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bugfix2
[picodrive.git] / platform / common / emu.c
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ea8c405f 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
58c86d00 17#include "config.h"\r
3a3947cd 18#include "common.h"\r
713c9224 19#include "plat.h"\r
ea8c405f 20\r
efcba75f 21#include <pico/pico_int.h>\r
22#include <pico/patch.h>\r
23#include <pico/cd/cue.h>\r
ea8c405f 24#include <zlib/zlib.h>\r
25\r
ea8c405f 26\r
c46ffd31 27char *PicoConfigFile = "config.cfg";\r
58c86d00 28currentConfig_t currentConfig, defaultConfig;\r
ca482e5d 29char noticeMsg[64] = { 0, };\r
ea8c405f 30int state_slot = 0;\r
31int config_slot = 0, config_slot_current = 0;\r
bdec53c9 32int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos\r
c060a9ab 33int pico_inp_mode = 0;\r
713c9224 34int engineState = PGS_Menu;\r
35\r
36/* TODO: len checking */\r
37char rom_fname_reload[512] = { 0, };\r
38char rom_fname_loaded[512] = { 0, };\r
39int rom_loaded = 0;\r
ea8c405f 40\r
41unsigned char *movie_data = NULL;\r
42static int movie_size = 0;\r
43\r
ea8c405f 44\r
45// utilities\r
f8af9634 46static void strlwr_(char *string)\r
ea8c405f 47{\r
f8af9634 48 char *p;\r
49 for (p = string; *p; p++)\r
50 *p = (char)tolower(*p);\r
ea8c405f 51}\r
52\r
ca482e5d 53static int try_rfn_cut(char *fname)\r
ea8c405f 54{\r
55 FILE *tmp;\r
56 char *p;\r
57\r
ca482e5d 58 p = fname + strlen(fname) - 1;\r
59 for (; p > fname; p--)\r
ea8c405f 60 if (*p == '.') break;\r
61 *p = 0;\r
62\r
ca482e5d 63 if((tmp = fopen(fname, "rb"))) {\r
ea8c405f 64 fclose(tmp);\r
65 return 1;\r
66 }\r
67 return 0;\r
68}\r
69\r
70static void get_ext(char *file, char *ext)\r
71{\r
72 char *p;\r
73\r
74 p = file + strlen(file) - 4;\r
75 if (p < file) p = file;\r
76 strncpy(ext, p, 4);\r
77 ext[4] = 0;\r
78 strlwr_(ext);\r
79}\r
80\r
2d2247c2 81char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
82char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
ea8c405f 83char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
84\r
85int emu_findBios(int region, char **bios_file)\r
86{\r
87 static char bios_path[1024];\r
88 int i, count;\r
89 char **files;\r
90 FILE *f = NULL;\r
91\r
92 if (region == 4) { // US\r
93 files = biosfiles_us;\r
94 count = sizeof(biosfiles_us) / sizeof(char *);\r
95 } else if (region == 8) { // EU\r
96 files = biosfiles_eu;\r
97 count = sizeof(biosfiles_eu) / sizeof(char *);\r
98 } else if (region == 1 || region == 2) {\r
99 files = biosfiles_jp;\r
100 count = sizeof(biosfiles_jp) / sizeof(char *);\r
101 } else {\r
102 return 0;\r
103 }\r
104\r
105 for (i = 0; i < count; i++)\r
106 {\r
107 emu_getMainDir(bios_path, sizeof(bios_path));\r
108 strcat(bios_path, files[i]);\r
109 strcat(bios_path, ".bin");\r
110 f = fopen(bios_path, "rb");\r
111 if (f) break;\r
112\r
113 bios_path[strlen(bios_path) - 4] = 0;\r
114 strcat(bios_path, ".zip");\r
115 f = fopen(bios_path, "rb");\r
116 if (f) break;\r
117 }\r
118\r
119 if (f) {\r
120 lprintf("using bios: %s\n", bios_path);\r
121 fclose(f);\r
122 if (bios_file) *bios_file = bios_path;\r
123 return 1;\r
124 } else {\r
125 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
126 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
127 lprintf("%s\n", menuErrorMsg);\r
128 return 0;\r
129 }\r
130}\r
131\r
c6196c0f 132/* check if the name begins with BIOS name */\r
1ca2ea4f 133/*\r
c6196c0f 134static int emu_isBios(const char *name)\r
135{\r
136 int i;\r
137 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
138 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
139 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
140 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
141 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
142 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
143 return 0;\r
144}\r
1ca2ea4f 145*/\r
c6196c0f 146\r
1ca2ea4f 147static unsigned char id_header[0x100];\r
58c86d00 148\r
ca482e5d 149/* checks if fname points to valid MegaCD image\r
ea8c405f 150 * if so, checks for suitable BIOS */\r
ca482e5d 151int emu_cdCheck(int *pregion, char *fname_in)\r
ea8c405f 152{\r
153 unsigned char buf[32];\r
154 pm_file *cd_f;\r
9037e45d 155 int region = 4; // 1: Japan, 4: US, 8: Europe\r
ca482e5d 156 char ext[5], *fname = fname_in;\r
9037e45d 157 cue_track_type type = CT_UNKNOWN;\r
158 cue_data_t *cue_data = NULL;\r
b923ecbe 159\r
ca482e5d 160 get_ext(fname_in, ext);\r
9037e45d 161 if (strcasecmp(ext, ".cue") == 0) {\r
ca482e5d 162 cue_data = cue_parse(fname_in);\r
9037e45d 163 if (cue_data != NULL) {\r
164 fname = cue_data->tracks[1].fname;\r
165 type = cue_data->tracks[1].type;\r
166 }\r
f9f40f10 167 else\r
168 return -1;\r
9037e45d 169 }\r
170\r
171 cd_f = pm_open(fname);\r
172 if (cue_data != NULL)\r
173 cue_destroy(cue_data);\r
ea8c405f 174\r
f9f40f10 175 if (cd_f == NULL) return 0; // let the upper level handle this\r
ea8c405f 176\r
177 if (pm_read(buf, 32, cd_f) != 32) {\r
178 pm_close(cd_f);\r
f9f40f10 179 return -1;\r
ea8c405f 180 }\r
181\r
9037e45d 182 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
183 if (type && type != CT_ISO)\r
184 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
185 type = CT_ISO; // Sega CD (ISO)\r
186 }\r
187 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
188 if (type && type != CT_BIN)\r
189 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
190 type = CT_BIN; // Sega CD (BIN)\r
191 }\r
192\r
193 if (type == CT_UNKNOWN) {\r
ea8c405f 194 pm_close(cd_f);\r
195 return 0;\r
196 }\r
197\r
9037e45d 198 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
1ca2ea4f 199 pm_read(id_header, sizeof(id_header), cd_f);\r
58c86d00 200\r
ea8c405f 201 /* it seems we have a CD image here. Try to detect region now.. */\r
9037e45d 202 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
ea8c405f 203 pm_read(buf, 1, cd_f);\r
204 pm_close(cd_f);\r
205\r
206 if (buf[0] == 0x64) region = 8; // EU\r
207 if (buf[0] == 0xa1) region = 1; // JAP\r
208\r
209 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
9037e45d 210 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
ea8c405f 211\r
212 if (pregion != NULL) *pregion = region;\r
213\r
214 return type;\r
215}\r
216\r
7a87643e 217static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
58c86d00 218{\r
219 char *p = dest;\r
220 int i;\r
221\r
222 if (swab) swab = 1;\r
223\r
224 for (i = len - 1; i >= 0; i--)\r
225 {\r
226 if (src[i^swab] != ' ') break;\r
227 }\r
228 len = i + 1;\r
229\r
230 for (i = 0; i < len; i++)\r
231 {\r
232 unsigned char s = src[i^swab];\r
233 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
234 s != '[' && s != ']' && s != '\\')\r
235 {\r
236 *p++ = s;\r
237 }\r
238 else\r
239 {\r
240 sprintf(p, "\\%02x", s);\r
241 p += 3;\r
242 }\r
243 }\r
244\r
245 return p - dest;\r
246}\r
247\r
248char *emu_makeRomId(void)\r
249{\r
ca482e5d 250 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
bdec53c9 251 int pos, swab = 1;\r
58c86d00 252\r
602133e1 253 if (PicoAHW & PAHW_MCD) {\r
bdec53c9 254 strcpy(id_string, "CD|");\r
255 swab = 0;\r
256 }\r
1ca2ea4f 257 else strcpy(id_string, "MD|");\r
58c86d00 258 pos = 3;\r
259\r
bdec53c9 260 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
58c86d00 261 id_string[pos] = '|'; pos++;\r
bdec53c9 262 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
58c86d00 263 id_string[pos] = '|'; pos++;\r
bdec53c9 264 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
58c86d00 265 id_string[pos] = 0;\r
266\r
58c86d00 267 return id_string;\r
268}\r
269\r
ca482e5d 270// buffer must be at least 150 byte long\r
271void emu_getGameName(char *str150)\r
272{\r
273 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
274 char *s, *d;\r
275\r
276 ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r
277\r
278 for (s = d = str150 + 1; s < str150+ret; s++)\r
279 {\r
280 if (*s == 0) break;\r
281 if (*s != ' ' || d[-1] != ' ')\r
282 *d++ = *s;\r
283 }\r
284 *d = 0;\r
285}\r
286\r
287// note: this function might mangle rom_fname\r
288int emu_ReloadRom(char *rom_fname)\r
ea8c405f 289{\r
290 unsigned int rom_size = 0;\r
ca482e5d 291 char *used_rom_name = rom_fname;\r
eacee137 292 unsigned char *rom_data = NULL;\r
ea8c405f 293 char ext[5];\r
f9f40f10 294 pm_file *rom = NULL;\r
ea8c405f 295 int ret, cd_state, cd_region, cfg_loaded = 0;\r
296\r
ca482e5d 297 lprintf("emu_ReloadRom(%s)\n", rom_fname);\r
ea8c405f 298\r
ca482e5d 299 get_ext(rom_fname, ext);\r
ea8c405f 300\r
301 // detect wrong extensions\r
eacee137 302 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
f9f40f10 303 sprintf(menuErrorMsg, "Not a ROM/CD selected.");\r
ea8c405f 304 return 0;\r
305 }\r
306\r
307 PicoPatchUnload();\r
308\r
309 // check for movie file\r
eacee137 310 if (movie_data) {\r
ea8c405f 311 free(movie_data);\r
312 movie_data = 0;\r
313 }\r
2d2247c2 314 if (!strcmp(ext, ".gmv"))\r
315 {\r
ea8c405f 316 // check for both gmv and rom\r
317 int dummy;\r
ca482e5d 318 FILE *movie_file = fopen(rom_fname, "rb");\r
ea8c405f 319 if(!movie_file) {\r
320 sprintf(menuErrorMsg, "Failed to open movie.");\r
321 return 0;\r
322 }\r
323 fseek(movie_file, 0, SEEK_END);\r
324 movie_size = ftell(movie_file);\r
325 fseek(movie_file, 0, SEEK_SET);\r
326 if(movie_size < 64+3) {\r
327 sprintf(menuErrorMsg, "Invalid GMV file.");\r
328 fclose(movie_file);\r
329 return 0;\r
330 }\r
331 movie_data = malloc(movie_size);\r
332 if(movie_data == NULL) {\r
333 sprintf(menuErrorMsg, "low memory.");\r
334 fclose(movie_file);\r
335 return 0;\r
336 }\r
337 fread(movie_data, 1, movie_size, movie_file);\r
338 fclose(movie_file);\r
339 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
340 sprintf(menuErrorMsg, "Invalid GMV file.");\r
341 return 0;\r
342 }\r
ca482e5d 343 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 344 if (!dummy) {\r
345 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
346 return 0;\r
347 }\r
ca482e5d 348 get_ext(rom_fname, ext);\r
f8af9634 349 lprintf("gmv loaded for %s\n", rom_fname);\r
ea8c405f 350 }\r
ca482e5d 351 else if (!strcmp(ext, ".pat"))\r
352 {\r
ea8c405f 353 int dummy;\r
ca482e5d 354 PicoPatchLoad(rom_fname);\r
355 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 356 if (!dummy) {\r
357 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
358 return 0;\r
359 }\r
ca482e5d 360 get_ext(rom_fname, ext);\r
ea8c405f 361 }\r
362\r
ca482e5d 363 emu_shutdownMCD();\r
ea8c405f 364\r
365 // check for MegaCD image\r
ca482e5d 366 cd_state = emu_cdCheck(&cd_region, rom_fname);\r
f9f40f10 367 if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
ea8c405f 368 {\r
602133e1 369 PicoAHW |= PAHW_MCD;\r
ea8c405f 370 // valid CD image, check for BIOS..\r
371\r
372 // we need to have config loaded at this point\r
373 ret = emu_ReadConfig(1, 1);\r
374 if (!ret) emu_ReadConfig(0, 1);\r
375 cfg_loaded = 1;\r
376\r
377 if (PicoRegionOverride) {\r
378 cd_region = PicoRegionOverride;\r
379 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
380 }\r
381 if (!emu_findBios(cd_region, &used_rom_name)) {\r
382 // bios_help() ?\r
602133e1 383 PicoAHW &= ~PAHW_MCD;\r
ea8c405f 384 return 0;\r
385 }\r
386\r
ea8c405f 387 get_ext(used_rom_name, ext);\r
388 }\r
389 else\r
390 {\r
602133e1 391 if (PicoAHW & PAHW_MCD) Stop_CD();\r
392 PicoAHW &= ~PAHW_MCD;\r
ea8c405f 393 }\r
394\r
395 rom = pm_open(used_rom_name);\r
eacee137 396 if (!rom) {\r
f9f40f10 397 sprintf(menuErrorMsg, "Failed to open ROM/CD image");\r
398 goto fail;\r
399 }\r
400\r
401 if (cd_state < 0) {\r
402 sprintf(menuErrorMsg, "Invalid CD image");\r
403 goto fail;\r
ea8c405f 404 }\r
405\r
4b167c12 406 menu_romload_prepare(used_rom_name); // also CD load\r
ea8c405f 407\r
eacee137 408 PicoCartUnload();\r
409 rom_loaded = 0;\r
ea8c405f 410\r
eacee137 411 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
f8af9634 412 if (ret == 2) sprintf(menuErrorMsg, "Out of memory");\r
413 else if (ret == 3) sprintf(menuErrorMsg, "Read failed");\r
414 else sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
ea8c405f 415 lprintf("%s\n", menuErrorMsg);\r
f9f40f10 416 goto fail2;\r
ea8c405f 417 }\r
418 pm_close(rom);\r
f9f40f10 419 rom = NULL;\r
ea8c405f 420\r
421 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
eacee137 422 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
ea8c405f 423 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
424 if (rom_data) free(rom_data);\r
ea8c405f 425 sprintf(menuErrorMsg, "Not a ROM selected.");\r
f9f40f10 426 goto fail2;\r
ea8c405f 427 }\r
428\r
429 // load config for this ROM (do this before insert to get correct region)\r
602133e1 430 if (!(PicoAHW & PAHW_MCD))\r
1ca2ea4f 431 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
ea8c405f 432 if (!cfg_loaded) {\r
433 ret = emu_ReadConfig(1, 1);\r
434 if (!ret) emu_ReadConfig(0, 1);\r
435 }\r
436\r
437 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
eacee137 438 if (PicoCartInsert(rom_data, rom_size)) {\r
ea8c405f 439 sprintf(menuErrorMsg, "Failed to load ROM.");\r
f9f40f10 440 goto fail2;\r
ea8c405f 441 }\r
442\r
ea8c405f 443 // insert CD if it was detected\r
b923ecbe 444 if (cd_state != CIT_NOT_CD) {\r
ca482e5d 445 ret = Insert_CD(rom_fname, cd_state);\r
ea8c405f 446 if (ret != 0) {\r
447 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
448 lprintf("%s\n", menuErrorMsg);\r
f9f40f10 449 goto fail2;\r
ea8c405f 450 }\r
451 }\r
452\r
4b167c12 453 menu_romload_end();\r
454\r
ea8c405f 455 if (PicoPatches) {\r
456 PicoPatchPrepare();\r
457 PicoPatchApply();\r
458 }\r
459\r
460 // additional movie stuff\r
f9f40f10 461 if (movie_data)\r
462 {\r
463 if (movie_data[0x14] == '6')\r
602133e1 464 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
465 else PicoOpt &= ~POPT_6BTN_PAD;\r
2aa27095 466 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 467 if (movie_data[0xF] >= 'A') {\r
468 if (movie_data[0x16] & 0x80) {\r
ea8c405f 469 PicoRegionOverride = 8;\r
470 } else {\r
471 PicoRegionOverride = 4;\r
472 }\r
1cb1584b 473 PicoReset();\r
ea8c405f 474 // TODO: bits 6 & 5\r
475 }\r
476 movie_data[0x18+30] = 0;\r
477 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
478 }\r
479 else\r
480 {\r
602133e1 481 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
f9f40f10 482 if (Pico.m.pal) {\r
ea8c405f 483 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
484 } else {\r
485 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
486 }\r
487 }\r
488 emu_noticeMsgUpdated();\r
489\r
490 // load SRAM for this ROM\r
ca482e5d 491 if (currentConfig.EmuOpt & EOPT_USE_SRAM)\r
ea8c405f 492 emu_SaveLoadGame(1, 1);\r
493\r
713c9224 494 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
495 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
eacee137 496 rom_loaded = 1;\r
ea8c405f 497 return 1;\r
f9f40f10 498\r
499fail2:\r
500 menu_romload_end();\r
501fail:\r
502 if (rom != NULL) pm_close(rom);\r
503 return 0;\r
ea8c405f 504}\r
505\r
506\r
ca482e5d 507void emu_shutdownMCD(void)\r
508{\r
509 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
510 Stop_CD();\r
511 PicoAHW &= ~PAHW_MCD;\r
512}\r
513\r
ea8c405f 514static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
515{\r
516 char *p;\r
517 int prefix_len = 0;\r
518\r
519 // make save filename\r
713c9224 520 p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;\r
521 for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r
ea8c405f 522 *dst = 0;\r
523 if (prefix) {\r
ca482e5d 524 int len = emu_getMainDir(dst, 512);\r
525 strcpy(dst + len, prefix);\r
526 prefix_len = len + strlen(prefix);\r
ea8c405f 527 }\r
ca482e5d 528#ifdef UIQ3\r
713c9224 529 else p = rom_fname_loaded; // backward compatibility\r
ca482e5d 530#endif\r
ea8c405f 531 strncpy(dst + prefix_len, p, 511-prefix_len);\r
532 dst[511-8] = 0;\r
533 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
534 if (ext) strcat(dst, ext);\r
535}\r
536\r
537\r
08fe8094 538static void make_config_cfg(char *cfg)\r
539{\r
ca482e5d 540 int len;\r
541 len = emu_getMainDir(cfg, 512);\r
542 strncpy(cfg + len, PicoConfigFile, 512-6-1-len);\r
08fe8094 543 if (config_slot != 0)\r
544 {\r
545 char *p = strrchr(cfg, '.');\r
546 if (p == NULL) p = cfg + strlen(cfg);\r
547 sprintf(p, ".%i.cfg", config_slot);\r
548 }\r
549 cfg[511] = 0;\r
550}\r
551\r
ca482e5d 552void emu_packConfig(void)\r
553{\r
554 currentConfig.s_PicoOpt = PicoOpt;\r
555 currentConfig.s_PsndRate = PsndRate;\r
556 currentConfig.s_PicoRegion = PicoRegionOverride;\r
557 currentConfig.s_PicoAutoRgnOrder = PicoAutoRgnOrder;\r
558 currentConfig.s_PicoCDBuffers = PicoCDBuffers;\r
559}\r
560\r
561void emu_unpackConfig(void)\r
562{\r
563 PicoOpt = currentConfig.s_PicoOpt;\r
564 PsndRate = currentConfig.s_PsndRate;\r
565 PicoRegionOverride = currentConfig.s_PicoRegion;\r
566 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
567 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
568}\r
569\r
570static void emu_setDefaultConfig(void)\r
571{\r
572 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
573 emu_unpackConfig();\r
574}\r
575\r
576\r
ea8c405f 577int emu_ReadConfig(int game, int no_defaults)\r
578{\r
58c86d00 579 char cfg[512];\r
58c86d00 580 int ret;\r
ea8c405f 581\r
582 if (!game)\r
583 {\r
584 if (!no_defaults)\r
ea8c405f 585 emu_setDefaultConfig();\r
08fe8094 586 make_config_cfg(cfg);\r
58c86d00 587 ret = config_readsect(cfg, NULL);\r
ea8c405f 588 }\r
58c86d00 589 else\r
590 {\r
1ca2ea4f 591 char *sect = emu_makeRomId();\r
ea8c405f 592\r
58c86d00 593 // try new .cfg way\r
594 if (config_slot != 0)\r
595 sprintf(cfg, "game.%i.cfg", config_slot);\r
596 else strcpy(cfg, "game.cfg");\r
1ca2ea4f 597\r
598 ret = -1;\r
08fe8094 599 if (config_havesect(cfg, sect))\r
600 {\r
601 // read user's config\r
7b802576 602 int vol = currentConfig.volume;\r
1ca2ea4f 603 emu_setDefaultConfig();\r
604 ret = config_readsect(cfg, sect);\r
7b802576 605 currentConfig.volume = vol; // make vol global (bah)\r
1ca2ea4f 606 }\r
a39b7867 607 else\r
08fe8094 608 {\r
609 // read global config, and apply game_def.cfg on top\r
610 make_config_cfg(cfg);\r
611 config_readsect(cfg, NULL);\r
612 ret = config_readsect("game_def.cfg", sect);\r
613 }\r
58c86d00 614\r
ca482e5d 615 if (ret == 0)\r
58c86d00 616 {\r
1ca2ea4f 617 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
58c86d00 618 }\r
ea8c405f 619 }\r
58c86d00 620\r
ea8c405f 621 // some sanity checks\r
622 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
2445b7cb 623#ifdef PSP\r
624 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
6fc57144 625 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
2445b7cb 626#else\r
ea8c405f 627 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
2445b7cb 628#endif\r
ea8c405f 629 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
9839d126 630#ifdef __GP2X__\r
ea8c405f 631 // if volume keys are unbound, bind them to volume control\r
632 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
633 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
634 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
635 }\r
9839d126 636#endif\r
58c86d00 637 if (ret == 0) config_slot_current = config_slot;\r
638 return (ret == 0);\r
ea8c405f 639}\r
640\r
641\r
58c86d00 642int emu_WriteConfig(int is_game)\r
ea8c405f 643{\r
58c86d00 644 char cfg[512], *game_sect = NULL;\r
645 int ret, write_lrom = 0;\r
ea8c405f 646\r
58c86d00 647 if (!is_game)\r
ea8c405f 648 {\r
ca482e5d 649 make_config_cfg(cfg);\r
58c86d00 650 write_lrom = 1;\r
ea8c405f 651 } else {\r
652 if (config_slot != 0)\r
58c86d00 653 sprintf(cfg, "game.%i.cfg", config_slot);\r
654 else strcpy(cfg, "game.cfg");\r
655 game_sect = emu_makeRomId();\r
1ca2ea4f 656 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
ea8c405f 657 }\r
658\r
659 lprintf("emu_WriteConfig: %s ", cfg);\r
58c86d00 660 ret = config_writesect(cfg, game_sect);\r
1ca2ea4f 661 if (write_lrom) config_writelrom(cfg);\r
ea8c405f 662#ifndef NO_SYNC\r
58c86d00 663 sync();\r
ea8c405f 664#endif\r
58c86d00 665 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 666\r
58c86d00 667 if (ret == 0) config_slot_current = config_slot;\r
668 return ret == 0;\r
ea8c405f 669}\r
670\r
671\r
d7dd4d66 672void emu_writelrom(void)\r
673{\r
674 char cfg[512];\r
675 make_config_cfg(cfg);\r
676 config_writelrom(cfg);\r
677#ifndef NO_SYNC\r
678 sync();\r
679#endif\r
680}\r
681\r
ca482e5d 682#ifndef UIQ3\r
ea8c405f 683void emu_textOut8(int x, int y, const char *text)\r
684{\r
685 int i,l,len=strlen(text);\r
686 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
687\r
688 /* always using built-in font */\r
689 for (i = 0; i < len; i++)\r
690 {\r
691 for (l=0;l<8;l++)\r
692 {\r
693 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
694 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;\r
695 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;\r
696 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;\r
697 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;\r
698 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;\r
699 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;\r
700 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;\r
701 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;\r
702 }\r
703 screen += 8;\r
704 }\r
705}\r
706\r
707void emu_textOut16(int x, int y, const char *text)\r
708{\r
709 int i,l,len=strlen(text);\r
710 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
711\r
712 for (i = 0; i < len; i++)\r
713 {\r
714 for (l=0;l<8;l++)\r
715 {\r
716 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
717 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;\r
718 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;\r
719 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;\r
720 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;\r
721 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;\r
722 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;\r
723 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;\r
724 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;\r
725 }\r
726 screen += 8;\r
727 }\r
728}\r
ca482e5d 729#endif\r
ea8c405f 730\r
6fc57144 731#ifdef PSP\r
732#define MAX_COMBO_KEY 23\r
733#else\r
734#define MAX_COMBO_KEY 31\r
735#endif\r
736\r
bdec53c9 737void emu_findKeyBindCombos(void)\r
738{\r
739 int act, u;\r
740\r
741 // find out which keys and actions are combos\r
742 kb_combo_keys = kb_combo_acts = 0;\r
743 for (act = 0; act < 32; act++)\r
744 {\r
745 int keyc = 0, keyc2 = 0;\r
746 if (act == 16 || act == 17) continue; // player2 flag\r
747 if (act > 17)\r
748 {\r
6fc57144 749 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
bdec53c9 750 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
751 }\r
752 else\r
753 {\r
6fc57144 754 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
bdec53c9 755 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1\r
756 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;\r
6fc57144 757 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
bdec53c9 758 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2\r
759 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;\r
760 if (keyc2 > keyc) keyc = keyc2;\r
761 }\r
762 if (keyc > 1)\r
763 {\r
764 // loop again and mark those keys and actions as combo\r
6fc57144 765 for (u = 0; u <= MAX_COMBO_KEY; u++)\r
bdec53c9 766 {\r
767 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
768 kb_combo_keys |= 1 << u;\r
769 kb_combo_acts |= 1 << act;\r
770 }\r
771 }\r
772 }\r
773 }\r
774\r
775 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);\r
776}\r
777\r
ea8c405f 778\r
779void emu_updateMovie(void)\r
780{\r
781 int offs = Pico.m.frame_count*3 + 0x40;\r
782 if (offs+3 > movie_size) {\r
783 free(movie_data);\r
784 movie_data = 0;\r
785 strcpy(noticeMsg, "END OF MOVIE.");\r
786 lprintf("END OF MOVIE.\n");\r
787 emu_noticeMsgUpdated();\r
788 } else {\r
789 // MXYZ SACB RLDU\r
790 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
f8af9634 791 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
792 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
793 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
ea8c405f 794 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
f8af9634 795 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
796 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
797 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
ea8c405f 798 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
799 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
800 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
801 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
802 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
803 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
804 }\r
805}\r
806\r
807\r
808static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
809{\r
810 return gzread(file, p, _n);\r
811}\r
812\r
813\r
814static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
815{\r
816 return gzwrite(file, p, _n);\r
817}\r
818\r
819static int try_ropen_file(const char *fname)\r
820{\r
821 FILE *f;\r
822\r
823 f = fopen(fname, "rb");\r
824 if (f) {\r
825 fclose(f);\r
826 return 1;\r
827 }\r
828 return 0;\r
829}\r
830\r
831char *emu_GetSaveFName(int load, int is_sram, int slot)\r
832{\r
833 static char saveFname[512];\r
834 char ext[16];\r
835\r
836 if (is_sram)\r
837 {\r
ca482e5d 838 romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");\r
ea8c405f 839 if (load) {\r
840 if (try_ropen_file(saveFname)) return saveFname;\r
841 // try in current dir..\r
602133e1 842 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
ea8c405f 843 if (try_ropen_file(saveFname)) return saveFname;\r
844 return NULL; // give up\r
845 }\r
846 }\r
847 else\r
848 {\r
849 ext[0] = 0;\r
850 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
ca482e5d 851 strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");\r
ea8c405f 852\r
ca482e5d 853 romfname_ext(saveFname, "mds" PATH_SEP, ext);\r
ea8c405f 854 if (load) {\r
855 if (try_ropen_file(saveFname)) return saveFname;\r
856 romfname_ext(saveFname, NULL, ext);\r
857 if (try_ropen_file(saveFname)) return saveFname;\r
ca482e5d 858 // no gzipped states, search for non-gzipped\r
859 if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)\r
860 {\r
ea8c405f 861 ext[0] = 0;\r
862 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
863 strcat(ext, ".mds");\r
864\r
ca482e5d 865 romfname_ext(saveFname, "mds"PATH_SEP, ext);\r
ea8c405f 866 if (try_ropen_file(saveFname)) return saveFname;\r
867 romfname_ext(saveFname, NULL, ext);\r
868 if (try_ropen_file(saveFname)) return saveFname;\r
869 }\r
870 return NULL;\r
871 }\r
872 }\r
873\r
874 return saveFname;\r
875}\r
876\r
877int emu_checkSaveFile(int slot)\r
878{\r
879 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
880}\r
881\r
882void emu_setSaveStateCbs(int gz)\r
883{\r
884 if (gz) {\r
885 areaRead = gzRead2;\r
886 areaWrite = gzWrite2;\r
887 areaEof = (areaeof *) gzeof;\r
888 areaSeek = (areaseek *) gzseek;\r
889 areaClose = (areaclose *) gzclose;\r
890 } else {\r
891 areaRead = (arearw *) fread;\r
892 areaWrite = (arearw *) fwrite;\r
893 areaEof = (areaeof *) feof;\r
894 areaSeek = (areaseek *) fseek;\r
895 areaClose = (areaclose *) fclose;\r
896 }\r
897}\r
898\r
899int emu_SaveLoadGame(int load, int sram)\r
900{\r
901 int ret = 0;\r
902 char *saveFname;\r
903\r
904 // make save filename\r
905 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
906 if (saveFname == NULL) {\r
907 if (!sram) {\r
908 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
909 emu_noticeMsgUpdated();\r
910 }\r
911 return -1;\r
912 }\r
913\r
914 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
915\r
da42200b 916 if (sram)\r
917 {\r
ea8c405f 918 FILE *sramFile;\r
919 int sram_size;\r
920 unsigned char *sram_data;\r
921 int truncate = 1;\r
602133e1 922 if (PicoAHW & PAHW_MCD)\r
923 {\r
924 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
ea8c405f 925 sram_size = 0x12000;\r
926 sram_data = SRam.data;\r
927 if (sram_data)\r
928 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
929 } else {\r
930 sram_size = 0x2000;\r
931 sram_data = Pico_mcd->bram;\r
932 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
933 }\r
934 } else {\r
935 sram_size = SRam.end-SRam.start+1;\r
936 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
937 sram_data = SRam.data;\r
938 }\r
939 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
940\r
602133e1 941 if (load)\r
942 {\r
ea8c405f 943 sramFile = fopen(saveFname, "rb");\r
944 if(!sramFile) return -1;\r
945 fread(sram_data, 1, sram_size, sramFile);\r
946 fclose(sramFile);\r
602133e1 947 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
ea8c405f 948 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
949 } else {\r
950 // sram save needs some special processing\r
951 // see if we have anything to save\r
952 for (; sram_size > 0; sram_size--)\r
953 if (sram_data[sram_size-1]) break;\r
954\r
955 if (sram_size) {\r
956 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
957 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
958 if (!sramFile) return -1;\r
959 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
960 ret = (ret != sram_size) ? -1 : 0;\r
961 fclose(sramFile);\r
962#ifndef NO_SYNC\r
963 sync();\r
964#endif\r
965 }\r
966 }\r
967 return ret;\r
968 }\r
969 else\r
970 {\r
971 void *PmovFile = NULL;\r
da42200b 972 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
973 {\r
ea8c405f 974 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
975 emu_setSaveStateCbs(1);\r
da42200b 976 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
ea8c405f 977 }\r
978 }\r
979 else\r
980 {\r
981 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
982 emu_setSaveStateCbs(0);\r
983 }\r
984 }\r
985 if(PmovFile) {\r
986 ret = PmovState(load ? 6 : 5, PmovFile);\r
987 areaClose(PmovFile);\r
988 PmovFile = 0;\r
989 if (load) Pico.m.dirtyPal=1;\r
990#ifndef NO_SYNC\r
991 else sync();\r
992#endif\r
993 }\r
994 else ret = -1;\r
995 if (!ret)\r
2b1f0e25 996 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
ea8c405f 997 else\r
998 {\r
2b1f0e25 999 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
ea8c405f 1000 ret = -1;\r
1001 }\r
1002\r
1003 emu_noticeMsgUpdated();\r
1004 return ret;\r
1005 }\r
1006}\r
bdec53c9 1007\r
c060a9ab 1008void emu_changeFastForward(int set_on)\r
1009{\r
1010 static void *set_PsndOut = NULL;\r
1011 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
1012\r
1013 if (set_on && !is_on) {\r
1014 set_PsndOut = PsndOut;\r
1015 set_Frameskip = currentConfig.Frameskip;\r
1016 set_EmuOpt = currentConfig.EmuOpt;\r
1017 PsndOut = NULL;\r
1018 currentConfig.Frameskip = 8;\r
1019 currentConfig.EmuOpt &= ~4;\r
1020 currentConfig.EmuOpt |= 0x40000;\r
1021 is_on = 1;\r
1022 strcpy(noticeMsg, "FAST FORWARD ");\r
1023 emu_noticeMsgUpdated();\r
1024 }\r
1025 else if (!set_on && is_on) {\r
1026 PsndOut = set_PsndOut;\r
1027 currentConfig.Frameskip = set_Frameskip;\r
1028 currentConfig.EmuOpt = set_EmuOpt;\r
1029 PsndRerate(1);\r
1030 is_on = 0;\r
1031 }\r
1032}\r
1033\r
1034void emu_RunEventsPico(unsigned int events)\r
1035{\r
1036 if (events & (1 << 3)) {\r
1037 pico_inp_mode++;\r
1038 if (pico_inp_mode > 2) pico_inp_mode = 0;\r
1039 switch (pico_inp_mode) {\r
1040 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;\r
1041 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;\r
1042 case 0: strcpy(noticeMsg, "Input: Joytick ");\r
1043 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
1044 break;\r
1045 }\r
1046 emu_noticeMsgUpdated();\r
1047 }\r
1048 if (events & (1 << 4)) {\r
1049 PicoPicohw.page--;\r
1050 if (PicoPicohw.page < 0) PicoPicohw.page = 0;\r
1051 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
1052 emu_noticeMsgUpdated();\r
1053 }\r
1054 if (events & (1 << 5)) {\r
1055 PicoPicohw.page++;\r
1056 if (PicoPicohw.page > 6) PicoPicohw.page = 6;\r
1057 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
1058 emu_noticeMsgUpdated();\r
1059 }\r
1060}\r
1061\r
f0f0d2df 1062void emu_DoTurbo(int *pad, int acts)\r
1063{\r
1064 static int turbo_pad = 0;\r
1065 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1066 int inc = currentConfig.turbo_rate * 2;\r
1067\r
1068 if (acts & 0x1000) {\r
1069 turbo_cnt[0] += inc;\r
1070 if (turbo_cnt[0] >= 60)\r
1071 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1072 }\r
1073 if (acts & 0x2000) {\r
1074 turbo_cnt[1] += inc;\r
1075 if (turbo_cnt[1] >= 60)\r
1076 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1077 }\r
1078 if (acts & 0x4000) {\r
1079 turbo_cnt[2] += inc;\r
1080 if (turbo_cnt[2] >= 60)\r
1081 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1082 }\r
1083 *pad |= turbo_pad & (acts >> 8);\r
1084}\r
c060a9ab 1085\r
fast MegaDrive/MegaCD/32X emulator