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