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 |
6c026031 |
44 | /* tmp buff to reduce stack usage for plats with small stack */\r |
45 | static char static_buff[512];\r |
049a6b3e |
46 | /* TODO: len checking */\r |
6c026031 |
47 | char rom_fname_reload[512];\r |
48 | char rom_fname_loaded[512];\r |
049a6b3e |
49 | int rom_loaded = 0;\r |
93c18cb4 |
50 | int reset_timing = 0;\r |
b5bfb864 |
51 | static unsigned int notice_msg_time; /* when started showing */\r |
52 | static char noticeMsg[40];\r |
f013066e |
53 | \r |
54 | unsigned char *movie_data = NULL;\r |
55 | static int movie_size = 0;\r |
56 | \r |
f013066e |
57 | \r |
fa8d1331 |
58 | /* don't use tolower() for easy old glibc binary compatibility */\r |
61f66fe0 |
59 | static void strlwr_(char *string)\r |
f013066e |
60 | {\r |
61f66fe0 |
61 | char *p;\r |
62 | for (p = string; *p; p++)\r |
fa8d1331 |
63 | if ('A' <= *p && *p <= 'Z')\r |
64 | *p += 'a' - 'A';\r |
f013066e |
65 | }\r |
66 | \r |
36f6fd5a |
67 | static int try_rfn_cut(char *fname)\r |
f013066e |
68 | {\r |
69 | FILE *tmp;\r |
70 | char *p;\r |
71 | \r |
36f6fd5a |
72 | p = fname + strlen(fname) - 1;\r |
73 | for (; p > fname; p--)\r |
f013066e |
74 | if (*p == '.') break;\r |
75 | *p = 0;\r |
76 | \r |
36f6fd5a |
77 | if((tmp = fopen(fname, "rb"))) {\r |
f013066e |
78 | fclose(tmp);\r |
79 | return 1;\r |
80 | }\r |
81 | return 0;\r |
82 | }\r |
83 | \r |
6b8796e2 |
84 | static void get_ext(const char *file, char *ext)\r |
f013066e |
85 | {\r |
6b8796e2 |
86 | const char *p;\r |
f013066e |
87 | \r |
88 | p = file + strlen(file) - 4;\r |
89 | if (p < file) p = file;\r |
90 | strncpy(ext, p, 4);\r |
91 | ext[4] = 0;\r |
92 | strlwr_(ext);\r |
93 | }\r |
94 | \r |
b5bfb864 |
95 | void emu_status_msg(const char *format, ...)\r |
96 | {\r |
97 | va_list vl;\r |
22b2271a |
98 | int ret;\r |
b5bfb864 |
99 | \r |
100 | va_start(vl, format);\r |
22b2271a |
101 | ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r |
b5bfb864 |
102 | va_end(vl);\r |
103 | \r |
22b2271a |
104 | /* be sure old text gets overwritten */\r |
105 | for (; ret < 28; ret++)\r |
106 | noticeMsg[ret] = ' ';\r |
107 | noticeMsg[ret] = 0;\r |
108 | \r |
b5bfb864 |
109 | notice_msg_time = plat_get_ticks_ms();\r |
110 | }\r |
111 | \r |
22b2271a |
112 | static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r |
113 | static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r |
114 | static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r |
f013066e |
115 | \r |
ee0f881e |
116 | static int find_bios(int region, char **bios_file)\r |
f013066e |
117 | {\r |
f013066e |
118 | int i, count;\r |
22b2271a |
119 | const char * const *files;\r |
f013066e |
120 | FILE *f = NULL;\r |
121 | \r |
122 | if (region == 4) { // US\r |
123 | files = biosfiles_us;\r |
124 | count = sizeof(biosfiles_us) / sizeof(char *);\r |
125 | } else if (region == 8) { // EU\r |
126 | files = biosfiles_eu;\r |
127 | count = sizeof(biosfiles_eu) / sizeof(char *);\r |
128 | } else if (region == 1 || region == 2) {\r |
129 | files = biosfiles_jp;\r |
130 | count = sizeof(biosfiles_jp) / sizeof(char *);\r |
131 | } else {\r |
132 | return 0;\r |
133 | }\r |
134 | \r |
135 | for (i = 0; i < count; i++)\r |
136 | {\r |
6c026031 |
137 | emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r |
138 | strcat(static_buff, ".bin");\r |
139 | f = fopen(static_buff, "rb");\r |
f013066e |
140 | if (f) break;\r |
141 | \r |
6c026031 |
142 | static_buff[strlen(static_buff) - 4] = 0;\r |
143 | strcat(static_buff, ".zip");\r |
144 | f = fopen(static_buff, "rb");\r |
f013066e |
145 | if (f) break;\r |
146 | }\r |
147 | \r |
148 | if (f) {\r |
6c026031 |
149 | lprintf("using bios: %s\n", static_buff);\r |
f013066e |
150 | fclose(f);\r |
6c026031 |
151 | if (bios_file)\r |
152 | *bios_file = static_buff;\r |
f013066e |
153 | return 1;\r |
154 | } else {\r |
6c026031 |
155 | sprintf(static_buff, "no %s BIOS files found, read docs",\r |
f013066e |
156 | region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
6c026031 |
157 | me_update_msg(static_buff);\r |
f013066e |
158 | return 0;\r |
159 | }\r |
160 | }\r |
161 | \r |
c6334564 |
162 | /* check if the name begins with BIOS name */\r |
367b6f1f |
163 | /*\r |
c6334564 |
164 | static int emu_isBios(const char *name)\r |
165 | {\r |
166 | int i;\r |
167 | for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r |
168 | if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r |
169 | for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r |
170 | if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r |
171 | for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r |
172 | if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r |
173 | return 0;\r |
174 | }\r |
367b6f1f |
175 | */\r |
c6334564 |
176 | \r |
367b6f1f |
177 | static unsigned char id_header[0x100];\r |
0ae25549 |
178 | \r |
2f3ca016 |
179 | /* checks if fname points to valid MegaCD image */\r |
6b8796e2 |
180 | static int emu_cd_check(int *pregion, const char *fname_in)\r |
f013066e |
181 | {\r |
6b8796e2 |
182 | const char *fname = fname_in;\r |
f013066e |
183 | unsigned char buf[32];\r |
184 | pm_file *cd_f;\r |
9fe01b96 |
185 | int region = 4; // 1: Japan, 4: US, 8: Europe\r |
6b8796e2 |
186 | char ext[5];\r |
9fe01b96 |
187 | cue_track_type type = CT_UNKNOWN;\r |
188 | cue_data_t *cue_data = NULL;\r |
1ceda417 |
189 | \r |
36f6fd5a |
190 | get_ext(fname_in, ext);\r |
9fe01b96 |
191 | if (strcasecmp(ext, ".cue") == 0) {\r |
36f6fd5a |
192 | cue_data = cue_parse(fname_in);\r |
9fe01b96 |
193 | if (cue_data != NULL) {\r |
194 | fname = cue_data->tracks[1].fname;\r |
195 | type = cue_data->tracks[1].type;\r |
196 | }\r |
e9a13365 |
197 | else\r |
198 | return -1;\r |
9fe01b96 |
199 | }\r |
200 | \r |
201 | cd_f = pm_open(fname);\r |
202 | if (cue_data != NULL)\r |
203 | cue_destroy(cue_data);\r |
f013066e |
204 | \r |
e9a13365 |
205 | if (cd_f == NULL) return 0; // let the upper level handle this\r |
f013066e |
206 | \r |
207 | if (pm_read(buf, 32, cd_f) != 32) {\r |
208 | pm_close(cd_f);\r |
e9a13365 |
209 | return -1;\r |
f013066e |
210 | }\r |
211 | \r |
9fe01b96 |
212 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r |
213 | if (type && type != CT_ISO)\r |
214 | elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r |
215 | type = CT_ISO; // Sega CD (ISO)\r |
216 | }\r |
217 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r |
218 | if (type && type != CT_BIN)\r |
219 | elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r |
220 | type = CT_BIN; // Sega CD (BIN)\r |
221 | }\r |
222 | \r |
223 | if (type == CT_UNKNOWN) {\r |
f013066e |
224 | pm_close(cd_f);\r |
225 | return 0;\r |
226 | }\r |
227 | \r |
9fe01b96 |
228 | pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r |
367b6f1f |
229 | pm_read(id_header, sizeof(id_header), cd_f);\r |
0ae25549 |
230 | \r |
f013066e |
231 | /* it seems we have a CD image here. Try to detect region now.. */\r |
9fe01b96 |
232 | pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r |
f013066e |
233 | pm_read(buf, 1, cd_f);\r |
234 | pm_close(cd_f);\r |
235 | \r |
236 | if (buf[0] == 0x64) region = 8; // EU\r |
237 | if (buf[0] == 0xa1) region = 1; // JAP\r |
238 | \r |
239 | lprintf("detected %s Sega/Mega CD image with %s region\n",\r |
9fe01b96 |
240 | type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
f013066e |
241 | \r |
242 | if (pregion != NULL) *pregion = region;\r |
243 | \r |
244 | return type;\r |
245 | }\r |
246 | \r |
2f3ca016 |
247 | static int detect_media(const char *fname)\r |
248 | {\r |
249 | static const short sms_offsets[] = { 0x7ff0, 0x3ff0, 0x1ff0 };\r |
86c1049d |
250 | static const char *sms_exts[] = { "sms", "gg", "sg" };\r |
251 | static const char *md_exts[] = { "gen", "bin", "smd" };\r |
252 | char buff0[32], buff[32];\r |
253 | unsigned short *d16;\r |
2f3ca016 |
254 | pm_file *pmf;\r |
2f3ca016 |
255 | char ext[5];\r |
256 | int i;\r |
257 | \r |
258 | get_ext(fname, ext);\r |
259 | \r |
260 | // detect wrong extensions\r |
261 | if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) // s.gz ~ .mds.gz\r |
262 | return PM_BAD;\r |
263 | \r |
264 | /* don't believe in extensions, except .cue */\r |
265 | if (strcasecmp(ext, ".cue") == 0)\r |
266 | return PM_CD;\r |
267 | \r |
268 | pmf = pm_open(fname);\r |
269 | if (pmf == NULL)\r |
270 | return PM_BAD;\r |
271 | \r |
86c1049d |
272 | if (pm_read(buff0, 32, pmf) != 32) {\r |
2f3ca016 |
273 | pm_close(pmf);\r |
274 | return PM_BAD;\r |
275 | }\r |
276 | \r |
86c1049d |
277 | if (strncasecmp("SEGADISCSYSTEM", buff0 + 0x00, 14) == 0 ||\r |
278 | strncasecmp("SEGADISCSYSTEM", buff0 + 0x10, 14) == 0) {\r |
2f3ca016 |
279 | pm_close(pmf);\r |
280 | return PM_CD;\r |
281 | }\r |
282 | \r |
86c1049d |
283 | /* check for SMD evil */\r |
284 | if (pmf->size >= 0x4200 && (pmf->size & 0x3fff) == 0x200) {\r |
285 | if (pm_seek(pmf, sms_offsets[0] + 0x200, SEEK_SET) == sms_offsets[0] + 0x200 &&\r |
286 | pm_read(buff, 16, pmf) == 16 &&\r |
287 | strncmp("TMR SEGA", buff, 8) == 0)\r |
288 | goto looks_like_sms;\r |
289 | \r |
290 | /* could parse further but don't bother */\r |
291 | goto extension_check;\r |
292 | }\r |
293 | \r |
294 | /* MD header? Act as TMSS BIOS here */\r |
295 | if (pm_seek(pmf, 0x100, SEEK_SET) == 0x100 && pm_read(buff, 16, pmf) == 16) {\r |
296 | if (strncmp(buff, "SEGA", 4) == 0 || strncmp(buff, " SEG", 4) == 0)\r |
297 | goto looks_like_md;\r |
298 | }\r |
299 | \r |
2f3ca016 |
300 | for (i = 0; i < array_size(sms_offsets); i++) {\r |
301 | if (pm_seek(pmf, sms_offsets[i], SEEK_SET) != sms_offsets[i])\r |
86c1049d |
302 | continue;\r |
2f3ca016 |
303 | \r |
304 | if (pm_read(buff, 16, pmf) != 16)\r |
86c1049d |
305 | continue;\r |
2f3ca016 |
306 | \r |
86c1049d |
307 | if (strncmp("TMR SEGA", buff, 8) == 0)\r |
308 | goto looks_like_sms;\r |
309 | }\r |
310 | \r |
311 | extension_check:\r |
312 | /* probably some headerless thing. Maybe check the extension after all. */\r |
313 | for (i = 0; i < array_size(md_exts); i++)\r |
314 | if (strcasecmp(pmf->ext, md_exts[i]) == 0)\r |
315 | goto looks_like_md;\r |
316 | \r |
317 | for (i = 0; i < array_size(sms_exts); i++)\r |
318 | if (strcasecmp(pmf->ext, sms_exts[i]) == 0)\r |
319 | goto looks_like_sms;\r |
320 | \r |
321 | /* If everything else fails, make a guess on the reset vector */\r |
322 | d16 = (unsigned short *)(buff0 + 4);\r |
323 | if ((((d16[0] << 16) | d16[1]) & 0xffffff) >= pmf->size) {\r |
324 | lprintf("bad MD reset vector, assuming SMS\n");\r |
325 | goto looks_like_sms;\r |
2f3ca016 |
326 | }\r |
327 | \r |
86c1049d |
328 | looks_like_md:\r |
2f3ca016 |
329 | pm_close(pmf);\r |
2f3ca016 |
330 | return PM_MD_CART;\r |
86c1049d |
331 | \r |
332 | looks_like_sms:\r |
333 | pm_close(pmf);\r |
334 | return PM_MARK3;\r |
2f3ca016 |
335 | }\r |
336 | \r |
ff63afa1 |
337 | static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r |
0ae25549 |
338 | {\r |
339 | char *p = dest;\r |
340 | int i;\r |
341 | \r |
342 | if (swab) swab = 1;\r |
343 | \r |
344 | for (i = len - 1; i >= 0; i--)\r |
345 | {\r |
346 | if (src[i^swab] != ' ') break;\r |
347 | }\r |
348 | len = i + 1;\r |
349 | \r |
350 | for (i = 0; i < len; i++)\r |
351 | {\r |
352 | unsigned char s = src[i^swab];\r |
353 | if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r |
354 | s != '[' && s != ']' && s != '\\')\r |
355 | {\r |
356 | *p++ = s;\r |
357 | }\r |
358 | else\r |
359 | {\r |
360 | sprintf(p, "\\%02x", s);\r |
361 | p += 3;\r |
362 | }\r |
363 | }\r |
364 | \r |
365 | return p - dest;\r |
366 | }\r |
367 | \r |
ee0f881e |
368 | static char *emu_make_rom_id(void)\r |
0ae25549 |
369 | {\r |
36f6fd5a |
370 | static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r |
8e708f92 |
371 | int pos, swab = 1;\r |
0ae25549 |
372 | \r |
dd5fd477 |
373 | if (PicoAHW & PAHW_MCD) {\r |
8e708f92 |
374 | strcpy(id_string, "CD|");\r |
375 | swab = 0;\r |
376 | }\r |
367b6f1f |
377 | else strcpy(id_string, "MD|");\r |
0ae25549 |
378 | pos = 3;\r |
379 | \r |
8e708f92 |
380 | pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r |
0ae25549 |
381 | id_string[pos] = '|'; pos++;\r |
8e708f92 |
382 | pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r |
0ae25549 |
383 | id_string[pos] = '|'; pos++;\r |
8e708f92 |
384 | pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r |
0ae25549 |
385 | id_string[pos] = 0;\r |
386 | \r |
0ae25549 |
387 | return id_string;\r |
388 | }\r |
389 | \r |
36f6fd5a |
390 | // buffer must be at least 150 byte long\r |
ee0f881e |
391 | void emu_get_game_name(char *str150)\r |
36f6fd5a |
392 | {\r |
393 | int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r |
394 | char *s, *d;\r |
395 | \r |
396 | ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r |
397 | \r |
398 | for (s = d = str150 + 1; s < str150+ret; s++)\r |
399 | {\r |
400 | if (*s == 0) break;\r |
401 | if (*s != ' ' || d[-1] != ' ')\r |
402 | *d++ = *s;\r |
403 | }\r |
404 | *d = 0;\r |
405 | }\r |
406 | \r |
ee0f881e |
407 | static void shutdown_MCD(void)\r |
408 | {\r |
409 | if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r |
410 | Stop_CD();\r |
411 | PicoAHW &= ~PAHW_MCD;\r |
412 | }\r |
413 | \r |
9efc102f |
414 | static void system_announce(void)\r |
415 | {\r |
416 | const char *sys_name, *tv_standard;\r |
417 | int fps;\r |
418 | \r |
419 | if (PicoAHW & PAHW_SMS) {\r |
420 | sys_name = "Master System";\r |
421 | } else if (PicoAHW & PAHW_PICO) {\r |
422 | sys_name = "Pico";\r |
423 | } else if (PicoAHW & PAHW_MCD) {\r |
424 | sys_name = "Mega CD";\r |
425 | if ((Pico.m.hardware & 0xc0) == 0x80)\r |
426 | sys_name = "Sega CD";\r |
427 | } else if (PicoAHW & PAHW_32X) {\r |
428 | sys_name = "32X";\r |
429 | } else {\r |
430 | sys_name = "MegaDrive";\r |
431 | if ((Pico.m.hardware & 0xc0) == 0x80)\r |
432 | sys_name = "Genesis";\r |
433 | }\r |
434 | tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r |
435 | fps = Pico.m.pal ? 50 : 60;\r |
436 | \r |
437 | emu_status_msg("%s %s / %dFPS", tv_standard, sys_name, fps);\r |
438 | }\r |
439 | \r |
36f6fd5a |
440 | // note: this function might mangle rom_fname\r |
2f3ca016 |
441 | // XXX: portions of this code should move to pico/\r |
ee0f881e |
442 | int emu_reload_rom(char *rom_fname)\r |
f013066e |
443 | {\r |
444 | unsigned int rom_size = 0;\r |
36f6fd5a |
445 | char *used_rom_name = rom_fname;\r |
144a28a0 |
446 | unsigned char *rom_data = NULL;\r |
f013066e |
447 | char ext[5];\r |
e9a13365 |
448 | pm_file *rom = NULL;\r |
2f3ca016 |
449 | int cd_state = CIT_NOT_CD;\r |
450 | int ret, media_type, cd_region;\r |
451 | int cfg_loaded = 0, bad_rom = 0;\r |
f013066e |
452 | \r |
36f6fd5a |
453 | lprintf("emu_ReloadRom(%s)\n", rom_fname);\r |
f013066e |
454 | \r |
36f6fd5a |
455 | get_ext(rom_fname, ext);\r |
f013066e |
456 | \r |
f013066e |
457 | // check for movie file\r |
144a28a0 |
458 | if (movie_data) {\r |
f013066e |
459 | free(movie_data);\r |
460 | movie_data = 0;\r |
461 | }\r |
88bfc63d |
462 | if (!strcmp(ext, ".gmv"))\r |
463 | {\r |
f013066e |
464 | // check for both gmv and rom\r |
465 | int dummy;\r |
36f6fd5a |
466 | FILE *movie_file = fopen(rom_fname, "rb");\r |
5f7b5155 |
467 | if (!movie_file) {\r |
3ffee69c |
468 | me_update_msg("Failed to open movie.");\r |
f013066e |
469 | return 0;\r |
470 | }\r |
471 | fseek(movie_file, 0, SEEK_END);\r |
472 | movie_size = ftell(movie_file);\r |
473 | fseek(movie_file, 0, SEEK_SET);\r |
5f7b5155 |
474 | if (movie_size < 64+3) {\r |
3ffee69c |
475 | me_update_msg("Invalid GMV file.");\r |
f013066e |
476 | fclose(movie_file);\r |
477 | return 0;\r |
478 | }\r |
479 | movie_data = malloc(movie_size);\r |
5f7b5155 |
480 | if (movie_data == NULL) {\r |
3ffee69c |
481 | me_update_msg("low memory.");\r |
f013066e |
482 | fclose(movie_file);\r |
483 | return 0;\r |
484 | }\r |
5f7b5155 |
485 | dummy = fread(movie_data, 1, movie_size, movie_file);\r |
f013066e |
486 | fclose(movie_file);\r |
487 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
3ffee69c |
488 | me_update_msg("Invalid GMV file.");\r |
f013066e |
489 | return 0;\r |
490 | }\r |
36f6fd5a |
491 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
f013066e |
492 | if (!dummy) {\r |
3ffee69c |
493 | me_update_msg("Could't find a ROM for movie.");\r |
f013066e |
494 | return 0;\r |
495 | }\r |
36f6fd5a |
496 | get_ext(rom_fname, ext);\r |
61f66fe0 |
497 | lprintf("gmv loaded for %s\n", rom_fname);\r |
f013066e |
498 | }\r |
36f6fd5a |
499 | else if (!strcmp(ext, ".pat"))\r |
500 | {\r |
f013066e |
501 | int dummy;\r |
36f6fd5a |
502 | PicoPatchLoad(rom_fname);\r |
503 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
f013066e |
504 | if (!dummy) {\r |
3ffee69c |
505 | me_update_msg("Could't find a ROM to patch.");\r |
f013066e |
506 | return 0;\r |
507 | }\r |
36f6fd5a |
508 | get_ext(rom_fname, ext);\r |
f013066e |
509 | }\r |
510 | \r |
2f3ca016 |
511 | media_type = detect_media(rom_fname);\r |
512 | if (media_type == PM_BAD) {\r |
513 | me_update_msg("Not a ROM/CD img selected.");\r |
514 | return 0;\r |
515 | }\r |
516 | \r |
ee0f881e |
517 | shutdown_MCD();\r |
2f3ca016 |
518 | PicoPatchUnload();\r |
81bfc1c5 |
519 | PicoCartUnload();\r |
520 | rom_loaded = 0;\r |
521 | \r |
86c1049d |
522 | PicoAHW = 0;\r |
f013066e |
523 | \r |
2f3ca016 |
524 | if (media_type == PM_CD)\r |
f013066e |
525 | {\r |
2f3ca016 |
526 | // check for MegaCD image\r |
527 | cd_state = emu_cd_check(&cd_region, rom_fname);\r |
528 | if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r |
529 | {\r |
530 | // valid CD image, check for BIOS..\r |
f013066e |
531 | \r |
2f3ca016 |
532 | // we need to have config loaded at this point\r |
533 | ret = emu_read_config(1, 0);\r |
534 | if (!ret) emu_read_config(0, 0);\r |
535 | cfg_loaded = 1;\r |
f013066e |
536 | \r |
2f3ca016 |
537 | if (PicoRegionOverride) {\r |
538 | cd_region = PicoRegionOverride;\r |
539 | lprintf("override region to %s\n", cd_region != 4 ?\r |
540 | (cd_region == 8 ? "EU" : "JAP") : "USA");\r |
541 | }\r |
542 | if (!find_bios(cd_region, &used_rom_name))\r |
543 | return 0;\r |
544 | \r |
545 | get_ext(used_rom_name, ext);\r |
546 | PicoAHW |= PAHW_MCD;\r |
f013066e |
547 | }\r |
2f3ca016 |
548 | else {\r |
549 | me_update_msg("Invalid CD image");\r |
f013066e |
550 | return 0;\r |
551 | }\r |
f013066e |
552 | }\r |
2f3ca016 |
553 | else if (media_type == PM_MARK3) {\r |
554 | lprintf("detected SMS ROM\n");\r |
555 | PicoAHW = PAHW_SMS;\r |
f013066e |
556 | }\r |
557 | \r |
558 | rom = pm_open(used_rom_name);\r |
2f3ca016 |
559 | if (rom == NULL) {\r |
560 | me_update_msg("Failed to open ROM");\r |
561 | return 0;\r |
f013066e |
562 | }\r |
563 | \r |
a6df06b7 |
564 | menu_romload_prepare(used_rom_name); // also CD load\r |
6c026031 |
565 | used_rom_name = NULL; // uses static_buff\r |
f013066e |
566 | \r |
2f3ca016 |
567 | ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0);\r |
568 | pm_close(rom);\r |
569 | if (ret != 0) {\r |
3ffee69c |
570 | if (ret == 2) me_update_msg("Out of memory");\r |
571 | else if (ret == 3) me_update_msg("Read failed");\r |
572 | else me_update_msg("PicoCartLoad() failed.");\r |
2f3ca016 |
573 | goto fail;\r |
574 | }\r |
575 | \r |
576 | // detect wrong files\r |
577 | if (strncmp((char *)rom_data, "Pico", 4) == 0)\r |
578 | bad_rom = 1;\r |
579 | else if (!(PicoAHW & PAHW_SMS)) {\r |
580 | unsigned short *d = (unsigned short *)(rom_data + 4);\r |
581 | if ((((d[0] << 16) | d[1]) & 0xffffff) >= (int)rom_size) {\r |
582 | lprintf("bad reset vector\n");\r |
583 | bad_rom = 1;\r |
584 | }\r |
f013066e |
585 | }\r |
f013066e |
586 | \r |
2f3ca016 |
587 | if (bad_rom) {\r |
588 | me_update_msg("Bad ROM detected.");\r |
589 | goto fail;\r |
f013066e |
590 | }\r |
591 | \r |
592 | // load config for this ROM (do this before insert to get correct region)\r |
dd5fd477 |
593 | if (!(PicoAHW & PAHW_MCD))\r |
367b6f1f |
594 | memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r |
f013066e |
595 | if (!cfg_loaded) {\r |
4bd165c8 |
596 | ret = emu_read_config(1, 0);\r |
597 | if (!ret) emu_read_config(0, 0);\r |
f013066e |
598 | }\r |
599 | \r |
6c026031 |
600 | emu_make_path(static_buff, "carthw.cfg", sizeof(static_buff));\r |
601 | if (PicoCartInsert(rom_data, rom_size, static_buff)) {\r |
3ffee69c |
602 | me_update_msg("Failed to load ROM.");\r |
2f3ca016 |
603 | goto fail;\r |
f013066e |
604 | }\r |
605 | \r |
f013066e |
606 | // insert CD if it was detected\r |
1ceda417 |
607 | if (cd_state != CIT_NOT_CD) {\r |
36f6fd5a |
608 | ret = Insert_CD(rom_fname, cd_state);\r |
f013066e |
609 | if (ret != 0) {\r |
2f3ca016 |
610 | PicoCartUnload();\r |
611 | rom_data = NULL; // freed by unload\r |
3ffee69c |
612 | me_update_msg("Insert_CD() failed, invalid CD image?");\r |
2f3ca016 |
613 | goto fail;\r |
f013066e |
614 | }\r |
615 | }\r |
616 | \r |
a6df06b7 |
617 | menu_romload_end();\r |
618 | \r |
f013066e |
619 | if (PicoPatches) {\r |
620 | PicoPatchPrepare();\r |
621 | PicoPatchApply();\r |
622 | }\r |
623 | \r |
624 | // additional movie stuff\r |
e9a13365 |
625 | if (movie_data)\r |
626 | {\r |
627 | if (movie_data[0x14] == '6')\r |
dd5fd477 |
628 | PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r |
629 | else PicoOpt &= ~POPT_6BTN_PAD;\r |
a4790056 |
630 | PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r |
e9a13365 |
631 | if (movie_data[0xF] >= 'A') {\r |
632 | if (movie_data[0x16] & 0x80) {\r |
f013066e |
633 | PicoRegionOverride = 8;\r |
634 | } else {\r |
635 | PicoRegionOverride = 4;\r |
636 | }\r |
8d5cb10d |
637 | PicoReset();\r |
f013066e |
638 | // TODO: bits 6 & 5\r |
639 | }\r |
640 | movie_data[0x18+30] = 0;\r |
b5bfb864 |
641 | emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r |
f013066e |
642 | }\r |
643 | else\r |
644 | {\r |
9efc102f |
645 | system_announce();\r |
dd5fd477 |
646 | PicoOpt &= ~POPT_DIS_VDP_FIFO;\r |
f013066e |
647 | }\r |
f013066e |
648 | \r |
85bd209c |
649 | strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r |
650 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
651 | rom_loaded = 1;\r |
652 | \r |
f013066e |
653 | // load SRAM for this ROM\r |
ee0f881e |
654 | if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r |
655 | emu_save_load_game(1, 1);\r |
f013066e |
656 | \r |
657 | return 1;\r |
e9a13365 |
658 | \r |
e9a13365 |
659 | fail:\r |
2f3ca016 |
660 | if (rom_data)\r |
661 | free(rom_data);\r |
662 | menu_romload_end();\r |
e9a13365 |
663 | return 0;\r |
f013066e |
664 | }\r |
665 | \r |
6b8796e2 |
666 | int emu_swap_cd(const char *fname)\r |
667 | {\r |
668 | cd_img_type cd_type;\r |
669 | int ret = -1;\r |
670 | \r |
671 | cd_type = emu_cd_check(NULL, fname);\r |
672 | if (cd_type != CIT_NOT_CD)\r |
673 | ret = Insert_CD(fname, cd_type);\r |
674 | if (ret != 0) {\r |
675 | me_update_msg("Load failed, invalid CD image?");\r |
676 | return 0;\r |
677 | }\r |
678 | \r |
679 | strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r |
680 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
681 | return 1;\r |
682 | }\r |
683 | \r |
f013066e |
684 | static void romfname_ext(char *dst, const char *prefix, const char *ext)\r |
685 | {\r |
686 | char *p;\r |
687 | int prefix_len = 0;\r |
688 | \r |
689 | // make save filename\r |
049a6b3e |
690 | p = rom_fname_loaded + strlen(rom_fname_loaded) - 1;\r |
691 | for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;\r |
f013066e |
692 | *dst = 0;\r |
693 | if (prefix) {\r |
93c18cb4 |
694 | int len = plat_get_root_dir(dst, 512);\r |
36f6fd5a |
695 | strcpy(dst + len, prefix);\r |
696 | prefix_len = len + strlen(prefix);\r |
f013066e |
697 | }\r |
36f6fd5a |
698 | #ifdef UIQ3\r |
049a6b3e |
699 | else p = rom_fname_loaded; // backward compatibility\r |
36f6fd5a |
700 | #endif\r |
f013066e |
701 | strncpy(dst + prefix_len, p, 511-prefix_len);\r |
702 | dst[511-8] = 0;\r |
703 | if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r |
704 | if (ext) strcat(dst, ext);\r |
705 | }\r |
706 | \r |
6c026031 |
707 | // <base dir><end>\r |
45deb409 |
708 | void emu_make_path(char *buff, const char *end, int size)\r |
2b1fd520 |
709 | {\r |
45deb409 |
710 | int pos, end_len;\r |
711 | \r |
712 | end_len = strlen(end);\r |
713 | pos = plat_get_root_dir(buff, size);\r |
714 | strncpy(buff + pos, end, size - pos);\r |
715 | buff[size - 1] = 0;\r |
716 | if (pos + end_len > size - 1)\r |
717 | lprintf("Warning: path truncated: %s\n", buff);\r |
718 | }\r |
719 | \r |
720 | static void make_config_cfg(char *cfg_buff_512)\r |
721 | {\r |
722 | emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r |
2b1fd520 |
723 | if (config_slot != 0)\r |
724 | {\r |
45deb409 |
725 | char *p = strrchr(cfg_buff_512, '.');\r |
726 | if (p == NULL)\r |
727 | p = cfg_buff_512 + strlen(cfg_buff_512);\r |
2b1fd520 |
728 | sprintf(p, ".%i.cfg", config_slot);\r |
729 | }\r |
45deb409 |
730 | cfg_buff_512[511] = 0;\r |
2b1fd520 |
731 | }\r |
732 | \r |
d2f29611 |
733 | void emu_prep_defconfig(void)\r |
734 | {\r |
735 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
736 | defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;\r |
737 | defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r |
738 | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES |\r |
739 | POPT_EN_32X|POPT_EN_PWM;\r |
740 | defaultConfig.s_PsndRate = 44100;\r |
741 | defaultConfig.s_PicoRegion = 0; // auto\r |
742 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
743 | defaultConfig.s_PicoCDBuffers = 0;\r |
744 | defaultConfig.Frameskip = -1; // auto\r |
745 | defaultConfig.volume = 50;\r |
746 | defaultConfig.gamma = 100;\r |
747 | defaultConfig.scaling = 0;\r |
748 | defaultConfig.turbo_rate = 15;\r |
749 | \r |
750 | // platform specific overrides\r |
751 | pemu_prep_defconfig();\r |
752 | }\r |
753 | \r |
9ecdd73a |
754 | void emu_set_defconfig(void)\r |
36f6fd5a |
755 | {\r |
ee0f881e |
756 | memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));\r |
36f6fd5a |
757 | PicoOpt = currentConfig.s_PicoOpt;\r |
758 | PsndRate = currentConfig.s_PsndRate;\r |
759 | PicoRegionOverride = currentConfig.s_PicoRegion;\r |
760 | PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r |
761 | PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r |
762 | }\r |
763 | \r |
ee0f881e |
764 | int emu_read_config(int game, int no_defaults)\r |
f013066e |
765 | {\r |
0ae25549 |
766 | char cfg[512];\r |
0ae25549 |
767 | int ret;\r |
f013066e |
768 | \r |
4bd165c8 |
769 | if (!no_defaults)\r |
770 | emu_set_defconfig();\r |
771 | \r |
f013066e |
772 | if (!game)\r |
773 | {\r |
2b1fd520 |
774 | make_config_cfg(cfg);\r |
0ae25549 |
775 | ret = config_readsect(cfg, NULL);\r |
f013066e |
776 | }\r |
0ae25549 |
777 | else\r |
778 | {\r |
ee0f881e |
779 | char *sect = emu_make_rom_id();\r |
f013066e |
780 | \r |
0ae25549 |
781 | // try new .cfg way\r |
782 | if (config_slot != 0)\r |
783 | sprintf(cfg, "game.%i.cfg", config_slot);\r |
784 | else strcpy(cfg, "game.cfg");\r |
367b6f1f |
785 | \r |
786 | ret = -1;\r |
2b1fd520 |
787 | if (config_havesect(cfg, sect))\r |
788 | {\r |
789 | // read user's config\r |
67dfdf5f |
790 | int vol = currentConfig.volume;\r |
9ecdd73a |
791 | emu_set_defconfig();\r |
367b6f1f |
792 | ret = config_readsect(cfg, sect);\r |
67dfdf5f |
793 | currentConfig.volume = vol; // make vol global (bah)\r |
367b6f1f |
794 | }\r |
558d8e1f |
795 | else\r |
2b1fd520 |
796 | {\r |
797 | // read global config, and apply game_def.cfg on top\r |
798 | make_config_cfg(cfg);\r |
799 | config_readsect(cfg, NULL);\r |
0c2e114e |
800 | emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r |
801 | ret = config_readsect(cfg, sect);\r |
2b1fd520 |
802 | }\r |
0ae25549 |
803 | \r |
36f6fd5a |
804 | if (ret == 0)\r |
0ae25549 |
805 | {\r |
367b6f1f |
806 | lprintf("loaded cfg from sect \"%s\"\n", sect);\r |
0ae25549 |
807 | }\r |
f013066e |
808 | }\r |
0ae25549 |
809 | \r |
d2f29611 |
810 | pemu_validate_config();\r |
fa8d1331 |
811 | \r |
f013066e |
812 | // some sanity checks\r |
93c0d147 |
813 | #ifdef PSP\r |
fa8d1331 |
814 | /* TODO: mv to plat_validate_config() */\r |
815 | if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
93c0d147 |
816 | if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r |
960a8e27 |
817 | if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r |
93c0d147 |
818 | #endif\r |
fa8d1331 |
819 | if (currentConfig.volume < 0 || currentConfig.volume > 99)\r |
820 | currentConfig.volume = 50;\r |
821 | \r |
822 | if (ret == 0)\r |
823 | config_slot_current = config_slot;\r |
82abf46f |
824 | \r |
0ae25549 |
825 | return (ret == 0);\r |
f013066e |
826 | }\r |
827 | \r |
828 | \r |
ee0f881e |
829 | int emu_write_config(int is_game)\r |
f013066e |
830 | {\r |
0ae25549 |
831 | char cfg[512], *game_sect = NULL;\r |
832 | int ret, write_lrom = 0;\r |
f013066e |
833 | \r |
0ae25549 |
834 | if (!is_game)\r |
f013066e |
835 | {\r |
36f6fd5a |
836 | make_config_cfg(cfg);\r |
0ae25549 |
837 | write_lrom = 1;\r |
f013066e |
838 | } else {\r |
839 | if (config_slot != 0)\r |
0ae25549 |
840 | sprintf(cfg, "game.%i.cfg", config_slot);\r |
841 | else strcpy(cfg, "game.cfg");\r |
ee0f881e |
842 | game_sect = emu_make_rom_id();\r |
843 | lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r |
f013066e |
844 | }\r |
845 | \r |
ee0f881e |
846 | lprintf("emu_write_config: %s ", cfg);\r |
0ae25549 |
847 | ret = config_writesect(cfg, game_sect);\r |
367b6f1f |
848 | if (write_lrom) config_writelrom(cfg);\r |
f013066e |
849 | #ifndef NO_SYNC\r |
0ae25549 |
850 | sync();\r |
f013066e |
851 | #endif\r |
0ae25549 |
852 | lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r |
f013066e |
853 | \r |
0ae25549 |
854 | if (ret == 0) config_slot_current = config_slot;\r |
855 | return ret == 0;\r |
f013066e |
856 | }\r |
857 | \r |
858 | \r |
e31266dd |
859 | /* always using built-in font */\r |
860 | \r |
b7911801 |
861 | #define mk_text_out(name, type, val, topleft, step_x, step_y) \\r |
e31266dd |
862 | void name(int x, int y, const char *text) \\r |
863 | { \\r |
864 | int i, l, len = strlen(text); \\r |
b7911801 |
865 | type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r |
e31266dd |
866 | \\r |
b7911801 |
867 | for (i = 0; i < len; i++, screen += 8 * step_x) \\r |
e31266dd |
868 | { \\r |
869 | for (l = 0; l < 8; l++) \\r |
870 | { \\r |
871 | unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r |
b7911801 |
872 | type *s = screen + l * step_y; \\r |
873 | if (fd&0x80) s[step_x * 0] = val; \\r |
874 | if (fd&0x40) s[step_x * 1] = val; \\r |
875 | if (fd&0x20) s[step_x * 2] = val; \\r |
876 | if (fd&0x10) s[step_x * 3] = val; \\r |
877 | if (fd&0x08) s[step_x * 4] = val; \\r |
878 | if (fd&0x04) s[step_x * 5] = val; \\r |
879 | if (fd&0x02) s[step_x * 6] = val; \\r |
880 | if (fd&0x01) s[step_x * 7] = val; \\r |
e31266dd |
881 | } \\r |
882 | } \\r |
f013066e |
883 | }\r |
884 | \r |
b7911801 |
885 | mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r |
886 | mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r |
887 | mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r |
888 | (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
889 | mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r |
890 | (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
f013066e |
891 | \r |
e31266dd |
892 | #undef mk_text_out\r |
f013066e |
893 | \r |
894 | \r |
388947f3 |
895 | void update_movie(void)\r |
f013066e |
896 | {\r |
897 | int offs = Pico.m.frame_count*3 + 0x40;\r |
898 | if (offs+3 > movie_size) {\r |
899 | free(movie_data);\r |
900 | movie_data = 0;\r |
b5bfb864 |
901 | emu_status_msg("END OF MOVIE.");\r |
f013066e |
902 | lprintf("END OF MOVIE.\n");\r |
f013066e |
903 | } else {\r |
904 | // MXYZ SACB RLDU\r |
905 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
61f66fe0 |
906 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r |
907 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r |
908 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r |
f013066e |
909 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
61f66fe0 |
910 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r |
911 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r |
912 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r |
f013066e |
913 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
914 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
915 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
916 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
917 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
918 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
919 | }\r |
920 | }\r |
921 | \r |
f013066e |
922 | static int try_ropen_file(const char *fname)\r |
923 | {\r |
924 | FILE *f;\r |
925 | \r |
926 | f = fopen(fname, "rb");\r |
927 | if (f) {\r |
928 | fclose(f);\r |
929 | return 1;\r |
930 | }\r |
931 | return 0;\r |
932 | }\r |
933 | \r |
ee0f881e |
934 | char *emu_get_save_fname(int load, int is_sram, int slot)\r |
f013066e |
935 | {\r |
6c026031 |
936 | char *saveFname = static_buff;\r |
f013066e |
937 | char ext[16];\r |
938 | \r |
939 | if (is_sram)\r |
940 | {\r |
609d0c07 |
941 | strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r |
942 | romfname_ext(saveFname, (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r |
943 | if (!load)\r |
944 | return saveFname;\r |
945 | \r |
946 | if (try_ropen_file(saveFname))\r |
947 | return saveFname;\r |
948 | \r |
949 | romfname_ext(saveFname, NULL, ext);\r |
950 | if (try_ropen_file(saveFname))\r |
951 | return saveFname;\r |
f013066e |
952 | }\r |
953 | else\r |
954 | {\r |
609d0c07 |
955 | const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r |
956 | const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r |
f013066e |
957 | ext[0] = 0;\r |
609d0c07 |
958 | if (slot > 0 && slot < 10)\r |
959 | sprintf(ext, ".%i", slot);\r |
960 | strcat(ext, ext_main);\r |
961 | \r |
962 | if (!load) {\r |
963 | romfname_ext(saveFname, "mds" PATH_SEP, ext);\r |
964 | return saveFname;\r |
965 | }\r |
966 | else {\r |
967 | romfname_ext(saveFname, "mds" PATH_SEP, ext);\r |
968 | if (try_ropen_file(saveFname))\r |
969 | return saveFname;\r |
f013066e |
970 | \r |
f013066e |
971 | romfname_ext(saveFname, NULL, ext);\r |
609d0c07 |
972 | if (try_ropen_file(saveFname))\r |
973 | return saveFname;\r |
974 | \r |
975 | // try the other ext\r |
976 | ext[0] = 0;\r |
977 | if (slot > 0 && slot < 10)\r |
978 | sprintf(ext, ".%i", slot);\r |
979 | strcat(ext, ext_othr);\r |
980 | \r |
981 | romfname_ext(saveFname, "mds"PATH_SEP, ext);\r |
982 | if (try_ropen_file(saveFname))\r |
983 | return saveFname;\r |
f013066e |
984 | }\r |
985 | }\r |
986 | \r |
609d0c07 |
987 | return NULL;\r |
f013066e |
988 | }\r |
989 | \r |
ee0f881e |
990 | int emu_check_save_file(int slot)\r |
f013066e |
991 | {\r |
ee0f881e |
992 | return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r |
f013066e |
993 | }\r |
994 | \r |
ee0f881e |
995 | int emu_save_load_game(int load, int sram)\r |
f013066e |
996 | {\r |
997 | int ret = 0;\r |
998 | char *saveFname;\r |
999 | \r |
1000 | // make save filename\r |
ee0f881e |
1001 | saveFname = emu_get_save_fname(load, sram, state_slot);\r |
f013066e |
1002 | if (saveFname == NULL) {\r |
388947f3 |
1003 | if (!sram)\r |
b5bfb864 |
1004 | emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r |
f013066e |
1005 | return -1;\r |
1006 | }\r |
1007 | \r |
1008 | lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
1009 | \r |
11f4e722 |
1010 | if (sram)\r |
1011 | {\r |
f013066e |
1012 | FILE *sramFile;\r |
1013 | int sram_size;\r |
1014 | unsigned char *sram_data;\r |
1015 | int truncate = 1;\r |
dd5fd477 |
1016 | if (PicoAHW & PAHW_MCD)\r |
1017 | {\r |
a4bd56c6 |
1018 | if (PicoOpt & POPT_EN_MCD_RAMCART) {\r |
f013066e |
1019 | sram_size = 0x12000;\r |
1020 | sram_data = SRam.data;\r |
1021 | if (sram_data)\r |
1022 | memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r |
1023 | } else {\r |
1024 | sram_size = 0x2000;\r |
1025 | sram_data = Pico_mcd->bram;\r |
1026 | truncate = 0; // the .brm may contain RAM cart data after normal brm\r |
1027 | }\r |
1028 | } else {\r |
a4bd56c6 |
1029 | sram_size = SRam.size;\r |
f013066e |
1030 | sram_data = SRam.data;\r |
1031 | }\r |
5f7b5155 |
1032 | if (sram_data == NULL)\r |
1033 | return 0; // SRam forcefully disabled for this game\r |
f013066e |
1034 | \r |
dd5fd477 |
1035 | if (load)\r |
1036 | {\r |
f013066e |
1037 | sramFile = fopen(saveFname, "rb");\r |
5f7b5155 |
1038 | if (!sramFile)\r |
1039 | return -1;\r |
1040 | ret = fread(sram_data, 1, sram_size, sramFile);\r |
1041 | ret = ret > 0 ? 0 : -1;\r |
f013066e |
1042 | fclose(sramFile);\r |
dd5fd477 |
1043 | if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r |
f013066e |
1044 | memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r |
1045 | } else {\r |
1046 | // sram save needs some special processing\r |
1047 | // see if we have anything to save\r |
1048 | for (; sram_size > 0; sram_size--)\r |
1049 | if (sram_data[sram_size-1]) break;\r |
1050 | \r |
1051 | if (sram_size) {\r |
1052 | sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r |
1053 | if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r |
1054 | if (!sramFile) return -1;\r |
1055 | ret = fwrite(sram_data, 1, sram_size, sramFile);\r |
1056 | ret = (ret != sram_size) ? -1 : 0;\r |
1057 | fclose(sramFile);\r |
1058 | #ifndef NO_SYNC\r |
1059 | sync();\r |
1060 | #endif\r |
1061 | }\r |
1062 | }\r |
1063 | return ret;\r |
1064 | }\r |
1065 | else\r |
1066 | {\r |
85bd209c |
1067 | ret = PicoState(saveFname, !load);\r |
1068 | if (!ret) {\r |
f013066e |
1069 | #ifndef NO_SYNC\r |
85bd209c |
1070 | if (!load) sync();\r |
f013066e |
1071 | #endif\r |
22b2271a |
1072 | emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r |
85bd209c |
1073 | } else {\r |
b5bfb864 |
1074 | emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r |
f013066e |
1075 | ret = -1;\r |
1076 | }\r |
1077 | \r |
f013066e |
1078 | return ret;\r |
1079 | }\r |
1080 | }\r |
8e708f92 |
1081 | \r |
ee0f881e |
1082 | void emu_set_fastforward(int set_on)\r |
8a091e48 |
1083 | {\r |
1084 | static void *set_PsndOut = NULL;\r |
1085 | static int set_Frameskip, set_EmuOpt, is_on = 0;\r |
1086 | \r |
1087 | if (set_on && !is_on) {\r |
1088 | set_PsndOut = PsndOut;\r |
1089 | set_Frameskip = currentConfig.Frameskip;\r |
1090 | set_EmuOpt = currentConfig.EmuOpt;\r |
1091 | PsndOut = NULL;\r |
1092 | currentConfig.Frameskip = 8;\r |
1093 | currentConfig.EmuOpt &= ~4;\r |
1094 | currentConfig.EmuOpt |= 0x40000;\r |
1095 | is_on = 1;\r |
b5bfb864 |
1096 | emu_status_msg("FAST FORWARD");\r |
8a091e48 |
1097 | }\r |
1098 | else if (!set_on && is_on) {\r |
1099 | PsndOut = set_PsndOut;\r |
1100 | currentConfig.Frameskip = set_Frameskip;\r |
1101 | currentConfig.EmuOpt = set_EmuOpt;\r |
1102 | PsndRerate(1);\r |
1103 | is_on = 0;\r |
1104 | }\r |
1105 | }\r |
1106 | \r |
0f4090a9 |
1107 | static void emu_tray_open(void)\r |
8a091e48 |
1108 | {\r |
0f4090a9 |
1109 | engineState = PGS_TrayMenu;\r |
1110 | }\r |
1111 | \r |
1112 | static void emu_tray_close(void)\r |
1113 | {\r |
1114 | emu_status_msg("CD tray closed.");\r |
93c18cb4 |
1115 | }\r |
1116 | \r |
9efc102f |
1117 | void emu_32x_startup(void)\r |
1118 | {\r |
1119 | plat_video_toggle_renderer(0, 1, 0);\r |
1120 | system_announce();\r |
1121 | }\r |
1122 | \r |
93c18cb4 |
1123 | void emu_reset_game(void)\r |
1124 | {\r |
1125 | PicoReset();\r |
1126 | reset_timing = 1;\r |
1127 | }\r |
1128 | \r |
1129 | void run_events_pico(unsigned int events)\r |
1130 | {\r |
1131 | int lim_x;\r |
1132 | \r |
1133 | if (events & PEV_PICO_SWINP) {\r |
8a091e48 |
1134 | pico_inp_mode++;\r |
388947f3 |
1135 | if (pico_inp_mode > 2)\r |
1136 | pico_inp_mode = 0;\r |
8a091e48 |
1137 | switch (pico_inp_mode) {\r |
b5bfb864 |
1138 | case 2: emu_status_msg("Input: Pen on Pad"); break;\r |
1139 | case 1: emu_status_msg("Input: Pen on Storyware"); break;\r |
1140 | case 0: emu_status_msg("Input: Joystick");\r |
8a091e48 |
1141 | PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
1142 | break;\r |
1143 | }\r |
8a091e48 |
1144 | }\r |
93c18cb4 |
1145 | if (events & PEV_PICO_PPREV) {\r |
8a091e48 |
1146 | PicoPicohw.page--;\r |
388947f3 |
1147 | if (PicoPicohw.page < 0)\r |
1148 | PicoPicohw.page = 0;\r |
b5bfb864 |
1149 | emu_status_msg("Page %i", PicoPicohw.page);\r |
8a091e48 |
1150 | }\r |
93c18cb4 |
1151 | if (events & PEV_PICO_PNEXT) {\r |
8a091e48 |
1152 | PicoPicohw.page++;\r |
388947f3 |
1153 | if (PicoPicohw.page > 6)\r |
1154 | PicoPicohw.page = 6;\r |
b5bfb864 |
1155 | emu_status_msg("Page %i", PicoPicohw.page);\r |
8a091e48 |
1156 | }\r |
93c18cb4 |
1157 | \r |
1158 | if (pico_inp_mode == 0)\r |
1159 | return;\r |
1160 | \r |
1161 | /* handle other input modes */\r |
1162 | if (PicoPad[0] & 1) pico_pen_y--;\r |
1163 | if (PicoPad[0] & 2) pico_pen_y++;\r |
1164 | if (PicoPad[0] & 4) pico_pen_x--;\r |
1165 | if (PicoPad[0] & 8) pico_pen_x++;\r |
1166 | PicoPad[0] &= ~0x0f; // release UDLR\r |
1167 | \r |
1168 | lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r |
1169 | if (pico_pen_y < 8)\r |
1170 | pico_pen_y = 8;\r |
1171 | if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r |
1172 | pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r |
1173 | if (pico_pen_x < 0)\r |
1174 | pico_pen_x = 0;\r |
1175 | if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r |
1176 | pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r |
1177 | \r |
1178 | PicoPicohw.pen_pos[0] = pico_pen_x;\r |
1179 | if (!(Pico.video.reg[12] & 1))\r |
1180 | PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r |
1181 | PicoPicohw.pen_pos[0] += 0x3c;\r |
1182 | PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r |
8a091e48 |
1183 | }\r |
1184 | \r |
388947f3 |
1185 | static void do_turbo(int *pad, int acts)\r |
6589c840 |
1186 | {\r |
1187 | static int turbo_pad = 0;\r |
1188 | static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r |
1189 | int inc = currentConfig.turbo_rate * 2;\r |
1190 | \r |
1191 | if (acts & 0x1000) {\r |
1192 | turbo_cnt[0] += inc;\r |
1193 | if (turbo_cnt[0] >= 60)\r |
1194 | turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r |
1195 | }\r |
1196 | if (acts & 0x2000) {\r |
1197 | turbo_cnt[1] += inc;\r |
1198 | if (turbo_cnt[1] >= 60)\r |
1199 | turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r |
1200 | }\r |
1201 | if (acts & 0x4000) {\r |
1202 | turbo_cnt[2] += inc;\r |
1203 | if (turbo_cnt[2] >= 60)\r |
1204 | turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r |
1205 | }\r |
1206 | *pad |= turbo_pad & (acts >> 8);\r |
1207 | }\r |
8a091e48 |
1208 | \r |
93c18cb4 |
1209 | static void run_events_ui(unsigned int which)\r |
388947f3 |
1210 | {\r |
1211 | if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r |
1212 | {\r |
1213 | int do_it = 1;\r |
ee0f881e |
1214 | if ( emu_check_save_file(state_slot) &&\r |
388947f3 |
1215 | (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||\r |
1216 | ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )\r |
1217 | {\r |
1218 | const char *nm;\r |
1219 | char tmp[64];\r |
1220 | int keys, len;\r |
1221 | \r |
1222 | strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r |
1223 | len = strlen(tmp);\r |
1224 | nm = in_get_key_name(-1, -PBTN_MA3);\r |
1225 | snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r |
1226 | len = strlen(tmp);\r |
1227 | nm = in_get_key_name(-1, -PBTN_MBACK);\r |
1228 | snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r |
1229 | \r |
1230 | plat_status_msg_busy_first(tmp);\r |
1231 | \r |
1232 | in_set_blocking(1);\r |
1233 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r |
1234 | ;\r |
1235 | while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )\r |
1236 | ;\r |
1237 | if (keys & PBTN_MBACK)\r |
1238 | do_it = 0;\r |
1239 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r |
1240 | ;\r |
1241 | in_set_blocking(0);\r |
1242 | }\r |
1243 | if (do_it) {\r |
22b2271a |
1244 | plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r |
388947f3 |
1245 | PicoStateProgressCB = plat_status_msg_busy_next;\r |
ee0f881e |
1246 | emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r |
388947f3 |
1247 | PicoStateProgressCB = NULL;\r |
1248 | }\r |
1249 | }\r |
9efc102f |
1250 | if ((which & PEV_SWITCH_RND) && !(PicoAHW & PAHW_32X))\r |
388947f3 |
1251 | {\r |
9efc102f |
1252 | plat_video_toggle_renderer(1, 0, 0);\r |
388947f3 |
1253 | }\r |
1254 | if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r |
1255 | {\r |
1256 | if (which & PEV_SSLOT_PREV) {\r |
1257 | state_slot -= 1;\r |
1258 | if (state_slot < 0)\r |
1259 | state_slot = 9;\r |
1260 | } else {\r |
1261 | state_slot += 1;\r |
1262 | if (state_slot > 9)\r |
1263 | state_slot = 0;\r |
1264 | }\r |
1265 | \r |
b5bfb864 |
1266 | emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r |
ee0f881e |
1267 | emu_check_save_file(state_slot) ? "USED" : "FREE");\r |
388947f3 |
1268 | }\r |
1269 | if (which & PEV_MENU)\r |
1270 | engineState = PGS_Menu;\r |
1271 | }\r |
1272 | \r |
1273 | void emu_update_input(void)\r |
1274 | {\r |
8e77275e |
1275 | static int prev_events = 0;\r |
1276 | int actions[IN_BINDTYPE_COUNT] = { 0, };\r |
1277 | int pl_actions[2];\r |
1278 | int events;\r |
388947f3 |
1279 | \r |
8e77275e |
1280 | in_update(actions);\r |
388947f3 |
1281 | \r |
8e77275e |
1282 | pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r |
1283 | pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r |
388947f3 |
1284 | \r |
8e77275e |
1285 | PicoPad[0] = pl_actions[0] & 0xfff;\r |
1286 | PicoPad[1] = pl_actions[1] & 0xfff;\r |
388947f3 |
1287 | \r |
8e77275e |
1288 | if (pl_actions[0] & 0x7000)\r |
1289 | do_turbo(&PicoPad[0], pl_actions[0]);\r |
1290 | if (pl_actions[1] & 0x7000)\r |
1291 | do_turbo(&PicoPad[1], pl_actions[1]);\r |
1292 | \r |
1293 | events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
388947f3 |
1294 | \r |
1295 | // volume is treated in special way and triggered every frame\r |
1296 | if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r |
1297 | plat_update_volume(1, events & PEV_VOL_UP);\r |
1298 | \r |
8e77275e |
1299 | if ((events ^ prev_events) & PEV_FF) {\r |
ee0f881e |
1300 | emu_set_fastforward(events & PEV_FF);\r |
388947f3 |
1301 | plat_update_volume(0, 0);\r |
93c18cb4 |
1302 | reset_timing = 1;\r |
388947f3 |
1303 | }\r |
1304 | \r |
8e77275e |
1305 | events &= ~prev_events;\r |
388947f3 |
1306 | \r |
93c18cb4 |
1307 | if (PicoAHW == PAHW_PICO)\r |
1308 | run_events_pico(events);\r |
388947f3 |
1309 | if (events)\r |
93c18cb4 |
1310 | run_events_ui(events);\r |
388947f3 |
1311 | if (movie_data)\r |
1312 | update_movie();\r |
1313 | \r |
8e77275e |
1314 | prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
388947f3 |
1315 | }\r |
1316 | \r |
93c18cb4 |
1317 | static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r |
1318 | {\r |
1319 | strcpy(path_with_reserve + pos, name);\r |
1320 | if (plat_is_dir(path_with_reserve))\r |
1321 | return;\r |
1322 | if (mkdir(path_with_reserve, 0777) < 0)\r |
1323 | lprintf("failed to create: %s\n", path_with_reserve);\r |
1324 | }\r |
1325 | \r |
1326 | void emu_init(void)\r |
1327 | {\r |
45deb409 |
1328 | char path[512];\r |
93c18cb4 |
1329 | int pos;\r |
1330 | \r |
d6c1b65b |
1331 | #if 0\r |
1332 | // FIXME: handle through menu, etc\r |
1333 | FILE *f;\r |
1334 | f = fopen("32X_M_BIOS.BIN", "rb");\r |
1335 | p32x_bios_m = malloc(2048);\r |
1336 | fread(p32x_bios_m, 1, 2048, f);\r |
1337 | fclose(f);\r |
1338 | f = fopen("32X_S_BIOS.BIN", "rb");\r |
1339 | p32x_bios_s = malloc(1024);\r |
1340 | fread(p32x_bios_s, 1, 1024, f);\r |
1341 | fclose(f);\r |
1342 | #endif\r |
1343 | \r |
93c18cb4 |
1344 | /* make dirs for saves */\r |
45deb409 |
1345 | pos = plat_get_root_dir(path, sizeof(path) - 4);\r |
1346 | mkdir_path(path, pos, "mds");\r |
1347 | mkdir_path(path, pos, "srm");\r |
1348 | mkdir_path(path, pos, "brm");\r |
1349 | \r |
1350 | make_config_cfg(path);\r |
1351 | config_readlrom(path);\r |
93c18cb4 |
1352 | \r |
1353 | PicoInit();\r |
1354 | PicoMessage = plat_status_msg_busy_next;\r |
0f4090a9 |
1355 | PicoMCDopenTray = emu_tray_open;\r |
1356 | PicoMCDcloseTray = emu_tray_close;\r |
93c18cb4 |
1357 | }\r |
1358 | \r |
1359 | void emu_finish(void)\r |
1360 | {\r |
1361 | // save SRAM\r |
ee0f881e |
1362 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1363 | emu_save_load_game(0, 1);\r |
93c18cb4 |
1364 | SRam.changed = 0;\r |
1365 | }\r |
1366 | \r |
45deb409 |
1367 | if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r |
1368 | char cfg[512];\r |
1369 | make_config_cfg(cfg);\r |
1370 | config_writelrom(cfg);\r |
1371 | #ifndef NO_SYNC\r |
1372 | sync();\r |
1373 | #endif\r |
1374 | }\r |
93c18cb4 |
1375 | \r |
1376 | PicoExit();\r |
1377 | }\r |
1378 | \r |
b5bfb864 |
1379 | static void skip_frame(int do_audio)\r |
1380 | {\r |
1381 | PicoSkipFrame = do_audio ? 1 : 2;\r |
1382 | PicoFrame();\r |
1383 | PicoSkipFrame = 0;\r |
1384 | }\r |
1385 | \r |
1386 | /* our tick here is 1 us right now */\r |
1387 | #define ms_to_ticks(x) (unsigned int)(x * 1000)\r |
1388 | #define get_ticks() plat_get_ticks_us()\r |
1389 | \r |
1390 | void emu_loop(void)\r |
1391 | {\r |
1392 | int pframes_done; /* "period" frames, used for sync */\r |
1393 | int frames_done, frames_shown; /* actual frames for fps counter */\r |
ab8a8d36 |
1394 | int target_fps, target_frametime;\r |
b5bfb864 |
1395 | unsigned int timestamp_base = 0, timestamp_fps;\r |
1396 | char *notice_msg = NULL;\r |
1397 | char fpsbuff[24];\r |
1398 | int i;\r |
1399 | \r |
1400 | fpsbuff[0] = 0;\r |
1401 | \r |
1402 | /* make sure we are in correct mode */\r |
b5bfb864 |
1403 | Pico.m.dirtyPal = 1;\r |
ab8a8d36 |
1404 | rendstatus_old = -1;\r |
b5bfb864 |
1405 | \r |
1406 | /* number of ticks per frame */\r |
1407 | if (Pico.m.pal) {\r |
1408 | target_fps = 50;\r |
1409 | target_frametime = ms_to_ticks(1000) / 50;\r |
1410 | } else {\r |
1411 | target_fps = 60;\r |
1412 | target_frametime = ms_to_ticks(1000) / 60 + 1;\r |
1413 | }\r |
1414 | \r |
1415 | // prepare CD buffer\r |
1416 | if (PicoAHW & PAHW_MCD)\r |
1417 | PicoCDBufferInit();\r |
35cbf2ec |
1418 | PicoLoopPrepare();\r |
b5bfb864 |
1419 | \r |
b5bfb864 |
1420 | pemu_loop_prep();\r |
1421 | \r |
1422 | timestamp_fps = get_ticks();\r |
1423 | reset_timing = 1;\r |
1424 | \r |
1425 | frames_done = frames_shown = pframes_done = 0;\r |
1426 | \r |
f71361b5 |
1427 | plat_video_wait_vsync();\r |
1428 | \r |
b5bfb864 |
1429 | /* loop with resync every 1 sec. */\r |
1430 | while (engineState == PGS_Running)\r |
1431 | {\r |
1432 | unsigned int timestamp;\r |
1433 | int diff, diff_lim;\r |
b5bfb864 |
1434 | \r |
1435 | timestamp = get_ticks();\r |
1436 | if (reset_timing) {\r |
1437 | reset_timing = 0;\r |
1438 | timestamp_base = timestamp;\r |
1439 | pframes_done = 0;\r |
1440 | }\r |
1441 | \r |
1442 | // show notice_msg message?\r |
1443 | if (notice_msg_time != 0)\r |
1444 | {\r |
1445 | static int noticeMsgSum;\r |
22b2271a |
1446 | if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r |
b5bfb864 |
1447 | notice_msg_time = 0;\r |
1448 | plat_status_msg_clear();\r |
1449 | notice_msg = NULL;\r |
1450 | } else {\r |
1451 | int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r |
1452 | if (sum != noticeMsgSum) {\r |
1453 | plat_status_msg_clear();\r |
1454 | noticeMsgSum = sum;\r |
1455 | }\r |
1456 | notice_msg = noticeMsg;\r |
1457 | }\r |
1458 | }\r |
1459 | \r |
b5bfb864 |
1460 | // second changed?\r |
1461 | if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r |
1462 | {\r |
1463 | #ifdef BENCHMARK\r |
1464 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
1465 | if (++bench == 10) {\r |
1466 | bench = 0;\r |
1467 | bench_fps_s = bench_fps;\r |
1468 | bf[bfp++ & 3] = bench_fps;\r |
1469 | bench_fps = 0;\r |
1470 | }\r |
1471 | bench_fps += frames_shown;\r |
1472 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
1473 | #else\r |
1474 | if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r |
1475 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
1476 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
1477 | }\r |
1478 | #endif\r |
1479 | frames_shown = frames_done = 0;\r |
1480 | timestamp_fps += ms_to_ticks(1000);\r |
1481 | }\r |
1482 | #ifdef PFRAMES\r |
1483 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
1484 | #endif\r |
1485 | \r |
1486 | if (timestamp - timestamp_base >= ms_to_ticks(1000))\r |
1487 | {\r |
4858c633 |
1488 | if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r |
b5bfb864 |
1489 | pframes_done = 0;\r |
4858c633 |
1490 | else {\r |
b5bfb864 |
1491 | pframes_done -= target_fps;\r |
4858c633 |
1492 | /* don't allow it to drift during heavy slowdowns */\r |
22b2271a |
1493 | if (pframes_done < -5) {\r |
1494 | reset_timing = 1;\r |
1495 | continue;\r |
1496 | }\r |
4858c633 |
1497 | if (pframes_done < -2)\r |
1498 | pframes_done = -2;\r |
1499 | }\r |
b5bfb864 |
1500 | timestamp_base += ms_to_ticks(1000);\r |
1501 | }\r |
1502 | \r |
1503 | diff = timestamp - timestamp_base;\r |
1504 | diff_lim = (pframes_done + 1) * target_frametime;\r |
1505 | \r |
1506 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
1507 | {\r |
1508 | for (i = 0; i < currentConfig.Frameskip; i++) {\r |
1509 | emu_update_input();\r |
1510 | skip_frame(1);\r |
1511 | pframes_done++; frames_done++;\r |
1512 | diff_lim += target_frametime;\r |
1513 | \r |
6c026031 |
1514 | if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {\r |
b5bfb864 |
1515 | timestamp = get_ticks();\r |
1516 | diff = timestamp - timestamp_base;\r |
7a5f9593 |
1517 | if (!reset_timing && diff < diff_lim) // we are too fast\r |
b5bfb864 |
1518 | plat_wait_till_us(timestamp_base + diff_lim);\r |
1519 | }\r |
1520 | }\r |
1521 | }\r |
1522 | else if (diff > diff_lim)\r |
1523 | {\r |
1524 | /* no time left for this frame - skip */\r |
22b2271a |
1525 | if (diff - diff_lim >= ms_to_ticks(200)) {\r |
b5bfb864 |
1526 | /* if too much behind, reset instead */\r |
1527 | reset_timing = 1;\r |
1528 | continue;\r |
1529 | }\r |
1530 | emu_update_input();\r |
1531 | skip_frame(diff < diff_lim + target_frametime * 2);\r |
1532 | pframes_done++; frames_done++;\r |
1533 | continue;\r |
1534 | }\r |
1535 | \r |
1536 | emu_update_input();\r |
1537 | PicoFrame();\r |
b188c2b6 |
1538 | pemu_finalize_frame(fpsbuff, notice_msg);\r |
1539 | \r |
1540 | //plat_video_flip();\r |
b5bfb864 |
1541 | \r |
1542 | /* frame limiter */\r |
6c026031 |
1543 | if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r |
b5bfb864 |
1544 | {\r |
1545 | timestamp = get_ticks();\r |
1546 | diff = timestamp - timestamp_base;\r |
1547 | \r |
1548 | // sleep or vsync if we are still too fast\r |
1549 | if (diff < diff_lim)\r |
1550 | {\r |
1551 | // we are too fast\r |
f71361b5 |
1552 | plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r |
1553 | if (currentConfig.EmuOpt & EOPT_VSYNC)\r |
b5bfb864 |
1554 | plat_video_wait_vsync();\r |
b5bfb864 |
1555 | }\r |
1556 | }\r |
1557 | \r |
b188c2b6 |
1558 | // XXX: for some plats it might be better to flip before vsync\r |
1559 | // (due to shadow registers in display hw)\r |
1560 | plat_video_flip();\r |
b5bfb864 |
1561 | \r |
1562 | pframes_done++; frames_done++; frames_shown++;\r |
1563 | }\r |
1564 | \r |
1565 | emu_set_fastforward(0);\r |
1566 | \r |
b5bfb864 |
1567 | // save SRAM\r |
1568 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1569 | plat_status_msg_busy_first("Writing SRAM/BRAM...");\r |
1570 | emu_save_load_game(0, 1);\r |
1571 | SRam.changed = 0;\r |
1572 | }\r |
1573 | \r |
b5bfb864 |
1574 | pemu_loop_end();\r |
7bc9a680 |
1575 | \r |
1576 | // pemu_loop_end() might want to do 1 frame for bg image,\r |
1577 | // so free CD buffer here\r |
1578 | if (PicoAHW & PAHW_MCD)\r |
1579 | PicoCDBufferFree();\r |
b5bfb864 |
1580 | }\r |
1581 | \r |