notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Gizmondo port updated to 1.51b
[libpicofe.git] / common / emu.c
CommitLineData
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
fe017393 18#include "common.h"\r
f013066e 19\r
20#include <Pico/PicoInt.h>\r
21#include <Pico/Patch.h>\r
9fe01b96 22#include <Pico/cd/cue.h>\r
f013066e 23#include <zlib/zlib.h>\r
24\r
f013066e 25\r
3e85ebdd 26char *PicoConfigFile = "config.cfg";\r
0ae25549 27currentConfig_t currentConfig, defaultConfig;\r
144a28a0 28int rom_loaded = 0;\r
f013066e 29char noticeMsg[64];\r
30int state_slot = 0;\r
31int config_slot = 0, config_slot_current = 0;\r
367b6f1f 32char lastRomFile[512];\r
8e708f92 33int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos\r
8a091e48 34int pico_inp_mode = 0;\r
f013066e 35\r
36unsigned char *movie_data = NULL;\r
37static int movie_size = 0;\r
38\r
39// provided by platform code:\r
40extern char romFileName[];\r
41extern void emu_noticeMsgUpdated(void);\r
42extern void emu_getMainDir(char *dst, int len);\r
43extern void emu_setDefaultConfig(void);\r
44extern void menu_romload_prepare(const char *rom_name);\r
45extern void menu_romload_end(void);\r
46\r
47\r
48// utilities\r
49static void strlwr_(char* string)\r
50{\r
51 while ( (*string++ = (char)tolower(*string)) );\r
52}\r
53\r
54static int try_rfn_cut(void)\r
55{\r
56 FILE *tmp;\r
57 char *p;\r
58\r
59 p = romFileName + strlen(romFileName) - 1;\r
60 for (; p > romFileName; p--)\r
61 if (*p == '.') break;\r
62 *p = 0;\r
63\r
64 if((tmp = fopen(romFileName, "rb"))) {\r
65 fclose(tmp);\r
66 return 1;\r
67 }\r
68 return 0;\r
69}\r
70\r
71static void get_ext(char *file, char *ext)\r
72{\r
73 char *p;\r
74\r
75 p = file + strlen(file) - 4;\r
76 if (p < file) p = file;\r
77 strncpy(ext, p, 4);\r
78 ext[4] = 0;\r
79 strlwr_(ext);\r
80}\r
81\r
88bfc63d 82char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
83char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
f013066e 84char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
85\r
86int emu_findBios(int region, char **bios_file)\r
87{\r
88 static char bios_path[1024];\r
89 int i, count;\r
90 char **files;\r
91 FILE *f = NULL;\r
92\r
93 if (region == 4) { // US\r
94 files = biosfiles_us;\r
95 count = sizeof(biosfiles_us) / sizeof(char *);\r
96 } else if (region == 8) { // EU\r
97 files = biosfiles_eu;\r
98 count = sizeof(biosfiles_eu) / sizeof(char *);\r
99 } else if (region == 1 || region == 2) {\r
100 files = biosfiles_jp;\r
101 count = sizeof(biosfiles_jp) / sizeof(char *);\r
102 } else {\r
103 return 0;\r
104 }\r
105\r
106 for (i = 0; i < count; i++)\r
107 {\r
108 emu_getMainDir(bios_path, sizeof(bios_path));\r
109 strcat(bios_path, files[i]);\r
110 strcat(bios_path, ".bin");\r
111 f = fopen(bios_path, "rb");\r
112 if (f) break;\r
113\r
114 bios_path[strlen(bios_path) - 4] = 0;\r
115 strcat(bios_path, ".zip");\r
116 f = fopen(bios_path, "rb");\r
117 if (f) break;\r
118 }\r
119\r
120 if (f) {\r
121 lprintf("using bios: %s\n", bios_path);\r
122 fclose(f);\r
123 if (bios_file) *bios_file = bios_path;\r
124 return 1;\r
125 } else {\r
126 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
127 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
128 lprintf("%s\n", menuErrorMsg);\r
129 return 0;\r
130 }\r
131}\r
132\r
c6334564 133/* check if the name begins with BIOS name */\r
367b6f1f 134/*\r
c6334564 135static int emu_isBios(const char *name)\r
136{\r
137 int i;\r
138 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
139 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
140 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
141 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
142 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
143 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
144 return 0;\r
145}\r
367b6f1f 146*/\r
c6334564 147\r
367b6f1f 148static unsigned char id_header[0x100];\r
0ae25549 149\r
f013066e 150/* checks if romFileName points to valid MegaCD image\r
151 * if so, checks for suitable BIOS */\r
152int emu_cdCheck(int *pregion)\r
153{\r
154 unsigned char buf[32];\r
155 pm_file *cd_f;\r
9fe01b96 156 int region = 4; // 1: Japan, 4: US, 8: Europe\r
157 char ext[5], *fname = romFileName;\r
158 cue_track_type type = CT_UNKNOWN;\r
159 cue_data_t *cue_data = NULL;\r
1ceda417 160\r
161 get_ext(romFileName, ext);\r
9fe01b96 162 if (strcasecmp(ext, ".cue") == 0) {\r
163 cue_data = cue_parse(romFileName);\r
164 if (cue_data != NULL) {\r
165 fname = cue_data->tracks[1].fname;\r
166 type = cue_data->tracks[1].type;\r
167 }\r
e9a13365 168 else\r
169 return -1;\r
9fe01b96 170 }\r
171\r
172 cd_f = pm_open(fname);\r
173 if (cue_data != NULL)\r
174 cue_destroy(cue_data);\r
f013066e 175\r
e9a13365 176 if (cd_f == NULL) return 0; // let the upper level handle this\r
f013066e 177\r
178 if (pm_read(buf, 32, cd_f) != 32) {\r
179 pm_close(cd_f);\r
e9a13365 180 return -1;\r
f013066e 181 }\r
182\r
9fe01b96 183 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
184 if (type && type != CT_ISO)\r
185 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
186 type = CT_ISO; // Sega CD (ISO)\r
187 }\r
188 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
189 if (type && type != CT_BIN)\r
190 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
191 type = CT_BIN; // Sega CD (BIN)\r
192 }\r
193\r
194 if (type == CT_UNKNOWN) {\r
f013066e 195 pm_close(cd_f);\r
196 return 0;\r
197 }\r
198\r
9fe01b96 199 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
367b6f1f 200 pm_read(id_header, sizeof(id_header), cd_f);\r
0ae25549 201\r
f013066e 202 /* it seems we have a CD image here. Try to detect region now.. */\r
9fe01b96 203 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
f013066e 204 pm_read(buf, 1, cd_f);\r
205 pm_close(cd_f);\r
206\r
207 if (buf[0] == 0x64) region = 8; // EU\r
208 if (buf[0] == 0xa1) region = 1; // JAP\r
209\r
210 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
9fe01b96 211 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
f013066e 212\r
213 if (pregion != NULL) *pregion = region;\r
214\r
215 return type;\r
216}\r
217\r
ff63afa1 218static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
0ae25549 219{\r
220 char *p = dest;\r
221 int i;\r
222\r
223 if (swab) swab = 1;\r
224\r
225 for (i = len - 1; i >= 0; i--)\r
226 {\r
227 if (src[i^swab] != ' ') break;\r
228 }\r
229 len = i + 1;\r
230\r
231 for (i = 0; i < len; i++)\r
232 {\r
233 unsigned char s = src[i^swab];\r
234 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
235 s != '[' && s != ']' && s != '\\')\r
236 {\r
237 *p++ = s;\r
238 }\r
239 else\r
240 {\r
241 sprintf(p, "\\%02x", s);\r
242 p += 3;\r
243 }\r
244 }\r
245\r
246 return p - dest;\r
247}\r
248\r
249char *emu_makeRomId(void)\r
250{\r
251 static char id_string[3+0x11+0x11+0x30+16];\r
8e708f92 252 int pos, swab = 1;\r
0ae25549 253\r
dd5fd477 254 if (PicoAHW & PAHW_MCD) {\r
8e708f92 255 strcpy(id_string, "CD|");\r
256 swab = 0;\r
257 }\r
367b6f1f 258 else strcpy(id_string, "MD|");\r
0ae25549 259 pos = 3;\r
260\r
8e708f92 261 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
0ae25549 262 id_string[pos] = '|'; pos++;\r
8e708f92 263 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
0ae25549 264 id_string[pos] = '|'; pos++;\r
8e708f92 265 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
0ae25549 266 id_string[pos] = 0;\r
267\r
0ae25549 268 return id_string;\r
269}\r
270\r
f013066e 271int emu_ReloadRom(void)\r
272{\r
273 unsigned int rom_size = 0;\r
274 char *used_rom_name = romFileName;\r
144a28a0 275 unsigned char *rom_data = NULL;\r
f013066e 276 char ext[5];\r
e9a13365 277 pm_file *rom = NULL;\r
f013066e 278 int ret, cd_state, cd_region, cfg_loaded = 0;\r
279\r
280 lprintf("emu_ReloadRom(%s)\n", romFileName);\r
281\r
282 get_ext(romFileName, ext);\r
283\r
284 // detect wrong extensions\r
144a28a0 285 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
e9a13365 286 sprintf(menuErrorMsg, "Not a ROM/CD selected.");\r
f013066e 287 return 0;\r
288 }\r
289\r
290 PicoPatchUnload();\r
291\r
292 // check for movie file\r
144a28a0 293 if (movie_data) {\r
f013066e 294 free(movie_data);\r
295 movie_data = 0;\r
296 }\r
88bfc63d 297 if (!strcmp(ext, ".gmv"))\r
298 {\r
f013066e 299 // check for both gmv and rom\r
300 int dummy;\r
301 FILE *movie_file = fopen(romFileName, "rb");\r
302 if(!movie_file) {\r
303 sprintf(menuErrorMsg, "Failed to open movie.");\r
304 return 0;\r
305 }\r
306 fseek(movie_file, 0, SEEK_END);\r
307 movie_size = ftell(movie_file);\r
308 fseek(movie_file, 0, SEEK_SET);\r
309 if(movie_size < 64+3) {\r
310 sprintf(menuErrorMsg, "Invalid GMV file.");\r
311 fclose(movie_file);\r
312 return 0;\r
313 }\r
314 movie_data = malloc(movie_size);\r
315 if(movie_data == NULL) {\r
316 sprintf(menuErrorMsg, "low memory.");\r
317 fclose(movie_file);\r
318 return 0;\r
319 }\r
320 fread(movie_data, 1, movie_size, movie_file);\r
321 fclose(movie_file);\r
322 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
323 sprintf(menuErrorMsg, "Invalid GMV file.");\r
324 return 0;\r
325 }\r
326 dummy = try_rfn_cut() || try_rfn_cut();\r
327 if (!dummy) {\r
328 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
329 return 0;\r
330 }\r
331 get_ext(romFileName, ext);\r
332 }\r
333 else if (!strcmp(ext, ".pat")) {\r
334 int dummy;\r
335 PicoPatchLoad(romFileName);\r
336 dummy = try_rfn_cut() || try_rfn_cut();\r
337 if (!dummy) {\r
338 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
339 return 0;\r
340 }\r
341 get_ext(romFileName, ext);\r
342 }\r
343\r
dd5fd477 344 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
f013066e 345 Stop_CD();\r
346\r
347 // check for MegaCD image\r
348 cd_state = emu_cdCheck(&cd_region);\r
e9a13365 349 if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
f013066e 350 {\r
dd5fd477 351 PicoAHW |= PAHW_MCD;\r
f013066e 352 // valid CD image, check for BIOS..\r
353\r
354 // we need to have config loaded at this point\r
355 ret = emu_ReadConfig(1, 1);\r
356 if (!ret) emu_ReadConfig(0, 1);\r
357 cfg_loaded = 1;\r
358\r
359 if (PicoRegionOverride) {\r
360 cd_region = PicoRegionOverride;\r
361 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
362 }\r
363 if (!emu_findBios(cd_region, &used_rom_name)) {\r
364 // bios_help() ?\r
dd5fd477 365 PicoAHW &= ~PAHW_MCD;\r
f013066e 366 return 0;\r
367 }\r
368\r
f013066e 369 get_ext(used_rom_name, ext);\r
370 }\r
371 else\r
372 {\r
dd5fd477 373 if (PicoAHW & PAHW_MCD) Stop_CD();\r
374 PicoAHW &= ~PAHW_MCD;\r
f013066e 375 }\r
376\r
377 rom = pm_open(used_rom_name);\r
144a28a0 378 if (!rom) {\r
e9a13365 379 sprintf(menuErrorMsg, "Failed to open ROM/CD image");\r
380 goto fail;\r
381 }\r
382\r
383 if (cd_state < 0) {\r
384 sprintf(menuErrorMsg, "Invalid CD image");\r
385 goto fail;\r
f013066e 386 }\r
387\r
a6df06b7 388 menu_romload_prepare(used_rom_name); // also CD load\r
f013066e 389\r
144a28a0 390 PicoCartUnload();\r
391 rom_loaded = 0;\r
f013066e 392\r
144a28a0 393 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
f013066e 394 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
395 lprintf("%s\n", menuErrorMsg);\r
e9a13365 396 goto fail2;\r
f013066e 397 }\r
398 pm_close(rom);\r
e9a13365 399 rom = NULL;\r
f013066e 400\r
401 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
144a28a0 402 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
f013066e 403 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
404 if (rom_data) free(rom_data);\r
f013066e 405 sprintf(menuErrorMsg, "Not a ROM selected.");\r
e9a13365 406 goto fail2;\r
f013066e 407 }\r
408\r
409 // load config for this ROM (do this before insert to get correct region)\r
dd5fd477 410 if (!(PicoAHW & PAHW_MCD))\r
367b6f1f 411 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
f013066e 412 if (!cfg_loaded) {\r
413 ret = emu_ReadConfig(1, 1);\r
414 if (!ret) emu_ReadConfig(0, 1);\r
415 }\r
416\r
417 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
144a28a0 418 if (PicoCartInsert(rom_data, rom_size)) {\r
f013066e 419 sprintf(menuErrorMsg, "Failed to load ROM.");\r
e9a13365 420 goto fail2;\r
f013066e 421 }\r
422\r
f013066e 423 // insert CD if it was detected\r
1ceda417 424 if (cd_state != CIT_NOT_CD) {\r
425 ret = Insert_CD(romFileName, cd_state);\r
f013066e 426 if (ret != 0) {\r
427 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
428 lprintf("%s\n", menuErrorMsg);\r
e9a13365 429 goto fail2;\r
f013066e 430 }\r
431 }\r
432\r
a6df06b7 433 menu_romload_end();\r
434\r
f013066e 435 if (PicoPatches) {\r
436 PicoPatchPrepare();\r
437 PicoPatchApply();\r
438 }\r
439\r
440 // additional movie stuff\r
e9a13365 441 if (movie_data)\r
442 {\r
443 if (movie_data[0x14] == '6')\r
dd5fd477 444 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
445 else PicoOpt &= ~POPT_6BTN_PAD;\r
a4790056 446 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
e9a13365 447 if (movie_data[0xF] >= 'A') {\r
448 if (movie_data[0x16] & 0x80) {\r
f013066e 449 PicoRegionOverride = 8;\r
450 } else {\r
451 PicoRegionOverride = 4;\r
452 }\r
8d5cb10d 453 PicoReset();\r
f013066e 454 // TODO: bits 6 & 5\r
455 }\r
456 movie_data[0x18+30] = 0;\r
457 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
458 }\r
459 else\r
460 {\r
dd5fd477 461 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
e9a13365 462 if (Pico.m.pal) {\r
f013066e 463 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
464 } else {\r
465 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
466 }\r
467 }\r
468 emu_noticeMsgUpdated();\r
469\r
470 // load SRAM for this ROM\r
144a28a0 471 if (currentConfig.EmuOpt & 1)\r
f013066e 472 emu_SaveLoadGame(1, 1);\r
473\r
367b6f1f 474 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);\r
475 lastRomFile[sizeof(lastRomFile)-1] = 0;\r
144a28a0 476 rom_loaded = 1;\r
f013066e 477 return 1;\r
e9a13365 478\r
479fail2:\r
480 menu_romload_end();\r
481fail:\r
482 if (rom != NULL) pm_close(rom);\r
483 return 0;\r
f013066e 484}\r
485\r
486\r
487static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
488{\r
489 char *p;\r
490 int prefix_len = 0;\r
491\r
492 // make save filename\r
493 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
494 *dst = 0;\r
495 if (prefix) {\r
496 strcpy(dst, prefix);\r
497 prefix_len = strlen(prefix);\r
498 }\r
499 strncpy(dst + prefix_len, p, 511-prefix_len);\r
500 dst[511-8] = 0;\r
501 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
502 if (ext) strcat(dst, ext);\r
503}\r
504\r
505\r
2b1fd520 506static void make_config_cfg(char *cfg)\r
507{\r
508 strncpy(cfg, PicoConfigFile, 511);\r
509 if (config_slot != 0)\r
510 {\r
511 char *p = strrchr(cfg, '.');\r
512 if (p == NULL) p = cfg + strlen(cfg);\r
513 sprintf(p, ".%i.cfg", config_slot);\r
514 }\r
515 cfg[511] = 0;\r
516}\r
517\r
f013066e 518int emu_ReadConfig(int game, int no_defaults)\r
519{\r
0ae25549 520 char cfg[512];\r
f013066e 521 FILE *f;\r
0ae25549 522 int ret;\r
f013066e 523\r
524 if (!game)\r
525 {\r
526 if (!no_defaults)\r
f013066e 527 emu_setDefaultConfig();\r
2b1fd520 528 make_config_cfg(cfg);\r
0ae25549 529 ret = config_readsect(cfg, NULL);\r
f013066e 530 }\r
0ae25549 531 else\r
532 {\r
367b6f1f 533 char *sect = emu_makeRomId();\r
f013066e 534\r
0ae25549 535 // try new .cfg way\r
536 if (config_slot != 0)\r
537 sprintf(cfg, "game.%i.cfg", config_slot);\r
538 else strcpy(cfg, "game.cfg");\r
367b6f1f 539\r
540 ret = -1;\r
2b1fd520 541 if (config_havesect(cfg, sect))\r
542 {\r
543 // read user's config\r
67dfdf5f 544 int vol = currentConfig.volume;\r
367b6f1f 545 emu_setDefaultConfig();\r
546 ret = config_readsect(cfg, sect);\r
67dfdf5f 547 currentConfig.volume = vol; // make vol global (bah)\r
367b6f1f 548 }\r
558d8e1f 549 else\r
2b1fd520 550 {\r
551 // read global config, and apply game_def.cfg on top\r
552 make_config_cfg(cfg);\r
553 config_readsect(cfg, NULL);\r
554 ret = config_readsect("game_def.cfg", sect);\r
555 }\r
0ae25549 556\r
557 if (ret != 0)\r
558 {\r
2b1fd520 559 // fall back to old game specific cfg\r
0ae25549 560 char extbuf[16];\r
561 if (config_slot != 0)\r
562 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
563 else strcpy(extbuf, ".pbcfg");\r
564 romfname_ext(cfg, "cfg/", extbuf);\r
565 f = fopen(cfg, "rb");\r
566 if (!f) {\r
567 romfname_ext(cfg, NULL, ".pbcfg");\r
568 f = fopen(cfg, "rb");\r
569 }\r
570 if (f) {\r
367b6f1f 571 int bread;\r
572 fseek(f, 512, SEEK_SET); // skip unused lrom buffer\r
573 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
0ae25549 574 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");\r
575 fclose(f);\r
576 ret = 0;\r
577 }\r
578\r
579 if (ret == 0) {\r
580 PicoOpt = currentConfig.s_PicoOpt;\r
581 PsndRate = currentConfig.s_PsndRate;\r
582 PicoRegionOverride = currentConfig.s_PicoRegion;\r
583 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
88bfc63d 584 // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case\r
0ae25549 585 }\r
586 }\r
587 else\r
588 {\r
367b6f1f 589 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
0ae25549 590 }\r
f013066e 591 }\r
0ae25549 592\r
f013066e 593 // some sanity checks\r
594 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
93c0d147 595#ifdef PSP\r
596 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
960a8e27 597 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
93c0d147 598#else\r
f013066e 599 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
93c0d147 600#endif\r
f013066e 601 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
8ede36b9 602#ifdef __GP2X__\r
f013066e 603 // if volume keys are unbound, bind them to volume control\r
604 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
605 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
606 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
607 }\r
8ede36b9 608#endif\r
0ae25549 609 if (ret == 0) config_slot_current = config_slot;\r
610 return (ret == 0);\r
f013066e 611}\r
612\r
613\r
0ae25549 614int emu_WriteConfig(int is_game)\r
f013066e 615{\r
0ae25549 616 char cfg[512], *game_sect = NULL;\r
617 int ret, write_lrom = 0;\r
f013066e 618\r
0ae25549 619 if (!is_game)\r
f013066e 620 {\r
621 strncpy(cfg, PicoConfigFile, 511);\r
622 if (config_slot != 0)\r
623 {\r
624 char *p = strrchr(cfg, '.');\r
625 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 626 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 627 }\r
628 cfg[511] = 0;\r
0ae25549 629 write_lrom = 1;\r
f013066e 630 } else {\r
631 if (config_slot != 0)\r
0ae25549 632 sprintf(cfg, "game.%i.cfg", config_slot);\r
633 else strcpy(cfg, "game.cfg");\r
634 game_sect = emu_makeRomId();\r
367b6f1f 635 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
f013066e 636 }\r
637\r
638 lprintf("emu_WriteConfig: %s ", cfg);\r
0ae25549 639 ret = config_writesect(cfg, game_sect);\r
367b6f1f 640 if (write_lrom) config_writelrom(cfg);\r
f013066e 641#ifndef NO_SYNC\r
0ae25549 642 sync();\r
f013066e 643#endif\r
0ae25549 644 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
f013066e 645\r
0ae25549 646 if (ret == 0) config_slot_current = config_slot;\r
647 return ret == 0;\r
f013066e 648}\r
649\r
650\r
651void emu_textOut8(int x, int y, const char *text)\r
652{\r
653 int i,l,len=strlen(text);\r
654 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
655\r
656 /* always using built-in font */\r
657 for (i = 0; i < len; i++)\r
658 {\r
659 for (l=0;l<8;l++)\r
660 {\r
661 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
662 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;\r
663 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;\r
664 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;\r
665 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;\r
666 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;\r
667 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;\r
668 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;\r
669 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;\r
670 }\r
671 screen += 8;\r
672 }\r
673}\r
674\r
675void emu_textOut16(int x, int y, const char *text)\r
676{\r
677 int i,l,len=strlen(text);\r
678 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
679\r
680 for (i = 0; i < len; i++)\r
681 {\r
682 for (l=0;l<8;l++)\r
683 {\r
684 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
685 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;\r
686 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;\r
687 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;\r
688 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;\r
689 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;\r
690 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;\r
691 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;\r
692 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;\r
693 }\r
694 screen += 8;\r
695 }\r
696}\r
697\r
960a8e27 698#ifdef PSP\r
699#define MAX_COMBO_KEY 23\r
700#else\r
701#define MAX_COMBO_KEY 31\r
702#endif\r
703\r
8e708f92 704void emu_findKeyBindCombos(void)\r
705{\r
706 int act, u;\r
707\r
708 // find out which keys and actions are combos\r
709 kb_combo_keys = kb_combo_acts = 0;\r
710 for (act = 0; act < 32; act++)\r
711 {\r
712 int keyc = 0, keyc2 = 0;\r
713 if (act == 16 || act == 17) continue; // player2 flag\r
714 if (act > 17)\r
715 {\r
960a8e27 716 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 717 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
718 }\r
719 else\r
720 {\r
960a8e27 721 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 722 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1\r
723 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;\r
960a8e27 724 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 725 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2\r
726 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;\r
727 if (keyc2 > keyc) keyc = keyc2;\r
728 }\r
729 if (keyc > 1)\r
730 {\r
731 // loop again and mark those keys and actions as combo\r
960a8e27 732 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 733 {\r
734 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
735 kb_combo_keys |= 1 << u;\r
736 kb_combo_acts |= 1 << act;\r
737 }\r
738 }\r
739 }\r
740 }\r
741\r
742 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);\r
743}\r
744\r
f013066e 745\r
746void emu_updateMovie(void)\r
747{\r
748 int offs = Pico.m.frame_count*3 + 0x40;\r
749 if (offs+3 > movie_size) {\r
750 free(movie_data);\r
751 movie_data = 0;\r
752 strcpy(noticeMsg, "END OF MOVIE.");\r
753 lprintf("END OF MOVIE.\n");\r
754 emu_noticeMsgUpdated();\r
755 } else {\r
756 // MXYZ SACB RLDU\r
757 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
758 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
759 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
760 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
761 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
762 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
763 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
764 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
765 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
766 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
767 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
768 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
769 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
770 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
771 }\r
772}\r
773\r
774\r
775static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
776{\r
777 return gzread(file, p, _n);\r
778}\r
779\r
780\r
781static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
782{\r
783 return gzwrite(file, p, _n);\r
784}\r
785\r
786static int try_ropen_file(const char *fname)\r
787{\r
788 FILE *f;\r
789\r
790 f = fopen(fname, "rb");\r
791 if (f) {\r
792 fclose(f);\r
793 return 1;\r
794 }\r
795 return 0;\r
796}\r
797\r
798char *emu_GetSaveFName(int load, int is_sram, int slot)\r
799{\r
800 static char saveFname[512];\r
801 char ext[16];\r
802\r
803 if (is_sram)\r
804 {\r
dd5fd477 805 romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");\r
f013066e 806 if (load) {\r
807 if (try_ropen_file(saveFname)) return saveFname;\r
808 // try in current dir..\r
dd5fd477 809 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
f013066e 810 if (try_ropen_file(saveFname)) return saveFname;\r
811 return NULL; // give up\r
812 }\r
813 }\r
814 else\r
815 {\r
816 ext[0] = 0;\r
817 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
818 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
819\r
820 romfname_ext(saveFname, "mds/", ext);\r
821 if (load) {\r
822 if (try_ropen_file(saveFname)) return saveFname;\r
823 romfname_ext(saveFname, NULL, ext);\r
824 if (try_ropen_file(saveFname)) return saveFname;\r
825 if (currentConfig.EmuOpt & 8) {\r
826 ext[0] = 0;\r
827 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
828 strcat(ext, ".mds");\r
829\r
830 romfname_ext(saveFname, "mds/", ext);\r
831 if (try_ropen_file(saveFname)) return saveFname;\r
832 romfname_ext(saveFname, NULL, ext);\r
833 if (try_ropen_file(saveFname)) return saveFname;\r
834 }\r
835 return NULL;\r
836 }\r
837 }\r
838\r
839 return saveFname;\r
840}\r
841\r
842int emu_checkSaveFile(int slot)\r
843{\r
844 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
845}\r
846\r
847void emu_setSaveStateCbs(int gz)\r
848{\r
849 if (gz) {\r
850 areaRead = gzRead2;\r
851 areaWrite = gzWrite2;\r
852 areaEof = (areaeof *) gzeof;\r
853 areaSeek = (areaseek *) gzseek;\r
854 areaClose = (areaclose *) gzclose;\r
855 } else {\r
856 areaRead = (arearw *) fread;\r
857 areaWrite = (arearw *) fwrite;\r
858 areaEof = (areaeof *) feof;\r
859 areaSeek = (areaseek *) fseek;\r
860 areaClose = (areaclose *) fclose;\r
861 }\r
862}\r
863\r
864int emu_SaveLoadGame(int load, int sram)\r
865{\r
866 int ret = 0;\r
867 char *saveFname;\r
868\r
869 // make save filename\r
870 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
871 if (saveFname == NULL) {\r
872 if (!sram) {\r
873 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
874 emu_noticeMsgUpdated();\r
875 }\r
876 return -1;\r
877 }\r
878\r
879 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
880\r
11f4e722 881 if (sram)\r
882 {\r
f013066e 883 FILE *sramFile;\r
884 int sram_size;\r
885 unsigned char *sram_data;\r
886 int truncate = 1;\r
dd5fd477 887 if (PicoAHW & PAHW_MCD)\r
888 {\r
889 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
f013066e 890 sram_size = 0x12000;\r
891 sram_data = SRam.data;\r
892 if (sram_data)\r
893 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
894 } else {\r
895 sram_size = 0x2000;\r
896 sram_data = Pico_mcd->bram;\r
897 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
898 }\r
899 } else {\r
900 sram_size = SRam.end-SRam.start+1;\r
901 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
902 sram_data = SRam.data;\r
903 }\r
904 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
905\r
dd5fd477 906 if (load)\r
907 {\r
f013066e 908 sramFile = fopen(saveFname, "rb");\r
909 if(!sramFile) return -1;\r
910 fread(sram_data, 1, sram_size, sramFile);\r
911 fclose(sramFile);\r
dd5fd477 912 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
f013066e 913 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
914 } else {\r
915 // sram save needs some special processing\r
916 // see if we have anything to save\r
917 for (; sram_size > 0; sram_size--)\r
918 if (sram_data[sram_size-1]) break;\r
919\r
920 if (sram_size) {\r
921 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
922 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
923 if (!sramFile) return -1;\r
924 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
925 ret = (ret != sram_size) ? -1 : 0;\r
926 fclose(sramFile);\r
927#ifndef NO_SYNC\r
928 sync();\r
929#endif\r
930 }\r
931 }\r
932 return ret;\r
933 }\r
934 else\r
935 {\r
936 void *PmovFile = NULL;\r
11f4e722 937 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
938 {\r
f013066e 939 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
940 emu_setSaveStateCbs(1);\r
11f4e722 941 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
f013066e 942 }\r
943 }\r
944 else\r
945 {\r
946 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
947 emu_setSaveStateCbs(0);\r
948 }\r
949 }\r
950 if(PmovFile) {\r
951 ret = PmovState(load ? 6 : 5, PmovFile);\r
952 areaClose(PmovFile);\r
953 PmovFile = 0;\r
954 if (load) Pico.m.dirtyPal=1;\r
955#ifndef NO_SYNC\r
956 else sync();\r
957#endif\r
958 }\r
959 else ret = -1;\r
960 if (!ret)\r
8fc24df1 961 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
f013066e 962 else\r
963 {\r
8fc24df1 964 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
f013066e 965 ret = -1;\r
966 }\r
967\r
968 emu_noticeMsgUpdated();\r
969 return ret;\r
970 }\r
971}\r
8e708f92 972\r
8a091e48 973void emu_changeFastForward(int set_on)\r
974{\r
975 static void *set_PsndOut = NULL;\r
976 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
977\r
978 if (set_on && !is_on) {\r
979 set_PsndOut = PsndOut;\r
980 set_Frameskip = currentConfig.Frameskip;\r
981 set_EmuOpt = currentConfig.EmuOpt;\r
982 PsndOut = NULL;\r
983 currentConfig.Frameskip = 8;\r
984 currentConfig.EmuOpt &= ~4;\r
985 currentConfig.EmuOpt |= 0x40000;\r
986 is_on = 1;\r
987 strcpy(noticeMsg, "FAST FORWARD ");\r
988 emu_noticeMsgUpdated();\r
989 }\r
990 else if (!set_on && is_on) {\r
991 PsndOut = set_PsndOut;\r
992 currentConfig.Frameskip = set_Frameskip;\r
993 currentConfig.EmuOpt = set_EmuOpt;\r
994 PsndRerate(1);\r
995 is_on = 0;\r
996 }\r
997}\r
998\r
999void emu_RunEventsPico(unsigned int events)\r
1000{\r
1001 if (events & (1 << 3)) {\r
1002 pico_inp_mode++;\r
1003 if (pico_inp_mode > 2) pico_inp_mode = 0;\r
1004 switch (pico_inp_mode) {\r
1005 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;\r
1006 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;\r
1007 case 0: strcpy(noticeMsg, "Input: Joytick ");\r
1008 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
1009 break;\r
1010 }\r
1011 emu_noticeMsgUpdated();\r
1012 }\r
1013 if (events & (1 << 4)) {\r
1014 PicoPicohw.page--;\r
1015 if (PicoPicohw.page < 0) PicoPicohw.page = 0;\r
1016 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
1017 emu_noticeMsgUpdated();\r
1018 }\r
1019 if (events & (1 << 5)) {\r
1020 PicoPicohw.page++;\r
1021 if (PicoPicohw.page > 6) PicoPicohw.page = 6;\r
1022 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
1023 emu_noticeMsgUpdated();\r
1024 }\r
1025}\r
1026\r
6589c840 1027void emu_DoTurbo(int *pad, int acts)\r
1028{\r
1029 static int turbo_pad = 0;\r
1030 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1031 int inc = currentConfig.turbo_rate * 2;\r
1032\r
1033 if (acts & 0x1000) {\r
1034 turbo_cnt[0] += inc;\r
1035 if (turbo_cnt[0] >= 60)\r
1036 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1037 }\r
1038 if (acts & 0x2000) {\r
1039 turbo_cnt[1] += inc;\r
1040 if (turbo_cnt[1] >= 60)\r
1041 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1042 }\r
1043 if (acts & 0x4000) {\r
1044 turbo_cnt[2] += inc;\r
1045 if (turbo_cnt[2] >= 60)\r
1046 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1047 }\r
1048 *pad |= turbo_pad & (acts >> 8);\r
1049}\r
8a091e48 1050\r
PicoDrive's frontend in a lib