720ee7f6 |
1 | // (c) Copyright 2006 notaz, All rights reserved.\r |
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 |
8 | #include <sys/time.h>\r |
9 | #include <linux/limits.h>\r |
10 | #include <ctype.h>\r |
11 | #include <unistd.h>\r |
12 | \r |
13 | #include <stdarg.h>\r |
14 | \r |
15 | #include "emu.h"\r |
16 | #include "gp2x.h"\r |
17 | #include "usbjoy.h"\r |
18 | #include "menu.h"\r |
19 | #include "asmutils.h"\r |
20 | #include "cpuctrl.h"\r |
21 | \r |
22 | #include "Pico/PicoInt.h"\r |
23 | #include "zlib/zlib.h"\r |
24 | \r |
25 | \r |
26 | #ifdef BENCHMARK\r |
27 | #define OSD_FPS_X 220\r |
28 | #else\r |
29 | #define OSD_FPS_X 260\r |
30 | #endif\r |
31 | \r |
32 | // PicoPad[] format: SACB RLDU\r |
33 | char *actionNames[] = {\r |
34 | "UP", "DOWN", "LEFT", "RIGHT", "B", "C", "A", "START",\r |
35 | 0, 0, 0, 0, 0, 0, 0, 0, // Z, Y, X, MODE (enabled only when needed), ?, ?, ?, ?\r |
36 | 0, 0, 0, 0, 0, 0, 0, "ENTER MENU", // player2_flag, ?, ?, ?, ?, ?, ?, menu\r |
37 | "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",\r |
38 | "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"\r |
39 | };\r |
40 | \r |
41 | int engineState;\r |
42 | int select_exits = 0;\r |
43 | char *PicoConfigFile = "picoconfig.bin";\r |
44 | currentConfig_t currentConfig;\r |
45 | \r |
46 | char romFileName[PATH_MAX];\r |
47 | unsigned char *rom_data = NULL;\r |
48 | \r |
49 | extern int crashed_940;\r |
50 | \r |
3ef975c9 |
51 | static short sndBuffer[2*44100/50];\r |
720ee7f6 |
52 | static char noticeMsg[64]; // notice msg to draw\r |
53 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
54 | static int reset_timing, osd_fps_x;\r |
55 | static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos\r |
56 | static int gp2x_old_gamma = 100;\r |
57 | static unsigned char *movie_data = NULL;\r |
58 | static int movie_size = 0;\r |
720ee7f6 |
59 | unsigned char *framebuff = 0; // temporary buffer for alt renderer\r |
60 | int state_slot = 0;\r |
61 | \r |
62 | /*\r |
63 | // tmp\r |
64 | static FILE *logf = NULL;\r |
65 | \r |
66 | void pprintf(char *texto, ...)\r |
67 | {\r |
68 | va_list args;\r |
69 | \r |
70 | va_start(args,texto);\r |
71 | vfprintf(logf,texto,args);\r |
72 | va_end(args);\r |
73 | fflush(logf);\r |
74 | sync();\r |
75 | }\r |
76 | */\r |
77 | // utilities\r |
78 | static void strlwr(char* string)\r |
79 | {\r |
80 | while ( (*string++ = (char)tolower(*string)) );\r |
81 | }\r |
82 | \r |
5111820c |
83 | static int try_rfn_cut(void)\r |
720ee7f6 |
84 | {\r |
85 | FILE *tmp;\r |
86 | char *p;\r |
87 | \r |
5111820c |
88 | p = romFileName + strlen(romFileName) - 1;\r |
89 | for (; p > romFileName; p--)\r |
90 | if (*p == '.') break;\r |
91 | *p = 0;\r |
720ee7f6 |
92 | \r |
93 | if((tmp = fopen(romFileName, "rb"))) {\r |
94 | fclose(tmp);\r |
95 | return 1;\r |
96 | }\r |
97 | return 0;\r |
98 | }\r |
99 | \r |
daf91588 |
100 | static void get_ext(char *file, char *ext)\r |
25fced50 |
101 | {\r |
102 | char *p;\r |
103 | \r |
daf91588 |
104 | p = file + strlen(file) - 4;\r |
105 | if (p < file) p = file;\r |
25fced50 |
106 | strncpy(ext, p, 4);\r |
107 | ext[4] = 0;\r |
108 | strlwr(ext);\r |
109 | }\r |
110 | \r |
daf91588 |
111 | char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r |
112 | char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };\r |
113 | char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r |
114 | \r |
115 | extern char **g_argv;\r |
116 | \r |
117 | int find_bios(int region, char **bios_file)\r |
118 | {\r |
119 | static char bios_path[1024];\r |
120 | int i, j, count;\r |
121 | char **files;\r |
122 | FILE *f = NULL;\r |
123 | \r |
124 | if (region == 4) { // US\r |
125 | files = biosfiles_us;\r |
126 | count = sizeof(biosfiles_us) / sizeof(char *);\r |
127 | } else if (region == 8) { // EU\r |
128 | files = biosfiles_eu;\r |
129 | count = sizeof(biosfiles_eu) / sizeof(char *);\r |
130 | } else if (region == 1 || region == 2) {\r |
131 | files = biosfiles_jp;\r |
132 | count = sizeof(biosfiles_jp) / sizeof(char *);\r |
133 | } else {\r |
134 | return 0;\r |
135 | }\r |
136 | \r |
137 | for (i = 0; i < count; i++)\r |
138 | {\r |
139 | strncpy(bios_path, g_argv[0], 1023);\r |
140 | bios_path[1024-32] = 0;\r |
141 | for (j = strlen(bios_path); j > 0; j--)\r |
142 | if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }\r |
143 | strcat(bios_path, files[i]);\r |
144 | strcat(bios_path, ".bin");\r |
145 | f = fopen(bios_path, "rb");\r |
146 | if (f) break;\r |
147 | \r |
148 | bios_path[strlen(bios_path) - 4] = 0;\r |
149 | strcat(bios_path, ".zip");\r |
150 | f = fopen(bios_path, "rb");\r |
151 | if (f) break;\r |
152 | }\r |
153 | \r |
154 | if (f) {\r |
155 | printf("using bios: %s\n", bios_path);\r |
156 | fclose(f);\r |
157 | if (bios_file) *bios_file = bios_path;\r |
158 | return 1;\r |
159 | } else {\r |
160 | sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r |
161 | region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
162 | printf("%s\n", menuErrorMsg);\r |
163 | return 0;\r |
164 | }\r |
165 | }\r |
166 | \r |
167 | /* checks if romFileName points to valid MegaCD image\r |
168 | * if so, checks for suitable BIOS */\r |
169 | static int cd_check(char *ext, char **bios_file)\r |
170 | {\r |
171 | unsigned char buf[32];\r |
172 | FILE *cd_f;\r |
173 | int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r |
174 | \r |
175 | cd_f = fopen(romFileName, "rb");\r |
176 | if (!cd_f) return 0; // let the upper level handle this\r |
177 | \r |
178 | if (fread(buf, 1, 32, cd_f) != 32) {\r |
179 | fclose(cd_f);\r |
180 | return 0;\r |
181 | }\r |
182 | \r |
183 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r |
184 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r |
185 | if (type == 0) {\r |
186 | fclose(cd_f);\r |
187 | return 0;\r |
188 | }\r |
189 | \r |
190 | /* it seems we have a CD image here. Try to detect region and load a suitable BIOS now.. */\r |
598e7c06 |
191 | fseek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r |
daf91588 |
192 | fread(buf, 1, 1, cd_f);\r |
193 | fclose(cd_f);\r |
194 | \r |
598e7c06 |
195 | if (buf[0] == 0x64) region = 8; // EU\r |
daf91588 |
196 | if (buf[0] == 0xa1) region = 1; // JAP\r |
197 | \r |
198 | printf("detected %s Sega/Mega CD image with %s region\n",\r |
199 | type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
200 | \r |
201 | if (PicoRegionOverride) {\r |
202 | region = PicoRegionOverride;\r |
203 | printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
204 | }\r |
205 | \r |
206 | if(find_bios(region, bios_file))\r |
207 | return type; // CD and BIOS detected\r |
208 | \r |
209 | return -1; // CD detected but load failed\r |
210 | }\r |
211 | \r |
720ee7f6 |
212 | int emu_ReloadRom(void)\r |
213 | {\r |
214 | unsigned int rom_size = 0;\r |
daf91588 |
215 | char *used_rom_name = romFileName;\r |
25fced50 |
216 | char ext[5];\r |
720ee7f6 |
217 | FILE *rom;\r |
daf91588 |
218 | int ret, cd_state;\r |
720ee7f6 |
219 | \r |
220 | printf("emu_ReloadRom(%s)\n", romFileName);\r |
221 | \r |
daf91588 |
222 | get_ext(romFileName, ext);\r |
720ee7f6 |
223 | \r |
daf91588 |
224 | // detect wrong extensions\r |
720ee7f6 |
225 | if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r |
226 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
227 | return 0;\r |
228 | }\r |
229 | \r |
230 | // check for movie file\r |
231 | if(movie_data) {\r |
232 | free(movie_data);\r |
233 | movie_data = 0;\r |
234 | }\r |
235 | if(!strcmp(ext, ".gmv")) {\r |
236 | // check for both gmv and rom\r |
237 | int dummy;\r |
238 | FILE *movie_file = fopen(romFileName, "rb");\r |
239 | if(!movie_file) {\r |
240 | sprintf(menuErrorMsg, "Failed to open movie.");\r |
241 | return 0;\r |
242 | }\r |
243 | fseek(movie_file, 0, SEEK_END);\r |
244 | movie_size = ftell(movie_file);\r |
245 | fseek(movie_file, 0, SEEK_SET);\r |
246 | if(movie_size < 64+3) {\r |
247 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
248 | fclose(movie_file);\r |
249 | return 0;\r |
250 | }\r |
251 | movie_data = malloc(movie_size);\r |
252 | if(movie_data == NULL) {\r |
253 | sprintf(menuErrorMsg, "low memory.");\r |
254 | fclose(movie_file);\r |
255 | return 0;\r |
256 | }\r |
257 | fread(movie_data, 1, movie_size, movie_file);\r |
258 | fclose(movie_file);\r |
259 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
260 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
261 | return 0;\r |
262 | }\r |
5111820c |
263 | dummy = try_rfn_cut() || try_rfn_cut();\r |
720ee7f6 |
264 | if (!dummy) {\r |
265 | sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r |
266 | return 0;\r |
267 | }\r |
daf91588 |
268 | get_ext(romFileName, ext);\r |
720ee7f6 |
269 | }\r |
270 | \r |
daf91588 |
271 | // check for MegaCD image\r |
272 | cd_state = cd_check(ext, &used_rom_name);\r |
273 | if (cd_state > 0) {\r |
274 | PicoMCD |= 1;\r |
275 | get_ext(used_rom_name, ext);\r |
276 | } else if (cd_state == -1) {\r |
277 | // bios_help() ?\r |
278 | return 0;\r |
279 | } else {\r |
49fe50f0 |
280 | if (PicoMCD & 1) PicoExitMCD();\r |
daf91588 |
281 | PicoMCD &= ~1;\r |
282 | }\r |
283 | \r |
284 | rom = fopen(used_rom_name, "rb");\r |
720ee7f6 |
285 | if(!rom) {\r |
286 | sprintf(menuErrorMsg, "Failed to open rom.");\r |
287 | return 0;\r |
288 | }\r |
289 | \r |
290 | if(rom_data) {\r |
291 | free(rom_data);\r |
292 | rom_data = 0;\r |
293 | rom_size = 0;\r |
294 | }\r |
295 | \r |
296 | // zipfile support\r |
297 | if(!strcasecmp(ext, ".zip")) {\r |
298 | fclose(rom);\r |
daf91588 |
299 | ret = CartLoadZip(used_rom_name, &rom_data, &rom_size);\r |
720ee7f6 |
300 | if(ret) {\r |
daf91588 |
301 | if (ret == 4) strcpy(menuErrorMsg, "No ROMs found in zip.");\r |
720ee7f6 |
302 | else sprintf(menuErrorMsg, "Unzip failed with code %i", ret);\r |
303 | printf("%s\n", menuErrorMsg);\r |
304 | return 0;\r |
305 | }\r |
306 | } else {\r |
307 | if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r |
308 | sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r |
309 | printf("%s\n", menuErrorMsg);\r |
310 | fclose(rom);\r |
311 | return 0;\r |
312 | }\r |
313 | fclose(rom);\r |
314 | }\r |
315 | \r |
316 | // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r |
317 | if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r |
318 | ((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r |
319 | if (rom_data) free(rom_data);\r |
320 | rom_data = 0;\r |
321 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
322 | return 0;\r |
323 | }\r |
324 | \r |
daf91588 |
325 | // load config for this ROM (do this before insert to get correct region)\r |
326 | ret = emu_ReadConfig(1);\r |
327 | if (!ret)\r |
328 | emu_ReadConfig(0);\r |
329 | \r |
720ee7f6 |
330 | printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r |
331 | if(PicoCartInsert(rom_data, rom_size)) {\r |
332 | sprintf(menuErrorMsg, "Failed to load ROM.");\r |
333 | return 0;\r |
334 | }\r |
335 | \r |
daf91588 |
336 | Pico.m.frame_count = 0;\r |
337 | \r |
338 | // insert CD if it was detected\r |
339 | if (cd_state > 0) {\r |
340 | ret = Insert_CD(romFileName, cd_state == 2);\r |
341 | if (ret != 0) {\r |
342 | sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r |
343 | printf("%s\n", menuErrorMsg);\r |
344 | return 0;\r |
345 | }\r |
346 | }\r |
720ee7f6 |
347 | \r |
348 | // emu_ReadConfig() might have messed currentConfig.lastRomFile\r |
349 | strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r |
350 | currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r |
351 | \r |
352 | // additional movie stuff\r |
353 | if(movie_data) {\r |
354 | if(movie_data[0x14] == '6')\r |
355 | PicoOpt |= 0x20; // 6 button pad\r |
356 | else PicoOpt &= ~0x20;\r |
1a20dbc8 |
357 | PicoOpt |= 0x40; // accurate timing\r |
720ee7f6 |
358 | if(movie_data[0xF] >= 'A') {\r |
1a20dbc8 |
359 | if(movie_data[0x16] & 0x80) {\r |
360 | PicoRegionOverride = 8;\r |
361 | } else {\r |
362 | PicoRegionOverride = 4;\r |
363 | }\r |
364 | PicoReset(0);\r |
720ee7f6 |
365 | // TODO: bits 6 & 5\r |
366 | }\r |
1a20dbc8 |
367 | movie_data[0x18+30] = 0;\r |
368 | sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r |
720ee7f6 |
369 | }\r |
370 | else\r |
371 | {\r |
372 | if(Pico.m.pal) {\r |
373 | strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r |
374 | } else {\r |
375 | strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r |
376 | }\r |
377 | }\r |
378 | gettimeofday(¬iceMsgTime, 0);\r |
49fe50f0 |
379 | \r |
720ee7f6 |
380 | // load SRAM for this ROM\r |
381 | if(currentConfig.EmuOpt & 1)\r |
382 | emu_SaveLoadGame(1, 1);\r |
383 | \r |
720ee7f6 |
384 | return 1;\r |
385 | }\r |
386 | \r |
387 | \r |
388 | void emu_Init(void)\r |
389 | {\r |
390 | // make temp buffer for alt renderer\r |
391 | framebuff = malloc((8+320)*(8+240+8));\r |
392 | if (!framebuff)\r |
393 | {\r |
394 | printf("framebuff == 0\n");\r |
395 | }\r |
396 | \r |
397 | PicoInit();\r |
398 | \r |
399 | // logf = fopen("log.txt", "w");\r |
400 | }\r |
401 | \r |
402 | \r |
403 | static void romfname_ext(char *dst, char *ext)\r |
404 | {\r |
405 | char *p;\r |
406 | \r |
407 | // make save filename\r |
408 | for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r |
409 | strncpy(dst, p, 511);\r |
410 | dst[511-8] = 0;\r |
411 | if(dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r |
412 | strcat(dst, ext);\r |
413 | }\r |
414 | \r |
415 | \r |
416 | static void find_combos(void)\r |
417 | {\r |
418 | int act, u;\r |
419 | \r |
420 | // find out which keys and actions are combos\r |
421 | combo_keys = combo_acts = 0;\r |
422 | for (act = 0; act < 32; act++)\r |
423 | {\r |
424 | int keyc = 0;\r |
425 | if (act == 16) continue; // player2 flag\r |
426 | for (u = 0; u < 32; u++)\r |
427 | {\r |
428 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r |
429 | }\r |
430 | if (keyc > 1)\r |
431 | {\r |
432 | // loop again and mark those keys and actions as combo\r |
433 | for (u = 0; u < 32; u++)\r |
434 | {\r |
435 | if (currentConfig.KeyBinds[u] & (1 << act)) {\r |
436 | combo_keys |= 1 << u;\r |
437 | combo_acts |= 1 << act;\r |
438 | }\r |
439 | }\r |
440 | }\r |
441 | }\r |
442 | // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r |
443 | }\r |
444 | \r |
445 | \r |
446 | int emu_ReadConfig(int game)\r |
447 | {\r |
448 | FILE *f;\r |
449 | char cfg[512];\r |
450 | int bread = 0;\r |
451 | \r |
452 | if (!game)\r |
453 | {\r |
454 | // set default config\r |
455 | memset(¤tConfig, 0, sizeof(currentConfig));\r |
456 | currentConfig.lastRomFile[0] = 0;\r |
49fe50f0 |
457 | currentConfig.EmuOpt = 0x1f | 0x400; // | cd_leds\r |
458 | currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940 | cd_pcm | cd_cdda\r |
7bc9cd7f |
459 | currentConfig.PsndRate = 22050; // 44100;\r |
720ee7f6 |
460 | currentConfig.PicoRegion = 0; // auto\r |
979ba09f |
461 | currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r |
720ee7f6 |
462 | currentConfig.Frameskip = -1; // auto\r |
463 | currentConfig.CPUclock = 200;\r |
464 | currentConfig.volume = 50;\r |
465 | currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r |
466 | currentConfig.KeyBinds[ 4] = 1<<1;\r |
467 | currentConfig.KeyBinds[ 2] = 1<<2;\r |
468 | currentConfig.KeyBinds[ 6] = 1<<3;\r |
469 | currentConfig.KeyBinds[14] = 1<<4;\r |
470 | currentConfig.KeyBinds[13] = 1<<5;\r |
471 | currentConfig.KeyBinds[12] = 1<<6;\r |
472 | currentConfig.KeyBinds[ 8] = 1<<7;\r |
473 | currentConfig.KeyBinds[15] = 1<<26; // switch rend\r |
474 | currentConfig.KeyBinds[10] = 1<<27; // save state\r |
475 | currentConfig.KeyBinds[11] = 1<<28; // load state\r |
476 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
477 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
478 | currentConfig.gamma = 100;\r |
479 | strncpy(cfg, PicoConfigFile, 511);\r |
480 | cfg[511] = 0;\r |
481 | } else {\r |
482 | romfname_ext(cfg, ".pbcfg");\r |
483 | }\r |
484 | \r |
485 | printf("emu_ReadConfig: %s ", cfg);\r |
486 | f = fopen(cfg, "rb");\r |
487 | if (f) {\r |
488 | bread = fread(¤tConfig, 1, sizeof(currentConfig), f);\r |
489 | fclose(f);\r |
490 | }\r |
491 | printf((bread == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
492 | \r |
493 | PicoOpt = currentConfig.PicoOpt;\r |
494 | PsndRate = currentConfig.PsndRate;\r |
495 | PicoRegionOverride = currentConfig.PicoRegion;\r |
979ba09f |
496 | PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;\r |
720ee7f6 |
497 | if (PicoOpt & 0x20) {\r |
498 | actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r |
499 | actionNames[10] = "X"; actionNames[11] = "MODE";\r |
500 | }\r |
501 | // some sanity checks\r |
502 | if (currentConfig.CPUclock < 1 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
503 | if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r |
504 | // if volume keys are unbound, bind them to volume control\r |
505 | if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r |
506 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
507 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
508 | }\r |
509 | \r |
510 | return (bread == sizeof(currentConfig));\r |
511 | }\r |
512 | \r |
513 | \r |
514 | int emu_WriteConfig(int game)\r |
515 | {\r |
516 | FILE *f;\r |
517 | char cfg[512];\r |
518 | int bwrite = 0;\r |
519 | \r |
520 | if (!game)\r |
521 | {\r |
522 | strncpy(cfg, PicoConfigFile, 511);\r |
523 | cfg[511] = 0;\r |
524 | } else {\r |
525 | romfname_ext(cfg, ".pbcfg");\r |
526 | }\r |
527 | \r |
528 | printf("emu_WriteConfig: %s ", cfg);\r |
529 | f = fopen(cfg, "wb");\r |
530 | if (f) {\r |
531 | currentConfig.PicoOpt = PicoOpt;\r |
532 | currentConfig.PsndRate = PsndRate;\r |
533 | currentConfig.PicoRegion = PicoRegionOverride;\r |
979ba09f |
534 | currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;\r |
720ee7f6 |
535 | bwrite = fwrite(¤tConfig, 1, sizeof(currentConfig), f);\r |
536 | fflush(f);\r |
537 | fclose(f);\r |
538 | sync();\r |
539 | }\r |
540 | printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
541 | \r |
542 | return (bwrite == sizeof(currentConfig));\r |
543 | }\r |
544 | \r |
545 | \r |
546 | void emu_Deinit(void)\r |
547 | {\r |
548 | // save SRAM\r |
549 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
550 | emu_SaveLoadGame(0, 1);\r |
551 | SRam.changed = 0;\r |
552 | }\r |
553 | \r |
554 | if (!(currentConfig.EmuOpt & 0x20))\r |
555 | emu_WriteConfig(0);\r |
556 | free(framebuff);\r |
557 | \r |
558 | PicoExit();\r |
559 | // fclose(logf);\r |
560 | \r |
561 | // restore gamma\r |
562 | if (gp2x_old_gamma != 100)\r |
563 | set_gamma(100);\r |
564 | }\r |
565 | \r |
566 | \r |
567 | void osd_text(int x, int y, char *text)\r |
568 | {\r |
569 | int len = strlen(text)*8;\r |
570 | \r |
571 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
daf91588 |
572 | int *p, i, h;\r |
720ee7f6 |
573 | x &= ~3; // align x\r |
574 | len = (len+3) >> 2;\r |
575 | for (h = 0; h < 8; h++) {\r |
576 | p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r |
daf91588 |
577 | for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r |
720ee7f6 |
578 | }\r |
daf91588 |
579 | gp2x_text_out8_2(x, y, text, 0xf0);\r |
720ee7f6 |
580 | } else {\r |
581 | int *p, i, h;\r |
582 | x &= ~1; // align x\r |
583 | len = (len+1) >> 1;\r |
584 | for (h = 0; h < 8; h++) {\r |
585 | p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r |
586 | for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r |
587 | }\r |
588 | gp2x_text_out15(x, y, text);\r |
589 | }\r |
590 | }\r |
591 | \r |
daf91588 |
592 | static void cd_leds(void)\r |
593 | {\r |
8dfb9fd5 |
594 | // mmu problems?\r |
595 | // static\r |
596 | int old_reg;\r |
597 | // if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r |
daf91588 |
598 | old_reg = Pico_mcd->s68k_regs[0];\r |
599 | \r |
600 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
601 | // 8-bit modes\r |
602 | unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
603 | unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
49fe50f0 |
604 | *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r |
605 | *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r |
606 | *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r |
607 | *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r |
608 | *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r |
609 | *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r |
daf91588 |
610 | } else {\r |
611 | // 16-bit modes\r |
49fe50f0 |
612 | unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r |
daf91588 |
613 | unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r |
614 | unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r |
49fe50f0 |
615 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r |
616 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r |
617 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r |
daf91588 |
618 | }\r |
619 | }\r |
620 | \r |
720ee7f6 |
621 | static int EmuScan16(unsigned int num, void *sdata)\r |
622 | {\r |
623 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
624 | DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r |
625 | \r |
626 | return 0;\r |
627 | }\r |
628 | \r |
629 | static int EmuScan8(unsigned int num, void *sdata)\r |
630 | {\r |
631 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
632 | DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r |
633 | \r |
634 | return 0;\r |
635 | }\r |
636 | \r |
637 | static int localPal[0x100];\r |
638 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
639 | \r |
640 | static void blit(char *fps, char *notice)\r |
641 | {\r |
daf91588 |
642 | int emu_opt = currentConfig.EmuOpt;\r |
643 | \r |
720ee7f6 |
644 | if (PicoOpt&0x10) {\r |
645 | // 8bit fast renderer\r |
646 | if (Pico.m.dirtyPal) {\r |
647 | Pico.m.dirtyPal = 0;\r |
648 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
649 | // feed new palette to our device\r |
650 | gp2x_video_setpalette(localPal, 0x40);\r |
651 | }\r |
652 | vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r |
daf91588 |
653 | } else if (!(emu_opt&0x80)) {\r |
720ee7f6 |
654 | // 8bit accurate renderer\r |
655 | if (Pico.m.dirtyPal) {\r |
656 | Pico.m.dirtyPal = 0;\r |
657 | if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r |
658 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
659 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
660 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
661 | blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r |
daf91588 |
662 | localPal[0xc0] = 0x0000c000;\r |
663 | localPal[0xd0] = 0x00c00000;\r |
720ee7f6 |
664 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
665 | localPal[0xf0] = 0x00ffffff;\r |
666 | gp2x_video_setpalette(localPal, 0x100);\r |
667 | } else if (rendstatus & 0x20) { // mid-frame palette changes\r |
668 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
669 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
670 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
671 | gp2x_video_setpalette(localPal, 0xc0);\r |
672 | } else {\r |
673 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
674 | gp2x_video_setpalette(localPal, 0x40);\r |
675 | }\r |
676 | }\r |
677 | }\r |
678 | \r |
679 | if (notice) osd_text(4, 232, notice);\r |
daf91588 |
680 | if (emu_opt & 2)\r |
720ee7f6 |
681 | osd_text(osd_fps_x, 232, fps);\r |
daf91588 |
682 | if ((emu_opt & 0x400) && (PicoMCD & 1))\r |
683 | cd_leds();\r |
720ee7f6 |
684 | \r |
685 | //gp2x_video_wait_vsync();\r |
686 | gp2x_video_flip();\r |
687 | \r |
688 | if (!(PicoOpt&0x10)) {\r |
689 | if (!(Pico.video.reg[1]&8)) {\r |
690 | if (currentConfig.EmuOpt&0x80) {\r |
691 | DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r |
692 | } else {\r |
693 | DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r |
694 | }\r |
695 | } else {\r |
696 | DrawLineDest = gp2x_screen;\r |
697 | }\r |
698 | }\r |
699 | }\r |
700 | \r |
701 | \r |
702 | // clears whole screen or just the notice area (in all buffers)\r |
703 | static void clearArea(int full)\r |
704 | {\r |
daf91588 |
705 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
706 | // 8-bit renderers\r |
707 | if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
708 | else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
709 | } else {\r |
720ee7f6 |
710 | // 16bit accurate renderer\r |
711 | if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
712 | else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
720ee7f6 |
713 | }\r |
714 | }\r |
715 | \r |
716 | \r |
717 | static void vidResetMode(void)\r |
718 | {\r |
719 | if (PicoOpt&0x10) {\r |
720ee7f6 |
720 | gp2x_video_changemode(8);\r |
720ee7f6 |
721 | } else if (currentConfig.EmuOpt&0x80) {\r |
722 | gp2x_video_changemode(15);\r |
723 | PicoDrawSetColorFormat(1);\r |
724 | PicoScan = EmuScan16;\r |
725 | PicoScan(0, 0);\r |
726 | } else {\r |
daf91588 |
727 | gp2x_video_changemode(8);\r |
728 | PicoDrawSetColorFormat(2);\r |
729 | PicoScan = EmuScan8;\r |
730 | PicoScan(0, 0);\r |
731 | }\r |
732 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
733 | // setup pal for 8-bit modes\r |
734 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
735 | localPal[0xd0] = 0x00c00000;\r |
720ee7f6 |
736 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
737 | localPal[0xf0] = 0x00ffffff;\r |
720ee7f6 |
738 | gp2x_video_setpalette(localPal, 0x100);\r |
739 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
740 | gp2x_video_flip();\r |
720ee7f6 |
741 | }\r |
742 | Pico.m.dirtyPal = 1;\r |
743 | // reset scaling\r |
744 | gp2x_video_RGB_setscaling((PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
745 | }\r |
746 | \r |
747 | \r |
748 | static int check_save_file(void)\r |
749 | {\r |
750 | char saveFname[512];\r |
751 | char ext[16];\r |
752 | FILE *f;\r |
753 | \r |
754 | ext[0] = 0;\r |
755 | if(state_slot > 0 && state_slot < 10) sprintf(ext, ".%i", state_slot);\r |
756 | strcat(ext, ".mds");\r |
757 | if(currentConfig.EmuOpt & 8) strcat(ext, ".gz");\r |
758 | \r |
759 | romfname_ext(saveFname, ext);\r |
760 | if ((f = fopen(saveFname, "rb"))) {\r |
761 | fclose(f);\r |
762 | return 1;\r |
763 | }\r |
764 | return 0;\r |
765 | }\r |
766 | \r |
767 | static void RunEvents(unsigned int which)\r |
768 | {\r |
769 | if(which & 0x1800) { // save or load (but not both)\r |
770 | int do_it = 1;\r |
771 | if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && check_save_file()) {\r |
772 | unsigned long keys;\r |
773 | blit("", "OVERWRITE SAVE? (Y=yes, X=no)");\r |
774 | while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r |
775 | usleep(50*1024);\r |
776 | if (keys & GP2X_X) do_it = 0;\r |
777 | clearArea(0);\r |
778 | }\r |
779 | if (do_it) {\r |
780 | blit("", (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r |
781 | emu_SaveLoadGame(which & 0x1000, 0);\r |
782 | }\r |
783 | \r |
784 | reset_timing = 1;\r |
785 | }\r |
786 | if(which & 0x0400) { // switch renderer\r |
787 | if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r |
788 | else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r |
789 | else currentConfig.EmuOpt &= ~0x80;\r |
790 | \r |
791 | vidResetMode();\r |
792 | \r |
793 | if (PicoOpt&0x10) {\r |
794 | strcpy(noticeMsg, " 8bit fast renderer");\r |
795 | } else if (currentConfig.EmuOpt&0x80) {\r |
796 | strcpy(noticeMsg, "16bit accurate renderer");\r |
797 | } else {\r |
798 | strcpy(noticeMsg, " 8bit accurate renderer");\r |
799 | }\r |
800 | \r |
801 | gettimeofday(¬iceMsgTime, 0);\r |
802 | }\r |
803 | if(which & 0x0300) {\r |
804 | if(which&0x0200) {\r |
805 | state_slot -= 1;\r |
806 | if(state_slot < 0) state_slot = 9;\r |
807 | } else {\r |
808 | state_slot += 1;\r |
809 | if(state_slot > 9) state_slot = 0;\r |
810 | }\r |
811 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, check_save_file() ? "USED" : "FREE");\r |
812 | gettimeofday(¬iceMsgTime, 0);\r |
813 | }\r |
814 | if(which & 0x0080) {\r |
815 | engineState = PGS_Menu;\r |
816 | }\r |
817 | }\r |
818 | \r |
819 | \r |
25fced50 |
820 | static void updateMovie(void)\r |
821 | {\r |
822 | int offs = Pico.m.frame_count*3 + 0x40;\r |
823 | if (offs+3 > movie_size) {\r |
824 | free(movie_data);\r |
825 | movie_data = 0;\r |
826 | strcpy(noticeMsg, "END OF MOVIE.");\r |
827 | printf("END OF MOVIE.\n");\r |
828 | gettimeofday(¬iceMsgTime, 0);\r |
829 | } else {\r |
830 | // MXYZ SACB RLDU\r |
831 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
832 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r |
833 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r |
834 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r |
835 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
836 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r |
837 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r |
838 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r |
839 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
840 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
841 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
842 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
843 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
844 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
845 | }\r |
846 | }\r |
847 | \r |
848 | \r |
720ee7f6 |
849 | static void updateKeys(void)\r |
850 | {\r |
851 | unsigned long keys, allActions[2] = { 0, 0 }, events;\r |
852 | static unsigned long prevEvents = 0;\r |
853 | int joy, i;\r |
854 | \r |
855 | keys = gp2x_joystick_read(0);\r |
856 | if (keys & GP2X_SELECT) {\r |
857 | engineState = select_exits ? PGS_Quit : PGS_Menu;\r |
858 | // wait until select is released, so menu would not resume game\r |
859 | while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r |
860 | }\r |
861 | \r |
862 | keys &= CONFIGURABLE_KEYS;\r |
863 | \r |
864 | for (i = 0; i < 32; i++)\r |
865 | {\r |
866 | if (keys & (1 << i)) {\r |
867 | int pl, acts = currentConfig.KeyBinds[i];\r |
868 | if (!acts) continue;\r |
869 | pl = (acts >> 16) & 1;\r |
870 | if (combo_keys & (1 << i)) {\r |
871 | int u = i+1, acts_c = acts & combo_acts;\r |
872 | // let's try to find the other one\r |
873 | if (acts_c)\r |
874 | for (; u < 32; u++)\r |
875 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r |
876 | allActions[pl] |= acts_c;\r |
877 | keys &= ~((1 << i) | (1 << u));\r |
878 | break;\r |
879 | }\r |
880 | // add non-combo actions if combo ones were not found\r |
881 | if (!acts_c || u == 32)\r |
882 | allActions[pl] |= acts & ~combo_acts;\r |
883 | } else {\r |
884 | allActions[pl] |= acts;\r |
885 | }\r |
886 | }\r |
887 | }\r |
888 | \r |
889 | // add joy inputs\r |
890 | if (num_of_joys > 0)\r |
891 | {\r |
892 | gp2x_usbjoy_update();\r |
893 | for (joy = 0; joy < num_of_joys; joy++) {\r |
894 | int keys = gp2x_usbjoy_check2(joy);\r |
895 | for (i = 0; i < 32; i++) {\r |
896 | if (keys & (1 << i)) {\r |
897 | int acts = currentConfig.JoyBinds[joy][i];\r |
898 | int pl = (acts >> 16) & 1;\r |
899 | allActions[pl] |= acts;\r |
900 | }\r |
901 | }\r |
902 | }\r |
903 | }\r |
904 | \r |
25fced50 |
905 | PicoPad[0] = (unsigned short) allActions[0];\r |
906 | PicoPad[1] = (unsigned short) allActions[1];\r |
720ee7f6 |
907 | \r |
908 | events = (allActions[0] | allActions[1]) >> 16;\r |
909 | \r |
910 | // volume is treated in special way and triggered every frame\r |
911 | if(events & 0x6000) {\r |
912 | int vol = currentConfig.volume;\r |
913 | if (events & 0x2000) {\r |
914 | if (vol < 90) vol++;\r |
915 | } else {\r |
916 | if (vol > 0) vol--;\r |
917 | }\r |
918 | gp2x_sound_volume(vol, vol);\r |
919 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
920 | gettimeofday(¬iceMsgTime, 0);\r |
921 | currentConfig.volume = vol;\r |
922 | }\r |
923 | \r |
924 | events &= ~prevEvents;\r |
925 | if (events) RunEvents(events);\r |
25fced50 |
926 | if (movie_data) updateMovie();\r |
720ee7f6 |
927 | \r |
928 | prevEvents = (allActions[0] | allActions[1]) >> 16;\r |
929 | }\r |
930 | \r |
720ee7f6 |
931 | \r |
3ef975c9 |
932 | static void updateSound(int len)\r |
720ee7f6 |
933 | {\r |
3ef975c9 |
934 | if (PicoOpt&8) len<<=1;\r |
720ee7f6 |
935 | \r |
936 | gp2x_sound_write(PsndOut, len<<1);\r |
937 | }\r |
938 | \r |
939 | \r |
940 | static void SkipFrame(int do_sound)\r |
941 | {\r |
942 | void *sndbuff_tmp = 0;\r |
943 | if (PsndOut && !do_sound) {\r |
944 | sndbuff_tmp = PsndOut;\r |
945 | PsndOut = 0;\r |
946 | }\r |
947 | \r |
948 | PicoSkipFrame=1;\r |
949 | PicoFrame();\r |
950 | PicoSkipFrame=0;\r |
951 | \r |
952 | if (sndbuff_tmp && !do_sound) {\r |
953 | PsndOut = sndbuff_tmp;\r |
954 | }\r |
955 | }\r |
956 | \r |
957 | \r |
958 | static void simpleWait(int thissec, int lim_time)\r |
959 | {\r |
960 | struct timeval tval;\r |
961 | \r |
962 | spend_cycles(1024);\r |
963 | gettimeofday(&tval, 0);\r |
964 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
965 | \r |
966 | while(tval.tv_usec < lim_time)\r |
967 | {\r |
968 | spend_cycles(1024);\r |
969 | gettimeofday(&tval, 0);\r |
970 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
971 | }\r |
972 | }\r |
973 | \r |
974 | \r |
975 | void emu_Loop(void)\r |
976 | {\r |
977 | static int gp2x_old_clock = 200;\r |
978 | static int PsndRate_old = 0, PicoOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r |
979 | char fpsbuff[24]; // fps count c string\r |
980 | struct timeval tval; // timing\r |
981 | int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r |
982 | int target_fps, target_frametime, lim_time, i;\r |
983 | char *notice = 0;\r |
984 | \r |
985 | printf("entered emu_Loop()\n");\r |
986 | \r |
987 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
988 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
989 | set_FCLK(currentConfig.CPUclock);\r |
990 | gp2x_old_clock = currentConfig.CPUclock;\r |
991 | printf(" done\n");\r |
992 | }\r |
993 | \r |
994 | if (gp2x_old_gamma != currentConfig.gamma) {\r |
995 | set_gamma(currentConfig.gamma);\r |
996 | gp2x_old_gamma = currentConfig.gamma;\r |
997 | printf("updated gamma to %i\n", currentConfig.gamma);\r |
998 | }\r |
999 | \r |
1000 | fpsbuff[0] = 0;\r |
1001 | \r |
1002 | // make sure we are in correct mode\r |
1003 | vidResetMode();\r |
1004 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
1005 | find_combos();\r |
1006 | \r |
1007 | // pal/ntsc might have changed, reset related stuff\r |
1008 | target_fps = Pico.m.pal ? 50 : 60;\r |
1009 | target_frametime = 1000000/target_fps;\r |
1010 | reset_timing = 1;\r |
1011 | \r |
1012 | // prepare sound stuff\r |
1013 | if(currentConfig.EmuOpt & 4) {\r |
3ef975c9 |
1014 | int snd_excess_add;\r |
720ee7f6 |
1015 | if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r |
1016 | /* if 940 is turned off, we need it to be put back to sleep */\r |
1017 | if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r |
8dfb9fd5 |
1018 | Reset940(1, 2);\r |
720ee7f6 |
1019 | Pause940(1);\r |
1020 | }\r |
3ef975c9 |
1021 | sound_rerate(1);\r |
720ee7f6 |
1022 | }\r |
1023 | //excess_samples = PsndRate - PsndLen*target_fps;\r |
720ee7f6 |
1024 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
1025 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
1026 | gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r |
1027 | gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r |
1028 | PicoWriteSound = updateSound;\r |
3ef975c9 |
1029 | memset(sndBuffer, 0, sizeof(sndBuffer));\r |
1030 | PsndOut = sndBuffer;\r |
720ee7f6 |
1031 | PsndRate_old = PsndRate;\r |
1032 | PsndLen_real = PsndLen;\r |
1033 | PicoOpt_old = PicoOpt;\r |
1034 | pal_old = Pico.m.pal;\r |
1035 | } else {\r |
1036 | PsndOut = 0;\r |
1037 | }\r |
1038 | \r |
1039 | // loop?\r |
1040 | while (engineState == PGS_Running)\r |
1041 | {\r |
1042 | int modes;\r |
1043 | \r |
1044 | gettimeofday(&tval, 0);\r |
1045 | if(reset_timing) {\r |
1046 | reset_timing = 0;\r |
1047 | thissec = tval.tv_sec;\r |
1048 | frames_shown = frames_done = tval.tv_usec/target_frametime;\r |
1049 | }\r |
1050 | \r |
1051 | // show notice message?\r |
1052 | if(noticeMsgTime.tv_sec) {\r |
1053 | static int noticeMsgSum;\r |
1054 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
1055 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
1056 | clearArea(0);\r |
1057 | notice = 0;\r |
1058 | } else {\r |
1059 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
1060 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
1061 | notice = noticeMsg;\r |
1062 | }\r |
1063 | }\r |
1064 | \r |
1065 | // check for mode changes\r |
1066 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
1067 | if (modes != oldmodes) {\r |
1068 | int scalex = 320;\r |
1069 | osd_fps_x = OSD_FPS_X;\r |
1070 | if (modes & 4) {\r |
1071 | vidCpyM2 = vidCpyM2_40col;\r |
1072 | } else {\r |
1073 | if (PicoOpt & 0x100) {\r |
1074 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
1075 | scalex = 256;\r |
1076 | osd_fps_x = OSD_FPS_X - 64;\r |
1077 | } else {\r |
1078 | vidCpyM2 = vidCpyM2_32col;\r |
1079 | }\r |
1080 | }\r |
1081 | gp2x_video_RGB_setscaling(scalex, 240);\r |
1082 | oldmodes = modes;\r |
1083 | clearArea(1);\r |
1084 | }\r |
1085 | \r |
1086 | // second changed?\r |
1087 | if(thissec != tval.tv_sec) {\r |
1088 | #ifdef BENCHMARK\r |
1089 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
1090 | if(++bench == 10) {\r |
1091 | bench = 0;\r |
1092 | bench_fps_s = bench_fps;\r |
1093 | bf[bfp++ & 3] = bench_fps;\r |
1094 | bench_fps = 0;\r |
1095 | }\r |
1096 | bench_fps += frames_shown;\r |
1097 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
1098 | #else\r |
1099 | if(currentConfig.EmuOpt & 2)\r |
1100 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
1101 | #endif\r |
1102 | thissec = tval.tv_sec;\r |
1103 | \r |
1104 | if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
1105 | frames_done = frames_shown = 0;\r |
1106 | } else {\r |
1107 | // it is quite common for this implementation to leave 1 fame unfinished\r |
1108 | // when second changes, but we don't want buffer to starve.\r |
1109 | if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r |
1110 | updateKeys();\r |
1111 | SkipFrame(1); frames_done++;\r |
1112 | }\r |
1113 | \r |
1114 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r |
1115 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r |
1116 | if (frames_shown > frames_done) frames_shown = frames_done;\r |
1117 | }\r |
1118 | }\r |
1119 | \r |
1120 | lim_time = (frames_done+1) * target_frametime;\r |
1121 | if(currentConfig.Frameskip >= 0) { // frameskip enabled\r |
1122 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
1123 | updateKeys();\r |
1124 | SkipFrame(1); frames_done++;\r |
1125 | if (PsndOut) { // do framelimitting if sound is enabled\r |
1126 | gettimeofday(&tval, 0);\r |
1127 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
1128 | if(tval.tv_usec < lim_time) { // we are too fast\r |
1129 | simpleWait(thissec, lim_time);\r |
1130 | }\r |
1131 | }\r |
1132 | lim_time += target_frametime;\r |
1133 | }\r |
1134 | } else if(tval.tv_usec > lim_time) { // auto frameskip\r |
1135 | // no time left for this frame - skip\r |
1136 | updateKeys();\r |
1137 | SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;\r |
1138 | continue;\r |
1139 | }\r |
1140 | \r |
1141 | updateKeys();\r |
1142 | PicoFrame();\r |
1143 | \r |
47f22a1f |
1144 | #if 0\r |
1145 | if (Pico.m.frame_count == 31563) {\r |
1146 | FILE *f;\r |
1147 | f = fopen("ram_p.bin", "wb");\r |
1148 | if (!f) { printf("!f\n"); exit(1); }\r |
1149 | fwrite(Pico.ram, 1, 0x10000, f);\r |
1150 | fclose(f);\r |
1151 | exit(0);\r |
1152 | }\r |
1153 | #endif\r |
1a20dbc8 |
1154 | #if 0\r |
1155 | // debug\r |
1156 | {\r |
47f22a1f |
1157 | #define BYTE unsigned char\r |
1158 | #define WORD unsigned short\r |
1159 | struct\r |
1160 | {\r |
1161 | BYTE IDLength; /* 00h Size of Image ID field */\r |
1162 | BYTE ColorMapType; /* 01h Color map type */\r |
1163 | BYTE ImageType; /* 02h Image type code */\r |
1164 | WORD CMapStart; /* 03h Color map origin */\r |
1165 | WORD CMapLength; /* 05h Color map length */\r |
1166 | BYTE CMapDepth; /* 07h Depth of color map entries */\r |
1167 | WORD XOffset; /* 08h X origin of image */\r |
1168 | WORD YOffset; /* 0Ah Y origin of image */\r |
1169 | WORD Width; /* 0Ch Width of image */\r |
1170 | WORD Height; /* 0Eh Height of image */\r |
1171 | BYTE PixelDepth; /* 10h Image pixel size */\r |
1172 | BYTE ImageDescriptor; /* 11h Image descriptor byte */\r |
1173 | } __attribute__((packed)) TGAHEAD;\r |
1174 | static unsigned short oldscr[320*240];\r |
1a20dbc8 |
1175 | FILE *f; char name[128]; int i;\r |
47f22a1f |
1176 | \r |
1177 | memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r |
1178 | TGAHEAD.ImageType = 2;\r |
1179 | TGAHEAD.Width = 320;\r |
1180 | TGAHEAD.Height = 240;\r |
1181 | TGAHEAD.PixelDepth = 16;\r |
1182 | TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r |
1183 | \r |
1184 | #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r |
1185 | \r |
1186 | for (i = 0; i < 320*240; i++)\r |
1187 | if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r |
1188 | if (i < 320*240)\r |
1a20dbc8 |
1189 | {\r |
47f22a1f |
1190 | for (i = 0; i < 320*240; i++)\r |
1191 | oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r |
1192 | sprintf(name, "%05i.tga", Pico.m.frame_count);\r |
1a20dbc8 |
1193 | f = fopen(name, "wb");\r |
1194 | if (!f) { printf("!f\n"); exit(1); }\r |
47f22a1f |
1195 | fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r |
1196 | fwrite(oldscr, 1, 320*240*2, f);\r |
1a20dbc8 |
1197 | fclose(f);\r |
1198 | }\r |
1199 | }\r |
1200 | #endif\r |
1201 | \r |
720ee7f6 |
1202 | // check time\r |
1203 | gettimeofday(&tval, 0);\r |
1204 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
1205 | \r |
1206 | // sleep if we are still too fast\r |
1207 | if(PsndOut != 0 || currentConfig.Frameskip < 0)\r |
1208 | {\r |
1209 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
1210 | gettimeofday(&tval, 0);\r |
1211 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
1212 | if(tval.tv_usec < lim_time)\r |
1213 | {\r |
1214 | // we are too fast\r |
1215 | simpleWait(thissec, lim_time);\r |
1216 | }\r |
1217 | }\r |
1218 | \r |
1219 | blit(fpsbuff, notice);\r |
1220 | \r |
1221 | frames_done++; frames_shown++;\r |
1222 | }\r |
1223 | \r |
1224 | // save SRAM\r |
1225 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
979ba09f |
1226 | blit("", "Writing SRAM/BRAM..");\r |
720ee7f6 |
1227 | emu_SaveLoadGame(0, 1);\r |
1228 | SRam.changed = 0;\r |
1229 | }\r |
720ee7f6 |
1230 | }\r |
1231 | \r |
1232 | \r |
1233 | void emu_ResetGame(void)\r |
1234 | {\r |
1235 | PicoReset(0);\r |
1236 | reset_timing = 1;\r |
1237 | }\r |
1238 | \r |
1239 | \r |
1240 | size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r |
1241 | {\r |
1242 | return gzread(file, p, _n);\r |
1243 | }\r |
1244 | \r |
1245 | \r |
1246 | size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r |
1247 | {\r |
1248 | return gzwrite(file, p, _n);\r |
1249 | }\r |
1250 | \r |
720ee7f6 |
1251 | \r |
1252 | int emu_SaveLoadGame(int load, int sram)\r |
1253 | {\r |
1254 | int ret = 0;\r |
1255 | char saveFname[512];\r |
1256 | \r |
1257 | // make save filename\r |
1258 | romfname_ext(saveFname, "");\r |
15f38574 |
1259 | if(sram) strcat(saveFname, (PicoMCD&1) ? ".brm" : ".srm");\r |
720ee7f6 |
1260 | else {\r |
1261 | if(state_slot > 0 && state_slot < 10) sprintf(saveFname, "%s.%i", saveFname, state_slot);\r |
1262 | strcat(saveFname, ".mds");\r |
1263 | }\r |
1264 | \r |
1265 | printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
1266 | \r |
1267 | if(sram) {\r |
1268 | FILE *sramFile;\r |
15f38574 |
1269 | int sram_size;\r |
1270 | unsigned char *sram_data;\r |
1271 | if (PicoMCD&1) {\r |
1272 | sram_size = 0x2000;\r |
1273 | sram_data = Pico_mcd->bram;\r |
1274 | } else {\r |
1275 | sram_size = SRam.end-SRam.start+1;\r |
1276 | if(SRam.reg_back & 4) sram_size=0x2000;\r |
1277 | sram_data = SRam.data;\r |
1278 | }\r |
1279 | if(!sram_data) return 0; // SRam forcefully disabled for this game\r |
1280 | \r |
720ee7f6 |
1281 | if(load) {\r |
1282 | sramFile = fopen(saveFname, "rb");\r |
1283 | if(!sramFile) return -1;\r |
15f38574 |
1284 | fread(sram_data, 1, sram_size, sramFile);\r |
720ee7f6 |
1285 | fclose(sramFile);\r |
1286 | } else {\r |
1287 | // sram save needs some special processing\r |
1288 | // see if we have anything to save\r |
1289 | for(; sram_size > 0; sram_size--)\r |
15f38574 |
1290 | if(sram_data[sram_size-1]) break;\r |
720ee7f6 |
1291 | \r |
1292 | if(sram_size) {\r |
1293 | sramFile = fopen(saveFname, "wb");\r |
15f38574 |
1294 | ret = fwrite(sram_data, 1, sram_size, sramFile);\r |
720ee7f6 |
1295 | ret = (ret != sram_size) ? -1 : 0;\r |
1296 | fclose(sramFile);\r |
1297 | sync();\r |
1298 | }\r |
1299 | }\r |
1300 | return ret;\r |
15f38574 |
1301 | }\r |
1302 | else\r |
1303 | {\r |
720ee7f6 |
1304 | void *PmovFile = NULL;\r |
1305 | // try gzip first\r |
1306 | if(currentConfig.EmuOpt & 8) {\r |
1307 | strcat(saveFname, ".gz");\r |
1308 | if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r |
1309 | areaRead = gzRead2;\r |
1310 | areaWrite = gzWrite2;\r |
979ba09f |
1311 | areaEof = (areaeof *) gzeof;\r |
98c9d8d9 |
1312 | areaSeek = (areaseek *) gzseek;\r |
720ee7f6 |
1313 | if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r |
1314 | } else\r |
1315 | saveFname[strlen(saveFname)-3] = 0;\r |
1316 | }\r |
1317 | if(!PmovFile) { // gzip failed or was disabled\r |
1318 | if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r |
979ba09f |
1319 | areaRead = (arearw *) fread;\r |
1320 | areaWrite = (arearw *) fwrite;\r |
1321 | areaEof = (areaeof *) feof;\r |
98c9d8d9 |
1322 | areaSeek = (areaseek *) fseek;\r |
720ee7f6 |
1323 | }\r |
1324 | }\r |
1325 | if(PmovFile) {\r |
98c9d8d9 |
1326 | ret = PmovState(load ? 6 : 5, PmovFile);\r |
720ee7f6 |
1327 | if(areaRead == gzRead2)\r |
1328 | gzclose(PmovFile);\r |
1329 | else fclose ((FILE *) PmovFile);\r |
1330 | PmovFile = 0;\r |
1331 | if (!load) sync();\r |
1332 | else Pico.m.dirtyPal=1;\r |
98c9d8d9 |
1333 | }\r |
1334 | else ret = -1;\r |
1335 | if (!ret)\r |
1336 | strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r |
1337 | else\r |
1338 | {\r |
720ee7f6 |
1339 | strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r |
1340 | ret = -1;\r |
1341 | }\r |
1342 | \r |
1343 | gettimeofday(¬iceMsgTime, 0);\r |
1344 | return ret;\r |
1345 | }\r |
1346 | }\r |