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gp2x->common menu migration finished, gp2x now only uses input fwk
[libpicofe.git] / common / emu.c
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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
17#include "config.h"\r
18#include "plat.h"\r
19\r
20#include <pico/pico_int.h>\r
21#include <pico/patch.h>\r
22#include <pico/cd/cue.h>\r
23#include <zlib/zlib.h>\r
24\r
25\r
26void *g_screen_ptr;\r
27\r
28#if !SCREEN_SIZE_FIXED\r
29int g_screen_width = SCREEN_WIDTH;\r
30int g_screen_height = SCREEN_HEIGHT;\r
31#endif\r
32\r
33char *PicoConfigFile = "config.cfg";\r
34currentConfig_t currentConfig, defaultConfig;\r
35char noticeMsg[64] = { 0, };\r
36int state_slot = 0;\r
37int config_slot = 0, config_slot_current = 0;\r
38int pico_inp_mode = 0;\r
39int engineState = PGS_Menu;\r
40\r
41/* TODO: len checking */\r
42char rom_fname_reload[512] = { 0, };\r
43char rom_fname_loaded[512] = { 0, };\r
44int rom_loaded = 0;\r
45\r
46unsigned char *movie_data = NULL;\r
47static int movie_size = 0;\r
48\r
49\r
50// utilities\r
51static void strlwr_(char *string)\r
52{\r
53 char *p;\r
54 for (p = string; *p; p++)\r
55 *p = (char)tolower(*p);\r
56}\r
57\r
58static int try_rfn_cut(char *fname)\r
59{\r
60 FILE *tmp;\r
61 char *p;\r
62\r
63 p = fname + strlen(fname) - 1;\r
64 for (; p > fname; p--)\r
65 if (*p == '.') break;\r
66 *p = 0;\r
67\r
68 if((tmp = fopen(fname, "rb"))) {\r
69 fclose(tmp);\r
70 return 1;\r
71 }\r
72 return 0;\r
73}\r
74\r
75static void get_ext(char *file, char *ext)\r
76{\r
77 char *p;\r
78\r
79 p = file + strlen(file) - 4;\r
80 if (p < file) p = file;\r
81 strncpy(ext, p, 4);\r
82 ext[4] = 0;\r
83 strlwr_(ext);\r
84}\r
85\r
86char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
87char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
88char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
89\r
90int emu_findBios(int region, char **bios_file)\r
91{\r
92 static char bios_path[1024];\r
93 int i, count;\r
94 char **files;\r
95 FILE *f = NULL;\r
96\r
97 if (region == 4) { // US\r
98 files = biosfiles_us;\r
99 count = sizeof(biosfiles_us) / sizeof(char *);\r
100 } else if (region == 8) { // EU\r
101 files = biosfiles_eu;\r
102 count = sizeof(biosfiles_eu) / sizeof(char *);\r
103 } else if (region == 1 || region == 2) {\r
104 files = biosfiles_jp;\r
105 count = sizeof(biosfiles_jp) / sizeof(char *);\r
106 } else {\r
107 return 0;\r
108 }\r
109\r
110 for (i = 0; i < count; i++)\r
111 {\r
112 emu_getMainDir(bios_path, sizeof(bios_path));\r
113 strcat(bios_path, files[i]);\r
114 strcat(bios_path, ".bin");\r
115 f = fopen(bios_path, "rb");\r
116 if (f) break;\r
117\r
118 bios_path[strlen(bios_path) - 4] = 0;\r
119 strcat(bios_path, ".zip");\r
120 f = fopen(bios_path, "rb");\r
121 if (f) break;\r
122 }\r
123\r
124 if (f) {\r
125 lprintf("using bios: %s\n", bios_path);\r
126 fclose(f);\r
127 if (bios_file) *bios_file = bios_path;\r
128 return 1;\r
129 } else {\r
130 sprintf(bios_path, "no %s BIOS files found, read docs",\r
131 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
132 me_update_msg(bios_path);\r
133 return 0;\r
134 }\r
135}\r
136\r
137/* check if the name begins with BIOS name */\r
138/*\r
139static int emu_isBios(const char *name)\r
140{\r
141 int i;\r
142 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
143 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
144 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
145 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
146 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
147 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
148 return 0;\r
149}\r
150*/\r
151\r
152static unsigned char id_header[0x100];\r
153\r
154/* checks if fname points to valid MegaCD image\r
155 * if so, checks for suitable BIOS */\r
156int emu_cdCheck(int *pregion, char *fname_in)\r
157{\r
158 unsigned char buf[32];\r
159 pm_file *cd_f;\r
160 int region = 4; // 1: Japan, 4: US, 8: Europe\r
161 char ext[5], *fname = fname_in;\r
162 cue_track_type type = CT_UNKNOWN;\r
163 cue_data_t *cue_data = NULL;\r
164\r
165 get_ext(fname_in, ext);\r
166 if (strcasecmp(ext, ".cue") == 0) {\r
167 cue_data = cue_parse(fname_in);\r
168 if (cue_data != NULL) {\r
169 fname = cue_data->tracks[1].fname;\r
170 type = cue_data->tracks[1].type;\r
171 }\r
172 else\r
173 return -1;\r
174 }\r
175\r
176 cd_f = pm_open(fname);\r
177 if (cue_data != NULL)\r
178 cue_destroy(cue_data);\r
179\r
180 if (cd_f == NULL) return 0; // let the upper level handle this\r
181\r
182 if (pm_read(buf, 32, cd_f) != 32) {\r
183 pm_close(cd_f);\r
184 return -1;\r
185 }\r
186\r
187 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
188 if (type && type != CT_ISO)\r
189 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
190 type = CT_ISO; // Sega CD (ISO)\r
191 }\r
192 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
193 if (type && type != CT_BIN)\r
194 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
195 type = CT_BIN; // Sega CD (BIN)\r
196 }\r
197\r
198 if (type == CT_UNKNOWN) {\r
199 pm_close(cd_f);\r
200 return 0;\r
201 }\r
202\r
203 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
204 pm_read(id_header, sizeof(id_header), cd_f);\r
205\r
206 /* it seems we have a CD image here. Try to detect region now.. */\r
207 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
208 pm_read(buf, 1, cd_f);\r
209 pm_close(cd_f);\r
210\r
211 if (buf[0] == 0x64) region = 8; // EU\r
212 if (buf[0] == 0xa1) region = 1; // JAP\r
213\r
214 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
215 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
216\r
217 if (pregion != NULL) *pregion = region;\r
218\r
219 return type;\r
220}\r
221\r
222static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
223{\r
224 char *p = dest;\r
225 int i;\r
226\r
227 if (swab) swab = 1;\r
228\r
229 for (i = len - 1; i >= 0; i--)\r
230 {\r
231 if (src[i^swab] != ' ') break;\r
232 }\r
233 len = i + 1;\r
234\r
235 for (i = 0; i < len; i++)\r
236 {\r
237 unsigned char s = src[i^swab];\r
238 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
239 s != '[' && s != ']' && s != '\\')\r
240 {\r
241 *p++ = s;\r
242 }\r
243 else\r
244 {\r
245 sprintf(p, "\\%02x", s);\r
246 p += 3;\r
247 }\r
248 }\r
249\r
250 return p - dest;\r
251}\r
252\r
253char *emu_makeRomId(void)\r
254{\r
255 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
256 int pos, swab = 1;\r
257\r
258 if (PicoAHW & PAHW_MCD) {\r
259 strcpy(id_string, "CD|");\r
260 swab = 0;\r
261 }\r
262 else strcpy(id_string, "MD|");\r
263 pos = 3;\r
264\r
265 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
266 id_string[pos] = '|'; pos++;\r
267 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
268 id_string[pos] = '|'; pos++;\r
269 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
270 id_string[pos] = 0;\r
271\r
272 return id_string;\r
273}\r
274\r
275// buffer must be at least 150 byte long\r
276void emu_getGameName(char *str150)\r
277{\r
278 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
279 char *s, *d;\r
280\r
281 ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r
282\r
283 for (s = d = str150 + 1; s < str150+ret; s++)\r
284 {\r
285 if (*s == 0) break;\r
286 if (*s != ' ' || d[-1] != ' ')\r
287 *d++ = *s;\r
288 }\r
289 *d = 0;\r
290}\r
291\r
292// note: this function might mangle rom_fname\r
293int emu_ReloadRom(char *rom_fname)\r
294{\r
295 unsigned int rom_size = 0;\r
296 char *used_rom_name = rom_fname;\r
297 unsigned char *rom_data = NULL;\r
298 char ext[5];\r
299 pm_file *rom = NULL;\r
300 int ret, cd_state, cd_region, cfg_loaded = 0;\r
301\r
302 lprintf("emu_ReloadRom(%s)\n", rom_fname);\r
303\r
304 get_ext(rom_fname, ext);\r
305\r
306 // detect wrong extensions\r
307 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
308 me_update_msg("Not a ROM/CD selected.");\r
309 return 0;\r
310 }\r
311\r
312 PicoPatchUnload();\r
313\r
314 // check for movie file\r
315 if (movie_data) {\r
316 free(movie_data);\r
317 movie_data = 0;\r
318 }\r
319 if (!strcmp(ext, ".gmv"))\r
320 {\r
321 // check for both gmv and rom\r
322 int dummy;\r
323 FILE *movie_file = fopen(rom_fname, "rb");\r
324 if(!movie_file) {\r
325 me_update_msg("Failed to open movie.");\r
326 return 0;\r
327 }\r
328 fseek(movie_file, 0, SEEK_END);\r
329 movie_size = ftell(movie_file);\r
330 fseek(movie_file, 0, SEEK_SET);\r
331 if(movie_size < 64+3) {\r
332 me_update_msg("Invalid GMV file.");\r
333 fclose(movie_file);\r
334 return 0;\r
335 }\r
336 movie_data = malloc(movie_size);\r
337 if(movie_data == NULL) {\r
338 me_update_msg("low memory.");\r
339 fclose(movie_file);\r
340 return 0;\r
341 }\r
342 fread(movie_data, 1, movie_size, movie_file);\r
343 fclose(movie_file);\r
344 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
345 me_update_msg("Invalid GMV file.");\r
346 return 0;\r
347 }\r
348 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
349 if (!dummy) {\r
350 me_update_msg("Could't find a ROM for movie.");\r
351 return 0;\r
352 }\r
353 get_ext(rom_fname, ext);\r
354 lprintf("gmv loaded for %s\n", rom_fname);\r
355 }\r
356 else if (!strcmp(ext, ".pat"))\r
357 {\r
358 int dummy;\r
359 PicoPatchLoad(rom_fname);\r
360 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
361 if (!dummy) {\r
362 me_update_msg("Could't find a ROM to patch.");\r
363 return 0;\r
364 }\r
365 get_ext(rom_fname, ext);\r
366 }\r
367\r
368 emu_shutdownMCD();\r
369\r
370 // check for MegaCD image\r
371 cd_state = emu_cdCheck(&cd_region, rom_fname);\r
372 if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
373 {\r
374 PicoAHW |= PAHW_MCD;\r
375 // valid CD image, check for BIOS..\r
376\r
377 // we need to have config loaded at this point\r
378 ret = emu_ReadConfig(1, 1);\r
379 if (!ret) emu_ReadConfig(0, 1);\r
380 cfg_loaded = 1;\r
381\r
382 if (PicoRegionOverride) {\r
383 cd_region = PicoRegionOverride;\r
384 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
385 }\r
386 if (!emu_findBios(cd_region, &used_rom_name)) {\r
387 // bios_help() ?\r
388 PicoAHW &= ~PAHW_MCD;\r
389 return 0;\r
390 }\r
391\r
392 get_ext(used_rom_name, ext);\r
393 }\r
394 else\r
395 {\r
396 if (PicoAHW & PAHW_MCD) Stop_CD();\r
397 PicoAHW &= ~PAHW_MCD;\r
398 }\r
399\r
400 rom = pm_open(used_rom_name);\r
401 if (!rom) {\r
402 me_update_msg("Failed to open ROM/CD image");\r
403 goto fail;\r
404 }\r
405\r
406 if (cd_state < 0) {\r
407 me_update_msg("Invalid CD image");\r
408 goto fail;\r
409 }\r
410\r
411 menu_romload_prepare(used_rom_name); // also CD load\r
412\r
413 PicoCartUnload();\r
414 rom_loaded = 0;\r
415\r
416 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
417 if (ret == 2) me_update_msg("Out of memory");\r
418 else if (ret == 3) me_update_msg("Read failed");\r
419 else me_update_msg("PicoCartLoad() failed.");\r
420 goto fail2;\r
421 }\r
422 pm_close(rom);\r
423 rom = NULL;\r
424\r
425 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
426 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
427 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
428 if (rom_data) free(rom_data);\r
429 me_update_msg("Not a ROM selected.");\r
430 goto fail2;\r
431 }\r
432\r
433 // load config for this ROM (do this before insert to get correct region)\r
434 if (!(PicoAHW & PAHW_MCD))\r
435 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
436 if (!cfg_loaded) {\r
437 ret = emu_ReadConfig(1, 1);\r
438 if (!ret) emu_ReadConfig(0, 1);\r
439 }\r
440\r
441 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
442 if (PicoCartInsert(rom_data, rom_size)) {\r
443 me_update_msg("Failed to load ROM.");\r
444 goto fail2;\r
445 }\r
446\r
447 // insert CD if it was detected\r
448 if (cd_state != CIT_NOT_CD) {\r
449 ret = Insert_CD(rom_fname, cd_state);\r
450 if (ret != 0) {\r
451 me_update_msg("Insert_CD() failed, invalid CD image?");\r
452 goto fail2;\r
453 }\r
454 }\r
455\r
456 menu_romload_end();\r
457\r
458 if (PicoPatches) {\r
459 PicoPatchPrepare();\r
460 PicoPatchApply();\r
461 }\r
462\r
463 // additional movie stuff\r
464 if (movie_data)\r
465 {\r
466 if (movie_data[0x14] == '6')\r
467 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
468 else PicoOpt &= ~POPT_6BTN_PAD;\r
469 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
470 if (movie_data[0xF] >= 'A') {\r
471 if (movie_data[0x16] & 0x80) {\r
472 PicoRegionOverride = 8;\r
473 } else {\r
474 PicoRegionOverride = 4;\r
475 }\r
476 PicoReset();\r
477 // TODO: bits 6 & 5\r
478 }\r
479 movie_data[0x18+30] = 0;\r
480 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
481 }\r
482 else\r
483 {\r
484 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
485 if (Pico.m.pal) {\r
486 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
487 } else {\r
488 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
489 }\r
490 }\r
491 emu_noticeMsgUpdated();\r
492\r
493 // load SRAM for this ROM\r
494 if (currentConfig.EmuOpt & EOPT_USE_SRAM)\r
495 emu_SaveLoadGame(1, 1);\r
496\r
497 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
498 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
499 rom_loaded = 1;\r
500 return 1;\r
501\r
502fail2:\r
503 menu_romload_end();\r
504fail:\r
505 if (rom != NULL) pm_close(rom);\r
506 return 0;\r
507}\r
508\r
509\r
510void emu_shutdownMCD(void)\r
511{\r
512 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
513 Stop_CD();\r
514 PicoAHW &= ~PAHW_MCD;\r
515}\r
516\r
517static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
518{\r
519 char *p;\r
520 int prefix_len = 0;\r
521\r
522 // make save filename\r
523 p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;\r
524 for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r
525 *dst = 0;\r
526 if (prefix) {\r
527 int len = emu_getMainDir(dst, 512);\r
528 strcpy(dst + len, prefix);\r
529 prefix_len = len + strlen(prefix);\r
530 }\r
531#ifdef UIQ3\r
532 else p = rom_fname_loaded; // backward compatibility\r
533#endif\r
534 strncpy(dst + prefix_len, p, 511-prefix_len);\r
535 dst[511-8] = 0;\r
536 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
537 if (ext) strcat(dst, ext);\r
538}\r
539\r
540\r
541static void make_config_cfg(char *cfg)\r
542{\r
543 int len;\r
544 len = emu_getMainDir(cfg, 512);\r
545 strncpy(cfg + len, PicoConfigFile, 512-6-1-len);\r
546 if (config_slot != 0)\r
547 {\r
548 char *p = strrchr(cfg, '.');\r
549 if (p == NULL) p = cfg + strlen(cfg);\r
550 sprintf(p, ".%i.cfg", config_slot);\r
551 }\r
552 cfg[511] = 0;\r
553}\r
554\r
555void emu_packConfig(void)\r
556{\r
557 currentConfig.s_PicoOpt = PicoOpt;\r
558 currentConfig.s_PsndRate = PsndRate;\r
559 currentConfig.s_PicoRegion = PicoRegionOverride;\r
560 currentConfig.s_PicoAutoRgnOrder = PicoAutoRgnOrder;\r
561 currentConfig.s_PicoCDBuffers = PicoCDBuffers;\r
562}\r
563\r
564void emu_unpackConfig(void)\r
565{\r
566 PicoOpt = currentConfig.s_PicoOpt;\r
567 PsndRate = currentConfig.s_PsndRate;\r
568 PicoRegionOverride = currentConfig.s_PicoRegion;\r
569 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
570 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
571}\r
572\r
573static void emu_setDefaultConfig(void)\r
574{\r
575 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
576 emu_unpackConfig();\r
577}\r
578\r
579\r
580int emu_ReadConfig(int game, int no_defaults)\r
581{\r
582 char cfg[512];\r
583 int ret;\r
584\r
585 if (!game)\r
586 {\r
587 if (!no_defaults)\r
588 emu_setDefaultConfig();\r
589 make_config_cfg(cfg);\r
590 ret = config_readsect(cfg, NULL);\r
591 }\r
592 else\r
593 {\r
594 char *sect = emu_makeRomId();\r
595\r
596 // try new .cfg way\r
597 if (config_slot != 0)\r
598 sprintf(cfg, "game.%i.cfg", config_slot);\r
599 else strcpy(cfg, "game.cfg");\r
600\r
601 ret = -1;\r
602 if (config_havesect(cfg, sect))\r
603 {\r
604 // read user's config\r
605 int vol = currentConfig.volume;\r
606 emu_setDefaultConfig();\r
607 ret = config_readsect(cfg, sect);\r
608 currentConfig.volume = vol; // make vol global (bah)\r
609 }\r
610 else\r
611 {\r
612 // read global config, and apply game_def.cfg on top\r
613 make_config_cfg(cfg);\r
614 config_readsect(cfg, NULL);\r
615 ret = config_readsect("game_def.cfg", sect);\r
616 }\r
617\r
618 if (ret == 0)\r
619 {\r
620 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
621 }\r
622 }\r
623\r
624 // some sanity checks\r
625 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
626#ifdef PSP\r
627 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
628 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
629#else\r
630 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
631#endif\r
632 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
633\r
634 if (ret == 0) config_slot_current = config_slot;\r
635 return (ret == 0);\r
636}\r
637\r
638\r
639int emu_WriteConfig(int is_game)\r
640{\r
641 char cfg[512], *game_sect = NULL;\r
642 int ret, write_lrom = 0;\r
643\r
644 if (!is_game)\r
645 {\r
646 make_config_cfg(cfg);\r
647 write_lrom = 1;\r
648 } else {\r
649 if (config_slot != 0)\r
650 sprintf(cfg, "game.%i.cfg", config_slot);\r
651 else strcpy(cfg, "game.cfg");\r
652 game_sect = emu_makeRomId();\r
653 lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);\r
654 }\r
655\r
656 lprintf("emu_WriteConfig: %s ", cfg);\r
657 ret = config_writesect(cfg, game_sect);\r
658 if (write_lrom) config_writelrom(cfg);\r
659#ifndef NO_SYNC\r
660 sync();\r
661#endif\r
662 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
663\r
664 if (ret == 0) config_slot_current = config_slot;\r
665 return ret == 0;\r
666}\r
667\r
668\r
669void emu_writelrom(void)\r
670{\r
671 char cfg[512];\r
672 make_config_cfg(cfg);\r
673 config_writelrom(cfg);\r
674#ifndef NO_SYNC\r
675 sync();\r
676#endif\r
677}\r
678\r
679/* always using built-in font */\r
680\r
681#define mk_text_out(name, type, val) \\r
682void name(int x, int y, const char *text) \\r
683{ \\r
684 int i, l, len = strlen(text); \\r
685 type *screen = (type *)g_screen_ptr + x + y * g_screen_width; \\r
686 \\r
687 for (i = 0; i < len; i++, screen += 8) \\r
688 { \\r
689 for (l = 0; l < 8; l++) \\r
690 { \\r
691 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
692 type *s = screen + l * g_screen_width; \\r
693 if (fd&0x80) s[0] = val; \\r
694 if (fd&0x40) s[1] = val; \\r
695 if (fd&0x20) s[2] = val; \\r
696 if (fd&0x10) s[3] = val; \\r
697 if (fd&0x08) s[4] = val; \\r
698 if (fd&0x04) s[5] = val; \\r
699 if (fd&0x02) s[6] = val; \\r
700 if (fd&0x01) s[7] = val; \\r
701 } \\r
702 } \\r
703}\r
704\r
705mk_text_out(emu_textOut8, unsigned char, 0xf0)\r
706mk_text_out(emu_textOut16, unsigned short, 0xffff)\r
707\r
708#undef mk_text_out\r
709\r
710\r
711void emu_updateMovie(void)\r
712{\r
713 int offs = Pico.m.frame_count*3 + 0x40;\r
714 if (offs+3 > movie_size) {\r
715 free(movie_data);\r
716 movie_data = 0;\r
717 strcpy(noticeMsg, "END OF MOVIE.");\r
718 lprintf("END OF MOVIE.\n");\r
719 emu_noticeMsgUpdated();\r
720 } else {\r
721 // MXYZ SACB RLDU\r
722 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
723 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
724 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
725 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
726 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
727 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
728 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
729 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
730 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
731 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
732 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
733 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
734 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
735 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
736 }\r
737}\r
738\r
739\r
740static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
741{\r
742 return gzread(file, p, _n);\r
743}\r
744\r
745\r
746static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
747{\r
748 return gzwrite(file, p, _n);\r
749}\r
750\r
751static int try_ropen_file(const char *fname)\r
752{\r
753 FILE *f;\r
754\r
755 f = fopen(fname, "rb");\r
756 if (f) {\r
757 fclose(f);\r
758 return 1;\r
759 }\r
760 return 0;\r
761}\r
762\r
763char *emu_GetSaveFName(int load, int is_sram, int slot)\r
764{\r
765 static char saveFname[512];\r
766 char ext[16];\r
767\r
768 if (is_sram)\r
769 {\r
770 romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");\r
771 if (load) {\r
772 if (try_ropen_file(saveFname)) return saveFname;\r
773 // try in current dir..\r
774 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
775 if (try_ropen_file(saveFname)) return saveFname;\r
776 return NULL; // give up\r
777 }\r
778 }\r
779 else\r
780 {\r
781 ext[0] = 0;\r
782 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
783 strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");\r
784\r
785 romfname_ext(saveFname, "mds" PATH_SEP, ext);\r
786 if (load) {\r
787 if (try_ropen_file(saveFname)) return saveFname;\r
788 romfname_ext(saveFname, NULL, ext);\r
789 if (try_ropen_file(saveFname)) return saveFname;\r
790 // no gzipped states, search for non-gzipped\r
791 if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)\r
792 {\r
793 ext[0] = 0;\r
794 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
795 strcat(ext, ".mds");\r
796\r
797 romfname_ext(saveFname, "mds"PATH_SEP, ext);\r
798 if (try_ropen_file(saveFname)) return saveFname;\r
799 romfname_ext(saveFname, NULL, ext);\r
800 if (try_ropen_file(saveFname)) return saveFname;\r
801 }\r
802 return NULL;\r
803 }\r
804 }\r
805\r
806 return saveFname;\r
807}\r
808\r
809int emu_checkSaveFile(int slot)\r
810{\r
811 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
812}\r
813\r
814void emu_setSaveStateCbs(int gz)\r
815{\r
816 if (gz) {\r
817 areaRead = gzRead2;\r
818 areaWrite = gzWrite2;\r
819 areaEof = (areaeof *) gzeof;\r
820 areaSeek = (areaseek *) gzseek;\r
821 areaClose = (areaclose *) gzclose;\r
822 } else {\r
823 areaRead = (arearw *) fread;\r
824 areaWrite = (arearw *) fwrite;\r
825 areaEof = (areaeof *) feof;\r
826 areaSeek = (areaseek *) fseek;\r
827 areaClose = (areaclose *) fclose;\r
828 }\r
829}\r
830\r
831int emu_SaveLoadGame(int load, int sram)\r
832{\r
833 int ret = 0;\r
834 char *saveFname;\r
835\r
836 // make save filename\r
837 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
838 if (saveFname == NULL) {\r
839 if (!sram) {\r
840 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
841 emu_noticeMsgUpdated();\r
842 }\r
843 return -1;\r
844 }\r
845\r
846 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
847\r
848 if (sram)\r
849 {\r
850 FILE *sramFile;\r
851 int sram_size;\r
852 unsigned char *sram_data;\r
853 int truncate = 1;\r
854 if (PicoAHW & PAHW_MCD)\r
855 {\r
856 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
857 sram_size = 0x12000;\r
858 sram_data = SRam.data;\r
859 if (sram_data)\r
860 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
861 } else {\r
862 sram_size = 0x2000;\r
863 sram_data = Pico_mcd->bram;\r
864 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
865 }\r
866 } else {\r
867 sram_size = SRam.end-SRam.start+1;\r
868 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
869 sram_data = SRam.data;\r
870 }\r
871 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
872\r
873 if (load)\r
874 {\r
875 sramFile = fopen(saveFname, "rb");\r
876 if(!sramFile) return -1;\r
877 fread(sram_data, 1, sram_size, sramFile);\r
878 fclose(sramFile);\r
879 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
880 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
881 } else {\r
882 // sram save needs some special processing\r
883 // see if we have anything to save\r
884 for (; sram_size > 0; sram_size--)\r
885 if (sram_data[sram_size-1]) break;\r
886\r
887 if (sram_size) {\r
888 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
889 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
890 if (!sramFile) return -1;\r
891 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
892 ret = (ret != sram_size) ? -1 : 0;\r
893 fclose(sramFile);\r
894#ifndef NO_SYNC\r
895 sync();\r
896#endif\r
897 }\r
898 }\r
899 return ret;\r
900 }\r
901 else\r
902 {\r
903 void *PmovFile = NULL;\r
904 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
905 {\r
906 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
907 emu_setSaveStateCbs(1);\r
908 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
909 }\r
910 }\r
911 else\r
912 {\r
913 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
914 emu_setSaveStateCbs(0);\r
915 }\r
916 }\r
917 if(PmovFile) {\r
918 ret = PmovState(load ? 6 : 5, PmovFile);\r
919 areaClose(PmovFile);\r
920 PmovFile = 0;\r
921 if (load) Pico.m.dirtyPal=1;\r
922#ifndef NO_SYNC\r
923 else sync();\r
924#endif\r
925 }\r
926 else ret = -1;\r
927 if (!ret)\r
928 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
929 else\r
930 {\r
931 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
932 ret = -1;\r
933 }\r
934\r
935 emu_noticeMsgUpdated();\r
936 return ret;\r
937 }\r
938}\r
939\r
940void emu_changeFastForward(int set_on)\r
941{\r
942 static void *set_PsndOut = NULL;\r
943 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
944\r
945 if (set_on && !is_on) {\r
946 set_PsndOut = PsndOut;\r
947 set_Frameskip = currentConfig.Frameskip;\r
948 set_EmuOpt = currentConfig.EmuOpt;\r
949 PsndOut = NULL;\r
950 currentConfig.Frameskip = 8;\r
951 currentConfig.EmuOpt &= ~4;\r
952 currentConfig.EmuOpt |= 0x40000;\r
953 is_on = 1;\r
954 strcpy(noticeMsg, "FAST FORWARD ");\r
955 emu_noticeMsgUpdated();\r
956 }\r
957 else if (!set_on && is_on) {\r
958 PsndOut = set_PsndOut;\r
959 currentConfig.Frameskip = set_Frameskip;\r
960 currentConfig.EmuOpt = set_EmuOpt;\r
961 PsndRerate(1);\r
962 is_on = 0;\r
963 }\r
964}\r
965\r
966void emu_RunEventsPico(unsigned int events)\r
967{\r
968 if (events & (1 << 3)) {\r
969 pico_inp_mode++;\r
970 if (pico_inp_mode > 2) pico_inp_mode = 0;\r
971 switch (pico_inp_mode) {\r
972 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;\r
973 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;\r
974 case 0: strcpy(noticeMsg, "Input: Joytick ");\r
975 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
976 break;\r
977 }\r
978 emu_noticeMsgUpdated();\r
979 }\r
980 if (events & (1 << 4)) {\r
981 PicoPicohw.page--;\r
982 if (PicoPicohw.page < 0) PicoPicohw.page = 0;\r
983 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
984 emu_noticeMsgUpdated();\r
985 }\r
986 if (events & (1 << 5)) {\r
987 PicoPicohw.page++;\r
988 if (PicoPicohw.page > 6) PicoPicohw.page = 6;\r
989 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
990 emu_noticeMsgUpdated();\r
991 }\r
992}\r
993\r
994void emu_DoTurbo(int *pad, int acts)\r
995{\r
996 static int turbo_pad = 0;\r
997 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
998 int inc = currentConfig.turbo_rate * 2;\r
999\r
1000 if (acts & 0x1000) {\r
1001 turbo_cnt[0] += inc;\r
1002 if (turbo_cnt[0] >= 60)\r
1003 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1004 }\r
1005 if (acts & 0x2000) {\r
1006 turbo_cnt[1] += inc;\r
1007 if (turbo_cnt[1] >= 60)\r
1008 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1009 }\r
1010 if (acts & 0x4000) {\r
1011 turbo_cnt[2] += inc;\r
1012 if (turbo_cnt[2] >= 60)\r
1013 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1014 }\r
1015 *pad |= turbo_pad & (acts >> 8);\r
1016}\r
1017\r
PicoDrive's frontend in a lib