |
613 | SetReadHandler(genieaddr[x],genieaddr[x],tmp[x]); |
614 | } |
615 | } |
616 | |
617 | void GeniePower(void) |
618 | { |
619 | uint32 x; |
620 | |
621 | if(!geniestage) |
622 | return; |
623 | |
624 | geniestage=1; |
625 | for(x=0;x<3;x++) |
626 | { |
627 | genieval[x]=0xFF; |
628 | geniech[x]=0xFF; |
629 | genieaddr[x]=0xFFFF; |
630 | } |
631 | modcon=0; |
632 | |
633 | SetWriteHandler(0x8000,0xFFFF,GenieWrite); |
634 | SetReadHandler(0x8000,0xFFFF,GenieRead); |
635 | |
636 | for(x=0;x<8;x++) |
637 | VPage[x]=GENIEROM+4096-0x400*x; |
638 | |
639 | if(AllocGenieRW()) |
640 | VPageR=VPageG; |
641 | else |
642 | geniestage=2; |
643 | } |
644 | |
645 | |
d97315ac |
646 | void FCEU_SaveGameSave(CartInfo *LocalHWInfo) |
647 | { |
648 | if(LocalHWInfo->battery && LocalHWInfo->SaveGame[0]) |
649 | { |
650 | FILE *sp; |
651 | char *soot; |
652 | |
653 | soot=FCEU_MakeFName(FCEUMKF_SAV,0,"sav"); |
654 | if((sp=FCEUD_UTF8fopen(soot,"wb"))==NULL) |
655 | { |
656 | FCEU_PrintError("WRAM file \"%s\" cannot be written to.\n",soot); |
657 | } |
658 | else |
659 | { |
660 | int x; |
661 | |
662 | for(x=0;x<4;x++) |
663 | if(LocalHWInfo->SaveGame[x]) |
664 | { |
665 | fwrite(LocalHWInfo->SaveGame[x],1, |
666 | LocalHWInfo->SaveGameLen[x],sp); |
667 | } |
668 | } |
669 | free(soot); |
670 | } |
671 | } |
672 | |
673 | // hack, movie.c has to communicate with this function somehow |
674 | int disableBatteryLoading=0; |
675 | |
676 | void FCEU_LoadGameSave(CartInfo *LocalHWInfo) |
677 | { |
678 | if(LocalHWInfo->battery && LocalHWInfo->SaveGame[0] && !disableBatteryLoading) |
679 | { |
680 | FILE *sp; |
681 | char *soot; |
682 | |
683 | soot=FCEU_MakeFName(FCEUMKF_SAV,0,"sav"); |
684 | sp=FCEUD_UTF8fopen(soot,"rb"); |
685 | if(sp!=NULL) |
686 | { |
687 | int x; |
688 | for(x=0;x<4;x++) |
689 | if(LocalHWInfo->SaveGame[x]) |
690 | fread(LocalHWInfo->SaveGame[x],1,LocalHWInfo->SaveGameLen[x],sp); |
691 | } |
692 | free(soot); |
693 | } |
694 | } |
695 | |
696 | |