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32x: some mapping corrections
[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
c46ffd31 46char *PicoConfigFile = "config.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
4b167c12 447 menu_romload_end();\r
636d5f25 448 menu_romload_started = 0;\r
4b167c12 449\r
ea8c405f 450 if (PicoPatches) {\r
451 PicoPatchPrepare();\r
452 PicoPatchApply();\r
453 }\r
454\r
455 // additional movie stuff\r
f9f40f10 456 if (movie_data)\r
457 {\r
531a8f38 458 enum input_device indev = (movie_data[0x14] == '6') ?\r
459 PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;\r
460 PicoSetInputDevice(0, indev);\r
461 PicoSetInputDevice(1, indev);\r
462\r
2aa27095 463 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 464 if (movie_data[0xF] >= 'A') {\r
465 if (movie_data[0x16] & 0x80) {\r
ea8c405f 466 PicoRegionOverride = 8;\r
467 } else {\r
468 PicoRegionOverride = 4;\r
469 }\r
1cb1584b 470 PicoReset();\r
ea8c405f 471 // TODO: bits 6 & 5\r
472 }\r
473 movie_data[0x18+30] = 0;\r
b24e0f6c 474 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
ea8c405f 475 }\r
476 else\r
477 {\r
974fdb5b 478 system_announce();\r
602133e1 479 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
ea8c405f 480 }\r
ea8c405f 481\r
bcc9eda0 482 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
483 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
bcc9eda0 484\r
ea8c405f 485 // load SRAM for this ROM\r
a47dd663 486 if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
487 emu_save_load_game(1, 1);\r
ea8c405f 488\r
636d5f25 489 retval = 1;\r
490out:\r
636d5f25 491 if (menu_romload_started)\r
492 menu_romload_end();\r
493 free(rom_fname);\r
494 return retval;\r
ea8c405f 495}\r
496\r
35e3031a 497int emu_swap_cd(const char *fname)\r
498{\r
499 cd_img_type cd_type;\r
500 int ret = -1;\r
501\r
4c2e3554 502 cd_type = PicoCdCheck(fname, NULL);\r
35e3031a 503 if (cd_type != CIT_NOT_CD)\r
504 ret = Insert_CD(fname, cd_type);\r
505 if (ret != 0) {\r
e743be20 506 menu_update_msg("Load failed, invalid CD image?");\r
35e3031a 507 return 0;\r
508 }\r
509\r
510 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r
511 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
512 return 1;\r
513}\r
514\r
ae87bffa 515// <base dir><end>\r
27701801 516void emu_make_path(char *buff, const char *end, int size)\r
08fe8094 517{\r
27701801 518 int pos, end_len;\r
519\r
520 end_len = strlen(end);\r
521 pos = plat_get_root_dir(buff, size);\r
522 strncpy(buff + pos, end, size - pos);\r
523 buff[size - 1] = 0;\r
524 if (pos + end_len > size - 1)\r
525 lprintf("Warning: path truncated: %s\n", buff);\r
526}\r
527\r
528static void make_config_cfg(char *cfg_buff_512)\r
529{\r
530 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
08fe8094 531 if (config_slot != 0)\r
532 {\r
27701801 533 char *p = strrchr(cfg_buff_512, '.');\r
534 if (p == NULL)\r
535 p = cfg_buff_512 + strlen(cfg_buff_512);\r
08fe8094 536 sprintf(p, ".%i.cfg", config_slot);\r
537 }\r
27701801 538 cfg_buff_512[511] = 0;\r
08fe8094 539}\r
540\r
697746df 541void emu_prep_defconfig(void)\r
542{\r
543 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
fcdefcf6 544 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_EN_CD_LEDS;\r
697746df 545 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r
720bfc5d 546 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |\r
547 POPT_EN_SVP_DRC|POPT_ACC_SPRITES |\r
697746df 548 POPT_EN_32X|POPT_EN_PWM;\r
549 defaultConfig.s_PsndRate = 44100;\r
550 defaultConfig.s_PicoRegion = 0; // auto\r
551 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
552 defaultConfig.s_PicoCDBuffers = 0;\r
fcdefcf6 553 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r
697746df 554 defaultConfig.Frameskip = -1; // auto\r
531a8f38 555 defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;\r
556 defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;\r
697746df 557 defaultConfig.volume = 50;\r
558 defaultConfig.gamma = 100;\r
559 defaultConfig.scaling = 0;\r
560 defaultConfig.turbo_rate = 15;\r
ed4402a7 561 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;\r
562 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;\r
697746df 563\r
564 // platform specific overrides\r
565 pemu_prep_defconfig();\r
566}\r
567\r
d90f5bd7 568void emu_set_defconfig(void)\r
ca482e5d 569{\r
a47dd663 570 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
ca482e5d 571 PicoOpt = currentConfig.s_PicoOpt;\r
572 PsndRate = currentConfig.s_PsndRate;\r
573 PicoRegionOverride = currentConfig.s_PicoRegion;\r
574 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
575 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
576}\r
577\r
fcdefcf6 578int emu_read_config(const char *rom_fname, int no_defaults)\r
ea8c405f 579{\r
58c86d00 580 char cfg[512];\r
58c86d00 581 int ret;\r
ea8c405f 582\r
490eb480 583 if (!no_defaults)\r
584 emu_set_defconfig();\r
585\r
fcdefcf6 586 if (rom_fname == NULL)\r
ea8c405f 587 {\r
fcdefcf6 588 // global config\r
08fe8094 589 make_config_cfg(cfg);\r
58c86d00 590 ret = config_readsect(cfg, NULL);\r
ea8c405f 591 }\r
58c86d00 592 else\r
593 {\r
504e2f56 594 char ext[16];\r
595 int vol;\r
ea8c405f 596\r
58c86d00 597 if (config_slot != 0)\r
504e2f56 598 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
a39b7867 599 else\r
504e2f56 600 strcpy(ext, ".cfg");\r
601\r
602 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);\r
603\r
604 // read user's config\r
605 vol = currentConfig.volume;\r
606 ret = config_readsect(cfg, NULL);\r
607 currentConfig.volume = vol; // make vol global (bah)\r
608\r
609 if (ret != 0)\r
08fe8094 610 {\r
611 // read global config, and apply game_def.cfg on top\r
612 make_config_cfg(cfg);\r
613 config_readsect(cfg, NULL);\r
58c86d00 614\r
504e2f56 615 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
616 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));\r
58c86d00 617 }\r
ea8c405f 618 }\r
58c86d00 619\r
697746df 620 pemu_validate_config();\r
ee2a3bdf 621\r
ea8c405f 622 // some sanity checks\r
2445b7cb 623#ifdef PSP\r
ee2a3bdf 624 /* TODO: mv to plat_validate_config() */\r
625 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
2445b7cb 626 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
6fc57144 627 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
2445b7cb 628#endif\r
ee2a3bdf 629 if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
630 currentConfig.volume = 50;\r
631\r
632 if (ret == 0)\r
633 config_slot_current = config_slot;\r
991473ad 634\r
58c86d00 635 return (ret == 0);\r
ea8c405f 636}\r
637\r
638\r
a47dd663 639int emu_write_config(int is_game)\r
ea8c405f 640{\r
504e2f56 641 char cfg[512];\r
58c86d00 642 int ret, write_lrom = 0;\r
ea8c405f 643\r
58c86d00 644 if (!is_game)\r
ea8c405f 645 {\r
ca482e5d 646 make_config_cfg(cfg);\r
58c86d00 647 write_lrom = 1;\r
ea8c405f 648 } else {\r
504e2f56 649 char ext[16];\r
650\r
ea8c405f 651 if (config_slot != 0)\r
504e2f56 652 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
653 else\r
654 strcpy(ext, ".cfg");\r
655\r
656 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);\r
ea8c405f 657 }\r
658\r
a47dd663 659 lprintf("emu_write_config: %s ", cfg);\r
504e2f56 660 ret = config_write(cfg);\r
1ca2ea4f 661 if (write_lrom) config_writelrom(cfg);\r
9c9cda8c 662#ifdef __GP2X__\r
58c86d00 663 sync();\r
ea8c405f 664#endif\r
58c86d00 665 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 666\r
58c86d00 667 if (ret == 0) config_slot_current = config_slot;\r
668 return ret == 0;\r
ea8c405f 669}\r
670\r
671\r
e2de9939 672/* always using built-in font */\r
673\r
cc41eb4f 674#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
e2de9939 675void name(int x, int y, const char *text) \\r
676{ \\r
677 int i, l, len = strlen(text); \\r
cc41eb4f 678 type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
e2de9939 679 \\r
cc41eb4f 680 for (i = 0; i < len; i++, screen += 8 * step_x) \\r
e2de9939 681 { \\r
682 for (l = 0; l < 8; l++) \\r
683 { \\r
684 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
cc41eb4f 685 type *s = screen + l * step_y; \\r
686 if (fd&0x80) s[step_x * 0] = val; \\r
687 if (fd&0x40) s[step_x * 1] = val; \\r
688 if (fd&0x20) s[step_x * 2] = val; \\r
689 if (fd&0x10) s[step_x * 3] = val; \\r
690 if (fd&0x08) s[step_x * 4] = val; \\r
691 if (fd&0x04) s[step_x * 5] = val; \\r
692 if (fd&0x02) s[step_x * 6] = val; \\r
693 if (fd&0x01) s[step_x * 7] = val; \\r
e2de9939 694 } \\r
695 } \\r
ea8c405f 696}\r
697\r
cc41eb4f 698mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r
699mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r
700mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
701 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
702mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
703 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
ea8c405f 704\r
e2de9939 705#undef mk_text_out\r
ea8c405f 706\r
707\r
d34a42f9 708void update_movie(void)\r
ea8c405f 709{\r
710 int offs = Pico.m.frame_count*3 + 0x40;\r
711 if (offs+3 > movie_size) {\r
712 free(movie_data);\r
713 movie_data = 0;\r
b24e0f6c 714 emu_status_msg("END OF MOVIE.");\r
ea8c405f 715 lprintf("END OF MOVIE.\n");\r
ea8c405f 716 } else {\r
717 // MXYZ SACB RLDU\r
718 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
f8af9634 719 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
720 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
721 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
ea8c405f 722 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
f8af9634 723 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
724 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
725 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
ea8c405f 726 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
727 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
728 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
729 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
730 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
731 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
732 }\r
733}\r
734\r
ea8c405f 735static int try_ropen_file(const char *fname)\r
736{\r
737 FILE *f;\r
738\r
739 f = fopen(fname, "rb");\r
740 if (f) {\r
741 fclose(f);\r
742 return 1;\r
743 }\r
744 return 0;\r
745}\r
746\r
a47dd663 747char *emu_get_save_fname(int load, int is_sram, int slot)\r
ea8c405f 748{\r
ae87bffa 749 char *saveFname = static_buff;\r
ea8c405f 750 char ext[16];\r
751\r
752 if (is_sram)\r
753 {\r
6bc00695 754 strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
fcdefcf6 755 romfname_ext(saveFname, sizeof(static_buff),\r
756 (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r
6bc00695 757 if (!load)\r
758 return saveFname;\r
759\r
760 if (try_ropen_file(saveFname))\r
761 return saveFname;\r
762\r
fcdefcf6 763 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
6bc00695 764 if (try_ropen_file(saveFname))\r
765 return saveFname;\r
ea8c405f 766 }\r
767 else\r
768 {\r
6bc00695 769 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r
770 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r
ea8c405f 771 ext[0] = 0;\r
6bc00695 772 if (slot > 0 && slot < 10)\r
773 sprintf(ext, ".%i", slot);\r
774 strcat(ext, ext_main);\r
775\r
776 if (!load) {\r
fcdefcf6 777 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 778 return saveFname;\r
779 }\r
780 else {\r
fcdefcf6 781 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 782 if (try_ropen_file(saveFname))\r
783 return saveFname;\r
ea8c405f 784\r
fcdefcf6 785 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
6bc00695 786 if (try_ropen_file(saveFname))\r
787 return saveFname;\r
788\r
789 // try the other ext\r
790 ext[0] = 0;\r
791 if (slot > 0 && slot < 10)\r
792 sprintf(ext, ".%i", slot);\r
793 strcat(ext, ext_othr);\r
794\r
fcdefcf6 795 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r
6bc00695 796 if (try_ropen_file(saveFname))\r
797 return saveFname;\r
ea8c405f 798 }\r
799 }\r
800\r
6bc00695 801 return NULL;\r
ea8c405f 802}\r
803\r
cca8800d 804int emu_check_save_file(int slot, int *time)\r
ea8c405f 805{\r
a47dd663 806 return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
ea8c405f 807}\r
808\r
a47dd663 809int emu_save_load_game(int load, int sram)\r
ea8c405f 810{\r
811 int ret = 0;\r
812 char *saveFname;\r
813\r
814 // make save filename\r
a47dd663 815 saveFname = emu_get_save_fname(load, sram, state_slot);\r
ea8c405f 816 if (saveFname == NULL) {\r
d34a42f9 817 if (!sram)\r
b24e0f6c 818 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
ea8c405f 819 return -1;\r
820 }\r
821\r
822 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
823\r
da42200b 824 if (sram)\r
825 {\r
ea8c405f 826 FILE *sramFile;\r
827 int sram_size;\r
828 unsigned char *sram_data;\r
829 int truncate = 1;\r
602133e1 830 if (PicoAHW & PAHW_MCD)\r
831 {\r
45f2f245 832 if (PicoOpt & POPT_EN_MCD_RAMCART) {\r
ea8c405f 833 sram_size = 0x12000;\r
834 sram_data = SRam.data;\r
835 if (sram_data)\r
836 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
837 } else {\r
838 sram_size = 0x2000;\r
839 sram_data = Pico_mcd->bram;\r
840 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
841 }\r
842 } else {\r
45f2f245 843 sram_size = SRam.size;\r
ea8c405f 844 sram_data = SRam.data;\r
845 }\r
b8a1c09a 846 if (sram_data == NULL)\r
847 return 0; // SRam forcefully disabled for this game\r
ea8c405f 848\r
602133e1 849 if (load)\r
850 {\r
ea8c405f 851 sramFile = fopen(saveFname, "rb");\r
b8a1c09a 852 if (!sramFile)\r
853 return -1;\r
854 ret = fread(sram_data, 1, sram_size, sramFile);\r
855 ret = ret > 0 ? 0 : -1;\r
ea8c405f 856 fclose(sramFile);\r
602133e1 857 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
ea8c405f 858 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
859 } else {\r
860 // sram save needs some special processing\r
861 // see if we have anything to save\r
862 for (; sram_size > 0; sram_size--)\r
863 if (sram_data[sram_size-1]) break;\r
864\r
865 if (sram_size) {\r
866 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
867 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
868 if (!sramFile) return -1;\r
869 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
870 ret = (ret != sram_size) ? -1 : 0;\r
871 fclose(sramFile);\r
9c9cda8c 872#ifdef __GP2X__\r
ea8c405f 873 sync();\r
874#endif\r
875 }\r
876 }\r
877 return ret;\r
878 }\r
879 else\r
880 {\r
bcc9eda0 881 ret = PicoState(saveFname, !load);\r
882 if (!ret) {\r
9c9cda8c 883#ifdef __GP2X__\r
bcc9eda0 884 if (!load) sync();\r
ea8c405f 885#endif\r
54646a39 886 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
bcc9eda0 887 } else {\r
b24e0f6c 888 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ea8c405f 889 ret = -1;\r
890 }\r
891\r
ea8c405f 892 return ret;\r
893 }\r
894}\r
bdec53c9 895\r
a47dd663 896void emu_set_fastforward(int set_on)\r
c060a9ab 897{\r
898 static void *set_PsndOut = NULL;\r
899 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
900\r
901 if (set_on && !is_on) {\r
902 set_PsndOut = PsndOut;\r
903 set_Frameskip = currentConfig.Frameskip;\r
904 set_EmuOpt = currentConfig.EmuOpt;\r
905 PsndOut = NULL;\r
906 currentConfig.Frameskip = 8;\r
907 currentConfig.EmuOpt &= ~4;\r
908 currentConfig.EmuOpt |= 0x40000;\r
909 is_on = 1;\r
b24e0f6c 910 emu_status_msg("FAST FORWARD");\r
c060a9ab 911 }\r
912 else if (!set_on && is_on) {\r
913 PsndOut = set_PsndOut;\r
914 currentConfig.Frameskip = set_Frameskip;\r
915 currentConfig.EmuOpt = set_EmuOpt;\r
916 PsndRerate(1);\r
917 is_on = 0;\r
918 }\r
919}\r
920\r
d687ef50 921static void emu_tray_open(void)\r
c060a9ab 922{\r
d687ef50 923 engineState = PGS_TrayMenu;\r
924}\r
925\r
926static void emu_tray_close(void)\r
927{\r
928 emu_status_msg("CD tray closed.");\r
f2cf8472 929}\r
930\r
974fdb5b 931void emu_32x_startup(void)\r
932{\r
c7eb229a 933 plat_video_toggle_renderer(0, 0); // HACK\r
974fdb5b 934 system_announce();\r
935}\r
936\r
f2cf8472 937void emu_reset_game(void)\r
938{\r
939 PicoReset();\r
940 reset_timing = 1;\r
941}\r
942\r
943void run_events_pico(unsigned int events)\r
944{\r
945 int lim_x;\r
946\r
947 if (events & PEV_PICO_SWINP) {\r
c060a9ab 948 pico_inp_mode++;\r
d34a42f9 949 if (pico_inp_mode > 2)\r
950 pico_inp_mode = 0;\r
c060a9ab 951 switch (pico_inp_mode) {\r
b24e0f6c 952 case 2: emu_status_msg("Input: Pen on Pad"); break;\r
953 case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
954 case 0: emu_status_msg("Input: Joystick");\r
c060a9ab 955 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
956 break;\r
957 }\r
c060a9ab 958 }\r
f2cf8472 959 if (events & PEV_PICO_PPREV) {\r
c060a9ab 960 PicoPicohw.page--;\r
d34a42f9 961 if (PicoPicohw.page < 0)\r
962 PicoPicohw.page = 0;\r
b24e0f6c 963 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 964 }\r
f2cf8472 965 if (events & PEV_PICO_PNEXT) {\r
c060a9ab 966 PicoPicohw.page++;\r
d34a42f9 967 if (PicoPicohw.page > 6)\r
968 PicoPicohw.page = 6;\r
b24e0f6c 969 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 970 }\r
f2cf8472 971\r
972 if (pico_inp_mode == 0)\r
973 return;\r
974\r
975 /* handle other input modes */\r
976 if (PicoPad[0] & 1) pico_pen_y--;\r
977 if (PicoPad[0] & 2) pico_pen_y++;\r
978 if (PicoPad[0] & 4) pico_pen_x--;\r
979 if (PicoPad[0] & 8) pico_pen_x++;\r
980 PicoPad[0] &= ~0x0f; // release UDLR\r
981\r
982 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
983 if (pico_pen_y < 8)\r
984 pico_pen_y = 8;\r
985 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r
986 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r
987 if (pico_pen_x < 0)\r
988 pico_pen_x = 0;\r
989 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r
990 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r
991\r
992 PicoPicohw.pen_pos[0] = pico_pen_x;\r
993 if (!(Pico.video.reg[12] & 1))\r
994 PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r
995 PicoPicohw.pen_pos[0] += 0x3c;\r
996 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
c060a9ab 997}\r
998\r
d34a42f9 999static void do_turbo(int *pad, int acts)\r
f0f0d2df 1000{\r
1001 static int turbo_pad = 0;\r
1002 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1003 int inc = currentConfig.turbo_rate * 2;\r
1004\r
1005 if (acts & 0x1000) {\r
1006 turbo_cnt[0] += inc;\r
1007 if (turbo_cnt[0] >= 60)\r
1008 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1009 }\r
1010 if (acts & 0x2000) {\r
1011 turbo_cnt[1] += inc;\r
1012 if (turbo_cnt[1] >= 60)\r
1013 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1014 }\r
1015 if (acts & 0x4000) {\r
1016 turbo_cnt[2] += inc;\r
1017 if (turbo_cnt[2] >= 60)\r
1018 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1019 }\r
1020 *pad |= turbo_pad & (acts >> 8);\r
1021}\r
c060a9ab 1022\r
f2cf8472 1023static void run_events_ui(unsigned int which)\r
d34a42f9 1024{\r
1025 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
1026 {\r
1027 int do_it = 1;\r
cca8800d 1028 if ( emu_check_save_file(state_slot, NULL) &&\r
fcdefcf6 1029 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r
1030 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r
d34a42f9 1031 {\r
1032 const char *nm;\r
1033 char tmp[64];\r
1034 int keys, len;\r
1035\r
1036 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r
1037 len = strlen(tmp);\r
1038 nm = in_get_key_name(-1, -PBTN_MA3);\r
1039 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
1040 len = strlen(tmp);\r
1041 nm = in_get_key_name(-1, -PBTN_MBACK);\r
1042 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
1043\r
1044 plat_status_msg_busy_first(tmp);\r
1045\r
45285368 1046 in_set_config_int(0, IN_CFG_BLOCKING, 1);\r
13450307 1047 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1048 ;\r
13450307 1049 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )\r
d34a42f9 1050 ;\r
1051 if (keys & PBTN_MBACK)\r
1052 do_it = 0;\r
13450307 1053 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1054 ;\r
45285368 1055 in_set_config_int(0, IN_CFG_BLOCKING, 0);\r
d34a42f9 1056 }\r
1057 if (do_it) {\r
54646a39 1058 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
d34a42f9 1059 PicoStateProgressCB = plat_status_msg_busy_next;\r
a47dd663 1060 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
d34a42f9 1061 PicoStateProgressCB = NULL;\r
1062 }\r
1063 }\r
5a681086 1064 if (which & PEV_SWITCH_RND)\r
d34a42f9 1065 {\r
5a681086 1066 plat_video_toggle_renderer(1, 0);\r
d34a42f9 1067 }\r
1068 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
1069 {\r
1070 if (which & PEV_SSLOT_PREV) {\r
1071 state_slot -= 1;\r
1072 if (state_slot < 0)\r
1073 state_slot = 9;\r
1074 } else {\r
1075 state_slot += 1;\r
1076 if (state_slot > 9)\r
1077 state_slot = 0;\r
1078 }\r
1079\r
b24e0f6c 1080 emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
cca8800d 1081 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");\r
d34a42f9 1082 }\r
1083 if (which & PEV_MENU)\r
1084 engineState = PGS_Menu;\r
1085}\r
1086\r
1087void emu_update_input(void)\r
1088{\r
093b8a42 1089 static int prev_events = 0;\r
1090 int actions[IN_BINDTYPE_COUNT] = { 0, };\r
1091 int pl_actions[2];\r
1092 int events;\r
d34a42f9 1093\r
093b8a42 1094 in_update(actions);\r
d34a42f9 1095\r
093b8a42 1096 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
1097 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
d34a42f9 1098\r
093b8a42 1099 PicoPad[0] = pl_actions[0] & 0xfff;\r
1100 PicoPad[1] = pl_actions[1] & 0xfff;\r
d34a42f9 1101\r
093b8a42 1102 if (pl_actions[0] & 0x7000)\r
1103 do_turbo(&PicoPad[0], pl_actions[0]);\r
1104 if (pl_actions[1] & 0x7000)\r
1105 do_turbo(&PicoPad[1], pl_actions[1]);\r
1106\r
1107 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1108\r
1109 // volume is treated in special way and triggered every frame\r
1110 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
1111 plat_update_volume(1, events & PEV_VOL_UP);\r
1112\r
093b8a42 1113 if ((events ^ prev_events) & PEV_FF) {\r
a47dd663 1114 emu_set_fastforward(events & PEV_FF);\r
d34a42f9 1115 plat_update_volume(0, 0);\r
f2cf8472 1116 reset_timing = 1;\r
d34a42f9 1117 }\r
1118\r
093b8a42 1119 events &= ~prev_events;\r
d34a42f9 1120\r
f2cf8472 1121 if (PicoAHW == PAHW_PICO)\r
1122 run_events_pico(events);\r
d34a42f9 1123 if (events)\r
f2cf8472 1124 run_events_ui(events);\r
d34a42f9 1125 if (movie_data)\r
1126 update_movie();\r
1127\r
093b8a42 1128 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1129}\r
1130\r
f2cf8472 1131static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
1132{\r
1133 strcpy(path_with_reserve + pos, name);\r
1134 if (plat_is_dir(path_with_reserve))\r
1135 return;\r
1136 if (mkdir(path_with_reserve, 0777) < 0)\r
1137 lprintf("failed to create: %s\n", path_with_reserve);\r
1138}\r
1139\r
a4edca53 1140void emu_cmn_forced_frame(int no_scale, int do_emu)\r
1141{\r
1142 int po_old = PicoOpt;\r
1143\r
1144 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
1145\r
8340e7c9 1146 PicoOpt &= ~POPT_ALT_RENDERER;\r
a4edca53 1147 PicoOpt |= POPT_ACC_SPRITES;\r
1148 if (!no_scale)\r
1149 PicoOpt |= POPT_EN_SOFTSCALE;\r
1150\r
1151 PicoDrawSetOutFormat(PDF_RGB555, 1);\r
1152 Pico.m.dirtyPal = 1;\r
1153 if (do_emu)\r
1154 PicoFrame();\r
1155 else\r
1156 PicoFrameDrawOnly();\r
1157\r
1158 PicoOpt = po_old;\r
1159}\r
1160\r
f2cf8472 1161void emu_init(void)\r
1162{\r
27701801 1163 char path[512];\r
f2cf8472 1164 int pos;\r
1165\r
83ff19ec 1166#if 0\r
1167 // FIXME: handle through menu, etc\r
1168 FILE *f;\r
1169 f = fopen("32X_M_BIOS.BIN", "rb");\r
1170 p32x_bios_m = malloc(2048);\r
1171 fread(p32x_bios_m, 1, 2048, f);\r
1172 fclose(f);\r
1173 f = fopen("32X_S_BIOS.BIN", "rb");\r
1174 p32x_bios_s = malloc(1024);\r
1175 fread(p32x_bios_s, 1, 1024, f);\r
1176 fclose(f);\r
1177#endif\r
1178\r
f2cf8472 1179 /* make dirs for saves */\r
27701801 1180 pos = plat_get_root_dir(path, sizeof(path) - 4);\r
1181 mkdir_path(path, pos, "mds");\r
1182 mkdir_path(path, pos, "srm");\r
1183 mkdir_path(path, pos, "brm");\r
504e2f56 1184 mkdir_path(path, pos, "cfg");\r
27701801 1185\r
f6c49d38 1186 pprof_init();\r
1187\r
27701801 1188 make_config_cfg(path);\r
1189 config_readlrom(path);\r
f2cf8472 1190\r
1191 PicoInit();\r
1192 PicoMessage = plat_status_msg_busy_next;\r
d687ef50 1193 PicoMCDopenTray = emu_tray_open;\r
1194 PicoMCDcloseTray = emu_tray_close;\r
df92fbd1 1195\r
1196 sndout_init();\r
f2cf8472 1197}\r
1198\r
1199void emu_finish(void)\r
1200{\r
1201 // save SRAM\r
a47dd663 1202 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1203 emu_save_load_game(0, 1);\r
f2cf8472 1204 SRam.changed = 0;\r
1205 }\r
1206\r
27701801 1207 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
1208 char cfg[512];\r
1209 make_config_cfg(cfg);\r
1210 config_writelrom(cfg);\r
9c9cda8c 1211#ifdef __GP2X__\r
27701801 1212 sync();\r
1213#endif\r
1214 }\r
f2cf8472 1215\r
f6c49d38 1216 pprof_finish();\r
1217\r
f2cf8472 1218 PicoExit();\r
df92fbd1 1219 sndout_exit();\r
1220}\r
1221\r
1222static void snd_write_nonblocking(int len)\r
1223{\r
1224 sndout_write_nb(PsndOut, len);\r
1225}\r
1226\r
1227void emu_sound_start(void)\r
1228{\r
1229 PsndOut = NULL;\r
1230\r
1231 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
1232 {\r
1233 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
1234\r
1235 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
1236\r
1237 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r
1238 PsndRate, PsndLen, is_stereo, Pico.m.pal);\r
1239 sndout_start(PsndRate, is_stereo);\r
1240 PicoWriteSound = snd_write_nonblocking;\r
1241 plat_update_volume(0, 0);\r
1242 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1243 PsndOut = sndBuffer;\r
1244 }\r
1245}\r
1246\r
1247void emu_sound_stop(void)\r
1248{\r
1249 sndout_stop();\r
1250}\r
1251\r
1252void emu_sound_wait(void)\r
1253{\r
1254 sndout_wait();\r
f2cf8472 1255}\r
1256\r
d4d62665 1257static void emu_loop_prep(void)\r
1258{\r
1259 static int pal_old = -1;\r
1260 static int filter_old = -1;\r
1261\r
1262 if (currentConfig.CPUclock != plat_target_cpu_clock_get())\r
1263 plat_target_cpu_clock_set(currentConfig.CPUclock);\r
1264\r
1265 if (Pico.m.pal != pal_old) {\r
1266 plat_target_lcdrate_set(Pico.m.pal);\r
1267 pal_old = Pico.m.pal;\r
1268 }\r
1269\r
1270 if (currentConfig.filter != filter_old) {\r
1271 plat_target_hwfilter_set(currentConfig.filter);\r
1272 filter_old = currentConfig.filter;\r
1273 }\r
1274\r
1275 plat_target_gamma_set(currentConfig.gamma, 0);\r
1276\r
1277 pemu_loop_prep();\r
1278}\r
1279\r
b24e0f6c 1280static void skip_frame(int do_audio)\r
1281{\r
1282 PicoSkipFrame = do_audio ? 1 : 2;\r
1283 PicoFrame();\r
1284 PicoSkipFrame = 0;\r
1285}\r
1286\r
1287/* our tick here is 1 us right now */\r
1288#define ms_to_ticks(x) (unsigned int)(x * 1000)\r
1289#define get_ticks() plat_get_ticks_us()\r
1290\r
1291void emu_loop(void)\r
1292{\r
1293 int pframes_done; /* "period" frames, used for sync */\r
1294 int frames_done, frames_shown; /* actual frames for fps counter */\r
19954be1 1295 int target_fps, target_frametime;\r
b24e0f6c 1296 unsigned int timestamp_base = 0, timestamp_fps;\r
1297 char *notice_msg = NULL;\r
1298 char fpsbuff[24];\r
1299 int i;\r
1300\r
1301 fpsbuff[0] = 0;\r
1302\r
46bcb899 1303 PicoLoopPrepare();\r
1304\r
1305 // prepare CD buffer\r
1306 if (PicoAHW & PAHW_MCD)\r
1307 PicoCDBufferInit();\r
1308\r
636d5f25 1309 plat_video_loop_prepare();\r
d4d62665 1310 emu_loop_prep();\r
df92fbd1 1311 pemu_sound_start();\r
46bcb899 1312\r
b24e0f6c 1313 /* number of ticks per frame */\r
1314 if (Pico.m.pal) {\r
1315 target_fps = 50;\r
1316 target_frametime = ms_to_ticks(1000) / 50;\r
1317 } else {\r
1318 target_fps = 60;\r
1319 target_frametime = ms_to_ticks(1000) / 60 + 1;\r
1320 }\r
1321\r
b24e0f6c 1322 timestamp_fps = get_ticks();\r
1323 reset_timing = 1;\r
1324\r
1325 frames_done = frames_shown = pframes_done = 0;\r
1326\r
7b436906 1327 plat_video_wait_vsync();\r
1328\r
b24e0f6c 1329 /* loop with resync every 1 sec. */\r
1330 while (engineState == PGS_Running)\r
1331 {\r
1332 unsigned int timestamp;\r
1333 int diff, diff_lim;\r
b24e0f6c 1334\r
f6c49d38 1335 pprof_start(main);\r
1336\r
b24e0f6c 1337 timestamp = get_ticks();\r
1338 if (reset_timing) {\r
1339 reset_timing = 0;\r
1340 timestamp_base = timestamp;\r
1341 pframes_done = 0;\r
1342 }\r
1343\r
1344 // show notice_msg message?\r
1345 if (notice_msg_time != 0)\r
1346 {\r
1347 static int noticeMsgSum;\r
54646a39 1348 if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r
b24e0f6c 1349 notice_msg_time = 0;\r
1350 plat_status_msg_clear();\r
1351 notice_msg = NULL;\r
1352 } else {\r
1353 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
1354 if (sum != noticeMsgSum) {\r
1355 plat_status_msg_clear();\r
1356 noticeMsgSum = sum;\r
1357 }\r
1358 notice_msg = noticeMsg;\r
1359 }\r
1360 }\r
1361\r
b24e0f6c 1362 // second changed?\r
1363 if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r
1364 {\r
1365#ifdef BENCHMARK\r
1366 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1367 if (++bench == 10) {\r
1368 bench = 0;\r
1369 bench_fps_s = bench_fps;\r
1370 bf[bfp++ & 3] = bench_fps;\r
1371 bench_fps = 0;\r
1372 }\r
1373 bench_fps += frames_shown;\r
1374 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
07e5dbab 1375 printf("%s\n", fpsbuff);\r
b24e0f6c 1376#else\r
b011c2af 1377 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
1378 sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);\r
b24e0f6c 1379#endif\r
1380 frames_shown = frames_done = 0;\r
1381 timestamp_fps += ms_to_ticks(1000);\r
1382 }\r
1383#ifdef PFRAMES\r
1384 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1385#endif\r
1386\r
1387 if (timestamp - timestamp_base >= ms_to_ticks(1000))\r
1388 {\r
21ecaf23 1389 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r
b24e0f6c 1390 pframes_done = 0;\r
5a681086 1391 else\r
b24e0f6c 1392 pframes_done -= target_fps;\r
5a681086 1393 if (pframes_done < -2) {\r
1394 /* don't drag more than 2 frames behind */\r
1395 pframes_done = -2;\r
1396 timestamp_base = timestamp - 2 * target_frametime;\r
21ecaf23 1397 }\r
5a681086 1398 else\r
1399 timestamp_base += ms_to_ticks(1000);\r
b24e0f6c 1400 }\r
1401\r
1402 diff = timestamp - timestamp_base;\r
1403 diff_lim = (pframes_done + 1) * target_frametime;\r
1404\r
1405 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
1406 {\r
1407 for (i = 0; i < currentConfig.Frameskip; i++) {\r
1408 emu_update_input();\r
1409 skip_frame(1);\r
1410 pframes_done++; frames_done++;\r
1411 diff_lim += target_frametime;\r
1412\r
ae87bffa 1413 if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {\r
b24e0f6c 1414 timestamp = get_ticks();\r
1415 diff = timestamp - timestamp_base;\r
0d83abe2 1416 if (!reset_timing && diff < diff_lim) // we are too fast\r
b24e0f6c 1417 plat_wait_till_us(timestamp_base + diff_lim);\r
1418 }\r
1419 }\r
1420 }\r
1421 else if (diff > diff_lim)\r
1422 {\r
1423 /* no time left for this frame - skip */\r
5a681086 1424 /* limit auto frameskip to 8 */\r
1425 if (frames_done / 8 <= frames_shown) {\r
1426 emu_update_input();\r
1427 skip_frame(diff < diff_lim + target_frametime * 16);\r
1428 pframes_done++; frames_done++;\r
b24e0f6c 1429 continue;\r
1430 }\r
b24e0f6c 1431 }\r
1432\r
1433 emu_update_input();\r
1434 PicoFrame();\r
d08e7326 1435 pemu_finalize_frame(fpsbuff, notice_msg);\r
1436\r
b7d64dbd 1437 if (!flip_after_sync)\r
1438 plat_video_flip();\r
b24e0f6c 1439\r
1440 /* frame limiter */\r
ae87bffa 1441 if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r
b24e0f6c 1442 {\r
1443 timestamp = get_ticks();\r
1444 diff = timestamp - timestamp_base;\r
1445\r
1446 // sleep or vsync if we are still too fast\r
1447 if (diff < diff_lim)\r
1448 {\r
1449 // we are too fast\r
7b436906 1450 plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r
1451 if (currentConfig.EmuOpt & EOPT_VSYNC)\r
b24e0f6c 1452 plat_video_wait_vsync();\r
b24e0f6c 1453 }\r
1454 }\r
1455\r
b7d64dbd 1456 if (flip_after_sync)\r
1457 plat_video_flip();\r
b24e0f6c 1458\r
1459 pframes_done++; frames_done++; frames_shown++;\r
f6c49d38 1460\r
1461 pprof_end(main);\r
b24e0f6c 1462 }\r
1463\r
1464 emu_set_fastforward(0);\r
1465\r
b24e0f6c 1466 // save SRAM\r
1467 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1468 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
1469 emu_save_load_game(0, 1);\r
1470 SRam.changed = 0;\r
1471 }\r
1472\r
b24e0f6c 1473 pemu_loop_end();\r
df92fbd1 1474 emu_sound_stop();\r
730259b7 1475\r
1476 // pemu_loop_end() might want to do 1 frame for bg image,\r
1477 // so free CD buffer here\r
1478 if (PicoAHW & PAHW_MCD)\r
1479 PicoCDBufferFree();\r
b24e0f6c 1480}\r
1481\r
fast MegaDrive/MegaCD/32X emulator