fix Wiz timer drift and button name
[picodrive.git] / platform / common / emu.c
CommitLineData
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
e2de9939 28void *g_screen_ptr;\r
29\r
30#if !SCREEN_SIZE_FIXED\r
31int g_screen_width = SCREEN_WIDTH;\r
32int g_screen_height = SCREEN_HEIGHT;\r
33#endif\r
34\r
c46ffd31 35char *PicoConfigFile = "config.cfg";\r
58c86d00 36currentConfig_t currentConfig, defaultConfig;\r
ea8c405f 37int state_slot = 0;\r
38int config_slot = 0, config_slot_current = 0;\r
f2cf8472 39int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
c060a9ab 40int pico_inp_mode = 0;\r
713c9224 41int engineState = PGS_Menu;\r
42\r
43/* TODO: len checking */\r
44char rom_fname_reload[512] = { 0, };\r
45char rom_fname_loaded[512] = { 0, };\r
46int rom_loaded = 0;\r
f2cf8472 47int reset_timing = 0;\r
b24e0f6c 48static unsigned int notice_msg_time; /* when started showing */\r
49static char noticeMsg[40];\r
ea8c405f 50\r
51unsigned char *movie_data = NULL;\r
52static int movie_size = 0;\r
53\r
ea8c405f 54\r
ee2a3bdf 55/* don't use tolower() for easy old glibc binary compatibility */\r
f8af9634 56static void strlwr_(char *string)\r
ea8c405f 57{\r
f8af9634 58 char *p;\r
59 for (p = string; *p; p++)\r
ee2a3bdf 60 if ('A' <= *p && *p <= 'Z')\r
61 *p += 'a' - 'A';\r
ea8c405f 62}\r
63\r
ca482e5d 64static int try_rfn_cut(char *fname)\r
ea8c405f 65{\r
66 FILE *tmp;\r
67 char *p;\r
68\r
ca482e5d 69 p = fname + strlen(fname) - 1;\r
70 for (; p > fname; p--)\r
ea8c405f 71 if (*p == '.') break;\r
72 *p = 0;\r
73\r
ca482e5d 74 if((tmp = fopen(fname, "rb"))) {\r
ea8c405f 75 fclose(tmp);\r
76 return 1;\r
77 }\r
78 return 0;\r
79}\r
80\r
81static void get_ext(char *file, char *ext)\r
82{\r
83 char *p;\r
84\r
85 p = file + strlen(file) - 4;\r
86 if (p < file) p = file;\r
87 strncpy(ext, p, 4);\r
88 ext[4] = 0;\r
89 strlwr_(ext);\r
90}\r
91\r
b24e0f6c 92void emu_status_msg(const char *format, ...)\r
93{\r
94 va_list vl;\r
95\r
96 va_start(vl, format);\r
97 vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
98 va_end(vl);\r
99\r
100 notice_msg_time = plat_get_ticks_ms();\r
101}\r
102\r
a47dd663 103static const char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
104static const char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
105static const char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
ea8c405f 106\r
a47dd663 107static int find_bios(int region, char **bios_file)\r
ea8c405f 108{\r
109 static char bios_path[1024];\r
110 int i, count;\r
a47dd663 111 const char **files;\r
ea8c405f 112 FILE *f = NULL;\r
113\r
114 if (region == 4) { // US\r
115 files = biosfiles_us;\r
116 count = sizeof(biosfiles_us) / sizeof(char *);\r
117 } else if (region == 8) { // EU\r
118 files = biosfiles_eu;\r
119 count = sizeof(biosfiles_eu) / sizeof(char *);\r
120 } else if (region == 1 || region == 2) {\r
121 files = biosfiles_jp;\r
122 count = sizeof(biosfiles_jp) / sizeof(char *);\r
123 } else {\r
124 return 0;\r
125 }\r
126\r
127 for (i = 0; i < count; i++)\r
128 {\r
27701801 129 emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);\r
ea8c405f 130 strcat(bios_path, ".bin");\r
131 f = fopen(bios_path, "rb");\r
132 if (f) break;\r
133\r
134 bios_path[strlen(bios_path) - 4] = 0;\r
135 strcat(bios_path, ".zip");\r
136 f = fopen(bios_path, "rb");\r
137 if (f) break;\r
138 }\r
139\r
140 if (f) {\r
141 lprintf("using bios: %s\n", bios_path);\r
142 fclose(f);\r
143 if (bios_file) *bios_file = bios_path;\r
144 return 1;\r
145 } else {\r
c6c6c9cd 146 sprintf(bios_path, "no %s BIOS files found, read docs",\r
ea8c405f 147 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
c6c6c9cd 148 me_update_msg(bios_path);\r
ea8c405f 149 return 0;\r
150 }\r
151}\r
152\r
c6196c0f 153/* check if the name begins with BIOS name */\r
1ca2ea4f 154/*\r
c6196c0f 155static int emu_isBios(const char *name)\r
156{\r
157 int i;\r
158 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
159 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
160 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
161 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
162 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
163 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
164 return 0;\r
165}\r
1ca2ea4f 166*/\r
c6196c0f 167\r
1ca2ea4f 168static unsigned char id_header[0x100];\r
58c86d00 169\r
ca482e5d 170/* checks if fname points to valid MegaCD image\r
ea8c405f 171 * if so, checks for suitable BIOS */\r
a47dd663 172int emu_cd_check(int *pregion, char *fname_in)\r
ea8c405f 173{\r
174 unsigned char buf[32];\r
175 pm_file *cd_f;\r
9037e45d 176 int region = 4; // 1: Japan, 4: US, 8: Europe\r
ca482e5d 177 char ext[5], *fname = fname_in;\r
9037e45d 178 cue_track_type type = CT_UNKNOWN;\r
179 cue_data_t *cue_data = NULL;\r
b923ecbe 180\r
ca482e5d 181 get_ext(fname_in, ext);\r
9037e45d 182 if (strcasecmp(ext, ".cue") == 0) {\r
ca482e5d 183 cue_data = cue_parse(fname_in);\r
9037e45d 184 if (cue_data != NULL) {\r
185 fname = cue_data->tracks[1].fname;\r
186 type = cue_data->tracks[1].type;\r
187 }\r
f9f40f10 188 else\r
189 return -1;\r
9037e45d 190 }\r
191\r
192 cd_f = pm_open(fname);\r
193 if (cue_data != NULL)\r
194 cue_destroy(cue_data);\r
ea8c405f 195\r
f9f40f10 196 if (cd_f == NULL) return 0; // let the upper level handle this\r
ea8c405f 197\r
198 if (pm_read(buf, 32, cd_f) != 32) {\r
199 pm_close(cd_f);\r
f9f40f10 200 return -1;\r
ea8c405f 201 }\r
202\r
9037e45d 203 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r
204 if (type && type != CT_ISO)\r
205 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
206 type = CT_ISO; // Sega CD (ISO)\r
207 }\r
208 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r
209 if (type && type != CT_BIN)\r
210 elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r
211 type = CT_BIN; // Sega CD (BIN)\r
212 }\r
213\r
214 if (type == CT_UNKNOWN) {\r
ea8c405f 215 pm_close(cd_f);\r
216 return 0;\r
217 }\r
218\r
9037e45d 219 pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r
1ca2ea4f 220 pm_read(id_header, sizeof(id_header), cd_f);\r
58c86d00 221\r
ea8c405f 222 /* it seems we have a CD image here. Try to detect region now.. */\r
9037e45d 223 pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
ea8c405f 224 pm_read(buf, 1, cd_f);\r
225 pm_close(cd_f);\r
226\r
227 if (buf[0] == 0x64) region = 8; // EU\r
228 if (buf[0] == 0xa1) region = 1; // JAP\r
229\r
230 lprintf("detected %s Sega/Mega CD image with %s region\n",\r
9037e45d 231 type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
ea8c405f 232\r
233 if (pregion != NULL) *pregion = region;\r
234\r
235 return type;\r
236}\r
237\r
7a87643e 238static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
58c86d00 239{\r
240 char *p = dest;\r
241 int i;\r
242\r
243 if (swab) swab = 1;\r
244\r
245 for (i = len - 1; i >= 0; i--)\r
246 {\r
247 if (src[i^swab] != ' ') break;\r
248 }\r
249 len = i + 1;\r
250\r
251 for (i = 0; i < len; i++)\r
252 {\r
253 unsigned char s = src[i^swab];\r
254 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
255 s != '[' && s != ']' && s != '\\')\r
256 {\r
257 *p++ = s;\r
258 }\r
259 else\r
260 {\r
261 sprintf(p, "\\%02x", s);\r
262 p += 3;\r
263 }\r
264 }\r
265\r
266 return p - dest;\r
267}\r
268\r
a47dd663 269static char *emu_make_rom_id(void)\r
58c86d00 270{\r
ca482e5d 271 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
bdec53c9 272 int pos, swab = 1;\r
58c86d00 273\r
602133e1 274 if (PicoAHW & PAHW_MCD) {\r
bdec53c9 275 strcpy(id_string, "CD|");\r
276 swab = 0;\r
277 }\r
1ca2ea4f 278 else strcpy(id_string, "MD|");\r
58c86d00 279 pos = 3;\r
280\r
bdec53c9 281 pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r
58c86d00 282 id_string[pos] = '|'; pos++;\r
bdec53c9 283 pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r
58c86d00 284 id_string[pos] = '|'; pos++;\r
bdec53c9 285 pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r
58c86d00 286 id_string[pos] = 0;\r
287\r
58c86d00 288 return id_string;\r
289}\r
290\r
ca482e5d 291// buffer must be at least 150 byte long\r
a47dd663 292void emu_get_game_name(char *str150)\r
ca482e5d 293{\r
294 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
295 char *s, *d;\r
296\r
297 ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r
298\r
299 for (s = d = str150 + 1; s < str150+ret; s++)\r
300 {\r
301 if (*s == 0) break;\r
302 if (*s != ' ' || d[-1] != ' ')\r
303 *d++ = *s;\r
304 }\r
305 *d = 0;\r
306}\r
307\r
a47dd663 308static void shutdown_MCD(void)\r
309{\r
310 if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r
311 Stop_CD();\r
312 PicoAHW &= ~PAHW_MCD;\r
313}\r
314\r
ca482e5d 315// note: this function might mangle rom_fname\r
a47dd663 316int emu_reload_rom(char *rom_fname)\r
ea8c405f 317{\r
318 unsigned int rom_size = 0;\r
ca482e5d 319 char *used_rom_name = rom_fname;\r
eacee137 320 unsigned char *rom_data = NULL;\r
ea8c405f 321 char ext[5];\r
f9f40f10 322 pm_file *rom = NULL;\r
ea8c405f 323 int ret, cd_state, cd_region, cfg_loaded = 0;\r
324\r
ca482e5d 325 lprintf("emu_ReloadRom(%s)\n", rom_fname);\r
ea8c405f 326\r
ca482e5d 327 get_ext(rom_fname, ext);\r
ea8c405f 328\r
329 // detect wrong extensions\r
eacee137 330 if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
c6c6c9cd 331 me_update_msg("Not a ROM/CD selected.");\r
ea8c405f 332 return 0;\r
333 }\r
334\r
335 PicoPatchUnload();\r
336\r
337 // check for movie file\r
eacee137 338 if (movie_data) {\r
ea8c405f 339 free(movie_data);\r
340 movie_data = 0;\r
341 }\r
2d2247c2 342 if (!strcmp(ext, ".gmv"))\r
343 {\r
ea8c405f 344 // check for both gmv and rom\r
345 int dummy;\r
ca482e5d 346 FILE *movie_file = fopen(rom_fname, "rb");\r
ea8c405f 347 if(!movie_file) {\r
c6c6c9cd 348 me_update_msg("Failed to open movie.");\r
ea8c405f 349 return 0;\r
350 }\r
351 fseek(movie_file, 0, SEEK_END);\r
352 movie_size = ftell(movie_file);\r
353 fseek(movie_file, 0, SEEK_SET);\r
354 if(movie_size < 64+3) {\r
c6c6c9cd 355 me_update_msg("Invalid GMV file.");\r
ea8c405f 356 fclose(movie_file);\r
357 return 0;\r
358 }\r
359 movie_data = malloc(movie_size);\r
360 if(movie_data == NULL) {\r
c6c6c9cd 361 me_update_msg("low memory.");\r
ea8c405f 362 fclose(movie_file);\r
363 return 0;\r
364 }\r
365 fread(movie_data, 1, movie_size, movie_file);\r
366 fclose(movie_file);\r
367 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
c6c6c9cd 368 me_update_msg("Invalid GMV file.");\r
ea8c405f 369 return 0;\r
370 }\r
ca482e5d 371 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 372 if (!dummy) {\r
c6c6c9cd 373 me_update_msg("Could't find a ROM for movie.");\r
ea8c405f 374 return 0;\r
375 }\r
ca482e5d 376 get_ext(rom_fname, ext);\r
f8af9634 377 lprintf("gmv loaded for %s\n", rom_fname);\r
ea8c405f 378 }\r
ca482e5d 379 else if (!strcmp(ext, ".pat"))\r
380 {\r
ea8c405f 381 int dummy;\r
ca482e5d 382 PicoPatchLoad(rom_fname);\r
383 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 384 if (!dummy) {\r
c6c6c9cd 385 me_update_msg("Could't find a ROM to patch.");\r
ea8c405f 386 return 0;\r
387 }\r
ca482e5d 388 get_ext(rom_fname, ext);\r
ea8c405f 389 }\r
390\r
a47dd663 391 shutdown_MCD();\r
ea8c405f 392\r
393 // check for MegaCD image\r
a47dd663 394 cd_state = emu_cd_check(&cd_region, rom_fname);\r
f9f40f10 395 if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r
ea8c405f 396 {\r
602133e1 397 PicoAHW |= PAHW_MCD;\r
ea8c405f 398 // valid CD image, check for BIOS..\r
399\r
400 // we need to have config loaded at this point\r
a47dd663 401 ret = emu_read_config(1, 1);\r
402 if (!ret) emu_read_config(0, 1);\r
ea8c405f 403 cfg_loaded = 1;\r
404\r
405 if (PicoRegionOverride) {\r
406 cd_region = PicoRegionOverride;\r
407 lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
408 }\r
a47dd663 409 if (!find_bios(cd_region, &used_rom_name)) {\r
602133e1 410 PicoAHW &= ~PAHW_MCD;\r
ea8c405f 411 return 0;\r
412 }\r
413\r
ea8c405f 414 get_ext(used_rom_name, ext);\r
415 }\r
416 else\r
417 {\r
602133e1 418 if (PicoAHW & PAHW_MCD) Stop_CD();\r
419 PicoAHW &= ~PAHW_MCD;\r
ea8c405f 420 }\r
421\r
422 rom = pm_open(used_rom_name);\r
eacee137 423 if (!rom) {\r
c6c6c9cd 424 me_update_msg("Failed to open ROM/CD image");\r
f9f40f10 425 goto fail;\r
426 }\r
427\r
428 if (cd_state < 0) {\r
c6c6c9cd 429 me_update_msg("Invalid CD image");\r
f9f40f10 430 goto fail;\r
ea8c405f 431 }\r
432\r
4b167c12 433 menu_romload_prepare(used_rom_name); // also CD load\r
ea8c405f 434\r
eacee137 435 PicoCartUnload();\r
436 rom_loaded = 0;\r
ea8c405f 437\r
eacee137 438 if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
c6c6c9cd 439 if (ret == 2) me_update_msg("Out of memory");\r
440 else if (ret == 3) me_update_msg("Read failed");\r
441 else me_update_msg("PicoCartLoad() failed.");\r
f9f40f10 442 goto fail2;\r
ea8c405f 443 }\r
444 pm_close(rom);\r
f9f40f10 445 rom = NULL;\r
ea8c405f 446\r
447 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
eacee137 448 if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
ea8c405f 449 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
450 if (rom_data) free(rom_data);\r
c6c6c9cd 451 me_update_msg("Not a ROM selected.");\r
f9f40f10 452 goto fail2;\r
ea8c405f 453 }\r
454\r
455 // load config for this ROM (do this before insert to get correct region)\r
602133e1 456 if (!(PicoAHW & PAHW_MCD))\r
1ca2ea4f 457 memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r
ea8c405f 458 if (!cfg_loaded) {\r
a47dd663 459 ret = emu_read_config(1, 1);\r
460 if (!ret) emu_read_config(0, 1);\r
ea8c405f 461 }\r
462\r
463 lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
eacee137 464 if (PicoCartInsert(rom_data, rom_size)) {\r
c6c6c9cd 465 me_update_msg("Failed to load ROM.");\r
f9f40f10 466 goto fail2;\r
ea8c405f 467 }\r
468\r
ea8c405f 469 // insert CD if it was detected\r
b923ecbe 470 if (cd_state != CIT_NOT_CD) {\r
ca482e5d 471 ret = Insert_CD(rom_fname, cd_state);\r
ea8c405f 472 if (ret != 0) {\r
c6c6c9cd 473 me_update_msg("Insert_CD() failed, invalid CD image?");\r
f9f40f10 474 goto fail2;\r
ea8c405f 475 }\r
476 }\r
477\r
4b167c12 478 menu_romload_end();\r
479\r
ea8c405f 480 if (PicoPatches) {\r
481 PicoPatchPrepare();\r
482 PicoPatchApply();\r
483 }\r
484\r
485 // additional movie stuff\r
f9f40f10 486 if (movie_data)\r
487 {\r
488 if (movie_data[0x14] == '6')\r
602133e1 489 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
490 else PicoOpt &= ~POPT_6BTN_PAD;\r
2aa27095 491 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 492 if (movie_data[0xF] >= 'A') {\r
493 if (movie_data[0x16] & 0x80) {\r
ea8c405f 494 PicoRegionOverride = 8;\r
495 } else {\r
496 PicoRegionOverride = 4;\r
497 }\r
1cb1584b 498 PicoReset();\r
ea8c405f 499 // TODO: bits 6 & 5\r
500 }\r
501 movie_data[0x18+30] = 0;\r
b24e0f6c 502 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
ea8c405f 503 }\r
504 else\r
505 {\r
602133e1 506 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
b24e0f6c 507 emu_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");\r
ea8c405f 508 }\r
ea8c405f 509\r
510 // load SRAM for this ROM\r
a47dd663 511 if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
512 emu_save_load_game(1, 1);\r
ea8c405f 513\r
713c9224 514 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
515 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
eacee137 516 rom_loaded = 1;\r
ea8c405f 517 return 1;\r
f9f40f10 518\r
519fail2:\r
520 menu_romload_end();\r
521fail:\r
522 if (rom != NULL) pm_close(rom);\r
523 return 0;\r
ea8c405f 524}\r
525\r
ea8c405f 526static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
527{\r
528 char *p;\r
529 int prefix_len = 0;\r
530\r
531 // make save filename\r
713c9224 532 p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;\r
533 for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r
ea8c405f 534 *dst = 0;\r
535 if (prefix) {\r
f2cf8472 536 int len = plat_get_root_dir(dst, 512);\r
ca482e5d 537 strcpy(dst + len, prefix);\r
538 prefix_len = len + strlen(prefix);\r
ea8c405f 539 }\r
ca482e5d 540#ifdef UIQ3\r
713c9224 541 else p = rom_fname_loaded; // backward compatibility\r
ca482e5d 542#endif\r
ea8c405f 543 strncpy(dst + prefix_len, p, 511-prefix_len);\r
544 dst[511-8] = 0;\r
545 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
546 if (ext) strcat(dst, ext);\r
547}\r
548\r
27701801 549void emu_make_path(char *buff, const char *end, int size)\r
08fe8094 550{\r
27701801 551 int pos, end_len;\r
552\r
553 end_len = strlen(end);\r
554 pos = plat_get_root_dir(buff, size);\r
555 strncpy(buff + pos, end, size - pos);\r
556 buff[size - 1] = 0;\r
557 if (pos + end_len > size - 1)\r
558 lprintf("Warning: path truncated: %s\n", buff);\r
559}\r
560\r
561static void make_config_cfg(char *cfg_buff_512)\r
562{\r
563 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
08fe8094 564 if (config_slot != 0)\r
565 {\r
27701801 566 char *p = strrchr(cfg_buff_512, '.');\r
567 if (p == NULL)\r
568 p = cfg_buff_512 + strlen(cfg_buff_512);\r
08fe8094 569 sprintf(p, ".%i.cfg", config_slot);\r
570 }\r
27701801 571 cfg_buff_512[511] = 0;\r
08fe8094 572}\r
573\r
d90f5bd7 574void emu_set_defconfig(void)\r
ca482e5d 575{\r
a47dd663 576 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
ca482e5d 577 PicoOpt = currentConfig.s_PicoOpt;\r
578 PsndRate = currentConfig.s_PsndRate;\r
579 PicoRegionOverride = currentConfig.s_PicoRegion;\r
580 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
581 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
582}\r
583\r
a47dd663 584int emu_read_config(int game, int no_defaults)\r
ea8c405f 585{\r
58c86d00 586 char cfg[512];\r
58c86d00 587 int ret;\r
ea8c405f 588\r
589 if (!game)\r
590 {\r
591 if (!no_defaults)\r
d90f5bd7 592 emu_set_defconfig();\r
08fe8094 593 make_config_cfg(cfg);\r
58c86d00 594 ret = config_readsect(cfg, NULL);\r
ea8c405f 595 }\r
58c86d00 596 else\r
597 {\r
a47dd663 598 char *sect = emu_make_rom_id();\r
ea8c405f 599\r
58c86d00 600 // try new .cfg way\r
601 if (config_slot != 0)\r
602 sprintf(cfg, "game.%i.cfg", config_slot);\r
603 else strcpy(cfg, "game.cfg");\r
1ca2ea4f 604\r
605 ret = -1;\r
08fe8094 606 if (config_havesect(cfg, sect))\r
607 {\r
608 // read user's config\r
7b802576 609 int vol = currentConfig.volume;\r
d90f5bd7 610 emu_set_defconfig();\r
1ca2ea4f 611 ret = config_readsect(cfg, sect);\r
7b802576 612 currentConfig.volume = vol; // make vol global (bah)\r
1ca2ea4f 613 }\r
a39b7867 614 else\r
08fe8094 615 {\r
616 // read global config, and apply game_def.cfg on top\r
617 make_config_cfg(cfg);\r
618 config_readsect(cfg, NULL);\r
619 ret = config_readsect("game_def.cfg", sect);\r
620 }\r
58c86d00 621\r
ca482e5d 622 if (ret == 0)\r
58c86d00 623 {\r
1ca2ea4f 624 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
58c86d00 625 }\r
ea8c405f 626 }\r
58c86d00 627\r
ee2a3bdf 628 plat_validate_config();\r
629\r
ea8c405f 630 // some sanity checks\r
2445b7cb 631#ifdef PSP\r
ee2a3bdf 632 /* TODO: mv to plat_validate_config() */\r
633 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
2445b7cb 634 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
6fc57144 635 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
2445b7cb 636#endif\r
ee2a3bdf 637 if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
638 currentConfig.volume = 50;\r
639\r
640 if (ret == 0)\r
641 config_slot_current = config_slot;\r
991473ad 642\r
58c86d00 643 return (ret == 0);\r
ea8c405f 644}\r
645\r
646\r
a47dd663 647int emu_write_config(int is_game)\r
ea8c405f 648{\r
58c86d00 649 char cfg[512], *game_sect = NULL;\r
650 int ret, write_lrom = 0;\r
ea8c405f 651\r
58c86d00 652 if (!is_game)\r
ea8c405f 653 {\r
ca482e5d 654 make_config_cfg(cfg);\r
58c86d00 655 write_lrom = 1;\r
ea8c405f 656 } else {\r
657 if (config_slot != 0)\r
58c86d00 658 sprintf(cfg, "game.%i.cfg", config_slot);\r
659 else strcpy(cfg, "game.cfg");\r
a47dd663 660 game_sect = emu_make_rom_id();\r
661 lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r
ea8c405f 662 }\r
663\r
a47dd663 664 lprintf("emu_write_config: %s ", cfg);\r
58c86d00 665 ret = config_writesect(cfg, game_sect);\r
1ca2ea4f 666 if (write_lrom) config_writelrom(cfg);\r
ea8c405f 667#ifndef NO_SYNC\r
58c86d00 668 sync();\r
ea8c405f 669#endif\r
58c86d00 670 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 671\r
58c86d00 672 if (ret == 0) config_slot_current = config_slot;\r
673 return ret == 0;\r
ea8c405f 674}\r
675\r
676\r
e2de9939 677/* always using built-in font */\r
678\r
cc41eb4f 679#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
e2de9939 680void name(int x, int y, const char *text) \\r
681{ \\r
682 int i, l, len = strlen(text); \\r
cc41eb4f 683 type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
e2de9939 684 \\r
cc41eb4f 685 for (i = 0; i < len; i++, screen += 8 * step_x) \\r
e2de9939 686 { \\r
687 for (l = 0; l < 8; l++) \\r
688 { \\r
689 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
cc41eb4f 690 type *s = screen + l * step_y; \\r
691 if (fd&0x80) s[step_x * 0] = val; \\r
692 if (fd&0x40) s[step_x * 1] = val; \\r
693 if (fd&0x20) s[step_x * 2] = val; \\r
694 if (fd&0x10) s[step_x * 3] = val; \\r
695 if (fd&0x08) s[step_x * 4] = val; \\r
696 if (fd&0x04) s[step_x * 5] = val; \\r
697 if (fd&0x02) s[step_x * 6] = val; \\r
698 if (fd&0x01) s[step_x * 7] = val; \\r
e2de9939 699 } \\r
700 } \\r
ea8c405f 701}\r
702\r
cc41eb4f 703mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r
704mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r
705mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
706 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
707mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
708 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
ea8c405f 709\r
e2de9939 710#undef mk_text_out\r
ea8c405f 711\r
712\r
d34a42f9 713void update_movie(void)\r
ea8c405f 714{\r
715 int offs = Pico.m.frame_count*3 + 0x40;\r
716 if (offs+3 > movie_size) {\r
717 free(movie_data);\r
718 movie_data = 0;\r
b24e0f6c 719 emu_status_msg("END OF MOVIE.");\r
ea8c405f 720 lprintf("END OF MOVIE.\n");\r
ea8c405f 721 } else {\r
722 // MXYZ SACB RLDU\r
723 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
f8af9634 724 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
725 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
726 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
ea8c405f 727 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
f8af9634 728 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
729 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
730 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
ea8c405f 731 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
732 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
733 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
734 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
735 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
736 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
737 }\r
738}\r
739\r
740\r
741static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
742{\r
743 return gzread(file, p, _n);\r
744}\r
745\r
746\r
747static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
748{\r
749 return gzwrite(file, p, _n);\r
750}\r
751\r
752static int try_ropen_file(const char *fname)\r
753{\r
754 FILE *f;\r
755\r
756 f = fopen(fname, "rb");\r
757 if (f) {\r
758 fclose(f);\r
759 return 1;\r
760 }\r
761 return 0;\r
762}\r
763\r
a47dd663 764char *emu_get_save_fname(int load, int is_sram, int slot)\r
ea8c405f 765{\r
766 static char saveFname[512];\r
767 char ext[16];\r
768\r
769 if (is_sram)\r
770 {\r
ca482e5d 771 romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm");\r
ea8c405f 772 if (load) {\r
773 if (try_ropen_file(saveFname)) return saveFname;\r
774 // try in current dir..\r
602133e1 775 romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
ea8c405f 776 if (try_ropen_file(saveFname)) return saveFname;\r
777 return NULL; // give up\r
778 }\r
779 }\r
780 else\r
781 {\r
782 ext[0] = 0;\r
783 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
ca482e5d 784 strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds");\r
ea8c405f 785\r
ca482e5d 786 romfname_ext(saveFname, "mds" PATH_SEP, ext);\r
ea8c405f 787 if (load) {\r
788 if (try_ropen_file(saveFname)) return saveFname;\r
789 romfname_ext(saveFname, NULL, ext);\r
790 if (try_ropen_file(saveFname)) return saveFname;\r
ca482e5d 791 // no gzipped states, search for non-gzipped\r
792 if (currentConfig.EmuOpt & EOPT_GZIP_SAVES)\r
793 {\r
ea8c405f 794 ext[0] = 0;\r
795 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
796 strcat(ext, ".mds");\r
797\r
ca482e5d 798 romfname_ext(saveFname, "mds"PATH_SEP, ext);\r
ea8c405f 799 if (try_ropen_file(saveFname)) return saveFname;\r
800 romfname_ext(saveFname, NULL, ext);\r
801 if (try_ropen_file(saveFname)) return saveFname;\r
802 }\r
803 return NULL;\r
804 }\r
805 }\r
806\r
807 return saveFname;\r
808}\r
809\r
a47dd663 810int emu_check_save_file(int slot)\r
ea8c405f 811{\r
a47dd663 812 return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
ea8c405f 813}\r
814\r
815void emu_setSaveStateCbs(int gz)\r
816{\r
817 if (gz) {\r
818 areaRead = gzRead2;\r
819 areaWrite = gzWrite2;\r
820 areaEof = (areaeof *) gzeof;\r
821 areaSeek = (areaseek *) gzseek;\r
822 areaClose = (areaclose *) gzclose;\r
823 } else {\r
824 areaRead = (arearw *) fread;\r
825 areaWrite = (arearw *) fwrite;\r
826 areaEof = (areaeof *) feof;\r
827 areaSeek = (areaseek *) fseek;\r
828 areaClose = (areaclose *) fclose;\r
829 }\r
830}\r
831\r
a47dd663 832int emu_save_load_game(int load, int sram)\r
ea8c405f 833{\r
834 int ret = 0;\r
835 char *saveFname;\r
836\r
837 // make save filename\r
a47dd663 838 saveFname = emu_get_save_fname(load, sram, state_slot);\r
ea8c405f 839 if (saveFname == NULL) {\r
d34a42f9 840 if (!sram)\r
b24e0f6c 841 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
ea8c405f 842 return -1;\r
843 }\r
844\r
845 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
846\r
da42200b 847 if (sram)\r
848 {\r
ea8c405f 849 FILE *sramFile;\r
850 int sram_size;\r
851 unsigned char *sram_data;\r
852 int truncate = 1;\r
602133e1 853 if (PicoAHW & PAHW_MCD)\r
854 {\r
855 if (PicoOpt&POPT_EN_MCD_RAMCART) {\r
ea8c405f 856 sram_size = 0x12000;\r
857 sram_data = SRam.data;\r
858 if (sram_data)\r
859 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
860 } else {\r
861 sram_size = 0x2000;\r
862 sram_data = Pico_mcd->bram;\r
863 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
864 }\r
865 } else {\r
866 sram_size = SRam.end-SRam.start+1;\r
867 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
868 sram_data = SRam.data;\r
869 }\r
870 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
871\r
602133e1 872 if (load)\r
873 {\r
ea8c405f 874 sramFile = fopen(saveFname, "rb");\r
875 if(!sramFile) return -1;\r
876 fread(sram_data, 1, sram_size, sramFile);\r
877 fclose(sramFile);\r
602133e1 878 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
ea8c405f 879 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
880 } else {\r
881 // sram save needs some special processing\r
882 // see if we have anything to save\r
883 for (; sram_size > 0; sram_size--)\r
884 if (sram_data[sram_size-1]) break;\r
885\r
886 if (sram_size) {\r
887 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
888 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
889 if (!sramFile) return -1;\r
890 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
891 ret = (ret != sram_size) ? -1 : 0;\r
892 fclose(sramFile);\r
893#ifndef NO_SYNC\r
894 sync();\r
895#endif\r
896 }\r
897 }\r
898 return ret;\r
899 }\r
900 else\r
901 {\r
902 void *PmovFile = NULL;\r
da42200b 903 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)\r
904 {\r
ea8c405f 905 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
906 emu_setSaveStateCbs(1);\r
da42200b 907 if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
ea8c405f 908 }\r
909 }\r
910 else\r
911 {\r
912 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
913 emu_setSaveStateCbs(0);\r
914 }\r
915 }\r
916 if(PmovFile) {\r
917 ret = PmovState(load ? 6 : 5, PmovFile);\r
918 areaClose(PmovFile);\r
919 PmovFile = 0;\r
920 if (load) Pico.m.dirtyPal=1;\r
921#ifndef NO_SYNC\r
922 else sync();\r
923#endif\r
924 }\r
925 else ret = -1;\r
926 if (!ret)\r
b24e0f6c 927 emu_status_msg(load ? "GAME LOADED" : "GAME SAVED");\r
ea8c405f 928 else\r
929 {\r
b24e0f6c 930 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ea8c405f 931 ret = -1;\r
932 }\r
933\r
ea8c405f 934 return ret;\r
935 }\r
936}\r
bdec53c9 937\r
a47dd663 938void emu_set_fastforward(int set_on)\r
c060a9ab 939{\r
940 static void *set_PsndOut = NULL;\r
941 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
942\r
943 if (set_on && !is_on) {\r
944 set_PsndOut = PsndOut;\r
945 set_Frameskip = currentConfig.Frameskip;\r
946 set_EmuOpt = currentConfig.EmuOpt;\r
947 PsndOut = NULL;\r
948 currentConfig.Frameskip = 8;\r
949 currentConfig.EmuOpt &= ~4;\r
950 currentConfig.EmuOpt |= 0x40000;\r
951 is_on = 1;\r
b24e0f6c 952 emu_status_msg("FAST FORWARD");\r
c060a9ab 953 }\r
954 else if (!set_on && is_on) {\r
955 PsndOut = set_PsndOut;\r
956 currentConfig.Frameskip = set_Frameskip;\r
957 currentConfig.EmuOpt = set_EmuOpt;\r
958 PsndRerate(1);\r
959 is_on = 0;\r
960 }\r
961}\r
962\r
f2cf8472 963static void emu_msg_tray_open(void)\r
c060a9ab 964{\r
b24e0f6c 965 emu_status_msg("CD tray opened");\r
f2cf8472 966}\r
967\r
968void emu_reset_game(void)\r
969{\r
970 PicoReset();\r
971 reset_timing = 1;\r
972}\r
973\r
974void run_events_pico(unsigned int events)\r
975{\r
976 int lim_x;\r
977\r
978 if (events & PEV_PICO_SWINP) {\r
c060a9ab 979 pico_inp_mode++;\r
d34a42f9 980 if (pico_inp_mode > 2)\r
981 pico_inp_mode = 0;\r
c060a9ab 982 switch (pico_inp_mode) {\r
b24e0f6c 983 case 2: emu_status_msg("Input: Pen on Pad"); break;\r
984 case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
985 case 0: emu_status_msg("Input: Joystick");\r
c060a9ab 986 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
987 break;\r
988 }\r
c060a9ab 989 }\r
f2cf8472 990 if (events & PEV_PICO_PPREV) {\r
c060a9ab 991 PicoPicohw.page--;\r
d34a42f9 992 if (PicoPicohw.page < 0)\r
993 PicoPicohw.page = 0;\r
b24e0f6c 994 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 995 }\r
f2cf8472 996 if (events & PEV_PICO_PNEXT) {\r
c060a9ab 997 PicoPicohw.page++;\r
d34a42f9 998 if (PicoPicohw.page > 6)\r
999 PicoPicohw.page = 6;\r
b24e0f6c 1000 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 1001 }\r
f2cf8472 1002\r
1003 if (pico_inp_mode == 0)\r
1004 return;\r
1005\r
1006 /* handle other input modes */\r
1007 if (PicoPad[0] & 1) pico_pen_y--;\r
1008 if (PicoPad[0] & 2) pico_pen_y++;\r
1009 if (PicoPad[0] & 4) pico_pen_x--;\r
1010 if (PicoPad[0] & 8) pico_pen_x++;\r
1011 PicoPad[0] &= ~0x0f; // release UDLR\r
1012\r
1013 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
1014 if (pico_pen_y < 8)\r
1015 pico_pen_y = 8;\r
1016 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r
1017 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r
1018 if (pico_pen_x < 0)\r
1019 pico_pen_x = 0;\r
1020 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r
1021 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r
1022\r
1023 PicoPicohw.pen_pos[0] = pico_pen_x;\r
1024 if (!(Pico.video.reg[12] & 1))\r
1025 PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r
1026 PicoPicohw.pen_pos[0] += 0x3c;\r
1027 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
c060a9ab 1028}\r
1029\r
d34a42f9 1030static void do_turbo(int *pad, int acts)\r
f0f0d2df 1031{\r
1032 static int turbo_pad = 0;\r
1033 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1034 int inc = currentConfig.turbo_rate * 2;\r
1035\r
1036 if (acts & 0x1000) {\r
1037 turbo_cnt[0] += inc;\r
1038 if (turbo_cnt[0] >= 60)\r
1039 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1040 }\r
1041 if (acts & 0x2000) {\r
1042 turbo_cnt[1] += inc;\r
1043 if (turbo_cnt[1] >= 60)\r
1044 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1045 }\r
1046 if (acts & 0x4000) {\r
1047 turbo_cnt[2] += inc;\r
1048 if (turbo_cnt[2] >= 60)\r
1049 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1050 }\r
1051 *pad |= turbo_pad & (acts >> 8);\r
1052}\r
c060a9ab 1053\r
f2cf8472 1054static void run_events_ui(unsigned int which)\r
d34a42f9 1055{\r
1056 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
1057 {\r
1058 int do_it = 1;\r
a47dd663 1059 if ( emu_check_save_file(state_slot) &&\r
d34a42f9 1060 (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||\r
1061 ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )\r
1062 {\r
1063 const char *nm;\r
1064 char tmp[64];\r
1065 int keys, len;\r
1066\r
1067 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r
1068 len = strlen(tmp);\r
1069 nm = in_get_key_name(-1, -PBTN_MA3);\r
1070 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
1071 len = strlen(tmp);\r
1072 nm = in_get_key_name(-1, -PBTN_MBACK);\r
1073 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
1074\r
1075 plat_status_msg_busy_first(tmp);\r
1076\r
1077 in_set_blocking(1);\r
1078 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r
1079 ;\r
1080 while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )\r
1081 ;\r
1082 if (keys & PBTN_MBACK)\r
1083 do_it = 0;\r
1084 while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r
1085 ;\r
1086 in_set_blocking(0);\r
1087 }\r
1088 if (do_it) {\r
1089 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING GAME" : "SAVING GAME");\r
1090 PicoStateProgressCB = plat_status_msg_busy_next;\r
a47dd663 1091 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
d34a42f9 1092 PicoStateProgressCB = NULL;\r
1093 }\r
1094 }\r
1095 if (which & PEV_SWITCH_RND)\r
1096 {\r
d90f5bd7 1097 plat_video_toggle_renderer(1, 0);\r
d34a42f9 1098 }\r
1099 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
1100 {\r
1101 if (which & PEV_SSLOT_PREV) {\r
1102 state_slot -= 1;\r
1103 if (state_slot < 0)\r
1104 state_slot = 9;\r
1105 } else {\r
1106 state_slot += 1;\r
1107 if (state_slot > 9)\r
1108 state_slot = 0;\r
1109 }\r
1110\r
b24e0f6c 1111 emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
a47dd663 1112 emu_check_save_file(state_slot) ? "USED" : "FREE");\r
d34a42f9 1113 }\r
1114 if (which & PEV_MENU)\r
1115 engineState = PGS_Menu;\r
1116}\r
1117\r
1118void emu_update_input(void)\r
1119{\r
093b8a42 1120 static int prev_events = 0;\r
1121 int actions[IN_BINDTYPE_COUNT] = { 0, };\r
1122 int pl_actions[2];\r
1123 int events;\r
d34a42f9 1124\r
093b8a42 1125 in_update(actions);\r
d34a42f9 1126\r
093b8a42 1127 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
1128 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
d34a42f9 1129\r
093b8a42 1130 PicoPad[0] = pl_actions[0] & 0xfff;\r
1131 PicoPad[1] = pl_actions[1] & 0xfff;\r
d34a42f9 1132\r
093b8a42 1133 if (pl_actions[0] & 0x7000)\r
1134 do_turbo(&PicoPad[0], pl_actions[0]);\r
1135 if (pl_actions[1] & 0x7000)\r
1136 do_turbo(&PicoPad[1], pl_actions[1]);\r
1137\r
1138 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1139\r
1140 // volume is treated in special way and triggered every frame\r
1141 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
1142 plat_update_volume(1, events & PEV_VOL_UP);\r
1143\r
093b8a42 1144 if ((events ^ prev_events) & PEV_FF) {\r
a47dd663 1145 emu_set_fastforward(events & PEV_FF);\r
d34a42f9 1146 plat_update_volume(0, 0);\r
f2cf8472 1147 reset_timing = 1;\r
d34a42f9 1148 }\r
1149\r
093b8a42 1150 events &= ~prev_events;\r
d34a42f9 1151\r
f2cf8472 1152 if (PicoAHW == PAHW_PICO)\r
1153 run_events_pico(events);\r
d34a42f9 1154 if (events)\r
f2cf8472 1155 run_events_ui(events);\r
d34a42f9 1156 if (movie_data)\r
1157 update_movie();\r
1158\r
093b8a42 1159 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1160}\r
1161\r
f2cf8472 1162static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
1163{\r
1164 strcpy(path_with_reserve + pos, name);\r
1165 if (plat_is_dir(path_with_reserve))\r
1166 return;\r
1167 if (mkdir(path_with_reserve, 0777) < 0)\r
1168 lprintf("failed to create: %s\n", path_with_reserve);\r
1169}\r
1170\r
1171void emu_init(void)\r
1172{\r
27701801 1173 char path[512];\r
f2cf8472 1174 int pos;\r
1175\r
1176 /* make dirs for saves */\r
27701801 1177 pos = plat_get_root_dir(path, sizeof(path) - 4);\r
1178 mkdir_path(path, pos, "mds");\r
1179 mkdir_path(path, pos, "srm");\r
1180 mkdir_path(path, pos, "brm");\r
1181\r
1182 make_config_cfg(path);\r
1183 config_readlrom(path);\r
f2cf8472 1184\r
1185 PicoInit();\r
1186 PicoMessage = plat_status_msg_busy_next;\r
1187 PicoMCDopenTray = emu_msg_tray_open;\r
1188 PicoMCDcloseTray = menu_loop_tray;\r
1189}\r
1190\r
1191void emu_finish(void)\r
1192{\r
1193 // save SRAM\r
a47dd663 1194 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1195 emu_save_load_game(0, 1);\r
f2cf8472 1196 SRam.changed = 0;\r
1197 }\r
1198\r
27701801 1199 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
1200 char cfg[512];\r
1201 make_config_cfg(cfg);\r
1202 config_writelrom(cfg);\r
1203#ifndef NO_SYNC\r
1204 sync();\r
1205#endif\r
1206 }\r
f2cf8472 1207\r
1208 PicoExit();\r
1209}\r
1210\r
b24e0f6c 1211static void skip_frame(int do_audio)\r
1212{\r
1213 PicoSkipFrame = do_audio ? 1 : 2;\r
1214 PicoFrame();\r
1215 PicoSkipFrame = 0;\r
1216}\r
1217\r
1218/* our tick here is 1 us right now */\r
1219#define ms_to_ticks(x) (unsigned int)(x * 1000)\r
1220#define get_ticks() plat_get_ticks_us()\r
1221\r
1222void emu_loop(void)\r
1223{\r
1224 int pframes_done; /* "period" frames, used for sync */\r
1225 int frames_done, frames_shown; /* actual frames for fps counter */\r
1226 int oldmodes, target_fps, target_frametime;\r
1227 unsigned int timestamp_base = 0, timestamp_fps;\r
1228 char *notice_msg = NULL;\r
1229 char fpsbuff[24];\r
1230 int i;\r
1231\r
1232 fpsbuff[0] = 0;\r
1233\r
1234 /* make sure we are in correct mode */\r
1235 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
1236 Pico.m.dirtyPal = 1;\r
1237\r
1238 /* number of ticks per frame */\r
1239 if (Pico.m.pal) {\r
1240 target_fps = 50;\r
1241 target_frametime = ms_to_ticks(1000) / 50;\r
1242 } else {\r
1243 target_fps = 60;\r
1244 target_frametime = ms_to_ticks(1000) / 60 + 1;\r
1245 }\r
1246\r
1247 // prepare CD buffer\r
1248 if (PicoAHW & PAHW_MCD)\r
1249 PicoCDBufferInit();\r
1250\r
1251 if (currentConfig.EmuOpt & EOPT_PSYNC)\r
1252 plat_video_wait_vsync();\r
1253\r
1254 pemu_loop_prep();\r
1255\r
1256 timestamp_fps = get_ticks();\r
1257 reset_timing = 1;\r
1258\r
1259 frames_done = frames_shown = pframes_done = 0;\r
1260\r
1261 /* loop with resync every 1 sec. */\r
1262 while (engineState == PGS_Running)\r
1263 {\r
1264 unsigned int timestamp;\r
1265 int diff, diff_lim;\r
1266 int modes;\r
1267\r
1268 timestamp = get_ticks();\r
1269 if (reset_timing) {\r
1270 reset_timing = 0;\r
1271 timestamp_base = timestamp;\r
1272 pframes_done = 0;\r
1273 }\r
1274\r
1275 // show notice_msg message?\r
1276 if (notice_msg_time != 0)\r
1277 {\r
1278 static int noticeMsgSum;\r
1279 if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(2000)) {\r
1280 notice_msg_time = 0;\r
1281 plat_status_msg_clear();\r
1282 notice_msg = NULL;\r
1283 } else {\r
1284 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
1285 if (sum != noticeMsgSum) {\r
1286 plat_status_msg_clear();\r
1287 noticeMsgSum = sum;\r
1288 }\r
1289 notice_msg = noticeMsg;\r
1290 }\r
1291 }\r
1292\r
1293 // check for mode changes\r
1294 modes = ((Pico.video.reg[12]&1)<<2) | (Pico.video.reg[1]&8);\r
1295 if (modes != oldmodes) {\r
1296 oldmodes = modes;\r
1297 pemu_video_mode_change(!(modes & 4), (modes & 8));\r
1298 }\r
1299\r
1300 // second changed?\r
1301 if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r
1302 {\r
1303#ifdef BENCHMARK\r
1304 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1305 if (++bench == 10) {\r
1306 bench = 0;\r
1307 bench_fps_s = bench_fps;\r
1308 bf[bfp++ & 3] = bench_fps;\r
1309 bench_fps = 0;\r
1310 }\r
1311 bench_fps += frames_shown;\r
1312 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
1313#else\r
1314 if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r
1315 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1316 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
1317 }\r
1318#endif\r
1319 frames_shown = frames_done = 0;\r
1320 timestamp_fps += ms_to_ticks(1000);\r
1321 }\r
1322#ifdef PFRAMES\r
1323 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1324#endif\r
1325\r
1326 if (timestamp - timestamp_base >= ms_to_ticks(1000))\r
1327 {\r
1328 if (PsndOut == 0 && currentConfig.Frameskip >= 0)\r
1329 pframes_done = 0;\r
1330 else\r
1331 pframes_done -= target_fps;\r
1332 timestamp_base += ms_to_ticks(1000);\r
1333 }\r
1334\r
1335 diff = timestamp - timestamp_base;\r
1336 diff_lim = (pframes_done + 1) * target_frametime;\r
1337\r
1338 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
1339 {\r
1340 for (i = 0; i < currentConfig.Frameskip; i++) {\r
1341 emu_update_input();\r
1342 skip_frame(1);\r
1343 pframes_done++; frames_done++;\r
1344 diff_lim += target_frametime;\r
1345\r
1346 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
1347 timestamp = get_ticks();\r
1348 diff = timestamp - timestamp_base;\r
1349 if (diff < diff_lim) // we are too fast\r
1350 plat_wait_till_us(timestamp_base + diff_lim);\r
1351 }\r
1352 }\r
1353 }\r
1354 else if (diff > diff_lim)\r
1355 {\r
1356 /* no time left for this frame - skip */\r
1357 if (diff - diff_lim >= ms_to_ticks(300)) {\r
1358 /* if too much behind, reset instead */\r
1359 reset_timing = 1;\r
1360 continue;\r
1361 }\r
1362 emu_update_input();\r
1363 skip_frame(diff < diff_lim + target_frametime * 2);\r
1364 pframes_done++; frames_done++;\r
1365 continue;\r
1366 }\r
1367\r
1368 emu_update_input();\r
1369 PicoFrame();\r
1370\r
1371 /* frame limiter */\r
1372 if (!reset_timing && (PsndOut != NULL || currentConfig.Frameskip < 0))\r
1373 {\r
1374 timestamp = get_ticks();\r
1375 diff = timestamp - timestamp_base;\r
1376\r
1377 // sleep or vsync if we are still too fast\r
1378 if (diff < diff_lim)\r
1379 {\r
1380 // we are too fast\r
1381 if (currentConfig.EmuOpt & EOPT_PSYNC) {\r
1382 if (diff_lim - diff > target_frametime/2)\r
1383 plat_wait_till_us(timestamp_base + target_frametime/4);\r
1384 plat_video_wait_vsync();\r
1385 } else\r
1386 plat_wait_till_us(timestamp_base + diff_lim);\r
1387 }\r
1388 }\r
1389\r
1390 pemu_update_display(fpsbuff, notice_msg);\r
1391\r
1392 pframes_done++; frames_done++; frames_shown++;\r
1393 }\r
1394\r
1395 emu_set_fastforward(0);\r
1396\r
1397 if (PicoAHW & PAHW_MCD)\r
1398 PicoCDBufferFree();\r
1399\r
1400 // save SRAM\r
1401 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1402 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
1403 emu_save_load_game(0, 1);\r
1404 SRam.changed = 0;\r
1405 }\r
1406\r
1407 // do menu background to be sure it's right\r
1408 pemu_forced_frame(POPT_EN_SOFTSCALE);\r
1409\r
1410 pemu_loop_end();\r
1411}\r
1412\r