notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
uncommited code for 151 release (PSP suspend, file browser, etc)
[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
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
8a091e48 46int pico_inp_mode = 0;\r
f013066e 47\r
48unsigned char *movie_data = NULL;\r
49static int movie_size = 0;\r
50\r
51// provided by platform code:\r
52extern char romFileName[];\r
53extern void emu_noticeMsgUpdated(void);\r
54extern void emu_getMainDir(char *dst, int len);\r
55extern void emu_setDefaultConfig(void);\r
56extern void menu_romload_prepare(const char *rom_name);\r
57extern void menu_romload_end(void);\r
58\r
59\r
60// utilities\r
61static void strlwr_(char* string)\r
62{\r
63 while ( (*string++ = (char)tolower(*string)) );\r
64}\r
65\r
66static int try_rfn_cut(void)\r
67{\r
68 FILE *tmp;\r
69 char *p;\r
70\r
71 p = romFileName + strlen(romFileName) - 1;\r
72 for (; p > romFileName; p--)\r
73 if (*p == '.') break;\r
74 *p = 0;\r
75\r
76 if((tmp = fopen(romFileName, "rb"))) {\r
77 fclose(tmp);\r
78 return 1;\r
79 }\r
80 return 0;\r
81}\r
82\r
83static void get_ext(char *file, char *ext)\r
84{\r
85 char *p;\r
86\r
87 p = file + strlen(file) - 4;\r
88 if (p < file) p = file;\r
89 strncpy(ext, p, 4);\r
90 ext[4] = 0;\r
91 strlwr_(ext);\r
92}\r
93\r
88bfc63d 94char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
95char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
f013066e 96char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
97\r
98int emu_findBios(int region, char **bios_file)\r
99{\r
100 static char bios_path[1024];\r
101 int i, count;\r
102 char **files;\r
103 FILE *f = NULL;\r
104\r
105 if (region == 4) { // US\r
106 files = biosfiles_us;\r
107 count = sizeof(biosfiles_us) / sizeof(char *);\r
108 } else if (region == 8) { // EU\r
109 files = biosfiles_eu;\r
110 count = sizeof(biosfiles_eu) / sizeof(char *);\r
111 } else if (region == 1 || region == 2) {\r
112 files = biosfiles_jp;\r
113 count = sizeof(biosfiles_jp) / sizeof(char *);\r
114 } else {\r
115 return 0;\r
116 }\r
117\r
118 for (i = 0; i < count; i++)\r
119 {\r
120 emu_getMainDir(bios_path, sizeof(bios_path));\r
121 strcat(bios_path, files[i]);\r
122 strcat(bios_path, ".bin");\r
123 f = fopen(bios_path, "rb");\r
124 if (f) break;\r
125\r
126 bios_path[strlen(bios_path) - 4] = 0;\r
127 strcat(bios_path, ".zip");\r
128 f = fopen(bios_path, "rb");\r
129 if (f) break;\r
130 }\r
131\r
132 if (f) {\r
133 lprintf("using bios: %s\n", bios_path);\r
134 fclose(f);\r
135 if (bios_file) *bios_file = bios_path;\r
136 return 1;\r
137 } else {\r
138 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
139 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
140 lprintf("%s\n", menuErrorMsg);\r
141 return 0;\r
142 }\r
143}\r
144\r
c6334564 145/* check if the name begins with BIOS name */\r
367b6f1f 146/*\r
c6334564 147static int emu_isBios(const char *name)\r
148{\r
149 int i;\r
150 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
151 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
152 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
153 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
154 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
155 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
156 return 0;\r
157}\r
367b6f1f 158*/\r
c6334564 159\r
367b6f1f 160static unsigned char id_header[0x100];\r
0ae25549 161\r
f013066e 162/* checks if romFileName points to valid MegaCD image\r
163 * if so, checks for suitable BIOS */\r
164int emu_cdCheck(int *pregion)\r
165{\r
166 unsigned char buf[32];\r
167 pm_file *cd_f;\r
9fe01b96 168 int region = 4; // 1: Japan, 4: US, 8: Europe\r
169 char ext[5], *fname = romFileName;\r
170 cue_track_type type = CT_UNKNOWN;\r
171 cue_data_t *cue_data = NULL;\r
1ceda417 172\r
173 get_ext(romFileName, ext);\r
9fe01b96 174 if (strcasecmp(ext, ".cue") == 0) {\r
175 cue_data = cue_parse(romFileName);\r
176 if (cue_data != NULL) {\r
177 fname = cue_data->tracks[1].fname;\r
178 type = cue_data->tracks[1].type;\r
179 }\r
180 }\r
181\r
182 cd_f = pm_open(fname);\r
183 if (cue_data != NULL)\r
184 cue_destroy(cue_data);\r
f013066e 185\r
f013066e 186 if (!cd_f) return 0; // let the upper level handle this\r
187\r
188 if (pm_read(buf, 32, cd_f) != 32) {\r
189 pm_close(cd_f);\r
190 return 0;\r
191 }\r
192\r
9fe01b96 193 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
194 if (type && type != CT_ISO)\r
195 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
196 type = CT_ISO; // Sega CD (ISO)\r
197 }\r
198 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
199 if (type && type != CT_BIN)\r
200 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
201 type = CT_BIN; // Sega CD (BIN)\r
202 }\r
203\r
204 if (type == CT_UNKNOWN) {\r
f013066e 205 pm_close(cd_f);\r
206 return 0;\r
207 }\r
208\r
9fe01b96 209 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
367b6f1f 210 pm_read(id_header, sizeof(id_header), cd_f);\r
0ae25549 211\r
f013066e 212 /* it seems we have a CD image here. Try to detect region now.. */\r
9fe01b96 213 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
f013066e 214 pm_read(buf, 1, cd_f);\r
215 pm_close(cd_f);\r
216\r
217 if (buf[0] == 0x64) region = 8; // EU\r
218 if (buf[0] == 0xa1) region = 1; // JAP\r
219\r
220 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
9fe01b96 221 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
f013066e 222\r
223 if (pregion != NULL) *pregion = region;\r
224\r
225 return type;\r
226}\r
227\r
ff63afa1 228static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
0ae25549 229{\r
230 char *p = dest;\r
231 int i;\r
232\r
233 if (swab) swab = 1;\r
234\r
235 for (i = len - 1; i >= 0; i--)\r
236 {\r
237 if (src[i^swab] != ' ') break;\r
238 }\r
239 len = i + 1;\r
240\r
241 for (i = 0; i < len; i++)\r
242 {\r
243 unsigned char s = src[i^swab];\r
244 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
245 s != '[' && s != ']' && s != '\\')\r
246 {\r
247 *p++ = s;\r
248 }\r
249 else\r
250 {\r
251 sprintf(p, "\\%02x", s);\r
252 p += 3;\r
253 }\r
254 }\r
255\r
256 return p - dest;\r
257}\r
258\r
259char *emu_makeRomId(void)\r
260{\r
261 static char id_string[3+0x11+0x11+0x30+16];\r
8e708f92 262 int pos, swab = 1;\r
0ae25549 263\r
dd5fd477 264 if (PicoAHW & PAHW_MCD) {\r
8e708f92 265 strcpy(id_string, "CD|");\r
266 swab = 0;\r
267 }\r
367b6f1f 268 else strcpy(id_string, "MD|");\r
0ae25549 269 pos = 3;\r
270\r
8e708f92 271 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
0ae25549 272 id_string[pos] = '|'; pos++;\r
8e708f92 273 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
0ae25549 274 id_string[pos] = '|'; pos++;\r
8e708f92 275 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
0ae25549 276 id_string[pos] = 0;\r
277\r
0ae25549 278 return id_string;\r
279}\r
280\r
f013066e 281int emu_ReloadRom(void)\r
282{\r
283 unsigned int rom_size = 0;\r
284 char *used_rom_name = romFileName;\r
144a28a0 285 unsigned char *rom_data = NULL;\r
f013066e 286 char ext[5];\r
287 pm_file *rom;\r
288 int ret, cd_state, cd_region, cfg_loaded = 0;\r
289\r
290 lprintf("emu_ReloadRom(%s)\n", romFileName);\r
291\r
292 get_ext(romFileName, ext);\r
293\r
294 // detect wrong extensions\r
144a28a0 295 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
f013066e 296 sprintf(menuErrorMsg, "Not a ROM selected.");\r
297 return 0;\r
298 }\r
299\r
300 PicoPatchUnload();\r
301\r
302 // check for movie file\r
144a28a0 303 if (movie_data) {\r
f013066e 304 free(movie_data);\r
305 movie_data = 0;\r
306 }\r
88bfc63d 307 if (!strcmp(ext, ".gmv"))\r
308 {\r
f013066e 309 // check for both gmv and rom\r
310 int dummy;\r
311 FILE *movie_file = fopen(romFileName, "rb");\r
312 if(!movie_file) {\r
313 sprintf(menuErrorMsg, "Failed to open movie.");\r
314 return 0;\r
315 }\r
316 fseek(movie_file, 0, SEEK_END);\r
317 movie_size = ftell(movie_file);\r
318 fseek(movie_file, 0, SEEK_SET);\r
319 if(movie_size < 64+3) {\r
320 sprintf(menuErrorMsg, "Invalid GMV file.");\r
321 fclose(movie_file);\r
322 return 0;\r
323 }\r
324 movie_data = malloc(movie_size);\r
325 if(movie_data == NULL) {\r
326 sprintf(menuErrorMsg, "low memory.");\r
327 fclose(movie_file);\r
328 return 0;\r
329 }\r
330 fread(movie_data, 1, movie_size, movie_file);\r
331 fclose(movie_file);\r
332 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
333 sprintf(menuErrorMsg, "Invalid GMV file.");\r
334 return 0;\r
335 }\r
336 dummy = try_rfn_cut() || try_rfn_cut();\r
337 if (!dummy) {\r
338 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
339 return 0;\r
340 }\r
341 get_ext(romFileName, ext);\r
342 }\r
343 else if (!strcmp(ext, ".pat")) {\r
344 int dummy;\r
345 PicoPatchLoad(romFileName);\r
346 dummy = try_rfn_cut() || try_rfn_cut();\r
347 if (!dummy) {\r
348 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
349 return 0;\r
350 }\r
351 get_ext(romFileName, ext);\r
352 }\r
353\r
dd5fd477 354 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
f013066e 355 Stop_CD();\r
356\r
357 // check for MegaCD image\r
358 cd_state = emu_cdCheck(&cd_region);\r
1ceda417 359 if (cd_state != CIT_NOT_CD)\r
f013066e 360 {\r
dd5fd477 361 PicoAHW |= PAHW_MCD;\r
f013066e 362 // valid CD image, check for BIOS..\r
363\r
364 // we need to have config loaded at this point\r
365 ret = emu_ReadConfig(1, 1);\r
366 if (!ret) emu_ReadConfig(0, 1);\r
367 cfg_loaded = 1;\r
368\r
369 if (PicoRegionOverride) {\r
370 cd_region = PicoRegionOverride;\r
371 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
372 }\r
373 if (!emu_findBios(cd_region, &used_rom_name)) {\r
374 // bios_help() ?\r
dd5fd477 375 PicoAHW &= ~PAHW_MCD;\r
f013066e 376 return 0;\r
377 }\r
378\r
f013066e 379 get_ext(used_rom_name, ext);\r
380 }\r
381 else\r
382 {\r
dd5fd477 383 if (PicoAHW & PAHW_MCD) Stop_CD();\r
384 PicoAHW &= ~PAHW_MCD;\r
f013066e 385 }\r
386\r
387 rom = pm_open(used_rom_name);\r
144a28a0 388 if (!rom) {\r
f013066e 389 sprintf(menuErrorMsg, "Failed to open rom.");\r
390 return 0;\r
391 }\r
392\r
a6df06b7 393 menu_romload_prepare(used_rom_name); // also CD load\r
f013066e 394\r
144a28a0 395 PicoCartUnload();\r
396 rom_loaded = 0;\r
f013066e 397\r
144a28a0 398 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
f013066e 399 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
400 lprintf("%s\n", menuErrorMsg);\r
401 pm_close(rom);\r
402 menu_romload_end();\r
403 return 0;\r
404 }\r
405 pm_close(rom);\r
f013066e 406\r
407 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
144a28a0 408 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
f013066e 409 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
410 if (rom_data) free(rom_data);\r
f013066e 411 sprintf(menuErrorMsg, "Not a ROM selected.");\r
a6df06b7 412 menu_romload_end();\r
f013066e 413 return 0;\r
414 }\r
415\r
416 // load config for this ROM (do this before insert to get correct region)\r
dd5fd477 417 if (!(PicoAHW & PAHW_MCD))\r
367b6f1f 418 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
f013066e 419 if (!cfg_loaded) {\r
420 ret = emu_ReadConfig(1, 1);\r
421 if (!ret) emu_ReadConfig(0, 1);\r
422 }\r
423\r
424 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
144a28a0 425 if (PicoCartInsert(rom_data, rom_size)) {\r
f013066e 426 sprintf(menuErrorMsg, "Failed to load ROM.");\r
a6df06b7 427 menu_romload_end();\r
f013066e 428 return 0;\r
429 }\r
430\r
f013066e 431 // insert CD if it was detected\r
1ceda417 432 if (cd_state != CIT_NOT_CD) {\r
433 ret = Insert_CD(romFileName, cd_state);\r
f013066e 434 if (ret != 0) {\r
435 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
436 lprintf("%s\n", menuErrorMsg);\r
a6df06b7 437 menu_romload_end();\r
f013066e 438 return 0;\r
439 }\r
440 }\r
441\r
a6df06b7 442 menu_romload_end();\r
443\r
f013066e 444 if (PicoPatches) {\r
445 PicoPatchPrepare();\r
446 PicoPatchApply();\r
447 }\r
448\r
449 // additional movie stuff\r
450 if (movie_data) {\r
451 if(movie_data[0x14] == '6')\r
dd5fd477 452 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
453 else PicoOpt &= ~POPT_6BTN_PAD;\r
a4790056 454 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f013066e 455 if(movie_data[0xF] >= 'A') {\r
456 if(movie_data[0x16] & 0x80) {\r
457 PicoRegionOverride = 8;\r
458 } else {\r
459 PicoRegionOverride = 4;\r
460 }\r
8d5cb10d 461 PicoReset();\r
f013066e 462 // TODO: bits 6 & 5\r
463 }\r
464 movie_data[0x18+30] = 0;\r
465 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
466 }\r
467 else\r
468 {\r
dd5fd477 469 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
f013066e 470 if(Pico.m.pal) {\r
471 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
472 } else {\r
473 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
474 }\r
475 }\r
476 emu_noticeMsgUpdated();\r
477\r
478 // load SRAM for this ROM\r
144a28a0 479 if (currentConfig.EmuOpt & 1)\r
f013066e 480 emu_SaveLoadGame(1, 1);\r
481\r
367b6f1f 482 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);\r
483 lastRomFile[sizeof(lastRomFile)-1] = 0;\r
144a28a0 484 rom_loaded = 1;\r
f013066e 485 return 1;\r
486}\r
487\r
488\r
489static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
490{\r
491 char *p;\r
492 int prefix_len = 0;\r
493\r
494 // make save filename\r
495 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
496 *dst = 0;\r
497 if (prefix) {\r
498 strcpy(dst, prefix);\r
499 prefix_len = strlen(prefix);\r
500 }\r
501 strncpy(dst + prefix_len, p, 511-prefix_len);\r
502 dst[511-8] = 0;\r
503 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
504 if (ext) strcat(dst, ext);\r
505}\r
506\r
507\r
2b1fd520 508static void make_config_cfg(char *cfg)\r
509{\r
510 strncpy(cfg, PicoConfigFile, 511);\r
511 if (config_slot != 0)\r
512 {\r
513 char *p = strrchr(cfg, '.');\r
514 if (p == NULL) p = cfg + strlen(cfg);\r
515 sprintf(p, ".%i.cfg", config_slot);\r
516 }\r
517 cfg[511] = 0;\r
518}\r
519\r
f013066e 520int emu_ReadConfig(int game, int no_defaults)\r
521{\r
0ae25549 522 char cfg[512];\r
f013066e 523 FILE *f;\r
0ae25549 524 int ret;\r
f013066e 525\r
526 if (!game)\r
527 {\r
528 if (!no_defaults)\r
f013066e 529 emu_setDefaultConfig();\r
2b1fd520 530 make_config_cfg(cfg);\r
0ae25549 531 ret = config_readsect(cfg, NULL);\r
f013066e 532 }\r
0ae25549 533 else\r
534 {\r
367b6f1f 535 char *sect = emu_makeRomId();\r
f013066e 536\r
0ae25549 537 // try new .cfg way\r
538 if (config_slot != 0)\r
539 sprintf(cfg, "game.%i.cfg", config_slot);\r
540 else strcpy(cfg, "game.cfg");\r
367b6f1f 541\r
542 ret = -1;\r
2b1fd520 543 if (config_havesect(cfg, sect))\r
544 {\r
545 // read user's config\r
67dfdf5f 546 int vol = currentConfig.volume;\r
367b6f1f 547 emu_setDefaultConfig();\r
548 ret = config_readsect(cfg, sect);\r
67dfdf5f 549 currentConfig.volume = vol; // make vol global (bah)\r
367b6f1f 550 }\r
558d8e1f 551 else\r
2b1fd520 552 {\r
553 // read global config, and apply game_def.cfg on top\r
554 make_config_cfg(cfg);\r
555 config_readsect(cfg, NULL);\r
556 ret = config_readsect("game_def.cfg", sect);\r
557 }\r
0ae25549 558\r
559 if (ret != 0)\r
560 {\r
2b1fd520 561 // fall back to old game specific cfg\r
0ae25549 562 char extbuf[16];\r
563 if (config_slot != 0)\r
564 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
565 else strcpy(extbuf, ".pbcfg");\r
566 romfname_ext(cfg, "cfg/", extbuf);\r
567 f = fopen(cfg, "rb");\r
568 if (!f) {\r
569 romfname_ext(cfg, NULL, ".pbcfg");\r
570 f = fopen(cfg, "rb");\r
571 }\r
572 if (f) {\r
367b6f1f 573 int bread;\r
574 fseek(f, 512, SEEK_SET); // skip unused lrom buffer\r
575 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
0ae25549 576 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");\r
577 fclose(f);\r
578 ret = 0;\r
579 }\r
580\r
581 if (ret == 0) {\r
582 PicoOpt = currentConfig.s_PicoOpt;\r
583 PsndRate = currentConfig.s_PsndRate;\r
584 PicoRegionOverride = currentConfig.s_PicoRegion;\r
585 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
88bfc63d 586 // PicoCDBuffers = currentConfig.s_PicoCDBuffers; // ignore in this case\r
0ae25549 587 }\r
588 }\r
589 else\r
590 {\r
367b6f1f 591 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
0ae25549 592 }\r
f013066e 593 }\r
0ae25549 594\r
f013066e 595 // some sanity checks\r
596 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
93c0d147 597#ifdef PSP\r
598 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
960a8e27 599 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
93c0d147 600#else\r
f013066e 601 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
93c0d147 602#endif\r
f013066e 603 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
8ede36b9 604#ifdef __GP2X__\r
f013066e 605 // if volume keys are unbound, bind them to volume control\r
606 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
607 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
608 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
609 }\r
8ede36b9 610#endif\r
0ae25549 611 if (ret == 0) config_slot_current = config_slot;\r
612 return (ret == 0);\r
f013066e 613}\r
614\r
615\r
0ae25549 616int emu_WriteConfig(int is_game)\r
f013066e 617{\r
0ae25549 618 char cfg[512], *game_sect = NULL;\r
619 int ret, write_lrom = 0;\r
f013066e 620\r
0ae25549 621 if (!is_game)\r
f013066e 622 {\r
623 strncpy(cfg, PicoConfigFile, 511);\r
624 if (config_slot != 0)\r
625 {\r
626 char *p = strrchr(cfg, '.');\r
627 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 628 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 629 }\r
630 cfg[511] = 0;\r
0ae25549 631 write_lrom = 1;\r
f013066e 632 } else {\r
633 if (config_slot != 0)\r
0ae25549 634 sprintf(cfg, "game.%i.cfg", config_slot);\r
635 else strcpy(cfg, "game.cfg");\r
636 game_sect = emu_makeRomId();\r
367b6f1f 637 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
f013066e 638 }\r
639\r
640 lprintf("emu_WriteConfig: %s ", cfg);\r
0ae25549 641 ret = config_writesect(cfg, game_sect);\r
367b6f1f 642 if (write_lrom) config_writelrom(cfg);\r
f013066e 643#ifndef NO_SYNC\r
0ae25549 644 sync();\r
f013066e 645#endif\r
0ae25549 646 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
f013066e 647\r
0ae25549 648 if (ret == 0) config_slot_current = config_slot;\r
649 return ret == 0;\r
f013066e 650}\r
651\r
652\r
653void emu_textOut8(int x, int y, const char *text)\r
654{\r
655 int i,l,len=strlen(text);\r
656 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
657\r
658 /* always using built-in font */\r
659 for (i = 0; i < len; i++)\r
660 {\r
661 for (l=0;l<8;l++)\r
662 {\r
663 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
664 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;\r
665 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;\r
666 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;\r
667 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;\r
668 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;\r
669 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;\r
670 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;\r
671 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;\r
672 }\r
673 screen += 8;\r
674 }\r
675}\r
676\r
677void emu_textOut16(int x, int y, const char *text)\r
678{\r
679 int i,l,len=strlen(text);\r
680 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
681\r
682 for (i = 0; i < len; i++)\r
683 {\r
684 for (l=0;l<8;l++)\r
685 {\r
686 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
687 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;\r
688 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;\r
689 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;\r
690 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;\r
691 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;\r
692 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;\r
693 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;\r
694 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;\r
695 }\r
696 screen += 8;\r
697 }\r
698}\r
699\r
960a8e27 700#ifdef PSP\r
701#define MAX_COMBO_KEY 23\r
702#else\r
703#define MAX_COMBO_KEY 31\r
704#endif\r
705\r
8e708f92 706void emu_findKeyBindCombos(void)\r
707{\r
708 int act, u;\r
709\r
710 // find out which keys and actions are combos\r
711 kb_combo_keys = kb_combo_acts = 0;\r
712 for (act = 0; act < 32; act++)\r
713 {\r
714 int keyc = 0, keyc2 = 0;\r
715 if (act == 16 || act == 17) continue; // player2 flag\r
716 if (act > 17)\r
717 {\r
960a8e27 718 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 719 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
720 }\r
721 else\r
722 {\r
960a8e27 723 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 724 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1\r
725 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;\r
960a8e27 726 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 727 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2\r
728 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;\r
729 if (keyc2 > keyc) keyc = keyc2;\r
730 }\r
731 if (keyc > 1)\r
732 {\r
733 // loop again and mark those keys and actions as combo\r
960a8e27 734 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
8e708f92 735 {\r
736 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
737 kb_combo_keys |= 1 << u;\r
738 kb_combo_acts |= 1 << act;\r
739 }\r
740 }\r
741 }\r
742 }\r
743\r
744 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);\r
745}\r
746\r
f013066e 747\r
748void emu_updateMovie(void)\r
749{\r
750 int offs = Pico.m.frame_count*3 + 0x40;\r
751 if (offs+3 > movie_size) {\r
752 free(movie_data);\r
753 movie_data = 0;\r
754 strcpy(noticeMsg, "END OF MOVIE.");\r
755 lprintf("END OF MOVIE.\n");\r
756 emu_noticeMsgUpdated();\r
757 } else {\r
758 // MXYZ SACB RLDU\r
759 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
760 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
761 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
762 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
763 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
764 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
765 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
766 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
767 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
768 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
769 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
770 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
771 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
772 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
773 }\r
774}\r
775\r
776\r
777static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
778{\r
779 return gzread(file, p, _n);\r
780}\r
781\r
782\r
783static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
784{\r
785 return gzwrite(file, p, _n);\r
786}\r
787\r
788static int try_ropen_file(const char *fname)\r
789{\r
790 FILE *f;\r
791\r
792 f = fopen(fname, "rb");\r
793 if (f) {\r
794 fclose(f);\r
795 return 1;\r
796 }\r
797 return 0;\r
798}\r
799\r
800char *emu_GetSaveFName(int load, int is_sram, int slot)\r
801{\r
802 static char saveFname[512];\r
803 char ext[16];\r
804\r
805 if (is_sram)\r
806 {\r
dd5fd477 807 romfname_ext(saveFname, (PicoAHW&1) ? "brm/" : "srm/", (PicoAHW&1) ? ".brm" : ".srm");\r
f013066e 808 if (load) {\r
809 if (try_ropen_file(saveFname)) return saveFname;\r
810 // try in current dir..\r
dd5fd477 811 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
f013066e 812 if (try_ropen_file(saveFname)) return saveFname;\r
813 return NULL; // give up\r
814 }\r
815 }\r
816 else\r
817 {\r
818 ext[0] = 0;\r
819 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
820 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
821\r
822 romfname_ext(saveFname, "mds/", ext);\r
823 if (load) {\r
824 if (try_ropen_file(saveFname)) return saveFname;\r
825 romfname_ext(saveFname, NULL, ext);\r
826 if (try_ropen_file(saveFname)) return saveFname;\r
827 if (currentConfig.EmuOpt & 8) {\r
828 ext[0] = 0;\r
829 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
830 strcat(ext, ".mds");\r
831\r
832 romfname_ext(saveFname, "mds/", ext);\r
833 if (try_ropen_file(saveFname)) return saveFname;\r
834 romfname_ext(saveFname, NULL, ext);\r
835 if (try_ropen_file(saveFname)) return saveFname;\r
836 }\r
837 return NULL;\r
838 }\r
839 }\r
840\r
841 return saveFname;\r
842}\r
843\r
844int emu_checkSaveFile(int slot)\r
845{\r
846 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
847}\r
848\r
849void emu_setSaveStateCbs(int gz)\r
850{\r
851 if (gz) {\r
852 areaRead = gzRead2;\r
853 areaWrite = gzWrite2;\r
854 areaEof = (areaeof *) gzeof;\r
855 areaSeek = (areaseek *) gzseek;\r
856 areaClose = (areaclose *) gzclose;\r
857 } else {\r
858 areaRead = (arearw *) fread;\r
859 areaWrite = (arearw *) fwrite;\r
860 areaEof = (areaeof *) feof;\r
861 areaSeek = (areaseek *) fseek;\r
862 areaClose = (areaclose *) fclose;\r
863 }\r
864}\r
865\r
866int emu_SaveLoadGame(int load, int sram)\r
867{\r
868 int ret = 0;\r
869 char *saveFname;\r
870\r
871 // make save filename\r
872 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
873 if (saveFname == NULL) {\r
874 if (!sram) {\r
875 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
876 emu_noticeMsgUpdated();\r
877 }\r
878 return -1;\r
879 }\r
880\r
881 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
882\r
11f4e722 883 if (sram)\r
884 {\r
f013066e 885 FILE *sramFile;\r
886 int sram_size;\r
887 unsigned char *sram_data;\r
888 int truncate = 1;\r
dd5fd477 889 if (PicoAHW & PAHW_MCD)\r
890 {\r
891 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
f013066e 892 sram_size = 0x12000;\r
893 sram_data = SRam.data;\r
894 if (sram_data)\r
895 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
896 } else {\r
897 sram_size = 0x2000;\r
898 sram_data = Pico_mcd->bram;\r
899 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
900 }\r
901 } else {\r
902 sram_size = SRam.end-SRam.start+1;\r
903 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
904 sram_data = SRam.data;\r
905 }\r
906 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
907\r
dd5fd477 908 if (load)\r
909 {\r
f013066e 910 sramFile = fopen(saveFname, "rb");\r
911 if(!sramFile) return -1;\r
912 fread(sram_data, 1, sram_size, sramFile);\r
913 fclose(sramFile);\r
dd5fd477 914 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
f013066e 915 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
916 } else {\r
917 // sram save needs some special processing\r
918 // see if we have anything to save\r
919 for (; sram_size > 0; sram_size--)\r
920 if (sram_data[sram_size-1]) break;\r
921\r
922 if (sram_size) {\r
923 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
924 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
925 if (!sramFile) return -1;\r
926 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
927 ret = (ret != sram_size) ? -1 : 0;\r
928 fclose(sramFile);\r
929#ifndef NO_SYNC\r
930 sync();\r
931#endif\r
932 }\r
933 }\r
934 return ret;\r
935 }\r
936 else\r
937 {\r
938 void *PmovFile = NULL;\r
11f4e722 939 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
940 {\r
f013066e 941 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
942 emu_setSaveStateCbs(1);\r
11f4e722 943 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
f013066e 944 }\r
945 }\r
946 else\r
947 {\r
948 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
949 emu_setSaveStateCbs(0);\r
950 }\r
951 }\r
952 if(PmovFile) {\r
953 ret = PmovState(load ? 6 : 5, PmovFile);\r
954 areaClose(PmovFile);\r
955 PmovFile = 0;\r
956 if (load) Pico.m.dirtyPal=1;\r
957#ifndef NO_SYNC\r
958 else sync();\r
959#endif\r
960 }\r
961 else ret = -1;\r
962 if (!ret)\r
8fc24df1 963 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
f013066e 964 else\r
965 {\r
8fc24df1 966 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
f013066e 967 ret = -1;\r
968 }\r
969\r
970 emu_noticeMsgUpdated();\r
971 return ret;\r
972 }\r
973}\r
8e708f92 974\r
8a091e48 975void emu_changeFastForward(int set_on)\r
976{\r
977 static void *set_PsndOut = NULL;\r
978 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
979\r
980 if (set_on && !is_on) {\r
981 set_PsndOut = PsndOut;\r
982 set_Frameskip = currentConfig.Frameskip;\r
983 set_EmuOpt = currentConfig.EmuOpt;\r
984 PsndOut = NULL;\r
985 currentConfig.Frameskip = 8;\r
986 currentConfig.EmuOpt &= ~4;\r
987 currentConfig.EmuOpt |= 0x40000;\r
988 is_on = 1;\r
989 strcpy(noticeMsg, "FAST FORWARD ");\r
990 emu_noticeMsgUpdated();\r
991 }\r
992 else if (!set_on && is_on) {\r
993 PsndOut = set_PsndOut;\r
994 currentConfig.Frameskip = set_Frameskip;\r
995 currentConfig.EmuOpt = set_EmuOpt;\r
996 PsndRerate(1);\r
997 is_on = 0;\r
998 }\r
999}\r
1000\r
1001void emu_RunEventsPico(unsigned int events)\r
1002{\r
1003 if (events & (1 << 3)) {\r
1004 pico_inp_mode++;\r
1005 if (pico_inp_mode > 2) pico_inp_mode = 0;\r
1006 switch (pico_inp_mode) {\r
1007 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;\r
1008 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;\r
1009 case 0: strcpy(noticeMsg, "Input: Joytick ");\r
1010 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
1011 break;\r
1012 }\r
1013 emu_noticeMsgUpdated();\r
1014 }\r
1015 if (events & (1 << 4)) {\r
1016 PicoPicohw.page--;\r
1017 if (PicoPicohw.page < 0) PicoPicohw.page = 0;\r
1018 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
1019 emu_noticeMsgUpdated();\r
1020 }\r
1021 if (events & (1 << 5)) {\r
1022 PicoPicohw.page++;\r
1023 if (PicoPicohw.page > 6) PicoPicohw.page = 6;\r
1024 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
1025 emu_noticeMsgUpdated();\r
1026 }\r
1027}\r
1028\r
6589c840 1029void emu_DoTurbo(int *pad, int acts)\r
1030{\r
1031 static int turbo_pad = 0;\r
1032 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1033 int inc = currentConfig.turbo_rate * 2;\r
1034\r
1035 if (acts & 0x1000) {\r
1036 turbo_cnt[0] += inc;\r
1037 if (turbo_cnt[0] >= 60)\r
1038 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1039 }\r
1040 if (acts & 0x2000) {\r
1041 turbo_cnt[1] += inc;\r
1042 if (turbo_cnt[1] >= 60)\r
1043 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1044 }\r
1045 if (acts & 0x4000) {\r
1046 turbo_cnt[2] += inc;\r
1047 if (turbo_cnt[2] >= 60)\r
1048 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1049 }\r
1050 *pad |= turbo_pad & (acts >> 8);\r
1051}\r
8a091e48 1052\r
PicoDrive's frontend in a lib