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get rid of port_config.h
[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
c060a9ab 51int pico_inp_mode = 0;\r
713c9224 52int engineState = PGS_Menu;\r
53\r
df92fbd1 54static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
55\r
ae87bffa 56/* tmp buff to reduce stack usage for plats with small stack */\r
57static char static_buff[512];\r
636d5f25 58const char *rom_fname_reload;\r
ae87bffa 59char rom_fname_loaded[512];\r
f2cf8472 60int reset_timing = 0;\r
b24e0f6c 61static unsigned int notice_msg_time; /* when started showing */\r
62static char noticeMsg[40];\r
ea8c405f 63\r
64unsigned char *movie_data = NULL;\r
65static int movie_size = 0;\r
66\r
ea8c405f 67\r
ee2a3bdf 68/* don't use tolower() for easy old glibc binary compatibility */\r
f8af9634 69static void strlwr_(char *string)\r
ea8c405f 70{\r
f8af9634 71 char *p;\r
72 for (p = string; *p; p++)\r
ee2a3bdf 73 if ('A' <= *p && *p <= 'Z')\r
74 *p += 'a' - 'A';\r
ea8c405f 75}\r
76\r
ca482e5d 77static int try_rfn_cut(char *fname)\r
ea8c405f 78{\r
79 FILE *tmp;\r
80 char *p;\r
81\r
ca482e5d 82 p = fname + strlen(fname) - 1;\r
83 for (; p > fname; p--)\r
ea8c405f 84 if (*p == '.') break;\r
85 *p = 0;\r
86\r
ca482e5d 87 if((tmp = fopen(fname, "rb"))) {\r
ea8c405f 88 fclose(tmp);\r
89 return 1;\r
90 }\r
91 return 0;\r
92}\r
93\r
35e3031a 94static void get_ext(const char *file, char *ext)\r
ea8c405f 95{\r
35e3031a 96 const char *p;\r
ea8c405f 97\r
98 p = file + strlen(file) - 4;\r
99 if (p < file) p = file;\r
100 strncpy(ext, p, 4);\r
101 ext[4] = 0;\r
102 strlwr_(ext);\r
103}\r
104\r
fcdefcf6 105static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)\r
106{\r
107 int prefix_len = 0;\r
108 const char *p;\r
109\r
110 *dst = 0;\r
111 if (prefix) {\r
112 int len = plat_get_root_dir(dst, dstlen);\r
113 strcpy(dst + len, prefix);\r
114 prefix_len = len + strlen(prefix);\r
115 }\r
116\r
117 p = fname + strlen(fname) - 1;\r
118 for (; p >= fname && *p != PATH_SEP_C; p--)\r
119 ;\r
120 p++;\r
121 strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);\r
122\r
123 dst[dstlen - 8] = 0;\r
124 if (dst[strlen(dst) - 4] == '.')\r
125 dst[strlen(dst) - 4] = 0;\r
126 if (ext)\r
127 strcat(dst, ext);\r
128}\r
129\r
130static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)\r
131{\r
132 fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);\r
133}\r
134\r
b24e0f6c 135void emu_status_msg(const char *format, ...)\r
136{\r
137 va_list vl;\r
54646a39 138 int ret;\r
b24e0f6c 139\r
140 va_start(vl, format);\r
54646a39 141 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
b24e0f6c 142 va_end(vl);\r
143\r
54646a39 144 /* be sure old text gets overwritten */\r
145 for (; ret < 28; ret++)\r
146 noticeMsg[ret] = ' ';\r
147 noticeMsg[ret] = 0;\r
148\r
b24e0f6c 149 notice_msg_time = plat_get_ticks_ms();\r
150}\r
151\r
2446536b 152static const char * const biosfiles_us[] = {\r
153 "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303", "bios_CD_U"\r
154};\r
155static const char * const biosfiles_eu[] = {\r
156 "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303", "bios_CD_E"\r
157};\r
158static const char * const biosfiles_jp[] = {\r
159 "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"\r
160};\r
ea8c405f 161\r
4c2e3554 162static const char *find_bios(int *region, const char *cd_fname)\r
ea8c405f 163{\r
ea8c405f 164 int i, count;\r
54646a39 165 const char * const *files;\r
ea8c405f 166 FILE *f = NULL;\r
4c2e3554 167 int ret;\r
168\r
169 // we need to have config loaded at this point\r
170 ret = emu_read_config(cd_fname, 0);\r
171 if (!ret) emu_read_config(NULL, 0);\r
172\r
173 if (PicoRegionOverride) {\r
174 *region = PicoRegionOverride;\r
175 lprintf("override region to %s\n", *region != 4 ?\r
176 (*region == 8 ? "EU" : "JAP") : "USA");\r
177 }\r
ea8c405f 178\r
4c2e3554 179 if (*region == 4) { // US\r
ea8c405f 180 files = biosfiles_us;\r
181 count = sizeof(biosfiles_us) / sizeof(char *);\r
4c2e3554 182 } else if (*region == 8) { // EU\r
ea8c405f 183 files = biosfiles_eu;\r
184 count = sizeof(biosfiles_eu) / sizeof(char *);\r
4c2e3554 185 } else if (*region == 1 || *region == 2) {\r
ea8c405f 186 files = biosfiles_jp;\r
187 count = sizeof(biosfiles_jp) / sizeof(char *);\r
188 } else {\r
189 return 0;\r
190 }\r
191\r
192 for (i = 0; i < count; i++)\r
193 {\r
ae87bffa 194 emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r
195 strcat(static_buff, ".bin");\r
196 f = fopen(static_buff, "rb");\r
ea8c405f 197 if (f) break;\r
198\r
ae87bffa 199 static_buff[strlen(static_buff) - 4] = 0;\r
200 strcat(static_buff, ".zip");\r
201 f = fopen(static_buff, "rb");\r
ea8c405f 202 if (f) break;\r
203 }\r
204\r
205 if (f) {\r
ae87bffa 206 lprintf("using bios: %s\n", static_buff);\r
ea8c405f 207 fclose(f);\r
4c2e3554 208 return static_buff;\r
ea8c405f 209 } else {\r
ae87bffa 210 sprintf(static_buff, "no %s BIOS files found, read docs",\r
4c2e3554 211 *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");\r
e743be20 212 menu_update_msg(static_buff);\r
4c2e3554 213 return NULL;\r
ea8c405f 214 }\r
215}\r
216\r
c6196c0f 217/* check if the name begins with BIOS name */\r
1ca2ea4f 218/*\r
c6196c0f 219static int emu_isBios(const char *name)\r
220{\r
221 int i;\r
222 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
223 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
224 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
225 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
226 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
227 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
228 return 0;\r
229}\r
1ca2ea4f 230*/\r
c6196c0f 231\r
7a87643e 232static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
58c86d00 233{\r
234 char *p = dest;\r
235 int i;\r
236\r
237 if (swab) swab = 1;\r
238\r
239 for (i = len - 1; i >= 0; i--)\r
240 {\r
241 if (src[i^swab] != ' ') break;\r
242 }\r
243 len = i + 1;\r
244\r
245 for (i = 0; i < len; i++)\r
246 {\r
247 unsigned char s = src[i^swab];\r
248 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
249 s != '[' && s != ']' && s != '\\')\r
250 {\r
251 *p++ = s;\r
252 }\r
253 else\r
254 {\r
255 sprintf(p, "\\%02x", s);\r
256 p += 3;\r
257 }\r
258 }\r
259\r
260 return p - dest;\r
261}\r
262\r
fcdefcf6 263static char *emu_make_rom_id(const char *fname)\r
58c86d00 264{\r
ca482e5d 265 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
bdec53c9 266 int pos, swab = 1;\r
58c86d00 267\r
602133e1 268 if (PicoAHW & PAHW_MCD) {\r
bdec53c9 269 strcpy(id_string, "CD|");\r
270 swab = 0;\r
271 }\r
fcdefcf6 272 else if (PicoAHW & PAHW_SMS)\r
273 strcpy(id_string, "MS|");\r
274 else strcpy(id_string, "MD|");\r
58c86d00 275 pos = 3;\r
276\r
fcdefcf6 277 if (!(PicoAHW & PAHW_SMS)) {\r
4c2e3554 278 pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial\r
fcdefcf6 279 id_string[pos] = '|'; pos++;\r
4c2e3554 280 pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region\r
fcdefcf6 281 id_string[pos] = '|'; pos++;\r
4c2e3554 282 pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name\r
fcdefcf6 283 id_string[pos] = 0;\r
284 if (pos > 5)\r
285 return id_string;\r
286 pos = 3;\r
287 }\r
288\r
289 // can't find name in ROM, use filename\r
290 fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);\r
58c86d00 291\r
58c86d00 292 return id_string;\r
293}\r
294\r
ca482e5d 295// buffer must be at least 150 byte long\r
a47dd663 296void emu_get_game_name(char *str150)\r
ca482e5d 297{\r
298 int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r
299 char *s, *d;\r
300\r
4c2e3554 301 ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name\r
ca482e5d 302\r
303 for (s = d = str150 + 1; s < str150+ret; s++)\r
304 {\r
305 if (*s == 0) break;\r
306 if (*s != ' ' || d[-1] != ' ')\r
307 *d++ = *s;\r
308 }\r
309 *d = 0;\r
310}\r
311\r
974fdb5b 312static void system_announce(void)\r
313{\r
f3a57b2d 314 const char *sys_name, *tv_standard, *extra = "";\r
974fdb5b 315 int fps;\r
316\r
317 if (PicoAHW & PAHW_SMS) {\r
318 sys_name = "Master System";\r
f3a57b2d 319#ifdef NO_SMS\r
320 extra = " [no support]";\r
321#endif\r
974fdb5b 322 } else if (PicoAHW & PAHW_PICO) {\r
323 sys_name = "Pico";\r
324 } else if (PicoAHW & PAHW_MCD) {\r
325 sys_name = "Mega CD";\r
326 if ((Pico.m.hardware & 0xc0) == 0x80)\r
327 sys_name = "Sega CD";\r
328 } else if (PicoAHW & PAHW_32X) {\r
329 sys_name = "32X";\r
330 } else {\r
331 sys_name = "MegaDrive";\r
332 if ((Pico.m.hardware & 0xc0) == 0x80)\r
333 sys_name = "Genesis";\r
334 }\r
335 tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r
336 fps = Pico.m.pal ? 50 : 60;\r
337\r
f3a57b2d 338 emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);\r
974fdb5b 339}\r
340\r
4c2e3554 341static void do_region_override(const char *media_fname)\r
342{\r
343 // we only need to override region if config tells us so\r
344 int ret = emu_read_config(media_fname, 0);\r
345 if (!ret) emu_read_config(NULL, 0);\r
346}\r
347\r
636d5f25 348int emu_reload_rom(const char *rom_fname_in)\r
ea8c405f 349{\r
636d5f25 350 char *rom_fname = NULL;\r
ea8c405f 351 char ext[5];\r
4c2e3554 352 enum media_type_e media_type;\r
636d5f25 353 int menu_romload_started = 0;\r
4c2e3554 354 char carthw_path[512];\r
636d5f25 355 int retval = 0;\r
ea8c405f 356\r
636d5f25 357 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);\r
ea8c405f 358\r
636d5f25 359 rom_fname = strdup(rom_fname_in);\r
360 if (rom_fname == NULL)\r
361 return 0;\r
362\r
ca482e5d 363 get_ext(rom_fname, ext);\r
ea8c405f 364\r
77189b7d 365 // early cleanup\r
366 PicoPatchUnload();\r
eacee137 367 if (movie_data) {\r
ea8c405f 368 free(movie_data);\r
369 movie_data = 0;\r
370 }\r
77189b7d 371\r
2d2247c2 372 if (!strcmp(ext, ".gmv"))\r
373 {\r
ea8c405f 374 // check for both gmv and rom\r
375 int dummy;\r
ca482e5d 376 FILE *movie_file = fopen(rom_fname, "rb");\r
b8a1c09a 377 if (!movie_file) {\r
e743be20 378 menu_update_msg("Failed to open movie.");\r
636d5f25 379 goto out;\r
ea8c405f 380 }\r
381 fseek(movie_file, 0, SEEK_END);\r
382 movie_size = ftell(movie_file);\r
383 fseek(movie_file, 0, SEEK_SET);\r
b8a1c09a 384 if (movie_size < 64+3) {\r
e743be20 385 menu_update_msg("Invalid GMV file.");\r
ea8c405f 386 fclose(movie_file);\r
636d5f25 387 goto out;\r
ea8c405f 388 }\r
389 movie_data = malloc(movie_size);\r
b8a1c09a 390 if (movie_data == NULL) {\r
e743be20 391 menu_update_msg("low memory.");\r
ea8c405f 392 fclose(movie_file);\r
636d5f25 393 goto out;\r
ea8c405f 394 }\r
b8a1c09a 395 dummy = fread(movie_data, 1, movie_size, movie_file);\r
ea8c405f 396 fclose(movie_file);\r
397 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
e743be20 398 menu_update_msg("Invalid GMV file.");\r
636d5f25 399 goto out;\r
ea8c405f 400 }\r
ca482e5d 401 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 402 if (!dummy) {\r
e743be20 403 menu_update_msg("Could't find a ROM for movie.");\r
636d5f25 404 goto out;\r
ea8c405f 405 }\r
ca482e5d 406 get_ext(rom_fname, ext);\r
f8af9634 407 lprintf("gmv loaded for %s\n", rom_fname);\r
ea8c405f 408 }\r
ca482e5d 409 else if (!strcmp(ext, ".pat"))\r
410 {\r
ea8c405f 411 int dummy;\r
ca482e5d 412 PicoPatchLoad(rom_fname);\r
413 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 414 if (!dummy) {\r
e743be20 415 menu_update_msg("Could't find a ROM to patch.");\r
636d5f25 416 goto out;\r
ea8c405f 417 }\r
ca482e5d 418 get_ext(rom_fname, ext);\r
ea8c405f 419 }\r
420\r
4c2e3554 421 menu_romload_prepare(rom_fname); // also CD load\r
422 menu_romload_started = 1;\r
ea8c405f 423\r
4c2e3554 424 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));\r
3e49ffd0 425\r
4c2e3554 426 media_type = PicoLoadMedia(rom_fname, carthw_path,\r
427 find_bios, do_region_override);\r
ea8c405f 428\r
4c2e3554 429 switch (media_type) {\r
430 case PM_BAD_DETECT:\r
431 menu_update_msg("Not a ROM/CD img selected.");\r
636d5f25 432 goto out;\r
4c2e3554 433 case PM_BAD_CD:\r
434 menu_update_msg("Invalid CD image");\r
636d5f25 435 goto out;\r
4c2e3554 436 case PM_BAD_CD_NO_BIOS:\r
437 // find_bios() prints a message\r
636d5f25 438 goto out;\r
4c2e3554 439 case PM_ERROR:\r
440 menu_update_msg("Load error");\r
636d5f25 441 goto out;\r
4c2e3554 442 default:\r
443 break;\r
ea8c405f 444 }\r
445\r
4b167c12 446 menu_romload_end();\r
636d5f25 447 menu_romload_started = 0;\r
4b167c12 448\r
ea8c405f 449 if (PicoPatches) {\r
450 PicoPatchPrepare();\r
451 PicoPatchApply();\r
452 }\r
453\r
454 // additional movie stuff\r
f9f40f10 455 if (movie_data)\r
456 {\r
457 if (movie_data[0x14] == '6')\r
602133e1 458 PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r
459 else PicoOpt &= ~POPT_6BTN_PAD;\r
2aa27095 460 PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 461 if (movie_data[0xF] >= 'A') {\r
462 if (movie_data[0x16] & 0x80) {\r
ea8c405f 463 PicoRegionOverride = 8;\r
464 } else {\r
465 PicoRegionOverride = 4;\r
466 }\r
1cb1584b 467 PicoReset();\r
ea8c405f 468 // TODO: bits 6 & 5\r
469 }\r
470 movie_data[0x18+30] = 0;\r
b24e0f6c 471 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
ea8c405f 472 }\r
473 else\r
474 {\r
974fdb5b 475 system_announce();\r
602133e1 476 PicoOpt &= ~POPT_DIS_VDP_FIFO;\r
ea8c405f 477 }\r
ea8c405f 478\r
bcc9eda0 479 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
480 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
bcc9eda0 481\r
ea8c405f 482 // load SRAM for this ROM\r
a47dd663 483 if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
484 emu_save_load_game(1, 1);\r
ea8c405f 485\r
636d5f25 486 retval = 1;\r
487out:\r
636d5f25 488 if (menu_romload_started)\r
489 menu_romload_end();\r
490 free(rom_fname);\r
491 return retval;\r
ea8c405f 492}\r
493\r
35e3031a 494int emu_swap_cd(const char *fname)\r
495{\r
496 cd_img_type cd_type;\r
497 int ret = -1;\r
498\r
4c2e3554 499 cd_type = PicoCdCheck(fname, NULL);\r
35e3031a 500 if (cd_type != CIT_NOT_CD)\r
501 ret = Insert_CD(fname, cd_type);\r
502 if (ret != 0) {\r
e743be20 503 menu_update_msg("Load failed, invalid CD image?");\r
35e3031a 504 return 0;\r
505 }\r
506\r
507 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r
508 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
509 return 1;\r
510}\r
511\r
ae87bffa 512// <base dir><end>\r
27701801 513void emu_make_path(char *buff, const char *end, int size)\r
08fe8094 514{\r
27701801 515 int pos, end_len;\r
516\r
517 end_len = strlen(end);\r
518 pos = plat_get_root_dir(buff, size);\r
519 strncpy(buff + pos, end, size - pos);\r
520 buff[size - 1] = 0;\r
521 if (pos + end_len > size - 1)\r
522 lprintf("Warning: path truncated: %s\n", buff);\r
523}\r
524\r
525static void make_config_cfg(char *cfg_buff_512)\r
526{\r
527 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
08fe8094 528 if (config_slot != 0)\r
529 {\r
27701801 530 char *p = strrchr(cfg_buff_512, '.');\r
531 if (p == NULL)\r
532 p = cfg_buff_512 + strlen(cfg_buff_512);\r
08fe8094 533 sprintf(p, ".%i.cfg", config_slot);\r
534 }\r
27701801 535 cfg_buff_512[511] = 0;\r
08fe8094 536}\r
537\r
697746df 538void emu_prep_defconfig(void)\r
539{\r
540 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
fcdefcf6 541 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_EN_CD_LEDS;\r
697746df 542 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r
720bfc5d 543 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |\r
544 POPT_EN_SVP_DRC|POPT_ACC_SPRITES |\r
697746df 545 POPT_EN_32X|POPT_EN_PWM;\r
546 defaultConfig.s_PsndRate = 44100;\r
547 defaultConfig.s_PicoRegion = 0; // auto\r
548 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
549 defaultConfig.s_PicoCDBuffers = 0;\r
fcdefcf6 550 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r
697746df 551 defaultConfig.Frameskip = -1; // auto\r
552 defaultConfig.volume = 50;\r
553 defaultConfig.gamma = 100;\r
554 defaultConfig.scaling = 0;\r
555 defaultConfig.turbo_rate = 15;\r
ed4402a7 556 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;\r
557 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;\r
697746df 558\r
559 // platform specific overrides\r
560 pemu_prep_defconfig();\r
561}\r
562\r
d90f5bd7 563void emu_set_defconfig(void)\r
ca482e5d 564{\r
a47dd663 565 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
ca482e5d 566 PicoOpt = currentConfig.s_PicoOpt;\r
567 PsndRate = currentConfig.s_PsndRate;\r
568 PicoRegionOverride = currentConfig.s_PicoRegion;\r
569 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
570 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
571}\r
572\r
fcdefcf6 573int emu_read_config(const char *rom_fname, int no_defaults)\r
ea8c405f 574{\r
58c86d00 575 char cfg[512];\r
58c86d00 576 int ret;\r
ea8c405f 577\r
490eb480 578 if (!no_defaults)\r
579 emu_set_defconfig();\r
580\r
fcdefcf6 581 if (rom_fname == NULL)\r
ea8c405f 582 {\r
fcdefcf6 583 // global config\r
08fe8094 584 make_config_cfg(cfg);\r
58c86d00 585 ret = config_readsect(cfg, NULL);\r
ea8c405f 586 }\r
58c86d00 587 else\r
588 {\r
504e2f56 589 char ext[16];\r
590 int vol;\r
ea8c405f 591\r
58c86d00 592 if (config_slot != 0)\r
504e2f56 593 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
a39b7867 594 else\r
504e2f56 595 strcpy(ext, ".cfg");\r
596\r
597 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);\r
598\r
599 // read user's config\r
600 vol = currentConfig.volume;\r
601 ret = config_readsect(cfg, NULL);\r
602 currentConfig.volume = vol; // make vol global (bah)\r
603\r
604 if (ret != 0)\r
08fe8094 605 {\r
606 // read global config, and apply game_def.cfg on top\r
607 make_config_cfg(cfg);\r
608 config_readsect(cfg, NULL);\r
58c86d00 609\r
504e2f56 610 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
611 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));\r
58c86d00 612 }\r
ea8c405f 613 }\r
58c86d00 614\r
697746df 615 pemu_validate_config();\r
ee2a3bdf 616\r
ea8c405f 617 // some sanity checks\r
2445b7cb 618#ifdef PSP\r
ee2a3bdf 619 /* TODO: mv to plat_validate_config() */\r
620 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
2445b7cb 621 if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r
6fc57144 622 if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r
2445b7cb 623#endif\r
ee2a3bdf 624 if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
625 currentConfig.volume = 50;\r
626\r
627 if (ret == 0)\r
628 config_slot_current = config_slot;\r
991473ad 629\r
58c86d00 630 return (ret == 0);\r
ea8c405f 631}\r
632\r
633\r
a47dd663 634int emu_write_config(int is_game)\r
ea8c405f 635{\r
504e2f56 636 char cfg[512];\r
58c86d00 637 int ret, write_lrom = 0;\r
ea8c405f 638\r
58c86d00 639 if (!is_game)\r
ea8c405f 640 {\r
ca482e5d 641 make_config_cfg(cfg);\r
58c86d00 642 write_lrom = 1;\r
ea8c405f 643 } else {\r
504e2f56 644 char ext[16];\r
645\r
ea8c405f 646 if (config_slot != 0)\r
504e2f56 647 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
648 else\r
649 strcpy(ext, ".cfg");\r
650\r
651 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);\r
ea8c405f 652 }\r
653\r
a47dd663 654 lprintf("emu_write_config: %s ", cfg);\r
504e2f56 655 ret = config_write(cfg);\r
1ca2ea4f 656 if (write_lrom) config_writelrom(cfg);\r
9c9cda8c 657#ifdef __GP2X__\r
58c86d00 658 sync();\r
ea8c405f 659#endif\r
58c86d00 660 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 661\r
58c86d00 662 if (ret == 0) config_slot_current = config_slot;\r
663 return ret == 0;\r
ea8c405f 664}\r
665\r
666\r
e2de9939 667/* always using built-in font */\r
668\r
cc41eb4f 669#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
e2de9939 670void name(int x, int y, const char *text) \\r
671{ \\r
672 int i, l, len = strlen(text); \\r
cc41eb4f 673 type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
e2de9939 674 \\r
cc41eb4f 675 for (i = 0; i < len; i++, screen += 8 * step_x) \\r
e2de9939 676 { \\r
677 for (l = 0; l < 8; l++) \\r
678 { \\r
679 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
cc41eb4f 680 type *s = screen + l * step_y; \\r
681 if (fd&0x80) s[step_x * 0] = val; \\r
682 if (fd&0x40) s[step_x * 1] = val; \\r
683 if (fd&0x20) s[step_x * 2] = val; \\r
684 if (fd&0x10) s[step_x * 3] = val; \\r
685 if (fd&0x08) s[step_x * 4] = val; \\r
686 if (fd&0x04) s[step_x * 5] = val; \\r
687 if (fd&0x02) s[step_x * 6] = val; \\r
688 if (fd&0x01) s[step_x * 7] = val; \\r
e2de9939 689 } \\r
690 } \\r
ea8c405f 691}\r
692\r
cc41eb4f 693mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r
694mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r
695mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
696 (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
697mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
698 (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r
ea8c405f 699\r
e2de9939 700#undef mk_text_out\r
ea8c405f 701\r
702\r
d34a42f9 703void update_movie(void)\r
ea8c405f 704{\r
705 int offs = Pico.m.frame_count*3 + 0x40;\r
706 if (offs+3 > movie_size) {\r
707 free(movie_data);\r
708 movie_data = 0;\r
b24e0f6c 709 emu_status_msg("END OF MOVIE.");\r
ea8c405f 710 lprintf("END OF MOVIE.\n");\r
ea8c405f 711 } else {\r
712 // MXYZ SACB RLDU\r
713 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
f8af9634 714 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r
715 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r
716 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r
ea8c405f 717 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
f8af9634 718 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r
719 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r
720 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r
ea8c405f 721 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
722 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
723 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
724 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
725 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
726 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
727 }\r
728}\r
729\r
ea8c405f 730static int try_ropen_file(const char *fname)\r
731{\r
732 FILE *f;\r
733\r
734 f = fopen(fname, "rb");\r
735 if (f) {\r
736 fclose(f);\r
737 return 1;\r
738 }\r
739 return 0;\r
740}\r
741\r
a47dd663 742char *emu_get_save_fname(int load, int is_sram, int slot)\r
ea8c405f 743{\r
ae87bffa 744 char *saveFname = static_buff;\r
ea8c405f 745 char ext[16];\r
746\r
747 if (is_sram)\r
748 {\r
6bc00695 749 strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r
fcdefcf6 750 romfname_ext(saveFname, sizeof(static_buff),\r
751 (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r
6bc00695 752 if (!load)\r
753 return saveFname;\r
754\r
755 if (try_ropen_file(saveFname))\r
756 return saveFname;\r
757\r
fcdefcf6 758 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
6bc00695 759 if (try_ropen_file(saveFname))\r
760 return saveFname;\r
ea8c405f 761 }\r
762 else\r
763 {\r
6bc00695 764 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r
765 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r
ea8c405f 766 ext[0] = 0;\r
6bc00695 767 if (slot > 0 && slot < 10)\r
768 sprintf(ext, ".%i", slot);\r
769 strcat(ext, ext_main);\r
770\r
771 if (!load) {\r
fcdefcf6 772 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 773 return saveFname;\r
774 }\r
775 else {\r
fcdefcf6 776 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 777 if (try_ropen_file(saveFname))\r
778 return saveFname;\r
ea8c405f 779\r
fcdefcf6 780 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
6bc00695 781 if (try_ropen_file(saveFname))\r
782 return saveFname;\r
783\r
784 // try the other ext\r
785 ext[0] = 0;\r
786 if (slot > 0 && slot < 10)\r
787 sprintf(ext, ".%i", slot);\r
788 strcat(ext, ext_othr);\r
789\r
fcdefcf6 790 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r
6bc00695 791 if (try_ropen_file(saveFname))\r
792 return saveFname;\r
ea8c405f 793 }\r
794 }\r
795\r
6bc00695 796 return NULL;\r
ea8c405f 797}\r
798\r
cca8800d 799int emu_check_save_file(int slot, int *time)\r
ea8c405f 800{\r
a47dd663 801 return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r
ea8c405f 802}\r
803\r
a47dd663 804int emu_save_load_game(int load, int sram)\r
ea8c405f 805{\r
806 int ret = 0;\r
807 char *saveFname;\r
808\r
809 // make save filename\r
a47dd663 810 saveFname = emu_get_save_fname(load, sram, state_slot);\r
ea8c405f 811 if (saveFname == NULL) {\r
d34a42f9 812 if (!sram)\r
b24e0f6c 813 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
ea8c405f 814 return -1;\r
815 }\r
816\r
817 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
818\r
da42200b 819 if (sram)\r
820 {\r
ea8c405f 821 FILE *sramFile;\r
822 int sram_size;\r
823 unsigned char *sram_data;\r
824 int truncate = 1;\r
602133e1 825 if (PicoAHW & PAHW_MCD)\r
826 {\r
45f2f245 827 if (PicoOpt & POPT_EN_MCD_RAMCART) {\r
ea8c405f 828 sram_size = 0x12000;\r
829 sram_data = SRam.data;\r
830 if (sram_data)\r
831 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
832 } else {\r
833 sram_size = 0x2000;\r
834 sram_data = Pico_mcd->bram;\r
835 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
836 }\r
837 } else {\r
45f2f245 838 sram_size = SRam.size;\r
ea8c405f 839 sram_data = SRam.data;\r
840 }\r
b8a1c09a 841 if (sram_data == NULL)\r
842 return 0; // SRam forcefully disabled for this game\r
ea8c405f 843\r
602133e1 844 if (load)\r
845 {\r
ea8c405f 846 sramFile = fopen(saveFname, "rb");\r
b8a1c09a 847 if (!sramFile)\r
848 return -1;\r
849 ret = fread(sram_data, 1, sram_size, sramFile);\r
850 ret = ret > 0 ? 0 : -1;\r
ea8c405f 851 fclose(sramFile);\r
602133e1 852 if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
ea8c405f 853 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
854 } else {\r
855 // sram save needs some special processing\r
856 // see if we have anything to save\r
857 for (; sram_size > 0; sram_size--)\r
858 if (sram_data[sram_size-1]) break;\r
859\r
860 if (sram_size) {\r
861 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
862 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
863 if (!sramFile) return -1;\r
864 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
865 ret = (ret != sram_size) ? -1 : 0;\r
866 fclose(sramFile);\r
9c9cda8c 867#ifdef __GP2X__\r
ea8c405f 868 sync();\r
869#endif\r
870 }\r
871 }\r
872 return ret;\r
873 }\r
874 else\r
875 {\r
bcc9eda0 876 ret = PicoState(saveFname, !load);\r
877 if (!ret) {\r
9c9cda8c 878#ifdef __GP2X__\r
bcc9eda0 879 if (!load) sync();\r
ea8c405f 880#endif\r
54646a39 881 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
bcc9eda0 882 } else {\r
b24e0f6c 883 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ea8c405f 884 ret = -1;\r
885 }\r
886\r
ea8c405f 887 return ret;\r
888 }\r
889}\r
bdec53c9 890\r
a47dd663 891void emu_set_fastforward(int set_on)\r
c060a9ab 892{\r
893 static void *set_PsndOut = NULL;\r
894 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
895\r
896 if (set_on && !is_on) {\r
897 set_PsndOut = PsndOut;\r
898 set_Frameskip = currentConfig.Frameskip;\r
899 set_EmuOpt = currentConfig.EmuOpt;\r
900 PsndOut = NULL;\r
901 currentConfig.Frameskip = 8;\r
902 currentConfig.EmuOpt &= ~4;\r
903 currentConfig.EmuOpt |= 0x40000;\r
904 is_on = 1;\r
b24e0f6c 905 emu_status_msg("FAST FORWARD");\r
c060a9ab 906 }\r
907 else if (!set_on && is_on) {\r
908 PsndOut = set_PsndOut;\r
909 currentConfig.Frameskip = set_Frameskip;\r
910 currentConfig.EmuOpt = set_EmuOpt;\r
911 PsndRerate(1);\r
912 is_on = 0;\r
913 }\r
914}\r
915\r
d687ef50 916static void emu_tray_open(void)\r
c060a9ab 917{\r
d687ef50 918 engineState = PGS_TrayMenu;\r
919}\r
920\r
921static void emu_tray_close(void)\r
922{\r
923 emu_status_msg("CD tray closed.");\r
f2cf8472 924}\r
925\r
974fdb5b 926void emu_32x_startup(void)\r
927{\r
c7eb229a 928 plat_video_toggle_renderer(0, 0); // HACK\r
974fdb5b 929 system_announce();\r
930}\r
931\r
f2cf8472 932void emu_reset_game(void)\r
933{\r
934 PicoReset();\r
935 reset_timing = 1;\r
936}\r
937\r
938void run_events_pico(unsigned int events)\r
939{\r
940 int lim_x;\r
941\r
942 if (events & PEV_PICO_SWINP) {\r
c060a9ab 943 pico_inp_mode++;\r
d34a42f9 944 if (pico_inp_mode > 2)\r
945 pico_inp_mode = 0;\r
c060a9ab 946 switch (pico_inp_mode) {\r
b24e0f6c 947 case 2: emu_status_msg("Input: Pen on Pad"); break;\r
948 case 1: emu_status_msg("Input: Pen on Storyware"); break;\r
949 case 0: emu_status_msg("Input: Joystick");\r
c060a9ab 950 PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
951 break;\r
952 }\r
c060a9ab 953 }\r
f2cf8472 954 if (events & PEV_PICO_PPREV) {\r
c060a9ab 955 PicoPicohw.page--;\r
d34a42f9 956 if (PicoPicohw.page < 0)\r
957 PicoPicohw.page = 0;\r
b24e0f6c 958 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 959 }\r
f2cf8472 960 if (events & PEV_PICO_PNEXT) {\r
c060a9ab 961 PicoPicohw.page++;\r
d34a42f9 962 if (PicoPicohw.page > 6)\r
963 PicoPicohw.page = 6;\r
b24e0f6c 964 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 965 }\r
f2cf8472 966\r
967 if (pico_inp_mode == 0)\r
968 return;\r
969\r
970 /* handle other input modes */\r
971 if (PicoPad[0] & 1) pico_pen_y--;\r
972 if (PicoPad[0] & 2) pico_pen_y++;\r
973 if (PicoPad[0] & 4) pico_pen_x--;\r
974 if (PicoPad[0] & 8) pico_pen_x++;\r
975 PicoPad[0] &= ~0x0f; // release UDLR\r
976\r
977 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
978 if (pico_pen_y < 8)\r
979 pico_pen_y = 8;\r
980 if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r
981 pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r
982 if (pico_pen_x < 0)\r
983 pico_pen_x = 0;\r
984 if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r
985 pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r
986\r
987 PicoPicohw.pen_pos[0] = pico_pen_x;\r
988 if (!(Pico.video.reg[12] & 1))\r
989 PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r
990 PicoPicohw.pen_pos[0] += 0x3c;\r
991 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
c060a9ab 992}\r
993\r
d34a42f9 994static void do_turbo(int *pad, int acts)\r
f0f0d2df 995{\r
996 static int turbo_pad = 0;\r
997 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
998 int inc = currentConfig.turbo_rate * 2;\r
999\r
1000 if (acts & 0x1000) {\r
1001 turbo_cnt[0] += inc;\r
1002 if (turbo_cnt[0] >= 60)\r
1003 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1004 }\r
1005 if (acts & 0x2000) {\r
1006 turbo_cnt[1] += inc;\r
1007 if (turbo_cnt[1] >= 60)\r
1008 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1009 }\r
1010 if (acts & 0x4000) {\r
1011 turbo_cnt[2] += inc;\r
1012 if (turbo_cnt[2] >= 60)\r
1013 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1014 }\r
1015 *pad |= turbo_pad & (acts >> 8);\r
1016}\r
c060a9ab 1017\r
f2cf8472 1018static void run_events_ui(unsigned int which)\r
d34a42f9 1019{\r
1020 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
1021 {\r
1022 int do_it = 1;\r
cca8800d 1023 if ( emu_check_save_file(state_slot, NULL) &&\r
fcdefcf6 1024 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r
1025 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r
d34a42f9 1026 {\r
1027 const char *nm;\r
1028 char tmp[64];\r
1029 int keys, len;\r
1030\r
1031 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r
1032 len = strlen(tmp);\r
1033 nm = in_get_key_name(-1, -PBTN_MA3);\r
1034 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
1035 len = strlen(tmp);\r
1036 nm = in_get_key_name(-1, -PBTN_MBACK);\r
1037 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
1038\r
1039 plat_status_msg_busy_first(tmp);\r
1040\r
45285368 1041 in_set_config_int(0, IN_CFG_BLOCKING, 1);\r
13450307 1042 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1043 ;\r
13450307 1044 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )\r
d34a42f9 1045 ;\r
1046 if (keys & PBTN_MBACK)\r
1047 do_it = 0;\r
13450307 1048 while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r
d34a42f9 1049 ;\r
45285368 1050 in_set_config_int(0, IN_CFG_BLOCKING, 0);\r
d34a42f9 1051 }\r
1052 if (do_it) {\r
54646a39 1053 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
d34a42f9 1054 PicoStateProgressCB = plat_status_msg_busy_next;\r
a47dd663 1055 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
d34a42f9 1056 PicoStateProgressCB = NULL;\r
1057 }\r
1058 }\r
5a681086 1059 if (which & PEV_SWITCH_RND)\r
d34a42f9 1060 {\r
5a681086 1061 plat_video_toggle_renderer(1, 0);\r
d34a42f9 1062 }\r
1063 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
1064 {\r
1065 if (which & PEV_SSLOT_PREV) {\r
1066 state_slot -= 1;\r
1067 if (state_slot < 0)\r
1068 state_slot = 9;\r
1069 } else {\r
1070 state_slot += 1;\r
1071 if (state_slot > 9)\r
1072 state_slot = 0;\r
1073 }\r
1074\r
b24e0f6c 1075 emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
cca8800d 1076 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");\r
d34a42f9 1077 }\r
1078 if (which & PEV_MENU)\r
1079 engineState = PGS_Menu;\r
1080}\r
1081\r
1082void emu_update_input(void)\r
1083{\r
093b8a42 1084 static int prev_events = 0;\r
1085 int actions[IN_BINDTYPE_COUNT] = { 0, };\r
1086 int pl_actions[2];\r
1087 int events;\r
d34a42f9 1088\r
093b8a42 1089 in_update(actions);\r
d34a42f9 1090\r
093b8a42 1091 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
1092 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
d34a42f9 1093\r
093b8a42 1094 PicoPad[0] = pl_actions[0] & 0xfff;\r
1095 PicoPad[1] = pl_actions[1] & 0xfff;\r
d34a42f9 1096\r
093b8a42 1097 if (pl_actions[0] & 0x7000)\r
1098 do_turbo(&PicoPad[0], pl_actions[0]);\r
1099 if (pl_actions[1] & 0x7000)\r
1100 do_turbo(&PicoPad[1], pl_actions[1]);\r
1101\r
1102 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1103\r
1104 // volume is treated in special way and triggered every frame\r
1105 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
1106 plat_update_volume(1, events & PEV_VOL_UP);\r
1107\r
093b8a42 1108 if ((events ^ prev_events) & PEV_FF) {\r
a47dd663 1109 emu_set_fastforward(events & PEV_FF);\r
d34a42f9 1110 plat_update_volume(0, 0);\r
f2cf8472 1111 reset_timing = 1;\r
d34a42f9 1112 }\r
1113\r
093b8a42 1114 events &= ~prev_events;\r
d34a42f9 1115\r
f2cf8472 1116 if (PicoAHW == PAHW_PICO)\r
1117 run_events_pico(events);\r
d34a42f9 1118 if (events)\r
f2cf8472 1119 run_events_ui(events);\r
d34a42f9 1120 if (movie_data)\r
1121 update_movie();\r
1122\r
093b8a42 1123 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1124}\r
1125\r
f2cf8472 1126static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
1127{\r
1128 strcpy(path_with_reserve + pos, name);\r
1129 if (plat_is_dir(path_with_reserve))\r
1130 return;\r
1131 if (mkdir(path_with_reserve, 0777) < 0)\r
1132 lprintf("failed to create: %s\n", path_with_reserve);\r
1133}\r
1134\r
a4edca53 1135void emu_cmn_forced_frame(int no_scale, int do_emu)\r
1136{\r
1137 int po_old = PicoOpt;\r
1138\r
1139 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
1140\r
8340e7c9 1141 PicoOpt &= ~POPT_ALT_RENDERER;\r
a4edca53 1142 PicoOpt |= POPT_ACC_SPRITES;\r
1143 if (!no_scale)\r
1144 PicoOpt |= POPT_EN_SOFTSCALE;\r
1145\r
1146 PicoDrawSetOutFormat(PDF_RGB555, 1);\r
1147 Pico.m.dirtyPal = 1;\r
1148 if (do_emu)\r
1149 PicoFrame();\r
1150 else\r
1151 PicoFrameDrawOnly();\r
1152\r
1153 PicoOpt = po_old;\r
1154}\r
1155\r
f2cf8472 1156void emu_init(void)\r
1157{\r
27701801 1158 char path[512];\r
f2cf8472 1159 int pos;\r
1160\r
83ff19ec 1161#if 0\r
1162 // FIXME: handle through menu, etc\r
1163 FILE *f;\r
1164 f = fopen("32X_M_BIOS.BIN", "rb");\r
1165 p32x_bios_m = malloc(2048);\r
1166 fread(p32x_bios_m, 1, 2048, f);\r
1167 fclose(f);\r
1168 f = fopen("32X_S_BIOS.BIN", "rb");\r
1169 p32x_bios_s = malloc(1024);\r
1170 fread(p32x_bios_s, 1, 1024, f);\r
1171 fclose(f);\r
1172#endif\r
1173\r
f2cf8472 1174 /* make dirs for saves */\r
27701801 1175 pos = plat_get_root_dir(path, sizeof(path) - 4);\r
1176 mkdir_path(path, pos, "mds");\r
1177 mkdir_path(path, pos, "srm");\r
1178 mkdir_path(path, pos, "brm");\r
504e2f56 1179 mkdir_path(path, pos, "cfg");\r
27701801 1180\r
f6c49d38 1181 pprof_init();\r
1182\r
27701801 1183 make_config_cfg(path);\r
1184 config_readlrom(path);\r
f2cf8472 1185\r
1186 PicoInit();\r
1187 PicoMessage = plat_status_msg_busy_next;\r
d687ef50 1188 PicoMCDopenTray = emu_tray_open;\r
1189 PicoMCDcloseTray = emu_tray_close;\r
df92fbd1 1190\r
1191 sndout_init();\r
f2cf8472 1192}\r
1193\r
1194void emu_finish(void)\r
1195{\r
1196 // save SRAM\r
a47dd663 1197 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1198 emu_save_load_game(0, 1);\r
f2cf8472 1199 SRam.changed = 0;\r
1200 }\r
1201\r
27701801 1202 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
1203 char cfg[512];\r
1204 make_config_cfg(cfg);\r
1205 config_writelrom(cfg);\r
9c9cda8c 1206#ifdef __GP2X__\r
27701801 1207 sync();\r
1208#endif\r
1209 }\r
f2cf8472 1210\r
f6c49d38 1211 pprof_finish();\r
1212\r
f2cf8472 1213 PicoExit();\r
df92fbd1 1214 sndout_exit();\r
1215}\r
1216\r
1217static void snd_write_nonblocking(int len)\r
1218{\r
1219 sndout_write_nb(PsndOut, len);\r
1220}\r
1221\r
1222void emu_sound_start(void)\r
1223{\r
1224 PsndOut = NULL;\r
1225\r
1226 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
1227 {\r
1228 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
1229\r
1230 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
1231\r
1232 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r
1233 PsndRate, PsndLen, is_stereo, Pico.m.pal);\r
1234 sndout_start(PsndRate, is_stereo);\r
1235 PicoWriteSound = snd_write_nonblocking;\r
1236 plat_update_volume(0, 0);\r
1237 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1238 PsndOut = sndBuffer;\r
1239 }\r
1240}\r
1241\r
1242void emu_sound_stop(void)\r
1243{\r
1244 sndout_stop();\r
1245}\r
1246\r
1247void emu_sound_wait(void)\r
1248{\r
1249 sndout_wait();\r
f2cf8472 1250}\r
1251\r
d4d62665 1252static void emu_loop_prep(void)\r
1253{\r
1254 static int pal_old = -1;\r
1255 static int filter_old = -1;\r
1256\r
1257 if (currentConfig.CPUclock != plat_target_cpu_clock_get())\r
1258 plat_target_cpu_clock_set(currentConfig.CPUclock);\r
1259\r
1260 if (Pico.m.pal != pal_old) {\r
1261 plat_target_lcdrate_set(Pico.m.pal);\r
1262 pal_old = Pico.m.pal;\r
1263 }\r
1264\r
1265 if (currentConfig.filter != filter_old) {\r
1266 plat_target_hwfilter_set(currentConfig.filter);\r
1267 filter_old = currentConfig.filter;\r
1268 }\r
1269\r
1270 plat_target_gamma_set(currentConfig.gamma, 0);\r
1271\r
1272 pemu_loop_prep();\r
1273}\r
1274\r
b24e0f6c 1275static void skip_frame(int do_audio)\r
1276{\r
1277 PicoSkipFrame = do_audio ? 1 : 2;\r
1278 PicoFrame();\r
1279 PicoSkipFrame = 0;\r
1280}\r
1281\r
1282/* our tick here is 1 us right now */\r
1283#define ms_to_ticks(x) (unsigned int)(x * 1000)\r
1284#define get_ticks() plat_get_ticks_us()\r
1285\r
1286void emu_loop(void)\r
1287{\r
1288 int pframes_done; /* "period" frames, used for sync */\r
1289 int frames_done, frames_shown; /* actual frames for fps counter */\r
19954be1 1290 int target_fps, target_frametime;\r
b24e0f6c 1291 unsigned int timestamp_base = 0, timestamp_fps;\r
1292 char *notice_msg = NULL;\r
1293 char fpsbuff[24];\r
1294 int i;\r
1295\r
1296 fpsbuff[0] = 0;\r
1297\r
46bcb899 1298 PicoLoopPrepare();\r
1299\r
1300 // prepare CD buffer\r
1301 if (PicoAHW & PAHW_MCD)\r
1302 PicoCDBufferInit();\r
1303\r
636d5f25 1304 plat_video_loop_prepare();\r
d4d62665 1305 emu_loop_prep();\r
df92fbd1 1306 pemu_sound_start();\r
46bcb899 1307\r
b24e0f6c 1308 /* number of ticks per frame */\r
1309 if (Pico.m.pal) {\r
1310 target_fps = 50;\r
1311 target_frametime = ms_to_ticks(1000) / 50;\r
1312 } else {\r
1313 target_fps = 60;\r
1314 target_frametime = ms_to_ticks(1000) / 60 + 1;\r
1315 }\r
1316\r
b24e0f6c 1317 timestamp_fps = get_ticks();\r
1318 reset_timing = 1;\r
1319\r
1320 frames_done = frames_shown = pframes_done = 0;\r
1321\r
7b436906 1322 plat_video_wait_vsync();\r
1323\r
b24e0f6c 1324 /* loop with resync every 1 sec. */\r
1325 while (engineState == PGS_Running)\r
1326 {\r
1327 unsigned int timestamp;\r
1328 int diff, diff_lim;\r
b24e0f6c 1329\r
f6c49d38 1330 pprof_start(main);\r
1331\r
b24e0f6c 1332 timestamp = get_ticks();\r
1333 if (reset_timing) {\r
1334 reset_timing = 0;\r
1335 timestamp_base = timestamp;\r
1336 pframes_done = 0;\r
1337 }\r
1338\r
1339 // show notice_msg message?\r
1340 if (notice_msg_time != 0)\r
1341 {\r
1342 static int noticeMsgSum;\r
54646a39 1343 if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r
b24e0f6c 1344 notice_msg_time = 0;\r
1345 plat_status_msg_clear();\r
1346 notice_msg = NULL;\r
1347 } else {\r
1348 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
1349 if (sum != noticeMsgSum) {\r
1350 plat_status_msg_clear();\r
1351 noticeMsgSum = sum;\r
1352 }\r
1353 notice_msg = noticeMsg;\r
1354 }\r
1355 }\r
1356\r
b24e0f6c 1357 // second changed?\r
1358 if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r
1359 {\r
1360#ifdef BENCHMARK\r
1361 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1362 if (++bench == 10) {\r
1363 bench = 0;\r
1364 bench_fps_s = bench_fps;\r
1365 bf[bfp++ & 3] = bench_fps;\r
1366 bench_fps = 0;\r
1367 }\r
1368 bench_fps += frames_shown;\r
1369 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
07e5dbab 1370 printf("%s\n", fpsbuff);\r
b24e0f6c 1371#else\r
1372 if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r
1373 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1374 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
1375 }\r
1376#endif\r
1377 frames_shown = frames_done = 0;\r
1378 timestamp_fps += ms_to_ticks(1000);\r
1379 }\r
1380#ifdef PFRAMES\r
1381 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1382#endif\r
1383\r
1384 if (timestamp - timestamp_base >= ms_to_ticks(1000))\r
1385 {\r
21ecaf23 1386 if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r
b24e0f6c 1387 pframes_done = 0;\r
5a681086 1388 else\r
b24e0f6c 1389 pframes_done -= target_fps;\r
5a681086 1390 if (pframes_done < -2) {\r
1391 /* don't drag more than 2 frames behind */\r
1392 pframes_done = -2;\r
1393 timestamp_base = timestamp - 2 * target_frametime;\r
21ecaf23 1394 }\r
5a681086 1395 else\r
1396 timestamp_base += ms_to_ticks(1000);\r
b24e0f6c 1397 }\r
1398\r
1399 diff = timestamp - timestamp_base;\r
1400 diff_lim = (pframes_done + 1) * target_frametime;\r
1401\r
1402 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
1403 {\r
1404 for (i = 0; i < currentConfig.Frameskip; i++) {\r
1405 emu_update_input();\r
1406 skip_frame(1);\r
1407 pframes_done++; frames_done++;\r
1408 diff_lim += target_frametime;\r
1409\r
ae87bffa 1410 if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {\r
b24e0f6c 1411 timestamp = get_ticks();\r
1412 diff = timestamp - timestamp_base;\r
0d83abe2 1413 if (!reset_timing && diff < diff_lim) // we are too fast\r
b24e0f6c 1414 plat_wait_till_us(timestamp_base + diff_lim);\r
1415 }\r
1416 }\r
1417 }\r
1418 else if (diff > diff_lim)\r
1419 {\r
1420 /* no time left for this frame - skip */\r
5a681086 1421 /* limit auto frameskip to 8 */\r
1422 if (frames_done / 8 <= frames_shown) {\r
1423 emu_update_input();\r
1424 skip_frame(diff < diff_lim + target_frametime * 16);\r
1425 pframes_done++; frames_done++;\r
b24e0f6c 1426 continue;\r
1427 }\r
b24e0f6c 1428 }\r
1429\r
1430 emu_update_input();\r
1431 PicoFrame();\r
d08e7326 1432 pemu_finalize_frame(fpsbuff, notice_msg);\r
1433\r
f6c49d38 1434 // plat_video_flip();\r
b24e0f6c 1435\r
1436 /* frame limiter */\r
ae87bffa 1437 if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r
b24e0f6c 1438 {\r
1439 timestamp = get_ticks();\r
1440 diff = timestamp - timestamp_base;\r
1441\r
1442 // sleep or vsync if we are still too fast\r
1443 if (diff < diff_lim)\r
1444 {\r
1445 // we are too fast\r
7b436906 1446 plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r
1447 if (currentConfig.EmuOpt & EOPT_VSYNC)\r
b24e0f6c 1448 plat_video_wait_vsync();\r
b24e0f6c 1449 }\r
1450 }\r
1451\r
d08e7326 1452 // XXX: for some plats it might be better to flip before vsync\r
1453 // (due to shadow registers in display hw)\r
1454 plat_video_flip();\r
b24e0f6c 1455\r
1456 pframes_done++; frames_done++; frames_shown++;\r
f6c49d38 1457\r
1458 pprof_end(main);\r
b24e0f6c 1459 }\r
1460\r
1461 emu_set_fastforward(0);\r
1462\r
b24e0f6c 1463 // save SRAM\r
1464 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r
1465 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
1466 emu_save_load_game(0, 1);\r
1467 SRam.changed = 0;\r
1468 }\r
1469\r
b24e0f6c 1470 pemu_loop_end();\r
df92fbd1 1471 emu_sound_stop();\r
730259b7 1472\r
1473 // pemu_loop_end() might want to do 1 frame for bg image,\r
1474 // so free CD buffer here\r
1475 if (PicoAHW & PAHW_MCD)\r
1476 PicoCDBufferFree();\r
b24e0f6c 1477}\r
1478\r
fast MegaDrive/MegaCD/32X emulator