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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
9fe01b96 21#include <Pico/cd/cue.h>\r
f013066e 22#include <zlib/zlib.h>\r
23\r
24#if defined(__GP2X__)\r
25 #include "../gp2x/gp2x.h"\r
26 #define SCREEN_WIDTH 320\r
27 #define SCREEN_BUFFER gp2x_screen\r
28#elif defined(__GIZ__)\r
29 #include "../gizmondo/giz.h"\r
30 #define SCREEN_WIDTH 321\r
2951214e 31 #define SCREEN_BUFFER giz_screen\r
32#elif defined(PSP)\r
33 #include "../psp/psp.h"\r
34 #define SCREEN_WIDTH 512\r
35 #define SCREEN_BUFFER psp_screen\r
f013066e 36#endif\r
37\r
3e85ebdd 38char *PicoConfigFile = "config.cfg";\r
0ae25549 39currentConfig_t currentConfig, defaultConfig;\r
144a28a0 40int rom_loaded = 0;\r
f013066e 41char noticeMsg[64];\r
42int state_slot = 0;\r
43int config_slot = 0, config_slot_current = 0;\r
367b6f1f 44char lastRomFile[512];\r
8e708f92 45int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos\r
f013066e 46\r
47unsigned char *movie_data = NULL;\r
48static int movie_size = 0;\r
49\r
50// provided by platform code:\r
51extern char romFileName[];\r
52extern void emu_noticeMsgUpdated(void);\r
53extern void emu_getMainDir(char *dst, int len);\r
54extern void emu_setDefaultConfig(void);\r
55extern void menu_romload_prepare(const char *rom_name);\r
56extern void menu_romload_end(void);\r
57\r
58\r
59// utilities\r
60static void strlwr_(char* string)\r
61{\r
62 while ( (*string++ = (char)tolower(*string)) );\r
63}\r
64\r
65static int try_rfn_cut(void)\r
66{\r
67 FILE *tmp;\r
68 char *p;\r
69\r
70 p = romFileName + strlen(romFileName) - 1;\r
71 for (; p > romFileName; p--)\r
72 if (*p == '.') break;\r
73 *p = 0;\r
74\r
75 if((tmp = fopen(romFileName, "rb"))) {\r
76 fclose(tmp);\r
77 return 1;\r
78 }\r
79 return 0;\r
80}\r
81\r
82static void get_ext(char *file, char *ext)\r
83{\r
84 char *p;\r
85\r
86 p = file + strlen(file) - 4;\r
87 if (p < file) p = file;\r
88 strncpy(ext, p, 4);\r
89 ext[4] = 0;\r
90 strlwr_(ext);\r
91}\r
92\r
88bfc63d 93char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
94char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
f013066e 95char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
96\r
97int emu_findBios(int region, char **bios_file)\r
98{\r
99 static char bios_path[1024];\r
100 int i, count;\r
101 char **files;\r
102 FILE *f = NULL;\r
103\r
104 if (region == 4) { // US\r
105 files = biosfiles_us;\r
106 count = sizeof(biosfiles_us) / sizeof(char *);\r
107 } else if (region == 8) { // EU\r
108 files = biosfiles_eu;\r
109 count = sizeof(biosfiles_eu) / sizeof(char *);\r
110 } else if (region == 1 || region == 2) {\r
111 files = biosfiles_jp;\r
112 count = sizeof(biosfiles_jp) / sizeof(char *);\r
113 } else {\r
114 return 0;\r
115 }\r
116\r
117 for (i = 0; i < count; i++)\r
118 {\r
119 emu_getMainDir(bios_path, sizeof(bios_path));\r
120 strcat(bios_path, files[i]);\r
121 strcat(bios_path, ".bin");\r
122 f = fopen(bios_path, "rb");\r
123 if (f) break;\r
124\r
125 bios_path[strlen(bios_path) - 4] = 0;\r
126 strcat(bios_path, ".zip");\r
127 f = fopen(bios_path, "rb");\r
128 if (f) break;\r
129 }\r
130\r
131 if (f) {\r
132 lprintf("using bios: %s\n", bios_path);\r
133 fclose(f);\r
134 if (bios_file) *bios_file = bios_path;\r
135 return 1;\r
136 } else {\r
137 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
138 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
139 lprintf("%s\n", menuErrorMsg);\r
140 return 0;\r
141 }\r
142}\r
143\r
c6334564 144/* check if the name begins with BIOS name */\r
367b6f1f 145/*\r
c6334564 146static int emu_isBios(const char *name)\r
147{\r
148 int i;\r
149 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
150 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
151 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
152 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
153 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
154 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
155 return 0;\r
156}\r
367b6f1f 157*/\r
c6334564 158\r
367b6f1f 159static unsigned char id_header[0x100];\r
0ae25549 160\r
f013066e 161/* checks if romFileName points to valid MegaCD image\r
162 * if so, checks for suitable BIOS */\r
163int emu_cdCheck(int *pregion)\r
164{\r
165 unsigned char buf[32];\r
166 pm_file *cd_f;\r
9fe01b96 167 int region = 4; // 1: Japan, 4: US, 8: Europe\r
168 char ext[5], *fname = romFileName;\r
169 cue_track_type type = CT_UNKNOWN;\r
170 cue_data_t *cue_data = NULL;\r
1ceda417 171\r
172 get_ext(romFileName, ext);\r
9fe01b96 173 if (strcasecmp(ext, ".cue") == 0) {\r
174 cue_data = cue_parse(romFileName);\r
175 if (cue_data != NULL) {\r
176 fname = cue_data->tracks[1].fname;\r
177 type = cue_data->tracks[1].type;\r
178 }\r
179 }\r
180\r
181 cd_f = pm_open(fname);\r
182 if (cue_data != NULL)\r
183 cue_destroy(cue_data);\r
f013066e 184\r
f013066e 185 if (!cd_f) return 0; // let the upper level handle this\r
186\r
187 if (pm_read(buf, 32, cd_f) != 32) {\r
188 pm_close(cd_f);\r
189 return 0;\r
190 }\r
191\r
9fe01b96 192 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
193 if (type && type != CT_ISO)\r
194 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
195 type = CT_ISO; // Sega CD (ISO)\r
196 }\r
197 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
198 if (type && type != CT_BIN)\r
199 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
200 type = CT_BIN; // Sega CD (BIN)\r
201 }\r
202\r
203 if (type == CT_UNKNOWN) {\r
f013066e 204 pm_close(cd_f);\r
205 return 0;\r
206 }\r
207\r
9fe01b96 208 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
367b6f1f 209 pm_read(id_header, sizeof(id_header), cd_f);\r
0ae25549 210\r
f013066e 211 /* it seems we have a CD image here. Try to detect region now.. */\r
9fe01b96 212 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
f013066e 213 pm_read(buf, 1, cd_f);\r
214 pm_close(cd_f);\r
215\r
216 if (buf[0] == 0x64) region = 8; // EU\r
217 if (buf[0] == 0xa1) region = 1; // JAP\r
218\r
219 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
9fe01b96 220 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
f013066e 221\r
222 if (pregion != NULL) *pregion = region;\r
223\r
224 return type;\r
225}\r
226\r
ff63afa1 227static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
0ae25549 228{\r
229 char *p = dest;\r
230 int i;\r
231\r
232 if (swab) swab = 1;\r
233\r
234 for (i = len - 1; i >= 0; i--)\r
235 {\r
236 if (src[i^swab] != ' ') break;\r
237 }\r
238 len = i + 1;\r
239\r
240 for (i = 0; i < len; i++)\r
241 {\r
242 unsigned char s = src[i^swab];\r
243 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
244 s != '[' && s != ']' && s != '\\')\r
245 {\r
246 *p++ = s;\r
247 }\r
248 else\r
249 {\r
250 sprintf(p, "\\%02x", s);\r
251 p += 3;\r
252 }\r
253 }\r
254\r
255 return p - dest;\r
256}\r
257\r
258char *emu_makeRomId(void)\r
259{\r
260 static char id_string[3+0x11+0x11+0x30+16];\r
8e708f92 261 int pos, swab = 1;\r
0ae25549 262\r
dd5fd477 263 if (PicoAHW & PAHW_MCD) {\r
8e708f92 264 strcpy(id_string, "CD|");\r
265 swab = 0;\r
266 }\r
367b6f1f 267 else strcpy(id_string, "MD|");\r
0ae25549 268 pos = 3;\r
269\r
8e708f92 270 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
0ae25549 271 id_string[pos] = '|'; pos++;\r
8e708f92 272 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
0ae25549 273 id_string[pos] = '|'; pos++;\r
8e708f92 274 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
0ae25549 275 id_string[pos] = 0;\r
276\r
0ae25549 277 return id_string;\r
278}\r
279\r
f013066e 280int emu_ReloadRom(void)\r
281{\r
282 unsigned int rom_size = 0;\r
283 char *used_rom_name = romFileName;\r
144a28a0 284 unsigned char *rom_data = NULL;\r
f013066e 285 char ext[5];\r
286 pm_file *rom;\r
287 int ret, cd_state, cd_region, cfg_loaded = 0;\r
288\r
289 lprintf("emu_ReloadRom(%s)\n", romFileName);\r
290\r
291 get_ext(romFileName, ext);\r
292\r
293 // detect wrong extensions\r
144a28a0 294 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
f013066e 295 sprintf(menuErrorMsg, "Not a ROM selected.");\r
296 return 0;\r
297 }\r
298\r
299 PicoPatchUnload();\r
300\r
301 // check for movie file\r
144a28a0 302 if (movie_data) {\r
f013066e 303 free(movie_data);\r
304 movie_data = 0;\r
305 }\r
88bfc63d 306 if (!strcmp(ext, ".gmv"))\r
307 {\r
f013066e 308 // check for both gmv and rom\r
309 int dummy;\r
310 FILE *movie_file = fopen(romFileName, "rb");\r
311 if(!movie_file) {\r
312 sprintf(menuErrorMsg, "Failed to open movie.");\r
313 return 0;\r
314 }\r
315 fseek(movie_file, 0, SEEK_END);\r
316 movie_size = ftell(movie_file);\r
317 fseek(movie_file, 0, SEEK_SET);\r
318 if(movie_size < 64+3) {\r
319 sprintf(menuErrorMsg, "Invalid GMV file.");\r
320 fclose(movie_file);\r
321 return 0;\r
322 }\r
323 movie_data = malloc(movie_size);\r
324 if(movie_data == NULL) {\r
325 sprintf(menuErrorMsg, "low memory.");\r
326 fclose(movie_file);\r
327 return 0;\r
328 }\r
329 fread(movie_data, 1, movie_size, movie_file);\r
330 fclose(movie_file);\r
331 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
332 sprintf(menuErrorMsg, "Invalid GMV file.");\r
333 return 0;\r
334 }\r
335 dummy = try_rfn_cut() || try_rfn_cut();\r
336 if (!dummy) {\r
337 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
338 return 0;\r
339 }\r
340 get_ext(romFileName, ext);\r
341 }\r
342 else if (!strcmp(ext, ".pat")) {\r
343 int dummy;\r
344 PicoPatchLoad(romFileName);\r
345 dummy = try_rfn_cut() || try_rfn_cut();\r
346 if (!dummy) {\r
347 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
348 return 0;\r
349 }\r
350 get_ext(romFileName, ext);\r
351 }\r
352\r
dd5fd477 353 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
f013066e 354 Stop_CD();\r
355\r
356 // check for MegaCD image\r
357 cd_state = emu_cdCheck(&cd_region);\r
1ceda417 358 if (cd_state != CIT_NOT_CD)\r
f013066e 359 {\r
dd5fd477 360 PicoAHW |= PAHW_MCD;\r
f013066e 361 // valid CD image, check for BIOS..\r
362\r
363 // we need to have config loaded at this point\r
364 ret = emu_ReadConfig(1, 1);\r
365 if (!ret) emu_ReadConfig(0, 1);\r
366 cfg_loaded = 1;\r
367\r
368 if (PicoRegionOverride) {\r
369 cd_region = PicoRegionOverride;\r
370 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
371 }\r
372 if (!emu_findBios(cd_region, &used_rom_name)) {\r
373 // bios_help() ?\r
dd5fd477 374 PicoAHW &= ~PAHW_MCD;\r
f013066e 375 return 0;\r
376 }\r
377\r
f013066e 378 get_ext(used_rom_name, ext);\r
379 }\r
380 else\r
381 {\r
dd5fd477 382 if (PicoAHW & PAHW_MCD) Stop_CD();\r
383 PicoAHW &= ~PAHW_MCD;\r
f013066e 384 }\r
385\r
386 rom = pm_open(used_rom_name);\r
144a28a0 387 if (!rom) {\r
f013066e 388 sprintf(menuErrorMsg, "Failed to open rom.");\r
389 return 0;\r
390 }\r
391\r
a6df06b7 392 menu_romload_prepare(used_rom_name); // also CD load\r
f013066e 393\r
144a28a0 394 PicoCartUnload();\r
395 rom_loaded = 0;\r
f013066e 396\r
144a28a0 397 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
f013066e 398 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
399 lprintf("%s\n", menuErrorMsg);\r
400 pm_close(rom);\r
401 menu_romload_end();\r
402 return 0;\r
403 }\r
404 pm_close(rom);\r
f013066e 405\r
406 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
144a28a0 407 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
f013066e 408 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
409 if (rom_data) free(rom_data);\r
f013066e 410 sprintf(menuErrorMsg, "Not a ROM selected.");\r
a6df06b7 411 menu_romload_end();\r
f013066e 412 return 0;\r
413 }\r
414\r
415 // load config for this ROM (do this before insert to get correct region)\r
dd5fd477 416 if (!(PicoAHW & PAHW_MCD))\r
367b6f1f 417 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
f013066e 418 if (!cfg_loaded) {\r
419 ret = emu_ReadConfig(1, 1);\r
420 if (!ret) emu_ReadConfig(0, 1);\r
421 }\r
422\r
423 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
144a28a0 424 if (PicoCartInsert(rom_data, rom_size)) {\r
f013066e 425 sprintf(menuErrorMsg, "Failed to load ROM.");\r
a6df06b7 426 menu_romload_end();\r
f013066e 427 return 0;\r
428 }\r
429\r
f013066e 430 // insert CD if it was detected\r
1ceda417 431 if (cd_state != CIT_NOT_CD) {\r
432 ret = Insert_CD(romFileName, cd_state);\r
f013066e 433 if (ret != 0) {\r
434 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
435 lprintf("%s\n", menuErrorMsg);\r
a6df06b7 436 menu_romload_end();\r
f013066e 437 return 0;\r
438 }\r
439 }\r
440\r
a6df06b7 441 menu_romload_end();\r
442\r
f013066e 443 if (PicoPatches) {\r
444 PicoPatchPrepare();\r
445 PicoPatchApply();\r
446 }\r
447\r
448 // additional movie stuff\r
449 if (movie_data) {\r
450 if(movie_data[0x14] == '6')\r
dd5fd477 451 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
452 else PicoOpt &= ~POPT_6BTN_PAD;\r
a4790056 453 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f013066e 454 if(movie_data[0xF] >= 'A') {\r
455 if(movie_data[0x16] & 0x80) {\r
456 PicoRegionOverride = 8;\r
457 } else {\r
458 PicoRegionOverride = 4;\r
459 }\r
8d5cb10d 460 PicoReset();\r
f013066e 461 // TODO: bits 6 & 5\r
462 }\r
463 movie_data[0x18+30] = 0;\r
464 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
465 }\r
466 else\r
467 {\r
dd5fd477 468 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
f013066e 469 if(Pico.m.pal) {\r
470 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
471 } else {\r
472 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
473 }\r
474 }\r
475 emu_noticeMsgUpdated();\r
476\r
477 // load SRAM for this ROM\r
144a28a0 478 if (currentConfig.EmuOpt & 1)\r
f013066e 479 emu_SaveLoadGame(1, 1);\r
480\r
367b6f1f 481 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);\r
482 lastRomFile[sizeof(lastRomFile)-1] = 0;\r
144a28a0 483 rom_loaded = 1;\r
f013066e 484 return 1;\r
485}\r
486\r
487\r
488static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
489{\r
490 char *p;\r
491 int prefix_len = 0;\r
492\r
493 // make save filename\r
494 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
495 *dst = 0;\r
496 if (prefix) {\r
497 strcpy(dst, prefix);\r
498 prefix_len = strlen(prefix);\r
499 }\r
500 strncpy(dst + prefix_len, p, 511-prefix_len);\r
501 dst[511-8] = 0;\r
502 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
503 if (ext) strcat(dst, ext);\r
504}\r
505\r
506\r
2b1fd520 507static void make_config_cfg(char *cfg)\r
508{\r
509 strncpy(cfg, PicoConfigFile, 511);\r
510 if (config_slot != 0)\r
511 {\r
512 char *p = strrchr(cfg, '.');\r
513 if (p == NULL) p = cfg + strlen(cfg);\r
514 sprintf(p, ".%i.cfg", config_slot);\r
515 }\r
516 cfg[511] = 0;\r
517}\r
518\r
f013066e 519int emu_ReadConfig(int game, int no_defaults)\r
520{\r
0ae25549 521 char cfg[512];\r
f013066e 522 FILE *f;\r
0ae25549 523 int ret;\r
f013066e 524\r
525 if (!game)\r
526 {\r
527 if (!no_defaults)\r
f013066e 528 emu_setDefaultConfig();\r
2b1fd520 529 make_config_cfg(cfg);\r
0ae25549 530 ret = config_readsect(cfg, NULL);\r
f013066e 531 }\r
0ae25549 532 else\r
533 {\r
367b6f1f 534 char *sect = emu_makeRomId();\r
f013066e 535\r
0ae25549 536 // try new .cfg way\r
537 if (config_slot != 0)\r
538 sprintf(cfg, "game.%i.cfg", config_slot);\r
539 else strcpy(cfg, "game.cfg");\r
367b6f1f 540\r
541 ret = -1;\r
2b1fd520 542 if (config_havesect(cfg, sect))\r
543 {\r
544 // read user's config\r
67dfdf5f 545 int vol = currentConfig.volume;\r
367b6f1f 546 emu_setDefaultConfig();\r
547 ret = config_readsect(cfg, sect);\r
67dfdf5f 548 currentConfig.volume = vol; // make vol global (bah)\r
367b6f1f 549 }\r
558d8e1f 550 else\r
2b1fd520 551 {\r
552 // read global config, and apply game_def.cfg on top\r
553 make_config_cfg(cfg);\r
554 config_readsect(cfg, NULL);\r
555 ret = config_readsect("game_def.cfg", sect);\r
556 }\r
0ae25549 557\r
558 if (ret != 0)\r
559 {\r
2b1fd520 560 // fall back to old game specific cfg\r
0ae25549 561 char extbuf[16];\r
562 if (config_slot != 0)\r
563 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
564 else strcpy(extbuf, ".pbcfg");\r
565 romfname_ext(cfg, "cfg/", extbuf);\r
566 f = fopen(cfg, "rb");\r
567 if (!f) {\r
568 romfname_ext(cfg, NULL, ".pbcfg");\r
569 f = fopen(cfg, "rb");\r
570 }\r
571 if (f) {\r
367b6f1f 572 int bread;\r
573 fseek(f, 512, SEEK_SET); // skip unused lrom buffer\r
574 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
0ae25549 575 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");\r
576 fclose(f);\r
577 ret = 0;\r
578 }\r
579\r
580 if (ret == 0) {\r
581 PicoOpt = currentConfig.s_PicoOpt;\r
582 PsndRate = currentConfig.s_PsndRate;\r
583 PicoRegionOverride = currentConfig.s_PicoRegion;\r
584 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
88bfc63d 585 // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case\r
0ae25549 586 }\r
587 }\r
588 else\r
589 {\r
367b6f1f 590 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
0ae25549 591 }\r
f013066e 592 }\r
0ae25549 593\r
f013066e 594 // some sanity checks\r
595 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
93c0d147 596#ifdef PSP\r
597 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
960a8e27 598 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
93c0d147 599#else\r
f013066e 600 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
93c0d147 601#endif\r
f013066e 602 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
8ede36b9 603#ifdef __GP2X__\r
f013066e 604 // if volume keys are unbound, bind them to volume control\r
605 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
606 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
607 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
608 }\r
8ede36b9 609#endif\r
0ae25549 610 if (ret == 0) config_slot_current = config_slot;\r
611 return (ret == 0);\r
f013066e 612}\r
613\r
614\r
0ae25549 615int emu_WriteConfig(int is_game)\r
f013066e 616{\r
0ae25549 617 char cfg[512], *game_sect = NULL;\r
618 int ret, write_lrom = 0;\r
f013066e 619\r
0ae25549 620 if (!is_game)\r
f013066e 621 {\r
622 strncpy(cfg, PicoConfigFile, 511);\r
623 if (config_slot != 0)\r
624 {\r
625 char *p = strrchr(cfg, '.');\r
626 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 627 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 628 }\r
629 cfg[511] = 0;\r
0ae25549 630 write_lrom = 1;\r
f013066e 631 } else {\r
632 if (config_slot != 0)\r
0ae25549 633 sprintf(cfg, "game.%i.cfg", config_slot);\r
634 else strcpy(cfg, "game.cfg");\r
635 game_sect = emu_makeRomId();\r
367b6f1f 636 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
f013066e 637 }\r
638\r
639 lprintf("emu_WriteConfig: %s ", cfg);\r
0ae25549 640 ret = config_writesect(cfg, game_sect);\r
367b6f1f 641 if (write_lrom) config_writelrom(cfg);\r
f013066e 642#ifndef NO_SYNC\r
0ae25549 643 sync();\r
f013066e 644#endif\r
0ae25549 645 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
f013066e 646\r
0ae25549 647 if (ret == 0) config_slot_current = config_slot;\r
648 return ret == 0;\r
f013066e 649}\r
650\r
651\r
652void emu_textOut8(int x, int y, const char *text)\r
653{\r
654 int i,l,len=strlen(text);\r
655 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
656\r
657 /* always using built-in font */\r
658 for (i = 0; i < len; i++)\r
659 {\r
660 for (l=0;l<8;l++)\r
661 {\r
662 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
663 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;\r
664 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;\r
665 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;\r
666 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;\r
667 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;\r
668 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;\r
669 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;\r
670 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;\r
671 }\r
672 screen += 8;\r
673 }\r
674}\r
675\r
676void emu_textOut16(int x, int y, const char *text)\r
677{\r
678 int i,l,len=strlen(text);\r
679 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
680\r
681 for (i = 0; i < len; i++)\r
682 {\r
683 for (l=0;l<8;l++)\r
684 {\r
685 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
686 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;\r
687 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;\r
688 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;\r
689 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;\r
690 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;\r
691 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;\r
692 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;\r
693 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;\r
694 }\r
695 screen += 8;\r
696 }\r
697}\r
698\r
960a8e27 699#ifdef PSP\r
700#define MAX_COMBO_KEY 23\r
701#else\r
702#define MAX_COMBO_KEY 31\r
703#endif\r
704\r
8e708f92 705void emu_findKeyBindCombos(void)\r
706{\r
707 int act, u;\r
708\r
709 // find out which keys and actions are combos\r
710 kb_combo_keys = kb_combo_acts = 0;\r
711 for (act = 0; act < 32; act++)\r
712 {\r
713 int keyc = 0, keyc2 = 0;\r
714 if (act == 16 || act == 17) continue; // player2 flag\r
715 if (act > 17)\r
716 {\r
960a8e27 717 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 718 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
719 }\r
720 else\r
721 {\r
960a8e27 722 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 723 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1\r
724 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;\r
960a8e27 725 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 726 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2\r
727 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;\r
728 if (keyc2 > keyc) keyc = keyc2;\r
729 }\r
730 if (keyc > 1)\r
731 {\r
732 // loop again and mark those keys and actions as combo\r
960a8e27 733 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 734 {\r
735 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
736 kb_combo_keys |= 1 << u;\r
737 kb_combo_acts |= 1 << act;\r
738 }\r
739 }\r
740 }\r
741 }\r
742\r
743 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);\r
744}\r
745\r
f013066e 746\r
747void emu_updateMovie(void)\r
748{\r
749 int offs = Pico.m.frame_count*3 + 0x40;\r
750 if (offs+3 > movie_size) {\r
751 free(movie_data);\r
752 movie_data = 0;\r
753 strcpy(noticeMsg, "END OF MOVIE.");\r
754 lprintf("END OF MOVIE.\n");\r
755 emu_noticeMsgUpdated();\r
756 } else {\r
757 // MXYZ SACB RLDU\r
758 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
759 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
760 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
761 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
762 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
763 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
764 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
765 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
766 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
767 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
768 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
769 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
770 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
771 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
772 }\r
773}\r
774\r
775\r
776static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
777{\r
778 return gzread(file, p, _n);\r
779}\r
780\r
781\r
782static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
783{\r
784 return gzwrite(file, p, _n);\r
785}\r
786\r
787static int try_ropen_file(const char *fname)\r
788{\r
789 FILE *f;\r
790\r
791 f = fopen(fname, "rb");\r
792 if (f) {\r
793 fclose(f);\r
794 return 1;\r
795 }\r
796 return 0;\r
797}\r
798\r
799char *emu_GetSaveFName(int load, int is_sram, int slot)\r
800{\r
801 static char saveFname[512];\r
802 char ext[16];\r
803\r
804 if (is_sram)\r
805 {\r
dd5fd477 806 romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");\r
f013066e 807 if (load) {\r
808 if (try_ropen_file(saveFname)) return saveFname;\r
809 // try in current dir..\r
dd5fd477 810 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
f013066e 811 if (try_ropen_file(saveFname)) return saveFname;\r
812 return NULL; // give up\r
813 }\r
814 }\r
815 else\r
816 {\r
817 ext[0] = 0;\r
818 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
819 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
820\r
821 romfname_ext(saveFname, "mds/", ext);\r
822 if (load) {\r
823 if (try_ropen_file(saveFname)) return saveFname;\r
824 romfname_ext(saveFname, NULL, ext);\r
825 if (try_ropen_file(saveFname)) return saveFname;\r
826 if (currentConfig.EmuOpt & 8) {\r
827 ext[0] = 0;\r
828 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
829 strcat(ext, ".mds");\r
830\r
831 romfname_ext(saveFname, "mds/", ext);\r
832 if (try_ropen_file(saveFname)) return saveFname;\r
833 romfname_ext(saveFname, NULL, ext);\r
834 if (try_ropen_file(saveFname)) return saveFname;\r
835 }\r
836 return NULL;\r
837 }\r
838 }\r
839\r
840 return saveFname;\r
841}\r
842\r
843int emu_checkSaveFile(int slot)\r
844{\r
845 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
846}\r
847\r
848void emu_setSaveStateCbs(int gz)\r
849{\r
850 if (gz) {\r
851 areaRead = gzRead2;\r
852 areaWrite = gzWrite2;\r
853 areaEof = (areaeof *) gzeof;\r
854 areaSeek = (areaseek *) gzseek;\r
855 areaClose = (areaclose *) gzclose;\r
856 } else {\r
857 areaRead = (arearw *) fread;\r
858 areaWrite = (arearw *) fwrite;\r
859 areaEof = (areaeof *) feof;\r
860 areaSeek = (areaseek *) fseek;\r
861 areaClose = (areaclose *) fclose;\r
862 }\r
863}\r
864\r
865int emu_SaveLoadGame(int load, int sram)\r
866{\r
867 int ret = 0;\r
868 char *saveFname;\r
869\r
870 // make save filename\r
871 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
872 if (saveFname == NULL) {\r
873 if (!sram) {\r
874 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
875 emu_noticeMsgUpdated();\r
876 }\r
877 return -1;\r
878 }\r
879\r
880 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
881\r
11f4e722 882 if (sram)\r
883 {\r
f013066e 884 FILE *sramFile;\r
885 int sram_size;\r
886 unsigned char *sram_data;\r
887 int truncate = 1;\r
dd5fd477 888 if (PicoAHW & PAHW_MCD)\r
889 {\r
890 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
f013066e 891 sram_size = 0x12000;\r
892 sram_data = SRam.data;\r
893 if (sram_data)\r
894 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
895 } else {\r
896 sram_size = 0x2000;\r
897 sram_data = Pico_mcd->bram;\r
898 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
899 }\r
900 } else {\r
901 sram_size = SRam.end-SRam.start+1;\r
902 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
903 sram_data = SRam.data;\r
904 }\r
905 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
906\r
dd5fd477 907 if (load)\r
908 {\r
f013066e 909 sramFile = fopen(saveFname, "rb");\r
910 if(!sramFile) return -1;\r
911 fread(sram_data, 1, sram_size, sramFile);\r
912 fclose(sramFile);\r
dd5fd477 913 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
f013066e 914 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
915 } else {\r
916 // sram save needs some special processing\r
917 // see if we have anything to save\r
918 for (; sram_size > 0; sram_size--)\r
919 if (sram_data[sram_size-1]) break;\r
920\r
921 if (sram_size) {\r
922 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
923 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
924 if (!sramFile) return -1;\r
925 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
926 ret = (ret != sram_size) ? -1 : 0;\r
927 fclose(sramFile);\r
928#ifndef NO_SYNC\r
929 sync();\r
930#endif\r
931 }\r
932 }\r
933 return ret;\r
934 }\r
935 else\r
936 {\r
937 void *PmovFile = NULL;\r
11f4e722 938 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
939 {\r
f013066e 940 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
941 emu_setSaveStateCbs(1);\r
11f4e722 942 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
f013066e 943 }\r
944 }\r
945 else\r
946 {\r
947 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
948 emu_setSaveStateCbs(0);\r
949 }\r
950 }\r
951 if(PmovFile) {\r
952 ret = PmovState(load ? 6 : 5, PmovFile);\r
953 areaClose(PmovFile);\r
954 PmovFile = 0;\r
955 if (load) Pico.m.dirtyPal=1;\r
956#ifndef NO_SYNC\r
957 else sync();\r
958#endif\r
959 }\r
960 else ret = -1;\r
961 if (!ret)\r
962 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
963 else\r
964 {\r
965 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
966 ret = -1;\r
967 }\r
968\r
969 emu_noticeMsgUpdated();\r
970 return ret;\r
971 }\r
972}\r
8e708f92 973\r
PicoDrive's frontend in a lib