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 |
0c9ae592 |
95 | static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)\r |
96 | {\r |
97 | int prefix_len = 0;\r |
98 | const char *p;\r |
99 | \r |
100 | *dst = 0;\r |
101 | if (prefix) {\r |
102 | int len = plat_get_root_dir(dst, dstlen);\r |
103 | strcpy(dst + len, prefix);\r |
104 | prefix_len = len + strlen(prefix);\r |
105 | }\r |
106 | \r |
107 | p = fname + strlen(fname) - 1;\r |
108 | for (; p >= fname && *p != PATH_SEP_C; p--)\r |
109 | ;\r |
110 | p++;\r |
111 | strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);\r |
112 | \r |
113 | dst[dstlen - 8] = 0;\r |
114 | if (dst[strlen(dst) - 4] == '.')\r |
115 | dst[strlen(dst) - 4] = 0;\r |
116 | if (ext)\r |
117 | strcat(dst, ext);\r |
118 | }\r |
119 | \r |
120 | static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)\r |
121 | {\r |
122 | fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);\r |
123 | }\r |
124 | \r |
b5bfb864 |
125 | void emu_status_msg(const char *format, ...)\r |
126 | {\r |
127 | va_list vl;\r |
22b2271a |
128 | int ret;\r |
b5bfb864 |
129 | \r |
130 | va_start(vl, format);\r |
22b2271a |
131 | ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r |
b5bfb864 |
132 | va_end(vl);\r |
133 | \r |
22b2271a |
134 | /* be sure old text gets overwritten */\r |
135 | for (; ret < 28; ret++)\r |
136 | noticeMsg[ret] = ' ';\r |
137 | noticeMsg[ret] = 0;\r |
138 | \r |
b5bfb864 |
139 | notice_msg_time = plat_get_ticks_ms();\r |
140 | }\r |
141 | \r |
22b2271a |
142 | static const char * const biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };\r |
143 | static const char * const biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" };\r |
144 | static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r |
f013066e |
145 | \r |
ee0f881e |
146 | static int find_bios(int region, char **bios_file)\r |
f013066e |
147 | {\r |
f013066e |
148 | int i, count;\r |
22b2271a |
149 | const char * const *files;\r |
f013066e |
150 | FILE *f = NULL;\r |
151 | \r |
152 | if (region == 4) { // US\r |
153 | files = biosfiles_us;\r |
154 | count = sizeof(biosfiles_us) / sizeof(char *);\r |
155 | } else if (region == 8) { // EU\r |
156 | files = biosfiles_eu;\r |
157 | count = sizeof(biosfiles_eu) / sizeof(char *);\r |
158 | } else if (region == 1 || region == 2) {\r |
159 | files = biosfiles_jp;\r |
160 | count = sizeof(biosfiles_jp) / sizeof(char *);\r |
161 | } else {\r |
162 | return 0;\r |
163 | }\r |
164 | \r |
165 | for (i = 0; i < count; i++)\r |
166 | {\r |
6c026031 |
167 | emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r |
168 | strcat(static_buff, ".bin");\r |
169 | f = fopen(static_buff, "rb");\r |
f013066e |
170 | if (f) break;\r |
171 | \r |
6c026031 |
172 | static_buff[strlen(static_buff) - 4] = 0;\r |
173 | strcat(static_buff, ".zip");\r |
174 | f = fopen(static_buff, "rb");\r |
f013066e |
175 | if (f) break;\r |
176 | }\r |
177 | \r |
178 | if (f) {\r |
6c026031 |
179 | lprintf("using bios: %s\n", static_buff);\r |
f013066e |
180 | fclose(f);\r |
6c026031 |
181 | if (bios_file)\r |
182 | *bios_file = static_buff;\r |
f013066e |
183 | return 1;\r |
184 | } else {\r |
6c026031 |
185 | sprintf(static_buff, "no %s BIOS files found, read docs",\r |
f013066e |
186 | region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
6c026031 |
187 | me_update_msg(static_buff);\r |
f013066e |
188 | return 0;\r |
189 | }\r |
190 | }\r |
191 | \r |
c6334564 |
192 | /* check if the name begins with BIOS name */\r |
367b6f1f |
193 | /*\r |
c6334564 |
194 | static int emu_isBios(const char *name)\r |
195 | {\r |
196 | int i;\r |
197 | for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r |
198 | if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r |
199 | for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r |
200 | if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r |
201 | for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r |
202 | if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r |
203 | return 0;\r |
204 | }\r |
367b6f1f |
205 | */\r |
c6334564 |
206 | \r |
367b6f1f |
207 | static unsigned char id_header[0x100];\r |
0ae25549 |
208 | \r |
2f3ca016 |
209 | /* checks if fname points to valid MegaCD image */\r |
6b8796e2 |
210 | static int emu_cd_check(int *pregion, const char *fname_in)\r |
f013066e |
211 | {\r |
6b8796e2 |
212 | const char *fname = fname_in;\r |
f013066e |
213 | unsigned char buf[32];\r |
214 | pm_file *cd_f;\r |
9fe01b96 |
215 | int region = 4; // 1: Japan, 4: US, 8: Europe\r |
6b8796e2 |
216 | char ext[5];\r |
9fe01b96 |
217 | cue_track_type type = CT_UNKNOWN;\r |
218 | cue_data_t *cue_data = NULL;\r |
1ceda417 |
219 | \r |
36f6fd5a |
220 | get_ext(fname_in, ext);\r |
9fe01b96 |
221 | if (strcasecmp(ext, ".cue") == 0) {\r |
36f6fd5a |
222 | cue_data = cue_parse(fname_in);\r |
9fe01b96 |
223 | if (cue_data != NULL) {\r |
224 | fname = cue_data->tracks[1].fname;\r |
225 | type = cue_data->tracks[1].type;\r |
226 | }\r |
e9a13365 |
227 | else\r |
228 | return -1;\r |
9fe01b96 |
229 | }\r |
230 | \r |
231 | cd_f = pm_open(fname);\r |
232 | if (cue_data != NULL)\r |
233 | cue_destroy(cue_data);\r |
f013066e |
234 | \r |
e9a13365 |
235 | if (cd_f == NULL) return 0; // let the upper level handle this\r |
f013066e |
236 | \r |
237 | if (pm_read(buf, 32, cd_f) != 32) {\r |
238 | pm_close(cd_f);\r |
e9a13365 |
239 | return -1;\r |
f013066e |
240 | }\r |
241 | \r |
9fe01b96 |
242 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) {\r |
243 | if (type && type != CT_ISO)\r |
244 | elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r |
245 | type = CT_ISO; // Sega CD (ISO)\r |
246 | }\r |
247 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) {\r |
248 | if (type && type != CT_BIN)\r |
249 | elprintf(EL_STATUS, ".cue has wrong type: %i", type);\r |
250 | type = CT_BIN; // Sega CD (BIN)\r |
251 | }\r |
252 | \r |
253 | if (type == CT_UNKNOWN) {\r |
f013066e |
254 | pm_close(cd_f);\r |
255 | return 0;\r |
256 | }\r |
257 | \r |
9fe01b96 |
258 | pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET);\r |
367b6f1f |
259 | pm_read(id_header, sizeof(id_header), cd_f);\r |
0ae25549 |
260 | \r |
f013066e |
261 | /* it seems we have a CD image here. Try to detect region now.. */\r |
9fe01b96 |
262 | pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r |
f013066e |
263 | pm_read(buf, 1, cd_f);\r |
264 | pm_close(cd_f);\r |
265 | \r |
266 | if (buf[0] == 0x64) region = 8; // EU\r |
267 | if (buf[0] == 0xa1) region = 1; // JAP\r |
268 | \r |
269 | lprintf("detected %s Sega/Mega CD image with %s region\n",\r |
9fe01b96 |
270 | type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
f013066e |
271 | \r |
272 | if (pregion != NULL) *pregion = region;\r |
273 | \r |
274 | return type;\r |
275 | }\r |
276 | \r |
2f3ca016 |
277 | static int detect_media(const char *fname)\r |
278 | {\r |
279 | static const short sms_offsets[] = { 0x7ff0, 0x3ff0, 0x1ff0 };\r |
86c1049d |
280 | static const char *sms_exts[] = { "sms", "gg", "sg" };\r |
281 | static const char *md_exts[] = { "gen", "bin", "smd" };\r |
282 | char buff0[32], buff[32];\r |
283 | unsigned short *d16;\r |
2f3ca016 |
284 | pm_file *pmf;\r |
2f3ca016 |
285 | char ext[5];\r |
286 | int i;\r |
287 | \r |
288 | get_ext(fname, ext);\r |
289 | \r |
290 | // detect wrong extensions\r |
291 | if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) // s.gz ~ .mds.gz\r |
292 | return PM_BAD;\r |
293 | \r |
294 | /* don't believe in extensions, except .cue */\r |
295 | if (strcasecmp(ext, ".cue") == 0)\r |
296 | return PM_CD;\r |
297 | \r |
298 | pmf = pm_open(fname);\r |
299 | if (pmf == NULL)\r |
300 | return PM_BAD;\r |
301 | \r |
86c1049d |
302 | if (pm_read(buff0, 32, pmf) != 32) {\r |
2f3ca016 |
303 | pm_close(pmf);\r |
304 | return PM_BAD;\r |
305 | }\r |
306 | \r |
86c1049d |
307 | if (strncasecmp("SEGADISCSYSTEM", buff0 + 0x00, 14) == 0 ||\r |
308 | strncasecmp("SEGADISCSYSTEM", buff0 + 0x10, 14) == 0) {\r |
2f3ca016 |
309 | pm_close(pmf);\r |
310 | return PM_CD;\r |
311 | }\r |
312 | \r |
86c1049d |
313 | /* check for SMD evil */\r |
314 | if (pmf->size >= 0x4200 && (pmf->size & 0x3fff) == 0x200) {\r |
315 | if (pm_seek(pmf, sms_offsets[0] + 0x200, SEEK_SET) == sms_offsets[0] + 0x200 &&\r |
316 | pm_read(buff, 16, pmf) == 16 &&\r |
317 | strncmp("TMR SEGA", buff, 8) == 0)\r |
318 | goto looks_like_sms;\r |
319 | \r |
320 | /* could parse further but don't bother */\r |
321 | goto extension_check;\r |
322 | }\r |
323 | \r |
324 | /* MD header? Act as TMSS BIOS here */\r |
325 | if (pm_seek(pmf, 0x100, SEEK_SET) == 0x100 && pm_read(buff, 16, pmf) == 16) {\r |
326 | if (strncmp(buff, "SEGA", 4) == 0 || strncmp(buff, " SEG", 4) == 0)\r |
327 | goto looks_like_md;\r |
328 | }\r |
329 | \r |
2f3ca016 |
330 | for (i = 0; i < array_size(sms_offsets); i++) {\r |
331 | if (pm_seek(pmf, sms_offsets[i], SEEK_SET) != sms_offsets[i])\r |
86c1049d |
332 | continue;\r |
2f3ca016 |
333 | \r |
334 | if (pm_read(buff, 16, pmf) != 16)\r |
86c1049d |
335 | continue;\r |
2f3ca016 |
336 | \r |
86c1049d |
337 | if (strncmp("TMR SEGA", buff, 8) == 0)\r |
338 | goto looks_like_sms;\r |
339 | }\r |
340 | \r |
341 | extension_check:\r |
342 | /* probably some headerless thing. Maybe check the extension after all. */\r |
343 | for (i = 0; i < array_size(md_exts); i++)\r |
344 | if (strcasecmp(pmf->ext, md_exts[i]) == 0)\r |
345 | goto looks_like_md;\r |
346 | \r |
347 | for (i = 0; i < array_size(sms_exts); i++)\r |
348 | if (strcasecmp(pmf->ext, sms_exts[i]) == 0)\r |
349 | goto looks_like_sms;\r |
350 | \r |
351 | /* If everything else fails, make a guess on the reset vector */\r |
352 | d16 = (unsigned short *)(buff0 + 4);\r |
353 | if ((((d16[0] << 16) | d16[1]) & 0xffffff) >= pmf->size) {\r |
354 | lprintf("bad MD reset vector, assuming SMS\n");\r |
355 | goto looks_like_sms;\r |
2f3ca016 |
356 | }\r |
357 | \r |
86c1049d |
358 | looks_like_md:\r |
2f3ca016 |
359 | pm_close(pmf);\r |
2f3ca016 |
360 | return PM_MD_CART;\r |
86c1049d |
361 | \r |
362 | looks_like_sms:\r |
363 | pm_close(pmf);\r |
364 | return PM_MARK3;\r |
2f3ca016 |
365 | }\r |
366 | \r |
ff63afa1 |
367 | static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r |
0ae25549 |
368 | {\r |
369 | char *p = dest;\r |
370 | int i;\r |
371 | \r |
372 | if (swab) swab = 1;\r |
373 | \r |
374 | for (i = len - 1; i >= 0; i--)\r |
375 | {\r |
376 | if (src[i^swab] != ' ') break;\r |
377 | }\r |
378 | len = i + 1;\r |
379 | \r |
380 | for (i = 0; i < len; i++)\r |
381 | {\r |
382 | unsigned char s = src[i^swab];\r |
383 | if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r |
384 | s != '[' && s != ']' && s != '\\')\r |
385 | {\r |
386 | *p++ = s;\r |
387 | }\r |
388 | else\r |
389 | {\r |
390 | sprintf(p, "\\%02x", s);\r |
391 | p += 3;\r |
392 | }\r |
393 | }\r |
394 | \r |
395 | return p - dest;\r |
396 | }\r |
397 | \r |
0c9ae592 |
398 | static char *emu_make_rom_id(const char *fname)\r |
0ae25549 |
399 | {\r |
36f6fd5a |
400 | static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r |
8e708f92 |
401 | int pos, swab = 1;\r |
0ae25549 |
402 | \r |
dd5fd477 |
403 | if (PicoAHW & PAHW_MCD) {\r |
8e708f92 |
404 | strcpy(id_string, "CD|");\r |
405 | swab = 0;\r |
406 | }\r |
0c9ae592 |
407 | else if (PicoAHW & PAHW_SMS)\r |
408 | strcpy(id_string, "MS|");\r |
409 | else strcpy(id_string, "MD|");\r |
0ae25549 |
410 | pos = 3;\r |
411 | \r |
0c9ae592 |
412 | if (!(PicoAHW & PAHW_SMS)) {\r |
413 | pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial\r |
414 | id_string[pos] = '|'; pos++;\r |
415 | pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region\r |
416 | id_string[pos] = '|'; pos++;\r |
417 | pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name\r |
418 | id_string[pos] = 0;\r |
419 | if (pos > 5)\r |
420 | return id_string;\r |
421 | pos = 3;\r |
422 | }\r |
423 | \r |
424 | // can't find name in ROM, use filename\r |
425 | fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);\r |
0ae25549 |
426 | \r |
0ae25549 |
427 | return id_string;\r |
428 | }\r |
429 | \r |
36f6fd5a |
430 | // buffer must be at least 150 byte long\r |
ee0f881e |
431 | void emu_get_game_name(char *str150)\r |
36f6fd5a |
432 | {\r |
433 | int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r |
434 | char *s, *d;\r |
435 | \r |
436 | ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name\r |
437 | \r |
438 | for (s = d = str150 + 1; s < str150+ret; s++)\r |
439 | {\r |
440 | if (*s == 0) break;\r |
441 | if (*s != ' ' || d[-1] != ' ')\r |
442 | *d++ = *s;\r |
443 | }\r |
444 | *d = 0;\r |
445 | }\r |
446 | \r |
ee0f881e |
447 | static void shutdown_MCD(void)\r |
448 | {\r |
449 | if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)\r |
450 | Stop_CD();\r |
451 | PicoAHW &= ~PAHW_MCD;\r |
452 | }\r |
453 | \r |
9efc102f |
454 | static void system_announce(void)\r |
455 | {\r |
456 | const char *sys_name, *tv_standard;\r |
457 | int fps;\r |
458 | \r |
459 | if (PicoAHW & PAHW_SMS) {\r |
460 | sys_name = "Master System";\r |
461 | } else if (PicoAHW & PAHW_PICO) {\r |
462 | sys_name = "Pico";\r |
463 | } else if (PicoAHW & PAHW_MCD) {\r |
464 | sys_name = "Mega CD";\r |
465 | if ((Pico.m.hardware & 0xc0) == 0x80)\r |
466 | sys_name = "Sega CD";\r |
467 | } else if (PicoAHW & PAHW_32X) {\r |
468 | sys_name = "32X";\r |
469 | } else {\r |
470 | sys_name = "MegaDrive";\r |
471 | if ((Pico.m.hardware & 0xc0) == 0x80)\r |
472 | sys_name = "Genesis";\r |
473 | }\r |
474 | tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r |
475 | fps = Pico.m.pal ? 50 : 60;\r |
476 | \r |
477 | emu_status_msg("%s %s / %dFPS", tv_standard, sys_name, fps);\r |
478 | }\r |
479 | \r |
36f6fd5a |
480 | // note: this function might mangle rom_fname\r |
2f3ca016 |
481 | // XXX: portions of this code should move to pico/\r |
ee0f881e |
482 | int emu_reload_rom(char *rom_fname)\r |
f013066e |
483 | {\r |
484 | unsigned int rom_size = 0;\r |
36f6fd5a |
485 | char *used_rom_name = rom_fname;\r |
144a28a0 |
486 | unsigned char *rom_data = NULL;\r |
f013066e |
487 | char ext[5];\r |
e9a13365 |
488 | pm_file *rom = NULL;\r |
2f3ca016 |
489 | int cd_state = CIT_NOT_CD;\r |
490 | int ret, media_type, cd_region;\r |
491 | int cfg_loaded = 0, bad_rom = 0;\r |
f013066e |
492 | \r |
36f6fd5a |
493 | lprintf("emu_ReloadRom(%s)\n", rom_fname);\r |
f013066e |
494 | \r |
36f6fd5a |
495 | get_ext(rom_fname, ext);\r |
f013066e |
496 | \r |
f013066e |
497 | // check for movie file\r |
144a28a0 |
498 | if (movie_data) {\r |
f013066e |
499 | free(movie_data);\r |
500 | movie_data = 0;\r |
501 | }\r |
88bfc63d |
502 | if (!strcmp(ext, ".gmv"))\r |
503 | {\r |
f013066e |
504 | // check for both gmv and rom\r |
505 | int dummy;\r |
36f6fd5a |
506 | FILE *movie_file = fopen(rom_fname, "rb");\r |
5f7b5155 |
507 | if (!movie_file) {\r |
3ffee69c |
508 | me_update_msg("Failed to open movie.");\r |
f013066e |
509 | return 0;\r |
510 | }\r |
511 | fseek(movie_file, 0, SEEK_END);\r |
512 | movie_size = ftell(movie_file);\r |
513 | fseek(movie_file, 0, SEEK_SET);\r |
5f7b5155 |
514 | if (movie_size < 64+3) {\r |
3ffee69c |
515 | me_update_msg("Invalid GMV file.");\r |
f013066e |
516 | fclose(movie_file);\r |
517 | return 0;\r |
518 | }\r |
519 | movie_data = malloc(movie_size);\r |
5f7b5155 |
520 | if (movie_data == NULL) {\r |
3ffee69c |
521 | me_update_msg("low memory.");\r |
f013066e |
522 | fclose(movie_file);\r |
523 | return 0;\r |
524 | }\r |
5f7b5155 |
525 | dummy = fread(movie_data, 1, movie_size, movie_file);\r |
f013066e |
526 | fclose(movie_file);\r |
527 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
3ffee69c |
528 | me_update_msg("Invalid GMV file.");\r |
f013066e |
529 | return 0;\r |
530 | }\r |
36f6fd5a |
531 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
f013066e |
532 | if (!dummy) {\r |
3ffee69c |
533 | me_update_msg("Could't find a ROM for movie.");\r |
f013066e |
534 | return 0;\r |
535 | }\r |
36f6fd5a |
536 | get_ext(rom_fname, ext);\r |
61f66fe0 |
537 | lprintf("gmv loaded for %s\n", rom_fname);\r |
f013066e |
538 | }\r |
36f6fd5a |
539 | else if (!strcmp(ext, ".pat"))\r |
540 | {\r |
f013066e |
541 | int dummy;\r |
36f6fd5a |
542 | PicoPatchLoad(rom_fname);\r |
543 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
f013066e |
544 | if (!dummy) {\r |
3ffee69c |
545 | me_update_msg("Could't find a ROM to patch.");\r |
f013066e |
546 | return 0;\r |
547 | }\r |
36f6fd5a |
548 | get_ext(rom_fname, ext);\r |
f013066e |
549 | }\r |
550 | \r |
2f3ca016 |
551 | media_type = detect_media(rom_fname);\r |
552 | if (media_type == PM_BAD) {\r |
553 | me_update_msg("Not a ROM/CD img selected.");\r |
554 | return 0;\r |
555 | }\r |
556 | \r |
ee0f881e |
557 | shutdown_MCD();\r |
2f3ca016 |
558 | PicoPatchUnload();\r |
81bfc1c5 |
559 | PicoCartUnload();\r |
560 | rom_loaded = 0;\r |
561 | \r |
86c1049d |
562 | PicoAHW = 0;\r |
f013066e |
563 | \r |
2f3ca016 |
564 | if (media_type == PM_CD)\r |
f013066e |
565 | {\r |
2f3ca016 |
566 | // check for MegaCD image\r |
567 | cd_state = emu_cd_check(&cd_region, rom_fname);\r |
568 | if (cd_state >= 0 && cd_state != CIT_NOT_CD)\r |
569 | {\r |
570 | // valid CD image, check for BIOS..\r |
f013066e |
571 | \r |
2f3ca016 |
572 | // we need to have config loaded at this point\r |
0c9ae592 |
573 | ret = emu_read_config(rom_fname, 0);\r |
574 | if (!ret) emu_read_config(NULL, 0);\r |
2f3ca016 |
575 | cfg_loaded = 1;\r |
f013066e |
576 | \r |
2f3ca016 |
577 | if (PicoRegionOverride) {\r |
578 | cd_region = PicoRegionOverride;\r |
579 | lprintf("override region to %s\n", cd_region != 4 ?\r |
580 | (cd_region == 8 ? "EU" : "JAP") : "USA");\r |
581 | }\r |
582 | if (!find_bios(cd_region, &used_rom_name))\r |
583 | return 0;\r |
584 | \r |
585 | get_ext(used_rom_name, ext);\r |
586 | PicoAHW |= PAHW_MCD;\r |
f013066e |
587 | }\r |
2f3ca016 |
588 | else {\r |
589 | me_update_msg("Invalid CD image");\r |
f013066e |
590 | return 0;\r |
591 | }\r |
f013066e |
592 | }\r |
2f3ca016 |
593 | else if (media_type == PM_MARK3) {\r |
594 | lprintf("detected SMS ROM\n");\r |
595 | PicoAHW = PAHW_SMS;\r |
f013066e |
596 | }\r |
597 | \r |
598 | rom = pm_open(used_rom_name);\r |
2f3ca016 |
599 | if (rom == NULL) {\r |
600 | me_update_msg("Failed to open ROM");\r |
601 | return 0;\r |
f013066e |
602 | }\r |
603 | \r |
a6df06b7 |
604 | menu_romload_prepare(used_rom_name); // also CD load\r |
6c026031 |
605 | used_rom_name = NULL; // uses static_buff\r |
f013066e |
606 | \r |
2f3ca016 |
607 | ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0);\r |
608 | pm_close(rom);\r |
609 | if (ret != 0) {\r |
3ffee69c |
610 | if (ret == 2) me_update_msg("Out of memory");\r |
611 | else if (ret == 3) me_update_msg("Read failed");\r |
612 | else me_update_msg("PicoCartLoad() failed.");\r |
2f3ca016 |
613 | goto fail;\r |
614 | }\r |
615 | \r |
616 | // detect wrong files\r |
617 | if (strncmp((char *)rom_data, "Pico", 4) == 0)\r |
618 | bad_rom = 1;\r |
619 | else if (!(PicoAHW & PAHW_SMS)) {\r |
620 | unsigned short *d = (unsigned short *)(rom_data + 4);\r |
621 | if ((((d[0] << 16) | d[1]) & 0xffffff) >= (int)rom_size) {\r |
622 | lprintf("bad reset vector\n");\r |
623 | bad_rom = 1;\r |
624 | }\r |
f013066e |
625 | }\r |
f013066e |
626 | \r |
2f3ca016 |
627 | if (bad_rom) {\r |
628 | me_update_msg("Bad ROM detected.");\r |
629 | goto fail;\r |
f013066e |
630 | }\r |
631 | \r |
632 | // load config for this ROM (do this before insert to get correct region)\r |
dd5fd477 |
633 | if (!(PicoAHW & PAHW_MCD))\r |
367b6f1f |
634 | memcpy(id_header, rom_data + 0x100, sizeof(id_header));\r |
f013066e |
635 | if (!cfg_loaded) {\r |
0c9ae592 |
636 | ret = emu_read_config(rom_fname, 0);\r |
637 | if (!ret) emu_read_config(NULL, 0);\r |
f013066e |
638 | }\r |
639 | \r |
6c026031 |
640 | emu_make_path(static_buff, "carthw.cfg", sizeof(static_buff));\r |
641 | if (PicoCartInsert(rom_data, rom_size, static_buff)) {\r |
3ffee69c |
642 | me_update_msg("Failed to load ROM.");\r |
2f3ca016 |
643 | goto fail;\r |
f013066e |
644 | }\r |
645 | \r |
f013066e |
646 | // insert CD if it was detected\r |
1ceda417 |
647 | if (cd_state != CIT_NOT_CD) {\r |
36f6fd5a |
648 | ret = Insert_CD(rom_fname, cd_state);\r |
f013066e |
649 | if (ret != 0) {\r |
2f3ca016 |
650 | PicoCartUnload();\r |
651 | rom_data = NULL; // freed by unload\r |
3ffee69c |
652 | me_update_msg("Insert_CD() failed, invalid CD image?");\r |
2f3ca016 |
653 | goto fail;\r |
f013066e |
654 | }\r |
655 | }\r |
656 | \r |
a6df06b7 |
657 | menu_romload_end();\r |
658 | \r |
f013066e |
659 | if (PicoPatches) {\r |
660 | PicoPatchPrepare();\r |
661 | PicoPatchApply();\r |
662 | }\r |
663 | \r |
664 | // additional movie stuff\r |
e9a13365 |
665 | if (movie_data)\r |
666 | {\r |
667 | if (movie_data[0x14] == '6')\r |
dd5fd477 |
668 | PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r |
669 | else PicoOpt &= ~POPT_6BTN_PAD;\r |
a4790056 |
670 | PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r |
e9a13365 |
671 | if (movie_data[0xF] >= 'A') {\r |
672 | if (movie_data[0x16] & 0x80) {\r |
f013066e |
673 | PicoRegionOverride = 8;\r |
674 | } else {\r |
675 | PicoRegionOverride = 4;\r |
676 | }\r |
8d5cb10d |
677 | PicoReset();\r |
f013066e |
678 | // TODO: bits 6 & 5\r |
679 | }\r |
680 | movie_data[0x18+30] = 0;\r |
b5bfb864 |
681 | emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r |
f013066e |
682 | }\r |
683 | else\r |
684 | {\r |
9efc102f |
685 | system_announce();\r |
dd5fd477 |
686 | PicoOpt &= ~POPT_DIS_VDP_FIFO;\r |
f013066e |
687 | }\r |
f013066e |
688 | \r |
85bd209c |
689 | strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r |
690 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
691 | rom_loaded = 1;\r |
692 | \r |
f013066e |
693 | // load SRAM for this ROM\r |
ee0f881e |
694 | if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r |
695 | emu_save_load_game(1, 1);\r |
f013066e |
696 | \r |
697 | return 1;\r |
e9a13365 |
698 | \r |
e9a13365 |
699 | fail:\r |
2f3ca016 |
700 | if (rom_data)\r |
701 | free(rom_data);\r |
702 | menu_romload_end();\r |
e9a13365 |
703 | return 0;\r |
f013066e |
704 | }\r |
705 | \r |
6b8796e2 |
706 | int emu_swap_cd(const char *fname)\r |
707 | {\r |
708 | cd_img_type cd_type;\r |
709 | int ret = -1;\r |
710 | \r |
711 | cd_type = emu_cd_check(NULL, fname);\r |
712 | if (cd_type != CIT_NOT_CD)\r |
713 | ret = Insert_CD(fname, cd_type);\r |
714 | if (ret != 0) {\r |
715 | me_update_msg("Load failed, invalid CD image?");\r |
716 | return 0;\r |
717 | }\r |
718 | \r |
719 | strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r |
720 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
721 | return 1;\r |
722 | }\r |
723 | \r |
6c026031 |
724 | // <base dir><end>\r |
45deb409 |
725 | void emu_make_path(char *buff, const char *end, int size)\r |
2b1fd520 |
726 | {\r |
45deb409 |
727 | int pos, end_len;\r |
728 | \r |
729 | end_len = strlen(end);\r |
730 | pos = plat_get_root_dir(buff, size);\r |
731 | strncpy(buff + pos, end, size - pos);\r |
732 | buff[size - 1] = 0;\r |
733 | if (pos + end_len > size - 1)\r |
734 | lprintf("Warning: path truncated: %s\n", buff);\r |
735 | }\r |
736 | \r |
737 | static void make_config_cfg(char *cfg_buff_512)\r |
738 | {\r |
739 | emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r |
2b1fd520 |
740 | if (config_slot != 0)\r |
741 | {\r |
45deb409 |
742 | char *p = strrchr(cfg_buff_512, '.');\r |
743 | if (p == NULL)\r |
744 | p = cfg_buff_512 + strlen(cfg_buff_512);\r |
2b1fd520 |
745 | sprintf(p, ".%i.cfg", config_slot);\r |
746 | }\r |
45deb409 |
747 | cfg_buff_512[511] = 0;\r |
2b1fd520 |
748 | }\r |
749 | \r |
d2f29611 |
750 | void emu_prep_defconfig(void)\r |
751 | {\r |
752 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
0c9ae592 |
753 | defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_EN_CD_LEDS;\r |
d2f29611 |
754 | defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r |
755 | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES |\r |
756 | POPT_EN_32X|POPT_EN_PWM;\r |
757 | defaultConfig.s_PsndRate = 44100;\r |
758 | defaultConfig.s_PicoRegion = 0; // auto\r |
759 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
760 | defaultConfig.s_PicoCDBuffers = 0;\r |
0c9ae592 |
761 | defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r |
d2f29611 |
762 | defaultConfig.Frameskip = -1; // auto\r |
763 | defaultConfig.volume = 50;\r |
764 | defaultConfig.gamma = 100;\r |
765 | defaultConfig.scaling = 0;\r |
766 | defaultConfig.turbo_rate = 15;\r |
767 | \r |
768 | // platform specific overrides\r |
769 | pemu_prep_defconfig();\r |
770 | }\r |
771 | \r |
9ecdd73a |
772 | void emu_set_defconfig(void)\r |
36f6fd5a |
773 | {\r |
ee0f881e |
774 | memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));\r |
36f6fd5a |
775 | PicoOpt = currentConfig.s_PicoOpt;\r |
776 | PsndRate = currentConfig.s_PsndRate;\r |
777 | PicoRegionOverride = currentConfig.s_PicoRegion;\r |
778 | PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r |
779 | PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r |
0c9ae592 |
780 | p32x_msh2_multiplier = MSH2_MULTI_DEFAULT;\r |
781 | p32x_ssh2_multiplier = SSH2_MULTI_DEFAULT;\r |
36f6fd5a |
782 | }\r |
783 | \r |
0c9ae592 |
784 | int emu_read_config(const char *rom_fname, int no_defaults)\r |
f013066e |
785 | {\r |
0ae25549 |
786 | char cfg[512];\r |
0ae25549 |
787 | int ret;\r |
f013066e |
788 | \r |
4bd165c8 |
789 | if (!no_defaults)\r |
790 | emu_set_defconfig();\r |
791 | \r |
0c9ae592 |
792 | if (rom_fname == NULL)\r |
f013066e |
793 | {\r |
0c9ae592 |
794 | // global config\r |
2b1fd520 |
795 | make_config_cfg(cfg);\r |
0ae25549 |
796 | ret = config_readsect(cfg, NULL);\r |
f013066e |
797 | }\r |
0ae25549 |
798 | else\r |
799 | {\r |
0c9ae592 |
800 | char *sect = emu_make_rom_id(rom_fname);\r |
f013066e |
801 | \r |
0ae25549 |
802 | if (config_slot != 0)\r |
803 | sprintf(cfg, "game.%i.cfg", config_slot);\r |
804 | else strcpy(cfg, "game.cfg");\r |
367b6f1f |
805 | \r |
806 | ret = -1;\r |
2b1fd520 |
807 | if (config_havesect(cfg, sect))\r |
808 | {\r |
809 | // read user's config\r |
67dfdf5f |
810 | int vol = currentConfig.volume;\r |
9ecdd73a |
811 | emu_set_defconfig();\r |
367b6f1f |
812 | ret = config_readsect(cfg, sect);\r |
67dfdf5f |
813 | currentConfig.volume = vol; // make vol global (bah)\r |
367b6f1f |
814 | }\r |
558d8e1f |
815 | else\r |
2b1fd520 |
816 | {\r |
817 | // read global config, and apply game_def.cfg on top\r |
818 | make_config_cfg(cfg);\r |
819 | config_readsect(cfg, NULL);\r |
0c2e114e |
820 | emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r |
821 | ret = config_readsect(cfg, sect);\r |
2b1fd520 |
822 | }\r |
0ae25549 |
823 | \r |
36f6fd5a |
824 | if (ret == 0)\r |
0ae25549 |
825 | {\r |
367b6f1f |
826 | lprintf("loaded cfg from sect \"%s\"\n", sect);\r |
0ae25549 |
827 | }\r |
f013066e |
828 | }\r |
0ae25549 |
829 | \r |
d2f29611 |
830 | pemu_validate_config();\r |
fa8d1331 |
831 | \r |
f013066e |
832 | // some sanity checks\r |
93c0d147 |
833 | #ifdef PSP\r |
fa8d1331 |
834 | /* TODO: mv to plat_validate_config() */\r |
835 | if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
93c0d147 |
836 | if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r |
960a8e27 |
837 | if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r |
93c0d147 |
838 | #endif\r |
fa8d1331 |
839 | if (currentConfig.volume < 0 || currentConfig.volume > 99)\r |
840 | currentConfig.volume = 50;\r |
841 | \r |
842 | if (ret == 0)\r |
843 | config_slot_current = config_slot;\r |
82abf46f |
844 | \r |
0ae25549 |
845 | return (ret == 0);\r |
f013066e |
846 | }\r |
847 | \r |
848 | \r |
ee0f881e |
849 | int emu_write_config(int is_game)\r |
f013066e |
850 | {\r |
0ae25549 |
851 | char cfg[512], *game_sect = NULL;\r |
852 | int ret, write_lrom = 0;\r |
f013066e |
853 | \r |
0ae25549 |
854 | if (!is_game)\r |
f013066e |
855 | {\r |
36f6fd5a |
856 | make_config_cfg(cfg);\r |
0ae25549 |
857 | write_lrom = 1;\r |
f013066e |
858 | } else {\r |
859 | if (config_slot != 0)\r |
0ae25549 |
860 | sprintf(cfg, "game.%i.cfg", config_slot);\r |
861 | else strcpy(cfg, "game.cfg");\r |
0c9ae592 |
862 | game_sect = emu_make_rom_id(rom_fname_loaded);\r |
ee0f881e |
863 | lprintf("emu_write_config: sect \"%s\"\n", game_sect);\r |
f013066e |
864 | }\r |
865 | \r |
ee0f881e |
866 | lprintf("emu_write_config: %s ", cfg);\r |
0ae25549 |
867 | ret = config_writesect(cfg, game_sect);\r |
367b6f1f |
868 | if (write_lrom) config_writelrom(cfg);\r |
f013066e |
869 | #ifndef NO_SYNC\r |
0ae25549 |
870 | sync();\r |
f013066e |
871 | #endif\r |
0ae25549 |
872 | lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r |
f013066e |
873 | \r |
0ae25549 |
874 | if (ret == 0) config_slot_current = config_slot;\r |
875 | return ret == 0;\r |
f013066e |
876 | }\r |
877 | \r |
878 | \r |
e31266dd |
879 | /* always using built-in font */\r |
880 | \r |
b7911801 |
881 | #define mk_text_out(name, type, val, topleft, step_x, step_y) \\r |
e31266dd |
882 | void name(int x, int y, const char *text) \\r |
883 | { \\r |
884 | int i, l, len = strlen(text); \\r |
b7911801 |
885 | type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r |
e31266dd |
886 | \\r |
b7911801 |
887 | for (i = 0; i < len; i++, screen += 8 * step_x) \\r |
e31266dd |
888 | { \\r |
889 | for (l = 0; l < 8; l++) \\r |
890 | { \\r |
891 | unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r |
b7911801 |
892 | type *s = screen + l * step_y; \\r |
893 | if (fd&0x80) s[step_x * 0] = val; \\r |
894 | if (fd&0x40) s[step_x * 1] = val; \\r |
895 | if (fd&0x20) s[step_x * 2] = val; \\r |
896 | if (fd&0x10) s[step_x * 3] = val; \\r |
897 | if (fd&0x08) s[step_x * 4] = val; \\r |
898 | if (fd&0x04) s[step_x * 5] = val; \\r |
899 | if (fd&0x02) s[step_x * 6] = val; \\r |
900 | if (fd&0x01) s[step_x * 7] = val; \\r |
e31266dd |
901 | } \\r |
902 | } \\r |
f013066e |
903 | }\r |
904 | \r |
b7911801 |
905 | mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r |
906 | mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r |
907 | mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r |
908 | (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
909 | mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r |
910 | (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
f013066e |
911 | \r |
e31266dd |
912 | #undef mk_text_out\r |
f013066e |
913 | \r |
914 | \r |
388947f3 |
915 | void update_movie(void)\r |
f013066e |
916 | {\r |
917 | int offs = Pico.m.frame_count*3 + 0x40;\r |
918 | if (offs+3 > movie_size) {\r |
919 | free(movie_data);\r |
920 | movie_data = 0;\r |
b5bfb864 |
921 | emu_status_msg("END OF MOVIE.");\r |
f013066e |
922 | lprintf("END OF MOVIE.\n");\r |
f013066e |
923 | } else {\r |
924 | // MXYZ SACB RLDU\r |
925 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
61f66fe0 |
926 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r |
927 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r |
928 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r |
f013066e |
929 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
61f66fe0 |
930 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r |
931 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r |
932 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r |
f013066e |
933 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
934 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
935 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
936 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
937 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
938 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
939 | }\r |
940 | }\r |
941 | \r |
f013066e |
942 | static int try_ropen_file(const char *fname)\r |
943 | {\r |
944 | FILE *f;\r |
945 | \r |
946 | f = fopen(fname, "rb");\r |
947 | if (f) {\r |
948 | fclose(f);\r |
949 | return 1;\r |
950 | }\r |
951 | return 0;\r |
952 | }\r |
953 | \r |
ee0f881e |
954 | char *emu_get_save_fname(int load, int is_sram, int slot)\r |
f013066e |
955 | {\r |
6c026031 |
956 | char *saveFname = static_buff;\r |
f013066e |
957 | char ext[16];\r |
958 | \r |
959 | if (is_sram)\r |
960 | {\r |
609d0c07 |
961 | strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r |
0c9ae592 |
962 | romfname_ext(saveFname, sizeof(static_buff),\r |
963 | (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r |
609d0c07 |
964 | if (!load)\r |
965 | return saveFname;\r |
966 | \r |
967 | if (try_ropen_file(saveFname))\r |
968 | return saveFname;\r |
969 | \r |
0c9ae592 |
970 | romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r |
609d0c07 |
971 | if (try_ropen_file(saveFname))\r |
972 | return saveFname;\r |
f013066e |
973 | }\r |
974 | else\r |
975 | {\r |
609d0c07 |
976 | const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r |
977 | const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r |
f013066e |
978 | ext[0] = 0;\r |
609d0c07 |
979 | if (slot > 0 && slot < 10)\r |
980 | sprintf(ext, ".%i", slot);\r |
981 | strcat(ext, ext_main);\r |
982 | \r |
983 | if (!load) {\r |
0c9ae592 |
984 | romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r |
609d0c07 |
985 | return saveFname;\r |
986 | }\r |
987 | else {\r |
0c9ae592 |
988 | romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r |
609d0c07 |
989 | if (try_ropen_file(saveFname))\r |
990 | return saveFname;\r |
f013066e |
991 | \r |
0c9ae592 |
992 | romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r |
609d0c07 |
993 | if (try_ropen_file(saveFname))\r |
994 | return saveFname;\r |
995 | \r |
996 | // try the other ext\r |
997 | ext[0] = 0;\r |
998 | if (slot > 0 && slot < 10)\r |
999 | sprintf(ext, ".%i", slot);\r |
1000 | strcat(ext, ext_othr);\r |
1001 | \r |
0c9ae592 |
1002 | romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r |
609d0c07 |
1003 | if (try_ropen_file(saveFname))\r |
1004 | return saveFname;\r |
f013066e |
1005 | }\r |
1006 | }\r |
1007 | \r |
609d0c07 |
1008 | return NULL;\r |
f013066e |
1009 | }\r |
1010 | \r |
ee0f881e |
1011 | int emu_check_save_file(int slot)\r |
f013066e |
1012 | {\r |
ee0f881e |
1013 | return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r |
f013066e |
1014 | }\r |
1015 | \r |
ee0f881e |
1016 | int emu_save_load_game(int load, int sram)\r |
f013066e |
1017 | {\r |
1018 | int ret = 0;\r |
1019 | char *saveFname;\r |
1020 | \r |
1021 | // make save filename\r |
ee0f881e |
1022 | saveFname = emu_get_save_fname(load, sram, state_slot);\r |
f013066e |
1023 | if (saveFname == NULL) {\r |
388947f3 |
1024 | if (!sram)\r |
b5bfb864 |
1025 | emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r |
f013066e |
1026 | return -1;\r |
1027 | }\r |
1028 | \r |
1029 | lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
1030 | \r |
11f4e722 |
1031 | if (sram)\r |
1032 | {\r |
f013066e |
1033 | FILE *sramFile;\r |
1034 | int sram_size;\r |
1035 | unsigned char *sram_data;\r |
1036 | int truncate = 1;\r |
dd5fd477 |
1037 | if (PicoAHW & PAHW_MCD)\r |
1038 | {\r |
a4bd56c6 |
1039 | if (PicoOpt & POPT_EN_MCD_RAMCART) {\r |
f013066e |
1040 | sram_size = 0x12000;\r |
1041 | sram_data = SRam.data;\r |
1042 | if (sram_data)\r |
1043 | memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r |
1044 | } else {\r |
1045 | sram_size = 0x2000;\r |
1046 | sram_data = Pico_mcd->bram;\r |
1047 | truncate = 0; // the .brm may contain RAM cart data after normal brm\r |
1048 | }\r |
1049 | } else {\r |
a4bd56c6 |
1050 | sram_size = SRam.size;\r |
f013066e |
1051 | sram_data = SRam.data;\r |
1052 | }\r |
5f7b5155 |
1053 | if (sram_data == NULL)\r |
1054 | return 0; // SRam forcefully disabled for this game\r |
f013066e |
1055 | \r |
dd5fd477 |
1056 | if (load)\r |
1057 | {\r |
f013066e |
1058 | sramFile = fopen(saveFname, "rb");\r |
5f7b5155 |
1059 | if (!sramFile)\r |
1060 | return -1;\r |
1061 | ret = fread(sram_data, 1, sram_size, sramFile);\r |
1062 | ret = ret > 0 ? 0 : -1;\r |
f013066e |
1063 | fclose(sramFile);\r |
dd5fd477 |
1064 | if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r |
f013066e |
1065 | memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r |
1066 | } else {\r |
1067 | // sram save needs some special processing\r |
1068 | // see if we have anything to save\r |
1069 | for (; sram_size > 0; sram_size--)\r |
1070 | if (sram_data[sram_size-1]) break;\r |
1071 | \r |
1072 | if (sram_size) {\r |
1073 | sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r |
1074 | if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r |
1075 | if (!sramFile) return -1;\r |
1076 | ret = fwrite(sram_data, 1, sram_size, sramFile);\r |
1077 | ret = (ret != sram_size) ? -1 : 0;\r |
1078 | fclose(sramFile);\r |
1079 | #ifndef NO_SYNC\r |
1080 | sync();\r |
1081 | #endif\r |
1082 | }\r |
1083 | }\r |
1084 | return ret;\r |
1085 | }\r |
1086 | else\r |
1087 | {\r |
85bd209c |
1088 | ret = PicoState(saveFname, !load);\r |
1089 | if (!ret) {\r |
f013066e |
1090 | #ifndef NO_SYNC\r |
85bd209c |
1091 | if (!load) sync();\r |
f013066e |
1092 | #endif\r |
22b2271a |
1093 | emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r |
85bd209c |
1094 | } else {\r |
b5bfb864 |
1095 | emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r |
f013066e |
1096 | ret = -1;\r |
1097 | }\r |
1098 | \r |
f013066e |
1099 | return ret;\r |
1100 | }\r |
1101 | }\r |
8e708f92 |
1102 | \r |
ee0f881e |
1103 | void emu_set_fastforward(int set_on)\r |
8a091e48 |
1104 | {\r |
1105 | static void *set_PsndOut = NULL;\r |
1106 | static int set_Frameskip, set_EmuOpt, is_on = 0;\r |
1107 | \r |
1108 | if (set_on && !is_on) {\r |
1109 | set_PsndOut = PsndOut;\r |
1110 | set_Frameskip = currentConfig.Frameskip;\r |
1111 | set_EmuOpt = currentConfig.EmuOpt;\r |
1112 | PsndOut = NULL;\r |
1113 | currentConfig.Frameskip = 8;\r |
1114 | currentConfig.EmuOpt &= ~4;\r |
1115 | currentConfig.EmuOpt |= 0x40000;\r |
1116 | is_on = 1;\r |
b5bfb864 |
1117 | emu_status_msg("FAST FORWARD");\r |
8a091e48 |
1118 | }\r |
1119 | else if (!set_on && is_on) {\r |
1120 | PsndOut = set_PsndOut;\r |
1121 | currentConfig.Frameskip = set_Frameskip;\r |
1122 | currentConfig.EmuOpt = set_EmuOpt;\r |
1123 | PsndRerate(1);\r |
1124 | is_on = 0;\r |
1125 | }\r |
1126 | }\r |
1127 | \r |
0f4090a9 |
1128 | static void emu_tray_open(void)\r |
8a091e48 |
1129 | {\r |
0f4090a9 |
1130 | engineState = PGS_TrayMenu;\r |
1131 | }\r |
1132 | \r |
1133 | static void emu_tray_close(void)\r |
1134 | {\r |
1135 | emu_status_msg("CD tray closed.");\r |
93c18cb4 |
1136 | }\r |
1137 | \r |
9efc102f |
1138 | void emu_32x_startup(void)\r |
1139 | {\r |
662e622b |
1140 | plat_video_toggle_renderer(0, 0);\r |
9efc102f |
1141 | system_announce();\r |
1142 | }\r |
1143 | \r |
93c18cb4 |
1144 | void emu_reset_game(void)\r |
1145 | {\r |
1146 | PicoReset();\r |
1147 | reset_timing = 1;\r |
1148 | }\r |
1149 | \r |
1150 | void run_events_pico(unsigned int events)\r |
1151 | {\r |
1152 | int lim_x;\r |
1153 | \r |
1154 | if (events & PEV_PICO_SWINP) {\r |
8a091e48 |
1155 | pico_inp_mode++;\r |
388947f3 |
1156 | if (pico_inp_mode > 2)\r |
1157 | pico_inp_mode = 0;\r |
8a091e48 |
1158 | switch (pico_inp_mode) {\r |
b5bfb864 |
1159 | case 2: emu_status_msg("Input: Pen on Pad"); break;\r |
1160 | case 1: emu_status_msg("Input: Pen on Storyware"); break;\r |
1161 | case 0: emu_status_msg("Input: Joystick");\r |
8a091e48 |
1162 | PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
1163 | break;\r |
1164 | }\r |
8a091e48 |
1165 | }\r |
93c18cb4 |
1166 | if (events & PEV_PICO_PPREV) {\r |
8a091e48 |
1167 | PicoPicohw.page--;\r |
388947f3 |
1168 | if (PicoPicohw.page < 0)\r |
1169 | PicoPicohw.page = 0;\r |
b5bfb864 |
1170 | emu_status_msg("Page %i", PicoPicohw.page);\r |
8a091e48 |
1171 | }\r |
93c18cb4 |
1172 | if (events & PEV_PICO_PNEXT) {\r |
8a091e48 |
1173 | PicoPicohw.page++;\r |
388947f3 |
1174 | if (PicoPicohw.page > 6)\r |
1175 | PicoPicohw.page = 6;\r |
b5bfb864 |
1176 | emu_status_msg("Page %i", PicoPicohw.page);\r |
8a091e48 |
1177 | }\r |
93c18cb4 |
1178 | \r |
1179 | if (pico_inp_mode == 0)\r |
1180 | return;\r |
1181 | \r |
1182 | /* handle other input modes */\r |
1183 | if (PicoPad[0] & 1) pico_pen_y--;\r |
1184 | if (PicoPad[0] & 2) pico_pen_y++;\r |
1185 | if (PicoPad[0] & 4) pico_pen_x--;\r |
1186 | if (PicoPad[0] & 8) pico_pen_x++;\r |
1187 | PicoPad[0] &= ~0x0f; // release UDLR\r |
1188 | \r |
1189 | lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r |
1190 | if (pico_pen_y < 8)\r |
1191 | pico_pen_y = 8;\r |
1192 | if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r |
1193 | pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r |
1194 | if (pico_pen_x < 0)\r |
1195 | pico_pen_x = 0;\r |
1196 | if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r |
1197 | pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r |
1198 | \r |
1199 | PicoPicohw.pen_pos[0] = pico_pen_x;\r |
1200 | if (!(Pico.video.reg[12] & 1))\r |
1201 | PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r |
1202 | PicoPicohw.pen_pos[0] += 0x3c;\r |
1203 | PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r |
8a091e48 |
1204 | }\r |
1205 | \r |
388947f3 |
1206 | static void do_turbo(int *pad, int acts)\r |
6589c840 |
1207 | {\r |
1208 | static int turbo_pad = 0;\r |
1209 | static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r |
1210 | int inc = currentConfig.turbo_rate * 2;\r |
1211 | \r |
1212 | if (acts & 0x1000) {\r |
1213 | turbo_cnt[0] += inc;\r |
1214 | if (turbo_cnt[0] >= 60)\r |
1215 | turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r |
1216 | }\r |
1217 | if (acts & 0x2000) {\r |
1218 | turbo_cnt[1] += inc;\r |
1219 | if (turbo_cnt[1] >= 60)\r |
1220 | turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r |
1221 | }\r |
1222 | if (acts & 0x4000) {\r |
1223 | turbo_cnt[2] += inc;\r |
1224 | if (turbo_cnt[2] >= 60)\r |
1225 | turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r |
1226 | }\r |
1227 | *pad |= turbo_pad & (acts >> 8);\r |
1228 | }\r |
8a091e48 |
1229 | \r |
93c18cb4 |
1230 | static void run_events_ui(unsigned int which)\r |
388947f3 |
1231 | {\r |
1232 | if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r |
1233 | {\r |
1234 | int do_it = 1;\r |
ee0f881e |
1235 | if ( emu_check_save_file(state_slot) &&\r |
0c9ae592 |
1236 | (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r |
1237 | ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r |
388947f3 |
1238 | {\r |
1239 | const char *nm;\r |
1240 | char tmp[64];\r |
1241 | int keys, len;\r |
1242 | \r |
1243 | strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r |
1244 | len = strlen(tmp);\r |
1245 | nm = in_get_key_name(-1, -PBTN_MA3);\r |
1246 | snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r |
1247 | len = strlen(tmp);\r |
1248 | nm = in_get_key_name(-1, -PBTN_MBACK);\r |
1249 | snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r |
1250 | \r |
1251 | plat_status_msg_busy_first(tmp);\r |
1252 | \r |
1253 | in_set_blocking(1);\r |
1254 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r |
1255 | ;\r |
1256 | while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )\r |
1257 | ;\r |
1258 | if (keys & PBTN_MBACK)\r |
1259 | do_it = 0;\r |
1260 | while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))\r |
1261 | ;\r |
1262 | in_set_blocking(0);\r |
1263 | }\r |
1264 | if (do_it) {\r |
22b2271a |
1265 | plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r |
388947f3 |
1266 | PicoStateProgressCB = plat_status_msg_busy_next;\r |
ee0f881e |
1267 | emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r |
388947f3 |
1268 | PicoStateProgressCB = NULL;\r |
1269 | }\r |
1270 | }\r |
662e622b |
1271 | if (which & PEV_SWITCH_RND)\r |
388947f3 |
1272 | {\r |
662e622b |
1273 | plat_video_toggle_renderer(1, 0);\r |
388947f3 |
1274 | }\r |
1275 | if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r |
1276 | {\r |
1277 | if (which & PEV_SSLOT_PREV) {\r |
1278 | state_slot -= 1;\r |
1279 | if (state_slot < 0)\r |
1280 | state_slot = 9;\r |
1281 | } else {\r |
1282 | state_slot += 1;\r |
1283 | if (state_slot > 9)\r |
1284 | state_slot = 0;\r |
1285 | }\r |
1286 | \r |
b5bfb864 |
1287 | emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r |
ee0f881e |
1288 | emu_check_save_file(state_slot) ? "USED" : "FREE");\r |
388947f3 |
1289 | }\r |
1290 | if (which & PEV_MENU)\r |
1291 | engineState = PGS_Menu;\r |
1292 | }\r |
1293 | \r |
1294 | void emu_update_input(void)\r |
1295 | {\r |
8e77275e |
1296 | static int prev_events = 0;\r |
1297 | int actions[IN_BINDTYPE_COUNT] = { 0, };\r |
1298 | int pl_actions[2];\r |
1299 | int events;\r |
388947f3 |
1300 | \r |
8e77275e |
1301 | in_update(actions);\r |
388947f3 |
1302 | \r |
8e77275e |
1303 | pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r |
1304 | pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r |
388947f3 |
1305 | \r |
8e77275e |
1306 | PicoPad[0] = pl_actions[0] & 0xfff;\r |
1307 | PicoPad[1] = pl_actions[1] & 0xfff;\r |
388947f3 |
1308 | \r |
8e77275e |
1309 | if (pl_actions[0] & 0x7000)\r |
1310 | do_turbo(&PicoPad[0], pl_actions[0]);\r |
1311 | if (pl_actions[1] & 0x7000)\r |
1312 | do_turbo(&PicoPad[1], pl_actions[1]);\r |
1313 | \r |
1314 | events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
388947f3 |
1315 | \r |
1316 | // volume is treated in special way and triggered every frame\r |
1317 | if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r |
1318 | plat_update_volume(1, events & PEV_VOL_UP);\r |
1319 | \r |
8e77275e |
1320 | if ((events ^ prev_events) & PEV_FF) {\r |
ee0f881e |
1321 | emu_set_fastforward(events & PEV_FF);\r |
388947f3 |
1322 | plat_update_volume(0, 0);\r |
93c18cb4 |
1323 | reset_timing = 1;\r |
388947f3 |
1324 | }\r |
1325 | \r |
8e77275e |
1326 | events &= ~prev_events;\r |
388947f3 |
1327 | \r |
93c18cb4 |
1328 | if (PicoAHW == PAHW_PICO)\r |
1329 | run_events_pico(events);\r |
388947f3 |
1330 | if (events)\r |
93c18cb4 |
1331 | run_events_ui(events);\r |
388947f3 |
1332 | if (movie_data)\r |
1333 | update_movie();\r |
1334 | \r |
8e77275e |
1335 | prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
388947f3 |
1336 | }\r |
1337 | \r |
93c18cb4 |
1338 | static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r |
1339 | {\r |
1340 | strcpy(path_with_reserve + pos, name);\r |
1341 | if (plat_is_dir(path_with_reserve))\r |
1342 | return;\r |
1343 | if (mkdir(path_with_reserve, 0777) < 0)\r |
1344 | lprintf("failed to create: %s\n", path_with_reserve);\r |
1345 | }\r |
1346 | \r |
1347 | void emu_init(void)\r |
1348 | {\r |
45deb409 |
1349 | char path[512];\r |
93c18cb4 |
1350 | int pos;\r |
1351 | \r |
d6c1b65b |
1352 | #if 0\r |
1353 | // FIXME: handle through menu, etc\r |
1354 | FILE *f;\r |
1355 | f = fopen("32X_M_BIOS.BIN", "rb");\r |
1356 | p32x_bios_m = malloc(2048);\r |
1357 | fread(p32x_bios_m, 1, 2048, f);\r |
1358 | fclose(f);\r |
1359 | f = fopen("32X_S_BIOS.BIN", "rb");\r |
1360 | p32x_bios_s = malloc(1024);\r |
1361 | fread(p32x_bios_s, 1, 1024, f);\r |
1362 | fclose(f);\r |
1363 | #endif\r |
1364 | \r |
93c18cb4 |
1365 | /* make dirs for saves */\r |
45deb409 |
1366 | pos = plat_get_root_dir(path, sizeof(path) - 4);\r |
1367 | mkdir_path(path, pos, "mds");\r |
1368 | mkdir_path(path, pos, "srm");\r |
1369 | mkdir_path(path, pos, "brm");\r |
1370 | \r |
5ff8efa9 |
1371 | pprof_init();\r |
1372 | \r |
45deb409 |
1373 | make_config_cfg(path);\r |
1374 | config_readlrom(path);\r |
93c18cb4 |
1375 | \r |
1376 | PicoInit();\r |
1377 | PicoMessage = plat_status_msg_busy_next;\r |
0f4090a9 |
1378 | PicoMCDopenTray = emu_tray_open;\r |
1379 | PicoMCDcloseTray = emu_tray_close;\r |
93c18cb4 |
1380 | }\r |
1381 | \r |
1382 | void emu_finish(void)\r |
1383 | {\r |
1384 | // save SRAM\r |
ee0f881e |
1385 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1386 | emu_save_load_game(0, 1);\r |
93c18cb4 |
1387 | SRam.changed = 0;\r |
1388 | }\r |
1389 | \r |
45deb409 |
1390 | if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r |
1391 | char cfg[512];\r |
1392 | make_config_cfg(cfg);\r |
1393 | config_writelrom(cfg);\r |
1394 | #ifndef NO_SYNC\r |
1395 | sync();\r |
1396 | #endif\r |
1397 | }\r |
93c18cb4 |
1398 | \r |
5ff8efa9 |
1399 | pprof_finish();\r |
1400 | \r |
93c18cb4 |
1401 | PicoExit();\r |
1402 | }\r |
1403 | \r |
b5bfb864 |
1404 | static void skip_frame(int do_audio)\r |
1405 | {\r |
1406 | PicoSkipFrame = do_audio ? 1 : 2;\r |
1407 | PicoFrame();\r |
1408 | PicoSkipFrame = 0;\r |
1409 | }\r |
1410 | \r |
1411 | /* our tick here is 1 us right now */\r |
1412 | #define ms_to_ticks(x) (unsigned int)(x * 1000)\r |
1413 | #define get_ticks() plat_get_ticks_us()\r |
1414 | \r |
1415 | void emu_loop(void)\r |
1416 | {\r |
1417 | int pframes_done; /* "period" frames, used for sync */\r |
1418 | int frames_done, frames_shown; /* actual frames for fps counter */\r |
ab8a8d36 |
1419 | int target_fps, target_frametime;\r |
b5bfb864 |
1420 | unsigned int timestamp_base = 0, timestamp_fps;\r |
1421 | char *notice_msg = NULL;\r |
1422 | char fpsbuff[24];\r |
1423 | int i;\r |
1424 | \r |
1425 | fpsbuff[0] = 0;\r |
1426 | \r |
1427 | /* make sure we are in correct mode */\r |
b5bfb864 |
1428 | Pico.m.dirtyPal = 1;\r |
ab8a8d36 |
1429 | rendstatus_old = -1;\r |
b5bfb864 |
1430 | \r |
1431 | /* number of ticks per frame */\r |
1432 | if (Pico.m.pal) {\r |
1433 | target_fps = 50;\r |
1434 | target_frametime = ms_to_ticks(1000) / 50;\r |
1435 | } else {\r |
1436 | target_fps = 60;\r |
1437 | target_frametime = ms_to_ticks(1000) / 60 + 1;\r |
1438 | }\r |
1439 | \r |
1440 | // prepare CD buffer\r |
1441 | if (PicoAHW & PAHW_MCD)\r |
1442 | PicoCDBufferInit();\r |
35cbf2ec |
1443 | PicoLoopPrepare();\r |
b5bfb864 |
1444 | \r |
b5bfb864 |
1445 | pemu_loop_prep();\r |
1446 | \r |
1447 | timestamp_fps = get_ticks();\r |
1448 | reset_timing = 1;\r |
1449 | \r |
1450 | frames_done = frames_shown = pframes_done = 0;\r |
1451 | \r |
f71361b5 |
1452 | plat_video_wait_vsync();\r |
1453 | \r |
b5bfb864 |
1454 | /* loop with resync every 1 sec. */\r |
1455 | while (engineState == PGS_Running)\r |
1456 | {\r |
1457 | unsigned int timestamp;\r |
1458 | int diff, diff_lim;\r |
b5bfb864 |
1459 | \r |
5ff8efa9 |
1460 | pprof_start(main);\r |
1461 | \r |
b5bfb864 |
1462 | timestamp = get_ticks();\r |
1463 | if (reset_timing) {\r |
1464 | reset_timing = 0;\r |
1465 | timestamp_base = timestamp;\r |
1466 | pframes_done = 0;\r |
1467 | }\r |
1468 | \r |
1469 | // show notice_msg message?\r |
1470 | if (notice_msg_time != 0)\r |
1471 | {\r |
1472 | static int noticeMsgSum;\r |
22b2271a |
1473 | if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r |
b5bfb864 |
1474 | notice_msg_time = 0;\r |
1475 | plat_status_msg_clear();\r |
1476 | notice_msg = NULL;\r |
1477 | } else {\r |
1478 | int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r |
1479 | if (sum != noticeMsgSum) {\r |
1480 | plat_status_msg_clear();\r |
1481 | noticeMsgSum = sum;\r |
1482 | }\r |
1483 | notice_msg = noticeMsg;\r |
1484 | }\r |
1485 | }\r |
1486 | \r |
b5bfb864 |
1487 | // second changed?\r |
1488 | if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r |
1489 | {\r |
1490 | #ifdef BENCHMARK\r |
1491 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
1492 | if (++bench == 10) {\r |
1493 | bench = 0;\r |
1494 | bench_fps_s = bench_fps;\r |
1495 | bf[bfp++ & 3] = bench_fps;\r |
1496 | bench_fps = 0;\r |
1497 | }\r |
1498 | bench_fps += frames_shown;\r |
1499 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
9cfdd2d2 |
1500 | printf("%s\n", fpsbuff);\r |
b5bfb864 |
1501 | #else\r |
1502 | if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r |
1503 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
1504 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
1505 | }\r |
1506 | #endif\r |
1507 | frames_shown = frames_done = 0;\r |
1508 | timestamp_fps += ms_to_ticks(1000);\r |
1509 | }\r |
1510 | #ifdef PFRAMES\r |
1511 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
1512 | #endif\r |
1513 | \r |
1514 | if (timestamp - timestamp_base >= ms_to_ticks(1000))\r |
1515 | {\r |
4858c633 |
1516 | if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r |
b5bfb864 |
1517 | pframes_done = 0;\r |
662e622b |
1518 | else\r |
b5bfb864 |
1519 | pframes_done -= target_fps;\r |
662e622b |
1520 | if (pframes_done < -2) {\r |
1521 | /* don't drag more than 2 frames behind */\r |
1522 | pframes_done = -2;\r |
1523 | timestamp_base = timestamp - 2 * target_frametime;\r |
4858c633 |
1524 | }\r |
662e622b |
1525 | else\r |
1526 | timestamp_base += ms_to_ticks(1000);\r |
b5bfb864 |
1527 | }\r |
1528 | \r |
1529 | diff = timestamp - timestamp_base;\r |
1530 | diff_lim = (pframes_done + 1) * target_frametime;\r |
1531 | \r |
1532 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
1533 | {\r |
1534 | for (i = 0; i < currentConfig.Frameskip; i++) {\r |
1535 | emu_update_input();\r |
1536 | skip_frame(1);\r |
1537 | pframes_done++; frames_done++;\r |
1538 | diff_lim += target_frametime;\r |
1539 | \r |
6c026031 |
1540 | if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {\r |
b5bfb864 |
1541 | timestamp = get_ticks();\r |
1542 | diff = timestamp - timestamp_base;\r |
7a5f9593 |
1543 | if (!reset_timing && diff < diff_lim) // we are too fast\r |
b5bfb864 |
1544 | plat_wait_till_us(timestamp_base + diff_lim);\r |
1545 | }\r |
1546 | }\r |
1547 | }\r |
1548 | else if (diff > diff_lim)\r |
1549 | {\r |
1550 | /* no time left for this frame - skip */\r |
662e622b |
1551 | /* limit auto frameskip to 8 */\r |
1552 | if (frames_done / 8 <= frames_shown) {\r |
1553 | emu_update_input();\r |
1554 | skip_frame(diff < diff_lim + target_frametime * 16);\r |
1555 | pframes_done++; frames_done++;\r |
b5bfb864 |
1556 | continue;\r |
1557 | }\r |
b5bfb864 |
1558 | }\r |
1559 | \r |
1560 | emu_update_input();\r |
1561 | PicoFrame();\r |
b188c2b6 |
1562 | pemu_finalize_frame(fpsbuff, notice_msg);\r |
1563 | \r |
5ff8efa9 |
1564 | // plat_video_flip();\r |
b5bfb864 |
1565 | \r |
1566 | /* frame limiter */\r |
6c026031 |
1567 | if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r |
b5bfb864 |
1568 | {\r |
1569 | timestamp = get_ticks();\r |
1570 | diff = timestamp - timestamp_base;\r |
1571 | \r |
1572 | // sleep or vsync if we are still too fast\r |
1573 | if (diff < diff_lim)\r |
1574 | {\r |
1575 | // we are too fast\r |
f71361b5 |
1576 | plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r |
1577 | if (currentConfig.EmuOpt & EOPT_VSYNC)\r |
b5bfb864 |
1578 | plat_video_wait_vsync();\r |
b5bfb864 |
1579 | }\r |
1580 | }\r |
1581 | \r |
b188c2b6 |
1582 | // XXX: for some plats it might be better to flip before vsync\r |
1583 | // (due to shadow registers in display hw)\r |
1584 | plat_video_flip();\r |
b5bfb864 |
1585 | \r |
1586 | pframes_done++; frames_done++; frames_shown++;\r |
5ff8efa9 |
1587 | \r |
1588 | pprof_end(main);\r |
b5bfb864 |
1589 | }\r |
1590 | \r |
1591 | emu_set_fastforward(0);\r |
1592 | \r |
b5bfb864 |
1593 | // save SRAM\r |
1594 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1595 | plat_status_msg_busy_first("Writing SRAM/BRAM...");\r |
1596 | emu_save_load_game(0, 1);\r |
1597 | SRam.changed = 0;\r |
1598 | }\r |
1599 | \r |
b5bfb864 |
1600 | pemu_loop_end();\r |
7bc9a680 |
1601 | \r |
1602 | // pemu_loop_end() might want to do 1 frame for bg image,\r |
1603 | // so free CD buffer here\r |
1604 | if (PicoAHW & PAHW_MCD)\r |
1605 | PicoCDBufferFree();\r |
b5bfb864 |
1606 | }\r |
1607 | \r |