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bugfixes, refactoring
[libpicofe.git] / common / emu.c
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f013066e 1// (c) Copyright 2006-2007 notaz, All rights reserved.\r
2// Free for non-commercial use.\r
3\r
4// For commercial use, separate licencing terms must be obtained.\r
5\r
6#include <stdio.h>\r
7#include <stdlib.h>\r
8#include <ctype.h> // tolower\r
9#ifndef NO_SYNC\r
10#include <unistd.h>\r
11#endif\r
12\r
13#include "emu.h"\r
14#include "menu.h"\r
15#include "fonts.h"\r
16#include "lprintf.h"\r
0ae25549 17#include "config.h"\r
f013066e 18\r
19#include <Pico/PicoInt.h>\r
20#include <Pico/Patch.h>\r
21#include <zlib/zlib.h>\r
22\r
23#if defined(__GP2X__)\r
24 #include "../gp2x/gp2x.h"\r
25 #define SCREEN_WIDTH 320\r
26 #define SCREEN_BUFFER gp2x_screen\r
27#elif defined(__GIZ__)\r
28 #include "../gizmondo/giz.h"\r
29 #define SCREEN_WIDTH 321\r
2951214e 30 #define SCREEN_BUFFER giz_screen\r
31#elif defined(PSP)\r
32 #include "../psp/psp.h"\r
33 #define SCREEN_WIDTH 512\r
34 #define SCREEN_BUFFER psp_screen\r
f013066e 35#endif\r
36\r
3e85ebdd 37char *PicoConfigFile = "config.cfg";\r
0ae25549 38currentConfig_t currentConfig, defaultConfig;\r
144a28a0 39int rom_loaded = 0;\r
f013066e 40char noticeMsg[64];\r
41int state_slot = 0;\r
42int config_slot = 0, config_slot_current = 0;\r
367b6f1f 43char lastRomFile[512];\r
8e708f92 44int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos\r
f013066e 45\r
46unsigned char *movie_data = NULL;\r
47static int movie_size = 0;\r
48\r
49// provided by platform code:\r
50extern char romFileName[];\r
51extern void emu_noticeMsgUpdated(void);\r
52extern void emu_getMainDir(char *dst, int len);\r
53extern void emu_setDefaultConfig(void);\r
54extern void menu_romload_prepare(const char *rom_name);\r
55extern void menu_romload_end(void);\r
56\r
57\r
58// utilities\r
59static void strlwr_(char* string)\r
60{\r
61 while ( (*string++ = (char)tolower(*string)) );\r
62}\r
63\r
64static int try_rfn_cut(void)\r
65{\r
66 FILE *tmp;\r
67 char *p;\r
68\r
69 p = romFileName + strlen(romFileName) - 1;\r
70 for (; p > romFileName; p--)\r
71 if (*p == '.') break;\r
72 *p = 0;\r
73\r
74 if((tmp = fopen(romFileName, "rb"))) {\r
75 fclose(tmp);\r
76 return 1;\r
77 }\r
78 return 0;\r
79}\r
80\r
81static void get_ext(char *file, char *ext)\r
82{\r
83 char *p;\r
84\r
85 p = file + strlen(file) - 4;\r
86 if (p < file) p = file;\r
87 strncpy(ext, p, 4);\r
88 ext[4] = 0;\r
89 strlwr_(ext);\r
90}\r
91\r
92char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r
93char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };\r
94char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
95\r
96int emu_findBios(int region, char **bios_file)\r
97{\r
98 static char bios_path[1024];\r
99 int i, count;\r
100 char **files;\r
101 FILE *f = NULL;\r
102\r
103 if (region == 4) { // US\r
104 files = biosfiles_us;\r
105 count = sizeof(biosfiles_us) / sizeof(char *);\r
106 } else if (region == 8) { // EU\r
107 files = biosfiles_eu;\r
108 count = sizeof(biosfiles_eu) / sizeof(char *);\r
109 } else if (region == 1 || region == 2) {\r
110 files = biosfiles_jp;\r
111 count = sizeof(biosfiles_jp) / sizeof(char *);\r
112 } else {\r
113 return 0;\r
114 }\r
115\r
116 for (i = 0; i < count; i++)\r
117 {\r
118 emu_getMainDir(bios_path, sizeof(bios_path));\r
119 strcat(bios_path, files[i]);\r
120 strcat(bios_path, ".bin");\r
121 f = fopen(bios_path, "rb");\r
122 if (f) break;\r
123\r
124 bios_path[strlen(bios_path) - 4] = 0;\r
125 strcat(bios_path, ".zip");\r
126 f = fopen(bios_path, "rb");\r
127 if (f) break;\r
128 }\r
129\r
130 if (f) {\r
131 lprintf("using bios: %s\n", bios_path);\r
132 fclose(f);\r
133 if (bios_file) *bios_file = bios_path;\r
134 return 1;\r
135 } else {\r
136 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
137 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
138 lprintf("%s\n", menuErrorMsg);\r
139 return 0;\r
140 }\r
141}\r
142\r
c6334564 143/* check if the name begins with BIOS name */\r
367b6f1f 144/*\r
c6334564 145static int emu_isBios(const char *name)\r
146{\r
147 int i;\r
148 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
149 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
150 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
151 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
152 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
153 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
154 return 0;\r
155}\r
367b6f1f 156*/\r
c6334564 157\r
367b6f1f 158static unsigned char id_header[0x100];\r
0ae25549 159\r
f013066e 160/* checks if romFileName points to valid MegaCD image\r
161 * if so, checks for suitable BIOS */\r
162int emu_cdCheck(int *pregion)\r
163{\r
164 unsigned char buf[32];\r
165 pm_file *cd_f;\r
166 int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
167\r
168 cd_f = pm_open(romFileName);\r
169 if (!cd_f) return 0; // let the upper level handle this\r
170\r
171 if (pm_read(buf, 32, cd_f) != 32) {\r
172 pm_close(cd_f);\r
173 return 0;\r
174 }\r
175\r
176 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r
177 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r
178 if (type == 0) {\r
179 pm_close(cd_f);\r
180 return 0;\r
181 }\r
182\r
0ae25549 183 pm_seek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET);\r
367b6f1f 184 pm_read(id_header, sizeof(id_header), cd_f);\r
0ae25549 185\r
f013066e 186 /* it seems we have a CD image here. Try to detect region now.. */\r
187 pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
188 pm_read(buf, 1, cd_f);\r
189 pm_close(cd_f);\r
190\r
191 if (buf[0] == 0x64) region = 8; // EU\r
192 if (buf[0] == 0xa1) region = 1; // JAP\r
193\r
194 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
195 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
196\r
197 if (pregion != NULL) *pregion = region;\r
198\r
199 return type;\r
200}\r
201\r
0ae25549 202static int extract_text(char *dest, unsigned char *src, int len, int swab)\r
203{\r
204 char *p = dest;\r
205 int i;\r
206\r
207 if (swab) swab = 1;\r
208\r
209 for (i = len - 1; i >= 0; i--)\r
210 {\r
211 if (src[i^swab] != ' ') break;\r
212 }\r
213 len = i + 1;\r
214\r
215 for (i = 0; i < len; i++)\r
216 {\r
217 unsigned char s = src[i^swab];\r
218 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
219 s != '[' && s != ']' && s != '\\')\r
220 {\r
221 *p++ = s;\r
222 }\r
223 else\r
224 {\r
225 sprintf(p, "\\%02x", s);\r
226 p += 3;\r
227 }\r
228 }\r
229\r
230 return p - dest;\r
231}\r
232\r
233char *emu_makeRomId(void)\r
234{\r
235 static char id_string[3+0x11+0x11+0x30+16];\r
8e708f92 236 int pos, swab = 1;\r
0ae25549 237\r
8e708f92 238 if (PicoMCD & 1) {\r
239 strcpy(id_string, "CD|");\r
240 swab = 0;\r
241 }\r
367b6f1f 242 else strcpy(id_string, "MD|");\r
0ae25549 243 pos = 3;\r
244\r
8e708f92 245 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
0ae25549 246 id_string[pos] = '|'; pos++;\r
8e708f92 247 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
0ae25549 248 id_string[pos] = '|'; pos++;\r
8e708f92 249 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
0ae25549 250 id_string[pos] = 0;\r
251\r
0ae25549 252 return id_string;\r
253}\r
254\r
f013066e 255int emu_ReloadRom(void)\r
256{\r
257 unsigned int rom_size = 0;\r
258 char *used_rom_name = romFileName;\r
144a28a0 259 unsigned char *rom_data = NULL;\r
f013066e 260 char ext[5];\r
261 pm_file *rom;\r
262 int ret, cd_state, cd_region, cfg_loaded = 0;\r
263\r
264 lprintf("emu_ReloadRom(%s)\n", romFileName);\r
265\r
266 get_ext(romFileName, ext);\r
267\r
268 // detect wrong extensions\r
144a28a0 269 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
f013066e 270 sprintf(menuErrorMsg, "Not a ROM selected.");\r
271 return 0;\r
272 }\r
273\r
274 PicoPatchUnload();\r
275\r
276 // check for movie file\r
144a28a0 277 if (movie_data) {\r
f013066e 278 free(movie_data);\r
279 movie_data = 0;\r
280 }\r
144a28a0 281 if (!strcmp(ext, ".gmv")) {\r
f013066e 282 // check for both gmv and rom\r
283 int dummy;\r
284 FILE *movie_file = fopen(romFileName, "rb");\r
285 if(!movie_file) {\r
286 sprintf(menuErrorMsg, "Failed to open movie.");\r
287 return 0;\r
288 }\r
289 fseek(movie_file, 0, SEEK_END);\r
290 movie_size = ftell(movie_file);\r
291 fseek(movie_file, 0, SEEK_SET);\r
292 if(movie_size < 64+3) {\r
293 sprintf(menuErrorMsg, "Invalid GMV file.");\r
294 fclose(movie_file);\r
295 return 0;\r
296 }\r
297 movie_data = malloc(movie_size);\r
298 if(movie_data == NULL) {\r
299 sprintf(menuErrorMsg, "low memory.");\r
300 fclose(movie_file);\r
301 return 0;\r
302 }\r
303 fread(movie_data, 1, movie_size, movie_file);\r
304 fclose(movie_file);\r
305 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
306 sprintf(menuErrorMsg, "Invalid GMV file.");\r
307 return 0;\r
308 }\r
309 dummy = try_rfn_cut() || try_rfn_cut();\r
310 if (!dummy) {\r
311 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
312 return 0;\r
313 }\r
314 get_ext(romFileName, ext);\r
315 }\r
316 else if (!strcmp(ext, ".pat")) {\r
317 int dummy;\r
318 PicoPatchLoad(romFileName);\r
319 dummy = try_rfn_cut() || try_rfn_cut();\r
320 if (!dummy) {\r
321 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
322 return 0;\r
323 }\r
324 get_ext(romFileName, ext);\r
325 }\r
326\r
327 if ((PicoMCD & 1) && Pico_mcd != NULL)\r
328 Stop_CD();\r
329\r
330 // check for MegaCD image\r
331 cd_state = emu_cdCheck(&cd_region);\r
332 if (cd_state > 0)\r
333 {\r
8e708f92 334 PicoMCD |= 1;\r
f013066e 335 // valid CD image, check for BIOS..\r
336\r
337 // we need to have config loaded at this point\r
338 ret = emu_ReadConfig(1, 1);\r
339 if (!ret) emu_ReadConfig(0, 1);\r
340 cfg_loaded = 1;\r
341\r
342 if (PicoRegionOverride) {\r
343 cd_region = PicoRegionOverride;\r
344 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
345 }\r
346 if (!emu_findBios(cd_region, &used_rom_name)) {\r
347 // bios_help() ?\r
8e708f92 348 PicoMCD &= ~1;\r
f013066e 349 return 0;\r
350 }\r
351\r
f013066e 352 get_ext(used_rom_name, ext);\r
353 }\r
354 else\r
355 {\r
356 if (PicoMCD & 1) Stop_CD();\r
357 PicoMCD &= ~1;\r
358 }\r
359\r
360 rom = pm_open(used_rom_name);\r
144a28a0 361 if (!rom) {\r
f013066e 362 sprintf(menuErrorMsg, "Failed to open rom.");\r
363 return 0;\r
364 }\r
365\r
a6df06b7 366 menu_romload_prepare(used_rom_name); // also CD load\r
f013066e 367\r
144a28a0 368 PicoCartUnload();\r
369 rom_loaded = 0;\r
f013066e 370\r
144a28a0 371 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
f013066e 372 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
373 lprintf("%s\n", menuErrorMsg);\r
374 pm_close(rom);\r
375 menu_romload_end();\r
376 return 0;\r
377 }\r
378 pm_close(rom);\r
f013066e 379\r
380 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
144a28a0 381 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
f013066e 382 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
383 if (rom_data) free(rom_data);\r
f013066e 384 sprintf(menuErrorMsg, "Not a ROM selected.");\r
a6df06b7 385 menu_romload_end();\r
f013066e 386 return 0;\r
387 }\r
388\r
389 // load config for this ROM (do this before insert to get correct region)\r
367b6f1f 390 if (!(PicoMCD&1))\r
391 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
f013066e 392 if (!cfg_loaded) {\r
393 ret = emu_ReadConfig(1, 1);\r
394 if (!ret) emu_ReadConfig(0, 1);\r
395 }\r
396\r
397 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
144a28a0 398 if (PicoCartInsert(rom_data, rom_size)) {\r
f013066e 399 sprintf(menuErrorMsg, "Failed to load ROM.");\r
a6df06b7 400 menu_romload_end();\r
f013066e 401 return 0;\r
402 }\r
403\r
404 Pico.m.frame_count = 0;\r
405\r
406 // insert CD if it was detected\r
407 if (cd_state > 0) {\r
408 ret = Insert_CD(romFileName, cd_state == 2);\r
409 if (ret != 0) {\r
410 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
411 lprintf("%s\n", menuErrorMsg);\r
a6df06b7 412 menu_romload_end();\r
f013066e 413 return 0;\r
414 }\r
415 }\r
416\r
a6df06b7 417 menu_romload_end();\r
418\r
f013066e 419 if (PicoPatches) {\r
420 PicoPatchPrepare();\r
421 PicoPatchApply();\r
422 }\r
423\r
424 // additional movie stuff\r
425 if (movie_data) {\r
426 if(movie_data[0x14] == '6')\r
427 PicoOpt |= 0x20; // 6 button pad\r
428 else PicoOpt &= ~0x20;\r
429 PicoOpt |= 0x10040; // accurate timing, no VDP fifo timing\r
430 if(movie_data[0xF] >= 'A') {\r
431 if(movie_data[0x16] & 0x80) {\r
432 PicoRegionOverride = 8;\r
433 } else {\r
434 PicoRegionOverride = 4;\r
435 }\r
436 PicoReset(0);\r
437 // TODO: bits 6 & 5\r
438 }\r
439 movie_data[0x18+30] = 0;\r
440 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
441 }\r
442 else\r
443 {\r
444 PicoOpt &= ~0x10000;\r
445 if(Pico.m.pal) {\r
446 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
447 } else {\r
448 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
449 }\r
450 }\r
451 emu_noticeMsgUpdated();\r
452\r
453 // load SRAM for this ROM\r
144a28a0 454 if (currentConfig.EmuOpt & 1)\r
f013066e 455 emu_SaveLoadGame(1, 1);\r
456\r
367b6f1f 457 strncpy(lastRomFile, romFileName, sizeof(lastRomFile)-1);\r
458 lastRomFile[sizeof(lastRomFile)-1] = 0;\r
144a28a0 459 rom_loaded = 1;\r
f013066e 460 return 1;\r
461}\r
462\r
463\r
464static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
465{\r
466 char *p;\r
467 int prefix_len = 0;\r
468\r
469 // make save filename\r
470 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
471 *dst = 0;\r
472 if (prefix) {\r
473 strcpy(dst, prefix);\r
474 prefix_len = strlen(prefix);\r
475 }\r
476 strncpy(dst + prefix_len, p, 511-prefix_len);\r
477 dst[511-8] = 0;\r
478 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
479 if (ext) strcat(dst, ext);\r
480}\r
481\r
482\r
483int emu_ReadConfig(int game, int no_defaults)\r
484{\r
0ae25549 485 char cfg[512];\r
f013066e 486 FILE *f;\r
0ae25549 487 int ret;\r
f013066e 488\r
489 if (!game)\r
490 {\r
491 if (!no_defaults)\r
f013066e 492 emu_setDefaultConfig();\r
f013066e 493 strncpy(cfg, PicoConfigFile, 511);\r
494 if (config_slot != 0)\r
495 {\r
496 char *p = strrchr(cfg, '.');\r
497 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 498 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 499 }\r
500 cfg[511] = 0;\r
0ae25549 501 ret = config_readsect(cfg, NULL);\r
f013066e 502 }\r
0ae25549 503 else\r
504 {\r
367b6f1f 505 char *sect = emu_makeRomId();\r
f013066e 506\r
0ae25549 507 // try new .cfg way\r
508 if (config_slot != 0)\r
509 sprintf(cfg, "game.%i.cfg", config_slot);\r
510 else strcpy(cfg, "game.cfg");\r
367b6f1f 511\r
512 ret = -1;\r
513 if (config_havesect(cfg, sect)) {\r
514 emu_setDefaultConfig();\r
515 ret = config_readsect(cfg, sect);\r
516 }\r
0ae25549 517\r
518 if (ret != 0)\r
519 {\r
520 // fall back to old\r
521 char extbuf[16];\r
522 if (config_slot != 0)\r
523 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
524 else strcpy(extbuf, ".pbcfg");\r
525 romfname_ext(cfg, "cfg/", extbuf);\r
526 f = fopen(cfg, "rb");\r
527 if (!f) {\r
528 romfname_ext(cfg, NULL, ".pbcfg");\r
529 f = fopen(cfg, "rb");\r
530 }\r
531 if (f) {\r
367b6f1f 532 int bread;\r
533 fseek(f, 512, SEEK_SET); // skip unused lrom buffer\r
534 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
0ae25549 535 lprintf("emu_ReadConfig: %s %s\n", cfg, bread > 0 ? "(ok)" : "(failed)");\r
536 fclose(f);\r
537 ret = 0;\r
538 }\r
539\r
540 if (ret == 0) {\r
541 PicoOpt = currentConfig.s_PicoOpt;\r
542 PsndRate = currentConfig.s_PsndRate;\r
543 PicoRegionOverride = currentConfig.s_PicoRegion;\r
544 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
545 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
546 }\r
547 }\r
548 else\r
549 {\r
367b6f1f 550 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
0ae25549 551 }\r
f013066e 552 }\r
0ae25549 553\r
f013066e 554 // some sanity checks\r
555 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
93c0d147 556#ifdef PSP\r
557 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
558#else\r
f013066e 559 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
93c0d147 560#endif\r
f013066e 561 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
8ede36b9 562#ifdef __GP2X__\r
f013066e 563 // if volume keys are unbound, bind them to volume control\r
564 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
565 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
566 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
567 }\r
8ede36b9 568#endif\r
0ae25549 569 if (ret == 0) config_slot_current = config_slot;\r
570 return (ret == 0);\r
f013066e 571}\r
572\r
573\r
0ae25549 574int emu_WriteConfig(int is_game)\r
f013066e 575{\r
0ae25549 576 char cfg[512], *game_sect = NULL;\r
577 int ret, write_lrom = 0;\r
f013066e 578\r
0ae25549 579 if (!is_game)\r
f013066e 580 {\r
581 strncpy(cfg, PicoConfigFile, 511);\r
582 if (config_slot != 0)\r
583 {\r
584 char *p = strrchr(cfg, '.');\r
585 if (p == NULL) p = cfg + strlen(cfg);\r
0ae25549 586 sprintf(p, ".%i.cfg", config_slot);\r
f013066e 587 }\r
588 cfg[511] = 0;\r
0ae25549 589 write_lrom = 1;\r
f013066e 590 } else {\r
591 if (config_slot != 0)\r
0ae25549 592 sprintf(cfg, "game.%i.cfg", config_slot);\r
593 else strcpy(cfg, "game.cfg");\r
594 game_sect = emu_makeRomId();\r
367b6f1f 595 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
f013066e 596 }\r
597\r
598 lprintf("emu_WriteConfig: %s ", cfg);\r
0ae25549 599 ret = config_writesect(cfg, game_sect);\r
367b6f1f 600 if (write_lrom) config_writelrom(cfg);\r
f013066e 601#ifndef NO_SYNC\r
0ae25549 602 sync();\r
f013066e 603#endif\r
0ae25549 604 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
f013066e 605\r
0ae25549 606 if (ret == 0) config_slot_current = config_slot;\r
607 return ret == 0;\r
f013066e 608}\r
609\r
610\r
611void emu_textOut8(int x, int y, const char *text)\r
612{\r
613 int i,l,len=strlen(text);\r
614 unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
615\r
616 /* always using built-in font */\r
617 for (i = 0; i < len; i++)\r
618 {\r
619 for (l=0;l<8;l++)\r
620 {\r
621 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
622 if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;\r
623 if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;\r
624 if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;\r
625 if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;\r
626 if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;\r
627 if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;\r
628 if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;\r
629 if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;\r
630 }\r
631 screen += 8;\r
632 }\r
633}\r
634\r
635void emu_textOut16(int x, int y, const char *text)\r
636{\r
637 int i,l,len=strlen(text);\r
638 unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
639\r
640 for (i = 0; i < len; i++)\r
641 {\r
642 for (l=0;l<8;l++)\r
643 {\r
644 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
645 if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;\r
646 if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;\r
647 if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;\r
648 if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;\r
649 if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;\r
650 if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;\r
651 if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;\r
652 if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;\r
653 }\r
654 screen += 8;\r
655 }\r
656}\r
657\r
8e708f92 658void emu_findKeyBindCombos(void)\r
659{\r
660 int act, u;\r
661\r
662 // find out which keys and actions are combos\r
663 kb_combo_keys = kb_combo_acts = 0;\r
664 for (act = 0; act < 32; act++)\r
665 {\r
666 int keyc = 0, keyc2 = 0;\r
667 if (act == 16 || act == 17) continue; // player2 flag\r
668 if (act > 17)\r
669 {\r
670 for (u = 0; u < 32; u++)\r
671 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
672 }\r
673 else\r
674 {\r
675 for (u = 0; u < 32; u++)\r
676 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1\r
677 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;\r
678 for (u = 0; u < 32; u++)\r
679 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2\r
680 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;\r
681 if (keyc2 > keyc) keyc = keyc2;\r
682 }\r
683 if (keyc > 1)\r
684 {\r
685 // loop again and mark those keys and actions as combo\r
686 for (u = 0; u < 32; u++)\r
687 {\r
688 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
689 kb_combo_keys |= 1 << u;\r
690 kb_combo_acts |= 1 << act;\r
691 }\r
692 }\r
693 }\r
694 }\r
695\r
696 // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);\r
697}\r
698\r
f013066e 699\r
700void emu_updateMovie(void)\r
701{\r
702 int offs = Pico.m.frame_count*3 + 0x40;\r
703 if (offs+3 > movie_size) {\r
704 free(movie_data);\r
705 movie_data = 0;\r
706 strcpy(noticeMsg, "END OF MOVIE.");\r
707 lprintf("END OF MOVIE.\n");\r
708 emu_noticeMsgUpdated();\r
709 } else {\r
710 // MXYZ SACB RLDU\r
711 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
712 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
713 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
714 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
715 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
716 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
717 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
718 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
719 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
720 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
721 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
722 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
723 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
724 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
725 }\r
726}\r
727\r
728\r
729static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
730{\r
731 return gzread(file, p, _n);\r
732}\r
733\r
734\r
735static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
736{\r
737 return gzwrite(file, p, _n);\r
738}\r
739\r
740static int try_ropen_file(const char *fname)\r
741{\r
742 FILE *f;\r
743\r
744 f = fopen(fname, "rb");\r
745 if (f) {\r
746 fclose(f);\r
747 return 1;\r
748 }\r
749 return 0;\r
750}\r
751\r
752char *emu_GetSaveFName(int load, int is_sram, int slot)\r
753{\r
754 static char saveFname[512];\r
755 char ext[16];\r
756\r
757 if (is_sram)\r
758 {\r
759 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");\r
760 if (load) {\r
761 if (try_ropen_file(saveFname)) return saveFname;\r
762 // try in current dir..\r
763 romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");\r
764 if (try_ropen_file(saveFname)) return saveFname;\r
765 return NULL; // give up\r
766 }\r
767 }\r
768 else\r
769 {\r
770 ext[0] = 0;\r
771 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
772 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
773\r
774 romfname_ext(saveFname, "mds/", ext);\r
775 if (load) {\r
776 if (try_ropen_file(saveFname)) return saveFname;\r
777 romfname_ext(saveFname, NULL, ext);\r
778 if (try_ropen_file(saveFname)) return saveFname;\r
779 if (currentConfig.EmuOpt & 8) {\r
780 ext[0] = 0;\r
781 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
782 strcat(ext, ".mds");\r
783\r
784 romfname_ext(saveFname, "mds/", ext);\r
785 if (try_ropen_file(saveFname)) return saveFname;\r
786 romfname_ext(saveFname, NULL, ext);\r
787 if (try_ropen_file(saveFname)) return saveFname;\r
788 }\r
789 return NULL;\r
790 }\r
791 }\r
792\r
793 return saveFname;\r
794}\r
795\r
796int emu_checkSaveFile(int slot)\r
797{\r
798 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
799}\r
800\r
801void emu_setSaveStateCbs(int gz)\r
802{\r
803 if (gz) {\r
804 areaRead = gzRead2;\r
805 areaWrite = gzWrite2;\r
806 areaEof = (areaeof *) gzeof;\r
807 areaSeek = (areaseek *) gzseek;\r
808 areaClose = (areaclose *) gzclose;\r
809 } else {\r
810 areaRead = (arearw *) fread;\r
811 areaWrite = (arearw *) fwrite;\r
812 areaEof = (areaeof *) feof;\r
813 areaSeek = (areaseek *) fseek;\r
814 areaClose = (areaclose *) fclose;\r
815 }\r
816}\r
817\r
818int emu_SaveLoadGame(int load, int sram)\r
819{\r
820 int ret = 0;\r
821 char *saveFname;\r
822\r
823 // make save filename\r
824 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
825 if (saveFname == NULL) {\r
826 if (!sram) {\r
827 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
828 emu_noticeMsgUpdated();\r
829 }\r
830 return -1;\r
831 }\r
832\r
833 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
834\r
11f4e722 835 if (sram)\r
836 {\r
f013066e 837 FILE *sramFile;\r
838 int sram_size;\r
839 unsigned char *sram_data;\r
840 int truncate = 1;\r
841 if (PicoMCD&1) {\r
842 if (PicoOpt&0x8000) { // MCD RAM cart?\r
843 sram_size = 0x12000;\r
844 sram_data = SRam.data;\r
845 if (sram_data)\r
846 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
847 } else {\r
848 sram_size = 0x2000;\r
849 sram_data = Pico_mcd->bram;\r
850 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
851 }\r
852 } else {\r
853 sram_size = SRam.end-SRam.start+1;\r
854 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
855 sram_data = SRam.data;\r
856 }\r
857 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
858\r
859 if (load) {\r
860 sramFile = fopen(saveFname, "rb");\r
861 if(!sramFile) return -1;\r
862 fread(sram_data, 1, sram_size, sramFile);\r
863 fclose(sramFile);\r
864 if ((PicoMCD&1) && (PicoOpt&0x8000))\r
865 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
866 } else {\r
867 // sram save needs some special processing\r
868 // see if we have anything to save\r
869 for (; sram_size > 0; sram_size--)\r
870 if (sram_data[sram_size-1]) break;\r
871\r
872 if (sram_size) {\r
873 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
874 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
875 if (!sramFile) return -1;\r
876 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
877 ret = (ret != sram_size) ? -1 : 0;\r
878 fclose(sramFile);\r
879#ifndef NO_SYNC\r
880 sync();\r
881#endif\r
882 }\r
883 }\r
884 return ret;\r
885 }\r
886 else\r
887 {\r
888 void *PmovFile = NULL;\r
11f4e722 889 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
890 {\r
f013066e 891 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
892 emu_setSaveStateCbs(1);\r
11f4e722 893 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
f013066e 894 }\r
895 }\r
896 else\r
897 {\r
898 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
899 emu_setSaveStateCbs(0);\r
900 }\r
901 }\r
902 if(PmovFile) {\r
903 ret = PmovState(load ? 6 : 5, PmovFile);\r
904 areaClose(PmovFile);\r
905 PmovFile = 0;\r
906 if (load) Pico.m.dirtyPal=1;\r
907#ifndef NO_SYNC\r
908 else sync();\r
909#endif\r
910 }\r
911 else ret = -1;\r
912 if (!ret)\r
913 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
914 else\r
915 {\r
916 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
917 ret = -1;\r
918 }\r
919\r
920 emu_noticeMsgUpdated();\r
921 return ret;\r
922 }\r
923}\r
8e708f92 924\r
PicoDrive's frontend in a lib