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: Battery backup file saving, mirror force */ |
22 | /* **INCOMPLETE** */ |
23 | /* Override stuff: CHR RAM instead of CHR ROM, |
24 | mirroring. |
25 | */ |
26 | |
27 | #include <stdio.h> |
28 | #include <stdlib.h> |
29 | #include <string.h> |
30 | |
31 | |
32 | #include "types.h" |
33 | #include "fce.h" |
34 | #include "unif.h" |
35 | #include "version.h" |
36 | #include "svga.h" |
37 | #include "general.h" |
38 | #include "state.h" |
39 | #include "endian.h" |
40 | #include "file.h" |
41 | #include "cart.h" |
42 | #include "memory.h" |
43 | #include "input.h" |
44 | |
45 | typedef struct { |
46 | char ID[4]; |
47 | uint32 info; |
48 | } UNIF_HEADER; |
49 | |
50 | typedef struct { |
51 | char *name; |
52 | void (*init)(void); |
53 | int flags; |
54 | } BMAPPING; |
55 | |
56 | typedef struct { |
57 | char *name; |
58 | int (*init)(int fp); |
59 | } BFMAPPING; |
60 | |
61 | void (*BoardClose)(void); |
62 | void (*BoardPower)(void); |
63 | void (*BoardReset)(void); |
64 | |
65 | static int vramo; |
66 | static int mirrortodo; |
67 | int UNIFbattery; |
68 | static char *boardname; |
69 | static char *sboardname; |
70 | char *UNIFchrrama; |
71 | |
72 | static UNIF_HEADER unhead; |
73 | static UNIF_HEADER uchead; |
74 | |
75 | |
76 | static uint8 *malloced[32]; |
77 | |
78 | static int FixRomSize(uint32 size, uint32 minimum) |
79 | { |
80 | int x=1; |
81 | |
82 | if(size<minimum) |
83 | return minimum; |
84 | while(x<size) |
85 | x<<=1; |
86 | return x; |
87 | } |
88 | |
89 | static void FreeUNIF(void) |
90 | { |
91 | int x; |
92 | if(UNIFchrrama) |
93 | {free(UNIFchrrama);UNIFchrrama=0;} |
94 | if(boardname) |
95 | {free(boardname);boardname=0;} |
96 | for(x=0;x<32;x++) |
97 | { |
98 | if(malloced[x]) |
99 | {free(malloced[x]);malloced[x]=0;} |
100 | } |
101 | } |
102 | |
103 | static void ResetUNIF(void) |
104 | { |
105 | int x; |
106 | for(x=0;x<32;x++) |
107 | malloced[x]=0; |
108 | vramo=0; |
109 | UNIFbattery=0; |
110 | boardname=0; |
111 | mirrortodo=0; |
112 | BoardReset=BoardPower=BoardClose=0; |
113 | UNIFchrrama=0; |
114 | } |
115 | |
116 | static uint8 exntar[2048]; |
117 | |
118 | static void MooMirroring(void) |
119 | { |
120 | if(mirrortodo<0x4) |
121 | SetupCartMirroring(mirrortodo,1,0); |
122 | else if(mirrortodo==0x4) |
123 | { |
124 | SetupCartMirroring(4,1,exntar); |
125 | AddExState(exntar, 2048, 0,"EXNR"); |
126 | } |
127 | else |
128 | SetupCartMirroring(0,0,0); |
129 | } |
130 | |
131 | static int DoMirroring(int fp) |
132 | { |
133 | uint8 t; |
134 | t=FCEU_fgetc(fp); |
135 | mirrortodo=t; |
136 | |
137 | { |
138 | static char *stuffo[6]={"Horizontal","Vertical","$2000","$2400","\"Four-screen\"","Controlled by Mapper Hardware"}; |
139 | if(t<6) |
140 | printf(" Name/Attribute Table Mirroring: %s\n",stuffo[t]); |
141 | } |
142 | return(1); |
143 | } |
144 | |
145 | static int CTRL(int fp) |
146 | { |
147 | int t; |
148 | |
149 | if((t=FCEU_fgetc(fp))==EOF) |
150 | return(0); |
151 | /* The information stored in this byte isn't very helpful, but it's |
152 | better than nothing...maybe. |
153 | */ |
154 | |
155 | if(t&1) FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_GAMEPAD; |
156 | else FCEUGameInfo.input[0]=FCEUGameInfo.input[1]=SI_NONE; |
157 | |
158 | if(t&2) FCEUGameInfo.input[1]=SI_ZAPPER; |
159 | else if(t&0x10) FCEUGameInfo.input[1]=SI_POWERPAD; |
160 | |
161 | return(1); |
162 | } |
163 | |
164 | static int TVCI(int fp) |
165 | { |
166 | int t; |
167 | if( (t=FCEU_fgetc(fp)) ==EOF) |
168 | return(0); |
169 | if(t<=2) |
170 | { |
171 | char *stuffo[3]={"NTSC","PAL","NTSC and PAL"}; |
172 | if(t==0) |
173 | FCEUGameInfo.vidsys=GIV_NTSC; |
174 | else if(t==1) |
175 | FCEUGameInfo.vidsys=GIV_PAL; |
176 | printf(" TV Standard Compatibility: %s\n",stuffo[t]); |
177 | } |
178 | return(1); |
179 | } |
180 | |
181 | static int EnableBattery(int fp) |
182 | { |
183 | puts(" Battery-backed."); |
184 | if(FCEU_fgetc(fp)==EOF) |
185 | return(0); |
186 | UNIFbattery=1; |
187 | return(1); |
188 | } |
189 | |
190 | static int LoadPRG(int fp) |
191 | { |
192 | int z,t; |
193 | z=uchead.ID[3]-'0'; |
194 | |
195 | if(z<0 || z>15) |
196 | return(0); |
197 | printf(" PRG ROM %d size: %d",z,(int) uchead.info); |
198 | if(malloced[z]) |
199 | free(malloced[z]); |
200 | t=FixRomSize(uchead.info,2048); |
201 | if(!(malloced[z]=FCEU_malloc(t))) |
202 | return(0); |
203 | memset(malloced[z]+uchead.info,0xFF,t-uchead.info); |
204 | if(FCEU_fread(malloced[z],1,uchead.info,fp)!=uchead.info) |
205 | { |
206 | puts("Read Error!"); |
207 | return(0); |
208 | } |
209 | else |
210 | puts(""); |
211 | |
212 | SetupCartPRGMapping(z,malloced[z],t,0); |
213 | return(1); |
214 | } |
215 | |
216 | static int SetBoardName(int fp) |
217 | { |
218 | if(!(boardname=FCEU_malloc(uchead.info+1))) |
219 | return(0); |
220 | FCEU_fread(boardname,1,uchead.info,fp); |
221 | boardname[uchead.info]=0; |
222 | printf(" Board name: %s\n",boardname); |
223 | sboardname=boardname; |
224 | if(!memcmp(boardname,"NES-",4) || !memcmp(boardname,"UNL-",4) || !memcmp(boardname,"HVC-",4) || !memcmp(boardname,"BTL-",4) || !memcmp(boardname,"BMC-",4)) |
225 | sboardname+=4; |
226 | return(1); |
227 | } |
228 | |
229 | static int LoadCHR(int fp) |
230 | { |
231 | int z,t; |
232 | z=uchead.ID[3]-'0'; |
233 | if(z<0 || z>15) |
234 | return(0); |
235 | printf(" CHR ROM %d size: %d",z,(int) uchead.info); |
236 | if(malloced[16+z]) |
237 | free(malloced[16+z]); |
238 | t=FixRomSize(uchead.info,8192); |
239 | if(!(malloced[16+z]=FCEU_malloc(t))) |
240 | return(0); |
241 | memset(malloced[16+z]+uchead.info,0xFF,t-uchead.info); |
242 | if(FCEU_fread(malloced[16+z],1,uchead.info,fp)!=uchead.info) |
243 | { |
244 | puts("Read Error!"); |
245 | return(0); |
246 | } |
247 | else |
248 | puts(""); |
249 | |
250 | SetupCartCHRMapping(z,malloced[16+z],t,0); |
251 | return(1); |
252 | } |
253 | |
254 | |
255 | #define BMCFLAG_FORCE4 1 |
256 | #define BMCFLAG_CHRROK 2 // Ok for generic UNIF code to make available |
257 | // 8KB of CHR RAM if no CHR ROM is present. |
258 | #define BMC 48 |
259 | |
260 | BMAPPING bmap[BMC] = { |
261 | |
262 | /* Sachen Carts */ |
263 | { "TC-U01-1.5M", TCU01_Init,0}, |
264 | { "Sachen-8259B", S8259B_Init,BMCFLAG_CHRROK}, |
265 | { "Sachen-8259A", S8259A_Init,BMCFLAG_CHRROK}, |
266 | { "Sachen-74LS374N", S74LS374N_Init,0}, |
267 | { "SA-016-1M", SA0161M_Init,0}, |
268 | { "SA-72007", SA72007_Init,0}, |
269 | { "SA-72008", SA72008_Init,0}, |
270 | { "SA-0036", SA0036_Init,0}, |
271 | { "SA-0037", SA0037_Init,0}, |
272 | |
273 | { "H2288", H2288_Init,0}, |
274 | // /* AVE carts. */ |
275 | // { "MB-91", MB91_Init,0}, // DeathBots |
276 | // { "NINA-06", NINA06_Init,0}, // F-15 City War |
277 | // { "NINA-03", NINA03_Init,0}, // Tiles of Fate |
278 | // { "NINA-001", NINA001_Init,0}, // Impossible Mission 2 |
279 | |
280 | { "HKROM", HKROM_Init,0}, |
281 | |
282 | { "EWROM", EWROM_Init,0}, |
283 | { "EKROM", EKROM_Init,0}, |
284 | { "ELROM", ELROM_Init,0}, |
285 | { "ETROM", ETROM_Init,0}, |
286 | |
287 | { "SAROM", SAROM_Init,0}, |
288 | { "SBROM", SBROM_Init,0}, |
289 | { "SCROM", SCROM_Init,0}, |
290 | { "SEROM", SEROM_Init,0}, |
291 | { "SGROM", SGROM_Init,0}, |
292 | { "SKROM", SKROM_Init,0}, |
293 | { "SLROM", SLROM_Init,0}, |
294 | { "SL1ROM", SL1ROM_Init,0}, |
295 | { "SNROM", SNROM_Init,0}, |
296 | { "SOROM", SOROM_Init,0}, |
297 | |
298 | { "TGROM", TGROM_Init,0}, |
299 | { "TR1ROM", TFROM_Init,BMCFLAG_FORCE4}, |
300 | { "TFROM", TFROM_Init,0}, |
301 | { "TLROM", TLROM_Init,0}, |
302 | { "TKROM", TKROM_Init,0}, |
303 | { "TSROM", TSROM_Init,0}, |
304 | |
305 | { "TLSROM", TLSROM_Init,0}, |
306 | { "TKSROM", TKSROM_Init,0}, |
307 | { "TQROM", TQROM_Init,0}, |
308 | { "TVROM", TLROM_Init,BMCFLAG_FORCE4}, |
309 | |
310 | { "CPROM", CPROM_Init,0}, |
311 | { "CNROM", CNROM_Init,0}, |
312 | { "NROM", NROM256_Init,0 }, |
313 | { "RROM", NROM128_Init,0 }, |
314 | { "RROM-128", NROM128_Init,0 }, |
315 | { "NROM-128", NROM128_Init,0 }, |
316 | { "NROM-256", NROM256_Init,0 }, |
317 | { "MHROM", MHROM_Init,0}, |
318 | { "UNROM", UNROM_Init,0}, |
319 | { "MARIO1-MALEE2", MALEE_Init,0}, |
320 | { "Supervision16in1", Supervision16_Init,0}, |
321 | { "NovelDiamond9999999in1", Novel_Init,0}, |
322 | { "Super24in1SC03", Super24_Init,0} |
323 | }; |
324 | |
325 | #define BMF 7 |
326 | BFMAPPING bfunc[BMF] = { |
327 | { "CTRL", CTRL }, |
328 | { "TVCI", TVCI }, |
329 | { "BATR", EnableBattery }, |
330 | { "MIRR", DoMirroring }, |
331 | { "PRG", LoadPRG }, |
332 | { "CHR", LoadCHR }, |
333 | { "MAPR", SetBoardName } |
334 | }; |
335 | |
336 | int LoadUNIFChunks(int fp) |
337 | { |
338 | int x; |
339 | int t; |
340 | for(;;) |
341 | { |
342 | t=FCEU_fread(&uchead,1,4,fp); |
343 | if(t<4) |
344 | { |
345 | if(t>0) |
346 | return 0; |
347 | return 1; |
348 | } |
349 | if(!(FCEU_read32(&uchead.info,fp))) |
350 | return 0; |
351 | t=0; |
352 | for(x=0;x<BMF;x++) |
353 | { |
354 | if(memcmp(&uchead,bfunc[x].name,strlen(bfunc[x].name))) |
355 | continue; |
356 | if(!bfunc[x].init(fp)) |
357 | return 0; |
358 | t=1; |
359 | break; |
360 | } |
361 | if(!t) |
362 | if(FCEU_fseek(fp,uchead.info,SEEK_CUR)) |
363 | return(0); |
364 | } |
365 | } |
366 | |
367 | static int InitializeBoard(void) |
368 | { |
369 | int x; |
370 | |
371 | for(x=0;x<BMC;x++) |
372 | { |
373 | if(strcmp(sboardname,bmap[x].name)) continue; |
374 | if(!malloced[16] && (bmap[x].flags&BMCFLAG_CHRROK)) |
375 | { |
5232c20c |
376 | UNIFchrrama=FCEU_malloc(8192); |
377 | if((malloced[16]=(uint8 *)UNIFchrrama)) |
c62d2810 |
378 | { |
5232c20c |
379 | SetupCartCHRMapping(0,(uint8 *)UNIFchrrama,8192,1); |
c62d2810 |
380 | AddExState(UNIFchrrama, 8192, 0,"CHRR"); |
381 | } |
382 | else |
383 | return(-1); |
384 | } |
385 | if(bmap[x].flags&BMCFLAG_FORCE4) |
386 | mirrortodo=4; |
387 | MooMirroring(); |
388 | bmap[x].init(); |
389 | return(1); |
390 | } |
391 | FCEU_PrintError("Board type not supported."); |
392 | return(0); |
393 | } |
394 | |
395 | static void UNIFGI(int h) |
396 | { |
397 | switch(h) |
398 | { |
399 | case GI_RESETM2: |
400 | if(BoardReset) BoardReset(); |
401 | break; |
402 | case GI_POWER: |
403 | if(BoardPower) BoardPower(); |
404 | if(UNIFchrrama) memset(UNIFchrrama,0,8192); |
405 | break; |
406 | case GI_CLOSE: |
407 | if(BoardClose) |
408 | BoardClose(); |
409 | FreeUNIF(); |
410 | break; |
411 | } |
412 | } |
413 | |
414 | int UNIFLoad(char *name, int fp) |
415 | { |
416 | FCEU_fseek(fp,0,SEEK_SET); |
417 | FCEU_fread(&unhead,1,4,fp); |
418 | if(memcmp(&unhead,"UNIF",4)) |
419 | return 0; |
420 | |
421 | ResetCartMapping(); |
422 | |
423 | ResetExState(); |
424 | ResetUNIF(); |
425 | if(!FCEU_read32(&unhead.info,fp)) |
426 | goto aborto; |
427 | if(FCEU_fseek(fp,0x20,SEEK_SET)<0) |
428 | goto aborto; |
429 | if(!LoadUNIFChunks(fp)) |
430 | goto aborto; |
431 | if(!InitializeBoard()) |
432 | goto aborto; |
433 | |
434 | GameInterface=UNIFGI; |
435 | return 1; |
436 | |
437 | aborto: |
438 | |
439 | FreeUNIF(); |
440 | ResetUNIF(); |
441 | return 0; |
442 | } |
443 | |
444 | static FILE *fssp=0; |
445 | |
446 | void UNIFOpenWRAM(int t, char *ext, int override) |
447 | { |
448 | if(UNIFbattery|override) |
449 | { |
450 | fssp=fopen(FCEU_MakeFName(FCEUMKF_SAV,0,(ext?ext:"sav")),(t==UOW_RD)?"rb":"wb"); |
451 | } |
452 | } |
453 | |
454 | void UNIFWriteWRAM(uint8 *p, int size) |
455 | { |
456 | if(fssp) |
457 | fwrite(p, size, 1, fssp); |
458 | } |
459 | |
460 | void UNIFReadWRAM(uint8 *p, int size) |
461 | { |
462 | if(fssp) |
463 | fread(p, size, 1, fssp); |
464 | } |
465 | void UNIFCloseWRAM(void) |
466 | { |
467 | if(fssp) |
468 | fclose(fssp); |
469 | fssp=0; |
470 | } |