cff531af |
1 | /*\r |
2 | * PicoDrive\r |
3 | * (C) notaz, 2007-2010\r |
4 | *\r |
5 | * This work is licensed under the terms of MAME license.\r |
6 | * See COPYING file in the top-level directory.\r |
7 | */\r |
ea8c405f |
8 | \r |
9 | #include <stdio.h>\r |
10 | #include <stdlib.h>\r |
4c2e3554 |
11 | #include <string.h>\r |
b24e0f6c |
12 | #include <stdarg.h>\r |
9c9cda8c |
13 | #ifdef __GP2X__\r |
ea8c405f |
14 | #include <unistd.h>\r |
15 | #endif\r |
16 | \r |
e743be20 |
17 | #include "../libpicofe/posix.h"\r |
18 | #include "../libpicofe/input.h"\r |
19 | #include "../libpicofe/fonts.h"\r |
df92fbd1 |
20 | #include "../libpicofe/sndout.h"\r |
e743be20 |
21 | #include "../libpicofe/lprintf.h"\r |
22 | #include "../libpicofe/plat.h"\r |
ea8c405f |
23 | #include "emu.h"\r |
e743be20 |
24 | #include "input_pico.h"\r |
25 | #include "menu_pico.h"\r |
39e6f973 |
26 | #include "config_file.h"\r |
ea8c405f |
27 | \r |
efcba75f |
28 | #include <pico/pico_int.h>\r |
29 | #include <pico/patch.h>\r |
ea8c405f |
30 | \r |
9c9cda8c |
31 | #ifndef _WIN32\r |
32 | #define PATH_SEP "/"\r |
33 | #define PATH_SEP_C '/'\r |
34 | #else\r |
35 | #define PATH_SEP "\\"\r |
36 | #define PATH_SEP_C '\\'\r |
37 | #endif\r |
ea8c405f |
38 | \r |
54646a39 |
39 | #define STATUS_MSG_TIMEOUT 2000\r |
40 | \r |
e2de9939 |
41 | void *g_screen_ptr;\r |
42 | \r |
9c9cda8c |
43 | int g_screen_width = 320;\r |
44 | int g_screen_height = 240;\r |
e2de9939 |
45 | \r |
c46ffd31 |
46 | char *PicoConfigFile = "config.cfg";\r |
58c86d00 |
47 | currentConfig_t currentConfig, defaultConfig;\r |
ea8c405f |
48 | int state_slot = 0;\r |
49 | int config_slot = 0, config_slot_current = 0;\r |
f2cf8472 |
50 | int pico_pen_x = 320/2, pico_pen_y = 240/2;\r |
b7d64dbd |
51 | int pico_inp_mode;\r |
52 | int flip_after_sync;\r |
713c9224 |
53 | int engineState = PGS_Menu;\r |
54 | \r |
df92fbd1 |
55 | static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r |
56 | \r |
ae87bffa |
57 | /* tmp buff to reduce stack usage for plats with small stack */\r |
58 | static char static_buff[512];\r |
636d5f25 |
59 | const char *rom_fname_reload;\r |
ae87bffa |
60 | char rom_fname_loaded[512];\r |
f2cf8472 |
61 | int reset_timing = 0;\r |
b24e0f6c |
62 | static unsigned int notice_msg_time; /* when started showing */\r |
63 | static char noticeMsg[40];\r |
ea8c405f |
64 | \r |
65 | unsigned char *movie_data = NULL;\r |
66 | static int movie_size = 0;\r |
67 | \r |
ea8c405f |
68 | \r |
ee2a3bdf |
69 | /* don't use tolower() for easy old glibc binary compatibility */\r |
f8af9634 |
70 | static void strlwr_(char *string)\r |
ea8c405f |
71 | {\r |
f8af9634 |
72 | char *p;\r |
73 | for (p = string; *p; p++)\r |
ee2a3bdf |
74 | if ('A' <= *p && *p <= 'Z')\r |
75 | *p += 'a' - 'A';\r |
ea8c405f |
76 | }\r |
77 | \r |
ca482e5d |
78 | static int try_rfn_cut(char *fname)\r |
ea8c405f |
79 | {\r |
80 | FILE *tmp;\r |
81 | char *p;\r |
82 | \r |
ca482e5d |
83 | p = fname + strlen(fname) - 1;\r |
84 | for (; p > fname; p--)\r |
ea8c405f |
85 | if (*p == '.') break;\r |
86 | *p = 0;\r |
87 | \r |
ca482e5d |
88 | if((tmp = fopen(fname, "rb"))) {\r |
ea8c405f |
89 | fclose(tmp);\r |
90 | return 1;\r |
91 | }\r |
92 | return 0;\r |
93 | }\r |
94 | \r |
35e3031a |
95 | static void get_ext(const char *file, char *ext)\r |
ea8c405f |
96 | {\r |
35e3031a |
97 | const char *p;\r |
ea8c405f |
98 | \r |
99 | p = file + strlen(file) - 4;\r |
100 | if (p < file) p = file;\r |
101 | strncpy(ext, p, 4);\r |
102 | ext[4] = 0;\r |
103 | strlwr_(ext);\r |
104 | }\r |
105 | \r |
fcdefcf6 |
106 | static void fname_ext(char *dst, int dstlen, const char *prefix, const char *ext, const char *fname)\r |
107 | {\r |
108 | int prefix_len = 0;\r |
109 | const char *p;\r |
110 | \r |
111 | *dst = 0;\r |
112 | if (prefix) {\r |
113 | int len = plat_get_root_dir(dst, dstlen);\r |
114 | strcpy(dst + len, prefix);\r |
115 | prefix_len = len + strlen(prefix);\r |
116 | }\r |
117 | \r |
118 | p = fname + strlen(fname) - 1;\r |
119 | for (; p >= fname && *p != PATH_SEP_C; p--)\r |
120 | ;\r |
121 | p++;\r |
122 | strncpy(dst + prefix_len, p, dstlen - prefix_len - 1);\r |
123 | \r |
124 | dst[dstlen - 8] = 0;\r |
125 | if (dst[strlen(dst) - 4] == '.')\r |
126 | dst[strlen(dst) - 4] = 0;\r |
127 | if (ext)\r |
128 | strcat(dst, ext);\r |
129 | }\r |
130 | \r |
131 | static void romfname_ext(char *dst, int dstlen, const char *prefix, const char *ext)\r |
132 | {\r |
133 | fname_ext(dst, dstlen, prefix, ext, rom_fname_loaded);\r |
134 | }\r |
135 | \r |
b24e0f6c |
136 | void emu_status_msg(const char *format, ...)\r |
137 | {\r |
138 | va_list vl;\r |
54646a39 |
139 | int ret;\r |
b24e0f6c |
140 | \r |
141 | va_start(vl, format);\r |
54646a39 |
142 | ret = vsnprintf(noticeMsg, sizeof(noticeMsg), format, vl);\r |
b24e0f6c |
143 | va_end(vl);\r |
144 | \r |
54646a39 |
145 | /* be sure old text gets overwritten */\r |
146 | for (; ret < 28; ret++)\r |
147 | noticeMsg[ret] = ' ';\r |
148 | noticeMsg[ret] = 0;\r |
149 | \r |
b24e0f6c |
150 | notice_msg_time = plat_get_ticks_ms();\r |
151 | }\r |
152 | \r |
2446536b |
153 | static const char * const biosfiles_us[] = {\r |
154 | "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303", "bios_CD_U"\r |
155 | };\r |
156 | static const char * const biosfiles_eu[] = {\r |
157 | "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303", "bios_CD_E"\r |
158 | };\r |
159 | static const char * const biosfiles_jp[] = {\r |
160 | "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"\r |
161 | };\r |
ea8c405f |
162 | \r |
4c2e3554 |
163 | static const char *find_bios(int *region, const char *cd_fname)\r |
ea8c405f |
164 | {\r |
ea8c405f |
165 | int i, count;\r |
54646a39 |
166 | const char * const *files;\r |
ea8c405f |
167 | FILE *f = NULL;\r |
4c2e3554 |
168 | int ret;\r |
169 | \r |
170 | // we need to have config loaded at this point\r |
171 | ret = emu_read_config(cd_fname, 0);\r |
172 | if (!ret) emu_read_config(NULL, 0);\r |
173 | \r |
174 | if (PicoRegionOverride) {\r |
175 | *region = PicoRegionOverride;\r |
176 | lprintf("override region to %s\n", *region != 4 ?\r |
177 | (*region == 8 ? "EU" : "JAP") : "USA");\r |
178 | }\r |
ea8c405f |
179 | \r |
4c2e3554 |
180 | if (*region == 4) { // US\r |
ea8c405f |
181 | files = biosfiles_us;\r |
182 | count = sizeof(biosfiles_us) / sizeof(char *);\r |
4c2e3554 |
183 | } else if (*region == 8) { // EU\r |
ea8c405f |
184 | files = biosfiles_eu;\r |
185 | count = sizeof(biosfiles_eu) / sizeof(char *);\r |
4c2e3554 |
186 | } else if (*region == 1 || *region == 2) {\r |
ea8c405f |
187 | files = biosfiles_jp;\r |
188 | count = sizeof(biosfiles_jp) / sizeof(char *);\r |
189 | } else {\r |
190 | return 0;\r |
191 | }\r |
192 | \r |
193 | for (i = 0; i < count; i++)\r |
194 | {\r |
ae87bffa |
195 | emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);\r |
196 | strcat(static_buff, ".bin");\r |
197 | f = fopen(static_buff, "rb");\r |
ea8c405f |
198 | if (f) break;\r |
199 | \r |
ae87bffa |
200 | static_buff[strlen(static_buff) - 4] = 0;\r |
201 | strcat(static_buff, ".zip");\r |
202 | f = fopen(static_buff, "rb");\r |
ea8c405f |
203 | if (f) break;\r |
204 | }\r |
205 | \r |
206 | if (f) {\r |
ae87bffa |
207 | lprintf("using bios: %s\n", static_buff);\r |
ea8c405f |
208 | fclose(f);\r |
4c2e3554 |
209 | return static_buff;\r |
ea8c405f |
210 | } else {\r |
ae87bffa |
211 | sprintf(static_buff, "no %s BIOS files found, read docs",\r |
4c2e3554 |
212 | *region != 4 ? (*region == 8 ? "EU" : "JAP") : "USA");\r |
e743be20 |
213 | menu_update_msg(static_buff);\r |
4c2e3554 |
214 | return NULL;\r |
ea8c405f |
215 | }\r |
216 | }\r |
217 | \r |
c6196c0f |
218 | /* check if the name begins with BIOS name */\r |
1ca2ea4f |
219 | /*\r |
c6196c0f |
220 | static int emu_isBios(const char *name)\r |
221 | {\r |
222 | int i;\r |
223 | for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++)\r |
224 | if (strstr(name, biosfiles_us[i]) != NULL) return 1;\r |
225 | for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++)\r |
226 | if (strstr(name, biosfiles_eu[i]) != NULL) return 1;\r |
227 | for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++)\r |
228 | if (strstr(name, biosfiles_jp[i]) != NULL) return 1;\r |
229 | return 0;\r |
230 | }\r |
1ca2ea4f |
231 | */\r |
c6196c0f |
232 | \r |
7a87643e |
233 | static int extract_text(char *dest, const unsigned char *src, int len, int swab)\r |
58c86d00 |
234 | {\r |
235 | char *p = dest;\r |
236 | int i;\r |
237 | \r |
238 | if (swab) swab = 1;\r |
239 | \r |
240 | for (i = len - 1; i >= 0; i--)\r |
241 | {\r |
242 | if (src[i^swab] != ' ') break;\r |
243 | }\r |
244 | len = i + 1;\r |
245 | \r |
246 | for (i = 0; i < len; i++)\r |
247 | {\r |
248 | unsigned char s = src[i^swab];\r |
249 | if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' &&\r |
250 | s != '[' && s != ']' && s != '\\')\r |
251 | {\r |
252 | *p++ = s;\r |
253 | }\r |
254 | else\r |
255 | {\r |
256 | sprintf(p, "\\%02x", s);\r |
257 | p += 3;\r |
258 | }\r |
259 | }\r |
260 | \r |
261 | return p - dest;\r |
262 | }\r |
263 | \r |
fcdefcf6 |
264 | static char *emu_make_rom_id(const char *fname)\r |
58c86d00 |
265 | {\r |
ca482e5d |
266 | static char id_string[3+0xe*3+0x3*3+0x30*3+3];\r |
bdec53c9 |
267 | int pos, swab = 1;\r |
58c86d00 |
268 | \r |
602133e1 |
269 | if (PicoAHW & PAHW_MCD) {\r |
bdec53c9 |
270 | strcpy(id_string, "CD|");\r |
271 | swab = 0;\r |
272 | }\r |
fcdefcf6 |
273 | else if (PicoAHW & PAHW_SMS)\r |
274 | strcpy(id_string, "MS|");\r |
275 | else strcpy(id_string, "MD|");\r |
58c86d00 |
276 | pos = 3;\r |
277 | \r |
fcdefcf6 |
278 | if (!(PicoAHW & PAHW_SMS)) {\r |
4c2e3554 |
279 | pos += extract_text(id_string + pos, media_id_header + 0x80, 0x0e, swab); // serial\r |
fcdefcf6 |
280 | id_string[pos] = '|'; pos++;\r |
4c2e3554 |
281 | pos += extract_text(id_string + pos, media_id_header + 0xf0, 0x03, swab); // region\r |
fcdefcf6 |
282 | id_string[pos] = '|'; pos++;\r |
4c2e3554 |
283 | pos += extract_text(id_string + pos, media_id_header + 0x50, 0x30, swab); // overseas name\r |
fcdefcf6 |
284 | id_string[pos] = 0;\r |
285 | if (pos > 5)\r |
286 | return id_string;\r |
287 | pos = 3;\r |
288 | }\r |
289 | \r |
290 | // can't find name in ROM, use filename\r |
291 | fname_ext(id_string + 3, sizeof(id_string) - 3, NULL, NULL, fname);\r |
58c86d00 |
292 | \r |
58c86d00 |
293 | return id_string;\r |
294 | }\r |
295 | \r |
ca482e5d |
296 | // buffer must be at least 150 byte long\r |
a47dd663 |
297 | void emu_get_game_name(char *str150)\r |
ca482e5d |
298 | {\r |
299 | int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;\r |
300 | char *s, *d;\r |
301 | \r |
4c2e3554 |
302 | ret = extract_text(str150, media_id_header + 0x50, 0x30, swab); // overseas name\r |
ca482e5d |
303 | \r |
304 | for (s = d = str150 + 1; s < str150+ret; s++)\r |
305 | {\r |
306 | if (*s == 0) break;\r |
307 | if (*s != ' ' || d[-1] != ' ')\r |
308 | *d++ = *s;\r |
309 | }\r |
310 | *d = 0;\r |
311 | }\r |
312 | \r |
974fdb5b |
313 | static void system_announce(void)\r |
314 | {\r |
f3a57b2d |
315 | const char *sys_name, *tv_standard, *extra = "";\r |
974fdb5b |
316 | int fps;\r |
317 | \r |
318 | if (PicoAHW & PAHW_SMS) {\r |
319 | sys_name = "Master System";\r |
f3a57b2d |
320 | #ifdef NO_SMS\r |
321 | extra = " [no support]";\r |
322 | #endif\r |
974fdb5b |
323 | } else if (PicoAHW & PAHW_PICO) {\r |
324 | sys_name = "Pico";\r |
325 | } else if (PicoAHW & PAHW_MCD) {\r |
326 | sys_name = "Mega CD";\r |
327 | if ((Pico.m.hardware & 0xc0) == 0x80)\r |
328 | sys_name = "Sega CD";\r |
329 | } else if (PicoAHW & PAHW_32X) {\r |
330 | sys_name = "32X";\r |
331 | } else {\r |
332 | sys_name = "MegaDrive";\r |
333 | if ((Pico.m.hardware & 0xc0) == 0x80)\r |
334 | sys_name = "Genesis";\r |
335 | }\r |
336 | tv_standard = Pico.m.pal ? "PAL" : "NTSC";\r |
337 | fps = Pico.m.pal ? 50 : 60;\r |
338 | \r |
f3a57b2d |
339 | emu_status_msg("%s %s / %dFPS%s", tv_standard, sys_name, fps, extra);\r |
974fdb5b |
340 | }\r |
341 | \r |
4c2e3554 |
342 | static void do_region_override(const char *media_fname)\r |
343 | {\r |
344 | // we only need to override region if config tells us so\r |
345 | int ret = emu_read_config(media_fname, 0);\r |
346 | if (!ret) emu_read_config(NULL, 0);\r |
347 | }\r |
348 | \r |
636d5f25 |
349 | int emu_reload_rom(const char *rom_fname_in)\r |
ea8c405f |
350 | {\r |
636d5f25 |
351 | char *rom_fname = NULL;\r |
ea8c405f |
352 | char ext[5];\r |
4c2e3554 |
353 | enum media_type_e media_type;\r |
636d5f25 |
354 | int menu_romload_started = 0;\r |
4c2e3554 |
355 | char carthw_path[512];\r |
636d5f25 |
356 | int retval = 0;\r |
ea8c405f |
357 | \r |
636d5f25 |
358 | lprintf("emu_ReloadRom(%s)\n", rom_fname_in);\r |
ea8c405f |
359 | \r |
636d5f25 |
360 | rom_fname = strdup(rom_fname_in);\r |
361 | if (rom_fname == NULL)\r |
362 | return 0;\r |
363 | \r |
ca482e5d |
364 | get_ext(rom_fname, ext);\r |
ea8c405f |
365 | \r |
77189b7d |
366 | // early cleanup\r |
367 | PicoPatchUnload();\r |
eacee137 |
368 | if (movie_data) {\r |
ea8c405f |
369 | free(movie_data);\r |
370 | movie_data = 0;\r |
371 | }\r |
77189b7d |
372 | \r |
2d2247c2 |
373 | if (!strcmp(ext, ".gmv"))\r |
374 | {\r |
ea8c405f |
375 | // check for both gmv and rom\r |
376 | int dummy;\r |
ca482e5d |
377 | FILE *movie_file = fopen(rom_fname, "rb");\r |
b8a1c09a |
378 | if (!movie_file) {\r |
e743be20 |
379 | menu_update_msg("Failed to open movie.");\r |
636d5f25 |
380 | goto out;\r |
ea8c405f |
381 | }\r |
382 | fseek(movie_file, 0, SEEK_END);\r |
383 | movie_size = ftell(movie_file);\r |
384 | fseek(movie_file, 0, SEEK_SET);\r |
b8a1c09a |
385 | if (movie_size < 64+3) {\r |
e743be20 |
386 | menu_update_msg("Invalid GMV file.");\r |
ea8c405f |
387 | fclose(movie_file);\r |
636d5f25 |
388 | goto out;\r |
ea8c405f |
389 | }\r |
390 | movie_data = malloc(movie_size);\r |
b8a1c09a |
391 | if (movie_data == NULL) {\r |
e743be20 |
392 | menu_update_msg("low memory.");\r |
ea8c405f |
393 | fclose(movie_file);\r |
636d5f25 |
394 | goto out;\r |
ea8c405f |
395 | }\r |
b8a1c09a |
396 | dummy = fread(movie_data, 1, movie_size, movie_file);\r |
ea8c405f |
397 | fclose(movie_file);\r |
398 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
e743be20 |
399 | menu_update_msg("Invalid GMV file.");\r |
636d5f25 |
400 | goto out;\r |
ea8c405f |
401 | }\r |
ca482e5d |
402 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
ea8c405f |
403 | if (!dummy) {\r |
e743be20 |
404 | menu_update_msg("Could't find a ROM for movie.");\r |
636d5f25 |
405 | goto out;\r |
ea8c405f |
406 | }\r |
ca482e5d |
407 | get_ext(rom_fname, ext);\r |
f8af9634 |
408 | lprintf("gmv loaded for %s\n", rom_fname);\r |
ea8c405f |
409 | }\r |
ca482e5d |
410 | else if (!strcmp(ext, ".pat"))\r |
411 | {\r |
ea8c405f |
412 | int dummy;\r |
ca482e5d |
413 | PicoPatchLoad(rom_fname);\r |
414 | dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);\r |
ea8c405f |
415 | if (!dummy) {\r |
e743be20 |
416 | menu_update_msg("Could't find a ROM to patch.");\r |
636d5f25 |
417 | goto out;\r |
ea8c405f |
418 | }\r |
ca482e5d |
419 | get_ext(rom_fname, ext);\r |
ea8c405f |
420 | }\r |
421 | \r |
4c2e3554 |
422 | menu_romload_prepare(rom_fname); // also CD load\r |
423 | menu_romload_started = 1;\r |
ea8c405f |
424 | \r |
4c2e3554 |
425 | emu_make_path(carthw_path, "carthw.cfg", sizeof(carthw_path));\r |
3e49ffd0 |
426 | \r |
4c2e3554 |
427 | media_type = PicoLoadMedia(rom_fname, carthw_path,\r |
428 | find_bios, do_region_override);\r |
ea8c405f |
429 | \r |
4c2e3554 |
430 | switch (media_type) {\r |
431 | case PM_BAD_DETECT:\r |
432 | menu_update_msg("Not a ROM/CD img selected.");\r |
636d5f25 |
433 | goto out;\r |
4c2e3554 |
434 | case PM_BAD_CD:\r |
435 | menu_update_msg("Invalid CD image");\r |
636d5f25 |
436 | goto out;\r |
4c2e3554 |
437 | case PM_BAD_CD_NO_BIOS:\r |
438 | // find_bios() prints a message\r |
636d5f25 |
439 | goto out;\r |
4c2e3554 |
440 | case PM_ERROR:\r |
441 | menu_update_msg("Load error");\r |
636d5f25 |
442 | goto out;\r |
4c2e3554 |
443 | default:\r |
444 | break;\r |
ea8c405f |
445 | }\r |
446 | \r |
4b167c12 |
447 | menu_romload_end();\r |
636d5f25 |
448 | menu_romload_started = 0;\r |
4b167c12 |
449 | \r |
ea8c405f |
450 | if (PicoPatches) {\r |
451 | PicoPatchPrepare();\r |
452 | PicoPatchApply();\r |
453 | }\r |
454 | \r |
455 | // additional movie stuff\r |
f9f40f10 |
456 | if (movie_data)\r |
457 | {\r |
458 | if (movie_data[0x14] == '6')\r |
602133e1 |
459 | PicoOpt |= POPT_6BTN_PAD; // 6 button pad\r |
460 | else PicoOpt &= ~POPT_6BTN_PAD;\r |
2aa27095 |
461 | PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing\r |
f9f40f10 |
462 | if (movie_data[0xF] >= 'A') {\r |
463 | if (movie_data[0x16] & 0x80) {\r |
ea8c405f |
464 | PicoRegionOverride = 8;\r |
465 | } else {\r |
466 | PicoRegionOverride = 4;\r |
467 | }\r |
1cb1584b |
468 | PicoReset();\r |
ea8c405f |
469 | // TODO: bits 6 & 5\r |
470 | }\r |
471 | movie_data[0x18+30] = 0;\r |
b24e0f6c |
472 | emu_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);\r |
ea8c405f |
473 | }\r |
474 | else\r |
475 | {\r |
974fdb5b |
476 | system_announce();\r |
602133e1 |
477 | PicoOpt &= ~POPT_DIS_VDP_FIFO;\r |
ea8c405f |
478 | }\r |
ea8c405f |
479 | \r |
bcc9eda0 |
480 | strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);\r |
481 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
bcc9eda0 |
482 | \r |
ea8c405f |
483 | // load SRAM for this ROM\r |
a47dd663 |
484 | if (currentConfig.EmuOpt & EOPT_EN_SRAM)\r |
485 | emu_save_load_game(1, 1);\r |
ea8c405f |
486 | \r |
636d5f25 |
487 | retval = 1;\r |
488 | out:\r |
636d5f25 |
489 | if (menu_romload_started)\r |
490 | menu_romload_end();\r |
491 | free(rom_fname);\r |
492 | return retval;\r |
ea8c405f |
493 | }\r |
494 | \r |
35e3031a |
495 | int emu_swap_cd(const char *fname)\r |
496 | {\r |
497 | cd_img_type cd_type;\r |
498 | int ret = -1;\r |
499 | \r |
4c2e3554 |
500 | cd_type = PicoCdCheck(fname, NULL);\r |
35e3031a |
501 | if (cd_type != CIT_NOT_CD)\r |
502 | ret = Insert_CD(fname, cd_type);\r |
503 | if (ret != 0) {\r |
e743be20 |
504 | menu_update_msg("Load failed, invalid CD image?");\r |
35e3031a |
505 | return 0;\r |
506 | }\r |
507 | \r |
508 | strncpy(rom_fname_loaded, fname, sizeof(rom_fname_loaded)-1);\r |
509 | rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;\r |
510 | return 1;\r |
511 | }\r |
512 | \r |
ae87bffa |
513 | // <base dir><end>\r |
27701801 |
514 | void emu_make_path(char *buff, const char *end, int size)\r |
08fe8094 |
515 | {\r |
27701801 |
516 | int pos, end_len;\r |
517 | \r |
518 | end_len = strlen(end);\r |
519 | pos = plat_get_root_dir(buff, size);\r |
520 | strncpy(buff + pos, end, size - pos);\r |
521 | buff[size - 1] = 0;\r |
522 | if (pos + end_len > size - 1)\r |
523 | lprintf("Warning: path truncated: %s\n", buff);\r |
524 | }\r |
525 | \r |
526 | static void make_config_cfg(char *cfg_buff_512)\r |
527 | {\r |
528 | emu_make_path(cfg_buff_512, PicoConfigFile, 512-6);\r |
08fe8094 |
529 | if (config_slot != 0)\r |
530 | {\r |
27701801 |
531 | char *p = strrchr(cfg_buff_512, '.');\r |
532 | if (p == NULL)\r |
533 | p = cfg_buff_512 + strlen(cfg_buff_512);\r |
08fe8094 |
534 | sprintf(p, ".%i.cfg", config_slot);\r |
535 | }\r |
27701801 |
536 | cfg_buff_512[511] = 0;\r |
08fe8094 |
537 | }\r |
538 | \r |
697746df |
539 | void emu_prep_defconfig(void)\r |
540 | {\r |
541 | memset(&defaultConfig, 0, sizeof(defaultConfig));\r |
fcdefcf6 |
542 | defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_EN_CD_LEDS;\r |
697746df |
543 | defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |\r |
720bfc5d |
544 | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX |\r |
545 | POPT_EN_SVP_DRC|POPT_ACC_SPRITES |\r |
697746df |
546 | POPT_EN_32X|POPT_EN_PWM;\r |
547 | defaultConfig.s_PsndRate = 44100;\r |
548 | defaultConfig.s_PicoRegion = 0; // auto\r |
549 | defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
550 | defaultConfig.s_PicoCDBuffers = 0;\r |
fcdefcf6 |
551 | defaultConfig.confirm_save = EOPT_CONFIRM_SAVE;\r |
697746df |
552 | defaultConfig.Frameskip = -1; // auto\r |
553 | defaultConfig.volume = 50;\r |
554 | defaultConfig.gamma = 100;\r |
555 | defaultConfig.scaling = 0;\r |
556 | defaultConfig.turbo_rate = 15;\r |
ed4402a7 |
557 | defaultConfig.msh2_khz = PICO_MSH2_HZ / 1000;\r |
558 | defaultConfig.ssh2_khz = PICO_SSH2_HZ / 1000;\r |
697746df |
559 | \r |
560 | // platform specific overrides\r |
561 | pemu_prep_defconfig();\r |
562 | }\r |
563 | \r |
d90f5bd7 |
564 | void emu_set_defconfig(void)\r |
ca482e5d |
565 | {\r |
a47dd663 |
566 | memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig));\r |
ca482e5d |
567 | PicoOpt = currentConfig.s_PicoOpt;\r |
568 | PsndRate = currentConfig.s_PsndRate;\r |
569 | PicoRegionOverride = currentConfig.s_PicoRegion;\r |
570 | PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r |
571 | PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r |
572 | }\r |
573 | \r |
fcdefcf6 |
574 | int emu_read_config(const char *rom_fname, int no_defaults)\r |
ea8c405f |
575 | {\r |
58c86d00 |
576 | char cfg[512];\r |
58c86d00 |
577 | int ret;\r |
ea8c405f |
578 | \r |
490eb480 |
579 | if (!no_defaults)\r |
580 | emu_set_defconfig();\r |
581 | \r |
fcdefcf6 |
582 | if (rom_fname == NULL)\r |
ea8c405f |
583 | {\r |
fcdefcf6 |
584 | // global config\r |
08fe8094 |
585 | make_config_cfg(cfg);\r |
58c86d00 |
586 | ret = config_readsect(cfg, NULL);\r |
ea8c405f |
587 | }\r |
58c86d00 |
588 | else\r |
589 | {\r |
504e2f56 |
590 | char ext[16];\r |
591 | int vol;\r |
ea8c405f |
592 | \r |
58c86d00 |
593 | if (config_slot != 0)\r |
504e2f56 |
594 | snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r |
a39b7867 |
595 | else\r |
504e2f56 |
596 | strcpy(ext, ".cfg");\r |
597 | \r |
598 | fname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext, rom_fname);\r |
599 | \r |
600 | // read user's config\r |
601 | vol = currentConfig.volume;\r |
602 | ret = config_readsect(cfg, NULL);\r |
603 | currentConfig.volume = vol; // make vol global (bah)\r |
604 | \r |
605 | if (ret != 0)\r |
08fe8094 |
606 | {\r |
607 | // read global config, and apply game_def.cfg on top\r |
608 | make_config_cfg(cfg);\r |
609 | config_readsect(cfg, NULL);\r |
58c86d00 |
610 | \r |
504e2f56 |
611 | emu_make_path(cfg, "game_def.cfg", sizeof(cfg));\r |
612 | ret = config_readsect(cfg, emu_make_rom_id(rom_fname));\r |
58c86d00 |
613 | }\r |
ea8c405f |
614 | }\r |
58c86d00 |
615 | \r |
697746df |
616 | pemu_validate_config();\r |
ee2a3bdf |
617 | \r |
ea8c405f |
618 | // some sanity checks\r |
2445b7cb |
619 | #ifdef PSP\r |
ee2a3bdf |
620 | /* TODO: mv to plat_validate_config() */\r |
621 | if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
2445b7cb |
622 | if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0;\r |
6fc57144 |
623 | if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0;\r |
2445b7cb |
624 | #endif\r |
ee2a3bdf |
625 | if (currentConfig.volume < 0 || currentConfig.volume > 99)\r |
626 | currentConfig.volume = 50;\r |
627 | \r |
628 | if (ret == 0)\r |
629 | config_slot_current = config_slot;\r |
991473ad |
630 | \r |
58c86d00 |
631 | return (ret == 0);\r |
ea8c405f |
632 | }\r |
633 | \r |
634 | \r |
a47dd663 |
635 | int emu_write_config(int is_game)\r |
ea8c405f |
636 | {\r |
504e2f56 |
637 | char cfg[512];\r |
58c86d00 |
638 | int ret, write_lrom = 0;\r |
ea8c405f |
639 | \r |
58c86d00 |
640 | if (!is_game)\r |
ea8c405f |
641 | {\r |
ca482e5d |
642 | make_config_cfg(cfg);\r |
58c86d00 |
643 | write_lrom = 1;\r |
ea8c405f |
644 | } else {\r |
504e2f56 |
645 | char ext[16];\r |
646 | \r |
ea8c405f |
647 | if (config_slot != 0)\r |
504e2f56 |
648 | snprintf(ext, sizeof(ext), ".%i.cfg", config_slot);\r |
649 | else\r |
650 | strcpy(ext, ".cfg");\r |
651 | \r |
652 | romfname_ext(cfg, sizeof(cfg), "cfg"PATH_SEP, ext);\r |
ea8c405f |
653 | }\r |
654 | \r |
a47dd663 |
655 | lprintf("emu_write_config: %s ", cfg);\r |
504e2f56 |
656 | ret = config_write(cfg);\r |
1ca2ea4f |
657 | if (write_lrom) config_writelrom(cfg);\r |
9c9cda8c |
658 | #ifdef __GP2X__\r |
58c86d00 |
659 | sync();\r |
ea8c405f |
660 | #endif\r |
58c86d00 |
661 | lprintf((ret == 0) ? "(ok)\n" : "(failed)\n");\r |
ea8c405f |
662 | \r |
58c86d00 |
663 | if (ret == 0) config_slot_current = config_slot;\r |
664 | return ret == 0;\r |
ea8c405f |
665 | }\r |
666 | \r |
667 | \r |
e2de9939 |
668 | /* always using built-in font */\r |
669 | \r |
cc41eb4f |
670 | #define mk_text_out(name, type, val, topleft, step_x, step_y) \\r |
e2de9939 |
671 | void name(int x, int y, const char *text) \\r |
672 | { \\r |
673 | int i, l, len = strlen(text); \\r |
cc41eb4f |
674 | type *screen = (type *)(topleft) + x * step_x + y * step_y; \\r |
e2de9939 |
675 | \\r |
cc41eb4f |
676 | for (i = 0; i < len; i++, screen += 8 * step_x) \\r |
e2de9939 |
677 | { \\r |
678 | for (l = 0; l < 8; l++) \\r |
679 | { \\r |
680 | unsigned char fd = fontdata8x8[text[i] * 8 + l];\\r |
cc41eb4f |
681 | type *s = screen + l * step_y; \\r |
682 | if (fd&0x80) s[step_x * 0] = val; \\r |
683 | if (fd&0x40) s[step_x * 1] = val; \\r |
684 | if (fd&0x20) s[step_x * 2] = val; \\r |
685 | if (fd&0x10) s[step_x * 3] = val; \\r |
686 | if (fd&0x08) s[step_x * 4] = val; \\r |
687 | if (fd&0x04) s[step_x * 5] = val; \\r |
688 | if (fd&0x02) s[step_x * 6] = val; \\r |
689 | if (fd&0x01) s[step_x * 7] = val; \\r |
e2de9939 |
690 | } \\r |
691 | } \\r |
ea8c405f |
692 | }\r |
693 | \r |
cc41eb4f |
694 | mk_text_out(emu_text_out8, unsigned char, 0xf0, g_screen_ptr, 1, g_screen_width)\r |
695 | mk_text_out(emu_text_out16, unsigned short, 0xffff, g_screen_ptr, 1, g_screen_width)\r |
696 | mk_text_out(emu_text_out8_rot, unsigned char, 0xf0,\r |
697 | (char *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
698 | mk_text_out(emu_text_out16_rot, unsigned short, 0xffff,\r |
699 | (short *)g_screen_ptr + (g_screen_width - 1) * g_screen_height, -g_screen_height, 1)\r |
ea8c405f |
700 | \r |
e2de9939 |
701 | #undef mk_text_out\r |
ea8c405f |
702 | \r |
703 | \r |
d34a42f9 |
704 | void update_movie(void)\r |
ea8c405f |
705 | {\r |
706 | int offs = Pico.m.frame_count*3 + 0x40;\r |
707 | if (offs+3 > movie_size) {\r |
708 | free(movie_data);\r |
709 | movie_data = 0;\r |
b24e0f6c |
710 | emu_status_msg("END OF MOVIE.");\r |
ea8c405f |
711 | lprintf("END OF MOVIE.\n");\r |
ea8c405f |
712 | } else {\r |
713 | // MXYZ SACB RLDU\r |
714 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
f8af9634 |
715 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // C\r |
716 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // A\r |
717 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // B\r |
ea8c405f |
718 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
f8af9634 |
719 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // C\r |
720 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // A\r |
721 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // B\r |
ea8c405f |
722 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
723 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
724 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
725 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
726 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
727 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
728 | }\r |
729 | }\r |
730 | \r |
ea8c405f |
731 | static int try_ropen_file(const char *fname)\r |
732 | {\r |
733 | FILE *f;\r |
734 | \r |
735 | f = fopen(fname, "rb");\r |
736 | if (f) {\r |
737 | fclose(f);\r |
738 | return 1;\r |
739 | }\r |
740 | return 0;\r |
741 | }\r |
742 | \r |
a47dd663 |
743 | char *emu_get_save_fname(int load, int is_sram, int slot)\r |
ea8c405f |
744 | {\r |
ae87bffa |
745 | char *saveFname = static_buff;\r |
ea8c405f |
746 | char ext[16];\r |
747 | \r |
748 | if (is_sram)\r |
749 | {\r |
6bc00695 |
750 | strcpy(ext, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm");\r |
fcdefcf6 |
751 | romfname_ext(saveFname, sizeof(static_buff),\r |
752 | (PicoAHW & PAHW_MCD) ? "brm"PATH_SEP : "srm"PATH_SEP, ext);\r |
6bc00695 |
753 | if (!load)\r |
754 | return saveFname;\r |
755 | \r |
756 | if (try_ropen_file(saveFname))\r |
757 | return saveFname;\r |
758 | \r |
fcdefcf6 |
759 | romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r |
6bc00695 |
760 | if (try_ropen_file(saveFname))\r |
761 | return saveFname;\r |
ea8c405f |
762 | }\r |
763 | else\r |
764 | {\r |
6bc00695 |
765 | const char *ext_main = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds";\r |
766 | const char *ext_othr = (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds" : ".mds.gz";\r |
ea8c405f |
767 | ext[0] = 0;\r |
6bc00695 |
768 | if (slot > 0 && slot < 10)\r |
769 | sprintf(ext, ".%i", slot);\r |
770 | strcat(ext, ext_main);\r |
771 | \r |
772 | if (!load) {\r |
fcdefcf6 |
773 | romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r |
6bc00695 |
774 | return saveFname;\r |
775 | }\r |
776 | else {\r |
fcdefcf6 |
777 | romfname_ext(saveFname, sizeof(static_buff), "mds" PATH_SEP, ext);\r |
6bc00695 |
778 | if (try_ropen_file(saveFname))\r |
779 | return saveFname;\r |
ea8c405f |
780 | \r |
fcdefcf6 |
781 | romfname_ext(saveFname, sizeof(static_buff), NULL, ext);\r |
6bc00695 |
782 | if (try_ropen_file(saveFname))\r |
783 | return saveFname;\r |
784 | \r |
785 | // try the other ext\r |
786 | ext[0] = 0;\r |
787 | if (slot > 0 && slot < 10)\r |
788 | sprintf(ext, ".%i", slot);\r |
789 | strcat(ext, ext_othr);\r |
790 | \r |
fcdefcf6 |
791 | romfname_ext(saveFname, sizeof(static_buff), "mds"PATH_SEP, ext);\r |
6bc00695 |
792 | if (try_ropen_file(saveFname))\r |
793 | return saveFname;\r |
ea8c405f |
794 | }\r |
795 | }\r |
796 | \r |
6bc00695 |
797 | return NULL;\r |
ea8c405f |
798 | }\r |
799 | \r |
cca8800d |
800 | int emu_check_save_file(int slot, int *time)\r |
ea8c405f |
801 | {\r |
a47dd663 |
802 | return emu_get_save_fname(1, 0, slot) ? 1 : 0;\r |
ea8c405f |
803 | }\r |
804 | \r |
a47dd663 |
805 | int emu_save_load_game(int load, int sram)\r |
ea8c405f |
806 | {\r |
807 | int ret = 0;\r |
808 | char *saveFname;\r |
809 | \r |
810 | // make save filename\r |
a47dd663 |
811 | saveFname = emu_get_save_fname(load, sram, state_slot);\r |
ea8c405f |
812 | if (saveFname == NULL) {\r |
d34a42f9 |
813 | if (!sram)\r |
b24e0f6c |
814 | emu_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");\r |
ea8c405f |
815 | return -1;\r |
816 | }\r |
817 | \r |
818 | lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
819 | \r |
da42200b |
820 | if (sram)\r |
821 | {\r |
ea8c405f |
822 | FILE *sramFile;\r |
823 | int sram_size;\r |
824 | unsigned char *sram_data;\r |
825 | int truncate = 1;\r |
602133e1 |
826 | if (PicoAHW & PAHW_MCD)\r |
827 | {\r |
45f2f245 |
828 | if (PicoOpt & POPT_EN_MCD_RAMCART) {\r |
ea8c405f |
829 | sram_size = 0x12000;\r |
830 | sram_data = SRam.data;\r |
831 | if (sram_data)\r |
832 | memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r |
833 | } else {\r |
834 | sram_size = 0x2000;\r |
835 | sram_data = Pico_mcd->bram;\r |
836 | truncate = 0; // the .brm may contain RAM cart data after normal brm\r |
837 | }\r |
838 | } else {\r |
45f2f245 |
839 | sram_size = SRam.size;\r |
ea8c405f |
840 | sram_data = SRam.data;\r |
841 | }\r |
b8a1c09a |
842 | if (sram_data == NULL)\r |
843 | return 0; // SRam forcefully disabled for this game\r |
ea8c405f |
844 | \r |
602133e1 |
845 | if (load)\r |
846 | {\r |
ea8c405f |
847 | sramFile = fopen(saveFname, "rb");\r |
b8a1c09a |
848 | if (!sramFile)\r |
849 | return -1;\r |
850 | ret = fread(sram_data, 1, sram_size, sramFile);\r |
851 | ret = ret > 0 ? 0 : -1;\r |
ea8c405f |
852 | fclose(sramFile);\r |
602133e1 |
853 | if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r |
ea8c405f |
854 | memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r |
855 | } else {\r |
856 | // sram save needs some special processing\r |
857 | // see if we have anything to save\r |
858 | for (; sram_size > 0; sram_size--)\r |
859 | if (sram_data[sram_size-1]) break;\r |
860 | \r |
861 | if (sram_size) {\r |
862 | sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r |
863 | if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r |
864 | if (!sramFile) return -1;\r |
865 | ret = fwrite(sram_data, 1, sram_size, sramFile);\r |
866 | ret = (ret != sram_size) ? -1 : 0;\r |
867 | fclose(sramFile);\r |
9c9cda8c |
868 | #ifdef __GP2X__\r |
ea8c405f |
869 | sync();\r |
870 | #endif\r |
871 | }\r |
872 | }\r |
873 | return ret;\r |
874 | }\r |
875 | else\r |
876 | {\r |
bcc9eda0 |
877 | ret = PicoState(saveFname, !load);\r |
878 | if (!ret) {\r |
9c9cda8c |
879 | #ifdef __GP2X__\r |
bcc9eda0 |
880 | if (!load) sync();\r |
ea8c405f |
881 | #endif\r |
54646a39 |
882 | emu_status_msg(load ? "STATE LOADED" : "STATE SAVED");\r |
bcc9eda0 |
883 | } else {\r |
b24e0f6c |
884 | emu_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");\r |
ea8c405f |
885 | ret = -1;\r |
886 | }\r |
887 | \r |
ea8c405f |
888 | return ret;\r |
889 | }\r |
890 | }\r |
bdec53c9 |
891 | \r |
a47dd663 |
892 | void emu_set_fastforward(int set_on)\r |
c060a9ab |
893 | {\r |
894 | static void *set_PsndOut = NULL;\r |
895 | static int set_Frameskip, set_EmuOpt, is_on = 0;\r |
896 | \r |
897 | if (set_on && !is_on) {\r |
898 | set_PsndOut = PsndOut;\r |
899 | set_Frameskip = currentConfig.Frameskip;\r |
900 | set_EmuOpt = currentConfig.EmuOpt;\r |
901 | PsndOut = NULL;\r |
902 | currentConfig.Frameskip = 8;\r |
903 | currentConfig.EmuOpt &= ~4;\r |
904 | currentConfig.EmuOpt |= 0x40000;\r |
905 | is_on = 1;\r |
b24e0f6c |
906 | emu_status_msg("FAST FORWARD");\r |
c060a9ab |
907 | }\r |
908 | else if (!set_on && is_on) {\r |
909 | PsndOut = set_PsndOut;\r |
910 | currentConfig.Frameskip = set_Frameskip;\r |
911 | currentConfig.EmuOpt = set_EmuOpt;\r |
912 | PsndRerate(1);\r |
913 | is_on = 0;\r |
914 | }\r |
915 | }\r |
916 | \r |
d687ef50 |
917 | static void emu_tray_open(void)\r |
c060a9ab |
918 | {\r |
d687ef50 |
919 | engineState = PGS_TrayMenu;\r |
920 | }\r |
921 | \r |
922 | static void emu_tray_close(void)\r |
923 | {\r |
924 | emu_status_msg("CD tray closed.");\r |
f2cf8472 |
925 | }\r |
926 | \r |
974fdb5b |
927 | void emu_32x_startup(void)\r |
928 | {\r |
c7eb229a |
929 | plat_video_toggle_renderer(0, 0); // HACK\r |
974fdb5b |
930 | system_announce();\r |
931 | }\r |
932 | \r |
f2cf8472 |
933 | void emu_reset_game(void)\r |
934 | {\r |
935 | PicoReset();\r |
936 | reset_timing = 1;\r |
937 | }\r |
938 | \r |
939 | void run_events_pico(unsigned int events)\r |
940 | {\r |
941 | int lim_x;\r |
942 | \r |
943 | if (events & PEV_PICO_SWINP) {\r |
c060a9ab |
944 | pico_inp_mode++;\r |
d34a42f9 |
945 | if (pico_inp_mode > 2)\r |
946 | pico_inp_mode = 0;\r |
c060a9ab |
947 | switch (pico_inp_mode) {\r |
b24e0f6c |
948 | case 2: emu_status_msg("Input: Pen on Pad"); break;\r |
949 | case 1: emu_status_msg("Input: Pen on Storyware"); break;\r |
950 | case 0: emu_status_msg("Input: Joystick");\r |
c060a9ab |
951 | PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r |
952 | break;\r |
953 | }\r |
c060a9ab |
954 | }\r |
f2cf8472 |
955 | if (events & PEV_PICO_PPREV) {\r |
c060a9ab |
956 | PicoPicohw.page--;\r |
d34a42f9 |
957 | if (PicoPicohw.page < 0)\r |
958 | PicoPicohw.page = 0;\r |
b24e0f6c |
959 | emu_status_msg("Page %i", PicoPicohw.page);\r |
c060a9ab |
960 | }\r |
f2cf8472 |
961 | if (events & PEV_PICO_PNEXT) {\r |
c060a9ab |
962 | PicoPicohw.page++;\r |
d34a42f9 |
963 | if (PicoPicohw.page > 6)\r |
964 | PicoPicohw.page = 6;\r |
b24e0f6c |
965 | emu_status_msg("Page %i", PicoPicohw.page);\r |
c060a9ab |
966 | }\r |
f2cf8472 |
967 | \r |
968 | if (pico_inp_mode == 0)\r |
969 | return;\r |
970 | \r |
971 | /* handle other input modes */\r |
972 | if (PicoPad[0] & 1) pico_pen_y--;\r |
973 | if (PicoPad[0] & 2) pico_pen_y++;\r |
974 | if (PicoPad[0] & 4) pico_pen_x--;\r |
975 | if (PicoPad[0] & 8) pico_pen_x++;\r |
976 | PicoPad[0] &= ~0x0f; // release UDLR\r |
977 | \r |
978 | lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r |
979 | if (pico_pen_y < 8)\r |
980 | pico_pen_y = 8;\r |
981 | if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)\r |
982 | pico_pen_y = 224 - PICO_PEN_ADJUST_Y;\r |
983 | if (pico_pen_x < 0)\r |
984 | pico_pen_x = 0;\r |
985 | if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)\r |
986 | pico_pen_x = lim_x - PICO_PEN_ADJUST_X;\r |
987 | \r |
988 | PicoPicohw.pen_pos[0] = pico_pen_x;\r |
989 | if (!(Pico.video.reg[12] & 1))\r |
990 | PicoPicohw.pen_pos[0] += pico_pen_x / 4;\r |
991 | PicoPicohw.pen_pos[0] += 0x3c;\r |
992 | PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r |
c060a9ab |
993 | }\r |
994 | \r |
d34a42f9 |
995 | static void do_turbo(int *pad, int acts)\r |
f0f0d2df |
996 | {\r |
997 | static int turbo_pad = 0;\r |
998 | static unsigned char turbo_cnt[3] = { 0, 0, 0 };\r |
999 | int inc = currentConfig.turbo_rate * 2;\r |
1000 | \r |
1001 | if (acts & 0x1000) {\r |
1002 | turbo_cnt[0] += inc;\r |
1003 | if (turbo_cnt[0] >= 60)\r |
1004 | turbo_pad ^= 0x10, turbo_cnt[0] = 0;\r |
1005 | }\r |
1006 | if (acts & 0x2000) {\r |
1007 | turbo_cnt[1] += inc;\r |
1008 | if (turbo_cnt[1] >= 60)\r |
1009 | turbo_pad ^= 0x20, turbo_cnt[1] = 0;\r |
1010 | }\r |
1011 | if (acts & 0x4000) {\r |
1012 | turbo_cnt[2] += inc;\r |
1013 | if (turbo_cnt[2] >= 60)\r |
1014 | turbo_pad ^= 0x40, turbo_cnt[2] = 0;\r |
1015 | }\r |
1016 | *pad |= turbo_pad & (acts >> 8);\r |
1017 | }\r |
c060a9ab |
1018 | \r |
f2cf8472 |
1019 | static void run_events_ui(unsigned int which)\r |
d34a42f9 |
1020 | {\r |
1021 | if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))\r |
1022 | {\r |
1023 | int do_it = 1;\r |
cca8800d |
1024 | if ( emu_check_save_file(state_slot, NULL) &&\r |
fcdefcf6 |
1025 | (((which & PEV_STATE_LOAD) && (currentConfig.confirm_save & EOPT_CONFIRM_LOAD)) ||\r |
1026 | ((which & PEV_STATE_SAVE) && (currentConfig.confirm_save & EOPT_CONFIRM_SAVE))) )\r |
d34a42f9 |
1027 | {\r |
1028 | const char *nm;\r |
1029 | char tmp[64];\r |
1030 | int keys, len;\r |
1031 | \r |
1032 | strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");\r |
1033 | len = strlen(tmp);\r |
1034 | nm = in_get_key_name(-1, -PBTN_MA3);\r |
1035 | snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r |
1036 | len = strlen(tmp);\r |
1037 | nm = in_get_key_name(-1, -PBTN_MBACK);\r |
1038 | snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r |
1039 | \r |
1040 | plat_status_msg_busy_first(tmp);\r |
1041 | \r |
45285368 |
1042 | in_set_config_int(0, IN_CFG_BLOCKING, 1);\r |
13450307 |
1043 | while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r |
d34a42f9 |
1044 | ;\r |
13450307 |
1045 | while ( !((keys = in_menu_wait_any(NULL, 50)) & (PBTN_MA3|PBTN_MBACK)) )\r |
d34a42f9 |
1046 | ;\r |
1047 | if (keys & PBTN_MBACK)\r |
1048 | do_it = 0;\r |
13450307 |
1049 | while (in_menu_wait_any(NULL, 50) & (PBTN_MA3|PBTN_MBACK))\r |
d34a42f9 |
1050 | ;\r |
45285368 |
1051 | in_set_config_int(0, IN_CFG_BLOCKING, 0);\r |
d34a42f9 |
1052 | }\r |
1053 | if (do_it) {\r |
54646a39 |
1054 | plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING STATE" : "SAVING STATE");\r |
d34a42f9 |
1055 | PicoStateProgressCB = plat_status_msg_busy_next;\r |
a47dd663 |
1056 | emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);\r |
d34a42f9 |
1057 | PicoStateProgressCB = NULL;\r |
1058 | }\r |
1059 | }\r |
5a681086 |
1060 | if (which & PEV_SWITCH_RND)\r |
d34a42f9 |
1061 | {\r |
5a681086 |
1062 | plat_video_toggle_renderer(1, 0);\r |
d34a42f9 |
1063 | }\r |
1064 | if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))\r |
1065 | {\r |
1066 | if (which & PEV_SSLOT_PREV) {\r |
1067 | state_slot -= 1;\r |
1068 | if (state_slot < 0)\r |
1069 | state_slot = 9;\r |
1070 | } else {\r |
1071 | state_slot += 1;\r |
1072 | if (state_slot > 9)\r |
1073 | state_slot = 0;\r |
1074 | }\r |
1075 | \r |
b24e0f6c |
1076 | emu_status_msg("SAVE SLOT %i [%s]", state_slot,\r |
cca8800d |
1077 | emu_check_save_file(state_slot, NULL) ? "USED" : "FREE");\r |
d34a42f9 |
1078 | }\r |
1079 | if (which & PEV_MENU)\r |
1080 | engineState = PGS_Menu;\r |
1081 | }\r |
1082 | \r |
1083 | void emu_update_input(void)\r |
1084 | {\r |
093b8a42 |
1085 | static int prev_events = 0;\r |
1086 | int actions[IN_BINDTYPE_COUNT] = { 0, };\r |
1087 | int pl_actions[2];\r |
1088 | int events;\r |
d34a42f9 |
1089 | \r |
093b8a42 |
1090 | in_update(actions);\r |
d34a42f9 |
1091 | \r |
093b8a42 |
1092 | pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];\r |
1093 | pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;\r |
d34a42f9 |
1094 | \r |
093b8a42 |
1095 | PicoPad[0] = pl_actions[0] & 0xfff;\r |
1096 | PicoPad[1] = pl_actions[1] & 0xfff;\r |
d34a42f9 |
1097 | \r |
093b8a42 |
1098 | if (pl_actions[0] & 0x7000)\r |
1099 | do_turbo(&PicoPad[0], pl_actions[0]);\r |
1100 | if (pl_actions[1] & 0x7000)\r |
1101 | do_turbo(&PicoPad[1], pl_actions[1]);\r |
1102 | \r |
1103 | events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
d34a42f9 |
1104 | \r |
1105 | // volume is treated in special way and triggered every frame\r |
1106 | if (events & (PEV_VOL_DOWN|PEV_VOL_UP))\r |
1107 | plat_update_volume(1, events & PEV_VOL_UP);\r |
1108 | \r |
093b8a42 |
1109 | if ((events ^ prev_events) & PEV_FF) {\r |
a47dd663 |
1110 | emu_set_fastforward(events & PEV_FF);\r |
d34a42f9 |
1111 | plat_update_volume(0, 0);\r |
f2cf8472 |
1112 | reset_timing = 1;\r |
d34a42f9 |
1113 | }\r |
1114 | \r |
093b8a42 |
1115 | events &= ~prev_events;\r |
d34a42f9 |
1116 | \r |
f2cf8472 |
1117 | if (PicoAHW == PAHW_PICO)\r |
1118 | run_events_pico(events);\r |
d34a42f9 |
1119 | if (events)\r |
f2cf8472 |
1120 | run_events_ui(events);\r |
d34a42f9 |
1121 | if (movie_data)\r |
1122 | update_movie();\r |
1123 | \r |
093b8a42 |
1124 | prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;\r |
d34a42f9 |
1125 | }\r |
1126 | \r |
f2cf8472 |
1127 | static void mkdir_path(char *path_with_reserve, int pos, const char *name)\r |
1128 | {\r |
1129 | strcpy(path_with_reserve + pos, name);\r |
1130 | if (plat_is_dir(path_with_reserve))\r |
1131 | return;\r |
1132 | if (mkdir(path_with_reserve, 0777) < 0)\r |
1133 | lprintf("failed to create: %s\n", path_with_reserve);\r |
1134 | }\r |
1135 | \r |
a4edca53 |
1136 | void emu_cmn_forced_frame(int no_scale, int do_emu)\r |
1137 | {\r |
1138 | int po_old = PicoOpt;\r |
1139 | \r |
1140 | memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r |
1141 | \r |
8340e7c9 |
1142 | PicoOpt &= ~POPT_ALT_RENDERER;\r |
a4edca53 |
1143 | PicoOpt |= POPT_ACC_SPRITES;\r |
1144 | if (!no_scale)\r |
1145 | PicoOpt |= POPT_EN_SOFTSCALE;\r |
1146 | \r |
1147 | PicoDrawSetOutFormat(PDF_RGB555, 1);\r |
1148 | Pico.m.dirtyPal = 1;\r |
1149 | if (do_emu)\r |
1150 | PicoFrame();\r |
1151 | else\r |
1152 | PicoFrameDrawOnly();\r |
1153 | \r |
1154 | PicoOpt = po_old;\r |
1155 | }\r |
1156 | \r |
f2cf8472 |
1157 | void emu_init(void)\r |
1158 | {\r |
27701801 |
1159 | char path[512];\r |
f2cf8472 |
1160 | int pos;\r |
1161 | \r |
83ff19ec |
1162 | #if 0\r |
1163 | // FIXME: handle through menu, etc\r |
1164 | FILE *f;\r |
1165 | f = fopen("32X_M_BIOS.BIN", "rb");\r |
1166 | p32x_bios_m = malloc(2048);\r |
1167 | fread(p32x_bios_m, 1, 2048, f);\r |
1168 | fclose(f);\r |
1169 | f = fopen("32X_S_BIOS.BIN", "rb");\r |
1170 | p32x_bios_s = malloc(1024);\r |
1171 | fread(p32x_bios_s, 1, 1024, f);\r |
1172 | fclose(f);\r |
1173 | #endif\r |
1174 | \r |
f2cf8472 |
1175 | /* make dirs for saves */\r |
27701801 |
1176 | pos = plat_get_root_dir(path, sizeof(path) - 4);\r |
1177 | mkdir_path(path, pos, "mds");\r |
1178 | mkdir_path(path, pos, "srm");\r |
1179 | mkdir_path(path, pos, "brm");\r |
504e2f56 |
1180 | mkdir_path(path, pos, "cfg");\r |
27701801 |
1181 | \r |
f6c49d38 |
1182 | pprof_init();\r |
1183 | \r |
27701801 |
1184 | make_config_cfg(path);\r |
1185 | config_readlrom(path);\r |
f2cf8472 |
1186 | \r |
1187 | PicoInit();\r |
1188 | PicoMessage = plat_status_msg_busy_next;\r |
d687ef50 |
1189 | PicoMCDopenTray = emu_tray_open;\r |
1190 | PicoMCDcloseTray = emu_tray_close;\r |
df92fbd1 |
1191 | \r |
1192 | sndout_init();\r |
f2cf8472 |
1193 | }\r |
1194 | \r |
1195 | void emu_finish(void)\r |
1196 | {\r |
1197 | // save SRAM\r |
a47dd663 |
1198 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1199 | emu_save_load_game(0, 1);\r |
f2cf8472 |
1200 | SRam.changed = 0;\r |
1201 | }\r |
1202 | \r |
27701801 |
1203 | if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG)) {\r |
1204 | char cfg[512];\r |
1205 | make_config_cfg(cfg);\r |
1206 | config_writelrom(cfg);\r |
9c9cda8c |
1207 | #ifdef __GP2X__\r |
27701801 |
1208 | sync();\r |
1209 | #endif\r |
1210 | }\r |
f2cf8472 |
1211 | \r |
f6c49d38 |
1212 | pprof_finish();\r |
1213 | \r |
f2cf8472 |
1214 | PicoExit();\r |
df92fbd1 |
1215 | sndout_exit();\r |
1216 | }\r |
1217 | \r |
1218 | static void snd_write_nonblocking(int len)\r |
1219 | {\r |
1220 | sndout_write_nb(PsndOut, len);\r |
1221 | }\r |
1222 | \r |
1223 | void emu_sound_start(void)\r |
1224 | {\r |
1225 | PsndOut = NULL;\r |
1226 | \r |
1227 | if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r |
1228 | {\r |
1229 | int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r |
1230 | \r |
1231 | PsndRerate(Pico.m.frame_count ? 1 : 0);\r |
1232 | \r |
1233 | printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r |
1234 | PsndRate, PsndLen, is_stereo, Pico.m.pal);\r |
1235 | sndout_start(PsndRate, is_stereo);\r |
1236 | PicoWriteSound = snd_write_nonblocking;\r |
1237 | plat_update_volume(0, 0);\r |
1238 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
1239 | PsndOut = sndBuffer;\r |
1240 | }\r |
1241 | }\r |
1242 | \r |
1243 | void emu_sound_stop(void)\r |
1244 | {\r |
1245 | sndout_stop();\r |
1246 | }\r |
1247 | \r |
1248 | void emu_sound_wait(void)\r |
1249 | {\r |
1250 | sndout_wait();\r |
f2cf8472 |
1251 | }\r |
1252 | \r |
d4d62665 |
1253 | static void emu_loop_prep(void)\r |
1254 | {\r |
1255 | static int pal_old = -1;\r |
1256 | static int filter_old = -1;\r |
1257 | \r |
1258 | if (currentConfig.CPUclock != plat_target_cpu_clock_get())\r |
1259 | plat_target_cpu_clock_set(currentConfig.CPUclock);\r |
1260 | \r |
1261 | if (Pico.m.pal != pal_old) {\r |
1262 | plat_target_lcdrate_set(Pico.m.pal);\r |
1263 | pal_old = Pico.m.pal;\r |
1264 | }\r |
1265 | \r |
1266 | if (currentConfig.filter != filter_old) {\r |
1267 | plat_target_hwfilter_set(currentConfig.filter);\r |
1268 | filter_old = currentConfig.filter;\r |
1269 | }\r |
1270 | \r |
1271 | plat_target_gamma_set(currentConfig.gamma, 0);\r |
1272 | \r |
1273 | pemu_loop_prep();\r |
1274 | }\r |
1275 | \r |
b24e0f6c |
1276 | static void skip_frame(int do_audio)\r |
1277 | {\r |
1278 | PicoSkipFrame = do_audio ? 1 : 2;\r |
1279 | PicoFrame();\r |
1280 | PicoSkipFrame = 0;\r |
1281 | }\r |
1282 | \r |
1283 | /* our tick here is 1 us right now */\r |
1284 | #define ms_to_ticks(x) (unsigned int)(x * 1000)\r |
1285 | #define get_ticks() plat_get_ticks_us()\r |
1286 | \r |
1287 | void emu_loop(void)\r |
1288 | {\r |
1289 | int pframes_done; /* "period" frames, used for sync */\r |
1290 | int frames_done, frames_shown; /* actual frames for fps counter */\r |
19954be1 |
1291 | int target_fps, target_frametime;\r |
b24e0f6c |
1292 | unsigned int timestamp_base = 0, timestamp_fps;\r |
1293 | char *notice_msg = NULL;\r |
1294 | char fpsbuff[24];\r |
1295 | int i;\r |
1296 | \r |
1297 | fpsbuff[0] = 0;\r |
1298 | \r |
46bcb899 |
1299 | PicoLoopPrepare();\r |
1300 | \r |
1301 | // prepare CD buffer\r |
1302 | if (PicoAHW & PAHW_MCD)\r |
1303 | PicoCDBufferInit();\r |
1304 | \r |
636d5f25 |
1305 | plat_video_loop_prepare();\r |
d4d62665 |
1306 | emu_loop_prep();\r |
df92fbd1 |
1307 | pemu_sound_start();\r |
46bcb899 |
1308 | \r |
b24e0f6c |
1309 | /* number of ticks per frame */\r |
1310 | if (Pico.m.pal) {\r |
1311 | target_fps = 50;\r |
1312 | target_frametime = ms_to_ticks(1000) / 50;\r |
1313 | } else {\r |
1314 | target_fps = 60;\r |
1315 | target_frametime = ms_to_ticks(1000) / 60 + 1;\r |
1316 | }\r |
1317 | \r |
b24e0f6c |
1318 | timestamp_fps = get_ticks();\r |
1319 | reset_timing = 1;\r |
1320 | \r |
1321 | frames_done = frames_shown = pframes_done = 0;\r |
1322 | \r |
7b436906 |
1323 | plat_video_wait_vsync();\r |
1324 | \r |
b24e0f6c |
1325 | /* loop with resync every 1 sec. */\r |
1326 | while (engineState == PGS_Running)\r |
1327 | {\r |
1328 | unsigned int timestamp;\r |
1329 | int diff, diff_lim;\r |
b24e0f6c |
1330 | \r |
f6c49d38 |
1331 | pprof_start(main);\r |
1332 | \r |
b24e0f6c |
1333 | timestamp = get_ticks();\r |
1334 | if (reset_timing) {\r |
1335 | reset_timing = 0;\r |
1336 | timestamp_base = timestamp;\r |
1337 | pframes_done = 0;\r |
1338 | }\r |
1339 | \r |
1340 | // show notice_msg message?\r |
1341 | if (notice_msg_time != 0)\r |
1342 | {\r |
1343 | static int noticeMsgSum;\r |
54646a39 |
1344 | if (timestamp - ms_to_ticks(notice_msg_time) > ms_to_ticks(STATUS_MSG_TIMEOUT)) {\r |
b24e0f6c |
1345 | notice_msg_time = 0;\r |
1346 | plat_status_msg_clear();\r |
1347 | notice_msg = NULL;\r |
1348 | } else {\r |
1349 | int sum = noticeMsg[0] + noticeMsg[1] + noticeMsg[2];\r |
1350 | if (sum != noticeMsgSum) {\r |
1351 | plat_status_msg_clear();\r |
1352 | noticeMsgSum = sum;\r |
1353 | }\r |
1354 | notice_msg = noticeMsg;\r |
1355 | }\r |
1356 | }\r |
1357 | \r |
b24e0f6c |
1358 | // second changed?\r |
1359 | if (timestamp - timestamp_fps >= ms_to_ticks(1000))\r |
1360 | {\r |
1361 | #ifdef BENCHMARK\r |
1362 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
1363 | if (++bench == 10) {\r |
1364 | bench = 0;\r |
1365 | bench_fps_s = bench_fps;\r |
1366 | bf[bfp++ & 3] = bench_fps;\r |
1367 | bench_fps = 0;\r |
1368 | }\r |
1369 | bench_fps += frames_shown;\r |
1370 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
07e5dbab |
1371 | printf("%s\n", fpsbuff);\r |
b24e0f6c |
1372 | #else\r |
1373 | if (currentConfig.EmuOpt & EOPT_SHOW_FPS) {\r |
1374 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
1375 | if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r |
1376 | }\r |
1377 | #endif\r |
1378 | frames_shown = frames_done = 0;\r |
1379 | timestamp_fps += ms_to_ticks(1000);\r |
1380 | }\r |
1381 | #ifdef PFRAMES\r |
1382 | sprintf(fpsbuff, "%i", Pico.m.frame_count);\r |
1383 | #endif\r |
1384 | \r |
1385 | if (timestamp - timestamp_base >= ms_to_ticks(1000))\r |
1386 | {\r |
21ecaf23 |
1387 | if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && currentConfig.Frameskip >= 0)\r |
b24e0f6c |
1388 | pframes_done = 0;\r |
5a681086 |
1389 | else\r |
b24e0f6c |
1390 | pframes_done -= target_fps;\r |
5a681086 |
1391 | if (pframes_done < -2) {\r |
1392 | /* don't drag more than 2 frames behind */\r |
1393 | pframes_done = -2;\r |
1394 | timestamp_base = timestamp - 2 * target_frametime;\r |
21ecaf23 |
1395 | }\r |
5a681086 |
1396 | else\r |
1397 | timestamp_base += ms_to_ticks(1000);\r |
b24e0f6c |
1398 | }\r |
1399 | \r |
1400 | diff = timestamp - timestamp_base;\r |
1401 | diff_lim = (pframes_done + 1) * target_frametime;\r |
1402 | \r |
1403 | if (currentConfig.Frameskip >= 0) // frameskip enabled\r |
1404 | {\r |
1405 | for (i = 0; i < currentConfig.Frameskip; i++) {\r |
1406 | emu_update_input();\r |
1407 | skip_frame(1);\r |
1408 | pframes_done++; frames_done++;\r |
1409 | diff_lim += target_frametime;\r |
1410 | \r |
ae87bffa |
1411 | if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {\r |
b24e0f6c |
1412 | timestamp = get_ticks();\r |
1413 | diff = timestamp - timestamp_base;\r |
0d83abe2 |
1414 | if (!reset_timing && diff < diff_lim) // we are too fast\r |
b24e0f6c |
1415 | plat_wait_till_us(timestamp_base + diff_lim);\r |
1416 | }\r |
1417 | }\r |
1418 | }\r |
1419 | else if (diff > diff_lim)\r |
1420 | {\r |
1421 | /* no time left for this frame - skip */\r |
5a681086 |
1422 | /* limit auto frameskip to 8 */\r |
1423 | if (frames_done / 8 <= frames_shown) {\r |
1424 | emu_update_input();\r |
1425 | skip_frame(diff < diff_lim + target_frametime * 16);\r |
1426 | pframes_done++; frames_done++;\r |
b24e0f6c |
1427 | continue;\r |
1428 | }\r |
b24e0f6c |
1429 | }\r |
1430 | \r |
1431 | emu_update_input();\r |
1432 | PicoFrame();\r |
d08e7326 |
1433 | pemu_finalize_frame(fpsbuff, notice_msg);\r |
1434 | \r |
b7d64dbd |
1435 | if (!flip_after_sync)\r |
1436 | plat_video_flip();\r |
b24e0f6c |
1437 | \r |
1438 | /* frame limiter */\r |
ae87bffa |
1439 | if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))\r |
b24e0f6c |
1440 | {\r |
1441 | timestamp = get_ticks();\r |
1442 | diff = timestamp - timestamp_base;\r |
1443 | \r |
1444 | // sleep or vsync if we are still too fast\r |
1445 | if (diff < diff_lim)\r |
1446 | {\r |
1447 | // we are too fast\r |
7b436906 |
1448 | plat_wait_till_us(timestamp_base + diff_lim - target_frametime / 4);\r |
1449 | if (currentConfig.EmuOpt & EOPT_VSYNC)\r |
b24e0f6c |
1450 | plat_video_wait_vsync();\r |
b24e0f6c |
1451 | }\r |
1452 | }\r |
1453 | \r |
b7d64dbd |
1454 | if (flip_after_sync)\r |
1455 | plat_video_flip();\r |
b24e0f6c |
1456 | \r |
1457 | pframes_done++; frames_done++; frames_shown++;\r |
f6c49d38 |
1458 | \r |
1459 | pprof_end(main);\r |
b24e0f6c |
1460 | }\r |
1461 | \r |
1462 | emu_set_fastforward(0);\r |
1463 | \r |
b24e0f6c |
1464 | // save SRAM\r |
1465 | if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {\r |
1466 | plat_status_msg_busy_first("Writing SRAM/BRAM...");\r |
1467 | emu_save_load_game(0, 1);\r |
1468 | SRam.changed = 0;\r |
1469 | }\r |
1470 | \r |
b24e0f6c |
1471 | pemu_loop_end();\r |
df92fbd1 |
1472 | emu_sound_stop();\r |
730259b7 |
1473 | \r |
1474 | // pemu_loop_end() might want to do 1 frame for bg image,\r |
1475 | // so free CD buffer here\r |
1476 | if (PicoAHW & PAHW_MCD)\r |
1477 | PicoCDBufferFree();\r |
b24e0f6c |
1478 | }\r |
1479 | \r |