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some readme and general cleanups
[picodrive.git] / platform / common / emu.c
CommitLineData
cff531af 1/*\r
2 * PicoDrive\r
3 * (C) notaz, 2007-2010\r
4 *\r
5 * This work is licensed under the terms of MAME license.\r
6 * See COPYING file in the top-level directory.\r
7 */\r
ea8c405f 8\r
9#include <stdio.h>\r
10#include <stdlib.h>\r
4c2e3554 11#include <string.h>\r
b24e0f6c 12#include <stdarg.h>\r
9c9cda8c 13#ifdef __GP2X__\r
ea8c405f 14#include <unistd.h>\r
15#endif\r
16\r
e743be20 17#include "../libpicofe/posix.h"\r
18#include "../libpicofe/input.h"\r
19#include "../libpicofe/fonts.h"\r
df92fbd1 20#include "../libpicofe/sndout.h"\r
e743be20 21#include "../libpicofe/lprintf.h"\r
22#include "../libpicofe/plat.h"\r
ea8c405f 23#include "emu.h"\r
e743be20 24#include "input_pico.h"\r
25#include "menu_pico.h"\r
39e6f973 26#include "config_file.h"\r
ea8c405f 27\r
efcba75f 28#include <pico/pico_int.h>\r
29#include <pico/patch.h>\r
ea8c405f 30\r
9c9cda8c 31#ifndef _WIN32\r
32#define PATH_SEP "/"\r
33#define PATH_SEP_C '/'\r
34#else\r
35#define PATH_SEP "\\"\r
36#define PATH_SEP_C '\\'\r
37#endif\r
ea8c405f 38\r
54646a39 39#define STATUS_MSG_TIMEOUT 2000\r
40\r
e2de9939 41void *g_screen_ptr;\r
42\r
9c9cda8c 43int g_screen_width = 320;\r
44int g_screen_height = 240;\r
e2de9939 45\r
b59172e3 46const char *PicoConfigFile = "config2.cfg";\r
58c86d00 47currentConfig_t currentConfig, defaultConfig;\r
ea8c405f 48int state_slot = 0;\r
49int config_slot = 0, config_slot_current = 0;\r
f2cf8472 50int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
b7d64dbd 51int pico_inp_mode;\r
52int flip_after_sync;\r
713c9224 53int engineState = PGS_Menu;\r
54\r
df92fbd1 55static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
56\r
ae87bffa 57/* tmp buff to reduce stack usage for plats with small stack */\r
58static char static_buff[512];\r
636d5f25 59const char *rom_fname_reload;\r
ae87bffa 60char rom_fname_loaded[512];\r
f2cf8472 61int reset_timing = 0;\r
b24e0f6c 62static unsigned int notice_msg_time; /* when started showing */\r
63static char noticeMsg[40];\r
ea8c405f 64\r
65unsigned char *movie_data = NULL;\r
66static int movie_size = 0;\r
67\r
ea8c405f 68\r
ee2a3bdf 69/* don't use tolower() for easy old glibc binary compatibility */\r
f8af9634 70static void strlwr_(char *string)\r
ea8c405f 71{\r
f8af9634 72 char *p;\r
73 for (p = string; *p; p++)\r
ee2a3bdf 74 if ('A' <= *p && *p <= 'Z')\r
75 *p += 'a' - 'A';\r
ea8c405f 76}\r
77\r
ca482e5d 78static int try_rfn_cut(char *fname)\r
ea8c405f 79{\r
80 FILE *tmp;\r
81 char *p;\r
82\r
ca482e5d 83 p = fname + strlen(fname) - 1;\r
84 for (; p > fname; p--)\r
ea8c405f 85 if (*p == '.') break;\r
86 *p = 0;\r
87\r
ca482e5d 88 if((tmp = fopen(fname, "rb"))) {\r
ea8c405f 89 fclose(tmp);\r
90 return 1;\r
91 }\r
92 return 0;\r
93}\r
94\r
35e3031a 95static void get_ext(const char *file, char *ext)\r
ea8c405f 96{\r
35e3031a 97 const char *p;\r
ea8c405f 98\r
99 p = file + strlen(file) - 4;\r
100 if (p < file) p = file;\r
101 strncpy(ext, p, 4);\r
102 ext[4] = 0;\r
103 strlwr_(ext);\r
104}\r
105\r
fcdefcf6 106static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)\r
107{\r
108 int prefix_len = 0;\r
109 const char *p;\r
110\r
111 *dst = 0;\r
112 if (prefix) {\r
113 int len = plat_get_root_dir(dst, dstlen);\r
114 strcpy(dst + len, prefix);\r
115 prefix_len = len + strlen(prefix);\r
116 }\r
117\r
118 p = fname + strlen(fname) - 1;\r
119 for (; p >= fname && *p != PATH_SEP_C; p--)\r
120 ;\r
121 p++;\r
122 strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);\r
123\r
124 dst[dstlen - 8] = 0;\r
125 if (dst[strlen(dst) - 4] == '.')\r
126 dst[strlen(dst) - 4] = 0;\r
127 if (ext)\r
128 strcat(dst, ext);\r
129}\r
130\r
131static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)\r
132{\r
133 fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);\r
134}\r
135\r
b24e0f6c 136void emu_status_msg(const char *format, ...)\r
137{\r
138 va_list vl;\r
54646a39 139 int ret;\r
b24e0f6c 140\r
141 va_start(vl, format);\r
54646a39 142 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
b24e0f6c 143 va_end(vl);\r
144\r
54646a39 145 /* be sure old text gets overwritten */\r
146 for (; ret < 28; ret++)\r
147 noticeMsg[ret] = ' ';\r
148 noticeMsg[ret] = 0;\r
149\r
b24e0f6c 150 notice_msg_time = plat_get_ticks_ms();\r
151}\r
152\r
2446536b 153static const char * const biosfiles_us[] = {\r
154 "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303", "bios_CD_U"\r
155};\r
156static const char * const biosfiles_eu[] = {\r
157 "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303", "bios_CD_E"\r
158};\r
159static const char * const biosfiles_jp[] = {\r
160 "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"\r
161};\r
ea8c405f 162\r
4c2e3554 163static const char *find_bios(int *region, const char *cd_fname)\r
ea8c405f 164{\r
ea8c405f 165 int i, count;\r
54646a39 166 const char * const *files;\r
ea8c405f 167 FILE *f = NULL;\r
4c2e3554 168 int ret;\r
169\r
170 // we need to have config loaded at this point\r
171 ret = emu_read_config(cd_fname, 0);\r
172 if (!ret) emu_read_config(NULL, 0);\r
173\r
174 if (PicoRegionOverride) {\r
175 *region = PicoRegionOverride;\r
176 lprintf("override region to %s\n", *region != 4 ?\r
177 (*region == 8 ? "EU" : "JAP") : "USA");\r
178 }\r
ea8c405f 179\r
4c2e3554 180 if (*region == 4) { // US\r
ea8c405f 181 files = biosfiles_us;\r
182 count = sizeof(biosfiles_us) / sizeof(char *);\r
4c2e3554 183 } else if (*region == 8) { // EU\r
ea8c405f 184 files = biosfiles_eu;\r
185 count = sizeof(biosfiles_eu) / sizeof(char *);\r
4c2e3554 186 } else if (*region == 1 || *region == 2) {\r
ea8c405f 187 files = biosfiles_jp;\r
188 count = sizeof(biosfiles_jp) / sizeof(char *);\r
189 } else {\r
190 return 0;\r
191 }\r
192\r
193 for (i = 0; i < count; i++)\r
194 {\r
ae87bffa 195 emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r
196 strcat(static_buff, ".bin");\r
197 f = fopen(static_buff, "rb");\r
ea8c405f 198 if (f) break;\r
199\r
ae87bffa 200 static_buff[strlen(static_buff) - 4] = 0;\r
201 strcat(static_buff, ".zip");\r
202 f = fopen(static_buff, "rb");\r
ea8c405f 203 if (f) break;\r
204 }\r
205\r
206 if (f) {\r
ae87bffa 207 lprintf("using bios: %s\n", static_buff);\r
ea8c405f 208 fclose(f);\r
4c2e3554 209 return static_buff;\r
ea8c405f 210 } else {\r
ae87bffa 211 sprintf(static_buff, "no %s BIOS files found, read docs",\r
4c2e3554 212 *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");\r
e743be20 213 menu_update_msg(static_buff);\r
4c2e3554 214 return NULL;\r
ea8c405f 215 }\r
216}\r
217\r
c6196c0f 218/* check if the name begins with BIOS name */\r
1ca2ea4f 219/*\r
c6196c0f 220static int emu_isBios(const char *name)\r
221{\r
222 int i;\r
223 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
224 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
225 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
226 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
227 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
228 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
229 return 0;\r
230}\r
1ca2ea4f 231*/\r
c6196c0f 232\r
7a87643e 233static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
58c86d00 234{\r
235 char *p = dest;\r
236 int i;\r
237\r
238 if (swab) swab = 1;\r
239\r
240 for (i = len - 1; i >= 0; i--)\r
241 {\r
242 if (src[i^swab] != ' ') break;\r
243 }\r
244 len = i + 1;\r
245\r
246 for (i = 0; i < len; i++)\r
247 {\r
248 unsigned char s = src[i^swab];\r
249 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
250 s != '[' && s != ']' && s != '\\')\r
251 {\r
252 *p++ = s;\r
253 }\r
254 else\r
255 {\r
256 sprintf(p, "\\%02x", s);\r
257 p += 3;\r
258 }\r
259 }\r
260\r
261 return p - dest;\r
262}\r
263\r
fcdefcf6 264static char *emu_make_rom_id(const char *fname)\r
58c86d00 265{\r
ca482e5d 266 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
bdec53c9 267 int pos, swab = 1;\r
58c86d00 268\r
602133e1 269 if (PicoAHW & PAHW_MCD) {\r
bdec53c9 270 strcpy(id_string, "CD|");\r
271 swab = 0;\r
272 }\r
fcdefcf6 273 else if (PicoAHW & PAHW_SMS)\r
274 strcpy(id_string, "MS|");\r
275 else strcpy(id_string, "MD|");\r
58c86d00 276 pos = 3;\r
277\r
fcdefcf6 278 if (!(PicoAHW & PAHW_SMS)) {\r
4c2e3554 279 pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial\r
fcdefcf6 280 id_string[pos] = '|'; pos++;\r
4c2e3554 281 pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region\r
fcdefcf6 282 id_string[pos] = '|'; pos++;\r
4c2e3554 283 pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name\r
fcdefcf6 284 id_string[pos] = 0;\r
285 if (pos > 5)\r
286 return id_string;\r
287 pos = 3;\r
288 }\r
289\r
290 // can't find name in ROM, use filename\r
291 fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);\r
58c86d00 292\r
58c86d00 293 return id_string;\r
294}\r
295\r
ca482e5d 296// buffer must be at least 150 byte long\r
a47dd663 297void emu_get_game_name(char *str150)\r
ca482e5d 298{\r
299 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
300 char *s, *d;\r
301\r
4c2e3554 302 ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name\r
ca482e5d 303\r
304 for (s = d = str150 + 1; s < str150+ret; s++)\r
305 {\r
306 if (*s == 0) break;\r
307 if (*s != ' ' || d[-1] != ' ')\r
308 *d++ = *s;\r
309 }\r
310 *d = 0;\r
311}\r
312\r
974fdb5b 313static void system_announce(void)\r
314{\r
f3a57b2d 315 const char *sys_name, *tv_standard, *extra = "";\r
974fdb5b 316 int fps;\r
317\r
318 if (PicoAHW & PAHW_SMS) {\r
319 sys_name = "Master System";\r
f3a57b2d 320#ifdef NO_SMS\r
321 extra = " [no support]";\r
322#endif\r
974fdb5b 323 } else if (PicoAHW & PAHW_PICO) {\r
324 sys_name = "Pico";\r
325 } else if (PicoAHW & PAHW_MCD) {\r
326 sys_name = "Mega CD";\r
327 if ((Pico.m.hardware & 0xc0) == 0x80)\r
328 sys_name = "Sega CD";\r
329 } else if (PicoAHW & PAHW_32X) {\r
330 sys_name = "32X";\r
331 } else {\r
332 sys_name = "MegaDrive";\r
333 if ((Pico.m.hardware & 0xc0) == 0x80)\r
334 sys_name = "Genesis";\r
335 }\r
336 tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r
337 fps = Pico.m.pal ? 50 : 60;\r
338\r
f3a57b2d 339 emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);\r
974fdb5b 340}\r
341\r
4c2e3554 342static void do_region_override(const char *media_fname)\r
343{\r
344 // we only need to override region if config tells us so\r
345 int ret = emu_read_config(media_fname, 0);\r
346 if (!ret) emu_read_config(NULL, 0);\r
347}\r
348\r
636d5f25 349int emu_reload_rom(const char *rom_fname_in)\r
ea8c405f 350{\r
636d5f25 351 char *rom_fname = NULL;\r
ea8c405f 352 char ext[5];\r
4c2e3554 353 enum media_type_e media_type;\r
636d5f25 354 int menu_romload_started = 0;\r
4c2e3554 355 char carthw_path[512];\r
636d5f25 356 int retval = 0;\r
ea8c405f 357\r
636d5f25 358 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);\r
ea8c405f 359\r
636d5f25 360 rom_fname = strdup(rom_fname_in);\r
361 if (rom_fname == NULL)\r
362 return 0;\r
363\r
ca482e5d 364 get_ext(rom_fname, ext);\r
ea8c405f 365\r
77189b7d 366 // early cleanup\r
367 PicoPatchUnload();\r
eacee137 368 if (movie_data) {\r
ea8c405f 369 free(movie_data);\r
370 movie_data = 0;\r
371 }\r
77189b7d 372\r
2d2247c2 373 if (!strcmp(ext, ".gmv"))\r
374 {\r
ea8c405f 375 // check for both gmv and rom\r
376 int dummy;\r
ca482e5d 377 FILE *movie_file = fopen(rom_fname, "rb");\r
b8a1c09a 378 if (!movie_file) {\r
e743be20 379 menu_update_msg("Failed to open movie.");\r
636d5f25 380 goto out;\r
ea8c405f 381 }\r
382 fseek(movie_file, 0, SEEK_END);\r
383 movie_size = ftell(movie_file);\r
384 fseek(movie_file, 0, SEEK_SET);\r
b8a1c09a 385 if (movie_size < 64+3) {\r
e743be20 386 menu_update_msg("Invalid GMV file.");\r
ea8c405f 387 fclose(movie_file);\r
636d5f25 388 goto out;\r
ea8c405f 389 }\r
390 movie_data = malloc(movie_size);\r
b8a1c09a 391 if (movie_data == NULL) {\r
e743be20 392 menu_update_msg("low memory.");\r
ea8c405f 393 fclose(movie_file);\r
636d5f25 394 goto out;\r
ea8c405f 395 }\r
b8a1c09a 396 dummy = fread(movie_data, 1, movie_size, movie_file);\r
ea8c405f 397 fclose(movie_file);\r
398 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
e743be20 399 menu_update_msg("Invalid GMV file.");\r
636d5f25 400 goto out;\r
ea8c405f 401 }\r
ca482e5d 402 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 403 if (!dummy) {\r
e743be20 404 menu_update_msg("Could't find a ROM for movie.");\r
636d5f25 405 goto out;\r
ea8c405f 406 }\r
ca482e5d 407 get_ext(rom_fname, ext);\r
f8af9634 408 lprintf("gmv loaded for %s\n", rom_fname);\r
ea8c405f 409 }\r
ca482e5d 410 else if (!strcmp(ext, ".pat"))\r
411 {\r
ea8c405f 412 int dummy;\r
ca482e5d 413 PicoPatchLoad(rom_fname);\r
414 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 415 if (!dummy) {\r
e743be20 416 menu_update_msg("Could't find a ROM to patch.");\r
636d5f25 417 goto out;\r
ea8c405f 418 }\r
ca482e5d 419 get_ext(rom_fname, ext);\r
ea8c405f 420 }\r
421\r
4c2e3554 422 menu_romload_prepare(rom_fname); // also CD load\r
423 menu_romload_started = 1;\r
ea8c405f 424\r
4c2e3554 425 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));\r
3e49ffd0 426\r
4c2e3554 427 media_type = PicoLoadMedia(rom_fname, carthw_path,\r
428 find_bios, do_region_override);\r
ea8c405f 429\r
4c2e3554 430 switch (media_type) {\r
431 case PM_BAD_DETECT:\r
432 menu_update_msg("Not a ROM/CD img selected.");\r
636d5f25 433 goto out;\r
4c2e3554 434 case PM_BAD_CD:\r
435 menu_update_msg("Invalid CD image");\r
636d5f25 436 goto out;\r
4c2e3554 437 case PM_BAD_CD_NO_BIOS:\r
438 // find_bios() prints a message\r
636d5f25 439 goto out;\r
4c2e3554 440 case PM_ERROR:\r
441 menu_update_msg("Load error");\r
636d5f25 442 goto out;\r
4c2e3554 443 default:\r
444 break;\r
ea8c405f 445 }\r
446\r
a76fad41 447 // make quirks visible in UI\r
448 if (PicoQuirks & PQUIRK_FORCE_6BTN)\r
449 currentConfig.input_dev0 = PICO_INPUT_PAD_6BTN;\r
450\r
4b167c12 451 menu_romload_end();\r
636d5f25 452 menu_romload_started = 0;\r
4b167c12 453\r
ea8c405f 454 if (PicoPatches) {\r
455 PicoPatchPrepare();\r
456 PicoPatchApply();\r
457 }\r
458\r
459 // additional movie stuff\r
f9f40f10 460 if (movie_data)\r
461 {\r
531a8f38 462 enum input_device indev = (movie_data[0x14] == '6') ?\r
463 PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;\r
464 PicoSetInputDevice(0, indev);\r
465 PicoSetInputDevice(1, indev);\r
466\r
2aa27095 467 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 468 if (movie_data[0xF] >= 'A') {\r
469 if (movie_data[0x16] & 0x80) {\r
ea8c405f 470 PicoRegionOverride = 8;\r
471 } else {\r
472 PicoRegionOverride = 4;\r
473 }\r
1cb1584b 474 PicoReset();\r
ea8c405f 475 // TODO: bits 6 & 5\r
476 }\r
477 movie_data[0x18+30] = 0;\r
b24e0f6c 478 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
ea8c405f 479 }\r
480 else\r
481 {\r
974fdb5b 482 system_announce();\r
602133e1 483 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
ea8c405f 484 }\r
ea8c405f 485\r
bcc9eda0 486 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
487 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
bcc9eda0 488\r
ea8c405f 489 // load SRAM for this ROM\r
a47dd663 490 if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
491 emu_save_load_game(1, 1);\r
ea8c405f 492\r
c7074ddb 493 // state autoload?\r
494 if (g_autostateld_opt) {\r
495 int time, newest = 0, newest_slot = -1;\r
496 int slot;\r
497\r
498 for (slot = 0; slot < 10; slot++) {\r
499 if (emu_check_save_file(slot, &time)) {\r
500 if (time > newest) {\r
501 newest = time;\r
502 newest_slot = slot;\r
503 }\r
504 }\r
505 }\r
506\r
507 if (newest_slot >= 0) {\r
508 lprintf("autoload slot %d\n", newest_slot);\r
509 state_slot = newest_slot;\r
510 emu_save_load_game(1, 0);\r
511 }\r
512 else {\r
513 lprintf("no save to autoload.\n");\r
514 }\r
515 }\r
516\r
636d5f25 517 retval = 1;\r
518out:\r
636d5f25 519 if (menu_romload_started)\r
520 menu_romload_end();\r
521 free(rom_fname);\r
522 return retval;\r
ea8c405f 523}\r
524\r
35e3031a 525int emu_swap_cd(const char *fname)\r
526{\r
527 cd_img_type cd_type;\r
528 int ret = -1;\r
529\r
4c2e3554 530 cd_type = PicoCdCheck(fname, NULL);\r
35e3031a 531 if (cd_type != CIT_NOT_CD)\r
532 ret = Insert_CD(fname, cd_type);\r
533 if (ret != 0) {\r
e743be20 534 menu_update_msg("Load failed, invalid CD image?");\r
35e3031a 535 return 0;\r
536 }\r
537\r
538 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r
539 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
540 return 1;\r
541}\r
542\r
ae87bffa 543// <base dir><end>\r
27701801 544void emu_make_path(char *buff, const char *end, int size)\r
08fe8094 545{\r
27701801 546 int pos, end_len;\r
547\r
548 end_len = strlen(end);\r
549 pos = plat_get_root_dir(buff, size);\r
550 strncpy(buff + pos, end, size - pos);\r
551 buff[size - 1] = 0;\r
552 if (pos + end_len > size - 1)\r
553 lprintf("Warning: path truncated: %s\n", buff);\r
554}\r
555\r
556static void make_config_cfg(char *cfg_buff_512)\r
557{\r
558 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
08fe8094 559 if (config_slot != 0)\r
560 {\r
27701801 561 char *p = strrchr(cfg_buff_512, '.');\r
562 if (p == NULL)\r
563 p = cfg_buff_512 + strlen(cfg_buff_512);\r
08fe8094 564 sprintf(p, ".%i.cfg", config_slot);\r
565 }\r
27701801 566 cfg_buff_512[511] = 0;\r
08fe8094 567}\r
568\r
697746df 569void emu_prep_defconfig(void)\r
570{\r
571 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
75a30842 572 defaultConfig.EmuOpt = 0x9d | EOPT_EN_CD_LEDS;\r
697746df 573 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r
720bfc5d 574 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |\r
92dfd9af 575 POPT_EN_DRC|POPT_ACC_SPRITES |\r
697746df 576 POPT_EN_32X|POPT_EN_PWM;\r
577 defaultConfig.s_PsndRate = 44100;\r
578 defaultConfig.s_PicoRegion = 0; // auto\r
579 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
580 defaultConfig.s_PicoCDBuffers = 0;\r
fcdefcf6 581 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r
697746df 582 defaultConfig.Frameskip = -1; // auto\r
531a8f38 583 defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;\r
584 defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;\r
697746df 585 defaultConfig.volume = 50;\r
586 defaultConfig.gamma = 100;\r
587 defaultConfig.scaling = 0;\r
588 defaultConfig.turbo_rate = 15;\r
ed4402a7 589 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;\r
590 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;\r
697746df 591\r
592 // platform specific overrides\r
593 pemu_prep_defconfig();\r
594}\r
595\r
d90f5bd7 596void emu_set_defconfig(void)\r
ca482e5d 597{\r
a47dd663 598 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
ca482e5d 599 PicoOpt = currentConfig.s_PicoOpt;\r
600 PsndRate = currentConfig.s_PsndRate;\r
601 PicoRegionOverride = currentConfig.s_PicoRegion;\r
602 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
603 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
604}\r
605\r
fcdefcf6 606int emu_read_config(const char *rom_fname, int no_defaults)\r
ea8c405f 607{\r
58c86d00 608 char cfg[512];\r
58c86d00 609 int ret;\r
ea8c405f 610\r
490eb480 611 if (!no_defaults)\r
612 emu_set_defconfig();\r
613\r
fcdefcf6 614 if (rom_fname == NULL)\r
ea8c405f 615 {\r
fcdefcf6 616 // global config\r
08fe8094 617 make_config_cfg(cfg);\r
58c86d00 618 ret = config_readsect(cfg, NULL);\r
ea8c405f 619 }\r
58c86d00 620 else\r
621 {\r
504e2f56 622 char ext[16];\r
623 int vol;\r
ea8c405f 624\r
58c86d00 625 if (config_slot != 0)\r
504e2f56 626 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
a39b7867 627 else\r
504e2f56 628 strcpy(ext, ".cfg");\r
629\r
630 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);\r
631\r
632 // read user's config\r
633 vol = currentConfig.volume;\r
634 ret = config_readsect(cfg, NULL);\r
635 currentConfig.volume = vol; // make vol global (bah)\r
636\r
637 if (ret != 0)\r
08fe8094 638 {\r
639 // read global config, and apply game_def.cfg on top\r
640 make_config_cfg(cfg);\r
641 config_readsect(cfg, NULL);\r
58c86d00 642\r
504e2f56 643 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
644 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));\r
58c86d00 645 }\r
ea8c405f 646 }\r
58c86d00 647\r
697746df 648 pemu_validate_config();\r
ee2a3bdf 649\r
ea8c405f 650 // some sanity checks\r
2445b7cb 651#ifdef PSP\r
ee2a3bdf 652 /* TODO: mv to plat_validate_config() */\r
653 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
2445b7cb 654 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
6fc57144 655 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
2445b7cb 656#endif\r
ee2a3bdf 657 if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
658 currentConfig.volume = 50;\r
659\r
660 if (ret == 0)\r
661 config_slot_current = config_slot;\r
991473ad 662\r
58c86d00 663 return (ret == 0);\r
ea8c405f 664}\r
665\r
666\r
a47dd663 667int emu_write_config(int is_game)\r
ea8c405f 668{\r
504e2f56 669 char cfg[512];\r
58c86d00 670 int ret, write_lrom = 0;\r
ea8c405f 671\r
58c86d00 672 if (!is_game)\r
ea8c405f 673 {\r
ca482e5d 674 make_config_cfg(cfg);\r
58c86d00 675 write_lrom = 1;\r
ea8c405f 676 } else {\r
504e2f56 677 char ext[16];\r
678\r
ea8c405f 679 if (config_slot != 0)\r
504e2f56 680 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
681 else\r
682 strcpy(ext, ".cfg");\r
683\r
684 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);\r
ea8c405f 685 }\r
686\r
a47dd663 687 lprintf("emu_write_config: %s ", cfg);\r
504e2f56 688 ret = config_write(cfg);\r
1ca2ea4f 689 if (write_lrom) config_writelrom(cfg);\r
9c9cda8c 690#ifdef __GP2X__\r
58c86d00 691 sync();\r
ea8c405f 692#endif\r
58c86d00 693 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 694\r
58c86d00 695 if (ret == 0) config_slot_current = config_slot;\r
696 return ret == 0;\r
ea8c405f 697}\r
698\r
699\r
e2de9939 700/* always using built-in font */\r
701\r
cc41eb4f 702#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
e2de9939 703void name(int x, int y, const char *text) \\r
704{ \\r
705 int i, l, len = strlen(text); \\r
cc41eb4f 706 type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
e2de9939 707 \\r
cc41eb4f 708 for (i = 0; i < len; i++, screen += 8 * step_x) \\r
e2de9939 709 { \\r
710 for (l = 0; l < 8; l++) \\r
711 { \\r
712 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
cc41eb4f 713 type *s = screen + l * step_y; \\r
714 if (fd&0x80) s[step_x * 0] = val; \\r
715 if (fd&0x40) s[step_x * 1] = val; \\r
716 if (fd&0x20) s[step_x * 2] = val; \\r
717 if (fd&0x10) s[step_x * 3] = val; \\r
718 if (fd&0x08) s[step_x * 4] = val; \\r
719 if (fd&0x04) s[step_x * 5] = val; \\r
720 if (fd&0x02) s[step_x * 6] = val; \\r
721 if (fd&0x01) s[step_x * 7] = val; \\r
e2de9939 722 } \\r
723 } \\r
ea8c405f 724}\r
725\r
cc41eb4f 726mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r
727mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r
728mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
729 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
730mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
731 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
ea8c405f 732\r
e2de9939 733#undef mk_text_out\r
ea8c405f 734\r
735\r
d34a42f9 736void update_movie(void)\r
ea8c405f 737{\r
738 int offs = Pico.m.frame_count*3 + 0x40;\r
739 if (offs+3 > movie_size) {\r
740 free(movie_data);\r
741 movie_data = 0;\r
b24e0f6c 742 emu_status_msg("END OF MOVIE.");\r
ea8c405f 743 lprintf("END OF MOVIE.\n");\r
ea8c405f 744 } else {\r
745 // MXYZ SACB RLDU\r
746 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
f8af9634 747 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
748 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
749 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
ea8c405f 750 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
f8af9634 751 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
752 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
753 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
ea8c405f 754 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
755 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
756 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
757 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
758 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
759 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
760 }\r
761}\r
762\r
c7074ddb 763static int try_ropen_file(const char *fname, int *time)\r
ea8c405f 764{\r
c7074ddb 765 struct stat st;\r
ea8c405f 766 FILE *f;\r
767\r
768 f = fopen(fname, "rb");\r
769 if (f) {\r
c7074ddb 770 if (time != NULL) {\r
771 *time = 0;\r
772 if (fstat(fileno(f), &st) == 0)\r
773 *time = (int)st.st_mtime;\r
774 }\r
ea8c405f 775 fclose(f);\r
776 return 1;\r
777 }\r
778 return 0;\r
779}\r
780\r
c7074ddb 781char *emu_get_save_fname(int load, int is_sram, int slot, int *time)\r
ea8c405f 782{\r
ae87bffa 783 char *saveFname = static_buff;\r
ea8c405f 784 char ext[16];\r
785\r
786 if (is_sram)\r
787 {\r
6bc00695 788 strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
fcdefcf6 789 romfname_ext(saveFname, sizeof(static_buff),\r
790 (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r
6bc00695 791 if (!load)\r
792 return saveFname;\r
793\r
c7074ddb 794 if (try_ropen_file(saveFname, time))\r
6bc00695 795 return saveFname;\r
796\r
fcdefcf6 797 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
c7074ddb 798 if (try_ropen_file(saveFname, time))\r
6bc00695 799 return saveFname;\r
ea8c405f 800 }\r
801 else\r
802 {\r
6bc00695 803 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r
804 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r
ea8c405f 805 ext[0] = 0;\r
6bc00695 806 if (slot > 0 && slot < 10)\r
807 sprintf(ext, ".%i", slot);\r
808 strcat(ext, ext_main);\r
809\r
810 if (!load) {\r
fcdefcf6 811 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 812 return saveFname;\r
813 }\r
814 else {\r
fcdefcf6 815 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
c7074ddb 816 if (try_ropen_file(saveFname, time))\r
6bc00695 817 return saveFname;\r
ea8c405f 818\r
fcdefcf6 819 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
c7074ddb 820 if (try_ropen_file(saveFname, time))\r
6bc00695 821 return saveFname;\r
822\r
823 // try the other ext\r
824 ext[0] = 0;\r
825 if (slot > 0 && slot < 10)\r
826 sprintf(ext, ".%i", slot);\r
827 strcat(ext, ext_othr);\r
828\r
fcdefcf6 829 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r
c7074ddb 830 if (try_ropen_file(saveFname, time))\r
6bc00695 831 return saveFname;\r
ea8c405f 832 }\r
833 }\r
834\r
6bc00695 835 return NULL;\r
ea8c405f 836}\r
837\r
cca8800d 838int emu_check_save_file(int slot, int *time)\r
ea8c405f 839{\r
c7074ddb 840 return emu_get_save_fname(1, 0, slot, time) ? 1 : 0;\r
ea8c405f 841}\r
842\r
a47dd663 843int emu_save_load_game(int load, int sram)\r
ea8c405f 844{\r
845 int ret = 0;\r
846 char *saveFname;\r
847\r
848 // make save filename\r
c7074ddb 849 saveFname = emu_get_save_fname(load, sram, state_slot, NULL);\r
ea8c405f 850 if (saveFname == NULL) {\r
d34a42f9 851 if (!sram)\r
b24e0f6c 852 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
ea8c405f 853 return -1;\r
854 }\r
855\r
856 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
857\r
da42200b 858 if (sram)\r
859 {\r
ea8c405f 860 FILE *sramFile;\r
861 int sram_size;\r
862 unsigned char *sram_data;\r
863 int truncate = 1;\r
602133e1 864 if (PicoAHW & PAHW_MCD)\r
865 {\r
45f2f245 866 if (PicoOpt & POPT_EN_MCD_RAMCART) {\r
ea8c405f 867 sram_size = 0x12000;\r
868 sram_data = SRam.data;\r
869 if (sram_data)\r
870 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
871 } else {\r
872 sram_size = 0x2000;\r
873 sram_data = Pico_mcd->bram;\r
874 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
875 }\r
876 } else {\r
45f2f245 877 sram_size = SRam.size;\r
ea8c405f 878 sram_data = SRam.data;\r
879 }\r
b8a1c09a 880 if (sram_data == NULL)\r
881 return 0; // SRam forcefully disabled for this game\r
ea8c405f 882\r
602133e1 883 if (load)\r
884 {\r
ea8c405f 885 sramFile = fopen(saveFname, "rb");\r
b8a1c09a 886 if (!sramFile)\r
887 return -1;\r
888 ret = fread(sram_data, 1, sram_size, sramFile);\r
889 ret = ret > 0 ? 0 : -1;\r
ea8c405f 890 fclose(sramFile);\r
602133e1 891 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
ea8c405f 892 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
893 } else {\r
894 // sram save needs some special processing\r
895 // see if we have anything to save\r
896 for (; sram_size > 0; sram_size--)\r
897 if (sram_data[sram_size-1]) break;\r
898\r
899 if (sram_size) {\r
900 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
901 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
902 if (!sramFile) return -1;\r
903 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
904 ret = (ret != sram_size) ? -1 : 0;\r
905 fclose(sramFile);\r
9c9cda8c 906#ifdef __GP2X__\r
ea8c405f 907 sync();\r
908#endif\r
909 }\r
910 }\r
911 return ret;\r
912 }\r
913 else\r
914 {\r
bcc9eda0 915 ret = PicoState(saveFname, !load);\r
916 if (!ret) {\r
9c9cda8c 917#ifdef __GP2X__\r
bcc9eda0 918 if (!load) sync();\r
ea8c405f 919#endif\r
54646a39 920 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
bcc9eda0 921 } else {\r
b24e0f6c 922 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ea8c405f 923 ret = -1;\r
924 }\r
925\r
ea8c405f 926 return ret;\r
927 }\r
928}\r
bdec53c9 929\r
a47dd663 930void emu_set_fastforward(int set_on)\r
c060a9ab 931{\r
932 static void *set_PsndOut = NULL;\r
933 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
934\r
935 if (set_on && !is_on) {\r
936 set_PsndOut = PsndOut;\r
937 set_Frameskip = currentConfig.Frameskip;\r
938 set_EmuOpt = currentConfig.EmuOpt;\r
939 PsndOut = NULL;\r
940 currentConfig.Frameskip = 8;\r
941 currentConfig.EmuOpt &= ~4;\r
942 currentConfig.EmuOpt |= 0x40000;\r
943 is_on = 1;\r
b24e0f6c 944 emu_status_msg("FAST FORWARD");\r
c060a9ab 945 }\r
946 else if (!set_on && is_on) {\r
947 PsndOut = set_PsndOut;\r
948 currentConfig.Frameskip = set_Frameskip;\r
949 currentConfig.EmuOpt = set_EmuOpt;\r
950 PsndRerate(1);\r
951 is_on = 0;\r
952 }\r
953}\r
954\r
d687ef50 955static void emu_tray_open(void)\r
c060a9ab 956{\r
d687ef50 957 engineState = PGS_TrayMenu;\r
958}\r
959\r
960static void emu_tray_close(void)\r
961{\r
962 emu_status_msg("CD tray closed.");\r
f2cf8472 963}\r
964\r
974fdb5b 965void emu_32x_startup(void)\r
966{\r
c7eb229a 967 plat_video_toggle_renderer(0, 0); // HACK\r
974fdb5b 968 system_announce();\r
969}\r
970\r
f2cf8472 971void emu_reset_game(void)\r
972{\r
973 PicoReset();\r
974 reset_timing = 1;\r
975}\r
976\r
977void run_events_pico(unsigned int events)\r
978{\r
979 int lim_x;\r
980\r
981 if (events & PEV_PICO_SWINP) {\r
c060a9ab 982 pico_inp_mode++;\r
d34a42f9 983 if (pico_inp_mode > 2)\r
984 pico_inp_mode = 0;\r
c060a9ab 985 switch (pico_inp_mode) {\r
b24e0f6c 986 case 2: emu_status_msg("Input: Pen on Pad"); break;\r
987 case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
988 case 0: emu_status_msg("Input: Joystick");\r
c060a9ab 989 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
990 break;\r
991 }\r
c060a9ab 992 }\r
f2cf8472 993 if (events & PEV_PICO_PPREV) {\r
c060a9ab 994 PicoPicohw.page--;\r
d34a42f9 995 if (PicoPicohw.page < 0)\r
996 PicoPicohw.page = 0;\r
b24e0f6c 997 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 998 }\r
f2cf8472 999 if (events & PEV_PICO_PNEXT) {\r
c060a9ab 1000 PicoPicohw.page++;\r
d34a42f9 1001 if (PicoPicohw.page > 6)\r
1002 PicoPicohw.page = 6;\r
b24e0f6c 1003 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 1004 }\r
f2cf8472 1005\r
1006 if (pico_inp_mode == 0)\r
1007 return;\r
1008\r
1009 /* handle other input modes */\r
1010 if (PicoPad[0] & 1) pico_pen_y--;\r
1011 if (PicoPad[0] & 2) pico_pen_y++;\r
1012 if (PicoPad[0] & 4) pico_pen_x--;\r
1013 if (PicoPad[0] & 8) pico_pen_x++;\r
1014 PicoPad[0] &= ~0x0f; // release UDLR\r
1015\r
1016 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
1017 if (pico_pen_y < 8)\r
1018 pico_pen_y = 8;\r
1019 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r
1020 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r
1021 if (pico_pen_x < 0)\r
1022 pico_pen_x = 0;\r
1023 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r
1024 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r
1025\r
1026 PicoPicohw.pen_pos[0] = pico_pen_x;\r
1027 if (!(Pico.video.reg[12] & 1))\r
1028 PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r
1029 PicoPicohw.pen_pos[0] += 0x3c;\r
1030 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
c060a9ab 1031}\r
1032\r
d34a42f9 1033static void do_turbo(int *pad, int acts)\r
f0f0d2df 1034{\r
1035 static int turbo_pad = 0;\r
1036 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1037 int inc = currentConfig.turbo_rate * 2;\r
1038\r
1039 if (acts & 0x1000) {\r
1040 turbo_cnt[0] += inc;\r
1041 if (turbo_cnt[0] >= 60)\r
1042 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1043 }\r
1044 if (acts & 0x2000) {\r
1045 turbo_cnt[1] += inc;\r
1046 if (turbo_cnt[1] >= 60)\r
1047 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1048 }\r
1049 if (acts & 0x4000) {\r
1050 turbo_cnt[2] += inc;\r
1051 if (turbo_cnt[2] >= 60)\r
1052 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1053 }\r
1054 *pad |= turbo_pad & (acts >> 8);\r
1055}\r
c060a9ab 1056\r
f2cf8472 1057static void run_events_ui(unsigned int which)\r
d34a42f9 1058{\r
1059 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
1060 {\r
1061 int do_it = 1;\r
cca8800d 1062 if ( emu_check_save_file(state_slot, NULL) &&\r
fcdefcf6 1063 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r
1064 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r
d34a42f9 1065 {\r
1066 const char *nm;\r
1067 char tmp[64];\r
1068 int keys, len;\r
1069\r
1070 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r
1071 len = strlen(tmp);\r
1072 nm = in_get_key_name(-1, -PBTN_MA3);\r
1073 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
1074 len = strlen(tmp);\r
1075 nm = in_get_key_name(-1, -PBTN_MBACK);\r
1076 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
1077\r
1078 plat_status_msg_busy_first(tmp);\r
1079\r
45285368 1080 in_set_config_int(0, IN_CFG_BLOCKING, 1);\r
13450307 1081 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1082 ;\r
13450307 1083 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )\r
d34a42f9 1084 ;\r
1085 if (keys & PBTN_MBACK)\r
1086 do_it = 0;\r
13450307 1087 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1088 ;\r
45285368 1089 in_set_config_int(0, IN_CFG_BLOCKING, 0);\r
d34a42f9 1090 }\r
1091 if (do_it) {\r
54646a39 1092 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
d34a42f9 1093 PicoStateProgressCB = plat_status_msg_busy_next;\r
a47dd663 1094 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
d34a42f9 1095 PicoStateProgressCB = NULL;\r
1096 }\r
1097 }\r
5a681086 1098 if (which & PEV_SWITCH_RND)\r
d34a42f9 1099 {\r
5a681086 1100 plat_video_toggle_renderer(1, 0);\r
d34a42f9 1101 }\r
1102 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
1103 {\r
1104 if (which & PEV_SSLOT_PREV) {\r
1105 state_slot -= 1;\r
1106 if (state_slot < 0)\r
1107 state_slot = 9;\r
1108 } else {\r
1109 state_slot += 1;\r
1110 if (state_slot > 9)\r
1111 state_slot = 0;\r
1112 }\r
1113\r
b24e0f6c 1114 emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
cca8800d 1115 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");\r
d34a42f9 1116 }\r
1117 if (which & PEV_MENU)\r
1118 engineState = PGS_Menu;\r
1119}\r
1120\r
1121void emu_update_input(void)\r
1122{\r
093b8a42 1123 static int prev_events = 0;\r
1124 int actions[IN_BINDTYPE_COUNT] = { 0, };\r
1125 int pl_actions[2];\r
1126 int events;\r
d34a42f9 1127\r
093b8a42 1128 in_update(actions);\r
d34a42f9 1129\r
093b8a42 1130 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
1131 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
d34a42f9 1132\r
093b8a42 1133 PicoPad[0] = pl_actions[0] & 0xfff;\r
1134 PicoPad[1] = pl_actions[1] & 0xfff;\r
d34a42f9 1135\r
093b8a42 1136 if (pl_actions[0] & 0x7000)\r
1137 do_turbo(&PicoPad[0], pl_actions[0]);\r
1138 if (pl_actions[1] & 0x7000)\r
1139 do_turbo(&PicoPad[1], pl_actions[1]);\r
1140\r
1141 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1142\r
1143 // volume is treated in special way and triggered every frame\r
1144 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
1145 plat_update_volume(1, events & PEV_VOL_UP);\r
1146\r
093b8a42 1147 if ((events ^ prev_events) & PEV_FF) {\r
a47dd663 1148 emu_set_fastforward(events & PEV_FF);\r
d34a42f9 1149 plat_update_volume(0, 0);\r
f2cf8472 1150 reset_timing = 1;\r
d34a42f9 1151 }\r
1152\r
093b8a42 1153 events &= ~prev_events;\r
d34a42f9 1154\r
f2cf8472 1155 if (PicoAHW == PAHW_PICO)\r
1156 run_events_pico(events);\r
d34a42f9 1157 if (events)\r
f2cf8472 1158 run_events_ui(events);\r
d34a42f9 1159 if (movie_data)\r
1160 update_movie();\r
1161\r
093b8a42 1162 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1163}\r
1164\r
f2cf8472 1165static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
1166{\r
1167 strcpy(path_with_reserve + pos, name);\r
1168 if (plat_is_dir(path_with_reserve))\r
1169 return;\r
1170 if (mkdir(path_with_reserve, 0777) < 0)\r
1171 lprintf("failed to create: %s\n", path_with_reserve);\r
1172}\r
1173\r
a4edca53 1174void emu_cmn_forced_frame(int no_scale, int do_emu)\r
1175{\r
1176 int po_old = PicoOpt;\r
1177\r
1178 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
1179\r
8340e7c9 1180 PicoOpt &= ~POPT_ALT_RENDERER;\r
a4edca53 1181 PicoOpt |= POPT_ACC_SPRITES;\r
1182 if (!no_scale)\r
1183 PicoOpt |= POPT_EN_SOFTSCALE;\r
1184\r
1185 PicoDrawSetOutFormat(PDF_RGB555, 1);\r
1186 Pico.m.dirtyPal = 1;\r
1187 if (do_emu)\r
1188 PicoFrame();\r
1189 else\r
1190 PicoFrameDrawOnly();\r
1191\r
1192 PicoOpt = po_old;\r
1193}\r
1194\r
f2cf8472 1195void emu_init(void)\r
1196{\r
27701801 1197 char path[512];\r
f2cf8472 1198 int pos;\r
1199\r
83ff19ec 1200#if 0\r
1201 // FIXME: handle through menu, etc\r
1202 FILE *f;\r
1203 f = fopen("32X_M_BIOS.BIN", "rb");\r
1204 p32x_bios_m = malloc(2048);\r
1205 fread(p32x_bios_m, 1, 2048, f);\r
1206 fclose(f);\r
1207 f = fopen("32X_S_BIOS.BIN", "rb");\r
1208 p32x_bios_s = malloc(1024);\r
1209 fread(p32x_bios_s, 1, 1024, f);\r
1210 fclose(f);\r
1211#endif\r
1212\r
f2cf8472 1213 /* make dirs for saves */\r
27701801 1214 pos = plat_get_root_dir(path, sizeof(path) - 4);\r
1215 mkdir_path(path, pos, "mds");\r
1216 mkdir_path(path, pos, "srm");\r
1217 mkdir_path(path, pos, "brm");\r
504e2f56 1218 mkdir_path(path, pos, "cfg");\r
27701801 1219\r
f6c49d38 1220 pprof_init();\r
1221\r
27701801 1222 make_config_cfg(path);\r
1223 config_readlrom(path);\r
f2cf8472 1224\r
1225 PicoInit();\r
1226 PicoMessage = plat_status_msg_busy_next;\r
d687ef50 1227 PicoMCDopenTray = emu_tray_open;\r
1228 PicoMCDcloseTray = emu_tray_close;\r
df92fbd1 1229\r
1230 sndout_init();\r
f2cf8472 1231}\r
1232\r
1233void emu_finish(void)\r
1234{\r
1235 // save SRAM\r
a47dd663 1236 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1237 emu_save_load_game(0, 1);\r
f2cf8472 1238 SRam.changed = 0;\r
1239 }\r
1240\r
27701801 1241 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
1242 char cfg[512];\r
1243 make_config_cfg(cfg);\r
1244 config_writelrom(cfg);\r
9c9cda8c 1245#ifdef __GP2X__\r
27701801 1246 sync();\r
1247#endif\r
1248 }\r
f2cf8472 1249\r
f6c49d38 1250 pprof_finish();\r
1251\r
f2cf8472 1252 PicoExit();\r
df92fbd1 1253 sndout_exit();\r
1254}\r
1255\r
1256static void snd_write_nonblocking(int len)\r
1257{\r
1258 sndout_write_nb(PsndOut, len);\r
1259}\r
1260\r
1261void emu_sound_start(void)\r
1262{\r
1263 PsndOut = NULL;\r
1264\r
1265 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
1266 {\r
1267 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
1268\r
1269 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
1270\r
1271 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r
1272 PsndRate, PsndLen, is_stereo, Pico.m.pal);\r
1273 sndout_start(PsndRate, is_stereo);\r
1274 PicoWriteSound = snd_write_nonblocking;\r
1275 plat_update_volume(0, 0);\r
1276 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1277 PsndOut = sndBuffer;\r
1278 }\r
1279}\r
1280\r
1281void emu_sound_stop(void)\r
1282{\r
1283 sndout_stop();\r
1284}\r
1285\r
1286void emu_sound_wait(void)\r
1287{\r
1288 sndout_wait();\r
f2cf8472 1289}\r
1290\r
d4d62665 1291static void emu_loop_prep(void)\r
1292{\r
1293 static int pal_old = -1;\r
1294 static int filter_old = -1;\r
1295\r
1296 if (currentConfig.CPUclock != plat_target_cpu_clock_get())\r
1297 plat_target_cpu_clock_set(currentConfig.CPUclock);\r
1298\r
1299 if (Pico.m.pal != pal_old) {\r
1300 plat_target_lcdrate_set(Pico.m.pal);\r
1301 pal_old = Pico.m.pal;\r
1302 }\r
1303\r
1304 if (currentConfig.filter != filter_old) {\r
1305 plat_target_hwfilter_set(currentConfig.filter);\r
1306 filter_old = currentConfig.filter;\r
1307 }\r
1308\r
1309 plat_target_gamma_set(currentConfig.gamma, 0);\r
1310\r
1311 pemu_loop_prep();\r
1312}\r
1313\r
b24e0f6c 1314/* our tick here is 1 us right now */\r
1315#define ms_to_ticks(x) (unsigned int)(x * 1000)\r
1316#define get_ticks() plat_get_ticks_us()\r
1317\r
1318void emu_loop(void)\r
1319{\r
b24e0f6c 1320 int frames_done, frames_shown; /* actual frames for fps counter */\r
b59172e3 1321 int target_frametime_x3;\r
1322 unsigned int timestamp_x3 = 0;\r
1323 unsigned int timestamp_aim_x3 = 0;\r
1324 unsigned int timestamp_fps_x3 = 0;\r
b24e0f6c 1325 char *notice_msg = NULL;\r
1326 char fpsbuff[24];\r
b59172e3 1327 int fskip_cnt = 0;\r
b24e0f6c 1328\r
1329 fpsbuff[0] = 0;\r
1330\r
46bcb899 1331 PicoLoopPrepare();\r
1332\r
1333 // prepare CD buffer\r
1334 if (PicoAHW & PAHW_MCD)\r
1335 PicoCDBufferInit();\r
1336\r
636d5f25 1337 plat_video_loop_prepare();\r
d4d62665 1338 emu_loop_prep();\r
df92fbd1 1339 pemu_sound_start();\r
46bcb899 1340\r
b24e0f6c 1341 /* number of ticks per frame */\r
b59172e3 1342 if (Pico.m.pal)\r
1343 target_frametime_x3 = 3 * ms_to_ticks(1000) / 50;\r
1344 else\r
1345 target_frametime_x3 = 3 * ms_to_ticks(1000) / 60;\r
b24e0f6c 1346\r
b24e0f6c 1347 reset_timing = 1;\r
b59172e3 1348 frames_done = frames_shown = 0;\r
7b436906 1349\r
b24e0f6c 1350 /* loop with resync every 1 sec. */\r
1351 while (engineState == PGS_Running)\r
1352 {\r
b59172e3 1353 int skip = 0;\r
1354 int diff;\r
b24e0f6c 1355\r
f6c49d38 1356 pprof_start(main);\r
1357\r
b24e0f6c 1358 if (reset_timing) {\r
1359 reset_timing = 0;\r
b59172e3 1360 plat_video_wait_vsync();\r
1361 timestamp_aim_x3 = get_ticks() * 3;\r
1362 timestamp_fps_x3 = timestamp_aim_x3;\r
1363 fskip_cnt = 0;\r
1364 }\r
1365 else if (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) {\r
1366 timestamp_aim_x3 = get_ticks() * 3;\r
b24e0f6c 1367 }\r
1368\r
b59172e3 1369 timestamp_x3 = get_ticks() * 3;\r
1370\r
b24e0f6c 1371 // show notice_msg message?\r
1372 if (notice_msg_time != 0)\r
1373 {\r
1374 static int noticeMsgSum;\r
b59172e3 1375 if (timestamp_x3 - ms_to_ticks(notice_msg_time) * 3\r
1376 > ms_to_ticks(STATUS_MSG_TIMEOUT) * 3)\r
1377 {\r
b24e0f6c 1378 notice_msg_time = 0;\r
1379 plat_status_msg_clear();\r
1380 notice_msg = NULL;\r
b59172e3 1381 }\r
1382 else {\r
b24e0f6c 1383 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
1384 if (sum != noticeMsgSum) {\r
1385 plat_status_msg_clear();\r
1386 noticeMsgSum = sum;\r
1387 }\r
1388 notice_msg = noticeMsg;\r
1389 }\r
1390 }\r
1391\r
b24e0f6c 1392 // second changed?\r
b59172e3 1393 if (timestamp_x3 - timestamp_fps_x3 >= ms_to_ticks(1000) * 3)\r
b24e0f6c 1394 {\r
1395#ifdef BENCHMARK\r
1396 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1397 if (++bench == 10) {\r
1398 bench = 0;\r
1399 bench_fps_s = bench_fps;\r
1400 bf[bfp++ & 3] = bench_fps;\r
1401 bench_fps = 0;\r
1402 }\r
1403 bench_fps += frames_shown;\r
1404 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
07e5dbab 1405 printf("%s\n", fpsbuff);\r
b24e0f6c 1406#else\r
b011c2af 1407 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
1408 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);\r
b24e0f6c 1409#endif\r
1410 frames_shown = frames_done = 0;\r
b59172e3 1411 timestamp_fps_x3 += ms_to_ticks(1000) * 3;\r
b24e0f6c 1412 }\r
1413#ifdef PFRAMES\r
1414 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1415#endif\r
1416\r
b59172e3 1417 diff = timestamp_aim_x3 - timestamp_x3;\r
b24e0f6c 1418\r
b59172e3 1419 if (currentConfig.Frameskip >= 0) // frameskip enabled (or 0)\r
b24e0f6c 1420 {\r
b59172e3 1421 if (fskip_cnt < currentConfig.Frameskip) {\r
1422 fskip_cnt++;\r
1423 skip = 1;\r
1424 }\r
1425 else {\r
1426 fskip_cnt = 0;\r
b24e0f6c 1427 }\r
1428 }\r
b59172e3 1429 else if (diff < -target_frametime_x3)\r
b24e0f6c 1430 {\r
1431 /* no time left for this frame - skip */\r
5a681086 1432 /* limit auto frameskip to 8 */\r
b59172e3 1433 if (frames_done / 8 <= frames_shown)\r
1434 skip = 1;\r
1435 }\r
1436\r
1437 // don't go in debt too much\r
1438 while (diff < -target_frametime_x3 * 3) {\r
1439 timestamp_aim_x3 += target_frametime_x3;\r
1440 diff = timestamp_aim_x3 - timestamp_x3;\r
b24e0f6c 1441 }\r
1442\r
1443 emu_update_input();\r
b59172e3 1444 if (skip) {\r
1445 int do_audio = diff > -target_frametime_x3 * 2;\r
1446 PicoSkipFrame = do_audio ? 1 : 2;\r
1447 PicoFrame();\r
1448 PicoSkipFrame = 0;\r
1449 }\r
1450 else {\r
1451 PicoFrame();\r
1452 pemu_finalize_frame(fpsbuff, notice_msg);\r
1453 frames_shown++;\r
1454 }\r
1455 frames_done++;\r
1456 timestamp_aim_x3 += target_frametime_x3;\r
d08e7326 1457\r
b59172e3 1458 if (!skip && !flip_after_sync)\r
b7d64dbd 1459 plat_video_flip();\r
b24e0f6c 1460\r
1461 /* frame limiter */\r
b59172e3 1462 if (!skip && !reset_timing\r
1463 && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r
b24e0f6c 1464 {\r
b59172e3 1465 unsigned int timestamp = get_ticks();\r
1466 diff = timestamp_aim_x3 - timestamp * 3;\r
b24e0f6c 1467\r
1468 // sleep or vsync if we are still too fast\r
b59172e3 1469 if (diff > target_frametime_x3 && (currentConfig.EmuOpt & EOPT_VSYNC)) {\r
b24e0f6c 1470 // we are too fast\r
b59172e3 1471 plat_video_wait_vsync();\r
1472 timestamp = get_ticks();\r
1473 diff = timestamp * 3 - timestamp_aim_x3;\r
1474 }\r
1475 if (diff > target_frametime_x3) {\r
1476 // still too fast\r
1477 plat_wait_till_us(timestamp + (diff - target_frametime_x3) / 3);\r
b24e0f6c 1478 }\r
1479 }\r
1480\r
b59172e3 1481 if (!skip && flip_after_sync)\r
b7d64dbd 1482 plat_video_flip();\r
b24e0f6c 1483\r
f6c49d38 1484 pprof_end(main);\r
b24e0f6c 1485 }\r
1486\r
1487 emu_set_fastforward(0);\r
1488\r
b24e0f6c 1489 // save SRAM\r
1490 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1491 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
1492 emu_save_load_game(0, 1);\r
1493 SRam.changed = 0;\r
1494 }\r
1495\r
b24e0f6c 1496 pemu_loop_end();\r
df92fbd1 1497 emu_sound_stop();\r
730259b7 1498\r
1499 // pemu_loop_end() might want to do 1 frame for bg image,\r
1500 // so free CD buffer here\r
1501 if (PicoAHW & PAHW_MCD)\r
1502 PicoCDBufferFree();\r
b24e0f6c 1503}\r
1504\r
fast MegaDrive/MegaCD/32X emulator