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[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
3e85ebdd 37char *PicoConfigFile = "config.cfg";\r
0ae25549 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
367b6f1f 43char lastRomFile[512];\r
8e708f92 44int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos\r
f013066e 45\r
46unsigned char *movie_data = NULL;\r
47static int movie_size = 0;\r
48\r
49// provided by platform code:\r
50extern char romFileName[];\r
51extern void emu_noticeMsgUpdated(void);\r
52extern void emu_getMainDir(char *dst, int len);\r
53extern void emu_setDefaultConfig(void);\r
54extern void menu_romload_prepare(const char *rom_name);\r
55extern void menu_romload_end(void);\r
56\r
57\r
58// utilities\r
59static void strlwr_(char* string)\r
60{\r
61 while ( (*string++ = (char)tolower(*string)) );\r
62}\r
63\r
64static int try_rfn_cut(void)\r
65{\r
66 FILE *tmp;\r
67 char *p;\r
68\r
69 p = romFileName + strlen(romFileName) - 1;\r
70 for (; p > romFileName; p--)\r
71 if (*p == '.') break;\r
72 *p = 0;\r
73\r
74 if((tmp = fopen(romFileName, "rb"))) {\r
75 fclose(tmp);\r
76 return 1;\r
77 }\r
78 return 0;\r
79}\r
80\r
81static void get_ext(char *file, char *ext)\r
82{\r
83 char *p;\r
84\r
85 p = file + strlen(file) - 4;\r
86 if (p < file) p = file;\r
87 strncpy(ext, p, 4);\r
88 ext[4] = 0;\r
89 strlwr_(ext);\r
90}\r
91\r
88bfc63d 92char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
93char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
f013066e 94char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
95\r
96int emu_findBios(int region, char **bios_file)\r
97{\r
98 static char bios_path[1024];\r
99 int i, count;\r
100 char **files;\r
101 FILE *f = NULL;\r
102\r
103 if (region == 4) { // US\r
104 files = biosfiles_us;\r
105 count = sizeof(biosfiles_us) / sizeof(char *);\r
106 } else if (region == 8) { // EU\r
107 files = biosfiles_eu;\r
108 count = sizeof(biosfiles_eu) / sizeof(char *);\r
109 } else if (region == 1 || region == 2) {\r
110 files = biosfiles_jp;\r
111 count = sizeof(biosfiles_jp) / sizeof(char *);\r
112 } else {\r
113 return 0;\r
114 }\r
115\r
116 for (i = 0; i < count; i++)\r
117 {\r
118 emu_getMainDir(bios_path, sizeof(bios_path));\r
119 strcat(bios_path, files[i]);\r
120 strcat(bios_path, ".bin");\r
121 f = fopen(bios_path, "rb");\r
122 if (f) break;\r
123\r
124 bios_path[strlen(bios_path) - 4] = 0;\r
125 strcat(bios_path, ".zip");\r
126 f = fopen(bios_path, "rb");\r
127 if (f) break;\r
128 }\r
129\r
130 if (f) {\r
131 lprintf("using bios: %s\n", bios_path);\r
132 fclose(f);\r
133 if (bios_file) *bios_file = bios_path;\r
134 return 1;\r
135 } else {\r
136 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
137 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
138 lprintf("%s\n", menuErrorMsg);\r
139 return 0;\r
140 }\r
141}\r
142\r
c6334564 143/* check if the name begins with BIOS name */\r
367b6f1f 144/*\r
c6334564 145static int emu_isBios(const char *name)\r
146{\r
147 int i;\r
148 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
149 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
150 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
151 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
152 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
153 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
154 return 0;\r
155}\r
367b6f1f 156*/\r
c6334564 157\r
367b6f1f 158static unsigned char id_header[0x100];\r
0ae25549 159\r
f013066e 160/* checks if romFileName points to valid MegaCD image\r
161 * if so, checks for suitable BIOS */\r
162int emu_cdCheck(int *pregion)\r
163{\r
164 unsigned char buf[32];\r
165 pm_file *cd_f;\r
166 int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
1ceda417 167 char ext[5];\r
168\r
169 get_ext(romFileName, ext);\r
f013066e 170\r
171 cd_f = pm_open(romFileName);\r
172 if (!cd_f) return 0; // let the upper level handle this\r
173\r
174 if (pm_read(buf, 32, cd_f) != 32) {\r
175 pm_close(cd_f);\r
176 return 0;\r
177 }\r
178\r
179 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r
180 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r
181 if (type == 0) {\r
182 pm_close(cd_f);\r
183 return 0;\r
184 }\r
185\r
0ae25549 186 pm_seek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET);\r
367b6f1f 187 pm_read(id_header, sizeof(id_header), cd_f);\r
0ae25549 188\r
f013066e 189 /* it seems we have a CD image here. Try to detect region now.. */\r
190 pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
191 pm_read(buf, 1, cd_f);\r
192 pm_close(cd_f);\r
193\r
194 if (buf[0] == 0x64) region = 8; // EU\r
195 if (buf[0] == 0xa1) region = 1; // JAP\r
196\r
197 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
198 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
199\r
200 if (pregion != NULL) *pregion = region;\r
201\r
202 return type;\r
203}\r
204\r
0ae25549 205static int extract_text(char *dest, unsigned char *src, int len, int swab)\r
206{\r
207 char *p = dest;\r
208 int i;\r
209\r
210 if (swab) swab = 1;\r
211\r
212 for (i = len - 1; i >= 0; i--)\r
213 {\r
214 if (src[i^swab] != ' ') break;\r
215 }\r
216 len = i + 1;\r
217\r
218 for (i = 0; i < len; i++)\r
219 {\r
220 unsigned char s = src[i^swab];\r
221 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
222 s != '[' && s != ']' && s != '\\')\r
223 {\r
224 *p++ = s;\r
225 }\r
226 else\r
227 {\r
228 sprintf(p, "\\%02x", s);\r
229 p += 3;\r
230 }\r
231 }\r
232\r
233 return p - dest;\r
234}\r
235\r
236char *emu_makeRomId(void)\r
237{\r
238 static char id_string[3+0x11+0x11+0x30+16];\r
8e708f92 239 int pos, swab = 1;\r
0ae25549 240\r
dd5fd477 241 if (PicoAHW & PAHW_MCD) {\r
8e708f92 242 strcpy(id_string, "CD|");\r
243 swab = 0;\r
244 }\r
367b6f1f 245 else strcpy(id_string, "MD|");\r
0ae25549 246 pos = 3;\r
247\r
8e708f92 248 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
0ae25549 249 id_string[pos] = '|'; pos++;\r
8e708f92 250 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
0ae25549 251 id_string[pos] = '|'; pos++;\r
8e708f92 252 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
0ae25549 253 id_string[pos] = 0;\r
254\r
0ae25549 255 return id_string;\r
256}\r
257\r
f013066e 258int emu_ReloadRom(void)\r
259{\r
260 unsigned int rom_size = 0;\r
261 char *used_rom_name = romFileName;\r
144a28a0 262 unsigned char *rom_data = NULL;\r
f013066e 263 char ext[5];\r
264 pm_file *rom;\r
265 int ret, cd_state, cd_region, cfg_loaded = 0;\r
266\r
267 lprintf("emu_ReloadRom(%s)\n", romFileName);\r
268\r
269 get_ext(romFileName, ext);\r
270\r
271 // detect wrong extensions\r
144a28a0 272 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
f013066e 273 sprintf(menuErrorMsg, "Not a ROM selected.");\r
274 return 0;\r
275 }\r
276\r
277 PicoPatchUnload();\r
278\r
279 // check for movie file\r
144a28a0 280 if (movie_data) {\r
f013066e 281 free(movie_data);\r
282 movie_data = 0;\r
283 }\r
88bfc63d 284 if (!strcmp(ext, ".gmv"))\r
285 {\r
f013066e 286 // check for both gmv and rom\r
287 int dummy;\r
288 FILE *movie_file = fopen(romFileName, "rb");\r
289 if(!movie_file) {\r
290 sprintf(menuErrorMsg, "Failed to open movie.");\r
291 return 0;\r
292 }\r
293 fseek(movie_file, 0, SEEK_END);\r
294 movie_size = ftell(movie_file);\r
295 fseek(movie_file, 0, SEEK_SET);\r
296 if(movie_size < 64+3) {\r
297 sprintf(menuErrorMsg, "Invalid GMV file.");\r
298 fclose(movie_file);\r
299 return 0;\r
300 }\r
301 movie_data = malloc(movie_size);\r
302 if(movie_data == NULL) {\r
303 sprintf(menuErrorMsg, "low memory.");\r
304 fclose(movie_file);\r
305 return 0;\r
306 }\r
307 fread(movie_data, 1, movie_size, movie_file);\r
308 fclose(movie_file);\r
309 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
310 sprintf(menuErrorMsg, "Invalid GMV file.");\r
311 return 0;\r
312 }\r
313 dummy = try_rfn_cut() || try_rfn_cut();\r
314 if (!dummy) {\r
315 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
316 return 0;\r
317 }\r
318 get_ext(romFileName, ext);\r
319 }\r
320 else if (!strcmp(ext, ".pat")) {\r
321 int dummy;\r
322 PicoPatchLoad(romFileName);\r
323 dummy = try_rfn_cut() || try_rfn_cut();\r
324 if (!dummy) {\r
325 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
326 return 0;\r
327 }\r
328 get_ext(romFileName, ext);\r
329 }\r
330\r
dd5fd477 331 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
f013066e 332 Stop_CD();\r
333\r
334 // check for MegaCD image\r
335 cd_state = emu_cdCheck(&cd_region);\r
1ceda417 336 if (cd_state != CIT_NOT_CD)\r
f013066e 337 {\r
dd5fd477 338 PicoAHW |= PAHW_MCD;\r
f013066e 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
dd5fd477 352 PicoAHW &= ~PAHW_MCD;\r
f013066e 353 return 0;\r
354 }\r
355\r
f013066e 356 get_ext(used_rom_name, ext);\r
357 }\r
358 else\r
359 {\r
dd5fd477 360 if (PicoAHW & PAHW_MCD) Stop_CD();\r
361 PicoAHW &= ~PAHW_MCD;\r
f013066e 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
dd5fd477 394 if (!(PicoAHW & PAHW_MCD))\r
367b6f1f 395 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
f013066e 396 if (!cfg_loaded) {\r
397 ret = emu_ReadConfig(1, 1);\r
398 if (!ret) emu_ReadConfig(0, 1);\r
399 }\r
400\r
401 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
144a28a0 402 if (PicoCartInsert(rom_data, rom_size)) {\r
f013066e 403 sprintf(menuErrorMsg, "Failed to load ROM.");\r
a6df06b7 404 menu_romload_end();\r
f013066e 405 return 0;\r
406 }\r
407\r
408 Pico.m.frame_count = 0;\r
409\r
410 // insert CD if it was detected\r
1ceda417 411 if (cd_state != CIT_NOT_CD) {\r
412 ret = Insert_CD(romFileName, cd_state);\r
f013066e 413 if (ret != 0) {\r
414 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
415 lprintf("%s\n", menuErrorMsg);\r
a6df06b7 416 menu_romload_end();\r
f013066e 417 return 0;\r
418 }\r
419 }\r
420\r
a6df06b7 421 menu_romload_end();\r
422\r
f013066e 423 if (PicoPatches) {\r
424 PicoPatchPrepare();\r
425 PicoPatchApply();\r
426 }\r
427\r
428 // additional movie stuff\r
429 if (movie_data) {\r
430 if(movie_data[0x14] == '6')\r
dd5fd477 431 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
432 else PicoOpt &= ~POPT_6BTN_PAD;\r
433 PicoOpt |= POPT_DIS_VDP_FIFO|POPT_ACC_TIMING; // accurate timing, no VDP fifo timing\r
f013066e 434 if(movie_data[0xF] >= 'A') {\r
435 if(movie_data[0x16] & 0x80) {\r
436 PicoRegionOverride = 8;\r
437 } else {\r
438 PicoRegionOverride = 4;\r
439 }\r
8d5cb10d 440 PicoReset();\r
f013066e 441 // TODO: bits 6 & 5\r
442 }\r
443 movie_data[0x18+30] = 0;\r
444 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
445 }\r
446 else\r
447 {\r
dd5fd477 448 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
f013066e 449 if(Pico.m.pal) {\r
450 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
451 } else {\r
452 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
453 }\r
454 }\r
455 emu_noticeMsgUpdated();\r
456\r
457 // load SRAM for this ROM\r
144a28a0 458 if (currentConfig.EmuOpt & 1)\r
f013066e 459 emu_SaveLoadGame(1, 1);\r
460\r
367b6f1f 461 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);\r
462 lastRomFile[sizeof(lastRomFile)-1] = 0;\r
144a28a0 463 rom_loaded = 1;\r
f013066e 464 return 1;\r
465}\r
466\r
467\r
468static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
469{\r
470 char *p;\r
471 int prefix_len = 0;\r
472\r
473 // make save filename\r
474 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
475 *dst = 0;\r
476 if (prefix) {\r
477 strcpy(dst, prefix);\r
478 prefix_len = strlen(prefix);\r
479 }\r
480 strncpy(dst + prefix_len, p, 511-prefix_len);\r
481 dst[511-8] = 0;\r
482 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
483 if (ext) strcat(dst, ext);\r
484}\r
485\r
486\r
2b1fd520 487static void make_config_cfg(char *cfg)\r
488{\r
489 strncpy(cfg, PicoConfigFile, 511);\r
490 if (config_slot != 0)\r
491 {\r
492 char *p = strrchr(cfg, '.');\r
493 if (p == NULL) p = cfg + strlen(cfg);\r
494 sprintf(p, ".%i.cfg", config_slot);\r
495 }\r
496 cfg[511] = 0;\r
497}\r
498\r
f013066e 499int emu_ReadConfig(int game, int no_defaults)\r
500{\r
0ae25549 501 char cfg[512];\r
f013066e 502 FILE *f;\r
0ae25549 503 int ret;\r
f013066e 504\r
505 if (!game)\r
506 {\r
507 if (!no_defaults)\r
f013066e 508 emu_setDefaultConfig();\r
2b1fd520 509 make_config_cfg(cfg);\r
0ae25549 510 ret = config_readsect(cfg, NULL);\r
f013066e 511 }\r
0ae25549 512 else\r
513 {\r
367b6f1f 514 char *sect = emu_makeRomId();\r
f013066e 515\r
0ae25549 516 // try new .cfg way\r
517 if (config_slot != 0)\r
518 sprintf(cfg, "game.%i.cfg", config_slot);\r
519 else strcpy(cfg, "game.cfg");\r
367b6f1f 520\r
521 ret = -1;\r
2b1fd520 522 if (config_havesect(cfg, sect))\r
523 {\r
524 // read user's config\r
67dfdf5f 525 int vol = currentConfig.volume;\r
367b6f1f 526 emu_setDefaultConfig();\r
527 ret = config_readsect(cfg, sect);\r
67dfdf5f 528 currentConfig.volume = vol; // make vol global (bah)\r
367b6f1f 529 }\r
558d8e1f 530 else\r
2b1fd520 531 {\r
532 // read global config, and apply game_def.cfg on top\r
533 make_config_cfg(cfg);\r
534 config_readsect(cfg, NULL);\r
535 ret = config_readsect("game_def.cfg", sect);\r
536 }\r
0ae25549 537\r
538 if (ret != 0)\r
539 {\r
2b1fd520 540 // fall back to old game specific cfg\r
0ae25549 541 char extbuf[16];\r
542 if (config_slot != 0)\r
543 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
544 else strcpy(extbuf, ".pbcfg");\r
545 romfname_ext(cfg, "cfg/", extbuf);\r
546 f = fopen(cfg, "rb");\r
547 if (!f) {\r
548 romfname_ext(cfg, NULL, ".pbcfg");\r
549 f = fopen(cfg, "rb");\r
550 }\r
551 if (f) {\r
367b6f1f 552 int bread;\r
553 fseek(f, 512, SEEK_SET); // skip unused lrom buffer\r
554 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
0ae25549 555 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");\r
556 fclose(f);\r
557 ret = 0;\r
558 }\r
559\r
560 if (ret == 0) {\r
561 PicoOpt = currentConfig.s_PicoOpt;\r
562 PsndRate = currentConfig.s_PsndRate;\r
563 PicoRegionOverride = currentConfig.s_PicoRegion;\r
564 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
88bfc63d 565 // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case\r
0ae25549 566 }\r
567 }\r
568 else\r
569 {\r
367b6f1f 570 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
0ae25549 571 }\r
f013066e 572 }\r
0ae25549 573\r
f013066e 574 // some sanity checks\r
575 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
93c0d147 576#ifdef PSP\r
577 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
960a8e27 578 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
93c0d147 579#else\r
f013066e 580 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
93c0d147 581#endif\r
f013066e 582 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
8ede36b9 583#ifdef __GP2X__\r
f013066e 584 // if volume keys are unbound, bind them to volume control\r
585 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
586 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
587 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
588 }\r
8ede36b9 589#endif\r
0ae25549 590 if (ret == 0) config_slot_current = config_slot;\r
591 return (ret == 0);\r
f013066e 592}\r
593\r
594\r
0ae25549 595int emu_WriteConfig(int is_game)\r
f013066e 596{\r
0ae25549 597 char cfg[512], *game_sect = NULL;\r
598 int ret, write_lrom = 0;\r
f013066e 599\r
0ae25549 600 if (!is_game)\r
f013066e 601 {\r
602 strncpy(cfg, PicoConfigFile, 511);\r
603 if (config_slot != 0)\r
604 {\r
605 char *p = strrchr(cfg, '.');\r
606 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 607 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 608 }\r
609 cfg[511] = 0;\r
0ae25549 610 write_lrom = 1;\r
f013066e 611 } else {\r
612 if (config_slot != 0)\r
0ae25549 613 sprintf(cfg, "game.%i.cfg", config_slot);\r
614 else strcpy(cfg, "game.cfg");\r
615 game_sect = emu_makeRomId();\r
367b6f1f 616 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
f013066e 617 }\r
618\r
619 lprintf("emu_WriteConfig: %s ", cfg);\r
0ae25549 620 ret = config_writesect(cfg, game_sect);\r
367b6f1f 621 if (write_lrom) config_writelrom(cfg);\r
f013066e 622#ifndef NO_SYNC\r
0ae25549 623 sync();\r
f013066e 624#endif\r
0ae25549 625 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
f013066e 626\r
0ae25549 627 if (ret == 0) config_slot_current = config_slot;\r
628 return ret == 0;\r
f013066e 629}\r
630\r
631\r
632void emu_textOut8(int x, int y, const char *text)\r
633{\r
634 int i,l,len=strlen(text);\r
635 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
636\r
637 /* always using built-in font */\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]=0xf0;\r
644 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;\r
645 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;\r
646 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;\r
647 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;\r
648 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;\r
649 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;\r
650 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;\r
651 }\r
652 screen += 8;\r
653 }\r
654}\r
655\r
656void emu_textOut16(int x, int y, const char *text)\r
657{\r
658 int i,l,len=strlen(text);\r
659 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
660\r
661 for (i = 0; i < len; i++)\r
662 {\r
663 for (l=0;l<8;l++)\r
664 {\r
665 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
666 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;\r
667 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;\r
668 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;\r
669 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;\r
670 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;\r
671 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;\r
672 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;\r
673 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;\r
674 }\r
675 screen += 8;\r
676 }\r
677}\r
678\r
960a8e27 679#ifdef PSP\r
680#define MAX_COMBO_KEY 23\r
681#else\r
682#define MAX_COMBO_KEY 31\r
683#endif\r
684\r
8e708f92 685void emu_findKeyBindCombos(void)\r
686{\r
687 int act, u;\r
688\r
689 // find out which keys and actions are combos\r
690 kb_combo_keys = kb_combo_acts = 0;\r
691 for (act = 0; act < 32; act++)\r
692 {\r
693 int keyc = 0, keyc2 = 0;\r
694 if (act == 16 || act == 17) continue; // player2 flag\r
695 if (act > 17)\r
696 {\r
960a8e27 697 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 698 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
699 }\r
700 else\r
701 {\r
960a8e27 702 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 703 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1\r
704 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;\r
960a8e27 705 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 706 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2\r
707 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;\r
708 if (keyc2 > keyc) keyc = keyc2;\r
709 }\r
710 if (keyc > 1)\r
711 {\r
712 // loop again and mark those keys and actions as combo\r
960a8e27 713 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 714 {\r
715 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
716 kb_combo_keys |= 1 << u;\r
717 kb_combo_acts |= 1 << act;\r
718 }\r
719 }\r
720 }\r
721 }\r
722\r
723 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);\r
724}\r
725\r
f013066e 726\r
727void emu_updateMovie(void)\r
728{\r
729 int offs = Pico.m.frame_count*3 + 0x40;\r
730 if (offs+3 > movie_size) {\r
731 free(movie_data);\r
732 movie_data = 0;\r
733 strcpy(noticeMsg, "END OF MOVIE.");\r
734 lprintf("END OF MOVIE.\n");\r
735 emu_noticeMsgUpdated();\r
736 } else {\r
737 // MXYZ SACB RLDU\r
738 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
739 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
740 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
741 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
742 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
743 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
744 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
745 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
746 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
747 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
748 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
749 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
750 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
751 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
752 }\r
753}\r
754\r
755\r
756static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
757{\r
758 return gzread(file, p, _n);\r
759}\r
760\r
761\r
762static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
763{\r
764 return gzwrite(file, p, _n);\r
765}\r
766\r
767static int try_ropen_file(const char *fname)\r
768{\r
769 FILE *f;\r
770\r
771 f = fopen(fname, "rb");\r
772 if (f) {\r
773 fclose(f);\r
774 return 1;\r
775 }\r
776 return 0;\r
777}\r
778\r
779char *emu_GetSaveFName(int load, int is_sram, int slot)\r
780{\r
781 static char saveFname[512];\r
782 char ext[16];\r
783\r
784 if (is_sram)\r
785 {\r
dd5fd477 786 romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");\r
f013066e 787 if (load) {\r
788 if (try_ropen_file(saveFname)) return saveFname;\r
789 // try in current dir..\r
dd5fd477 790 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
f013066e 791 if (try_ropen_file(saveFname)) return saveFname;\r
792 return NULL; // give up\r
793 }\r
794 }\r
795 else\r
796 {\r
797 ext[0] = 0;\r
798 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
799 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
800\r
801 romfname_ext(saveFname, "mds/", ext);\r
802 if (load) {\r
803 if (try_ropen_file(saveFname)) return saveFname;\r
804 romfname_ext(saveFname, NULL, ext);\r
805 if (try_ropen_file(saveFname)) return saveFname;\r
806 if (currentConfig.EmuOpt & 8) {\r
807 ext[0] = 0;\r
808 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
809 strcat(ext, ".mds");\r
810\r
811 romfname_ext(saveFname, "mds/", ext);\r
812 if (try_ropen_file(saveFname)) return saveFname;\r
813 romfname_ext(saveFname, NULL, ext);\r
814 if (try_ropen_file(saveFname)) return saveFname;\r
815 }\r
816 return NULL;\r
817 }\r
818 }\r
819\r
820 return saveFname;\r
821}\r
822\r
823int emu_checkSaveFile(int slot)\r
824{\r
825 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
826}\r
827\r
828void emu_setSaveStateCbs(int gz)\r
829{\r
830 if (gz) {\r
831 areaRead = gzRead2;\r
832 areaWrite = gzWrite2;\r
833 areaEof = (areaeof *) gzeof;\r
834 areaSeek = (areaseek *) gzseek;\r
835 areaClose = (areaclose *) gzclose;\r
836 } else {\r
837 areaRead = (arearw *) fread;\r
838 areaWrite = (arearw *) fwrite;\r
839 areaEof = (areaeof *) feof;\r
840 areaSeek = (areaseek *) fseek;\r
841 areaClose = (areaclose *) fclose;\r
842 }\r
843}\r
844\r
845int emu_SaveLoadGame(int load, int sram)\r
846{\r
847 int ret = 0;\r
848 char *saveFname;\r
849\r
850 // make save filename\r
851 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
852 if (saveFname == NULL) {\r
853 if (!sram) {\r
854 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
855 emu_noticeMsgUpdated();\r
856 }\r
857 return -1;\r
858 }\r
859\r
860 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
861\r
11f4e722 862 if (sram)\r
863 {\r
f013066e 864 FILE *sramFile;\r
865 int sram_size;\r
866 unsigned char *sram_data;\r
867 int truncate = 1;\r
dd5fd477 868 if (PicoAHW & PAHW_MCD)\r
869 {\r
870 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
f013066e 871 sram_size = 0x12000;\r
872 sram_data = SRam.data;\r
873 if (sram_data)\r
874 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
875 } else {\r
876 sram_size = 0x2000;\r
877 sram_data = Pico_mcd->bram;\r
878 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
879 }\r
880 } else {\r
881 sram_size = SRam.end-SRam.start+1;\r
882 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
883 sram_data = SRam.data;\r
884 }\r
885 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
886\r
dd5fd477 887 if (load)\r
888 {\r
f013066e 889 sramFile = fopen(saveFname, "rb");\r
890 if(!sramFile) return -1;\r
891 fread(sram_data, 1, sram_size, sramFile);\r
892 fclose(sramFile);\r
dd5fd477 893 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
f013066e 894 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
895 } else {\r
896 // sram save needs some special processing\r
897 // see if we have anything to save\r
898 for (; sram_size > 0; sram_size--)\r
899 if (sram_data[sram_size-1]) break;\r
900\r
901 if (sram_size) {\r
902 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
903 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
904 if (!sramFile) return -1;\r
905 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
906 ret = (ret != sram_size) ? -1 : 0;\r
907 fclose(sramFile);\r
908#ifndef NO_SYNC\r
909 sync();\r
910#endif\r
911 }\r
912 }\r
913 return ret;\r
914 }\r
915 else\r
916 {\r
917 void *PmovFile = NULL;\r
11f4e722 918 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
919 {\r
f013066e 920 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
921 emu_setSaveStateCbs(1);\r
11f4e722 922 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
f013066e 923 }\r
924 }\r
925 else\r
926 {\r
927 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
928 emu_setSaveStateCbs(0);\r
929 }\r
930 }\r
931 if(PmovFile) {\r
932 ret = PmovState(load ? 6 : 5, PmovFile);\r
933 areaClose(PmovFile);\r
934 PmovFile = 0;\r
935 if (load) Pico.m.dirtyPal=1;\r
936#ifndef NO_SYNC\r
937 else sync();\r
938#endif\r
939 }\r
940 else ret = -1;\r
941 if (!ret)\r
942 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
943 else\r
944 {\r
945 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
946 ret = -1;\r
947 }\r
948\r
949 emu_noticeMsgUpdated();\r
950 return ret;\r
951 }\r
952}\r
8e708f92 953\r
PicoDrive's frontend in a lib