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files for cfg stuff
[libpicofe.git] / common / emu.c
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f013066e 1// (c) Copyright 2006-2007 notaz, All rights reserved.\r
2// Free for non-commercial use.\r
3\r
4// For commercial use, separate licencing terms must be obtained.\r
5\r
6#include <stdio.h>\r
7#include <stdlib.h>\r
8#include <ctype.h> // tolower\r
9#ifndef NO_SYNC\r
10#include <unistd.h>\r
11#endif\r
12\r
13#include "emu.h"\r
14#include "menu.h"\r
15#include "fonts.h"\r
16#include "lprintf.h"\r
0ae25549 17#include "config.h"\r
f013066e 18\r
19#include <Pico/PicoInt.h>\r
20#include <Pico/Patch.h>\r
21#include <zlib/zlib.h>\r
22\r
23#if defined(__GP2X__)\r
24 #include "../gp2x/gp2x.h"\r
25 #define SCREEN_WIDTH 320\r
26 #define SCREEN_BUFFER gp2x_screen\r
27#elif defined(__GIZ__)\r
28 #include "../gizmondo/giz.h"\r
29 #define SCREEN_WIDTH 321\r
2951214e 30 #define SCREEN_BUFFER giz_screen\r
31#elif defined(PSP)\r
32 #include "../psp/psp.h"\r
33 #define SCREEN_WIDTH 512\r
34 #define SCREEN_BUFFER psp_screen\r
f013066e 35#endif\r
36\r
0ae25549 37char *PicoConfigFile = "picoconfig.cfg";\r
38currentConfig_t currentConfig, defaultConfig;\r
144a28a0 39int rom_loaded = 0;\r
f013066e 40char noticeMsg[64];\r
41int state_slot = 0;\r
42int config_slot = 0, config_slot_current = 0;\r
43\r
44unsigned char *movie_data = NULL;\r
45static int movie_size = 0;\r
46\r
47// provided by platform code:\r
48extern char romFileName[];\r
49extern void emu_noticeMsgUpdated(void);\r
50extern void emu_getMainDir(char *dst, int len);\r
51extern void emu_setDefaultConfig(void);\r
52extern void menu_romload_prepare(const char *rom_name);\r
53extern void menu_romload_end(void);\r
54\r
55\r
56// utilities\r
57static void strlwr_(char* string)\r
58{\r
59 while ( (*string++ = (char)tolower(*string)) );\r
60}\r
61\r
62static int try_rfn_cut(void)\r
63{\r
64 FILE *tmp;\r
65 char *p;\r
66\r
67 p = romFileName + strlen(romFileName) - 1;\r
68 for (; p > romFileName; p--)\r
69 if (*p == '.') break;\r
70 *p = 0;\r
71\r
72 if((tmp = fopen(romFileName, "rb"))) {\r
73 fclose(tmp);\r
74 return 1;\r
75 }\r
76 return 0;\r
77}\r
78\r
79static void get_ext(char *file, char *ext)\r
80{\r
81 char *p;\r
82\r
83 p = file + strlen(file) - 4;\r
84 if (p < file) p = file;\r
85 strncpy(ext, p, 4);\r
86 ext[4] = 0;\r
87 strlwr_(ext);\r
88}\r
89\r
90char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r
91char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };\r
92char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
93\r
94int emu_findBios(int region, char **bios_file)\r
95{\r
96 static char bios_path[1024];\r
97 int i, count;\r
98 char **files;\r
99 FILE *f = NULL;\r
100\r
101 if (region == 4) { // US\r
102 files = biosfiles_us;\r
103 count = sizeof(biosfiles_us) / sizeof(char *);\r
104 } else if (region == 8) { // EU\r
105 files = biosfiles_eu;\r
106 count = sizeof(biosfiles_eu) / sizeof(char *);\r
107 } else if (region == 1 || region == 2) {\r
108 files = biosfiles_jp;\r
109 count = sizeof(biosfiles_jp) / sizeof(char *);\r
110 } else {\r
111 return 0;\r
112 }\r
113\r
114 for (i = 0; i < count; i++)\r
115 {\r
116 emu_getMainDir(bios_path, sizeof(bios_path));\r
117 strcat(bios_path, files[i]);\r
118 strcat(bios_path, ".bin");\r
119 f = fopen(bios_path, "rb");\r
120 if (f) break;\r
121\r
122 bios_path[strlen(bios_path) - 4] = 0;\r
123 strcat(bios_path, ".zip");\r
124 f = fopen(bios_path, "rb");\r
125 if (f) break;\r
126 }\r
127\r
128 if (f) {\r
129 lprintf("using bios: %s\n", bios_path);\r
130 fclose(f);\r
131 if (bios_file) *bios_file = bios_path;\r
132 return 1;\r
133 } else {\r
134 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
135 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
136 lprintf("%s\n", menuErrorMsg);\r
137 return 0;\r
138 }\r
139}\r
140\r
c6334564 141/* check if the name begins with BIOS name */\r
142static int emu_isBios(const char *name)\r
143{\r
144 int i;\r
145 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
146 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
147 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
148 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
149 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
150 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
151 return 0;\r
152}\r
153\r
0ae25549 154static unsigned char scd_id_header[0x100];\r
155\r
f013066e 156/* checks if romFileName points to valid MegaCD image\r
157 * if so, checks for suitable BIOS */\r
158int emu_cdCheck(int *pregion)\r
159{\r
160 unsigned char buf[32];\r
161 pm_file *cd_f;\r
162 int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
163\r
164 cd_f = pm_open(romFileName);\r
165 if (!cd_f) return 0; // let the upper level handle this\r
166\r
167 if (pm_read(buf, 32, cd_f) != 32) {\r
168 pm_close(cd_f);\r
169 return 0;\r
170 }\r
171\r
172 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r
173 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r
174 if (type == 0) {\r
175 pm_close(cd_f);\r
176 return 0;\r
177 }\r
178\r
0ae25549 179 pm_seek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET);\r
180 pm_read(scd_id_header, sizeof(scd_id_header), cd_f);\r
181\r
f013066e 182 /* it seems we have a CD image here. Try to detect region now.. */\r
183 pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
184 pm_read(buf, 1, cd_f);\r
185 pm_close(cd_f);\r
186\r
187 if (buf[0] == 0x64) region = 8; // EU\r
188 if (buf[0] == 0xa1) region = 1; // JAP\r
189\r
190 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
191 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
192\r
193 if (pregion != NULL) *pregion = region;\r
194\r
195 return type;\r
196}\r
197\r
0ae25549 198static int extract_text(char *dest, unsigned char *src, int len, int swab)\r
199{\r
200 char *p = dest;\r
201 int i;\r
202\r
203 if (swab) swab = 1;\r
204\r
205 for (i = len - 1; i >= 0; i--)\r
206 {\r
207 if (src[i^swab] != ' ') break;\r
208 }\r
209 len = i + 1;\r
210\r
211 for (i = 0; i < len; i++)\r
212 {\r
213 unsigned char s = src[i^swab];\r
214 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
215 s != '[' && s != ']' && s != '\\')\r
216 {\r
217 *p++ = s;\r
218 }\r
219 else\r
220 {\r
221 sprintf(p, "\\%02x", s);\r
222 p += 3;\r
223 }\r
224 }\r
225\r
226 return p - dest;\r
227}\r
228\r
229char *emu_makeRomId(void)\r
230{\r
231 static char id_string[3+0x11+0x11+0x30+16];\r
232 unsigned char *id_header;\r
233 int pos;\r
234\r
235 if (Pico.rom == NULL) {\r
236 id_string[0] = 0;\r
237 return id_string;\r
238 }\r
239\r
240 if (PicoMCD & 1) {\r
241 id_header = scd_id_header;\r
242 strcpy(id_string, "CD|");\r
243 } else {\r
244 id_header = Pico.rom + 0x100;\r
245 strcpy(id_string, "MD|");\r
246 }\r
247 pos = 3;\r
248\r
249 pos += extract_text(id_string + pos, id_header + 0x80, 0x10, 1); // seral\r
250 id_string[pos] = '|'; pos++;\r
251 pos += extract_text(id_string + pos, id_header + 0xf0, 0x10, 1); // region\r
252 id_string[pos] = '|'; pos++;\r
253 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, 1); // overseas name\r
254 id_string[pos] = 0;\r
255\r
256 printf("id_string: %s\n", id_string);\r
257 return id_string;\r
258}\r
259\r
f013066e 260int emu_ReloadRom(void)\r
261{\r
262 unsigned int rom_size = 0;\r
263 char *used_rom_name = romFileName;\r
144a28a0 264 unsigned char *rom_data = NULL;\r
f013066e 265 char ext[5];\r
266 pm_file *rom;\r
267 int ret, cd_state, cd_region, cfg_loaded = 0;\r
268\r
269 lprintf("emu_ReloadRom(%s)\n", romFileName);\r
270\r
271 get_ext(romFileName, ext);\r
272\r
273 // detect wrong extensions\r
144a28a0 274 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
f013066e 275 sprintf(menuErrorMsg, "Not a ROM selected.");\r
276 return 0;\r
277 }\r
278\r
279 PicoPatchUnload();\r
280\r
281 // check for movie file\r
144a28a0 282 if (movie_data) {\r
f013066e 283 free(movie_data);\r
284 movie_data = 0;\r
285 }\r
144a28a0 286 if (!strcmp(ext, ".gmv")) {\r
f013066e 287 // check for both gmv and rom\r
288 int dummy;\r
289 FILE *movie_file = fopen(romFileName, "rb");\r
290 if(!movie_file) {\r
291 sprintf(menuErrorMsg, "Failed to open movie.");\r
292 return 0;\r
293 }\r
294 fseek(movie_file, 0, SEEK_END);\r
295 movie_size = ftell(movie_file);\r
296 fseek(movie_file, 0, SEEK_SET);\r
297 if(movie_size < 64+3) {\r
298 sprintf(menuErrorMsg, "Invalid GMV file.");\r
299 fclose(movie_file);\r
300 return 0;\r
301 }\r
302 movie_data = malloc(movie_size);\r
303 if(movie_data == NULL) {\r
304 sprintf(menuErrorMsg, "low memory.");\r
305 fclose(movie_file);\r
306 return 0;\r
307 }\r
308 fread(movie_data, 1, movie_size, movie_file);\r
309 fclose(movie_file);\r
310 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
311 sprintf(menuErrorMsg, "Invalid GMV file.");\r
312 return 0;\r
313 }\r
314 dummy = try_rfn_cut() || try_rfn_cut();\r
315 if (!dummy) {\r
316 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
317 return 0;\r
318 }\r
319 get_ext(romFileName, ext);\r
320 }\r
321 else if (!strcmp(ext, ".pat")) {\r
322 int dummy;\r
323 PicoPatchLoad(romFileName);\r
324 dummy = try_rfn_cut() || try_rfn_cut();\r
325 if (!dummy) {\r
326 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
327 return 0;\r
328 }\r
329 get_ext(romFileName, ext);\r
330 }\r
331\r
332 if ((PicoMCD & 1) && Pico_mcd != NULL)\r
333 Stop_CD();\r
334\r
335 // check for MegaCD image\r
336 cd_state = emu_cdCheck(&cd_region);\r
337 if (cd_state > 0)\r
338 {\r
339 // valid CD image, check for BIOS..\r
340\r
341 // we need to have config loaded at this point\r
342 ret = emu_ReadConfig(1, 1);\r
343 if (!ret) emu_ReadConfig(0, 1);\r
344 cfg_loaded = 1;\r
345\r
346 if (PicoRegionOverride) {\r
347 cd_region = PicoRegionOverride;\r
348 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
349 }\r
350 if (!emu_findBios(cd_region, &used_rom_name)) {\r
351 // bios_help() ?\r
352 return 0;\r
353 }\r
354\r
355 PicoMCD |= 1;\r
356 get_ext(used_rom_name, ext);\r
357 }\r
358 else\r
359 {\r
360 if (PicoMCD & 1) Stop_CD();\r
361 PicoMCD &= ~1;\r
362 }\r
363\r
364 rom = pm_open(used_rom_name);\r
144a28a0 365 if (!rom) {\r
f013066e 366 sprintf(menuErrorMsg, "Failed to open rom.");\r
367 return 0;\r
368 }\r
369\r
a6df06b7 370 menu_romload_prepare(used_rom_name); // also CD load\r
f013066e 371\r
144a28a0 372 PicoCartUnload();\r
373 rom_loaded = 0;\r
f013066e 374\r
144a28a0 375 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
f013066e 376 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
377 lprintf("%s\n", menuErrorMsg);\r
378 pm_close(rom);\r
379 menu_romload_end();\r
380 return 0;\r
381 }\r
382 pm_close(rom);\r
f013066e 383\r
384 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
144a28a0 385 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
f013066e 386 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
387 if (rom_data) free(rom_data);\r
f013066e 388 sprintf(menuErrorMsg, "Not a ROM selected.");\r
a6df06b7 389 menu_romload_end();\r
f013066e 390 return 0;\r
391 }\r
392\r
393 // load config for this ROM (do this before insert to get correct region)\r
394 if (!cfg_loaded) {\r
395 ret = emu_ReadConfig(1, 1);\r
396 if (!ret) emu_ReadConfig(0, 1);\r
397 }\r
398\r
399 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
144a28a0 400 if (PicoCartInsert(rom_data, rom_size)) {\r
f013066e 401 sprintf(menuErrorMsg, "Failed to load ROM.");\r
a6df06b7 402 menu_romload_end();\r
f013066e 403 return 0;\r
404 }\r
405\r
406 Pico.m.frame_count = 0;\r
407\r
408 // insert CD if it was detected\r
409 if (cd_state > 0) {\r
410 ret = Insert_CD(romFileName, cd_state == 2);\r
411 if (ret != 0) {\r
412 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
413 lprintf("%s\n", menuErrorMsg);\r
a6df06b7 414 menu_romload_end();\r
f013066e 415 return 0;\r
416 }\r
417 }\r
418\r
a6df06b7 419 menu_romload_end();\r
420\r
c6334564 421 if (!emu_isBios(romFileName))\r
422 {\r
423 // emu_ReadConfig() might have messed currentConfig.lastRomFile\r
424 strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r
425 currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r
426 }\r
f013066e 427\r
428 if (PicoPatches) {\r
429 PicoPatchPrepare();\r
430 PicoPatchApply();\r
431 }\r
432\r
433 // additional movie stuff\r
434 if (movie_data) {\r
435 if(movie_data[0x14] == '6')\r
436 PicoOpt |= 0x20; // 6 button pad\r
437 else PicoOpt &= ~0x20;\r
438 PicoOpt |= 0x10040; // accurate timing, no VDP fifo timing\r
439 if(movie_data[0xF] >= 'A') {\r
440 if(movie_data[0x16] & 0x80) {\r
441 PicoRegionOverride = 8;\r
442 } else {\r
443 PicoRegionOverride = 4;\r
444 }\r
445 PicoReset(0);\r
446 // TODO: bits 6 & 5\r
447 }\r
448 movie_data[0x18+30] = 0;\r
449 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
450 }\r
451 else\r
452 {\r
453 PicoOpt &= ~0x10000;\r
454 if(Pico.m.pal) {\r
455 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
456 } else {\r
457 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
458 }\r
459 }\r
460 emu_noticeMsgUpdated();\r
461\r
462 // load SRAM for this ROM\r
144a28a0 463 if (currentConfig.EmuOpt & 1)\r
f013066e 464 emu_SaveLoadGame(1, 1);\r
465\r
144a28a0 466 rom_loaded = 1;\r
f013066e 467 return 1;\r
468}\r
469\r
470\r
471static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
472{\r
473 char *p;\r
474 int prefix_len = 0;\r
475\r
476 // make save filename\r
477 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
478 *dst = 0;\r
479 if (prefix) {\r
480 strcpy(dst, prefix);\r
481 prefix_len = strlen(prefix);\r
482 }\r
483 strncpy(dst + prefix_len, p, 511-prefix_len);\r
484 dst[511-8] = 0;\r
485 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
486 if (ext) strcat(dst, ext);\r
487}\r
488\r
489\r
490int emu_ReadConfig(int game, int no_defaults)\r
491{\r
0ae25549 492 char cfg[512];\r
f013066e 493 FILE *f;\r
0ae25549 494 int ret;\r
f013066e 495\r
496 if (!game)\r
497 {\r
498 if (!no_defaults)\r
f013066e 499 emu_setDefaultConfig();\r
f013066e 500 strncpy(cfg, PicoConfigFile, 511);\r
501 if (config_slot != 0)\r
502 {\r
503 char *p = strrchr(cfg, '.');\r
504 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 505 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 506 }\r
507 cfg[511] = 0;\r
0ae25549 508 ret = config_readsect(cfg, NULL);\r
f013066e 509 }\r
0ae25549 510 else\r
511 {\r
512 if (!no_defaults)\r
513 emu_setDefaultConfig();\r
f013066e 514\r
0ae25549 515 // try new .cfg way\r
516 if (config_slot != 0)\r
517 sprintf(cfg, "game.%i.cfg", config_slot);\r
518 else strcpy(cfg, "game.cfg");\r
519 ret = config_readsect(cfg, emu_makeRomId());\r
520\r
521 if (ret != 0)\r
522 {\r
523 // fall back to old\r
524 char extbuf[16];\r
525 if (config_slot != 0)\r
526 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
527 else strcpy(extbuf, ".pbcfg");\r
528 romfname_ext(cfg, "cfg/", extbuf);\r
529 f = fopen(cfg, "rb");\r
530 if (!f) {\r
531 romfname_ext(cfg, NULL, ".pbcfg");\r
532 f = fopen(cfg, "rb");\r
533 }\r
534 if (f) {\r
535 int bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
536 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");\r
537 fclose(f);\r
538 ret = 0;\r
539 }\r
540\r
541 if (ret == 0) {\r
542 PicoOpt = currentConfig.s_PicoOpt;\r
543 PsndRate = currentConfig.s_PsndRate;\r
544 PicoRegionOverride = currentConfig.s_PicoRegion;\r
545 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
546 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
547 }\r
548 }\r
549 else\r
550 {\r
551 }\r
f013066e 552 }\r
0ae25549 553\r
f013066e 554 // some sanity checks\r
555 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
93c0d147 556#ifdef PSP\r
557 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
558#else\r
f013066e 559 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
93c0d147 560#endif\r
f013066e 561 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
8ede36b9 562#ifdef __GP2X__\r
f013066e 563 // if volume keys are unbound, bind them to volume control\r
564 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
565 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
566 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
567 }\r
8ede36b9 568#endif\r
0ae25549 569 if (ret == 0) config_slot_current = config_slot;\r
570 return (ret == 0);\r
f013066e 571}\r
572\r
573\r
0ae25549 574int emu_WriteConfig(int is_game)\r
f013066e 575{\r
0ae25549 576 char cfg[512], *game_sect = NULL;\r
577 int ret, write_lrom = 0;\r
f013066e 578\r
0ae25549 579 if (!is_game)\r
f013066e 580 {\r
581 strncpy(cfg, PicoConfigFile, 511);\r
582 if (config_slot != 0)\r
583 {\r
584 char *p = strrchr(cfg, '.');\r
585 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 586 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 587 }\r
588 cfg[511] = 0;\r
0ae25549 589 write_lrom = 1;\r
f013066e 590 } else {\r
591 if (config_slot != 0)\r
0ae25549 592 sprintf(cfg, "game.%i.cfg", config_slot);\r
593 else strcpy(cfg, "game.cfg");\r
594 game_sect = emu_makeRomId();\r
f013066e 595 }\r
596\r
597 lprintf("emu_WriteConfig: %s ", cfg);\r
0ae25549 598 ret = config_writesect(cfg, game_sect);\r
f013066e 599#ifndef NO_SYNC\r
0ae25549 600 sync();\r
f013066e 601#endif\r
0ae25549 602 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
f013066e 603\r
0ae25549 604 if (ret == 0) config_slot_current = config_slot;\r
605 return ret == 0;\r
f013066e 606}\r
607\r
608\r
609void emu_textOut8(int x, int y, const char *text)\r
610{\r
611 int i,l,len=strlen(text);\r
612 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
613\r
614 /* always using built-in font */\r
615 for (i = 0; i < len; i++)\r
616 {\r
617 for (l=0;l<8;l++)\r
618 {\r
619 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
620 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;\r
621 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;\r
622 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;\r
623 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;\r
624 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;\r
625 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;\r
626 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;\r
627 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;\r
628 }\r
629 screen += 8;\r
630 }\r
631}\r
632\r
633void emu_textOut16(int x, int y, const char *text)\r
634{\r
635 int i,l,len=strlen(text);\r
636 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
637\r
638 for (i = 0; i < len; i++)\r
639 {\r
640 for (l=0;l<8;l++)\r
641 {\r
642 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
643 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;\r
644 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;\r
645 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;\r
646 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;\r
647 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;\r
648 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;\r
649 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;\r
650 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;\r
651 }\r
652 screen += 8;\r
653 }\r
654}\r
655\r
656\r
657void emu_updateMovie(void)\r
658{\r
659 int offs = Pico.m.frame_count*3 + 0x40;\r
660 if (offs+3 > movie_size) {\r
661 free(movie_data);\r
662 movie_data = 0;\r
663 strcpy(noticeMsg, "END OF MOVIE.");\r
664 lprintf("END OF MOVIE.\n");\r
665 emu_noticeMsgUpdated();\r
666 } else {\r
667 // MXYZ SACB RLDU\r
668 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
669 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
670 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
671 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
672 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
673 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
674 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
675 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
676 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
677 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
678 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
679 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
680 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
681 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
682 }\r
683}\r
684\r
685\r
686static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
687{\r
688 return gzread(file, p, _n);\r
689}\r
690\r
691\r
692static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
693{\r
694 return gzwrite(file, p, _n);\r
695}\r
696\r
697static int try_ropen_file(const char *fname)\r
698{\r
699 FILE *f;\r
700\r
701 f = fopen(fname, "rb");\r
702 if (f) {\r
703 fclose(f);\r
704 return 1;\r
705 }\r
706 return 0;\r
707}\r
708\r
709char *emu_GetSaveFName(int load, int is_sram, int slot)\r
710{\r
711 static char saveFname[512];\r
712 char ext[16];\r
713\r
714 if (is_sram)\r
715 {\r
716 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");\r
717 if (load) {\r
718 if (try_ropen_file(saveFname)) return saveFname;\r
719 // try in current dir..\r
720 romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");\r
721 if (try_ropen_file(saveFname)) return saveFname;\r
722 return NULL; // give up\r
723 }\r
724 }\r
725 else\r
726 {\r
727 ext[0] = 0;\r
728 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
729 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
730\r
731 romfname_ext(saveFname, "mds/", ext);\r
732 if (load) {\r
733 if (try_ropen_file(saveFname)) return saveFname;\r
734 romfname_ext(saveFname, NULL, ext);\r
735 if (try_ropen_file(saveFname)) return saveFname;\r
736 if (currentConfig.EmuOpt & 8) {\r
737 ext[0] = 0;\r
738 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
739 strcat(ext, ".mds");\r
740\r
741 romfname_ext(saveFname, "mds/", ext);\r
742 if (try_ropen_file(saveFname)) return saveFname;\r
743 romfname_ext(saveFname, NULL, ext);\r
744 if (try_ropen_file(saveFname)) return saveFname;\r
745 }\r
746 return NULL;\r
747 }\r
748 }\r
749\r
750 return saveFname;\r
751}\r
752\r
753int emu_checkSaveFile(int slot)\r
754{\r
755 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
756}\r
757\r
758void emu_setSaveStateCbs(int gz)\r
759{\r
760 if (gz) {\r
761 areaRead = gzRead2;\r
762 areaWrite = gzWrite2;\r
763 areaEof = (areaeof *) gzeof;\r
764 areaSeek = (areaseek *) gzseek;\r
765 areaClose = (areaclose *) gzclose;\r
766 } else {\r
767 areaRead = (arearw *) fread;\r
768 areaWrite = (arearw *) fwrite;\r
769 areaEof = (areaeof *) feof;\r
770 areaSeek = (areaseek *) fseek;\r
771 areaClose = (areaclose *) fclose;\r
772 }\r
773}\r
774\r
775int emu_SaveLoadGame(int load, int sram)\r
776{\r
777 int ret = 0;\r
778 char *saveFname;\r
779\r
780 // make save filename\r
781 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
782 if (saveFname == NULL) {\r
783 if (!sram) {\r
784 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
785 emu_noticeMsgUpdated();\r
786 }\r
787 return -1;\r
788 }\r
789\r
790 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
791\r
11f4e722 792 if (sram)\r
793 {\r
f013066e 794 FILE *sramFile;\r
795 int sram_size;\r
796 unsigned char *sram_data;\r
797 int truncate = 1;\r
798 if (PicoMCD&1) {\r
799 if (PicoOpt&0x8000) { // MCD RAM cart?\r
800 sram_size = 0x12000;\r
801 sram_data = SRam.data;\r
802 if (sram_data)\r
803 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
804 } else {\r
805 sram_size = 0x2000;\r
806 sram_data = Pico_mcd->bram;\r
807 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
808 }\r
809 } else {\r
810 sram_size = SRam.end-SRam.start+1;\r
811 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
812 sram_data = SRam.data;\r
813 }\r
814 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
815\r
816 if (load) {\r
817 sramFile = fopen(saveFname, "rb");\r
818 if(!sramFile) return -1;\r
819 fread(sram_data, 1, sram_size, sramFile);\r
820 fclose(sramFile);\r
821 if ((PicoMCD&1) && (PicoOpt&0x8000))\r
822 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
823 } else {\r
824 // sram save needs some special processing\r
825 // see if we have anything to save\r
826 for (; sram_size > 0; sram_size--)\r
827 if (sram_data[sram_size-1]) break;\r
828\r
829 if (sram_size) {\r
830 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
831 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
832 if (!sramFile) return -1;\r
833 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
834 ret = (ret != sram_size) ? -1 : 0;\r
835 fclose(sramFile);\r
836#ifndef NO_SYNC\r
837 sync();\r
838#endif\r
839 }\r
840 }\r
841 return ret;\r
842 }\r
843 else\r
844 {\r
845 void *PmovFile = NULL;\r
11f4e722 846 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
847 {\r
f013066e 848 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
849 emu_setSaveStateCbs(1);\r
11f4e722 850 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
f013066e 851 }\r
852 }\r
853 else\r
854 {\r
855 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
856 emu_setSaveStateCbs(0);\r
857 }\r
858 }\r
859 if(PmovFile) {\r
860 ret = PmovState(load ? 6 : 5, PmovFile);\r
861 areaClose(PmovFile);\r
862 PmovFile = 0;\r
863 if (load) Pico.m.dirtyPal=1;\r
864#ifndef NO_SYNC\r
865 else sync();\r
866#endif\r
867 }\r
868 else ret = -1;\r
869 if (!ret)\r
870 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
871 else\r
872 {\r
873 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
874 ret = -1;\r
875 }\r
876\r
877 emu_noticeMsgUpdated();\r
878 return ret;\r
879 }\r
880}\r
PicoDrive's frontend in a lib