85bd209c |
1 | // (c) Copyright 2006-2009 notaz, All rights reserved.\r |
f013066e |
2 | // Free for non-commercial use.\r |
3 | \r |
4 | // For commercial use, separate licencing terms must be obtained.\r |
5 | \r |
6 | #include <stdio.h>\r |
7 | #include <stdlib.h>\r |
b5bfb864 |
8 | #include <stdarg.h>\r |
f013066e |
9 | #ifndef NO_SYNC\r |
10 | #include <unistd.h>\r |
11 | #endif\r |
12 | \r |
13 | #include "emu.h"\r |
14 | #include "menu.h"\r |
15 | #include "fonts.h"\r |
16 | #include "lprintf.h"\r |
0ae25549 |
17 | #include "config.h"\r |
049a6b3e |
18 | #include "plat.h"\r |
388947f3 |
19 | #include "input.h"\r |
93c18cb4 |
20 | #include "posix.h"\r |
f013066e |
21 | \r |
f11bad75 |
22 | #include <pico/pico_int.h>\r |
23 | #include <pico/patch.h>\r |
24 | #include <pico/cd/cue.h>\r |
f013066e |
25 | \r |
f013066e |
26 | \r |
22b2271a |
27 | #define STATUS_MSG_TIMEOUT 2000\r |
28 | \r |
e31266dd |
29 | void *g_screen_ptr;\r |
30 | \r |
31 | #if !SCREEN_SIZE_FIXED\r |
32 | int g_screen_width = SCREEN_WIDTH;\r |
33 | int g_screen_height = SCREEN_HEIGHT;\r |
34 | #endif\r |
35 | \r |
3e85ebdd |
36 | char *PicoConfigFile = "config.cfg";\r |
0ae25549 |
37 | currentConfig_t currentConfig, defaultConfig;\r |
f013066e |
38 | int state_slot = 0;\r |
39 | int config_slot = 0, config_slot_current = 0;\r |
93c18cb4 |
40 | int pico_pen_x = 320/2, pico_pen_y = 240/2;\r |
8a091e48 |
41 | int pico_inp_mode = 0;\r |
049a6b3e |
42 | int engineState = PGS_Menu;\r |
43 | \r |
44 | /* TODO: len checking */\r |
45 | char rom_fname_reload[512] = { 0, };\r |
46 | char rom_fname_loaded[512] = { 0, };\r |
47 | int rom_loaded = 0;\r |
93c18cb4 |
48 | int reset_timing = 0;\r |
b5bfb864 |
49 | static unsigned int notice_msg_time; /* when started showing */\r |
50 | static char noticeMsg[40];\r |
f013066e |
51 | \r |
52 | unsigned char *movie_data = NULL;\r |
53 | static int movie_size = 0;\r |
54 | \r |
f013066e |
55 | \r |
fa8d1331 |
56 | /* don't use tolower() for easy old glibc binary compatibility */\r |
61f66fe0 |
57 | static void strlwr_(char *string)\r |
f013066e |
58 | {\r |
61f66fe0 |
59 | char *p;\r |
60 | for (p = string; *p; p++)\r |
fa8d1331 |
61 | if ('A' <= *p && *p <= 'Z')\r |
62 | *p += 'a' - 'A';\r |
f013066e |
63 | }\r |
64 | \r |
36f6fd5a |
65 | static int try_rfn_cut(char *fname)\r |
f013066e |
66 | {\r |
67 | FILE *tmp;\r |
68 | char *p;\r |
69 | \r |
36f6fd5a |
70 | p = fname + strlen(fname) - 1;\r |
71 | for (; p > fname; p--)\r |
f013066e |
72 | if (*p == '.') break;\r |
73 | *p = 0;\r |
74 | \r |
36f6fd5a |
75 | if((tmp = fopen(fname, "rb"))) {\r |
f013066e |
76 | fclose(tmp);\r |
77 | return 1;\r |
78 | }\r |
79 | return 0;\r |
80 | }\r |
81 | \r |
6b8796e2 |
82 | static void get_ext(const char *file, char *ext)\r |
f013066e |
83 | {\r |
6b8796e2 |
84 | const char *p;\r |
f013066e |
85 | \r |
86 | p = file + strlen(file) - 4;\r |
87 | if (p < file) p = file;\r |
88 | strncpy(ext, p, 4);\r |
89 | ext[4] = 0;\r |
90 | strlwr_(ext);\r |
91 | }\r |
92 | \r |
b5bfb864 |
93 | void emu_status_msg(const char *format, ...)\r |
94 | {\r |
95 | va_list vl;\r |
22b2271a |
96 | int ret;\r |
b5bfb864 |
97 | \r |
98 | va_start(vl, format);\r |
22b2271a |
99 | ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r |
b5bfb864 |
100 | va_end(vl);\r |
101 | \r |
22b2271a |
102 | /* be sure old text gets overwritten */\r |
103 | for (; ret < 28; ret++)\r |
104 | noticeMsg[ret] = ' ';\r |
105 | noticeMsg[ret] = 0;\r |
106 | \r |
b5bfb864 |
107 | notice_msg_time = plat_get_ticks_ms();\r |
108 | }\r |
109 | \r |
22b2271a |
110 | static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r |
111 | static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r |
112 | static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r |
f013066e |
113 | \r |
ee0f881e |
114 | static int find_bios(int region, char **bios_file)\r |
f013066e |
115 | {\r |
116 | static char bios_path[1024];\r |
117 | int i, count;\r |
22b2271a |
118 | const char * const *files;\r |
f013066e |
119 | FILE *f = NULL;\r |
120 | \r |
121 | if (region == 4) { // US\r |
122 | files = biosfiles_us;\r |
123 | count = sizeof(biosfiles_us) / sizeof(char *);\r |
124 | } else if (region == 8) { // EU\r |
125 | files = biosfiles_eu;\r |
126 | count = sizeof(biosfiles_eu) / sizeof(char *);\r |
127 | } else if (region == 1 || region == 2) {\r |
128 | files = biosfiles_jp;\r |
129 | count = sizeof(biosfiles_jp) / sizeof(char *);\r |
130 | } else {\r |
131 | return 0;\r |
132 | }\r |
133 | \r |
134 | for (i = 0; i < count; i++)\r |
135 | {\r |
45deb409 |
136 | emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);\r |
f013066e |
137 | strcat(bios_path, ".bin");\r |
138 | f = fopen(bios_path, "rb");\r |
139 | if (f) break;\r |
140 | \r |
141 | bios_path[strlen(bios_path) - 4] = 0;\r |
142 | strcat(bios_path, ".zip");\r |
143 | f = fopen(bios_path, "rb");\r |
144 | if (f) break;\r |
145 | }\r |
146 | \r |
147 | if (f) {\r |
148 | lprintf("using bios: %s\n", bios_path);\r |
149 | fclose(f);\r |
150 | if (bios_file) *bios_file = bios_path;\r |
151 | return 1;\r |
152 | } else {\r |
3ffee69c |
153 | sprintf(bios_path, "no %s BIOS files found, read docs",\r |
f013066e |
154 | region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
3ffee69c |
155 | me_update_msg(bios_path);\r |
f013066e |
156 | return 0;\r |
157 | }\r |
158 | }\r |
159 | \r |
c6334564 |
160 | /* check if the name begins with BIOS name */\r |
367b6f1f |
161 | /*\r |
c6334564 |
162 | static int emu_isBios(const char *name)\r |
163 | {\r |
164 | int i;\r |
165 | for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r |
166 | if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r |
167 | for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r |
168 | if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r |
169 | for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r |
170 | if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r |
171 | return 0;\r |
172 | }\r |
367b6f1f |
173 | */\r |
c6334564 |
174 | \r |
367b6f1f |
175 | static unsigned char id_header[0x100];\r |
0ae25549 |
176 | \r |
2f3ca016 |
177 | /* checks if fname points to valid MegaCD image */\r |
6b8796e2 |
178 | static int emu_cd_check(int *pregion, const char *fname_in)\r |
f013066e |
179 | {\r |
6b8796e2 |
180 | const char *fname = fname_in;\r |
f013066e |
181 | unsigned char buf[32];\r |
182 | pm_file *cd_f;\r |
9fe01b96 |
183 | int region = 4; // 1: Japan, 4: US, 8: Europe\r |
6b8796e2 |
184 | char ext[5];\r |
9fe01b96 |
185 | cue_track_type type = CT_UNKNOWN;\r |
186 | cue_data_t *cue_data = NULL;\r |
1ceda417 |
187 | \r |
36f6fd5a |
188 | get_ext(fname_in, ext);\r |
9fe01b96 |
189 | if (strcasecmp(ext, ".cue") == 0) {\r |
36f6fd5a |
190 | cue_data = cue_parse(fname_in);\r |
9fe01b96 |
191 | if (cue_data != NULL) {\r |
192 | fname = cue_data->tracks[1].fname;\r |
193 | type = cue_data->tracks[1].type;\r |
194 | }\r |
e9a13365 |
195 | else\r |
196 | return -1;\r |
9fe01b96 |
197 | }\r |
198 | \r |
199 | cd_f = pm_open(fname);\r |
200 | if (cue_data != NULL)\r |
201 | cue_destroy(cue_data);\r |
f013066e |
202 | \r |
e9a13365 |
203 | if (cd_f == NULL) return 0; // let the upper level handle this\r |
f013066e |
204 | \r |
205 | if (pm_read(buf, 32, cd_f) != 32) {\r |
206 | pm_close(cd_f);\r |
e9a13365 |
207 | return -1;\r |
f013066e |
208 | }\r |
209 | \r |
9fe01b96 |
210 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r |
211 | if (type && type != CT_ISO)\r |
212 | elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r |
213 | type = CT_ISO; // Sega CD (ISO)\r |
214 | }\r |
215 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r |
216 | if (type && type != CT_BIN)\r |
217 | elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r |
218 | type = CT_BIN; // Sega CD (BIN)\r |
219 | }\r |
220 | \r |
221 | if (type == CT_UNKNOWN) {\r |
f013066e |
222 | pm_close(cd_f);\r |
223 | return 0;\r |
224 | }\r |
225 | \r |
9fe01b96 |
226 | pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r |
367b6f1f |
227 | pm_read(id_header, sizeof(id_header), cd_f);\r |
0ae25549 |
228 | \r |
f013066e |
229 | /* it seems we have a CD image here. Try to detect region now.. */\r |
9fe01b96 |
230 | pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r |
f013066e |
231 | pm_read(buf, 1, cd_f);\r |
232 | pm_close(cd_f);\r |
233 | \r |
234 | if (buf[0] == 0x64) region = 8; // EU\r |
235 | if (buf[0] == 0xa1) region = 1; // JAP\r |
236 | \r |
237 | lprintf("detected %s Sega/Mega CD image with %s region\n",\r |
9fe01b96 |
238 | type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
f013066e |
239 | \r |
240 | if (pregion != NULL) *pregion = region;\r |
241 | \r |
242 | return type;\r |
243 | }\r |
244 | \r |
2f3ca016 |
245 | static int detect_media(const char *fname)\r |
246 | {\r |
247 | static const short sms_offsets[] = { 0x7ff0, 0x3ff0, 0x1ff0 };\r |
86c1049d |
248 | static const char *sms_exts[] = { "sms", "gg", "sg" };\r |
249 | static const char *md_exts[] = { "gen", "bin", "smd" };\r |
250 | char buff0[32], buff[32];\r |
251 | unsigned short *d16;\r |
2f3ca016 |
252 | pm_file *pmf;\r |
2f3ca016 |
253 | char ext[5];\r |
254 | int i;\r |
255 | \r |
256 | get_ext(fname, ext);\r |
257 | \r |
258 | // detect wrong extensions\r |
259 | if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) // s.gz ~ .mds.gz\r |
260 | return PM_BAD;\r |
261 | \r |
262 | /* don't believe in extensions, except .cue */\r |
263 | if (strcasecmp(ext, ".cue") == 0)\r |
264 | return PM_CD;\r |
265 | \r |
266 | pmf = pm_open(fname);\r |
267 | if (pmf == NULL)\r |
268 | return PM_BAD;\r |
269 | \r |
86c1049d |
270 | if (pm_read(buff0, 32, pmf) != 32) {\r |
2f3ca016 |
271 | pm_close(pmf);\r |
272 | return PM_BAD;\r |
273 | }\r |
274 | \r |
86c1049d |
275 | if (strncasecmp("SEGADISCSYSTEM", buff0 + 0x00, 14) == 0 ||\r |
276 | strncasecmp("SEGADISCSYSTEM", buff0 + 0x10, 14) == 0) {\r |
2f3ca016 |
277 | pm_close(pmf);\r |
278 | return PM_CD;\r |
279 | }\r |
280 | \r |
86c1049d |
281 | /* check for SMD evil */\r |
282 | if (pmf->size >= 0x4200 && (pmf->size & 0x3fff) == 0x200) {\r |
283 | if (pm_seek(pmf, sms_offsets[0] + 0x200, SEEK_SET) == sms_offsets[0] + 0x200 &&\r |
284 | pm_read(buff, 16, pmf) == 16 &&\r |
285 | strncmp("TMR SEGA", buff, 8) == 0)\r |
286 | goto looks_like_sms;\r |
287 | \r |
288 | /* could parse further but don't bother */\r |
289 | goto extension_check;\r |
290 | }\r |
291 | \r |
292 | /* MD header? Act as TMSS BIOS here */\r |
293 | if (pm_seek(pmf, 0x100, SEEK_SET) == 0x100 && pm_read(buff, 16, pmf) == 16) {\r |
294 | if (strncmp(buff, "SEGA", 4) == 0 || strncmp(buff, " SEG", 4) == 0)\r |
295 | goto looks_like_md;\r |
296 | }\r |
297 | \r |
2f3ca016 |
298 | for (i = 0; i < array_size(sms_offsets); i++) {\r |
299 | if (pm_seek(pmf, sms_offsets[i], SEEK_SET) != sms_offsets[i])\r |
86c1049d |
300 | continue;\r |
2f3ca016 |
301 | \r |
302 | if (pm_read(buff, 16, pmf) != 16)\r |
86c1049d |
303 | continue;\r |
2f3ca016 |
304 | \r |
86c1049d |
305 | if (strncmp("TMR SEGA", buff, 8) == 0)\r |
306 | goto looks_like_sms;\r |
307 | }\r |
308 | \r |
309 | extension_check:\r |
310 | /* probably some headerless thing. Maybe check the extension after all. */\r |
311 | for (i = 0; i < array_size(md_exts); i++)\r |
312 | if (strcasecmp(pmf->ext, md_exts[i]) == 0)\r |
313 | goto looks_like_md;\r |
314 | \r |
315 | for (i = 0; i < array_size(sms_exts); i++)\r |
316 | if (strcasecmp(pmf->ext, sms_exts[i]) == 0)\r |
317 | goto looks_like_sms;\r |
318 | \r |
319 | /* If everything else fails, make a guess on the reset vector */\r |
320 | d16 = (unsigned short *)(buff0 + 4);\r |
321 | if ((((d16[0] << 16) | d16[1]) & 0xffffff) >= pmf->size) {\r |
322 | lprintf("bad MD reset vector, assuming SMS\n");\r |
323 | goto looks_like_sms;\r |
2f3ca016 |
324 | }\r |
325 | \r |
86c1049d |
326 | looks_like_md:\r |
2f3ca016 |
327 | pm_close(pmf);\r |
2f3ca016 |
328 | return PM_MD_CART;\r |
86c1049d |
329 | \r |
330 | looks_like_sms:\r |
331 | pm_close(pmf);\r |
332 | return PM_MARK3;\r |
2f3ca016 |
333 | }\r |
334 | \r |
ff63afa1 |
335 | static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r |
0ae25549 |
336 | {\r |
337 | char *p = dest;\r |
338 | int i;\r |
339 | \r |
340 | if (swab) swab = 1;\r |
341 | \r |
342 | for (i = len - 1; i >= 0; i--)\r |
343 | {\r |
344 | if (src[i^swab] != ' ') break;\r |
345 | }\r |
346 | len = i + 1;\r |
347 | \r |
348 | for (i = 0; i < len; i++)\r |
349 | {\r |
350 | unsigned char s = src[i^swab];\r |
351 | if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r |
352 | s != '[' && s != ']' && s != '\\')\r |
353 | {\r |
354 | *p++ = s;\r |
355 | }\r |
356 | else\r |
357 | {\r |
358 | sprintf(p, "\\%02x", s);\r |
359 | p += 3;\r |
360 | }\r |
361 | }\r |
362 | \r |
363 | return p - dest;\r |
364 | }\r |
365 | \r |
ee0f881e |
366 | static char *emu_make_rom_id(void)\r |
0ae25549 |
367 | {\r |
36f6fd5a |
368 | static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r |
8e708f92 |
369 | int pos, swab = 1;\r |
0ae25549 |
370 | \r |
dd5fd477 |
371 | if (PicoAHW & PAHW_MCD) {\r |
8e708f92 |
372 | strcpy(id_string, "CD|");\r |
373 | swab = 0;\r |
374 | }\r |
367b6f1f |
375 | else strcpy(id_string, "MD|");\r |
0ae25549 |
376 | pos = 3;\r |
377 | \r |
8e708f92 |
378 | pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r |
0ae25549 |
379 | id_string[pos] = '|'; pos++;\r |
8e708f92 |
380 | pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r |
0ae25549 |
381 | id_string[pos] = '|'; pos++;\r |
8e708f92 |
382 | pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r |
0ae25549 |
383 | id_string[pos] = 0;\r |
384 | \r |
0ae25549 |
385 | return id_string;\r |
386 | }\r |
387 | \r |
36f6fd5a |
388 | // buffer must be at least 150 byte long\r |
ee0f881e |
389 | void emu_get_game_name(char *str150)\r |
36f6fd5a |
390 | {\r |
391 | int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r |
392 | char *s, *d;\r |
393 | \r |
394 | ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r |
395 | \r |
396 | for (s = d = str150 + 1; s < str150+ret; s++)\r |
397 | {\r |
398 | if (*s == 0) break;\r |
399 | if (*s != ' ' || d[-1] != ' ')\r |
400 | *d++ = *s;\r |
401 | }\r |
402 | *d = 0;\r |
403 | }\r |
404 | \r |
ee0f881e |
405 | static void shutdown_MCD(void)\r |
406 | {\r |
407 | if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r |
408 | Stop_CD();\r |
409 | PicoAHW &= ~PAHW_MCD;\r |
410 | }\r |
411 | \r |
36f6fd5a |
412 | // note: this function might mangle rom_fname\r |
2f3ca016 |
413 | // XXX: portions of this code should move to pico/\r |
ee0f881e |
414 | int emu_reload_rom(char *rom_fname)\r |
f013066e |
415 | {\r |
416 | unsigned int rom_size = 0;\r |
36f6fd5a |
417 | char *used_rom_name = rom_fname;\r |
144a28a0 |
418 | unsigned char *rom_data = NULL;\r |
f013066e |
419 | char ext[5];\r |
e9a13365 |
420 | pm_file *rom = NULL;\r |
2f3ca016 |
421 | int cd_state = CIT_NOT_CD;\r |
422 | int ret, media_type, cd_region;\r |
423 | int cfg_loaded = 0, bad_rom = 0;\r |
f013066e |
424 | \r |
36f6fd5a |
425 | lprintf("emu_ReloadRom(%s)\n", rom_fname);\r |
f013066e |
426 | \r |
36f6fd5a |
427 | get_ext(rom_fname, ext);\r |
f013066e |
428 | \r |
f013066e |
429 | // check for movie file\r |
144a28a0 |
430 | if (movie_data) {\r |
f013066e |
431 | free(movie_data);\r |
432 | movie_data = 0;\r |
433 | }\r |
88bfc63d |
434 | if (!strcmp(ext, ".gmv"))\r |
435 | {\r |
f013066e |
436 | // check for both gmv and rom\r |
437 | int dummy;\r |
36f6fd5a |
438 | FILE *movie_file = fopen(rom_fname, "rb");\r |
f013066e |
439 | if(!movie_file) {\r |
3ffee69c |
440 | me_update_msg("Failed to open movie.");\r |
f013066e |
441 | return 0;\r |
442 | }\r |
443 | fseek(movie_file, 0, SEEK_END);\r |
444 | movie_size = ftell(movie_file);\r |
445 | fseek(movie_file, 0, SEEK_SET);\r |
446 | if(movie_size < 64+3) {\r |
3ffee69c |
447 | me_update_msg("Invalid GMV file.");\r |
f013066e |
448 | fclose(movie_file);\r |
449 | return 0;\r |
450 | }\r |
451 | movie_data = malloc(movie_size);\r |
452 | if(movie_data == NULL) {\r |
3ffee69c |
453 | me_update_msg("low memory.");\r |
f013066e |
454 | fclose(movie_file);\r |
455 | return 0;\r |
456 | }\r |
457 | fread(movie_data, 1, movie_size, movie_file);\r |
458 | fclose(movie_file);\r |
459 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
3ffee69c |
460 | me_update_msg("Invalid GMV file.");\r |
f013066e |
461 | return 0;\r |
462 | }\r |
36f6fd5a |
463 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
f013066e |
464 | if (!dummy) {\r |
3ffee69c |
465 | me_update_msg("Could't find a ROM for movie.");\r |
f013066e |
466 | return 0;\r |
467 | }\r |
36f6fd5a |
468 | get_ext(rom_fname, ext);\r |
61f66fe0 |
469 | lprintf("gmv loaded for %s\n", rom_fname);\r |
f013066e |
470 | }\r |
36f6fd5a |
471 | else if (!strcmp(ext, ".pat"))\r |
472 | {\r |
f013066e |
473 | int dummy;\r |
36f6fd5a |
474 | PicoPatchLoad(rom_fname);\r |
475 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
f013066e |
476 | if (!dummy) {\r |
3ffee69c |
477 | me_update_msg("Could't find a ROM to patch.");\r |
f013066e |
478 | return 0;\r |
479 | }\r |
36f6fd5a |
480 | get_ext(rom_fname, ext);\r |
f013066e |
481 | }\r |
482 | \r |
2f3ca016 |
483 | media_type = detect_media(rom_fname);\r |
484 | if (media_type == PM_BAD) {\r |
485 | me_update_msg("Not a ROM/CD img selected.");\r |
486 | return 0;\r |
487 | }\r |
488 | \r |
ee0f881e |
489 | shutdown_MCD();\r |
2f3ca016 |
490 | PicoPatchUnload();\r |
86c1049d |
491 | PicoAHW = 0;\r |
f013066e |
492 | \r |
2f3ca016 |
493 | if (media_type == PM_CD)\r |
f013066e |
494 | {\r |
2f3ca016 |
495 | // check for MegaCD image\r |
496 | cd_state = emu_cd_check(&cd_region, rom_fname);\r |
497 | if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r |
498 | {\r |
499 | // valid CD image, check for BIOS..\r |
f013066e |
500 | \r |
2f3ca016 |
501 | // we need to have config loaded at this point\r |
502 | ret = emu_read_config(1, 0);\r |
503 | if (!ret) emu_read_config(0, 0);\r |
504 | cfg_loaded = 1;\r |
f013066e |
505 | \r |
2f3ca016 |
506 | if (PicoRegionOverride) {\r |
507 | cd_region = PicoRegionOverride;\r |
508 | lprintf("override region to %s\n", cd_region != 4 ?\r |
509 | (cd_region == 8 ? "EU" : "JAP") : "USA");\r |
510 | }\r |
511 | if (!find_bios(cd_region, &used_rom_name))\r |
512 | return 0;\r |
513 | \r |
514 | get_ext(used_rom_name, ext);\r |
515 | PicoAHW |= PAHW_MCD;\r |
f013066e |
516 | }\r |
2f3ca016 |
517 | else {\r |
518 | me_update_msg("Invalid CD image");\r |
f013066e |
519 | return 0;\r |
520 | }\r |
f013066e |
521 | }\r |
2f3ca016 |
522 | else if (media_type == PM_MARK3) {\r |
523 | lprintf("detected SMS ROM\n");\r |
524 | PicoAHW = PAHW_SMS;\r |
f013066e |
525 | }\r |
526 | \r |
527 | rom = pm_open(used_rom_name);\r |
2f3ca016 |
528 | if (rom == NULL) {\r |
529 | me_update_msg("Failed to open ROM");\r |
530 | return 0;\r |
f013066e |
531 | }\r |
532 | \r |
a6df06b7 |
533 | menu_romload_prepare(used_rom_name); // also CD load\r |
f013066e |
534 | \r |
144a28a0 |
535 | PicoCartUnload();\r |
536 | rom_loaded = 0;\r |
f013066e |
537 | \r |
2f3ca016 |
538 | ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0);\r |
539 | pm_close(rom);\r |
540 | if (ret != 0) {\r |
3ffee69c |
541 | if (ret == 2) me_update_msg("Out of memory");\r |
542 | else if (ret == 3) me_update_msg("Read failed");\r |
543 | else me_update_msg("PicoCartLoad() failed.");\r |
2f3ca016 |
544 | goto fail;\r |
545 | }\r |
546 | \r |
547 | // detect wrong files\r |
548 | if (strncmp((char *)rom_data, "Pico", 4) == 0)\r |
549 | bad_rom = 1;\r |
550 | else if (!(PicoAHW & PAHW_SMS)) {\r |
551 | unsigned short *d = (unsigned short *)(rom_data + 4);\r |
552 | if ((((d[0] << 16) | d[1]) & 0xffffff) >= (int)rom_size) {\r |
553 | lprintf("bad reset vector\n");\r |
554 | bad_rom = 1;\r |
555 | }\r |
f013066e |
556 | }\r |
f013066e |
557 | \r |
2f3ca016 |
558 | if (bad_rom) {\r |
559 | me_update_msg("Bad ROM detected.");\r |
560 | goto fail;\r |
f013066e |
561 | }\r |
562 | \r |
563 | // load config for this ROM (do this before insert to get correct region)\r |
dd5fd477 |
564 | if (!(PicoAHW & PAHW_MCD))\r |
367b6f1f |
565 | memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r |
f013066e |
566 | if (!cfg_loaded) {\r |
4bd165c8 |
567 | ret = emu_read_config(1, 0);\r |
568 | if (!ret) emu_read_config(0, 0);\r |
f013066e |
569 | }\r |
570 | \r |
144a28a0 |
571 | if (PicoCartInsert(rom_data, rom_size)) {\r |
3ffee69c |
572 | me_update_msg("Failed to load ROM.");\r |
2f3ca016 |
573 | goto fail;\r |
f013066e |
574 | }\r |
575 | \r |
f013066e |
576 | // insert CD if it was detected\r |
1ceda417 |
577 | if (cd_state != CIT_NOT_CD) {\r |
36f6fd5a |
578 | ret = Insert_CD(rom_fname, cd_state);\r |
f013066e |
579 | if (ret != 0) {\r |
2f3ca016 |
580 | PicoCartUnload();\r |
581 | rom_data = NULL; // freed by unload\r |
3ffee69c |
582 | me_update_msg("Insert_CD() failed, invalid CD image?");\r |
2f3ca016 |
583 | goto fail;\r |
f013066e |
584 | }\r |
585 | }\r |
586 | \r |
a6df06b7 |
587 | menu_romload_end();\r |
588 | \r |
f013066e |
589 | if (PicoPatches) {\r |
590 | PicoPatchPrepare();\r |
591 | PicoPatchApply();\r |
592 | }\r |
593 | \r |
594 | // additional movie stuff\r |
e9a13365 |
595 | if (movie_data)\r |
596 | {\r |
597 | if (movie_data[0x14] == '6')\r |
dd5fd477 |
598 | PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r |
599 | else PicoOpt &= ~POPT_6BTN_PAD;\r |
a4790056 |
600 | PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r |
e9a13365 |
601 | if (movie_data[0xF] >= 'A') {\r |
602 | if (movie_data[0x16] & 0x80) {\r |
f013066e |
603 | PicoRegionOverride = 8;\r |
604 | } else {\r |
605 | PicoRegionOverride = 4;\r |
606 | }\r |
8d5cb10d |
607 | PicoReset();\r |
f013066e |
608 | // TODO: bits 6 & 5\r |
609 | }\r |
610 | movie_data[0x18+30] = 0;\r |
b5bfb864 |
611 | emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r |
f013066e |
612 | }\r |
613 | else\r |
614 | {\r |
2f3ca016 |
615 | const char *sys_name, *tv_standard;\r |
616 | int fps;\r |
617 | \r |
618 | if (PicoAHW & PAHW_SMS) {\r |
619 | sys_name = "Master System";\r |
620 | } else {\r |
621 | sys_name = "MegaDrive";\r |
622 | if ((Pico.m.hardware&0xc0) == 0x80)\r |
623 | sys_name = "Genesis";\r |
624 | }\r |
625 | tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r |
626 | fps = Pico.m.pal ? 50 : 60;\r |
627 | \r |
628 | emu_status_msg("%s %s / %dFPS", tv_standard, sys_name, fps);\r |
629 | \r |
dd5fd477 |
630 | PicoOpt &= ~POPT_DIS_VDP_FIFO;\r |
f013066e |
631 | }\r |
f013066e |
632 | \r |
85bd209c |
633 | strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r |
634 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
635 | rom_loaded = 1;\r |
636 | \r |
f013066e |
637 | // load SRAM for this ROM\r |
ee0f881e |
638 | if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r |
639 | emu_save_load_game(1, 1);\r |
f013066e |
640 | \r |
641 | return 1;\r |
e9a13365 |
642 | \r |
e9a13365 |
643 | fail:\r |
2f3ca016 |
644 | if (rom_data)\r |
645 | free(rom_data);\r |
646 | menu_romload_end();\r |
e9a13365 |
647 | return 0;\r |
f013066e |
648 | }\r |
649 | \r |
6b8796e2 |
650 | int emu_swap_cd(const char *fname)\r |
651 | {\r |
652 | cd_img_type cd_type;\r |
653 | int ret = -1;\r |
654 | \r |
655 | cd_type = emu_cd_check(NULL, fname);\r |
656 | if (cd_type != CIT_NOT_CD)\r |
657 | ret = Insert_CD(fname, cd_type);\r |
658 | if (ret != 0) {\r |
659 | me_update_msg("Load failed, invalid CD image?");\r |
660 | return 0;\r |
661 | }\r |
662 | \r |
663 | strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r |
664 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
665 | return 1;\r |
666 | }\r |
667 | \r |
f013066e |
668 | static void romfname_ext(char *dst, const char *prefix, const char *ext)\r |
669 | {\r |
670 | char *p;\r |
671 | int prefix_len = 0;\r |
672 | \r |
673 | // make save filename\r |
049a6b3e |
674 | p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;\r |
675 | for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r |
f013066e |
676 | *dst = 0;\r |
677 | if (prefix) {\r |
93c18cb4 |
678 | int len = plat_get_root_dir(dst, 512);\r |
36f6fd5a |
679 | strcpy(dst + len, prefix);\r |
680 | prefix_len = len + strlen(prefix);\r |
f013066e |
681 | }\r |
36f6fd5a |
682 | #ifdef UIQ3\r |
049a6b3e |
683 | else p = rom_fname_loaded; // backward compatibility\r |
36f6fd5a |
684 | #endif\r |
f013066e |
685 | strncpy(dst + prefix_len, p, 511-prefix_len);\r |
686 | dst[511-8] = 0;\r |
687 | if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r |
688 | if (ext) strcat(dst, ext);\r |
689 | }\r |
690 | \r |
45deb409 |
691 | void emu_make_path(char *buff, const char *end, int size)\r |
2b1fd520 |
692 | {\r |
45deb409 |
693 | int pos, end_len;\r |
694 | \r |
695 | end_len = strlen(end);\r |
696 | pos = plat_get_root_dir(buff, size);\r |
697 | strncpy(buff + pos, end, size - pos);\r |
698 | buff[size - 1] = 0;\r |
699 | if (pos + end_len > size - 1)\r |
700 | lprintf("Warning: path truncated: %s\n", buff);\r |
701 | }\r |
702 | \r |
703 | static void make_config_cfg(char *cfg_buff_512)\r |
704 | {\r |
705 | emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r |
2b1fd520 |
706 | if (config_slot != 0)\r |
707 | {\r |
45deb409 |
708 | char *p = strrchr(cfg_buff_512, '.');\r |
709 | if (p == NULL)\r |
710 | p = cfg_buff_512 + strlen(cfg_buff_512);\r |
2b1fd520 |
711 | sprintf(p, ".%i.cfg", config_slot);\r |
712 | }\r |
45deb409 |
713 | cfg_buff_512[511] = 0;\r |
2b1fd520 |
714 | }\r |
715 | \r |
9ecdd73a |
716 | void emu_set_defconfig(void)\r |
36f6fd5a |
717 | {\r |
ee0f881e |
718 | memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));\r |
36f6fd5a |
719 | PicoOpt = currentConfig.s_PicoOpt;\r |
720 | PsndRate = currentConfig.s_PsndRate;\r |
721 | PicoRegionOverride = currentConfig.s_PicoRegion;\r |
722 | PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r |
723 | PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r |
724 | }\r |
725 | \r |
ee0f881e |
726 | int emu_read_config(int game, int no_defaults)\r |
f013066e |
727 | {\r |
0ae25549 |
728 | char cfg[512];\r |
0ae25549 |
729 | int ret;\r |
f013066e |
730 | \r |
4bd165c8 |
731 | if (!no_defaults)\r |
732 | emu_set_defconfig();\r |
733 | \r |
f013066e |
734 | if (!game)\r |
735 | {\r |
2b1fd520 |
736 | make_config_cfg(cfg);\r |
0ae25549 |
737 | ret = config_readsect(cfg, NULL);\r |
f013066e |
738 | }\r |
0ae25549 |
739 | else\r |
740 | {\r |
ee0f881e |
741 | char *sect = emu_make_rom_id();\r |
f013066e |
742 | \r |
0ae25549 |
743 | // try new .cfg way\r |
744 | if (config_slot != 0)\r |
745 | sprintf(cfg, "game.%i.cfg", config_slot);\r |
746 | else strcpy(cfg, "game.cfg");\r |
367b6f1f |
747 | \r |
748 | ret = -1;\r |
2b1fd520 |
749 | if (config_havesect(cfg, sect))\r |
750 | {\r |
751 | // read user's config\r |
67dfdf5f |
752 | int vol = currentConfig.volume;\r |
9ecdd73a |
753 | emu_set_defconfig();\r |
367b6f1f |
754 | ret = config_readsect(cfg, sect);\r |
67dfdf5f |
755 | currentConfig.volume = vol; // make vol global (bah)\r |
367b6f1f |
756 | }\r |
558d8e1f |
757 | else\r |
2b1fd520 |
758 | {\r |
759 | // read global config, and apply game_def.cfg on top\r |
760 | make_config_cfg(cfg);\r |
761 | config_readsect(cfg, NULL);\r |
0c2e114e |
762 | emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r |
763 | ret = config_readsect(cfg, sect);\r |
2b1fd520 |
764 | }\r |
0ae25549 |
765 | \r |
36f6fd5a |
766 | if (ret == 0)\r |
0ae25549 |
767 | {\r |
367b6f1f |
768 | lprintf("loaded cfg from sect \"%s\"\n", sect);\r |
0ae25549 |
769 | }\r |
f013066e |
770 | }\r |
0ae25549 |
771 | \r |
fa8d1331 |
772 | plat_validate_config();\r |
773 | \r |
f013066e |
774 | // some sanity checks\r |
93c0d147 |
775 | #ifdef PSP\r |
fa8d1331 |
776 | /* TODO: mv to plat_validate_config() */\r |
777 | if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
93c0d147 |
778 | if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r |
960a8e27 |
779 | if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r |
93c0d147 |
780 | #endif\r |
fa8d1331 |
781 | if (currentConfig.volume < 0 || currentConfig.volume > 99)\r |
782 | currentConfig.volume = 50;\r |
783 | \r |
784 | if (ret == 0)\r |
785 | config_slot_current = config_slot;\r |
82abf46f |
786 | \r |
0ae25549 |
787 | return (ret == 0);\r |
f013066e |
788 | }\r |
789 | \r |
790 | \r |
ee0f881e |
791 | int emu_write_config(int is_game)\r |
f013066e |
792 | {\r |
0ae25549 |
793 | char cfg[512], *game_sect = NULL;\r |
794 | int ret, write_lrom = 0;\r |
f013066e |
795 | \r |
0ae25549 |
796 | if (!is_game)\r |
f013066e |
797 | {\r |
36f6fd5a |
798 | make_config_cfg(cfg);\r |
0ae25549 |
799 | write_lrom = 1;\r |
f013066e |
800 | } else {\r |
801 | if (config_slot != 0)\r |
0ae25549 |
802 | sprintf(cfg, "game.%i.cfg", config_slot);\r |
803 | else strcpy(cfg, "game.cfg");\r |
ee0f881e |
804 | game_sect = emu_make_rom_id();\r |
805 | lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r |
f013066e |
806 | }\r |
807 | \r |
ee0f881e |
808 | lprintf("emu_write_config: %s ", cfg);\r |
0ae25549 |
809 | ret = config_writesect(cfg, game_sect);\r |
367b6f1f |
810 | if (write_lrom) config_writelrom(cfg);\r |
f013066e |
811 | #ifndef NO_SYNC\r |
0ae25549 |
812 | sync();\r |
f013066e |
813 | #endif\r |
0ae25549 |
814 | lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r |
f013066e |
815 | \r |
0ae25549 |
816 | if (ret == 0) config_slot_current = config_slot;\r |
817 | return ret == 0;\r |
f013066e |
818 | }\r |
819 | \r |
820 | \r |
e31266dd |
821 | /* always using built-in font */\r |
822 | \r |
b7911801 |
823 | #define mk_text_out(name, type, val, topleft, step_x, step_y) \\r |
e31266dd |
824 | void name(int x, int y, const char *text) \\r |
825 | { \\r |
826 | int i, l, len = strlen(text); \\r |
b7911801 |
827 | type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r |
e31266dd |
828 | \\r |
b7911801 |
829 | for (i = 0; i < len; i++, screen += 8 * step_x) \\r |
e31266dd |
830 | { \\r |
831 | for (l = 0; l < 8; l++) \\r |
832 | { \\r |
833 | unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r |
b7911801 |
834 | type *s = screen + l * step_y; \\r |
835 | if (fd&0x80) s[step_x * 0] = val; \\r |
836 | if (fd&0x40) s[step_x * 1] = val; \\r |
837 | if (fd&0x20) s[step_x * 2] = val; \\r |
838 | if (fd&0x10) s[step_x * 3] = val; \\r |
839 | if (fd&0x08) s[step_x * 4] = val; \\r |
840 | if (fd&0x04) s[step_x * 5] = val; \\r |
841 | if (fd&0x02) s[step_x * 6] = val; \\r |
842 | if (fd&0x01) s[step_x * 7] = val; \\r |
e31266dd |
843 | } \\r |
844 | } \\r |
f013066e |
845 | }\r |
846 | \r |
b7911801 |
847 | mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r |
848 | mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r |
849 | mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r |
850 | (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
851 | mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r |
852 | (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
f013066e |
853 | \r |
e31266dd |
854 | #undef mk_text_out\r |
f013066e |
855 | \r |
856 | \r |
388947f3 |
857 | void update_movie(void)\r |
f013066e |
858 | {\r |
859 | int offs = Pico.m.frame_count*3 + 0x40;\r |
860 | if (offs+3 > movie_size) {\r |
861 | free(movie_data);\r |
862 | movie_data = 0;\r |
b5bfb864 |
863 | emu_status_msg("END OF MOVIE.");\r |
f013066e |
864 | lprintf("END OF MOVIE.\n");\r |
f013066e |
865 | } else {\r |
866 | // MXYZ SACB RLDU\r |
867 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
61f66fe0 |
868 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r |
869 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r |
870 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r |
f013066e |
871 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
61f66fe0 |
872 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r |
873 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r |
874 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r |
f013066e |
875 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
876 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
877 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
878 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
879 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
880 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
881 | }\r |
882 | }\r |
883 | \r |
f013066e |
884 | static int try_ropen_file(const char *fname)\r |
885 | {\r |
886 | FILE *f;\r |
887 | \r |
888 | f = fopen(fname, "rb");\r |
889 | if (f) {\r |
890 | fclose(f);\r |
891 | return 1;\r |
892 | }\r |
893 | return 0;\r |
894 | }\r |
895 | \r |
ee0f881e |
896 | char *emu_get_save_fname(int load, int is_sram, int slot)\r |
f013066e |
897 | {\r |
898 | static char saveFname[512];\r |
899 | char ext[16];\r |
900 | \r |
901 | if (is_sram)\r |
902 | {\r |
609d0c07 |
903 | strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r |
904 | romfname_ext(saveFname, (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r |
905 | if (!load)\r |
906 | return saveFname;\r |
907 | \r |
908 | if (try_ropen_file(saveFname))\r |
909 | return saveFname;\r |
910 | \r |
911 | romfname_ext(saveFname, NULL, ext);\r |
912 | if (try_ropen_file(saveFname))\r |
913 | return saveFname;\r |
f013066e |
914 | }\r |
915 | else\r |
916 | {\r |
609d0c07 |
917 | const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r |
918 | const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r |
f013066e |
919 | ext[0] = 0;\r |
609d0c07 |
920 | if (slot > 0 && slot < 10)\r |
921 | sprintf(ext, ".%i", slot);\r |
922 | strcat(ext, ext_main);\r |
923 | \r |
924 | if (!load) {\r |
925 | romfname_ext(saveFname, "mds" PATH_SEP, ext);\r |
926 | return saveFname;\r |
927 | }\r |
928 | else {\r |
929 | romfname_ext(saveFname, "mds" PATH_SEP, ext);\r |
930 | if (try_ropen_file(saveFname))\r |
931 | return saveFname;\r |
f013066e |
932 | \r |
f013066e |
933 | romfname_ext(saveFname, NULL, ext);\r |
609d0c07 |
934 | if (try_ropen_file(saveFname))\r |
935 | return saveFname;\r |
936 | \r |
937 | // try the other ext\r |
938 | ext[0] = 0;\r |
939 | if (slot > 0 && slot < 10)\r |
940 | sprintf(ext, ".%i", slot);\r |
941 | strcat(ext, ext_othr);\r |
942 | \r |
943 | romfname_ext(saveFname, "mds"PATH_SEP, ext);\r |
944 | if (try_ropen_file(saveFname))\r |
945 | return saveFname;\r |
f013066e |
946 | }\r |
947 | }\r |
948 | \r |
609d0c07 |
949 | return NULL;\r |
f013066e |
950 | }\r |
951 | \r |
ee0f881e |
952 | int emu_check_save_file(int slot)\r |
f013066e |
953 | {\r |
ee0f881e |
954 | return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r |
f013066e |
955 | }\r |
956 | \r |
ee0f881e |
957 | int emu_save_load_game(int load, int sram)\r |
f013066e |
958 | {\r |
959 | int ret = 0;\r |
960 | char *saveFname;\r |
961 | \r |
962 | // make save filename\r |
ee0f881e |
963 | saveFname = emu_get_save_fname(load, sram, state_slot);\r |
f013066e |
964 | if (saveFname == NULL) {\r |
388947f3 |
965 | if (!sram)\r |
b5bfb864 |
966 | emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r |
f013066e |
967 | return -1;\r |
968 | }\r |
969 | \r |
970 | lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
971 | \r |
11f4e722 |
972 | if (sram)\r |
973 | {\r |
f013066e |
974 | FILE *sramFile;\r |
975 | int sram_size;\r |
976 | unsigned char *sram_data;\r |
977 | int truncate = 1;\r |
dd5fd477 |
978 | if (PicoAHW & PAHW_MCD)\r |
979 | {\r |
980 | if (PicoOpt&POPT_EN_MCD_RAMCART) {\r |
f013066e |
981 | sram_size = 0x12000;\r |
982 | sram_data = SRam.data;\r |
983 | if (sram_data)\r |
984 | memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r |
985 | } else {\r |
986 | sram_size = 0x2000;\r |
987 | sram_data = Pico_mcd->bram;\r |
988 | truncate = 0; // the .brm may contain RAM cart data after normal brm\r |
989 | }\r |
990 | } else {\r |
991 | sram_size = SRam.end-SRam.start+1;\r |
992 | if(Pico.m.sram_reg & 4) sram_size=0x2000;\r |
993 | sram_data = SRam.data;\r |
994 | }\r |
995 | if (!sram_data) return 0; // SRam forcefully disabled for this game\r |
996 | \r |
dd5fd477 |
997 | if (load)\r |
998 | {\r |
f013066e |
999 | sramFile = fopen(saveFname, "rb");\r |
1000 | if(!sramFile) return -1;\r |
1001 | fread(sram_data, 1, sram_size, sramFile);\r |
1002 | fclose(sramFile);\r |
dd5fd477 |
1003 | if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r |
f013066e |
1004 | memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r |
1005 | } else {\r |
1006 | // sram save needs some special processing\r |
1007 | // see if we have anything to save\r |
1008 | for (; sram_size > 0; sram_size--)\r |
1009 | if (sram_data[sram_size-1]) break;\r |
1010 | \r |
1011 | if (sram_size) {\r |
1012 | sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r |
1013 | if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r |
1014 | if (!sramFile) return -1;\r |
1015 | ret = fwrite(sram_data, 1, sram_size, sramFile);\r |
1016 | ret = (ret != sram_size) ? -1 : 0;\r |
1017 | fclose(sramFile);\r |
1018 | #ifndef NO_SYNC\r |
1019 | sync();\r |
1020 | #endif\r |
1021 | }\r |
1022 | }\r |
1023 | return ret;\r |
1024 | }\r |
1025 | else\r |
1026 | {\r |
85bd209c |
1027 | ret = PicoState(saveFname, !load);\r |
1028 | if (!ret) {\r |
f013066e |
1029 | #ifndef NO_SYNC\r |
85bd209c |
1030 | if (!load) sync();\r |
f013066e |
1031 | #endif\r |
22b2271a |
1032 | emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r |
85bd209c |
1033 | } else {\r |
b5bfb864 |
1034 | emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r |
f013066e |
1035 | ret = -1;\r |
1036 | }\r |
1037 | \r |
f013066e |
1038 | return ret;\r |
1039 | }\r |
1040 | }\r |
8e708f92 |
1041 | \r |
ee0f881e |
1042 | void emu_set_fastforward(int set_on)\r |
8a091e48 |
1043 | {\r |
1044 | static void *set_PsndOut = NULL;\r |
1045 | static int set_Frameskip, set_EmuOpt, is_on = 0;\r |
1046 | \r |
1047 | if (set_on && !is_on) {\r |
1048 | set_PsndOut = PsndOut;\r |
1049 | set_Frameskip = currentConfig.Frameskip;\r |
1050 | set_EmuOpt = currentConfig.EmuOpt;\r |
1051 | PsndOut = NULL;\r |
1052 | currentConfig.Frameskip = 8;\r |
1053 | currentConfig.EmuOpt &= ~4;\r |
1054 | currentConfig.EmuOpt |= 0x40000;\r |
1055 | is_on = 1;\r |
b5bfb864 |
1056 | emu_status_msg("FAST FORWARD");\r |
8a091e48 |
1057 | }\r |
1058 | else if (!set_on && is_on) {\r |
1059 | PsndOut = set_PsndOut;\r |
1060 | currentConfig.Frameskip = set_Frameskip;\r |
1061 | currentConfig.EmuOpt = set_EmuOpt;\r |
1062 | PsndRerate(1);\r |
1063 | is_on = 0;\r |
1064 | }\r |
1065 | }\r |
1066 | \r |
0f4090a9 |
1067 | static void emu_tray_open(void)\r |
8a091e48 |
1068 | {\r |
0f4090a9 |
1069 | engineState = PGS_TrayMenu;\r |
1070 | }\r |
1071 | \r |
1072 | static void emu_tray_close(void)\r |
1073 | {\r |
1074 | emu_status_msg("CD tray closed.");\r |
93c18cb4 |
1075 | }\r |
1076 | \r |
1077 | void emu_reset_game(void)\r |
1078 | {\r |
1079 | PicoReset();\r |
1080 | reset_timing = 1;\r |
1081 | }\r |
1082 | \r |
1083 | void run_events_pico(unsigned int events)\r |
1084 | {\r |
1085 | int lim_x;\r |
1086 | \r |
1087 | if (events & PEV_PICO_SWINP) {\r |
8a091e48 |
1088 | pico_inp_mode++;\r |
388947f3 |
1089 | if (pico_inp_mode > 2)\r |
1090 | pico_inp_mode = 0;\r |
8a091e48 |
1091 | switch (pico_inp_mode) {\r |
b5bfb864 |
1092 | case 2: emu_status_msg("Input: Pen on Pad"); break;\r |
1093 | case 1: emu_status_msg("Input: Pen on Storyware"); break;\r |
1094 | case 0: emu_status_msg("Input: Joystick");\r |
8a091e48 |
1095 | PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
1096 | break;\r |
1097 | }\r |
8a091e48 |
1098 | }\r |
93c18cb4 |
1099 | if (events & PEV_PICO_PPREV) {\r |
8a091e48 |
1100 | PicoPicohw.page--;\r |
388947f3 |
1101 | if (PicoPicohw.page < 0)\r |
1102 | PicoPicohw.page = 0;\r |
b5bfb864 |
1103 | emu_status_msg("Page %i", PicoPicohw.page);\r |
8a091e48 |
1104 | }\r |
93c18cb4 |
1105 | if (events & PEV_PICO_PNEXT) {\r |
8a091e48 |
1106 | PicoPicohw.page++;\r |
388947f3 |
1107 | if (PicoPicohw.page > 6)\r |
1108 | PicoPicohw.page = 6;\r |
b5bfb864 |
1109 | emu_status_msg("Page %i", PicoPicohw.page);\r |
8a091e48 |
1110 | }\r |
93c18cb4 |
1111 | \r |
1112 | if (pico_inp_mode == 0)\r |
1113 | return;\r |
1114 | \r |
1115 | /* handle other input modes */\r |
1116 | if (PicoPad[0] & 1) pico_pen_y--;\r |
1117 | if (PicoPad[0] & 2) pico_pen_y++;\r |
1118 | if (PicoPad[0] & 4) pico_pen_x--;\r |
1119 | if (PicoPad[0] & 8) pico_pen_x++;\r |
1120 | PicoPad[0] &= ~0x0f; // release UDLR\r |
1121 | \r |
1122 | lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r |
1123 | if (pico_pen_y < 8)\r |
1124 | pico_pen_y = 8;\r |
1125 | if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r |
1126 | pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r |
1127 | if (pico_pen_x < 0)\r |
1128 | pico_pen_x = 0;\r |
1129 | if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r |
1130 | pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r |
1131 | \r |
1132 | PicoPicohw.pen_pos[0] = pico_pen_x;\r |
1133 | if (!(Pico.video.reg[12] & 1))\r |
1134 | PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r |
1135 | PicoPicohw.pen_pos[0] += 0x3c;\r |
1136 | PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r |
8a091e48 |
1137 | }\r |
1138 | \r |
388947f3 |
1139 | static void do_turbo(int *pad, int acts)\r |
6589c840 |
1140 | {\r |
1141 | static int turbo_pad = 0;\r |
1142 | static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r |
1143 | int inc = currentConfig.turbo_rate * 2;\r |
1144 | \r |
1145 | if (acts & 0x1000) {\r |
1146 | turbo_cnt[0] += inc;\r |
1147 | if (turbo_cnt[0] >= 60)\r |
1148 | turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r |
1149 | }\r |
1150 | if (acts & 0x2000) {\r |
1151 | turbo_cnt[1] += inc;\r |
1152 | if (turbo_cnt[1] >= 60)\r |
1153 | turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r |
1154 | }\r |
1155 | if (acts & 0x4000) {\r |
1156 | turbo_cnt[2] += inc;\r |
1157 | if (turbo_cnt[2] >= 60)\r |
1158 | turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r |
1159 | }\r |
1160 | *pad |= turbo_pad & (acts >> 8);\r |
1161 | }\r |
8a091e48 |
1162 | \r |
93c18cb4 |
1163 | static void run_events_ui(unsigned int which)\r |
388947f3 |
1164 | {\r |
1165 | if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r |
1166 | {\r |
1167 | int do_it = 1;\r |
ee0f881e |
1168 | if ( emu_check_save_file(state_slot) &&\r |
388947f3 |
1169 | (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||\r |
1170 | ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )\r |
1171 | {\r |
1172 | const char *nm;\r |
1173 | char tmp[64];\r |
1174 | int keys, len;\r |
1175 | \r |
1176 | strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r |
1177 | len = strlen(tmp);\r |
1178 | nm = in_get_key_name(-1, -PBTN_MA3);\r |
1179 | snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r |
1180 | len = strlen(tmp);\r |
1181 | nm = in_get_key_name(-1, -PBTN_MBACK);\r |
1182 | snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r |
1183 | \r |
1184 | plat_status_msg_busy_first(tmp);\r |
1185 | \r |
1186 | in_set_blocking(1);\r |
1187 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r |
1188 | ;\r |
1189 | while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )\r |
1190 | ;\r |
1191 | if (keys & PBTN_MBACK)\r |
1192 | do_it = 0;\r |
1193 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r |
1194 | ;\r |
1195 | in_set_blocking(0);\r |
1196 | }\r |
1197 | if (do_it) {\r |
22b2271a |
1198 | plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r |
388947f3 |
1199 | PicoStateProgressCB = plat_status_msg_busy_next;\r |
ee0f881e |
1200 | emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r |
388947f3 |
1201 | PicoStateProgressCB = NULL;\r |
1202 | }\r |
1203 | }\r |
1204 | if (which & PEV_SWITCH_RND)\r |
1205 | {\r |
9ecdd73a |
1206 | plat_video_toggle_renderer(1, 0);\r |
388947f3 |
1207 | }\r |
1208 | if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r |
1209 | {\r |
1210 | if (which & PEV_SSLOT_PREV) {\r |
1211 | state_slot -= 1;\r |
1212 | if (state_slot < 0)\r |
1213 | state_slot = 9;\r |
1214 | } else {\r |
1215 | state_slot += 1;\r |
1216 | if (state_slot > 9)\r |
1217 | state_slot = 0;\r |
1218 | }\r |
1219 | \r |
b5bfb864 |
1220 | emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r |
ee0f881e |
1221 | emu_check_save_file(state_slot) ? "USED" : "FREE");\r |
388947f3 |
1222 | }\r |
1223 | if (which & PEV_MENU)\r |
1224 | engineState = PGS_Menu;\r |
1225 | }\r |
1226 | \r |
1227 | void emu_update_input(void)\r |
1228 | {\r |
8e77275e |
1229 | static int prev_events = 0;\r |
1230 | int actions[IN_BINDTYPE_COUNT] = { 0, };\r |
1231 | int pl_actions[2];\r |
1232 | int events;\r |
388947f3 |
1233 | \r |
8e77275e |
1234 | in_update(actions);\r |
388947f3 |
1235 | \r |
8e77275e |
1236 | pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r |
1237 | pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r |
388947f3 |
1238 | \r |
8e77275e |
1239 | PicoPad[0] = pl_actions[0] & 0xfff;\r |
1240 | PicoPad[1] = pl_actions[1] & 0xfff;\r |
388947f3 |
1241 | \r |
8e77275e |
1242 | if (pl_actions[0] & 0x7000)\r |
1243 | do_turbo(&PicoPad[0], pl_actions[0]);\r |
1244 | if (pl_actions[1] & 0x7000)\r |
1245 | do_turbo(&PicoPad[1], pl_actions[1]);\r |
1246 | \r |
1247 | events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
388947f3 |
1248 | \r |
1249 | // volume is treated in special way and triggered every frame\r |
1250 | if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r |
1251 | plat_update_volume(1, events & PEV_VOL_UP);\r |
1252 | \r |
8e77275e |
1253 | if ((events ^ prev_events) & PEV_FF) {\r |
ee0f881e |
1254 | emu_set_fastforward(events & PEV_FF);\r |
388947f3 |
1255 | plat_update_volume(0, 0);\r |
93c18cb4 |
1256 | reset_timing = 1;\r |
388947f3 |
1257 | }\r |
1258 | \r |
8e77275e |
1259 | events &= ~prev_events;\r |
388947f3 |
1260 | \r |
93c18cb4 |
1261 | if (PicoAHW == PAHW_PICO)\r |
1262 | run_events_pico(events);\r |
388947f3 |
1263 | if (events)\r |
93c18cb4 |
1264 | run_events_ui(events);\r |
388947f3 |
1265 | if (movie_data)\r |
1266 | update_movie();\r |
1267 | \r |
8e77275e |
1268 | prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
388947f3 |
1269 | }\r |
1270 | \r |
93c18cb4 |
1271 | static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r |
1272 | {\r |
1273 | strcpy(path_with_reserve + pos, name);\r |
1274 | if (plat_is_dir(path_with_reserve))\r |
1275 | return;\r |
1276 | if (mkdir(path_with_reserve, 0777) < 0)\r |
1277 | lprintf("failed to create: %s\n", path_with_reserve);\r |
1278 | }\r |
1279 | \r |
1280 | void emu_init(void)\r |
1281 | {\r |
45deb409 |
1282 | char path[512];\r |
93c18cb4 |
1283 | int pos;\r |
1284 | \r |
1285 | /* make dirs for saves */\r |
45deb409 |
1286 | pos = plat_get_root_dir(path, sizeof(path) - 4);\r |
1287 | mkdir_path(path, pos, "mds");\r |
1288 | mkdir_path(path, pos, "srm");\r |
1289 | mkdir_path(path, pos, "brm");\r |
1290 | \r |
1291 | make_config_cfg(path);\r |
1292 | config_readlrom(path);\r |
93c18cb4 |
1293 | \r |
1294 | PicoInit();\r |
1295 | PicoMessage = plat_status_msg_busy_next;\r |
0f4090a9 |
1296 | PicoMCDopenTray = emu_tray_open;\r |
1297 | PicoMCDcloseTray = emu_tray_close;\r |
93c18cb4 |
1298 | }\r |
1299 | \r |
1300 | void emu_finish(void)\r |
1301 | {\r |
1302 | // save SRAM\r |
ee0f881e |
1303 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1304 | emu_save_load_game(0, 1);\r |
93c18cb4 |
1305 | SRam.changed = 0;\r |
1306 | }\r |
1307 | \r |
45deb409 |
1308 | if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r |
1309 | char cfg[512];\r |
1310 | make_config_cfg(cfg);\r |
1311 | config_writelrom(cfg);\r |
1312 | #ifndef NO_SYNC\r |
1313 | sync();\r |
1314 | #endif\r |
1315 | }\r |
93c18cb4 |
1316 | \r |
1317 | PicoExit();\r |
1318 | }\r |
1319 | \r |
b5bfb864 |
1320 | static void skip_frame(int do_audio)\r |
1321 | {\r |
1322 | PicoSkipFrame = do_audio ? 1 : 2;\r |
1323 | PicoFrame();\r |
1324 | PicoSkipFrame = 0;\r |
1325 | }\r |
1326 | \r |
1327 | /* our tick here is 1 us right now */\r |
1328 | #define ms_to_ticks(x) (unsigned int)(x * 1000)\r |
1329 | #define get_ticks() plat_get_ticks_us()\r |
1330 | \r |
1331 | void emu_loop(void)\r |
1332 | {\r |
1333 | int pframes_done; /* "period" frames, used for sync */\r |
1334 | int frames_done, frames_shown; /* actual frames for fps counter */\r |
1335 | int oldmodes, target_fps, target_frametime;\r |
1336 | unsigned int timestamp_base = 0, timestamp_fps;\r |
1337 | char *notice_msg = NULL;\r |
1338 | char fpsbuff[24];\r |
1339 | int i;\r |
1340 | \r |
1341 | fpsbuff[0] = 0;\r |
1342 | \r |
1343 | /* make sure we are in correct mode */\r |
1344 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
1345 | Pico.m.dirtyPal = 1;\r |
1346 | \r |
1347 | /* number of ticks per frame */\r |
1348 | if (Pico.m.pal) {\r |
1349 | target_fps = 50;\r |
1350 | target_frametime = ms_to_ticks(1000) / 50;\r |
1351 | } else {\r |
1352 | target_fps = 60;\r |
1353 | target_frametime = ms_to_ticks(1000) / 60 + 1;\r |
1354 | }\r |
1355 | \r |
1356 | // prepare CD buffer\r |
1357 | if (PicoAHW & PAHW_MCD)\r |
1358 | PicoCDBufferInit();\r |
1359 | \r |
b5bfb864 |
1360 | pemu_loop_prep();\r |
1361 | \r |
1362 | timestamp_fps = get_ticks();\r |
1363 | reset_timing = 1;\r |
1364 | \r |
1365 | frames_done = frames_shown = pframes_done = 0;\r |
1366 | \r |
f71361b5 |
1367 | plat_video_wait_vsync();\r |
1368 | \r |
b5bfb864 |
1369 | /* loop with resync every 1 sec. */\r |
1370 | while (engineState == PGS_Running)\r |
1371 | {\r |
1372 | unsigned int timestamp;\r |
1373 | int diff, diff_lim;\r |
1374 | int modes;\r |
1375 | \r |
1376 | timestamp = get_ticks();\r |
1377 | if (reset_timing) {\r |
1378 | reset_timing = 0;\r |
1379 | timestamp_base = timestamp;\r |
1380 | pframes_done = 0;\r |
1381 | }\r |
1382 | \r |
1383 | // show notice_msg message?\r |
1384 | if (notice_msg_time != 0)\r |
1385 | {\r |
1386 | static int noticeMsgSum;\r |
22b2271a |
1387 | if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r |
b5bfb864 |
1388 | notice_msg_time = 0;\r |
1389 | plat_status_msg_clear();\r |
1390 | notice_msg = NULL;\r |
1391 | } else {\r |
1392 | int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r |
1393 | if (sum != noticeMsgSum) {\r |
1394 | plat_status_msg_clear();\r |
1395 | noticeMsgSum = sum;\r |
1396 | }\r |
1397 | notice_msg = noticeMsg;\r |
1398 | }\r |
1399 | }\r |
1400 | \r |
1401 | // check for mode changes\r |
1402 | modes = ((Pico.video.reg[12]&1)<<2) | (Pico.video.reg[1]&8);\r |
1403 | if (modes != oldmodes) {\r |
1404 | oldmodes = modes;\r |
1405 | pemu_video_mode_change(!(modes & 4), (modes & 8));\r |
1406 | }\r |
1407 | \r |
1408 | // second changed?\r |
1409 | if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r |
1410 | {\r |
1411 | #ifdef BENCHMARK\r |
1412 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
1413 | if (++bench == 10) {\r |
1414 | bench = 0;\r |
1415 | bench_fps_s = bench_fps;\r |
1416 | bf[bfp++ & 3] = bench_fps;\r |
1417 | bench_fps = 0;\r |
1418 | }\r |
1419 | bench_fps += frames_shown;\r |
1420 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
1421 | #else\r |
1422 | if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r |
1423 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
1424 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
1425 | }\r |
1426 | #endif\r |
1427 | frames_shown = frames_done = 0;\r |
1428 | timestamp_fps += ms_to_ticks(1000);\r |
1429 | }\r |
1430 | #ifdef PFRAMES\r |
1431 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
1432 | #endif\r |
1433 | \r |
1434 | if (timestamp - timestamp_base >= ms_to_ticks(1000))\r |
1435 | {\r |
4858c633 |
1436 | if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r |
b5bfb864 |
1437 | pframes_done = 0;\r |
4858c633 |
1438 | else {\r |
b5bfb864 |
1439 | pframes_done -= target_fps;\r |
4858c633 |
1440 | /* don't allow it to drift during heavy slowdowns */\r |
22b2271a |
1441 | if (pframes_done < -5) {\r |
1442 | reset_timing = 1;\r |
1443 | continue;\r |
1444 | }\r |
4858c633 |
1445 | if (pframes_done < -2)\r |
1446 | pframes_done = -2;\r |
1447 | }\r |
b5bfb864 |
1448 | timestamp_base += ms_to_ticks(1000);\r |
1449 | }\r |
1450 | \r |
1451 | diff = timestamp - timestamp_base;\r |
1452 | diff_lim = (pframes_done + 1) * target_frametime;\r |
1453 | \r |
1454 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
1455 | {\r |
1456 | for (i = 0; i < currentConfig.Frameskip; i++) {\r |
1457 | emu_update_input();\r |
1458 | skip_frame(1);\r |
1459 | pframes_done++; frames_done++;\r |
1460 | diff_lim += target_frametime;\r |
1461 | \r |
4858c633 |
1462 | if (!(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT)) {\r |
b5bfb864 |
1463 | timestamp = get_ticks();\r |
1464 | diff = timestamp - timestamp_base;\r |
7a5f9593 |
1465 | if (!reset_timing && diff < diff_lim) // we are too fast\r |
b5bfb864 |
1466 | plat_wait_till_us(timestamp_base + diff_lim);\r |
1467 | }\r |
1468 | }\r |
1469 | }\r |
1470 | else if (diff > diff_lim)\r |
1471 | {\r |
1472 | /* no time left for this frame - skip */\r |
22b2271a |
1473 | if (diff - diff_lim >= ms_to_ticks(200)) {\r |
b5bfb864 |
1474 | /* if too much behind, reset instead */\r |
1475 | reset_timing = 1;\r |
1476 | continue;\r |
1477 | }\r |
1478 | emu_update_input();\r |
1479 | skip_frame(diff < diff_lim + target_frametime * 2);\r |
1480 | pframes_done++; frames_done++;\r |
1481 | continue;\r |
1482 | }\r |
1483 | \r |
1484 | emu_update_input();\r |
1485 | PicoFrame();\r |
1486 | \r |
1487 | /* frame limiter */\r |
4858c633 |
1488 | if (!reset_timing && !(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT))\r |
b5bfb864 |
1489 | {\r |
1490 | timestamp = get_ticks();\r |
1491 | diff = timestamp - timestamp_base;\r |
1492 | \r |
1493 | // sleep or vsync if we are still too fast\r |
1494 | if (diff < diff_lim)\r |
1495 | {\r |
1496 | // we are too fast\r |
f71361b5 |
1497 | plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r |
1498 | if (currentConfig.EmuOpt & EOPT_VSYNC)\r |
b5bfb864 |
1499 | plat_video_wait_vsync();\r |
b5bfb864 |
1500 | }\r |
1501 | }\r |
1502 | \r |
1503 | pemu_update_display(fpsbuff, notice_msg);\r |
1504 | \r |
1505 | pframes_done++; frames_done++; frames_shown++;\r |
1506 | }\r |
1507 | \r |
1508 | emu_set_fastforward(0);\r |
1509 | \r |
b5bfb864 |
1510 | // save SRAM\r |
1511 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1512 | plat_status_msg_busy_first("Writing SRAM/BRAM...");\r |
1513 | emu_save_load_game(0, 1);\r |
1514 | SRam.changed = 0;\r |
1515 | }\r |
1516 | \r |
b5bfb864 |
1517 | pemu_loop_end();\r |
7bc9a680 |
1518 | \r |
1519 | // pemu_loop_end() might want to do 1 frame for bg image,\r |
1520 | // so free CD buffer here\r |
1521 | if (PicoAHW & PAHW_MCD)\r |
1522 | PicoCDBufferFree();\r |
b5bfb864 |
1523 | }\r |
1524 | \r |