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input def bind fix, rnd note
[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
b24e0f6c 8#include <stdarg.h>\r
ea8c405f 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
713c9224 18#include "plat.h"\r
d34a42f9 19#include "input.h"\r
f2cf8472 20#include "posix.h"\r
ea8c405f 21\r
efcba75f 22#include <pico/pico_int.h>\r
23#include <pico/patch.h>\r
24#include <pico/cd/cue.h>\r
ea8c405f 25#include <zlib/zlib.h>\r
26\r
ea8c405f 27\r
54646a39 28#define STATUS_MSG_TIMEOUT 2000\r
29\r
e2de9939 30void *g_screen_ptr;\r
31\r
32#if !SCREEN_SIZE_FIXED\r
33int g_screen_width = SCREEN_WIDTH;\r
34int g_screen_height = SCREEN_HEIGHT;\r
35#endif\r
36\r
c46ffd31 37char *PicoConfigFile = "config.cfg";\r
58c86d00 38currentConfig_t currentConfig, defaultConfig;\r
ea8c405f 39int state_slot = 0;\r
40int config_slot = 0, config_slot_current = 0;\r
f2cf8472 41int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
c060a9ab 42int pico_inp_mode = 0;\r
713c9224 43int engineState = PGS_Menu;\r
44\r
45/* TODO: len checking */\r
46char rom_fname_reload[512] = { 0, };\r
47char rom_fname_loaded[512] = { 0, };\r
48int rom_loaded = 0;\r
f2cf8472 49int reset_timing = 0;\r
b24e0f6c 50static unsigned int notice_msg_time; /* when started showing */\r
51static char noticeMsg[40];\r
ea8c405f 52\r
53unsigned char *movie_data = NULL;\r
54static int movie_size = 0;\r
55\r
ea8c405f 56\r
ee2a3bdf 57/* don't use tolower() for easy old glibc binary compatibility */\r
f8af9634 58static void strlwr_(char *string)\r
ea8c405f 59{\r
f8af9634 60 char *p;\r
61 for (p = string; *p; p++)\r
ee2a3bdf 62 if ('A' <= *p && *p <= 'Z')\r
63 *p += 'a' - 'A';\r
ea8c405f 64}\r
65\r
ca482e5d 66static int try_rfn_cut(char *fname)\r
ea8c405f 67{\r
68 FILE *tmp;\r
69 char *p;\r
70\r
ca482e5d 71 p = fname + strlen(fname) - 1;\r
72 for (; p > fname; p--)\r
ea8c405f 73 if (*p == '.') break;\r
74 *p = 0;\r
75\r
ca482e5d 76 if((tmp = fopen(fname, "rb"))) {\r
ea8c405f 77 fclose(tmp);\r
78 return 1;\r
79 }\r
80 return 0;\r
81}\r
82\r
35e3031a 83static void get_ext(const char *file, char *ext)\r
ea8c405f 84{\r
35e3031a 85 const char *p;\r
ea8c405f 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
b24e0f6c 94void emu_status_msg(const char *format, ...)\r
95{\r
96 va_list vl;\r
54646a39 97 int ret;\r
b24e0f6c 98\r
99 va_start(vl, format);\r
54646a39 100 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
b24e0f6c 101 va_end(vl);\r
102\r
54646a39 103 /* be sure old text gets overwritten */\r
104 for (; ret < 28; ret++)\r
105 noticeMsg[ret] = ' ';\r
106 noticeMsg[ret] = 0;\r
107\r
b24e0f6c 108 notice_msg_time = plat_get_ticks_ms();\r
109}\r
110\r
54646a39 111static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
112static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
113static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
ea8c405f 114\r
a47dd663 115static int find_bios(int region, char **bios_file)\r
ea8c405f 116{\r
117 static char bios_path[1024];\r
118 int i, count;\r
54646a39 119 const char * const *files;\r
ea8c405f 120 FILE *f = NULL;\r
121\r
122 if (region == 4) { // US\r
123 files = biosfiles_us;\r
124 count = sizeof(biosfiles_us) / sizeof(char *);\r
125 } else if (region == 8) { // EU\r
126 files = biosfiles_eu;\r
127 count = sizeof(biosfiles_eu) / sizeof(char *);\r
128 } else if (region == 1 || region == 2) {\r
129 files = biosfiles_jp;\r
130 count = sizeof(biosfiles_jp) / sizeof(char *);\r
131 } else {\r
132 return 0;\r
133 }\r
134\r
135 for (i = 0; i < count; i++)\r
136 {\r
27701801 137 emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);\r
ea8c405f 138 strcat(bios_path, ".bin");\r
139 f = fopen(bios_path, "rb");\r
140 if (f) break;\r
141\r
142 bios_path[strlen(bios_path) - 4] = 0;\r
143 strcat(bios_path, ".zip");\r
144 f = fopen(bios_path, "rb");\r
145 if (f) break;\r
146 }\r
147\r
148 if (f) {\r
149 lprintf("using bios: %s\n", bios_path);\r
150 fclose(f);\r
151 if (bios_file) *bios_file = bios_path;\r
152 return 1;\r
153 } else {\r
c6c6c9cd 154 sprintf(bios_path, "no %s BIOS files found, read docs",\r
ea8c405f 155 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
c6c6c9cd 156 me_update_msg(bios_path);\r
ea8c405f 157 return 0;\r
158 }\r
159}\r
160\r
c6196c0f 161/* check if the name begins with BIOS name */\r
1ca2ea4f 162/*\r
c6196c0f 163static int emu_isBios(const char *name)\r
164{\r
165 int i;\r
166 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
167 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
168 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
169 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
170 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
171 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
172 return 0;\r
173}\r
1ca2ea4f 174*/\r
c6196c0f 175\r
1ca2ea4f 176static unsigned char id_header[0x100];\r
58c86d00 177\r
ca482e5d 178/* checks if fname points to valid MegaCD image\r
ea8c405f 179 * if so, checks for suitable BIOS */\r
35e3031a 180static int emu_cd_check(int *pregion, const char *fname_in)\r
ea8c405f 181{\r
35e3031a 182 const char *fname = fname_in;\r
ea8c405f 183 unsigned char buf[32];\r
184 pm_file *cd_f;\r
9037e45d 185 int region = 4; // 1: Japan, 4: US, 8: Europe\r
35e3031a 186 char ext[5];\r
9037e45d 187 cue_track_type type = CT_UNKNOWN;\r
188 cue_data_t *cue_data = NULL;\r
b923ecbe 189\r
ca482e5d 190 get_ext(fname_in, ext);\r
9037e45d 191 if (strcasecmp(ext, ".cue") == 0) {\r
ca482e5d 192 cue_data = cue_parse(fname_in);\r
9037e45d 193 if (cue_data != NULL) {\r
194 fname = cue_data->tracks[1].fname;\r
195 type = cue_data->tracks[1].type;\r
196 }\r
f9f40f10 197 else\r
198 return -1;\r
9037e45d 199 }\r
200\r
201 cd_f = pm_open(fname);\r
202 if (cue_data != NULL)\r
203 cue_destroy(cue_data);\r
ea8c405f 204\r
f9f40f10 205 if (cd_f == NULL) return 0; // let the upper level handle this\r
ea8c405f 206\r
207 if (pm_read(buf, 32, cd_f) != 32) {\r
208 pm_close(cd_f);\r
f9f40f10 209 return -1;\r
ea8c405f 210 }\r
211\r
9037e45d 212 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
213 if (type && type != CT_ISO)\r
214 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
215 type = CT_ISO; // Sega CD (ISO)\r
216 }\r
217 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
218 if (type && type != CT_BIN)\r
219 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
220 type = CT_BIN; // Sega CD (BIN)\r
221 }\r
222\r
223 if (type == CT_UNKNOWN) {\r
ea8c405f 224 pm_close(cd_f);\r
225 return 0;\r
226 }\r
227\r
9037e45d 228 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
1ca2ea4f 229 pm_read(id_header, sizeof(id_header), cd_f);\r
58c86d00 230\r
ea8c405f 231 /* it seems we have a CD image here. Try to detect region now.. */\r
9037e45d 232 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
ea8c405f 233 pm_read(buf, 1, cd_f);\r
234 pm_close(cd_f);\r
235\r
236 if (buf[0] == 0x64) region = 8; // EU\r
237 if (buf[0] == 0xa1) region = 1; // JAP\r
238\r
239 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
9037e45d 240 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
ea8c405f 241\r
242 if (pregion != NULL) *pregion = region;\r
243\r
244 return type;\r
245}\r
246\r
7a87643e 247static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
58c86d00 248{\r
249 char *p = dest;\r
250 int i;\r
251\r
252 if (swab) swab = 1;\r
253\r
254 for (i = len - 1; i >= 0; i--)\r
255 {\r
256 if (src[i^swab] != ' ') break;\r
257 }\r
258 len = i + 1;\r
259\r
260 for (i = 0; i < len; i++)\r
261 {\r
262 unsigned char s = src[i^swab];\r
263 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
264 s != '[' && s != ']' && s != '\\')\r
265 {\r
266 *p++ = s;\r
267 }\r
268 else\r
269 {\r
270 sprintf(p, "\\%02x", s);\r
271 p += 3;\r
272 }\r
273 }\r
274\r
275 return p - dest;\r
276}\r
277\r
a47dd663 278static char *emu_make_rom_id(void)\r
58c86d00 279{\r
ca482e5d 280 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
bdec53c9 281 int pos, swab = 1;\r
58c86d00 282\r
602133e1 283 if (PicoAHW & PAHW_MCD) {\r
bdec53c9 284 strcpy(id_string, "CD|");\r
285 swab = 0;\r
286 }\r
1ca2ea4f 287 else strcpy(id_string, "MD|");\r
58c86d00 288 pos = 3;\r
289\r
bdec53c9 290 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
58c86d00 291 id_string[pos] = '|'; pos++;\r
bdec53c9 292 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
58c86d00 293 id_string[pos] = '|'; pos++;\r
bdec53c9 294 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
58c86d00 295 id_string[pos] = 0;\r
296\r
58c86d00 297 return id_string;\r
298}\r
299\r
ca482e5d 300// buffer must be at least 150 byte long\r
a47dd663 301void emu_get_game_name(char *str150)\r
ca482e5d 302{\r
303 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
304 char *s, *d;\r
305\r
306 ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r
307\r
308 for (s = d = str150 + 1; s < str150+ret; s++)\r
309 {\r
310 if (*s == 0) break;\r
311 if (*s != ' ' || d[-1] != ' ')\r
312 *d++ = *s;\r
313 }\r
314 *d = 0;\r
315}\r
316\r
a47dd663 317static void shutdown_MCD(void)\r
318{\r
319 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
320 Stop_CD();\r
321 PicoAHW &= ~PAHW_MCD;\r
322}\r
323\r
ca482e5d 324// note: this function might mangle rom_fname\r
a47dd663 325int emu_reload_rom(char *rom_fname)\r
ea8c405f 326{\r
327 unsigned int rom_size = 0;\r
ca482e5d 328 char *used_rom_name = rom_fname;\r
eacee137 329 unsigned char *rom_data = NULL;\r
ea8c405f 330 char ext[5];\r
f9f40f10 331 pm_file *rom = NULL;\r
ea8c405f 332 int ret, cd_state, cd_region, cfg_loaded = 0;\r
333\r
ca482e5d 334 lprintf("emu_ReloadRom(%s)\n", rom_fname);\r
ea8c405f 335\r
ca482e5d 336 get_ext(rom_fname, ext);\r
ea8c405f 337\r
338 // detect wrong extensions\r
eacee137 339 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
c6c6c9cd 340 me_update_msg("Not a ROM/CD selected.");\r
ea8c405f 341 return 0;\r
342 }\r
343\r
344 PicoPatchUnload();\r
345\r
346 // check for movie file\r
eacee137 347 if (movie_data) {\r
ea8c405f 348 free(movie_data);\r
349 movie_data = 0;\r
350 }\r
2d2247c2 351 if (!strcmp(ext, ".gmv"))\r
352 {\r
ea8c405f 353 // check for both gmv and rom\r
354 int dummy;\r
ca482e5d 355 FILE *movie_file = fopen(rom_fname, "rb");\r
ea8c405f 356 if(!movie_file) {\r
c6c6c9cd 357 me_update_msg("Failed to open movie.");\r
ea8c405f 358 return 0;\r
359 }\r
360 fseek(movie_file, 0, SEEK_END);\r
361 movie_size = ftell(movie_file);\r
362 fseek(movie_file, 0, SEEK_SET);\r
363 if(movie_size < 64+3) {\r
c6c6c9cd 364 me_update_msg("Invalid GMV file.");\r
ea8c405f 365 fclose(movie_file);\r
366 return 0;\r
367 }\r
368 movie_data = malloc(movie_size);\r
369 if(movie_data == NULL) {\r
c6c6c9cd 370 me_update_msg("low memory.");\r
ea8c405f 371 fclose(movie_file);\r
372 return 0;\r
373 }\r
374 fread(movie_data, 1, movie_size, movie_file);\r
375 fclose(movie_file);\r
376 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
c6c6c9cd 377 me_update_msg("Invalid GMV file.");\r
ea8c405f 378 return 0;\r
379 }\r
ca482e5d 380 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 381 if (!dummy) {\r
c6c6c9cd 382 me_update_msg("Could't find a ROM for movie.");\r
ea8c405f 383 return 0;\r
384 }\r
ca482e5d 385 get_ext(rom_fname, ext);\r
f8af9634 386 lprintf("gmv loaded for %s\n", rom_fname);\r
ea8c405f 387 }\r
ca482e5d 388 else if (!strcmp(ext, ".pat"))\r
389 {\r
ea8c405f 390 int dummy;\r
ca482e5d 391 PicoPatchLoad(rom_fname);\r
392 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 393 if (!dummy) {\r
c6c6c9cd 394 me_update_msg("Could't find a ROM to patch.");\r
ea8c405f 395 return 0;\r
396 }\r
ca482e5d 397 get_ext(rom_fname, ext);\r
ea8c405f 398 }\r
399\r
a47dd663 400 shutdown_MCD();\r
ea8c405f 401\r
402 // check for MegaCD image\r
a47dd663 403 cd_state = emu_cd_check(&cd_region, rom_fname);\r
f9f40f10 404 if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
ea8c405f 405 {\r
602133e1 406 PicoAHW |= PAHW_MCD;\r
ea8c405f 407 // valid CD image, check for BIOS..\r
408\r
409 // we need to have config loaded at this point\r
490eb480 410 ret = emu_read_config(1, 0);\r
411 if (!ret) emu_read_config(0, 0);\r
ea8c405f 412 cfg_loaded = 1;\r
413\r
414 if (PicoRegionOverride) {\r
415 cd_region = PicoRegionOverride;\r
416 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
417 }\r
a47dd663 418 if (!find_bios(cd_region, &used_rom_name)) {\r
602133e1 419 PicoAHW &= ~PAHW_MCD;\r
ea8c405f 420 return 0;\r
421 }\r
422\r
ea8c405f 423 get_ext(used_rom_name, ext);\r
424 }\r
425 else\r
426 {\r
602133e1 427 if (PicoAHW & PAHW_MCD) Stop_CD();\r
428 PicoAHW &= ~PAHW_MCD;\r
ea8c405f 429 }\r
430\r
431 rom = pm_open(used_rom_name);\r
eacee137 432 if (!rom) {\r
c6c6c9cd 433 me_update_msg("Failed to open ROM/CD image");\r
f9f40f10 434 goto fail;\r
435 }\r
436\r
437 if (cd_state < 0) {\r
c6c6c9cd 438 me_update_msg("Invalid CD image");\r
f9f40f10 439 goto fail;\r
ea8c405f 440 }\r
441\r
4b167c12 442 menu_romload_prepare(used_rom_name); // also CD load\r
ea8c405f 443\r
eacee137 444 PicoCartUnload();\r
445 rom_loaded = 0;\r
ea8c405f 446\r
eacee137 447 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
c6c6c9cd 448 if (ret == 2) me_update_msg("Out of memory");\r
449 else if (ret == 3) me_update_msg("Read failed");\r
450 else me_update_msg("PicoCartLoad() failed.");\r
f9f40f10 451 goto fail2;\r
ea8c405f 452 }\r
453 pm_close(rom);\r
f9f40f10 454 rom = NULL;\r
ea8c405f 455\r
456 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
eacee137 457 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
ea8c405f 458 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
459 if (rom_data) free(rom_data);\r
c6c6c9cd 460 me_update_msg("Not a ROM selected.");\r
f9f40f10 461 goto fail2;\r
ea8c405f 462 }\r
463\r
464 // load config for this ROM (do this before insert to get correct region)\r
602133e1 465 if (!(PicoAHW & PAHW_MCD))\r
1ca2ea4f 466 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
ea8c405f 467 if (!cfg_loaded) {\r
490eb480 468 ret = emu_read_config(1, 0);\r
469 if (!ret) emu_read_config(0, 0);\r
ea8c405f 470 }\r
471\r
472 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
eacee137 473 if (PicoCartInsert(rom_data, rom_size)) {\r
c6c6c9cd 474 me_update_msg("Failed to load ROM.");\r
f9f40f10 475 goto fail2;\r
ea8c405f 476 }\r
477\r
ea8c405f 478 // insert CD if it was detected\r
b923ecbe 479 if (cd_state != CIT_NOT_CD) {\r
ca482e5d 480 ret = Insert_CD(rom_fname, cd_state);\r
ea8c405f 481 if (ret != 0) {\r
c6c6c9cd 482 me_update_msg("Insert_CD() failed, invalid CD image?");\r
f9f40f10 483 goto fail2;\r
ea8c405f 484 }\r
485 }\r
486\r
4b167c12 487 menu_romload_end();\r
488\r
ea8c405f 489 if (PicoPatches) {\r
490 PicoPatchPrepare();\r
491 PicoPatchApply();\r
492 }\r
493\r
494 // additional movie stuff\r
f9f40f10 495 if (movie_data)\r
496 {\r
497 if (movie_data[0x14] == '6')\r
602133e1 498 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
499 else PicoOpt &= ~POPT_6BTN_PAD;\r
2aa27095 500 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 501 if (movie_data[0xF] >= 'A') {\r
502 if (movie_data[0x16] & 0x80) {\r
ea8c405f 503 PicoRegionOverride = 8;\r
504 } else {\r
505 PicoRegionOverride = 4;\r
506 }\r
1cb1584b 507 PicoReset();\r
ea8c405f 508 // TODO: bits 6 & 5\r
509 }\r
510 movie_data[0x18+30] = 0;\r
b24e0f6c 511 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
ea8c405f 512 }\r
513 else\r
514 {\r
602133e1 515 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
b24e0f6c 516 emu_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");\r
ea8c405f 517 }\r
ea8c405f 518\r
519 // load SRAM for this ROM\r
a47dd663 520 if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
521 emu_save_load_game(1, 1);\r
ea8c405f 522\r
713c9224 523 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
524 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
eacee137 525 rom_loaded = 1;\r
ea8c405f 526 return 1;\r
f9f40f10 527\r
528fail2:\r
529 menu_romload_end();\r
530fail:\r
531 if (rom != NULL) pm_close(rom);\r
532 return 0;\r
ea8c405f 533}\r
534\r
35e3031a 535int emu_swap_cd(const char *fname)\r
536{\r
537 cd_img_type cd_type;\r
538 int ret = -1;\r
539\r
540 cd_type = emu_cd_check(NULL, fname);\r
541 if (cd_type != CIT_NOT_CD)\r
542 ret = Insert_CD(fname, cd_type);\r
543 if (ret != 0) {\r
544 me_update_msg("Load failed, invalid CD image?");\r
545 return 0;\r
546 }\r
547\r
548 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r
549 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
550 return 1;\r
551}\r
552\r
ea8c405f 553static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
554{\r
555 char *p;\r
556 int prefix_len = 0;\r
557\r
558 // make save filename\r
713c9224 559 p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;\r
560 for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r
ea8c405f 561 *dst = 0;\r
562 if (prefix) {\r
f2cf8472 563 int len = plat_get_root_dir(dst, 512);\r
ca482e5d 564 strcpy(dst + len, prefix);\r
565 prefix_len = len + strlen(prefix);\r
ea8c405f 566 }\r
ca482e5d 567#ifdef UIQ3\r
713c9224 568 else p = rom_fname_loaded; // backward compatibility\r
ca482e5d 569#endif\r
ea8c405f 570 strncpy(dst + prefix_len, p, 511-prefix_len);\r
571 dst[511-8] = 0;\r
572 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
573 if (ext) strcat(dst, ext);\r
574}\r
575\r
27701801 576void emu_make_path(char *buff, const char *end, int size)\r
08fe8094 577{\r
27701801 578 int pos, end_len;\r
579\r
580 end_len = strlen(end);\r
581 pos = plat_get_root_dir(buff, size);\r
582 strncpy(buff + pos, end, size - pos);\r
583 buff[size - 1] = 0;\r
584 if (pos + end_len > size - 1)\r
585 lprintf("Warning: path truncated: %s\n", buff);\r
586}\r
587\r
588static void make_config_cfg(char *cfg_buff_512)\r
589{\r
590 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
08fe8094 591 if (config_slot != 0)\r
592 {\r
27701801 593 char *p = strrchr(cfg_buff_512, '.');\r
594 if (p == NULL)\r
595 p = cfg_buff_512 + strlen(cfg_buff_512);\r
08fe8094 596 sprintf(p, ".%i.cfg", config_slot);\r
597 }\r
27701801 598 cfg_buff_512[511] = 0;\r
08fe8094 599}\r
600\r
d90f5bd7 601void emu_set_defconfig(void)\r
ca482e5d 602{\r
a47dd663 603 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
ca482e5d 604 PicoOpt = currentConfig.s_PicoOpt;\r
605 PsndRate = currentConfig.s_PsndRate;\r
606 PicoRegionOverride = currentConfig.s_PicoRegion;\r
607 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
608 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
609}\r
610\r
a47dd663 611int emu_read_config(int game, int no_defaults)\r
ea8c405f 612{\r
58c86d00 613 char cfg[512];\r
58c86d00 614 int ret;\r
ea8c405f 615\r
490eb480 616 if (!no_defaults)\r
617 emu_set_defconfig();\r
618\r
ea8c405f 619 if (!game)\r
620 {\r
08fe8094 621 make_config_cfg(cfg);\r
58c86d00 622 ret = config_readsect(cfg, NULL);\r
ea8c405f 623 }\r
58c86d00 624 else\r
625 {\r
a47dd663 626 char *sect = emu_make_rom_id();\r
ea8c405f 627\r
58c86d00 628 // try new .cfg way\r
629 if (config_slot != 0)\r
630 sprintf(cfg, "game.%i.cfg", config_slot);\r
631 else strcpy(cfg, "game.cfg");\r
1ca2ea4f 632\r
633 ret = -1;\r
08fe8094 634 if (config_havesect(cfg, sect))\r
635 {\r
636 // read user's config\r
7b802576 637 int vol = currentConfig.volume;\r
d90f5bd7 638 emu_set_defconfig();\r
1ca2ea4f 639 ret = config_readsect(cfg, sect);\r
7b802576 640 currentConfig.volume = vol; // make vol global (bah)\r
1ca2ea4f 641 }\r
a39b7867 642 else\r
08fe8094 643 {\r
644 // read global config, and apply game_def.cfg on top\r
645 make_config_cfg(cfg);\r
646 config_readsect(cfg, NULL);\r
d8afe7b8 647 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
648 ret = config_readsect(cfg, sect);\r
08fe8094 649 }\r
58c86d00 650\r
ca482e5d 651 if (ret == 0)\r
58c86d00 652 {\r
1ca2ea4f 653 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
58c86d00 654 }\r
ea8c405f 655 }\r
58c86d00 656\r
ee2a3bdf 657 plat_validate_config();\r
658\r
ea8c405f 659 // some sanity checks\r
2445b7cb 660#ifdef PSP\r
ee2a3bdf 661 /* TODO: mv to plat_validate_config() */\r
662 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
2445b7cb 663 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
6fc57144 664 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
2445b7cb 665#endif\r
ee2a3bdf 666 if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
667 currentConfig.volume = 50;\r
668\r
669 if (ret == 0)\r
670 config_slot_current = config_slot;\r
991473ad 671\r
58c86d00 672 return (ret == 0);\r
ea8c405f 673}\r
674\r
675\r
a47dd663 676int emu_write_config(int is_game)\r
ea8c405f 677{\r
58c86d00 678 char cfg[512], *game_sect = NULL;\r
679 int ret, write_lrom = 0;\r
ea8c405f 680\r
58c86d00 681 if (!is_game)\r
ea8c405f 682 {\r
ca482e5d 683 make_config_cfg(cfg);\r
58c86d00 684 write_lrom = 1;\r
ea8c405f 685 } else {\r
686 if (config_slot != 0)\r
58c86d00 687 sprintf(cfg, "game.%i.cfg", config_slot);\r
688 else strcpy(cfg, "game.cfg");\r
a47dd663 689 game_sect = emu_make_rom_id();\r
690 lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r
ea8c405f 691 }\r
692\r
a47dd663 693 lprintf("emu_write_config: %s ", cfg);\r
58c86d00 694 ret = config_writesect(cfg, game_sect);\r
1ca2ea4f 695 if (write_lrom) config_writelrom(cfg);\r
ea8c405f 696#ifndef NO_SYNC\r
58c86d00 697 sync();\r
ea8c405f 698#endif\r
58c86d00 699 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 700\r
58c86d00 701 if (ret == 0) config_slot_current = config_slot;\r
702 return ret == 0;\r
ea8c405f 703}\r
704\r
705\r
e2de9939 706/* always using built-in font */\r
707\r
cc41eb4f 708#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
e2de9939 709void name(int x, int y, const char *text) \\r
710{ \\r
711 int i, l, len = strlen(text); \\r
cc41eb4f 712 type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
e2de9939 713 \\r
cc41eb4f 714 for (i = 0; i < len; i++, screen += 8 * step_x) \\r
e2de9939 715 { \\r
716 for (l = 0; l < 8; l++) \\r
717 { \\r
718 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
cc41eb4f 719 type *s = screen + l * step_y; \\r
720 if (fd&0x80) s[step_x * 0] = val; \\r
721 if (fd&0x40) s[step_x * 1] = val; \\r
722 if (fd&0x20) s[step_x * 2] = val; \\r
723 if (fd&0x10) s[step_x * 3] = val; \\r
724 if (fd&0x08) s[step_x * 4] = val; \\r
725 if (fd&0x04) s[step_x * 5] = val; \\r
726 if (fd&0x02) s[step_x * 6] = val; \\r
727 if (fd&0x01) s[step_x * 7] = val; \\r
e2de9939 728 } \\r
729 } \\r
ea8c405f 730}\r
731\r
cc41eb4f 732mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r
733mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r
734mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
735 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
736mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
737 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
ea8c405f 738\r
e2de9939 739#undef mk_text_out\r
ea8c405f 740\r
741\r
d34a42f9 742void update_movie(void)\r
ea8c405f 743{\r
744 int offs = Pico.m.frame_count*3 + 0x40;\r
745 if (offs+3 > movie_size) {\r
746 free(movie_data);\r
747 movie_data = 0;\r
b24e0f6c 748 emu_status_msg("END OF MOVIE.");\r
ea8c405f 749 lprintf("END OF MOVIE.\n");\r
ea8c405f 750 } else {\r
751 // MXYZ SACB RLDU\r
752 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
f8af9634 753 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
754 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
755 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
ea8c405f 756 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
f8af9634 757 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
758 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
759 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
ea8c405f 760 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
761 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
762 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
763 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
764 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
765 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
766 }\r
767}\r
768\r
769\r
770static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
771{\r
772 return gzread(file, p, _n);\r
773}\r
774\r
775\r
776static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
777{\r
778 return gzwrite(file, p, _n);\r
779}\r
780\r
781static int try_ropen_file(const char *fname)\r
782{\r
783 FILE *f;\r
784\r
785 f = fopen(fname, "rb");\r
786 if (f) {\r
787 fclose(f);\r
788 return 1;\r
789 }\r
790 return 0;\r
791}\r
792\r
a47dd663 793char *emu_get_save_fname(int load, int is_sram, int slot)\r
ea8c405f 794{\r
795 static char saveFname[512];\r
796 char ext[16];\r
797\r
798 if (is_sram)\r
799 {\r
ca482e5d 800 romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");\r
ea8c405f 801 if (load) {\r
802 if (try_ropen_file(saveFname)) return saveFname;\r
803 // try in current dir..\r
602133e1 804 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
ea8c405f 805 if (try_ropen_file(saveFname)) return saveFname;\r
806 return NULL; // give up\r
807 }\r
808 }\r
809 else\r
810 {\r
811 ext[0] = 0;\r
812 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
ca482e5d 813 strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");\r
ea8c405f 814\r
ca482e5d 815 romfname_ext(saveFname, "mds" PATH_SEP, ext);\r
ea8c405f 816 if (load) {\r
817 if (try_ropen_file(saveFname)) return saveFname;\r
818 romfname_ext(saveFname, NULL, ext);\r
819 if (try_ropen_file(saveFname)) return saveFname;\r
ca482e5d 820 // no gzipped states, search for non-gzipped\r
821 if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)\r
822 {\r
ea8c405f 823 ext[0] = 0;\r
824 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
825 strcat(ext, ".mds");\r
826\r
ca482e5d 827 romfname_ext(saveFname, "mds"PATH_SEP, ext);\r
ea8c405f 828 if (try_ropen_file(saveFname)) return saveFname;\r
829 romfname_ext(saveFname, NULL, ext);\r
830 if (try_ropen_file(saveFname)) return saveFname;\r
831 }\r
832 return NULL;\r
833 }\r
834 }\r
835\r
836 return saveFname;\r
837}\r
838\r
a47dd663 839int emu_check_save_file(int slot)\r
ea8c405f 840{\r
a47dd663 841 return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
ea8c405f 842}\r
843\r
844void emu_setSaveStateCbs(int gz)\r
845{\r
846 if (gz) {\r
847 areaRead = gzRead2;\r
848 areaWrite = gzWrite2;\r
849 areaEof = (areaeof *) gzeof;\r
850 areaSeek = (areaseek *) gzseek;\r
851 areaClose = (areaclose *) gzclose;\r
852 } else {\r
853 areaRead = (arearw *) fread;\r
854 areaWrite = (arearw *) fwrite;\r
855 areaEof = (areaeof *) feof;\r
856 areaSeek = (areaseek *) fseek;\r
857 areaClose = (areaclose *) fclose;\r
858 }\r
859}\r
860\r
a47dd663 861int emu_save_load_game(int load, int sram)\r
ea8c405f 862{\r
863 int ret = 0;\r
864 char *saveFname;\r
865\r
866 // make save filename\r
a47dd663 867 saveFname = emu_get_save_fname(load, sram, state_slot);\r
ea8c405f 868 if (saveFname == NULL) {\r
d34a42f9 869 if (!sram)\r
b24e0f6c 870 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
ea8c405f 871 return -1;\r
872 }\r
873\r
874 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
875\r
da42200b 876 if (sram)\r
877 {\r
ea8c405f 878 FILE *sramFile;\r
879 int sram_size;\r
880 unsigned char *sram_data;\r
881 int truncate = 1;\r
602133e1 882 if (PicoAHW & PAHW_MCD)\r
883 {\r
884 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
ea8c405f 885 sram_size = 0x12000;\r
886 sram_data = SRam.data;\r
887 if (sram_data)\r
888 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
889 } else {\r
890 sram_size = 0x2000;\r
891 sram_data = Pico_mcd->bram;\r
892 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
893 }\r
894 } else {\r
895 sram_size = SRam.end-SRam.start+1;\r
896 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
897 sram_data = SRam.data;\r
898 }\r
899 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
900\r
602133e1 901 if (load)\r
902 {\r
ea8c405f 903 sramFile = fopen(saveFname, "rb");\r
904 if(!sramFile) return -1;\r
905 fread(sram_data, 1, sram_size, sramFile);\r
906 fclose(sramFile);\r
602133e1 907 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
ea8c405f 908 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
909 } else {\r
910 // sram save needs some special processing\r
911 // see if we have anything to save\r
912 for (; sram_size > 0; sram_size--)\r
913 if (sram_data[sram_size-1]) break;\r
914\r
915 if (sram_size) {\r
916 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
917 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
918 if (!sramFile) return -1;\r
919 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
920 ret = (ret != sram_size) ? -1 : 0;\r
921 fclose(sramFile);\r
922#ifndef NO_SYNC\r
923 sync();\r
924#endif\r
925 }\r
926 }\r
927 return ret;\r
928 }\r
929 else\r
930 {\r
931 void *PmovFile = NULL;\r
da42200b 932 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
933 {\r
ea8c405f 934 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
935 emu_setSaveStateCbs(1);\r
da42200b 936 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
ea8c405f 937 }\r
938 }\r
939 else\r
940 {\r
941 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
942 emu_setSaveStateCbs(0);\r
943 }\r
944 }\r
945 if(PmovFile) {\r
946 ret = PmovState(load ? 6 : 5, PmovFile);\r
947 areaClose(PmovFile);\r
948 PmovFile = 0;\r
949 if (load) Pico.m.dirtyPal=1;\r
950#ifndef NO_SYNC\r
951 else sync();\r
952#endif\r
953 }\r
954 else ret = -1;\r
955 if (!ret)\r
54646a39 956 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
ea8c405f 957 else\r
958 {\r
b24e0f6c 959 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ea8c405f 960 ret = -1;\r
961 }\r
962\r
ea8c405f 963 return ret;\r
964 }\r
965}\r
bdec53c9 966\r
a47dd663 967void emu_set_fastforward(int set_on)\r
c060a9ab 968{\r
969 static void *set_PsndOut = NULL;\r
970 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
971\r
972 if (set_on && !is_on) {\r
973 set_PsndOut = PsndOut;\r
974 set_Frameskip = currentConfig.Frameskip;\r
975 set_EmuOpt = currentConfig.EmuOpt;\r
976 PsndOut = NULL;\r
977 currentConfig.Frameskip = 8;\r
978 currentConfig.EmuOpt &= ~4;\r
979 currentConfig.EmuOpt |= 0x40000;\r
980 is_on = 1;\r
b24e0f6c 981 emu_status_msg("FAST FORWARD");\r
c060a9ab 982 }\r
983 else if (!set_on && is_on) {\r
984 PsndOut = set_PsndOut;\r
985 currentConfig.Frameskip = set_Frameskip;\r
986 currentConfig.EmuOpt = set_EmuOpt;\r
987 PsndRerate(1);\r
988 is_on = 0;\r
989 }\r
990}\r
991\r
f2cf8472 992static void emu_msg_tray_open(void)\r
c060a9ab 993{\r
b24e0f6c 994 emu_status_msg("CD tray opened");\r
f2cf8472 995}\r
996\r
997void emu_reset_game(void)\r
998{\r
999 PicoReset();\r
1000 reset_timing = 1;\r
1001}\r
1002\r
1003void run_events_pico(unsigned int events)\r
1004{\r
1005 int lim_x;\r
1006\r
1007 if (events & PEV_PICO_SWINP) {\r
c060a9ab 1008 pico_inp_mode++;\r
d34a42f9 1009 if (pico_inp_mode > 2)\r
1010 pico_inp_mode = 0;\r
c060a9ab 1011 switch (pico_inp_mode) {\r
b24e0f6c 1012 case 2: emu_status_msg("Input: Pen on Pad"); break;\r
1013 case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
1014 case 0: emu_status_msg("Input: Joystick");\r
c060a9ab 1015 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
1016 break;\r
1017 }\r
c060a9ab 1018 }\r
f2cf8472 1019 if (events & PEV_PICO_PPREV) {\r
c060a9ab 1020 PicoPicohw.page--;\r
d34a42f9 1021 if (PicoPicohw.page < 0)\r
1022 PicoPicohw.page = 0;\r
b24e0f6c 1023 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 1024 }\r
f2cf8472 1025 if (events & PEV_PICO_PNEXT) {\r
c060a9ab 1026 PicoPicohw.page++;\r
d34a42f9 1027 if (PicoPicohw.page > 6)\r
1028 PicoPicohw.page = 6;\r
b24e0f6c 1029 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 1030 }\r
f2cf8472 1031\r
1032 if (pico_inp_mode == 0)\r
1033 return;\r
1034\r
1035 /* handle other input modes */\r
1036 if (PicoPad[0] & 1) pico_pen_y--;\r
1037 if (PicoPad[0] & 2) pico_pen_y++;\r
1038 if (PicoPad[0] & 4) pico_pen_x--;\r
1039 if (PicoPad[0] & 8) pico_pen_x++;\r
1040 PicoPad[0] &= ~0x0f; // release UDLR\r
1041\r
1042 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
1043 if (pico_pen_y < 8)\r
1044 pico_pen_y = 8;\r
1045 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r
1046 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r
1047 if (pico_pen_x < 0)\r
1048 pico_pen_x = 0;\r
1049 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r
1050 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r
1051\r
1052 PicoPicohw.pen_pos[0] = pico_pen_x;\r
1053 if (!(Pico.video.reg[12] & 1))\r
1054 PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r
1055 PicoPicohw.pen_pos[0] += 0x3c;\r
1056 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
c060a9ab 1057}\r
1058\r
d34a42f9 1059static void do_turbo(int *pad, int acts)\r
f0f0d2df 1060{\r
1061 static int turbo_pad = 0;\r
1062 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1063 int inc = currentConfig.turbo_rate * 2;\r
1064\r
1065 if (acts & 0x1000) {\r
1066 turbo_cnt[0] += inc;\r
1067 if (turbo_cnt[0] >= 60)\r
1068 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1069 }\r
1070 if (acts & 0x2000) {\r
1071 turbo_cnt[1] += inc;\r
1072 if (turbo_cnt[1] >= 60)\r
1073 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1074 }\r
1075 if (acts & 0x4000) {\r
1076 turbo_cnt[2] += inc;\r
1077 if (turbo_cnt[2] >= 60)\r
1078 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1079 }\r
1080 *pad |= turbo_pad & (acts >> 8);\r
1081}\r
c060a9ab 1082\r
f2cf8472 1083static void run_events_ui(unsigned int which)\r
d34a42f9 1084{\r
1085 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
1086 {\r
1087 int do_it = 1;\r
a47dd663 1088 if ( emu_check_save_file(state_slot) &&\r
d34a42f9 1089 (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||\r
1090 ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )\r
1091 {\r
1092 const char *nm;\r
1093 char tmp[64];\r
1094 int keys, len;\r
1095\r
1096 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r
1097 len = strlen(tmp);\r
1098 nm = in_get_key_name(-1, -PBTN_MA3);\r
1099 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
1100 len = strlen(tmp);\r
1101 nm = in_get_key_name(-1, -PBTN_MBACK);\r
1102 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
1103\r
1104 plat_status_msg_busy_first(tmp);\r
1105\r
1106 in_set_blocking(1);\r
1107 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r
1108 ;\r
1109 while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )\r
1110 ;\r
1111 if (keys & PBTN_MBACK)\r
1112 do_it = 0;\r
1113 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r
1114 ;\r
1115 in_set_blocking(0);\r
1116 }\r
1117 if (do_it) {\r
54646a39 1118 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
d34a42f9 1119 PicoStateProgressCB = plat_status_msg_busy_next;\r
a47dd663 1120 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
d34a42f9 1121 PicoStateProgressCB = NULL;\r
1122 }\r
1123 }\r
1124 if (which & PEV_SWITCH_RND)\r
1125 {\r
d90f5bd7 1126 plat_video_toggle_renderer(1, 0);\r
d34a42f9 1127 }\r
1128 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
1129 {\r
1130 if (which & PEV_SSLOT_PREV) {\r
1131 state_slot -= 1;\r
1132 if (state_slot < 0)\r
1133 state_slot = 9;\r
1134 } else {\r
1135 state_slot += 1;\r
1136 if (state_slot > 9)\r
1137 state_slot = 0;\r
1138 }\r
1139\r
b24e0f6c 1140 emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
a47dd663 1141 emu_check_save_file(state_slot) ? "USED" : "FREE");\r
d34a42f9 1142 }\r
1143 if (which & PEV_MENU)\r
1144 engineState = PGS_Menu;\r
1145}\r
1146\r
1147void emu_update_input(void)\r
1148{\r
093b8a42 1149 static int prev_events = 0;\r
1150 int actions[IN_BINDTYPE_COUNT] = { 0, };\r
1151 int pl_actions[2];\r
1152 int events;\r
d34a42f9 1153\r
093b8a42 1154 in_update(actions);\r
d34a42f9 1155\r
093b8a42 1156 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
1157 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
d34a42f9 1158\r
093b8a42 1159 PicoPad[0] = pl_actions[0] & 0xfff;\r
1160 PicoPad[1] = pl_actions[1] & 0xfff;\r
d34a42f9 1161\r
093b8a42 1162 if (pl_actions[0] & 0x7000)\r
1163 do_turbo(&PicoPad[0], pl_actions[0]);\r
1164 if (pl_actions[1] & 0x7000)\r
1165 do_turbo(&PicoPad[1], pl_actions[1]);\r
1166\r
1167 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1168\r
1169 // volume is treated in special way and triggered every frame\r
1170 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
1171 plat_update_volume(1, events & PEV_VOL_UP);\r
1172\r
093b8a42 1173 if ((events ^ prev_events) & PEV_FF) {\r
a47dd663 1174 emu_set_fastforward(events & PEV_FF);\r
d34a42f9 1175 plat_update_volume(0, 0);\r
f2cf8472 1176 reset_timing = 1;\r
d34a42f9 1177 }\r
1178\r
093b8a42 1179 events &= ~prev_events;\r
d34a42f9 1180\r
f2cf8472 1181 if (PicoAHW == PAHW_PICO)\r
1182 run_events_pico(events);\r
d34a42f9 1183 if (events)\r
f2cf8472 1184 run_events_ui(events);\r
d34a42f9 1185 if (movie_data)\r
1186 update_movie();\r
1187\r
093b8a42 1188 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1189}\r
1190\r
f2cf8472 1191static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
1192{\r
1193 strcpy(path_with_reserve + pos, name);\r
1194 if (plat_is_dir(path_with_reserve))\r
1195 return;\r
1196 if (mkdir(path_with_reserve, 0777) < 0)\r
1197 lprintf("failed to create: %s\n", path_with_reserve);\r
1198}\r
1199\r
1200void emu_init(void)\r
1201{\r
27701801 1202 char path[512];\r
f2cf8472 1203 int pos;\r
1204\r
1205 /* make dirs for saves */\r
27701801 1206 pos = plat_get_root_dir(path, sizeof(path) - 4);\r
1207 mkdir_path(path, pos, "mds");\r
1208 mkdir_path(path, pos, "srm");\r
1209 mkdir_path(path, pos, "brm");\r
1210\r
1211 make_config_cfg(path);\r
1212 config_readlrom(path);\r
f2cf8472 1213\r
1214 PicoInit();\r
1215 PicoMessage = plat_status_msg_busy_next;\r
1216 PicoMCDopenTray = emu_msg_tray_open;\r
1217 PicoMCDcloseTray = menu_loop_tray;\r
1218}\r
1219\r
1220void emu_finish(void)\r
1221{\r
1222 // save SRAM\r
a47dd663 1223 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1224 emu_save_load_game(0, 1);\r
f2cf8472 1225 SRam.changed = 0;\r
1226 }\r
1227\r
27701801 1228 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
1229 char cfg[512];\r
1230 make_config_cfg(cfg);\r
1231 config_writelrom(cfg);\r
1232#ifndef NO_SYNC\r
1233 sync();\r
1234#endif\r
1235 }\r
f2cf8472 1236\r
1237 PicoExit();\r
1238}\r
1239\r
b24e0f6c 1240static void skip_frame(int do_audio)\r
1241{\r
1242 PicoSkipFrame = do_audio ? 1 : 2;\r
1243 PicoFrame();\r
1244 PicoSkipFrame = 0;\r
1245}\r
1246\r
1247/* our tick here is 1 us right now */\r
1248#define ms_to_ticks(x) (unsigned int)(x * 1000)\r
1249#define get_ticks() plat_get_ticks_us()\r
1250\r
1251void emu_loop(void)\r
1252{\r
1253 int pframes_done; /* "period" frames, used for sync */\r
1254 int frames_done, frames_shown; /* actual frames for fps counter */\r
1255 int oldmodes, target_fps, target_frametime;\r
1256 unsigned int timestamp_base = 0, timestamp_fps;\r
1257 char *notice_msg = NULL;\r
1258 char fpsbuff[24];\r
1259 int i;\r
1260\r
1261 fpsbuff[0] = 0;\r
1262\r
1263 /* make sure we are in correct mode */\r
1264 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
1265 Pico.m.dirtyPal = 1;\r
1266\r
1267 /* number of ticks per frame */\r
1268 if (Pico.m.pal) {\r
1269 target_fps = 50;\r
1270 target_frametime = ms_to_ticks(1000) / 50;\r
1271 } else {\r
1272 target_fps = 60;\r
1273 target_frametime = ms_to_ticks(1000) / 60 + 1;\r
1274 }\r
1275\r
1276 // prepare CD buffer\r
1277 if (PicoAHW & PAHW_MCD)\r
1278 PicoCDBufferInit();\r
1279\r
b24e0f6c 1280 pemu_loop_prep();\r
1281\r
1282 timestamp_fps = get_ticks();\r
1283 reset_timing = 1;\r
1284\r
1285 frames_done = frames_shown = pframes_done = 0;\r
1286\r
7b436906 1287 plat_video_wait_vsync();\r
1288\r
b24e0f6c 1289 /* loop with resync every 1 sec. */\r
1290 while (engineState == PGS_Running)\r
1291 {\r
1292 unsigned int timestamp;\r
1293 int diff, diff_lim;\r
1294 int modes;\r
1295\r
1296 timestamp = get_ticks();\r
1297 if (reset_timing) {\r
1298 reset_timing = 0;\r
1299 timestamp_base = timestamp;\r
1300 pframes_done = 0;\r
1301 }\r
1302\r
1303 // show notice_msg message?\r
1304 if (notice_msg_time != 0)\r
1305 {\r
1306 static int noticeMsgSum;\r
54646a39 1307 if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r
b24e0f6c 1308 notice_msg_time = 0;\r
1309 plat_status_msg_clear();\r
1310 notice_msg = NULL;\r
1311 } else {\r
1312 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
1313 if (sum != noticeMsgSum) {\r
1314 plat_status_msg_clear();\r
1315 noticeMsgSum = sum;\r
1316 }\r
1317 notice_msg = noticeMsg;\r
1318 }\r
1319 }\r
1320\r
1321 // check for mode changes\r
1322 modes = ((Pico.video.reg[12]&1)<<2) | (Pico.video.reg[1]&8);\r
1323 if (modes != oldmodes) {\r
1324 oldmodes = modes;\r
1325 pemu_video_mode_change(!(modes & 4), (modes & 8));\r
1326 }\r
1327\r
1328 // second changed?\r
1329 if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r
1330 {\r
1331#ifdef BENCHMARK\r
1332 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1333 if (++bench == 10) {\r
1334 bench = 0;\r
1335 bench_fps_s = bench_fps;\r
1336 bf[bfp++ & 3] = bench_fps;\r
1337 bench_fps = 0;\r
1338 }\r
1339 bench_fps += frames_shown;\r
1340 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
1341#else\r
1342 if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r
1343 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1344 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
1345 }\r
1346#endif\r
1347 frames_shown = frames_done = 0;\r
1348 timestamp_fps += ms_to_ticks(1000);\r
1349 }\r
1350#ifdef PFRAMES\r
1351 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1352#endif\r
1353\r
1354 if (timestamp - timestamp_base >= ms_to_ticks(1000))\r
1355 {\r
21ecaf23 1356 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r
b24e0f6c 1357 pframes_done = 0;\r
21ecaf23 1358 else {\r
b24e0f6c 1359 pframes_done -= target_fps;\r
21ecaf23 1360 /* don't allow it to drift during heavy slowdowns */\r
54646a39 1361 if (pframes_done < -5) {\r
1362 reset_timing = 1;\r
1363 continue;\r
1364 }\r
21ecaf23 1365 if (pframes_done < -2)\r
1366 pframes_done = -2;\r
1367 }\r
b24e0f6c 1368 timestamp_base += ms_to_ticks(1000);\r
1369 }\r
1370\r
1371 diff = timestamp - timestamp_base;\r
1372 diff_lim = (pframes_done + 1) * target_frametime;\r
1373\r
1374 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
1375 {\r
1376 for (i = 0; i < currentConfig.Frameskip; i++) {\r
1377 emu_update_input();\r
1378 skip_frame(1);\r
1379 pframes_done++; frames_done++;\r
1380 diff_lim += target_frametime;\r
1381\r
21ecaf23 1382 if (!(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT)) {\r
b24e0f6c 1383 timestamp = get_ticks();\r
1384 diff = timestamp - timestamp_base;\r
1385 if (diff < diff_lim) // we are too fast\r
1386 plat_wait_till_us(timestamp_base + diff_lim);\r
1387 }\r
1388 }\r
1389 }\r
1390 else if (diff > diff_lim)\r
1391 {\r
1392 /* no time left for this frame - skip */\r
54646a39 1393 if (diff - diff_lim >= ms_to_ticks(200)) {\r
b24e0f6c 1394 /* if too much behind, reset instead */\r
1395 reset_timing = 1;\r
1396 continue;\r
1397 }\r
1398 emu_update_input();\r
1399 skip_frame(diff < diff_lim + target_frametime * 2);\r
1400 pframes_done++; frames_done++;\r
1401 continue;\r
1402 }\r
1403\r
1404 emu_update_input();\r
1405 PicoFrame();\r
1406\r
1407 /* frame limiter */\r
21ecaf23 1408 if (!reset_timing && !(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT))\r
b24e0f6c 1409 {\r
1410 timestamp = get_ticks();\r
1411 diff = timestamp - timestamp_base;\r
1412\r
1413 // sleep or vsync if we are still too fast\r
1414 if (diff < diff_lim)\r
1415 {\r
1416 // we are too fast\r
7b436906 1417 plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r
1418 if (currentConfig.EmuOpt & EOPT_VSYNC)\r
b24e0f6c 1419 plat_video_wait_vsync();\r
b24e0f6c 1420 }\r
1421 }\r
1422\r
1423 pemu_update_display(fpsbuff, notice_msg);\r
1424\r
1425 pframes_done++; frames_done++; frames_shown++;\r
1426 }\r
1427\r
1428 emu_set_fastforward(0);\r
1429\r
b24e0f6c 1430 // save SRAM\r
1431 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1432 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
1433 emu_save_load_game(0, 1);\r
1434 SRam.changed = 0;\r
1435 }\r
1436\r
b24e0f6c 1437 pemu_loop_end();\r
730259b7 1438\r
1439 // pemu_loop_end() might want to do 1 frame for bg image,\r
1440 // so free CD buffer here\r
1441 if (PicoAHW & PAHW_MCD)\r
1442 PicoCDBufferFree();\r
b24e0f6c 1443}\r
1444\r
fast MegaDrive/MegaCD/32X emulator