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platform ps2, handle audio similar to psp
[picodrive.git] / platform / common / emu.c
CommitLineData
cff531af 1/*\r
2 * PicoDrive\r
3 * (C) notaz, 2007-2010\r
15cc45c0 4 * (C) irixxxx, 2019-2024\r
cff531af 5 *\r
6 * This work is licensed under the terms of MAME license.\r
7 * See COPYING file in the top-level directory.\r
8 */\r
ea8c405f 9\r
10#include <stdio.h>\r
11#include <stdlib.h>\r
4c2e3554 12#include <string.h>\r
b24e0f6c 13#include <stdarg.h>\r
9c9cda8c 14#ifdef __GP2X__\r
ea8c405f 15#include <unistd.h>\r
16#endif\r
17\r
e743be20 18#include "../libpicofe/posix.h"\r
19#include "../libpicofe/input.h"\r
20#include "../libpicofe/fonts.h"\r
df92fbd1 21#include "../libpicofe/sndout.h"\r
e743be20 22#include "../libpicofe/lprintf.h"\r
15cc45c0 23#include "../libpicofe/readpng.h"\r
e743be20 24#include "../libpicofe/plat.h"\r
ea8c405f 25#include "emu.h"\r
e743be20 26#include "input_pico.h"\r
27#include "menu_pico.h"\r
39e6f973 28#include "config_file.h"\r
ea8c405f 29\r
efcba75f 30#include <pico/pico_int.h>\r
31#include <pico/patch.h>\r
ea8c405f 32\r
d0eab7da 33#if defined(__GNUC__) && __GNUC__ >= 7\r
34#pragma GCC diagnostic ignored "-Wformat-truncation"\r
35#endif\r
36\r
9c9cda8c 37#ifndef _WIN32\r
38#define PATH_SEP "/"\r
39#define PATH_SEP_C '/'\r
40#else\r
41#define PATH_SEP "\\"\r
42#define PATH_SEP_C '\\'\r
43#endif\r
ea8c405f 44\r
54646a39 45#define STATUS_MSG_TIMEOUT 2000\r
46\r
e2de9939 47void *g_screen_ptr;\r
48\r
9c9cda8c 49int g_screen_width = 320;\r
50int g_screen_height = 240;\r
9cdfc191 51int g_screen_ppitch = 320; // pitch in pixels\r
e2de9939 52\r
b59172e3 53const char *PicoConfigFile = "config2.cfg";\r
58c86d00 54currentConfig_t currentConfig, defaultConfig;\r
ea8c405f 55int state_slot = 0;\r
56int config_slot = 0, config_slot_current = 0;\r
f2cf8472 57int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
b7d64dbd 58int pico_inp_mode;\r
59int flip_after_sync;\r
713c9224 60int engineState = PGS_Menu;\r
61\r
68a95087 62static short __attribute__((aligned(4))) sndBuffer[2*54000/50];\r
df92fbd1 63\r
ae87bffa 64/* tmp buff to reduce stack usage for plats with small stack */\r
65static char static_buff[512];\r
636d5f25 66const char *rom_fname_reload;\r
ae87bffa 67char rom_fname_loaded[512];\r
f2cf8472 68int reset_timing = 0;\r
b24e0f6c 69static unsigned int notice_msg_time; /* when started showing */\r
70static char noticeMsg[40];\r
ea8c405f 71\r
72unsigned char *movie_data = NULL;\r
73static int movie_size = 0;\r
74\r
ea8c405f 75\r
ee2a3bdf 76/* don't use tolower() for easy old glibc binary compatibility */\r
f8af9634 77static void strlwr_(char *string)\r
ea8c405f 78{\r
f8af9634 79 char *p;\r
80 for (p = string; *p; p++)\r
ee2a3bdf 81 if ('A' <= *p && *p <= 'Z')\r
82 *p += 'a' - 'A';\r
ea8c405f 83}\r
84\r
ca482e5d 85static int try_rfn_cut(char *fname)\r
ea8c405f 86{\r
87 FILE *tmp;\r
88 char *p;\r
89\r
ca482e5d 90 p = fname + strlen(fname) - 1;\r
91 for (; p > fname; p--)\r
ea8c405f 92 if (*p == '.') break;\r
93 *p = 0;\r
94\r
ca482e5d 95 if((tmp = fopen(fname, "rb"))) {\r
ea8c405f 96 fclose(tmp);\r
97 return 1;\r
98 }\r
99 return 0;\r
100}\r
101\r
35e3031a 102static void get_ext(const char *file, char *ext)\r
ea8c405f 103{\r
35e3031a 104 const char *p;\r
ea8c405f 105\r
106 p = file + strlen(file) - 4;\r
107 if (p < file) p = file;\r
108 strncpy(ext, p, 4);\r
109 ext[4] = 0;\r
110 strlwr_(ext);\r
111}\r
112\r
fcdefcf6 113static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)\r
114{\r
115 int prefix_len = 0;\r
116 const char *p;\r
117\r
118 *dst = 0;\r
119 if (prefix) {\r
120 int len = plat_get_root_dir(dst, dstlen);\r
121 strcpy(dst + len, prefix);\r
122 prefix_len = len + strlen(prefix);\r
123 }\r
124\r
125 p = fname + strlen(fname) - 1;\r
126 for (; p >= fname && *p != PATH_SEP_C; p--)\r
127 ;\r
128 p++;\r
129 strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);\r
130\r
131 dst[dstlen - 8] = 0;\r
a20300bf 132 if ((p = strrchr(dst, '.')) != NULL)\r
133 dst[p-dst] = 0;\r
fcdefcf6 134 if (ext)\r
135 strcat(dst, ext);\r
136}\r
137\r
138static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)\r
139{\r
140 fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);\r
141}\r
142\r
b24e0f6c 143void emu_status_msg(const char *format, ...)\r
144{\r
145 va_list vl;\r
54646a39 146 int ret;\r
b24e0f6c 147\r
148 va_start(vl, format);\r
54646a39 149 ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r
b24e0f6c 150 va_end(vl);\r
151\r
54646a39 152 /* be sure old text gets overwritten */\r
153 for (; ret < 28; ret++)\r
154 noticeMsg[ret] = ' ';\r
155 noticeMsg[ret] = 0;\r
156\r
b24e0f6c 157 notice_msg_time = plat_get_ticks_ms();\r
158}\r
159\r
2446536b 160static const char * const biosfiles_us[] = {\r
b08a2950 161 "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U"\r
2446536b 162};\r
163static const char * const biosfiles_eu[] = {\r
b08a2950 164 "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E"\r
2446536b 165};\r
166static const char * const biosfiles_jp[] = {\r
b08a2950 167 "jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"\r
2446536b 168};\r
ea8c405f 169\r
4c2e3554 170static const char *find_bios(int *region, const char *cd_fname)\r
ea8c405f 171{\r
ea8c405f 172 int i, count;\r
54646a39 173 const char * const *files;\r
ea8c405f 174 FILE *f = NULL;\r
4c2e3554 175 int ret;\r
176\r
177 // we need to have config loaded at this point\r
178 ret = emu_read_config(cd_fname, 0);\r
179 if (!ret) emu_read_config(NULL, 0);\r
180\r
93f9619e 181 if (PicoIn.regionOverride) {\r
182 *region = PicoIn.regionOverride;\r
4c2e3554 183 lprintf("override region to %s\n", *region != 4 ?\r
184 (*region == 8 ? "EU" : "JAP") : "USA");\r
185 }\r
ea8c405f 186\r
02f3222f 187 // look for MSU.MD rom file. XXX another extension list? ugh...\r
188 static const char *md_exts[] = { "gen", "smd", "md", "32x" };\r
189 char *ext = strrchr(cd_fname, '.');\r
190 int extpos = ext ? ext-cd_fname : strlen(cd_fname);\r
191 strcpy(static_buff, cd_fname);\r
192 static_buff[extpos++] = '.';\r
193 for (i = 0; i < ARRAY_SIZE(md_exts); i++) {\r
194 strcpy(static_buff+extpos, md_exts[i]);\r
195 if (access(static_buff, R_OK) == 0) {\r
196 printf("found MSU rom: %s\n",static_buff);\r
197 return static_buff;\r
198 }\r
199 }\r
200\r
201 // locate BIOS file\r
4c2e3554 202 if (*region == 4) { // US\r
ea8c405f 203 files = biosfiles_us;\r
204 count = sizeof(biosfiles_us) / sizeof(char *);\r
4c2e3554 205 } else if (*region == 8) { // EU\r
ea8c405f 206 files = biosfiles_eu;\r
207 count = sizeof(biosfiles_eu) / sizeof(char *);\r
4c2e3554 208 } else if (*region == 1 || *region == 2) {\r
ea8c405f 209 files = biosfiles_jp;\r
210 count = sizeof(biosfiles_jp) / sizeof(char *);\r
211 } else {\r
212 return 0;\r
213 }\r
214\r
215 for (i = 0; i < count; i++)\r
216 {\r
ae87bffa 217 emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r
218 strcat(static_buff, ".bin");\r
219 f = fopen(static_buff, "rb");\r
ea8c405f 220 if (f) break;\r
221\r
ae87bffa 222 static_buff[strlen(static_buff) - 4] = 0;\r
223 strcat(static_buff, ".zip");\r
224 f = fopen(static_buff, "rb");\r
ea8c405f 225 if (f) break;\r
e994ebeb 226\r
227 strcpy(static_buff, files[i]);\r
228 strcat(static_buff, ".bin");\r
229 f = fopen(static_buff, "rb");\r
230 if (f) break;\r
231\r
232 static_buff[strlen(static_buff) - 4] = 0;\r
233 strcat(static_buff, ".zip");\r
234 f = fopen(static_buff, "rb");\r
235 if (f) break;\r
ea8c405f 236 }\r
237\r
238 if (f) {\r
ae87bffa 239 lprintf("using bios: %s\n", static_buff);\r
ea8c405f 240 fclose(f);\r
4c2e3554 241 return static_buff;\r
ea8c405f 242 } else {\r
ae87bffa 243 sprintf(static_buff, "no %s BIOS files found, read docs",\r
4c2e3554 244 *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");\r
e743be20 245 menu_update_msg(static_buff);\r
4c2e3554 246 return NULL;\r
ea8c405f 247 }\r
248}\r
249\r
c6196c0f 250/* check if the name begins with BIOS name */\r
1ca2ea4f 251/*\r
c6196c0f 252static int emu_isBios(const char *name)\r
253{\r
254 int i;\r
255 for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r
256 if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r
257 for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r
258 if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r
259 for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r
260 if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r
261 return 0;\r
262}\r
1ca2ea4f 263*/\r
c6196c0f 264\r
7a87643e 265static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r
58c86d00 266{\r
267 char *p = dest;\r
268 int i;\r
269\r
270 if (swab) swab = 1;\r
271\r
272 for (i = len - 1; i >= 0; i--)\r
273 {\r
274 if (src[i^swab] != ' ') break;\r
275 }\r
276 len = i + 1;\r
277\r
278 for (i = 0; i < len; i++)\r
279 {\r
280 unsigned char s = src[i^swab];\r
281 if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r
282 s != '[' && s != ']' && s != '\\')\r
283 {\r
284 *p++ = s;\r
285 }\r
286 else\r
287 {\r
288 sprintf(p, "\\%02x", s);\r
289 p += 3;\r
290 }\r
291 }\r
292\r
293 return p - dest;\r
294}\r
295\r
fcdefcf6 296static char *emu_make_rom_id(const char *fname)\r
58c86d00 297{\r
ca482e5d 298 static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r
bdec53c9 299 int pos, swab = 1;\r
58c86d00 300\r
93f9619e 301 if (PicoIn.AHW & PAHW_MCD) {\r
bdec53c9 302 strcpy(id_string, "CD|");\r
303 swab = 0;\r
304 }\r
93f9619e 305 else if (PicoIn.AHW & PAHW_SMS)\r
fcdefcf6 306 strcpy(id_string, "MS|");\r
307 else strcpy(id_string, "MD|");\r
58c86d00 308 pos = 3;\r
309\r
93f9619e 310 if (!(PicoIn.AHW & PAHW_SMS)) {\r
4c2e3554 311 pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial\r
fcdefcf6 312 id_string[pos] = '|'; pos++;\r
4c2e3554 313 pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region\r
fcdefcf6 314 id_string[pos] = '|'; pos++;\r
4c2e3554 315 pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name\r
fcdefcf6 316 id_string[pos] = 0;\r
317 if (pos > 5)\r
318 return id_string;\r
319 pos = 3;\r
320 }\r
321\r
322 // can't find name in ROM, use filename\r
323 fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);\r
58c86d00 324\r
58c86d00 325 return id_string;\r
326}\r
327\r
ca482e5d 328// buffer must be at least 150 byte long\r
a47dd663 329void emu_get_game_name(char *str150)\r
ca482e5d 330{\r
93f9619e 331 int ret, swab = (PicoIn.AHW & PAHW_MCD) ? 0 : 1;\r
ca482e5d 332 char *s, *d;\r
333\r
4c2e3554 334 ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name\r
ca482e5d 335\r
336 for (s = d = str150 + 1; s < str150+ret; s++)\r
337 {\r
338 if (*s == 0) break;\r
339 if (*s != ' ' || d[-1] != ' ')\r
340 *d++ = *s;\r
341 }\r
342 *d = 0;\r
343}\r
344\r
974fdb5b 345static void system_announce(void)\r
346{\r
f3a57b2d 347 const char *sys_name, *tv_standard, *extra = "";\r
974fdb5b 348 int fps;\r
349\r
93f9619e 350 if (PicoIn.AHW & PAHW_SMS) {\r
974fdb5b 351 sys_name = "Master System";\r
0aa63fce 352 if (PicoIn.AHW & PAHW_GG)\r
466fa079 353 sys_name = "Game Gear";\r
0aa63fce 354 else if (PicoIn.AHW & PAHW_SG)\r
df6c895c 355 sys_name = "SG-1000";\r
0aa63fce 356 else if (PicoIn.AHW & PAHW_SC)\r
cab84f29 357 sys_name = "SC-3000";\r
df6c895c 358 else if (Pico.m.hardware & PMS_HW_JAP)\r
b23725dd 359 sys_name = "Mark III";\r
f3a57b2d 360#ifdef NO_SMS\r
361 extra = " [no support]";\r
362#endif\r
93f9619e 363 } else if (PicoIn.AHW & PAHW_PICO) {\r
974fdb5b 364 sys_name = "Pico";\r
93f9619e 365 } else if ((PicoIn.AHW & (PAHW_32X|PAHW_MCD)) == (PAHW_32X|PAHW_MCD)) {\r
fa8fb754 366 sys_name = "32X + Mega CD";\r
367 if ((Pico.m.hardware & 0xc0) == 0x80)\r
368 sys_name = "32X + Sega CD";\r
93f9619e 369 } else if (PicoIn.AHW & PAHW_MCD) {\r
974fdb5b 370 sys_name = "Mega CD";\r
371 if ((Pico.m.hardware & 0xc0) == 0x80)\r
372 sys_name = "Sega CD";\r
93f9619e 373 } else if (PicoIn.AHW & PAHW_32X) {\r
974fdb5b 374 sys_name = "32X";\r
375 } else {\r
d818246c 376 sys_name = "Mega Drive";\r
974fdb5b 377 if ((Pico.m.hardware & 0xc0) == 0x80)\r
378 sys_name = "Genesis";\r
379 }\r
380 tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r
381 fps = Pico.m.pal ? 50 : 60;\r
382\r
f3a57b2d 383 emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);\r
974fdb5b 384}\r
385\r
4c2e3554 386static void do_region_override(const char *media_fname)\r
387{\r
388 // we only need to override region if config tells us so\r
389 int ret = emu_read_config(media_fname, 0);\r
390 if (!ret) emu_read_config(NULL, 0);\r
391}\r
392\r
636d5f25 393int emu_reload_rom(const char *rom_fname_in)\r
ea8c405f 394{\r
68af34fe 395 // use setting before rom config is loaded\r
396 int autoload = g_autostateld_opt;\r
636d5f25 397 char *rom_fname = NULL;\r
ea8c405f 398 char ext[5];\r
4c2e3554 399 enum media_type_e media_type;\r
636d5f25 400 int menu_romload_started = 0;\r
4c2e3554 401 char carthw_path[512];\r
636d5f25 402 int retval = 0;\r
ea8c405f 403\r
636d5f25 404 lprintf("emu_ReloadRom(%s)\n", rom_fname_in);\r
ea8c405f 405\r
636d5f25 406 rom_fname = strdup(rom_fname_in);\r
407 if (rom_fname == NULL)\r
408 return 0;\r
409\r
ca482e5d 410 get_ext(rom_fname, ext);\r
ea8c405f 411\r
77189b7d 412 // early cleanup\r
413 PicoPatchUnload();\r
eacee137 414 if (movie_data) {\r
ea8c405f 415 free(movie_data);\r
416 movie_data = 0;\r
417 }\r
77189b7d 418\r
c7e1c39b 419 if (!strcasecmp(ext, ".gmv"))\r
2d2247c2 420 {\r
ea8c405f 421 // check for both gmv and rom\r
422 int dummy;\r
ca482e5d 423 FILE *movie_file = fopen(rom_fname, "rb");\r
b8a1c09a 424 if (!movie_file) {\r
e743be20 425 menu_update_msg("Failed to open movie.");\r
636d5f25 426 goto out;\r
ea8c405f 427 }\r
428 fseek(movie_file, 0, SEEK_END);\r
429 movie_size = ftell(movie_file);\r
430 fseek(movie_file, 0, SEEK_SET);\r
b8a1c09a 431 if (movie_size < 64+3) {\r
e743be20 432 menu_update_msg("Invalid GMV file.");\r
ea8c405f 433 fclose(movie_file);\r
636d5f25 434 goto out;\r
ea8c405f 435 }\r
436 movie_data = malloc(movie_size);\r
b8a1c09a 437 if (movie_data == NULL) {\r
e743be20 438 menu_update_msg("low memory.");\r
ea8c405f 439 fclose(movie_file);\r
636d5f25 440 goto out;\r
ea8c405f 441 }\r
b8a1c09a 442 dummy = fread(movie_data, 1, movie_size, movie_file);\r
ea8c405f 443 fclose(movie_file);\r
444 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
e743be20 445 menu_update_msg("Invalid GMV file.");\r
636d5f25 446 goto out;\r
ea8c405f 447 }\r
ca482e5d 448 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 449 if (!dummy) {\r
e743be20 450 menu_update_msg("Could't find a ROM for movie.");\r
636d5f25 451 goto out;\r
ea8c405f 452 }\r
ca482e5d 453 get_ext(rom_fname, ext);\r
f8af9634 454 lprintf("gmv loaded for %s\n", rom_fname);\r
ea8c405f 455 }\r
c7e1c39b 456 else if (!strcasecmp(ext, ".pat"))\r
ca482e5d 457 {\r
ea8c405f 458 int dummy;\r
ca482e5d 459 PicoPatchLoad(rom_fname);\r
460 dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r
ea8c405f 461 if (!dummy) {\r
e743be20 462 menu_update_msg("Could't find a ROM to patch.");\r
636d5f25 463 goto out;\r
ea8c405f 464 }\r
ca482e5d 465 get_ext(rom_fname, ext);\r
ea8c405f 466 }\r
467\r
4c2e3554 468 menu_romload_prepare(rom_fname); // also CD load\r
469 menu_romload_started = 1;\r
ea8c405f 470\r
4c2e3554 471 emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));\r
3e49ffd0 472\r
a5085db3 473 media_type = PicoLoadMedia(rom_fname, NULL, 0, carthw_path,\r
4c2e3554 474 find_bios, do_region_override);\r
ea8c405f 475\r
4c2e3554 476 switch (media_type) {\r
477 case PM_BAD_DETECT:\r
478 menu_update_msg("Not a ROM/CD img selected.");\r
636d5f25 479 goto out;\r
4c2e3554 480 case PM_BAD_CD:\r
481 menu_update_msg("Invalid CD image");\r
636d5f25 482 goto out;\r
4c2e3554 483 case PM_BAD_CD_NO_BIOS:\r
484 // find_bios() prints a message\r
636d5f25 485 goto out;\r
4c2e3554 486 case PM_ERROR:\r
487 menu_update_msg("Load error");\r
636d5f25 488 goto out;\r
4c2e3554 489 default:\r
490 break;\r
ea8c405f 491 }\r
492\r
a76fad41 493 // make quirks visible in UI\r
93f9619e 494 if (PicoIn.quirks & PQUIRK_FORCE_6BTN)\r
a76fad41 495 currentConfig.input_dev0 = PICO_INPUT_PAD_6BTN;\r
496\r
4b167c12 497 menu_romload_end();\r
636d5f25 498 menu_romload_started = 0;\r
4b167c12 499\r
ea8c405f 500 if (PicoPatches) {\r
501 PicoPatchPrepare();\r
502 PicoPatchApply();\r
503 }\r
504\r
505 // additional movie stuff\r
f9f40f10 506 if (movie_data)\r
507 {\r
531a8f38 508 enum input_device indev = (movie_data[0x14] == '6') ?\r
509 PICO_INPUT_PAD_6BTN : PICO_INPUT_PAD_3BTN;\r
510 PicoSetInputDevice(0, indev);\r
511 PicoSetInputDevice(1, indev);\r
512\r
93f9619e 513 PicoIn.opt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r
f9f40f10 514 if (movie_data[0xF] >= 'A') {\r
515 if (movie_data[0x16] & 0x80) {\r
93f9619e 516 PicoIn.regionOverride = 8;\r
ea8c405f 517 } else {\r
93f9619e 518 PicoIn.regionOverride = 4;\r
ea8c405f 519 }\r
1cb1584b 520 PicoReset();\r
ea8c405f 521 // TODO: bits 6 & 5\r
522 }\r
523 movie_data[0x18+30] = 0;\r
b24e0f6c 524 emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r
ea8c405f 525 }\r
526 else\r
527 {\r
a54716ec 528 PicoSetInputDevice(0, currentConfig.input_dev0);\r
529 PicoSetInputDevice(1, currentConfig.input_dev1);\r
530\r
974fdb5b 531 system_announce();\r
93f9619e 532 PicoIn.opt &= ~POPT_DIS_VDP_FIFO;\r
ea8c405f 533 }\r
ea8c405f 534\r
bcc9eda0 535 strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r
536 rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r
bcc9eda0 537\r
ea8c405f 538 // load SRAM for this ROM\r
a47dd663 539 if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r
540 emu_save_load_game(1, 1);\r
ea8c405f 541\r
c7074ddb 542 // state autoload?\r
68af34fe 543 if (autoload) {\r
c7074ddb 544 int time, newest = 0, newest_slot = -1;\r
545 int slot;\r
546\r
547 for (slot = 0; slot < 10; slot++) {\r
548 if (emu_check_save_file(slot, &time)) {\r
549 if (time > newest) {\r
550 newest = time;\r
551 newest_slot = slot;\r
552 }\r
553 }\r
554 }\r
555\r
556 if (newest_slot >= 0) {\r
557 lprintf("autoload slot %d\n", newest_slot);\r
558 state_slot = newest_slot;\r
559 emu_save_load_game(1, 0);\r
560 }\r
561 else {\r
562 lprintf("no save to autoload.\n");\r
563 }\r
564 }\r
565\r
636d5f25 566 retval = 1;\r
567out:\r
636d5f25 568 if (menu_romload_started)\r
569 menu_romload_end();\r
570 free(rom_fname);\r
571 return retval;\r
ea8c405f 572}\r
573\r
35e3031a 574int emu_swap_cd(const char *fname)\r
575{\r
15ca7152 576 enum cd_track_type cd_type;\r
35e3031a 577 int ret = -1;\r
578\r
4c2e3554 579 cd_type = PicoCdCheck(fname, NULL);\r
15ca7152 580 if (cd_type != CT_UNKNOWN)\r
274fcc35 581 ret = cdd_load(fname, cd_type);\r
35e3031a 582 if (ret != 0) {\r
e743be20 583 menu_update_msg("Load failed, invalid CD image?");\r
35e3031a 584 return 0;\r
585 }\r
586\r
587 strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r
274fcc35 588 rom_fname_loaded[sizeof(rom_fname_loaded) - 1] = 0;\r
589\r
35e3031a 590 return 1;\r
591}\r
592\r
ae87bffa 593// <base dir><end>\r
27701801 594void emu_make_path(char *buff, const char *end, int size)\r
08fe8094 595{\r
27701801 596 int pos, end_len;\r
597\r
598 end_len = strlen(end);\r
599 pos = plat_get_root_dir(buff, size);\r
600 strncpy(buff + pos, end, size - pos);\r
601 buff[size - 1] = 0;\r
602 if (pos + end_len > size - 1)\r
603 lprintf("Warning: path truncated: %s\n", buff);\r
604}\r
605\r
606static void make_config_cfg(char *cfg_buff_512)\r
607{\r
608 emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r
08fe8094 609 if (config_slot != 0)\r
610 {\r
27701801 611 char *p = strrchr(cfg_buff_512, '.');\r
612 if (p == NULL)\r
613 p = cfg_buff_512 + strlen(cfg_buff_512);\r
08fe8094 614 sprintf(p, ".%i.cfg", config_slot);\r
615 }\r
27701801 616 cfg_buff_512[511] = 0;\r
08fe8094 617}\r
618\r
697746df 619void emu_prep_defconfig(void)\r
620{\r
621 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
37631374 622 defaultConfig.EmuOpt = EOPT_EN_SRAM | EOPT_EN_SOUND | EOPT_16BPP |\r
15cc45c0 623 EOPT_EN_CD_LEDS | EOPT_GZIP_SAVES | EOPT_PICO_PEN;\r
1a9da199 624 defaultConfig.s_PicoOpt = POPT_EN_SNDFILTER|POPT_EN_GG_LCD|POPT_EN_YM2413 |\r
37631374 625 POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r
720bfc5d 626 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |\r
92dfd9af 627 POPT_EN_DRC|POPT_ACC_SPRITES |\r
697746df 628 POPT_EN_32X|POPT_EN_PWM;\r
629 defaultConfig.s_PsndRate = 44100;\r
630 defaultConfig.s_PicoRegion = 0; // auto\r
631 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
280bfc3c 632 defaultConfig.s_hwSelect = PHWS_AUTO;\r
697746df 633 defaultConfig.s_PicoCDBuffers = 0;\r
37631374 634 defaultConfig.s_PicoSndFilterAlpha = 0x10000 * 60 / 100;\r
fcdefcf6 635 defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r
697746df 636 defaultConfig.Frameskip = -1; // auto\r
531a8f38 637 defaultConfig.input_dev0 = PICO_INPUT_PAD_3BTN;\r
638 defaultConfig.input_dev1 = PICO_INPUT_PAD_3BTN;\r
697746df 639 defaultConfig.volume = 50;\r
640 defaultConfig.gamma = 100;\r
641 defaultConfig.scaling = 0;\r
642 defaultConfig.turbo_rate = 15;\r
ed4402a7 643 defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;\r
644 defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;\r
e7ee7bc0 645 defaultConfig.max_skip = 4;\r
697746df 646\r
647 // platform specific overrides\r
648 pemu_prep_defconfig();\r
649}\r
650\r
d90f5bd7 651void emu_set_defconfig(void)\r
ca482e5d 652{\r
a47dd663 653 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
93f9619e 654 PicoIn.opt = currentConfig.s_PicoOpt;\r
6311a3ba 655 PicoIn.sndRate = currentConfig.s_PsndRate;\r
93f9619e 656 PicoIn.regionOverride = currentConfig.s_PicoRegion;\r
657 PicoIn.autoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
280bfc3c 658 PicoIn.hwSelect = currentConfig.s_hwSelect;\r
37631374 659 PicoIn.sndFilterAlpha = currentConfig.s_PicoSndFilterAlpha;\r
ca482e5d 660}\r
661\r
fcdefcf6 662int emu_read_config(const char *rom_fname, int no_defaults)\r
ea8c405f 663{\r
58c86d00 664 char cfg[512];\r
58c86d00 665 int ret;\r
ea8c405f 666\r
490eb480 667 if (!no_defaults)\r
668 emu_set_defconfig();\r
669\r
fcdefcf6 670 if (rom_fname == NULL)\r
ea8c405f 671 {\r
fcdefcf6 672 // global config\r
08fe8094 673 make_config_cfg(cfg);\r
58c86d00 674 ret = config_readsect(cfg, NULL);\r
ea8c405f 675 }\r
58c86d00 676 else\r
677 {\r
504e2f56 678 char ext[16];\r
679 int vol;\r
ea8c405f 680\r
58c86d00 681 if (config_slot != 0)\r
504e2f56 682 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
a39b7867 683 else\r
504e2f56 684 strcpy(ext, ".cfg");\r
685\r
686 fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);\r
687\r
688 // read user's config\r
689 vol = currentConfig.volume;\r
690 ret = config_readsect(cfg, NULL);\r
691 currentConfig.volume = vol; // make vol global (bah)\r
692\r
693 if (ret != 0)\r
08fe8094 694 {\r
695 // read global config, and apply game_def.cfg on top\r
696 make_config_cfg(cfg);\r
697 config_readsect(cfg, NULL);\r
58c86d00 698\r
504e2f56 699 emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r
700 ret = config_readsect(cfg, emu_make_rom_id(rom_fname));\r
58c86d00 701 }\r
ea8c405f 702 }\r
58c86d00 703\r
697746df 704 pemu_validate_config();\r
35f2b65e 705 PicoIn.overclockM68k = currentConfig.overclock_68k;\r
ee2a3bdf 706\r
ea8c405f 707 // some sanity checks\r
ee2a3bdf 708 if (currentConfig.volume < 0 || currentConfig.volume > 99)\r
709 currentConfig.volume = 50;\r
710\r
711 if (ret == 0)\r
712 config_slot_current = config_slot;\r
991473ad 713\r
58c86d00 714 return (ret == 0);\r
ea8c405f 715}\r
716\r
717\r
a47dd663 718int emu_write_config(int is_game)\r
ea8c405f 719{\r
504e2f56 720 char cfg[512];\r
58c86d00 721 int ret, write_lrom = 0;\r
ea8c405f 722\r
58c86d00 723 if (!is_game)\r
ea8c405f 724 {\r
ca482e5d 725 make_config_cfg(cfg);\r
58c86d00 726 write_lrom = 1;\r
ea8c405f 727 } else {\r
504e2f56 728 char ext[16];\r
729\r
ea8c405f 730 if (config_slot != 0)\r
504e2f56 731 snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r
732 else\r
733 strcpy(ext, ".cfg");\r
734\r
735 romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);\r
ea8c405f 736 }\r
737\r
a47dd663 738 lprintf("emu_write_config: %s ", cfg);\r
504e2f56 739 ret = config_write(cfg);\r
1ca2ea4f 740 if (write_lrom) config_writelrom(cfg);\r
9c9cda8c 741#ifdef __GP2X__\r
58c86d00 742 sync();\r
ea8c405f 743#endif\r
58c86d00 744 lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r
ea8c405f 745\r
58c86d00 746 if (ret == 0) config_slot_current = config_slot;\r
747 return ret == 0;\r
ea8c405f 748}\r
749\r
750\r
e2de9939 751/* always using built-in font */\r
752\r
cc41eb4f 753#define mk_text_out(name, type, val, topleft, step_x, step_y) \\r
e2de9939 754void name(int x, int y, const char *text) \\r
755{ \\r
756 int i, l, len = strlen(text); \\r
cc41eb4f 757 type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r
e2de9939 758 \\r
cc41eb4f 759 for (i = 0; i < len; i++, screen += 8 * step_x) \\r
e2de9939 760 { \\r
761 for (l = 0; l < 8; l++) \\r
762 { \\r
763 unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r
cc41eb4f 764 type *s = screen + l * step_y; \\r
765 if (fd&0x80) s[step_x * 0] = val; \\r
766 if (fd&0x40) s[step_x * 1] = val; \\r
767 if (fd&0x20) s[step_x * 2] = val; \\r
768 if (fd&0x10) s[step_x * 3] = val; \\r
769 if (fd&0x08) s[step_x * 4] = val; \\r
770 if (fd&0x04) s[step_x * 5] = val; \\r
771 if (fd&0x02) s[step_x * 6] = val; \\r
772 if (fd&0x01) s[step_x * 7] = val; \\r
e2de9939 773 } \\r
774 } \\r
ea8c405f 775}\r
776\r
9cdfc191 777mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_ppitch)\r
778mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_ppitch)\r
cc41eb4f 779mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r
9cdfc191 780 (char *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)\r
cc41eb4f 781mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r
9cdfc191 782 (short *)g_screen_ptr + (g_screen_ppitch - 1) * g_screen_height, -g_screen_height, 1)\r
ea8c405f 783\r
e2de9939 784#undef mk_text_out\r
ea8c405f 785\r
f7e40c9b 786void emu_osd_text16(int x, int y, const char *text)\r
787{\r
788 int len = strlen(text) * 8;\r
789 int i, h;\r
790\r
791 len++;\r
792 if (x + len > g_screen_width)\r
793 len = g_screen_width - x;\r
794\r
795 for (h = 0; h < 8; h++) {\r
796 unsigned short *p;\r
797 p = (unsigned short *)g_screen_ptr\r
9cdfc191 798 + x + g_screen_ppitch * (y + h);\r
f7e40c9b 799 for (i = len; i > 0; i--, p++)\r
800 *p = (*p >> 2) & 0x39e7;\r
801 }\r
802 emu_text_out16(x, y, text);\r
803}\r
ea8c405f 804\r
f7e40c9b 805static void update_movie(void)\r
ea8c405f 806{\r
807 int offs = Pico.m.frame_count*3 + 0x40;\r
808 if (offs+3 > movie_size) {\r
809 free(movie_data);\r
810 movie_data = 0;\r
b24e0f6c 811 emu_status_msg("END OF MOVIE.");\r
ea8c405f 812 lprintf("END OF MOVIE.\n");\r
ea8c405f 813 } else {\r
814 // MXYZ SACB RLDU\r
93f9619e 815 PicoIn.pad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
816 if(!(movie_data[offs] & 0x10)) PicoIn.pad[0] |= 0x40; // C\r
817 if(!(movie_data[offs] & 0x20)) PicoIn.pad[0] |= 0x10; // A\r
818 if(!(movie_data[offs] & 0x40)) PicoIn.pad[0] |= 0x20; // B\r
819 PicoIn.pad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
820 if(!(movie_data[offs+1] & 0x10)) PicoIn.pad[1] |= 0x40; // C\r
821 if(!(movie_data[offs+1] & 0x20)) PicoIn.pad[1] |= 0x10; // A\r
822 if(!(movie_data[offs+1] & 0x40)) PicoIn.pad[1] |= 0x20; // B\r
823 PicoIn.pad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
824 if(!(movie_data[offs+2] & 0x01)) PicoIn.pad[0] |= 0x0400; // X\r
825 if(!(movie_data[offs+2] & 0x04)) PicoIn.pad[0] |= 0x0100; // Z\r
826 PicoIn.pad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
827 if(!(movie_data[offs+2] & 0x10)) PicoIn.pad[1] |= 0x0400; // X\r
828 if(!(movie_data[offs+2] & 0x40)) PicoIn.pad[1] |= 0x0100; // Z\r
ea8c405f 829 }\r
830}\r
831\r
c7074ddb 832static int try_ropen_file(const char *fname, int *time)\r
ea8c405f 833{\r
c7074ddb 834 struct stat st;\r
ea8c405f 835 FILE *f;\r
836\r
837 f = fopen(fname, "rb");\r
838 if (f) {\r
c7074ddb 839 if (time != NULL) {\r
840 *time = 0;\r
841 if (fstat(fileno(f), &st) == 0)\r
842 *time = (int)st.st_mtime;\r
843 }\r
ea8c405f 844 fclose(f);\r
845 return 1;\r
846 }\r
847 return 0;\r
848}\r
849\r
c7074ddb 850char *emu_get_save_fname(int load, int is_sram, int slot, int *time)\r
ea8c405f 851{\r
ae87bffa 852 char *saveFname = static_buff;\r
ea8c405f 853 char ext[16];\r
854\r
855 if (is_sram)\r
856 {\r
93f9619e 857 strcpy(ext, (PicoIn.AHW & PAHW_MCD) ? ".brm" : ".srm");\r
fcdefcf6 858 romfname_ext(saveFname, sizeof(static_buff),\r
93f9619e 859 (PicoIn.AHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r
6bc00695 860 if (!load)\r
861 return saveFname;\r
862\r
c7074ddb 863 if (try_ropen_file(saveFname, time))\r
6bc00695 864 return saveFname;\r
865\r
fcdefcf6 866 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
c7074ddb 867 if (try_ropen_file(saveFname, time))\r
6bc00695 868 return saveFname;\r
ea8c405f 869 }\r
870 else\r
871 {\r
6bc00695 872 const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r
873 const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r
ea8c405f 874 ext[0] = 0;\r
6bc00695 875 if (slot > 0 && slot < 10)\r
876 sprintf(ext, ".%i", slot);\r
877 strcat(ext, ext_main);\r
878\r
879 if (!load) {\r
fcdefcf6 880 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
6bc00695 881 return saveFname;\r
882 }\r
883 else {\r
fcdefcf6 884 romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r
c7074ddb 885 if (try_ropen_file(saveFname, time))\r
6bc00695 886 return saveFname;\r
ea8c405f 887\r
fcdefcf6 888 romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r
c7074ddb 889 if (try_ropen_file(saveFname, time))\r
6bc00695 890 return saveFname;\r
891\r
892 // try the other ext\r
893 ext[0] = 0;\r
894 if (slot > 0 && slot < 10)\r
895 sprintf(ext, ".%i", slot);\r
896 strcat(ext, ext_othr);\r
897\r
fcdefcf6 898 romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r
c7074ddb 899 if (try_ropen_file(saveFname, time))\r
6bc00695 900 return saveFname;\r
ea8c405f 901 }\r
902 }\r
903\r
6bc00695 904 return NULL;\r
ea8c405f 905}\r
906\r
cca8800d 907int emu_check_save_file(int slot, int *time)\r
ea8c405f 908{\r
c7074ddb 909 return emu_get_save_fname(1, 0, slot, time) ? 1 : 0;\r
ea8c405f 910}\r
911\r
a47dd663 912int emu_save_load_game(int load, int sram)\r
ea8c405f 913{\r
914 int ret = 0;\r
915 char *saveFname;\r
916\r
917 // make save filename\r
c7074ddb 918 saveFname = emu_get_save_fname(load, sram, state_slot, NULL);\r
ea8c405f 919 if (saveFname == NULL) {\r
d34a42f9 920 if (!sram)\r
b24e0f6c 921 emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r
ea8c405f 922 return -1;\r
923 }\r
924\r
925 lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
926\r
da42200b 927 if (sram)\r
928 {\r
ea8c405f 929 FILE *sramFile;\r
930 int sram_size;\r
931 unsigned char *sram_data;\r
932 int truncate = 1;\r
93f9619e 933 if (PicoIn.AHW & PAHW_MCD)\r
602133e1 934 {\r
93f9619e 935 if (PicoIn.opt & POPT_EN_MCD_RAMCART) {\r
ea8c405f 936 sram_size = 0x12000;\r
88fd63ad 937 sram_data = Pico.sv.data;\r
ea8c405f 938 if (sram_data)\r
fdcfd323 939 memcpy(sram_data, Pico_mcd->bram, 0x2000);\r
ea8c405f 940 } else {\r
941 sram_size = 0x2000;\r
942 sram_data = Pico_mcd->bram;\r
943 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
944 }\r
945 } else {\r
88fd63ad 946 sram_size = Pico.sv.size;\r
947 sram_data = Pico.sv.data;\r
ea8c405f 948 }\r
b8a1c09a 949 if (sram_data == NULL)\r
88fd63ad 950 return 0; // cart saves forcefully disabled for this game\r
ea8c405f 951\r
602133e1 952 if (load)\r
953 {\r
ea8c405f 954 sramFile = fopen(saveFname, "rb");\r
b8a1c09a 955 if (!sramFile)\r
956 return -1;\r
957 ret = fread(sram_data, 1, sram_size, sramFile);\r
958 ret = ret > 0 ? 0 : -1;\r
ea8c405f 959 fclose(sramFile);\r
93f9619e 960 if ((PicoIn.AHW & PAHW_MCD) && (PicoIn.opt&POPT_EN_MCD_RAMCART))\r
fdcfd323 961 memcpy(Pico_mcd->bram, sram_data, 0x2000);\r
ea8c405f 962 } else {\r
963 // sram save needs some special processing\r
964 // see if we have anything to save\r
965 for (; sram_size > 0; sram_size--)\r
966 if (sram_data[sram_size-1]) break;\r
967\r
968 if (sram_size) {\r
969 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
970 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
971 if (!sramFile) return -1;\r
972 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
973 ret = (ret != sram_size) ? -1 : 0;\r
974 fclose(sramFile);\r
9c9cda8c 975#ifdef __GP2X__\r
ea8c405f 976 sync();\r
977#endif\r
978 }\r
979 }\r
980 return ret;\r
981 }\r
982 else\r
983 {\r
bcc9eda0 984 ret = PicoState(saveFname, !load);\r
985 if (!ret) {\r
9c9cda8c 986#ifdef __GP2X__\r
bcc9eda0 987 if (!load) sync();\r
ea8c405f 988#endif\r
54646a39 989 emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r
bcc9eda0 990 } else {\r
b24e0f6c 991 emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r
ea8c405f 992 ret = -1;\r
993 }\r
994\r
ea8c405f 995 return ret;\r
996 }\r
997}\r
bdec53c9 998\r
a47dd663 999void emu_set_fastforward(int set_on)\r
c060a9ab 1000{\r
1001 static void *set_PsndOut = NULL;\r
1002 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
1003\r
1004 if (set_on && !is_on) {\r
6311a3ba 1005 set_PsndOut = PicoIn.sndOut;\r
c060a9ab 1006 set_Frameskip = currentConfig.Frameskip;\r
1007 set_EmuOpt = currentConfig.EmuOpt;\r
6311a3ba 1008 PicoIn.sndOut = NULL;\r
c060a9ab 1009 currentConfig.Frameskip = 8;\r
9f1d5acd 1010 currentConfig.EmuOpt &= ~EOPT_EN_SOUND;\r
37631374 1011 currentConfig.EmuOpt |= EOPT_NO_FRMLIMIT;\r
c060a9ab 1012 is_on = 1;\r
b24e0f6c 1013 emu_status_msg("FAST FORWARD");\r
c060a9ab 1014 }\r
1015 else if (!set_on && is_on) {\r
6311a3ba 1016 PicoIn.sndOut = set_PsndOut;\r
c060a9ab 1017 currentConfig.Frameskip = set_Frameskip;\r
1018 currentConfig.EmuOpt = set_EmuOpt;\r
1019 PsndRerate(1);\r
1020 is_on = 0;\r
1021 }\r
1022}\r
1023\r
d687ef50 1024static void emu_tray_open(void)\r
c060a9ab 1025{\r
d687ef50 1026 engineState = PGS_TrayMenu;\r
1027}\r
1028\r
1029static void emu_tray_close(void)\r
1030{\r
1031 emu_status_msg("CD tray closed.");\r
f2cf8472 1032}\r
1033\r
974fdb5b 1034void emu_32x_startup(void)\r
1035{\r
c7eb229a 1036 plat_video_toggle_renderer(0, 0); // HACK\r
974fdb5b 1037 system_announce();\r
1038}\r
1039\r
f2cf8472 1040void emu_reset_game(void)\r
1041{\r
1042 PicoReset();\r
1043 reset_timing = 1;\r
1044}\r
1045\r
15cc45c0 1046static int pico_page;\r
1047static int pico_w, pico_h;\r
1048static u16 *pico_overlay;\r
1049\r
1050static u16 *load_pico_overlay(int page, int w, int h)\r
f2cf8472 1051{\r
15cc45c0 1052 static const char *pic_exts[] = { "png", "PNG" };\r
1053 char *ext, *fname = NULL;\r
1054 int extpos, i;\r
1055\r
1056 if (pico_page == page && pico_w == w && pico_h == h)\r
1057 return pico_overlay;\r
1058 pico_page = page;\r
1059 pico_w = w, pico_h = h;\r
1060\r
1061 ext = strrchr(rom_fname_loaded, '.');\r
1062 extpos = ext ? ext-rom_fname_loaded : strlen(rom_fname_loaded);\r
1063 strcpy(static_buff, rom_fname_loaded);\r
1064 static_buff[extpos++] = '_';\r
1065 if (page < 0) {\r
1066 static_buff[extpos++] = 'p';\r
1067 static_buff[extpos++] = 'a';\r
1068 static_buff[extpos++] = 'd';\r
1069 } else\r
1070 static_buff[extpos++] = '0'+PicoPicohw.page;\r
1071 static_buff[extpos++] = '.';\r
1072\r
1073 for (i = 0; i < ARRAY_SIZE(pic_exts); i++) {\r
1074 strcpy(static_buff+extpos, pic_exts[i]);\r
1075 if (access(static_buff, R_OK) == 0) {\r
1076 printf("found Pico file: %s\n", static_buff);\r
1077 fname = static_buff;\r
1078 break;\r
c060a9ab 1079 }\r
c060a9ab 1080 }\r
15cc45c0 1081\r
1082 pico_overlay = realloc(pico_overlay, w*h*2);\r
1083 memset(pico_overlay, 0, w*h*2);\r
1084 if (!fname || !pico_overlay || readpng(pico_overlay, fname, READPNG_SCALE, w, h)) {\r
1085 if (pico_overlay)\r
1086 free(pico_overlay);\r
1087 pico_overlay = NULL;\r
1088 }\r
1089\r
1090 return pico_overlay;\r
1091}\r
1092\r
1093void emu_pico_overlay(u16 *pd, int w, int h, int pitch)\r
1094{\r
1095 u16 *overlay = NULL;\r
1096 int y, oh = h;\r
1097\r
1098 // get overlay\r
1099 if (pico_inp_mode == 1) {\r
1100 oh = (w/2 < h ? w/2 : h); // storyware has squished h\r
1101 overlay = load_pico_overlay(PicoPicohw.page, w, oh);\r
1102 } else if (pico_inp_mode == 2)\r
1103 overlay = load_pico_overlay(-1, w, oh);\r
1104\r
1105 // copy overlay onto buffer\r
1106 if (overlay) {\r
1107 for (y = 0; y < oh; y++)\r
1108 memcpy(pd + y*pitch, overlay + y*w, w*2);\r
1109 if (y < h)\r
1110 memset(pd + y*pitch, 0, w*2);\r
1111 }\r
1112}\r
1113\r
1114void run_events_pico(unsigned int events)\r
1115{\r
f2cf8472 1116 if (events & PEV_PICO_PPREV) {\r
c060a9ab 1117 PicoPicohw.page--;\r
d34a42f9 1118 if (PicoPicohw.page < 0)\r
1119 PicoPicohw.page = 0;\r
b24e0f6c 1120 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 1121 }\r
f2cf8472 1122 if (events & PEV_PICO_PNEXT) {\r
c060a9ab 1123 PicoPicohw.page++;\r
d34a42f9 1124 if (PicoPicohw.page > 6)\r
1125 PicoPicohw.page = 6;\r
b24e0f6c 1126 emu_status_msg("Page %i", PicoPicohw.page);\r
c060a9ab 1127 }\r
15cc45c0 1128 if (events & PEV_PICO_STORY) {\r
1129 if (pico_inp_mode == 1) {\r
1130 pico_inp_mode = 0;\r
1131 emu_status_msg("Input: D-Pad");\r
1132 } else {\r
1133 pico_inp_mode = 1;\r
1134 emu_status_msg("Input: Pen on Storyware");\r
1135 }\r
1136 }\r
1137 if (events & PEV_PICO_PAD) {\r
1138 if (pico_inp_mode == 2) {\r
1139 pico_inp_mode = 0;\r
1140 emu_status_msg("Input: D-Pad");\r
1141 } else {\r
1142 pico_inp_mode = 2;\r
1143 emu_status_msg("Input: Pen on Pad");\r
1144 }\r
dca20eff 1145 }\r
15cc45c0 1146 if (events & PEV_PICO_PENST) {\r
c87e36d7 1147 PicoPicohw.pen_pos[0] ^= 0x8000;\r
1148 PicoPicohw.pen_pos[1] ^= 0x8000;\r
1149 emu_status_msg("Pen %s", PicoPicohw.pen_pos[0] & 0x8000 ? "Up" : "Down");\r
1150 }\r
f2cf8472 1151\r
15cc45c0 1152 if ((currentConfig.EmuOpt & EOPT_PICO_PEN) &&\r
1153 (PicoIn.pad[0]&0x20) && pico_inp_mode && pico_overlay) {\r
1154 pico_inp_mode = 0;\r
1155 emu_status_msg("Input: D-Pad");\r
1156 }\r
f2cf8472 1157 if (pico_inp_mode == 0)\r
1158 return;\r
1159\r
1160 /* handle other input modes */\r
93f9619e 1161 if (PicoIn.pad[0] & 1) pico_pen_y--;\r
1162 if (PicoIn.pad[0] & 2) pico_pen_y++;\r
1163 if (PicoIn.pad[0] & 4) pico_pen_x--;\r
1164 if (PicoIn.pad[0] & 8) pico_pen_x++;\r
1165 PicoIn.pad[0] &= ~0x0f; // release UDLR\r
f2cf8472 1166\r
15cc45c0 1167 /* cursor position, cursor drawing must not cross screen borders */\r
dca20eff 1168 if (pico_pen_y < PICO_PEN_ADJUST_Y)\r
1169 pico_pen_y = PICO_PEN_ADJUST_Y;\r
15cc45c0 1170 if (pico_pen_y > 223-1 - PICO_PEN_ADJUST_Y)\r
1171 pico_pen_y = 223-1 - PICO_PEN_ADJUST_Y;\r
dca20eff 1172 if (pico_pen_x < PICO_PEN_ADJUST_X)\r
1173 pico_pen_x = PICO_PEN_ADJUST_X;\r
15cc45c0 1174 if (pico_pen_x > 319-1 - PICO_PEN_ADJUST_X)\r
1175 pico_pen_x = 319-1 - PICO_PEN_ADJUST_X;\r
dca20eff 1176\r
c87e36d7 1177 PicoPicohw.pen_pos[0] &= 0x8000;\r
1178 PicoPicohw.pen_pos[1] &= 0x8000;\r
1179 PicoPicohw.pen_pos[0] |= 0x03c + pico_pen_x;\r
1180 PicoPicohw.pen_pos[1] |= (pico_inp_mode == 1 ? 0x2f8 : 0x1fc) + pico_pen_y;\r
c060a9ab 1181}\r
1182\r
93f9619e 1183static void do_turbo(unsigned short *pad, int acts)\r
f0f0d2df 1184{\r
1185 static int turbo_pad = 0;\r
1186 static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r
1187 int inc = currentConfig.turbo_rate * 2;\r
1188\r
1189 if (acts & 0x1000) {\r
1190 turbo_cnt[0] += inc;\r
1191 if (turbo_cnt[0] >= 60)\r
1192 turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r
1193 }\r
1194 if (acts & 0x2000) {\r
1195 turbo_cnt[1] += inc;\r
1196 if (turbo_cnt[1] >= 60)\r
1197 turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r
1198 }\r
1199 if (acts & 0x4000) {\r
1200 turbo_cnt[2] += inc;\r
1201 if (turbo_cnt[2] >= 60)\r
1202 turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r
1203 }\r
1204 *pad |= turbo_pad & (acts >> 8);\r
1205}\r
c060a9ab 1206\r
f2cf8472 1207static void run_events_ui(unsigned int which)\r
d34a42f9 1208{\r
1209 if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r
1210 {\r
1211 int do_it = 1;\r
cca8800d 1212 if ( emu_check_save_file(state_slot, NULL) &&\r
fcdefcf6 1213 (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r
1214 ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r
d34a42f9 1215 {\r
1216 const char *nm;\r
1217 char tmp[64];\r
1218 int keys, len;\r
1219\r
868cc0cc 1220 strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE? " : "OVERWRITE SAVE? ");\r
d34a42f9 1221 len = strlen(tmp);\r
868cc0cc 1222 nm = in_get_key_name(-1, -PBTN_MOK);\r
d34a42f9 1223 snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
1224 len = strlen(tmp);\r
1225 nm = in_get_key_name(-1, -PBTN_MBACK);\r
1226 snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
1227\r
1228 plat_status_msg_busy_first(tmp);\r
1229\r
45285368 1230 in_set_config_int(0, IN_CFG_BLOCKING, 1);\r
868cc0cc 1231 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))\r
d34a42f9 1232 ;\r
868cc0cc 1233 while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MOK | PBTN_MBACK)))\r
d34a42f9 1234 ;\r
1235 if (keys & PBTN_MBACK)\r
1236 do_it = 0;\r
868cc0cc 1237 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK | PBTN_MBACK))\r
d34a42f9 1238 ;\r
45285368 1239 in_set_config_int(0, IN_CFG_BLOCKING, 0);\r
758abbeb 1240 plat_status_msg_clear();\r
d34a42f9 1241 }\r
1242 if (do_it) {\r
54646a39 1243 plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r
d34a42f9 1244 PicoStateProgressCB = plat_status_msg_busy_next;\r
a47dd663 1245 emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r
d34a42f9 1246 PicoStateProgressCB = NULL;\r
1247 }\r
1248 }\r
5a681086 1249 if (which & PEV_SWITCH_RND)\r
d34a42f9 1250 {\r
5a681086 1251 plat_video_toggle_renderer(1, 0);\r
d34a42f9 1252 }\r
1253 if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r
1254 {\r
1255 if (which & PEV_SSLOT_PREV) {\r
1256 state_slot -= 1;\r
1257 if (state_slot < 0)\r
1258 state_slot = 9;\r
1259 } else {\r
1260 state_slot += 1;\r
1261 if (state_slot > 9)\r
1262 state_slot = 0;\r
1263 }\r
1264\r
b24e0f6c 1265 emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r
cca8800d 1266 emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");\r
d34a42f9 1267 }\r
9db6a544 1268 if (which & PEV_RESET)\r
1269 emu_reset_game();\r
d34a42f9 1270 if (which & PEV_MENU)\r
1271 engineState = PGS_Menu;\r
1272}\r
1273\r
1274void emu_update_input(void)\r
1275{\r
093b8a42 1276 static int prev_events = 0;\r
1277 int actions[IN_BINDTYPE_COUNT] = { 0, };\r
1d5885dd 1278 int pl_actions[4];\r
093b8a42 1279 int events;\r
d34a42f9 1280\r
093b8a42 1281 in_update(actions);\r
d34a42f9 1282\r
093b8a42 1283 pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r
1284 pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r
1d5885dd 1285 pl_actions[2] = actions[IN_BINDTYPE_PLAYER34];\r
1286 pl_actions[3] = actions[IN_BINDTYPE_PLAYER34] >> 16;\r
d34a42f9 1287\r
93f9619e 1288 PicoIn.pad[0] = pl_actions[0] & 0xfff;\r
1289 PicoIn.pad[1] = pl_actions[1] & 0xfff;\r
1d5885dd 1290 PicoIn.pad[2] = pl_actions[2] & 0xfff;\r
1291 PicoIn.pad[3] = pl_actions[3] & 0xfff;\r
d34a42f9 1292\r
093b8a42 1293 if (pl_actions[0] & 0x7000)\r
93f9619e 1294 do_turbo(&PicoIn.pad[0], pl_actions[0]);\r
093b8a42 1295 if (pl_actions[1] & 0x7000)\r
93f9619e 1296 do_turbo(&PicoIn.pad[1], pl_actions[1]);\r
1d5885dd 1297 if (pl_actions[2] & 0x7000)\r
1298 do_turbo(&PicoIn.pad[2], pl_actions[2]);\r
1299 if (pl_actions[3] & 0x7000)\r
1300 do_turbo(&PicoIn.pad[3], pl_actions[3]);\r
093b8a42 1301\r
1302 events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1303\r
1304 // volume is treated in special way and triggered every frame\r
1305 if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r
1306 plat_update_volume(1, events & PEV_VOL_UP);\r
1307\r
093b8a42 1308 if ((events ^ prev_events) & PEV_FF) {\r
a47dd663 1309 emu_set_fastforward(events & PEV_FF);\r
d34a42f9 1310 plat_update_volume(0, 0);\r
f2cf8472 1311 reset_timing = 1;\r
d34a42f9 1312 }\r
1313\r
093b8a42 1314 events &= ~prev_events;\r
d34a42f9 1315\r
93f9619e 1316 if (PicoIn.AHW == PAHW_PICO)\r
f2cf8472 1317 run_events_pico(events);\r
d34a42f9 1318 if (events)\r
f2cf8472 1319 run_events_ui(events);\r
d34a42f9 1320 if (movie_data)\r
1321 update_movie();\r
1322\r
093b8a42 1323 prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r
d34a42f9 1324}\r
1325\r
f2cf8472 1326static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r
1327{\r
1328 strcpy(path_with_reserve + pos, name);\r
1329 if (plat_is_dir(path_with_reserve))\r
1330 return;\r
9b4c95a9 1331 if (mkdir(path_with_reserve, 0755) < 0)\r
f2cf8472 1332 lprintf("failed to create: %s\n", path_with_reserve);\r
1333}\r
1334\r
832faed3 1335void emu_cmn_forced_frame(int no_scale, int do_emu, void *buf)\r
a4edca53 1336{\r
93f9619e 1337 int po_old = PicoIn.opt;\r
9cdfc191 1338 int y;\r
a4edca53 1339\r
9cdfc191 1340 for (y = 0; y < g_screen_height; y++)\r
1341 memset32((short *)g_screen_ptr + g_screen_ppitch * y, 0,\r
1342 g_screen_width * 2 / 4);\r
a4edca53 1343\r
d5d17782 1344 PicoIn.opt &= ~(POPT_ALT_RENDERER|POPT_EN_SOFTSCALE);\r
93f9619e 1345 PicoIn.opt |= POPT_ACC_SPRITES;\r
13e22071 1346 if (!no_scale && currentConfig.scaling)\r
93f9619e 1347 PicoIn.opt |= POPT_EN_SOFTSCALE;\r
a4edca53 1348\r
1349 PicoDrawSetOutFormat(PDF_RGB555, 1);\r
832faed3 1350 PicoDrawSetOutBuf(buf, g_screen_ppitch * 2);\r
a4edca53 1351 Pico.m.dirtyPal = 1;\r
1352 if (do_emu)\r
1353 PicoFrame();\r
1354 else\r
1355 PicoFrameDrawOnly();\r
1356\r
93f9619e 1357 PicoIn.opt = po_old;\r
a4edca53 1358}\r
1359\r
f2cf8472 1360void emu_init(void)\r
1361{\r
27701801 1362 char path[512];\r
f2cf8472 1363 int pos;\r
1364\r
83ff19ec 1365#if 0\r
1366 // FIXME: handle through menu, etc\r
1367 FILE *f;\r
1368 f = fopen("32X_M_BIOS.BIN", "rb");\r
1369 p32x_bios_m = malloc(2048);\r
1370 fread(p32x_bios_m, 1, 2048, f);\r
1371 fclose(f);\r
1372 f = fopen("32X_S_BIOS.BIN", "rb");\r
1373 p32x_bios_s = malloc(1024);\r
1374 fread(p32x_bios_s, 1, 1024, f);\r
1375 fclose(f);\r
1376#endif\r
1377\r
f2cf8472 1378 /* make dirs for saves */\r
27701801 1379 pos = plat_get_root_dir(path, sizeof(path) - 4);\r
1380 mkdir_path(path, pos, "mds");\r
1381 mkdir_path(path, pos, "srm");\r
1382 mkdir_path(path, pos, "brm");\r
504e2f56 1383 mkdir_path(path, pos, "cfg");\r
27701801 1384\r
f6c49d38 1385 pprof_init();\r
1386\r
27701801 1387 make_config_cfg(path);\r
1388 config_readlrom(path);\r
f2cf8472 1389\r
1390 PicoInit();\r
6311a3ba 1391 PicoIn.osdMessage = plat_status_msg_busy_next;\r
1392 PicoIn.mcdTrayOpen = emu_tray_open;\r
1393 PicoIn.mcdTrayClose = emu_tray_close;\r
df92fbd1 1394\r
1395 sndout_init();\r
f2cf8472 1396}\r
1397\r
1398void emu_finish(void)\r
1399{\r
1400 // save SRAM\r
88fd63ad 1401 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {\r
a47dd663 1402 emu_save_load_game(0, 1);\r
88fd63ad 1403 Pico.sv.changed = 0;\r
f2cf8472 1404 }\r
1405\r
27701801 1406 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r
1407 char cfg[512];\r
1408 make_config_cfg(cfg);\r
1409 config_writelrom(cfg);\r
9c9cda8c 1410#ifdef __GP2X__\r
27701801 1411 sync();\r
1412#endif\r
1413 }\r
f2cf8472 1414\r
f6c49d38 1415 pprof_finish();\r
1416\r
f2cf8472 1417 PicoExit();\r
df92fbd1 1418 sndout_exit();\r
1419}\r
1420\r
1421static void snd_write_nonblocking(int len)\r
1422{\r
6311a3ba 1423 sndout_write_nb(PicoIn.sndOut, len);\r
df92fbd1 1424}\r
1425\r
1426void emu_sound_start(void)\r
1427{\r
6311a3ba 1428 PicoIn.sndOut = NULL;\r
df92fbd1 1429\r
882f697a 1430 // auto-select rate?\r
a990d9c4 1431 if (PicoIn.sndRate > 52000 && PicoIn.sndRate < 54000)\r
882f697a 1432 PicoIn.sndRate = YM2612_NATIVE_RATE();\r
df92fbd1 1433 if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
1434 {\r
93f9619e 1435 int is_stereo = (PicoIn.opt & POPT_EN_STEREO) ? 1 : 0;\r
df92fbd1 1436\r
e28fd20f 1437 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1438 PicoIn.sndOut = sndBuffer;\r
df92fbd1 1439 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
1440\r
1441 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r
6311a3ba 1442 PicoIn.sndRate, Pico.snd.len, is_stereo, Pico.m.pal);\r
e28fd20f 1443\r
6311a3ba 1444 sndout_start(PicoIn.sndRate, is_stereo);\r
1445 PicoIn.writeSound = snd_write_nonblocking;\r
df92fbd1 1446 plat_update_volume(0, 0);\r
df92fbd1 1447 }\r
1448}\r
1449\r
1450void emu_sound_stop(void)\r
1451{\r
1452 sndout_stop();\r
1453}\r
1454\r
1455void emu_sound_wait(void)\r
1456{\r
1457 sndout_wait();\r
f2cf8472 1458}\r
1459\r
d4d62665 1460static void emu_loop_prep(void)\r
1461{\r
1462 static int pal_old = -1;\r
1463 static int filter_old = -1;\r
1464\r
1465 if (currentConfig.CPUclock != plat_target_cpu_clock_get())\r
1466 plat_target_cpu_clock_set(currentConfig.CPUclock);\r
1467\r
1468 if (Pico.m.pal != pal_old) {\r
1469 plat_target_lcdrate_set(Pico.m.pal);\r
1470 pal_old = Pico.m.pal;\r
1471 }\r
1472\r
1473 if (currentConfig.filter != filter_old) {\r
1474 plat_target_hwfilter_set(currentConfig.filter);\r
1475 filter_old = currentConfig.filter;\r
1476 }\r
1477\r
1478 plat_target_gamma_set(currentConfig.gamma, 0);\r
1479\r
1480 pemu_loop_prep();\r
1481}\r
1482\r
b24e0f6c 1483/* our tick here is 1 us right now */\r
b4bc2624 1484#define ms_to_ticks(x) (int)(x * 1000)\r
1485#define get_ticks() plat_get_ticks_us()\r
1486#define vsync_delay ms_to_ticks(1)\r
b24e0f6c 1487\r
1488void emu_loop(void)\r
1489{\r
b24e0f6c 1490 int frames_done, frames_shown; /* actual frames for fps counter */\r
b4bc2624 1491 int target_frametime;\r
1492 unsigned int timestamp = 0;\r
1493 unsigned int timestamp_aim = 0;\r
1494 unsigned int timestamp_fps = 0;\r
b24e0f6c 1495 char *notice_msg = NULL;\r
1496 char fpsbuff[24];\r
b59172e3 1497 int fskip_cnt = 0;\r
b24e0f6c 1498\r
1499 fpsbuff[0] = 0;\r
1500\r
46bcb899 1501 PicoLoopPrepare();\r
1502\r
636d5f25 1503 plat_video_loop_prepare();\r
d4d62665 1504 emu_loop_prep();\r
df92fbd1 1505 pemu_sound_start();\r
46bcb899 1506\r
b24e0f6c 1507 /* number of ticks per frame */\r
b59172e3 1508 if (Pico.m.pal)\r
b4bc2624 1509 target_frametime = ms_to_ticks(1000) / 50;\r
b59172e3 1510 else\r
b4bc2624 1511 target_frametime = ms_to_ticks(1000) / 60;\r
b24e0f6c 1512\r
b24e0f6c 1513 reset_timing = 1;\r
b59172e3 1514 frames_done = frames_shown = 0;\r
7b436906 1515\r
b24e0f6c 1516 /* loop with resync every 1 sec. */\r
1517 while (engineState == PGS_Running)\r
1518 {\r
b59172e3 1519 int skip = 0;\r
1520 int diff;\r
b24e0f6c 1521\r
f6c49d38 1522 pprof_start(main);\r
1523\r
b24e0f6c 1524 if (reset_timing) {\r
1525 reset_timing = 0;\r
b59172e3 1526 plat_video_wait_vsync();\r
b4bc2624 1527 timestamp_aim = get_ticks();\r
1528 timestamp_fps = timestamp_aim;\r
b59172e3 1529 fskip_cnt = 0;\r
1530 }\r
1531 else if (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) {\r
b4bc2624 1532 timestamp_aim = get_ticks();\r
b24e0f6c 1533 }\r
1534\r
b4bc2624 1535 timestamp = get_ticks();\r
b59172e3 1536\r
b24e0f6c 1537 // show notice_msg message?\r
1538 if (notice_msg_time != 0)\r
1539 {\r
1540 static int noticeMsgSum;\r
b4bc2624 1541 if (timestamp - ms_to_ticks(notice_msg_time)\r
1542 > ms_to_ticks(STATUS_MSG_TIMEOUT))\r
b59172e3 1543 {\r
b24e0f6c 1544 notice_msg_time = 0;\r
b24e0f6c 1545 notice_msg = NULL;\r
758abbeb 1546 plat_status_msg_clear();\r
b59172e3 1547 }\r
1548 else {\r
b24e0f6c 1549 int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r
1550 if (sum != noticeMsgSum) {\r
1551 plat_status_msg_clear();\r
1552 noticeMsgSum = sum;\r
1553 }\r
1554 notice_msg = noticeMsg;\r
1555 }\r
1556 }\r
1557\r
b24e0f6c 1558 // second changed?\r
b4bc2624 1559 if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r
b24e0f6c 1560 {\r
1561#ifdef BENCHMARK\r
1562 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1563 if (++bench == 10) {\r
1564 bench = 0;\r
1565 bench_fps_s = bench_fps;\r
1566 bf[bfp++ & 3] = bench_fps;\r
1567 bench_fps = 0;\r
1568 }\r
1569 bench_fps += frames_shown;\r
1570 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
07e5dbab 1571 printf("%s\n", fpsbuff);\r
b24e0f6c 1572#else\r
b011c2af 1573 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
88a80885 1574 snprintf(fpsbuff, 8, "%02i/%02i ", frames_shown, frames_done);\r
b24e0f6c 1575#endif\r
1576 frames_shown = frames_done = 0;\r
b4bc2624 1577 timestamp_fps += ms_to_ticks(1000);\r
b24e0f6c 1578 }\r
1579#ifdef PFRAMES\r
1580 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1581#endif\r
1582\r
b4bc2624 1583 diff = timestamp_aim - timestamp;\r
b24e0f6c 1584\r
b59172e3 1585 if (currentConfig.Frameskip >= 0) // frameskip enabled (or 0)\r
b24e0f6c 1586 {\r
b59172e3 1587 if (fskip_cnt < currentConfig.Frameskip) {\r
1588 fskip_cnt++;\r
1589 skip = 1;\r
1590 }\r
1591 else {\r
1592 fskip_cnt = 0;\r
b24e0f6c 1593 }\r
1594 }\r
b4bc2624 1595 else if (diff < -target_frametime)\r
b24e0f6c 1596 {\r
1597 /* no time left for this frame - skip */\r
e7ee7bc0 1598 /* limit auto frameskip to max_skip */\r
1599 if (fskip_cnt < currentConfig.max_skip) {\r
1600 fskip_cnt++;\r
b59172e3 1601 skip = 1;\r
e7ee7bc0 1602 }\r
1603 else {\r
1604 fskip_cnt = 0;\r
1605 }\r
1606 } else\r
1607 fskip_cnt = 0;\r
b59172e3 1608\r
1609 // don't go in debt too much\r
b4bc2624 1610 while (diff < -target_frametime * 3) {\r
1611 timestamp_aim += target_frametime;\r
1612 diff = timestamp_aim - timestamp;\r
b24e0f6c 1613 }\r
1614\r
1615 emu_update_input();\r
b59172e3 1616 if (skip) {\r
b4bc2624 1617 int do_audio = diff > -target_frametime * 2;\r
93f9619e 1618 PicoIn.skipFrame = do_audio ? 1 : 2;\r
b59172e3 1619 PicoFrame();\r
93f9619e 1620 PicoIn.skipFrame = 0;\r
b59172e3 1621 }\r
1622 else {\r
1623 PicoFrame();\r
1624 pemu_finalize_frame(fpsbuff, notice_msg);\r
1625 frames_shown++;\r
1626 }\r
1627 frames_done++;\r
b4bc2624 1628 timestamp_aim += target_frametime;\r
d08e7326 1629\r
b59172e3 1630 if (!skip && !flip_after_sync)\r
b7d64dbd 1631 plat_video_flip();\r
b24e0f6c 1632\r
1633 /* frame limiter */\r
b59172e3 1634 if (!skip && !reset_timing\r
1635 && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r
b24e0f6c 1636 {\r
b59172e3 1637 unsigned int timestamp = get_ticks();\r
b4bc2624 1638 diff = timestamp_aim - timestamp;\r
b24e0f6c 1639\r
1640 // sleep or vsync if we are still too fast\r
b4bc2624 1641 if (diff > target_frametime + vsync_delay && (currentConfig.EmuOpt & EOPT_VSYNC)) {\r
b24e0f6c 1642 // we are too fast\r
b59172e3 1643 plat_video_wait_vsync();\r
1644 timestamp = get_ticks();\r
b4bc2624 1645 diff = timestamp_aim - timestamp;\r
b59172e3 1646 }\r
b4bc2624 1647 if (diff > target_frametime + vsync_delay) {\r
b59172e3 1648 // still too fast\r
b4bc2624 1649 plat_wait_till_us(timestamp + (diff - target_frametime));\r
b24e0f6c 1650 }\r
1651 }\r
1652\r
b59172e3 1653 if (!skip && flip_after_sync)\r
b7d64dbd 1654 plat_video_flip();\r
b24e0f6c 1655\r
f6c49d38 1656 pprof_end(main);\r
b24e0f6c 1657 }\r
1658\r
1659 emu_set_fastforward(0);\r
1660\r
b24e0f6c 1661 // save SRAM\r
88fd63ad 1662 if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && Pico.sv.changed) {\r
b24e0f6c 1663 plat_status_msg_busy_first("Writing SRAM/BRAM...");\r
1664 emu_save_load_game(0, 1);\r
88fd63ad 1665 Pico.sv.changed = 0;\r
b24e0f6c 1666 }\r
1667\r
b24e0f6c 1668 pemu_loop_end();\r
df92fbd1 1669 emu_sound_stop();\r
b24e0f6c 1670}\r
fast MegaDrive/MegaCD/32X emulator