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move ROM detect code to pico/
[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
ea8c405f 13#ifndef NO_SYNC\r
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
ea8c405f 31\r
54646a39 32#define STATUS_MSG_TIMEOUT 2000\r
33\r
e2de9939 34void *g_screen_ptr;\r
35\r
36#if !SCREEN_SIZE_FIXED\r
37int g_screen_width = SCREEN_WIDTH;\r
38int g_screen_height = SCREEN_HEIGHT;\r
39#endif\r
40\r
c46ffd31 41char *PicoConfigFile = "config.cfg";\r
58c86d00 42currentConfig_t currentConfig, defaultConfig;\r
ea8c405f 43int state_slot = 0;\r
44int config_slot = 0, config_slot_current = 0;\r
f2cf8472 45int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
c060a9ab 46int pico_inp_mode = 0;\r
713c9224 47int engineState = PGS_Menu;\r
48\r
df92fbd1 49static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
50\r
ae87bffa 51/* tmp buff to reduce stack usage for plats with small stack */\r
52static char static_buff[512];\r
636d5f25 53const char *rom_fname_reload;\r
ae87bffa 54char rom_fname_loaded[512];\r
f2cf8472 55int reset_timing = 0;\r
b24e0f6c 56static unsigned int notice_msg_time; /* when started showing */\r
57static char noticeMsg[40];\r
ea8c405f 58\r
59unsigned char *movie_data = NULL;\r
60static int movie_size = 0;\r
61\r
ea8c405f 62\r
ee2a3bdf 63/* don't use tolower() for easy old glibc binary compatibility */\r
f8af9634 64static void strlwr_(char *string)\r
ea8c405f 65{\r
f8af9634 66 char *p;\r
67 for (p = string; *p; p++)\r
ee2a3bdf 68 if ('A' <= *p && *p <= 'Z')\r
69 *p += 'a' - 'A';\r
ea8c405f 70}\r
71\r
ca482e5d 72static int try_rfn_cut(char *fname)\r
ea8c405f 73{\r
74 FILE *tmp;\r
75 char *p;\r
76\r
ca482e5d 77 p = fname + strlen(fname) - 1;\r
78 for (; p > fname; p--)\r
ea8c405f 79 if (*p == '.') break;\r
80 *p = 0;\r
81\r
ca482e5d 82 if((tmp = fopen(fname, "rb"))) {\r
ea8c405f 83 fclose(tmp);\r
84 return 1;\r
85 }\r
86 return 0;\r
87}\r
88\r
35e3031a 89static void get_ext(const char *file, char *ext)\r
ea8c405f 90{\r
35e3031a 91 const char *p;\r
ea8c405f 92\r
93 p = file + strlen(file) - 4;\r
94 if (p < file) p = file;\r
95 strncpy(ext, p, 4);\r
96 ext[4] = 0;\r
97 strlwr_(ext);\r
98}\r
99\r
fcdefcf6 100static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)\r
101{\r
102 int prefix_len = 0;\r
103 const char *p;\r
104\r
105 *dst = 0;\r
106 if (prefix) {\r
107 int len = plat_get_root_dir(dst, dstlen);\r
108 strcpy(dst + len, prefix);\r
109 prefix_len = len + strlen(prefix);\r
110 }\r
111\r
112 p = fname + strlen(fname) - 1;\r
113 for (; p >= fname && *p != PATH_SEP_C; p--)\r
114 ;\r
115 p++;\r
116 strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);\r
117\r
118 dst[dstlen - 8] = 0;\r
119 if (dst[strlen(dst) - 4] == '.')\r
120 dst[strlen(dst) - 4] = 0;\r
121 if (ext)\r
122 strcat(dst, ext);\r
123}\r
124\r
125static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)\r
126{\r
127 fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);\r
128}\r
129\r
b24e0f6c 130void emu_status_msg(const char *format, ...)\r
131{\r
132 va_list vl;\r
54646a39 133 int ret;\r
b24e0f6c 134\r
135 va_start(vl, format);\r
54646a39 136 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
b24e0f6c 137 va_end(vl);\r
138\r
54646a39 139 /* be sure old text gets overwritten */\r
140 for (; ret < 28; ret++)\r
141 noticeMsg[ret] = ' ';\r
142 noticeMsg[ret] = 0;\r
143\r
b24e0f6c 144 notice_msg_time = plat_get_ticks_ms();\r
145}\r
146\r
54646a39 147static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r
148static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r
149static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
ea8c405f 150\r
4c2e3554 151static const char *find_bios(int *region, const char *cd_fname)\r
ea8c405f 152{\r
ea8c405f 153 int i, count;\r
54646a39 154 const char * const *files;\r
ea8c405f 155 FILE *f = NULL;\r
4c2e3554 156 int ret;\r
157\r
158 // we need to have config loaded at this point\r
159 ret = emu_read_config(cd_fname, 0);\r
160 if (!ret) emu_read_config(NULL, 0);\r
161\r
162 if (PicoRegionOverride) {\r
163 *region = PicoRegionOverride;\r
164 lprintf("override region to %s\n", *region != 4 ?\r
165 (*region == 8 ? "EU" : "JAP") : "USA");\r
166 }\r
ea8c405f 167\r
4c2e3554 168 if (*region == 4) { // US\r
ea8c405f 169 files = biosfiles_us;\r
170 count = sizeof(biosfiles_us) / sizeof(char *);\r
4c2e3554 171 } else if (*region == 8) { // EU\r
ea8c405f 172 files = biosfiles_eu;\r
173 count = sizeof(biosfiles_eu) / sizeof(char *);\r
4c2e3554 174 } else if (*region == 1 || *region == 2) {\r
ea8c405f 175 files = biosfiles_jp;\r
176 count = sizeof(biosfiles_jp) / sizeof(char *);\r
177 } else {\r
178 return 0;\r
179 }\r
180\r
181 for (i = 0; i < count; i++)\r
182 {\r
ae87bffa 183 emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r
184 strcat(static_buff, ".bin");\r
185 f = fopen(static_buff, "rb");\r
ea8c405f 186 if (f) break;\r
187\r
ae87bffa 188 static_buff[strlen(static_buff) - 4] = 0;\r
189 strcat(static_buff, ".zip");\r
190 f = fopen(static_buff, "rb");\r
ea8c405f 191 if (f) break;\r
192 }\r
193\r
194 if (f) {\r
ae87bffa 195 lprintf("using bios: %s\n", static_buff);\r
ea8c405f 196 fclose(f);\r
4c2e3554 197 return static_buff;\r
ea8c405f 198 } else {\r
ae87bffa 199 sprintf(static_buff, "no %s BIOS files found, read docs",\r
4c2e3554 200 *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");\r
e743be20 201 menu_update_msg(static_buff);\r
4c2e3554 202 return NULL;\r
ea8c405f 203 }\r
204}\r
205\r
c6196c0f 206/* check if the name begins with BIOS name */\r
1ca2ea4f 207/*\r
c6196c0f 208static int emu_isBios(const char *name)\r
209{\r
210 int i;\r
211 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
212 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
213 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
214 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
215 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
216 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
217 return 0;\r
218}\r
1ca2ea4f 219*/\r
c6196c0f 220\r
7a87643e 221static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
58c86d00 222{\r
223 char *p = dest;\r
224 int i;\r
225\r
226 if (swab) swab = 1;\r
227\r
228 for (i = len - 1; i >= 0; i--)\r
229 {\r
230 if (src[i^swab] != ' ') break;\r
231 }\r
232 len = i + 1;\r
233\r
234 for (i = 0; i < len; i++)\r
235 {\r
236 unsigned char s = src[i^swab];\r
237 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
238 s != '[' && s != ']' && s != '\\')\r
239 {\r
240 *p++ = s;\r
241 }\r
242 else\r
243 {\r
244 sprintf(p, "\\%02x", s);\r
245 p += 3;\r
246 }\r
247 }\r
248\r
249 return p - dest;\r
250}\r
251\r
fcdefcf6 252static char *emu_make_rom_id(const char *fname)\r
58c86d00 253{\r
ca482e5d 254 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
bdec53c9 255 int pos, swab = 1;\r
58c86d00 256\r
602133e1 257 if (PicoAHW & PAHW_MCD) {\r
bdec53c9 258 strcpy(id_string, "CD|");\r
259 swab = 0;\r
260 }\r
fcdefcf6 261 else if (PicoAHW & PAHW_SMS)\r
262 strcpy(id_string, "MS|");\r
263 else strcpy(id_string, "MD|");\r
58c86d00 264 pos = 3;\r
265\r
fcdefcf6 266 if (!(PicoAHW & PAHW_SMS)) {\r
4c2e3554 267 pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial\r
fcdefcf6 268 id_string[pos] = '|'; pos++;\r
4c2e3554 269 pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region\r
fcdefcf6 270 id_string[pos] = '|'; pos++;\r
4c2e3554 271 pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name\r
fcdefcf6 272 id_string[pos] = 0;\r
273 if (pos > 5)\r
274 return id_string;\r
275 pos = 3;\r
276 }\r
277\r
278 // can't find name in ROM, use filename\r
279 fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);\r
58c86d00 280\r
58c86d00 281 return id_string;\r
282}\r
283\r
ca482e5d 284// buffer must be at least 150 byte long\r
a47dd663 285void emu_get_game_name(char *str150)\r
ca482e5d 286{\r
287 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
288 char *s, *d;\r
289\r
4c2e3554 290 ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name\r
ca482e5d 291\r
292 for (s = d = str150 + 1; s < str150+ret; s++)\r
293 {\r
294 if (*s == 0) break;\r
295 if (*s != ' ' || d[-1] != ' ')\r
296 *d++ = *s;\r
297 }\r
298 *d = 0;\r
299}\r
300\r
974fdb5b 301static void system_announce(void)\r
302{\r
f3a57b2d 303 const char *sys_name, *tv_standard, *extra = "";\r
974fdb5b 304 int fps;\r
305\r
306 if (PicoAHW & PAHW_SMS) {\r
307 sys_name = "Master System";\r
f3a57b2d 308#ifdef NO_SMS\r
309 extra = " [no support]";\r
310#endif\r
974fdb5b 311 } else if (PicoAHW & PAHW_PICO) {\r
312 sys_name = "Pico";\r
313 } else if (PicoAHW & PAHW_MCD) {\r
314 sys_name = "Mega CD";\r
315 if ((Pico.m.hardware & 0xc0) == 0x80)\r
316 sys_name = "Sega CD";\r
317 } else if (PicoAHW & PAHW_32X) {\r
318 sys_name = "32X";\r
319 } else {\r
320 sys_name = "MegaDrive";\r
321 if ((Pico.m.hardware & 0xc0) == 0x80)\r
322 sys_name = "Genesis";\r
323 }\r
324 tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r
325 fps = Pico.m.pal ? 50 : 60;\r
326\r
f3a57b2d 327 emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);\r
974fdb5b 328}\r
329\r
4c2e3554 330static void do_region_override(const char *media_fname)\r
331{\r
332 // we only need to override region if config tells us so\r
333 int ret = emu_read_config(media_fname, 0);\r
334 if (!ret) emu_read_config(NULL, 0);\r
335}\r
336\r
636d5f25 337int emu_reload_rom(const char *rom_fname_in)\r
ea8c405f 338{\r
636d5f25 339 char *rom_fname = NULL;\r
ea8c405f 340 char ext[5];\r
4c2e3554 341 enum media_type_e media_type;\r
636d5f25 342 int menu_romload_started = 0;\r
4c2e3554 343 char carthw_path[512];\r
636d5f25 344 int retval = 0;\r
ea8c405f 345\r
636d5f25 346 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);\r
ea8c405f 347\r
636d5f25 348 rom_fname = strdup(rom_fname_in);\r
349 if (rom_fname == NULL)\r
350 return 0;\r
351\r
ca482e5d 352 get_ext(rom_fname, ext);\r
ea8c405f 353\r
77189b7d 354 // early cleanup\r
355 PicoPatchUnload();\r
eacee137 356 if (movie_data) {\r
ea8c405f 357 free(movie_data);\r
358 movie_data = 0;\r
359 }\r
77189b7d 360\r
2d2247c2 361 if (!strcmp(ext, ".gmv"))\r
362 {\r
ea8c405f 363 // check for both gmv and rom\r
364 int dummy;\r
ca482e5d 365 FILE *movie_file = fopen(rom_fname, "rb");\r
b8a1c09a 366 if (!movie_file) {\r
e743be20 367 menu_update_msg("Failed to open movie.");\r
636d5f25 368 goto out;\r
ea8c405f 369 }\r
370 fseek(movie_file, 0, SEEK_END);\r
371 movie_size = ftell(movie_file);\r
372 fseek(movie_file, 0, SEEK_SET);\r
b8a1c09a 373 if (movie_size < 64+3) {\r
e743be20 374 menu_update_msg("Invalid GMV file.");\r
ea8c405f 375 fclose(movie_file);\r
636d5f25 376 goto out;\r
ea8c405f 377 }\r
378 movie_data = malloc(movie_size);\r
b8a1c09a 379 if (movie_data == NULL) {\r
e743be20 380 menu_update_msg("low memory.");\r
ea8c405f 381 fclose(movie_file);\r
636d5f25 382 goto out;\r
ea8c405f 383 }\r
b8a1c09a 384 dummy = fread(movie_data, 1, movie_size, movie_file);\r
ea8c405f 385 fclose(movie_file);\r
386 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
e743be20 387 menu_update_msg("Invalid GMV file.");\r
636d5f25 388 goto out;\r
ea8c405f 389 }\r
ca482e5d 390 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 391 if (!dummy) {\r
e743be20 392 menu_update_msg("Could't find a ROM for movie.");\r
636d5f25 393 goto out;\r
ea8c405f 394 }\r
ca482e5d 395 get_ext(rom_fname, ext);\r
f8af9634 396 lprintf("gmv loaded for %s\n", rom_fname);\r
ea8c405f 397 }\r
ca482e5d 398 else if (!strcmp(ext, ".pat"))\r
399 {\r
ea8c405f 400 int dummy;\r
ca482e5d 401 PicoPatchLoad(rom_fname);\r
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 to patch.");\r
636d5f25 405 goto out;\r
ea8c405f 406 }\r
ca482e5d 407 get_ext(rom_fname, ext);\r
ea8c405f 408 }\r
409\r
4c2e3554 410 menu_romload_prepare(rom_fname); // also CD load\r
411 menu_romload_started = 1;\r
ea8c405f 412\r
4c2e3554 413 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));\r
3e49ffd0 414\r
4c2e3554 415 media_type = PicoLoadMedia(rom_fname, carthw_path,\r
416 find_bios, do_region_override);\r
ea8c405f 417\r
4c2e3554 418 switch (media_type) {\r
419 case PM_BAD_DETECT:\r
420 menu_update_msg("Not a ROM/CD img selected.");\r
636d5f25 421 goto out;\r
4c2e3554 422 case PM_BAD_CD:\r
423 menu_update_msg("Invalid CD image");\r
636d5f25 424 goto out;\r
4c2e3554 425 case PM_BAD_CD_NO_BIOS:\r
426 // find_bios() prints a message\r
636d5f25 427 goto out;\r
4c2e3554 428 case PM_ERROR:\r
429 menu_update_msg("Load error");\r
636d5f25 430 goto out;\r
4c2e3554 431 default:\r
432 break;\r
ea8c405f 433 }\r
434\r
4b167c12 435 menu_romload_end();\r
636d5f25 436 menu_romload_started = 0;\r
4b167c12 437\r
ea8c405f 438 if (PicoPatches) {\r
439 PicoPatchPrepare();\r
440 PicoPatchApply();\r
441 }\r
442\r
443 // additional movie stuff\r
f9f40f10 444 if (movie_data)\r
445 {\r
446 if (movie_data[0x14] == '6')\r
602133e1 447 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
448 else PicoOpt &= ~POPT_6BTN_PAD;\r
2aa27095 449 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 450 if (movie_data[0xF] >= 'A') {\r
451 if (movie_data[0x16] & 0x80) {\r
ea8c405f 452 PicoRegionOverride = 8;\r
453 } else {\r
454 PicoRegionOverride = 4;\r
455 }\r
1cb1584b 456 PicoReset();\r
ea8c405f 457 // TODO: bits 6 & 5\r
458 }\r
459 movie_data[0x18+30] = 0;\r
b24e0f6c 460 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
ea8c405f 461 }\r
462 else\r
463 {\r
974fdb5b 464 system_announce();\r
602133e1 465 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
ea8c405f 466 }\r
ea8c405f 467\r
bcc9eda0 468 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
469 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
bcc9eda0 470\r
ea8c405f 471 // load SRAM for this ROM\r
a47dd663 472 if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
473 emu_save_load_game(1, 1);\r
ea8c405f 474\r
636d5f25 475 retval = 1;\r
476out:\r
636d5f25 477 if (menu_romload_started)\r
478 menu_romload_end();\r
479 free(rom_fname);\r
480 return retval;\r
ea8c405f 481}\r
482\r
35e3031a 483int emu_swap_cd(const char *fname)\r
484{\r
485 cd_img_type cd_type;\r
486 int ret = -1;\r
487\r
4c2e3554 488 cd_type = PicoCdCheck(fname, NULL);\r
35e3031a 489 if (cd_type != CIT_NOT_CD)\r
490 ret = Insert_CD(fname, cd_type);\r
491 if (ret != 0) {\r
e743be20 492 menu_update_msg("Load failed, invalid CD image?");\r
35e3031a 493 return 0;\r
494 }\r
495\r
496 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r
497 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
498 return 1;\r
499}\r
500\r
ae87bffa 501// <base dir><end>\r
27701801 502void emu_make_path(char *buff, const char *end, int size)\r
08fe8094 503{\r
27701801 504 int pos, end_len;\r
505\r
506 end_len = strlen(end);\r
507 pos = plat_get_root_dir(buff, size);\r
508 strncpy(buff + pos, end, size - pos);\r
509 buff[size - 1] = 0;\r
510 if (pos + end_len > size - 1)\r
511 lprintf("Warning: path truncated: %s\n", buff);\r
512}\r
513\r
514static void make_config_cfg(char *cfg_buff_512)\r
515{\r
516 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
08fe8094 517 if (config_slot != 0)\r
518 {\r
27701801 519 char *p = strrchr(cfg_buff_512, '.');\r
520 if (p == NULL)\r
521 p = cfg_buff_512 + strlen(cfg_buff_512);\r
08fe8094 522 sprintf(p, ".%i.cfg", config_slot);\r
523 }\r
27701801 524 cfg_buff_512[511] = 0;\r
08fe8094 525}\r
526\r
697746df 527void emu_prep_defconfig(void)\r
528{\r
529 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
fcdefcf6 530 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_EN_CD_LEDS;\r
697746df 531 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r
532 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES |\r
533 POPT_EN_32X|POPT_EN_PWM;\r
534 defaultConfig.s_PsndRate = 44100;\r
535 defaultConfig.s_PicoRegion = 0; // auto\r
536 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
537 defaultConfig.s_PicoCDBuffers = 0;\r
fcdefcf6 538 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r
697746df 539 defaultConfig.Frameskip = -1; // auto\r
540 defaultConfig.volume = 50;\r
541 defaultConfig.gamma = 100;\r
542 defaultConfig.scaling = 0;\r
543 defaultConfig.turbo_rate = 15;\r
544\r
545 // platform specific overrides\r
546 pemu_prep_defconfig();\r
547}\r
548\r
d90f5bd7 549void emu_set_defconfig(void)\r
ca482e5d 550{\r
a47dd663 551 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
ca482e5d 552 PicoOpt = currentConfig.s_PicoOpt;\r
553 PsndRate = currentConfig.s_PsndRate;\r
554 PicoRegionOverride = currentConfig.s_PicoRegion;\r
555 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
556 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
fcdefcf6 557 p32x_msh2_multiplier = MSH2_MULTI_DEFAULT;\r
558 p32x_ssh2_multiplier = SSH2_MULTI_DEFAULT;\r
ca482e5d 559}\r
560\r
fcdefcf6 561int emu_read_config(const char *rom_fname, int no_defaults)\r
ea8c405f 562{\r
58c86d00 563 char cfg[512];\r
58c86d00 564 int ret;\r
ea8c405f 565\r
490eb480 566 if (!no_defaults)\r
567 emu_set_defconfig();\r
568\r
fcdefcf6 569 if (rom_fname == NULL)\r
ea8c405f 570 {\r
fcdefcf6 571 // global config\r
08fe8094 572 make_config_cfg(cfg);\r
58c86d00 573 ret = config_readsect(cfg, NULL);\r
ea8c405f 574 }\r
58c86d00 575 else\r
576 {\r
fcdefcf6 577 char *sect = emu_make_rom_id(rom_fname);\r
ea8c405f 578\r
58c86d00 579 if (config_slot != 0)\r
580 sprintf(cfg, "game.%i.cfg", config_slot);\r
581 else strcpy(cfg, "game.cfg");\r
1ca2ea4f 582\r
583 ret = -1;\r
08fe8094 584 if (config_havesect(cfg, sect))\r
585 {\r
586 // read user's config\r
7b802576 587 int vol = currentConfig.volume;\r
d90f5bd7 588 emu_set_defconfig();\r
1ca2ea4f 589 ret = config_readsect(cfg, sect);\r
7b802576 590 currentConfig.volume = vol; // make vol global (bah)\r
1ca2ea4f 591 }\r
a39b7867 592 else\r
08fe8094 593 {\r
594 // read global config, and apply game_def.cfg on top\r
595 make_config_cfg(cfg);\r
596 config_readsect(cfg, NULL);\r
d8afe7b8 597 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
598 ret = config_readsect(cfg, sect);\r
08fe8094 599 }\r
58c86d00 600\r
ca482e5d 601 if (ret == 0)\r
58c86d00 602 {\r
1ca2ea4f 603 lprintf("loaded cfg from sect \"%s\"\n", sect);\r
58c86d00 604 }\r
ea8c405f 605 }\r
58c86d00 606\r
697746df 607 pemu_validate_config();\r
ee2a3bdf 608\r
ea8c405f 609 // some sanity checks\r
2445b7cb 610#ifdef PSP\r
ee2a3bdf 611 /* TODO: mv to plat_validate_config() */\r
612 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
2445b7cb 613 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
6fc57144 614 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
2445b7cb 615#endif\r
ee2a3bdf 616 if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
617 currentConfig.volume = 50;\r
618\r
619 if (ret == 0)\r
620 config_slot_current = config_slot;\r
991473ad 621\r
58c86d00 622 return (ret == 0);\r
ea8c405f 623}\r
624\r
625\r
a47dd663 626int emu_write_config(int is_game)\r
ea8c405f 627{\r
58c86d00 628 char cfg[512], *game_sect = NULL;\r
629 int ret, write_lrom = 0;\r
ea8c405f 630\r
58c86d00 631 if (!is_game)\r
ea8c405f 632 {\r
ca482e5d 633 make_config_cfg(cfg);\r
58c86d00 634 write_lrom = 1;\r
ea8c405f 635 } else {\r
636 if (config_slot != 0)\r
58c86d00 637 sprintf(cfg, "game.%i.cfg", config_slot);\r
638 else strcpy(cfg, "game.cfg");\r
fcdefcf6 639 game_sect = emu_make_rom_id(rom_fname_loaded);\r
a47dd663 640 lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r
ea8c405f 641 }\r
642\r
a47dd663 643 lprintf("emu_write_config: %s ", cfg);\r
58c86d00 644 ret = config_writesect(cfg, game_sect);\r
1ca2ea4f 645 if (write_lrom) config_writelrom(cfg);\r
ea8c405f 646#ifndef NO_SYNC\r
58c86d00 647 sync();\r
ea8c405f 648#endif\r
58c86d00 649 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 650\r
58c86d00 651 if (ret == 0) config_slot_current = config_slot;\r
652 return ret == 0;\r
ea8c405f 653}\r
654\r
655\r
e2de9939 656/* always using built-in font */\r
657\r
cc41eb4f 658#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
e2de9939 659void name(int x, int y, const char *text) \\r
660{ \\r
661 int i, l, len = strlen(text); \\r
cc41eb4f 662 type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
e2de9939 663 \\r
cc41eb4f 664 for (i = 0; i < len; i++, screen += 8 * step_x) \\r
e2de9939 665 { \\r
666 for (l = 0; l < 8; l++) \\r
667 { \\r
668 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
cc41eb4f 669 type *s = screen + l * step_y; \\r
670 if (fd&0x80) s[step_x * 0] = val; \\r
671 if (fd&0x40) s[step_x * 1] = val; \\r
672 if (fd&0x20) s[step_x * 2] = val; \\r
673 if (fd&0x10) s[step_x * 3] = val; \\r
674 if (fd&0x08) s[step_x * 4] = val; \\r
675 if (fd&0x04) s[step_x * 5] = val; \\r
676 if (fd&0x02) s[step_x * 6] = val; \\r
677 if (fd&0x01) s[step_x * 7] = val; \\r
e2de9939 678 } \\r
679 } \\r
ea8c405f 680}\r
681\r
cc41eb4f 682mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r
683mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r
684mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
685 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
686mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
687 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
ea8c405f 688\r
e2de9939 689#undef mk_text_out\r
ea8c405f 690\r
691\r
d34a42f9 692void update_movie(void)\r
ea8c405f 693{\r
694 int offs = Pico.m.frame_count*3 + 0x40;\r
695 if (offs+3 > movie_size) {\r
696 free(movie_data);\r
697 movie_data = 0;\r
b24e0f6c 698 emu_status_msg("END OF MOVIE.");\r
ea8c405f 699 lprintf("END OF MOVIE.\n");\r
ea8c405f 700 } else {\r
701 // MXYZ SACB RLDU\r
702 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
f8af9634 703 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
704 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
705 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
ea8c405f 706 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
f8af9634 707 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
708 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
709 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
ea8c405f 710 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
711 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
712 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
713 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
714 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
715 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
716 }\r
717}\r
718\r
ea8c405f 719static int try_ropen_file(const char *fname)\r
720{\r
721 FILE *f;\r
722\r
723 f = fopen(fname, "rb");\r
724 if (f) {\r
725 fclose(f);\r
726 return 1;\r
727 }\r
728 return 0;\r
729}\r
730\r
a47dd663 731char *emu_get_save_fname(int load, int is_sram, int slot)\r
ea8c405f 732{\r
ae87bffa 733 char *saveFname = static_buff;\r
ea8c405f 734 char ext[16];\r
735\r
736 if (is_sram)\r
737 {\r
6bc00695 738 strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
fcdefcf6 739 romfname_ext(saveFname, sizeof(static_buff),\r
740 (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r
6bc00695 741 if (!load)\r
742 return saveFname;\r
743\r
744 if (try_ropen_file(saveFname))\r
745 return saveFname;\r
746\r
fcdefcf6 747 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
6bc00695 748 if (try_ropen_file(saveFname))\r
749 return saveFname;\r
ea8c405f 750 }\r
751 else\r
752 {\r
6bc00695 753 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r
754 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r
ea8c405f 755 ext[0] = 0;\r
6bc00695 756 if (slot > 0 && slot < 10)\r
757 sprintf(ext, ".%i", slot);\r
758 strcat(ext, ext_main);\r
759\r
760 if (!load) {\r
fcdefcf6 761 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 762 return saveFname;\r
763 }\r
764 else {\r
fcdefcf6 765 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 766 if (try_ropen_file(saveFname))\r
767 return saveFname;\r
ea8c405f 768\r
fcdefcf6 769 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
6bc00695 770 if (try_ropen_file(saveFname))\r
771 return saveFname;\r
772\r
773 // try the other ext\r
774 ext[0] = 0;\r
775 if (slot > 0 && slot < 10)\r
776 sprintf(ext, ".%i", slot);\r
777 strcat(ext, ext_othr);\r
778\r
fcdefcf6 779 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r
6bc00695 780 if (try_ropen_file(saveFname))\r
781 return saveFname;\r
ea8c405f 782 }\r
783 }\r
784\r
6bc00695 785 return NULL;\r
ea8c405f 786}\r
787\r
cca8800d 788int emu_check_save_file(int slot, int *time)\r
ea8c405f 789{\r
a47dd663 790 return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
ea8c405f 791}\r
792\r
a47dd663 793int emu_save_load_game(int load, int sram)\r
ea8c405f 794{\r
795 int ret = 0;\r
796 char *saveFname;\r
797\r
798 // make save filename\r
a47dd663 799 saveFname = emu_get_save_fname(load, sram, state_slot);\r
ea8c405f 800 if (saveFname == NULL) {\r
d34a42f9 801 if (!sram)\r
b24e0f6c 802 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
ea8c405f 803 return -1;\r
804 }\r
805\r
806 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
807\r
da42200b 808 if (sram)\r
809 {\r
ea8c405f 810 FILE *sramFile;\r
811 int sram_size;\r
812 unsigned char *sram_data;\r
813 int truncate = 1;\r
602133e1 814 if (PicoAHW & PAHW_MCD)\r
815 {\r
45f2f245 816 if (PicoOpt & POPT_EN_MCD_RAMCART) {\r
ea8c405f 817 sram_size = 0x12000;\r
818 sram_data = SRam.data;\r
819 if (sram_data)\r
820 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
821 } else {\r
822 sram_size = 0x2000;\r
823 sram_data = Pico_mcd->bram;\r
824 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
825 }\r
826 } else {\r
45f2f245 827 sram_size = SRam.size;\r
ea8c405f 828 sram_data = SRam.data;\r
829 }\r
b8a1c09a 830 if (sram_data == NULL)\r
831 return 0; // SRam forcefully disabled for this game\r
ea8c405f 832\r
602133e1 833 if (load)\r
834 {\r
ea8c405f 835 sramFile = fopen(saveFname, "rb");\r
b8a1c09a 836 if (!sramFile)\r
837 return -1;\r
838 ret = fread(sram_data, 1, sram_size, sramFile);\r
839 ret = ret > 0 ? 0 : -1;\r
ea8c405f 840 fclose(sramFile);\r
602133e1 841 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
ea8c405f 842 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
843 } else {\r
844 // sram save needs some special processing\r
845 // see if we have anything to save\r
846 for (; sram_size > 0; sram_size--)\r
847 if (sram_data[sram_size-1]) break;\r
848\r
849 if (sram_size) {\r
850 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
851 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
852 if (!sramFile) return -1;\r
853 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
854 ret = (ret != sram_size) ? -1 : 0;\r
855 fclose(sramFile);\r
856#ifndef NO_SYNC\r
857 sync();\r
858#endif\r
859 }\r
860 }\r
861 return ret;\r
862 }\r
863 else\r
864 {\r
bcc9eda0 865 ret = PicoState(saveFname, !load);\r
866 if (!ret) {\r
ea8c405f 867#ifndef NO_SYNC\r
bcc9eda0 868 if (!load) sync();\r
ea8c405f 869#endif\r
54646a39 870 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
bcc9eda0 871 } else {\r
b24e0f6c 872 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ea8c405f 873 ret = -1;\r
874 }\r
875\r
ea8c405f 876 return ret;\r
877 }\r
878}\r
bdec53c9 879\r
a47dd663 880void emu_set_fastforward(int set_on)\r
c060a9ab 881{\r
882 static void *set_PsndOut = NULL;\r
883 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
884\r
885 if (set_on && !is_on) {\r
886 set_PsndOut = PsndOut;\r
887 set_Frameskip = currentConfig.Frameskip;\r
888 set_EmuOpt = currentConfig.EmuOpt;\r
889 PsndOut = NULL;\r
890 currentConfig.Frameskip = 8;\r
891 currentConfig.EmuOpt &= ~4;\r
892 currentConfig.EmuOpt |= 0x40000;\r
893 is_on = 1;\r
b24e0f6c 894 emu_status_msg("FAST FORWARD");\r
c060a9ab 895 }\r
896 else if (!set_on && is_on) {\r
897 PsndOut = set_PsndOut;\r
898 currentConfig.Frameskip = set_Frameskip;\r
899 currentConfig.EmuOpt = set_EmuOpt;\r
900 PsndRerate(1);\r
901 is_on = 0;\r
902 }\r
903}\r
904\r
d687ef50 905static void emu_tray_open(void)\r
c060a9ab 906{\r
d687ef50 907 engineState = PGS_TrayMenu;\r
908}\r
909\r
910static void emu_tray_close(void)\r
911{\r
912 emu_status_msg("CD tray closed.");\r
f2cf8472 913}\r
914\r
974fdb5b 915void emu_32x_startup(void)\r
916{\r
c7eb229a 917 plat_video_toggle_renderer(0, 0); // HACK\r
974fdb5b 918 system_announce();\r
c7eb229a 919\r
920 // force mode change event\r
921 rendstatus_old = -1;\r
974fdb5b 922}\r
923\r
f2cf8472 924void emu_reset_game(void)\r
925{\r
926 PicoReset();\r
927 reset_timing = 1;\r
928}\r
929\r
930void run_events_pico(unsigned int events)\r
931{\r
932 int lim_x;\r
933\r
934 if (events & PEV_PICO_SWINP) {\r
c060a9ab 935 pico_inp_mode++;\r
d34a42f9 936 if (pico_inp_mode > 2)\r
937 pico_inp_mode = 0;\r
c060a9ab 938 switch (pico_inp_mode) {\r
b24e0f6c 939 case 2: emu_status_msg("Input: Pen on Pad"); break;\r
940 case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
941 case 0: emu_status_msg("Input: Joystick");\r
c060a9ab 942 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
943 break;\r
944 }\r
c060a9ab 945 }\r
f2cf8472 946 if (events & PEV_PICO_PPREV) {\r
c060a9ab 947 PicoPicohw.page--;\r
d34a42f9 948 if (PicoPicohw.page < 0)\r
949 PicoPicohw.page = 0;\r
b24e0f6c 950 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 951 }\r
f2cf8472 952 if (events & PEV_PICO_PNEXT) {\r
c060a9ab 953 PicoPicohw.page++;\r
d34a42f9 954 if (PicoPicohw.page > 6)\r
955 PicoPicohw.page = 6;\r
b24e0f6c 956 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 957 }\r
f2cf8472 958\r
959 if (pico_inp_mode == 0)\r
960 return;\r
961\r
962 /* handle other input modes */\r
963 if (PicoPad[0] & 1) pico_pen_y--;\r
964 if (PicoPad[0] & 2) pico_pen_y++;\r
965 if (PicoPad[0] & 4) pico_pen_x--;\r
966 if (PicoPad[0] & 8) pico_pen_x++;\r
967 PicoPad[0] &= ~0x0f; // release UDLR\r
968\r
969 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
970 if (pico_pen_y < 8)\r
971 pico_pen_y = 8;\r
972 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r
973 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r
974 if (pico_pen_x < 0)\r
975 pico_pen_x = 0;\r
976 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r
977 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r
978\r
979 PicoPicohw.pen_pos[0] = pico_pen_x;\r
980 if (!(Pico.video.reg[12] & 1))\r
981 PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r
982 PicoPicohw.pen_pos[0] += 0x3c;\r
983 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
c060a9ab 984}\r
985\r
d34a42f9 986static void do_turbo(int *pad, int acts)\r
f0f0d2df 987{\r
988 static int turbo_pad = 0;\r
989 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
990 int inc = currentConfig.turbo_rate * 2;\r
991\r
992 if (acts & 0x1000) {\r
993 turbo_cnt[0] += inc;\r
994 if (turbo_cnt[0] >= 60)\r
995 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
996 }\r
997 if (acts & 0x2000) {\r
998 turbo_cnt[1] += inc;\r
999 if (turbo_cnt[1] >= 60)\r
1000 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1001 }\r
1002 if (acts & 0x4000) {\r
1003 turbo_cnt[2] += inc;\r
1004 if (turbo_cnt[2] >= 60)\r
1005 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1006 }\r
1007 *pad |= turbo_pad & (acts >> 8);\r
1008}\r
c060a9ab 1009\r
f2cf8472 1010static void run_events_ui(unsigned int which)\r
d34a42f9 1011{\r
1012 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
1013 {\r
1014 int do_it = 1;\r
cca8800d 1015 if ( emu_check_save_file(state_slot, NULL) &&\r
fcdefcf6 1016 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r
1017 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r
d34a42f9 1018 {\r
1019 const char *nm;\r
1020 char tmp[64];\r
1021 int keys, len;\r
1022\r
1023 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r
1024 len = strlen(tmp);\r
1025 nm = in_get_key_name(-1, -PBTN_MA3);\r
1026 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
1027 len = strlen(tmp);\r
1028 nm = in_get_key_name(-1, -PBTN_MBACK);\r
1029 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
1030\r
1031 plat_status_msg_busy_first(tmp);\r
1032\r
45285368 1033 in_set_config_int(0, IN_CFG_BLOCKING, 1);\r
13450307 1034 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1035 ;\r
13450307 1036 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )\r
d34a42f9 1037 ;\r
1038 if (keys & PBTN_MBACK)\r
1039 do_it = 0;\r
13450307 1040 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1041 ;\r
45285368 1042 in_set_config_int(0, IN_CFG_BLOCKING, 0);\r
d34a42f9 1043 }\r
1044 if (do_it) {\r
54646a39 1045 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
d34a42f9 1046 PicoStateProgressCB = plat_status_msg_busy_next;\r
a47dd663 1047 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
d34a42f9 1048 PicoStateProgressCB = NULL;\r
1049 }\r
1050 }\r
5a681086 1051 if (which & PEV_SWITCH_RND)\r
d34a42f9 1052 {\r
5a681086 1053 plat_video_toggle_renderer(1, 0);\r
d34a42f9 1054 }\r
1055 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
1056 {\r
1057 if (which & PEV_SSLOT_PREV) {\r
1058 state_slot -= 1;\r
1059 if (state_slot < 0)\r
1060 state_slot = 9;\r
1061 } else {\r
1062 state_slot += 1;\r
1063 if (state_slot > 9)\r
1064 state_slot = 0;\r
1065 }\r
1066\r
b24e0f6c 1067 emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
cca8800d 1068 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");\r
d34a42f9 1069 }\r
1070 if (which & PEV_MENU)\r
1071 engineState = PGS_Menu;\r
1072}\r
1073\r
1074void emu_update_input(void)\r
1075{\r
093b8a42 1076 static int prev_events = 0;\r
1077 int actions[IN_BINDTYPE_COUNT] = { 0, };\r
1078 int pl_actions[2];\r
1079 int events;\r
d34a42f9 1080\r
093b8a42 1081 in_update(actions);\r
d34a42f9 1082\r
093b8a42 1083 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
1084 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
d34a42f9 1085\r
093b8a42 1086 PicoPad[0] = pl_actions[0] & 0xfff;\r
1087 PicoPad[1] = pl_actions[1] & 0xfff;\r
d34a42f9 1088\r
093b8a42 1089 if (pl_actions[0] & 0x7000)\r
1090 do_turbo(&PicoPad[0], pl_actions[0]);\r
1091 if (pl_actions[1] & 0x7000)\r
1092 do_turbo(&PicoPad[1], pl_actions[1]);\r
1093\r
1094 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1095\r
1096 // volume is treated in special way and triggered every frame\r
1097 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
1098 plat_update_volume(1, events & PEV_VOL_UP);\r
1099\r
093b8a42 1100 if ((events ^ prev_events) & PEV_FF) {\r
a47dd663 1101 emu_set_fastforward(events & PEV_FF);\r
d34a42f9 1102 plat_update_volume(0, 0);\r
f2cf8472 1103 reset_timing = 1;\r
d34a42f9 1104 }\r
1105\r
093b8a42 1106 events &= ~prev_events;\r
d34a42f9 1107\r
f2cf8472 1108 if (PicoAHW == PAHW_PICO)\r
1109 run_events_pico(events);\r
d34a42f9 1110 if (events)\r
f2cf8472 1111 run_events_ui(events);\r
d34a42f9 1112 if (movie_data)\r
1113 update_movie();\r
1114\r
093b8a42 1115 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1116}\r
1117\r
f2cf8472 1118static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
1119{\r
1120 strcpy(path_with_reserve + pos, name);\r
1121 if (plat_is_dir(path_with_reserve))\r
1122 return;\r
1123 if (mkdir(path_with_reserve, 0777) < 0)\r
1124 lprintf("failed to create: %s\n", path_with_reserve);\r
1125}\r
1126\r
a4edca53 1127void emu_cmn_forced_frame(int no_scale, int do_emu)\r
1128{\r
1129 int po_old = PicoOpt;\r
1130\r
1131 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
1132\r
8340e7c9 1133 PicoOpt &= ~POPT_ALT_RENDERER;\r
a4edca53 1134 PicoOpt |= POPT_ACC_SPRITES;\r
1135 if (!no_scale)\r
1136 PicoOpt |= POPT_EN_SOFTSCALE;\r
1137\r
1138 PicoDrawSetOutFormat(PDF_RGB555, 1);\r
1139 Pico.m.dirtyPal = 1;\r
1140 if (do_emu)\r
1141 PicoFrame();\r
1142 else\r
1143 PicoFrameDrawOnly();\r
1144\r
1145 PicoOpt = po_old;\r
1146}\r
1147\r
f2cf8472 1148void emu_init(void)\r
1149{\r
27701801 1150 char path[512];\r
f2cf8472 1151 int pos;\r
1152\r
83ff19ec 1153#if 0\r
1154 // FIXME: handle through menu, etc\r
1155 FILE *f;\r
1156 f = fopen("32X_M_BIOS.BIN", "rb");\r
1157 p32x_bios_m = malloc(2048);\r
1158 fread(p32x_bios_m, 1, 2048, f);\r
1159 fclose(f);\r
1160 f = fopen("32X_S_BIOS.BIN", "rb");\r
1161 p32x_bios_s = malloc(1024);\r
1162 fread(p32x_bios_s, 1, 1024, f);\r
1163 fclose(f);\r
1164#endif\r
1165\r
f2cf8472 1166 /* make dirs for saves */\r
27701801 1167 pos = plat_get_root_dir(path, sizeof(path) - 4);\r
1168 mkdir_path(path, pos, "mds");\r
1169 mkdir_path(path, pos, "srm");\r
1170 mkdir_path(path, pos, "brm");\r
1171\r
f6c49d38 1172 pprof_init();\r
1173\r
27701801 1174 make_config_cfg(path);\r
1175 config_readlrom(path);\r
f2cf8472 1176\r
1177 PicoInit();\r
1178 PicoMessage = plat_status_msg_busy_next;\r
d687ef50 1179 PicoMCDopenTray = emu_tray_open;\r
1180 PicoMCDcloseTray = emu_tray_close;\r
df92fbd1 1181\r
1182 sndout_init();\r
f2cf8472 1183}\r
1184\r
1185void emu_finish(void)\r
1186{\r
1187 // save SRAM\r
a47dd663 1188 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1189 emu_save_load_game(0, 1);\r
f2cf8472 1190 SRam.changed = 0;\r
1191 }\r
1192\r
27701801 1193 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
1194 char cfg[512];\r
1195 make_config_cfg(cfg);\r
1196 config_writelrom(cfg);\r
1197#ifndef NO_SYNC\r
1198 sync();\r
1199#endif\r
1200 }\r
f2cf8472 1201\r
f6c49d38 1202 pprof_finish();\r
1203\r
f2cf8472 1204 PicoExit();\r
df92fbd1 1205 sndout_exit();\r
1206}\r
1207\r
1208static void snd_write_nonblocking(int len)\r
1209{\r
1210 sndout_write_nb(PsndOut, len);\r
1211}\r
1212\r
1213void emu_sound_start(void)\r
1214{\r
1215 PsndOut = NULL;\r
1216\r
1217 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
1218 {\r
1219 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
1220\r
1221 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
1222\r
1223 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r
1224 PsndRate, PsndLen, is_stereo, Pico.m.pal);\r
1225 sndout_start(PsndRate, is_stereo);\r
1226 PicoWriteSound = snd_write_nonblocking;\r
1227 plat_update_volume(0, 0);\r
1228 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1229 PsndOut = sndBuffer;\r
1230 }\r
1231}\r
1232\r
1233void emu_sound_stop(void)\r
1234{\r
1235 sndout_stop();\r
1236}\r
1237\r
1238void emu_sound_wait(void)\r
1239{\r
1240 sndout_wait();\r
f2cf8472 1241}\r
1242\r
d4d62665 1243static void emu_loop_prep(void)\r
1244{\r
1245 static int pal_old = -1;\r
1246 static int filter_old = -1;\r
1247\r
1248 if (currentConfig.CPUclock != plat_target_cpu_clock_get())\r
1249 plat_target_cpu_clock_set(currentConfig.CPUclock);\r
1250\r
1251 if (Pico.m.pal != pal_old) {\r
1252 plat_target_lcdrate_set(Pico.m.pal);\r
1253 pal_old = Pico.m.pal;\r
1254 }\r
1255\r
1256 if (currentConfig.filter != filter_old) {\r
1257 plat_target_hwfilter_set(currentConfig.filter);\r
1258 filter_old = currentConfig.filter;\r
1259 }\r
1260\r
1261 plat_target_gamma_set(currentConfig.gamma, 0);\r
1262\r
1263 pemu_loop_prep();\r
1264}\r
1265\r
b24e0f6c 1266static void skip_frame(int do_audio)\r
1267{\r
1268 PicoSkipFrame = do_audio ? 1 : 2;\r
1269 PicoFrame();\r
1270 PicoSkipFrame = 0;\r
1271}\r
1272\r
1273/* our tick here is 1 us right now */\r
1274#define ms_to_ticks(x) (unsigned int)(x * 1000)\r
1275#define get_ticks() plat_get_ticks_us()\r
1276\r
1277void emu_loop(void)\r
1278{\r
1279 int pframes_done; /* "period" frames, used for sync */\r
1280 int frames_done, frames_shown; /* actual frames for fps counter */\r
19954be1 1281 int target_fps, target_frametime;\r
b24e0f6c 1282 unsigned int timestamp_base = 0, timestamp_fps;\r
1283 char *notice_msg = NULL;\r
1284 char fpsbuff[24];\r
1285 int i;\r
1286\r
1287 fpsbuff[0] = 0;\r
1288\r
1289 /* make sure we are in correct mode */\r
b24e0f6c 1290 Pico.m.dirtyPal = 1;\r
19954be1 1291 rendstatus_old = -1;\r
b24e0f6c 1292\r
46bcb899 1293 PicoLoopPrepare();\r
1294\r
1295 // prepare CD buffer\r
1296 if (PicoAHW & PAHW_MCD)\r
1297 PicoCDBufferInit();\r
1298\r
636d5f25 1299 plat_video_loop_prepare();\r
d4d62665 1300 emu_loop_prep();\r
df92fbd1 1301 pemu_sound_start();\r
46bcb899 1302\r
b24e0f6c 1303 /* number of ticks per frame */\r
1304 if (Pico.m.pal) {\r
1305 target_fps = 50;\r
1306 target_frametime = ms_to_ticks(1000) / 50;\r
1307 } else {\r
1308 target_fps = 60;\r
1309 target_frametime = ms_to_ticks(1000) / 60 + 1;\r
1310 }\r
1311\r
b24e0f6c 1312 timestamp_fps = get_ticks();\r
1313 reset_timing = 1;\r
1314\r
1315 frames_done = frames_shown = pframes_done = 0;\r
1316\r
7b436906 1317 plat_video_wait_vsync();\r
1318\r
b24e0f6c 1319 /* loop with resync every 1 sec. */\r
1320 while (engineState == PGS_Running)\r
1321 {\r
1322 unsigned int timestamp;\r
1323 int diff, diff_lim;\r
b24e0f6c 1324\r
f6c49d38 1325 pprof_start(main);\r
1326\r
b24e0f6c 1327 timestamp = get_ticks();\r
1328 if (reset_timing) {\r
1329 reset_timing = 0;\r
1330 timestamp_base = timestamp;\r
1331 pframes_done = 0;\r
1332 }\r
1333\r
1334 // show notice_msg message?\r
1335 if (notice_msg_time != 0)\r
1336 {\r
1337 static int noticeMsgSum;\r
54646a39 1338 if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r
b24e0f6c 1339 notice_msg_time = 0;\r
1340 plat_status_msg_clear();\r
1341 notice_msg = NULL;\r
1342 } else {\r
1343 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
1344 if (sum != noticeMsgSum) {\r
1345 plat_status_msg_clear();\r
1346 noticeMsgSum = sum;\r
1347 }\r
1348 notice_msg = noticeMsg;\r
1349 }\r
1350 }\r
1351\r
b24e0f6c 1352 // second changed?\r
1353 if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r
1354 {\r
1355#ifdef BENCHMARK\r
1356 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1357 if (++bench == 10) {\r
1358 bench = 0;\r
1359 bench_fps_s = bench_fps;\r
1360 bf[bfp++ & 3] = bench_fps;\r
1361 bench_fps = 0;\r
1362 }\r
1363 bench_fps += frames_shown;\r
1364 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
07e5dbab 1365 printf("%s\n", fpsbuff);\r
b24e0f6c 1366#else\r
1367 if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r
1368 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1369 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
1370 }\r
1371#endif\r
1372 frames_shown = frames_done = 0;\r
1373 timestamp_fps += ms_to_ticks(1000);\r
1374 }\r
1375#ifdef PFRAMES\r
1376 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1377#endif\r
1378\r
1379 if (timestamp - timestamp_base >= ms_to_ticks(1000))\r
1380 {\r
21ecaf23 1381 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r
b24e0f6c 1382 pframes_done = 0;\r
5a681086 1383 else\r
b24e0f6c 1384 pframes_done -= target_fps;\r
5a681086 1385 if (pframes_done < -2) {\r
1386 /* don't drag more than 2 frames behind */\r
1387 pframes_done = -2;\r
1388 timestamp_base = timestamp - 2 * target_frametime;\r
21ecaf23 1389 }\r
5a681086 1390 else\r
1391 timestamp_base += ms_to_ticks(1000);\r
b24e0f6c 1392 }\r
1393\r
1394 diff = timestamp - timestamp_base;\r
1395 diff_lim = (pframes_done + 1) * target_frametime;\r
1396\r
1397 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
1398 {\r
1399 for (i = 0; i < currentConfig.Frameskip; i++) {\r
1400 emu_update_input();\r
1401 skip_frame(1);\r
1402 pframes_done++; frames_done++;\r
1403 diff_lim += target_frametime;\r
1404\r
ae87bffa 1405 if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {\r
b24e0f6c 1406 timestamp = get_ticks();\r
1407 diff = timestamp - timestamp_base;\r
0d83abe2 1408 if (!reset_timing && diff < diff_lim) // we are too fast\r
b24e0f6c 1409 plat_wait_till_us(timestamp_base + diff_lim);\r
1410 }\r
1411 }\r
1412 }\r
1413 else if (diff > diff_lim)\r
1414 {\r
1415 /* no time left for this frame - skip */\r
5a681086 1416 /* limit auto frameskip to 8 */\r
1417 if (frames_done / 8 <= frames_shown) {\r
1418 emu_update_input();\r
1419 skip_frame(diff < diff_lim + target_frametime * 16);\r
1420 pframes_done++; frames_done++;\r
b24e0f6c 1421 continue;\r
1422 }\r
b24e0f6c 1423 }\r
1424\r
1425 emu_update_input();\r
1426 PicoFrame();\r
d08e7326 1427 pemu_finalize_frame(fpsbuff, notice_msg);\r
1428\r
f6c49d38 1429 // plat_video_flip();\r
b24e0f6c 1430\r
1431 /* frame limiter */\r
ae87bffa 1432 if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r
b24e0f6c 1433 {\r
1434 timestamp = get_ticks();\r
1435 diff = timestamp - timestamp_base;\r
1436\r
1437 // sleep or vsync if we are still too fast\r
1438 if (diff < diff_lim)\r
1439 {\r
1440 // we are too fast\r
7b436906 1441 plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r
1442 if (currentConfig.EmuOpt & EOPT_VSYNC)\r
b24e0f6c 1443 plat_video_wait_vsync();\r
b24e0f6c 1444 }\r
1445 }\r
1446\r
d08e7326 1447 // XXX: for some plats it might be better to flip before vsync\r
1448 // (due to shadow registers in display hw)\r
1449 plat_video_flip();\r
b24e0f6c 1450\r
1451 pframes_done++; frames_done++; frames_shown++;\r
f6c49d38 1452\r
1453 pprof_end(main);\r
b24e0f6c 1454 }\r
1455\r
1456 emu_set_fastforward(0);\r
1457\r
b24e0f6c 1458 // save SRAM\r
1459 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1460 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
1461 emu_save_load_game(0, 1);\r
1462 SRam.changed = 0;\r
1463 }\r
1464\r
b24e0f6c 1465 pemu_loop_end();\r
df92fbd1 1466 emu_sound_stop();\r
730259b7 1467\r
1468 // pemu_loop_end() might want to do 1 frame for bg image,\r
1469 // so free CD buffer here\r
1470 if (PicoAHW & PAHW_MCD)\r
1471 PicoCDBufferFree();\r
b24e0f6c 1472}\r
1473\r
fast MegaDrive/MegaCD/32X emulator