notaz.gp2x.de / picodrive.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
SekRunPS Cyclone integration
[picodrive.git] / platform / gp2x / emu.c
CommitLineData
cc68a136 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
860c6322 9#include <sys/stat.h>\r
10#include <sys/types.h>\r
cc68a136 11#include <linux/limits.h>\r
12#include <ctype.h>\r
13#include <unistd.h>\r
14\r
15#include <stdarg.h>\r
16\r
17#include "emu.h"\r
18#include "gp2x.h"\r
19#include "usbjoy.h"\r
20#include "menu.h"\r
21#include "asmutils.h"\r
22#include "cpuctrl.h"\r
23\r
b67ef287 24#include <Pico/PicoInt.h>\r
25#include <Pico/Patch.h>\r
26#include <zlib/zlib.h>\r
cc68a136 27\r
28\r
29#ifdef BENCHMARK\r
30#define OSD_FPS_X 220\r
31#else\r
32#define OSD_FPS_X 260\r
33#endif\r
34\r
35// PicoPad[] format: SACB RLDU\r
36char *actionNames[] = {\r
37 "UP", "DOWN", "LEFT", "RIGHT", "B", "C", "A", "START",\r
38 0, 0, 0, 0, 0, 0, 0, 0, // Z, Y, X, MODE (enabled only when needed), ?, ?, ?, ?\r
39 0, 0, 0, 0, 0, 0, 0, "ENTER MENU", // player2_flag, ?, ?, ?, ?, ?, ?, menu\r
40 "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",\r
41 "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"\r
42};\r
43\r
44int engineState;\r
45int select_exits = 0;\r
46char *PicoConfigFile = "picoconfig.bin";\r
47currentConfig_t currentConfig;\r
48\r
49char romFileName[PATH_MAX];\r
50unsigned char *rom_data = NULL;\r
51\r
52extern int crashed_940;\r
53\r
7a93adeb 54static short sndBuffer[2*44100/50];\r
cc68a136 55static char noticeMsg[64]; // notice msg to draw\r
56static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
57static int reset_timing, osd_fps_x;\r
58static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos\r
59static int gp2x_old_gamma = 100;\r
60static unsigned char *movie_data = NULL;\r
61static int movie_size = 0;\r
cc68a136 62unsigned char *framebuff = 0; // temporary buffer for alt renderer\r
63int state_slot = 0;\r
64\r
65/*\r
66// tmp\r
67static FILE *logf = NULL;\r
68\r
69void pprintf(char *texto, ...)\r
70{\r
71 va_list args;\r
72\r
73 va_start(args,texto);\r
74 vfprintf(logf,texto,args);\r
75 va_end(args);\r
76 fflush(logf);\r
77 sync();\r
78}\r
79*/\r
80// utilities\r
81static void strlwr(char* string)\r
82{\r
83 while ( (*string++ = (char)tolower(*string)) );\r
84}\r
85\r
672ad671 86static int try_rfn_cut(void)\r
cc68a136 87{\r
88 FILE *tmp;\r
89 char *p;\r
90\r
672ad671 91 p = romFileName + strlen(romFileName) - 1;\r
92 for (; p > romFileName; p--)\r
93 if (*p == '.') break;\r
94 *p = 0;\r
cc68a136 95\r
96 if((tmp = fopen(romFileName, "rb"))) {\r
97 fclose(tmp);\r
98 return 1;\r
99 }\r
100 return 0;\r
101}\r
102\r
bf098bc5 103static void get_ext(char *file, char *ext)\r
8c1952f0 104{\r
105 char *p;\r
106\r
bf098bc5 107 p = file + strlen(file) - 4;\r
108 if (p < file) p = file;\r
8c1952f0 109 strncpy(ext, p, 4);\r
110 ext[4] = 0;\r
111 strlwr(ext);\r
112}\r
113\r
bf098bc5 114char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r
115char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };\r
116char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
117\r
118extern char **g_argv;\r
119\r
120int find_bios(int region, char **bios_file)\r
121{\r
122 static char bios_path[1024];\r
123 int i, j, count;\r
124 char **files;\r
125 FILE *f = NULL;\r
126\r
127 if (region == 4) { // US\r
128 files = biosfiles_us;\r
129 count = sizeof(biosfiles_us) / sizeof(char *);\r
130 } else if (region == 8) { // EU\r
131 files = biosfiles_eu;\r
132 count = sizeof(biosfiles_eu) / sizeof(char *);\r
133 } else if (region == 1 || region == 2) {\r
134 files = biosfiles_jp;\r
135 count = sizeof(biosfiles_jp) / sizeof(char *);\r
136 } else {\r
137 return 0;\r
138 }\r
139\r
140 for (i = 0; i < count; i++)\r
141 {\r
142 strncpy(bios_path, g_argv[0], 1023);\r
143 bios_path[1024-32] = 0;\r
144 for (j = strlen(bios_path); j > 0; j--)\r
145 if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }\r
146 strcat(bios_path, files[i]);\r
147 strcat(bios_path, ".bin");\r
148 f = fopen(bios_path, "rb");\r
149 if (f) break;\r
150\r
151 bios_path[strlen(bios_path) - 4] = 0;\r
152 strcat(bios_path, ".zip");\r
153 f = fopen(bios_path, "rb");\r
154 if (f) break;\r
155 }\r
156\r
157 if (f) {\r
158 printf("using bios: %s\n", bios_path);\r
159 fclose(f);\r
160 if (bios_file) *bios_file = bios_path;\r
161 return 1;\r
162 } else {\r
163 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
164 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
165 printf("%s\n", menuErrorMsg);\r
166 return 0;\r
167 }\r
168}\r
169\r
170/* checks if romFileName points to valid MegaCD image\r
171 * if so, checks for suitable BIOS */\r
83bd0b76 172static int cd_check(char **bios_file)\r
bf098bc5 173{\r
174 unsigned char buf[32];\r
83bd0b76 175 pm_file *cd_f;\r
bf098bc5 176 int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
177\r
83bd0b76 178 cd_f = pm_open(romFileName);\r
bf098bc5 179 if (!cd_f) return 0; // let the upper level handle this\r
180\r
83bd0b76 181 if (pm_read(buf, 32, cd_f) != 32) {\r
182 pm_close(cd_f);\r
bf098bc5 183 return 0;\r
184 }\r
185\r
186 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r
187 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r
188 if (type == 0) {\r
83bd0b76 189 pm_close(cd_f);\r
bf098bc5 190 return 0;\r
191 }\r
192\r
193 /* it seems we have a CD image here. Try to detect region and load a suitable BIOS now.. */\r
83bd0b76 194 pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
195 pm_read(buf, 1, cd_f);\r
196 pm_close(cd_f);\r
bf098bc5 197\r
cb0316e4 198 if (buf[0] == 0x64) region = 8; // EU\r
bf098bc5 199 if (buf[0] == 0xa1) region = 1; // JAP\r
200\r
201 printf("detected %s Sega/Mega CD image with %s region\n",\r
202 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
203\r
204 if (PicoRegionOverride) {\r
205 region = PicoRegionOverride;\r
206 printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
207 }\r
208\r
209 if(find_bios(region, bios_file))\r
210 return type; // CD and BIOS detected\r
211\r
212 return -1; // CD detected but load failed\r
213}\r
214\r
cc68a136 215int emu_ReloadRom(void)\r
216{\r
217 unsigned int rom_size = 0;\r
bf098bc5 218 char *used_rom_name = romFileName;\r
8c1952f0 219 char ext[5];\r
83bd0b76 220 pm_file *rom;\r
bf098bc5 221 int ret, cd_state;\r
cc68a136 222\r
223 printf("emu_ReloadRom(%s)\n", romFileName);\r
224\r
bf098bc5 225 get_ext(romFileName, ext);\r
cc68a136 226\r
bf098bc5 227 // detect wrong extensions\r
cc68a136 228 if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
229 sprintf(menuErrorMsg, "Not a ROM selected.");\r
230 return 0;\r
231 }\r
232\r
b67ef287 233 PicoPatchUnload();\r
234\r
cc68a136 235 // check for movie file\r
236 if(movie_data) {\r
237 free(movie_data);\r
238 movie_data = 0;\r
239 }\r
240 if(!strcmp(ext, ".gmv")) {\r
241 // check for both gmv and rom\r
242 int dummy;\r
243 FILE *movie_file = fopen(romFileName, "rb");\r
244 if(!movie_file) {\r
245 sprintf(menuErrorMsg, "Failed to open movie.");\r
246 return 0;\r
247 }\r
248 fseek(movie_file, 0, SEEK_END);\r
249 movie_size = ftell(movie_file);\r
250 fseek(movie_file, 0, SEEK_SET);\r
251 if(movie_size < 64+3) {\r
252 sprintf(menuErrorMsg, "Invalid GMV file.");\r
253 fclose(movie_file);\r
254 return 0;\r
255 }\r
256 movie_data = malloc(movie_size);\r
257 if(movie_data == NULL) {\r
258 sprintf(menuErrorMsg, "low memory.");\r
259 fclose(movie_file);\r
260 return 0;\r
261 }\r
262 fread(movie_data, 1, movie_size, movie_file);\r
263 fclose(movie_file);\r
264 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
265 sprintf(menuErrorMsg, "Invalid GMV file.");\r
266 return 0;\r
267 }\r
672ad671 268 dummy = try_rfn_cut() || try_rfn_cut();\r
cc68a136 269 if (!dummy) {\r
270 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
271 return 0;\r
272 }\r
bf098bc5 273 get_ext(romFileName, ext);\r
cc68a136 274 }\r
b67ef287 275 else if (!strcmp(ext, ".pat")) {\r
276 int dummy;\r
277 PicoPatchLoad(romFileName);\r
278 dummy = try_rfn_cut() || try_rfn_cut();\r
279 if (!dummy) {\r
280 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
281 return 0;\r
282 }\r
283 get_ext(romFileName, ext);\r
284 }\r
cc68a136 285\r
bf098bc5 286 // check for MegaCD image\r
83bd0b76 287 cd_state = cd_check(&used_rom_name);\r
bf098bc5 288 if (cd_state > 0) {\r
289 PicoMCD |= 1;\r
290 get_ext(used_rom_name, ext);\r
291 } else if (cd_state == -1) {\r
292 // bios_help() ?\r
293 return 0;\r
294 } else {\r
4f265db7 295 if (PicoMCD & 1) PicoExitMCD();\r
bf098bc5 296 PicoMCD &= ~1;\r
297 }\r
298\r
83bd0b76 299 rom = pm_open(used_rom_name);\r
cc68a136 300 if(!rom) {\r
301 sprintf(menuErrorMsg, "Failed to open rom.");\r
302 return 0;\r
303 }\r
304\r
305 if(rom_data) {\r
306 free(rom_data);\r
307 rom_data = 0;\r
308 rom_size = 0;\r
309 }\r
310\r
83bd0b76 311 if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
312 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
313 printf("%s\n", menuErrorMsg);\r
314 pm_close(rom);\r
315 return 0;\r
cc68a136 316 }\r
83bd0b76 317 pm_close(rom);\r
cc68a136 318\r
319 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
320 if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
321 ((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
322 if (rom_data) free(rom_data);\r
323 rom_data = 0;\r
324 sprintf(menuErrorMsg, "Not a ROM selected.");\r
325 return 0;\r
326 }\r
327\r
bf098bc5 328 // load config for this ROM (do this before insert to get correct region)\r
329 ret = emu_ReadConfig(1);\r
330 if (!ret)\r
331 emu_ReadConfig(0);\r
332\r
cc68a136 333 printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
334 if(PicoCartInsert(rom_data, rom_size)) {\r
335 sprintf(menuErrorMsg, "Failed to load ROM.");\r
336 return 0;\r
337 }\r
338\r
bf098bc5 339 Pico.m.frame_count = 0;\r
340\r
341 // insert CD if it was detected\r
342 if (cd_state > 0) {\r
343 ret = Insert_CD(romFileName, cd_state == 2);\r
344 if (ret != 0) {\r
345 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
346 printf("%s\n", menuErrorMsg);\r
347 return 0;\r
348 }\r
349 }\r
cc68a136 350\r
351 // emu_ReadConfig() might have messed currentConfig.lastRomFile\r
352 strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r
353 currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r
354\r
b67ef287 355 if (PicoPatches) {\r
356 PicoPatchPrepare();\r
357 PicoPatchApply();\r
358 }\r
359\r
cc68a136 360 // additional movie stuff\r
361 if(movie_data) {\r
362 if(movie_data[0x14] == '6')\r
363 PicoOpt |= 0x20; // 6 button pad\r
364 else PicoOpt &= ~0x20;\r
4f672280 365 PicoOpt |= 0x40; // accurate timing\r
cc68a136 366 if(movie_data[0xF] >= 'A') {\r
4f672280 367 if(movie_data[0x16] & 0x80) {\r
368 PicoRegionOverride = 8;\r
369 } else {\r
370 PicoRegionOverride = 4;\r
371 }\r
372 PicoReset(0);\r
cc68a136 373 // TODO: bits 6 & 5\r
374 }\r
4f672280 375 movie_data[0x18+30] = 0;\r
376 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
cc68a136 377 }\r
378 else\r
379 {\r
380 if(Pico.m.pal) {\r
381 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
382 } else {\r
383 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
384 }\r
385 }\r
386 gettimeofday(&noticeMsgTime, 0);\r
4f265db7 387\r
cc68a136 388 // load SRAM for this ROM\r
389 if(currentConfig.EmuOpt & 1)\r
390 emu_SaveLoadGame(1, 1);\r
391\r
cc68a136 392 return 1;\r
393}\r
394\r
395\r
396void emu_Init(void)\r
397{\r
398 // make temp buffer for alt renderer\r
399 framebuff = malloc((8+320)*(8+240+8));\r
400 if (!framebuff)\r
401 {\r
402 printf("framebuff == 0\n");\r
403 }\r
404\r
860c6322 405 // make dirs for saves, cfgs, etc.\r
406 mkdir("mds", 0777);\r
407 mkdir("srm", 0777);\r
408 mkdir("brm", 0777);\r
409 mkdir("cfg", 0777);\r
410\r
cc68a136 411 PicoInit();\r
412\r
413// logf = fopen("log.txt", "w");\r
414}\r
415\r
416\r
860c6322 417static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
cc68a136 418{\r
419 char *p;\r
860c6322 420 int prefix_len = 0;\r
cc68a136 421\r
422 // make save filename\r
423 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
860c6322 424 *dst = 0;\r
425 if (prefix) {\r
426 strcpy(dst, prefix);\r
427 prefix_len = strlen(prefix);\r
428 }\r
429 strncpy(dst + prefix_len, p, 511-prefix_len);\r
cc68a136 430 dst[511-8] = 0;\r
860c6322 431 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
432 if (ext) strcat(dst, ext);\r
cc68a136 433}\r
434\r
435\r
436static void find_combos(void)\r
437{\r
438 int act, u;\r
439\r
440 // find out which keys and actions are combos\r
441 combo_keys = combo_acts = 0;\r
442 for (act = 0; act < 32; act++)\r
443 {\r
444 int keyc = 0;\r
445 if (act == 16) continue; // player2 flag\r
446 for (u = 0; u < 32; u++)\r
447 {\r
448 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
449 }\r
450 if (keyc > 1)\r
451 {\r
452 // loop again and mark those keys and actions as combo\r
453 for (u = 0; u < 32; u++)\r
454 {\r
455 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
456 combo_keys |= 1 << u;\r
457 combo_acts |= 1 << act;\r
458 }\r
459 }\r
460 }\r
461 }\r
462 // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r
463}\r
464\r
465\r
466int emu_ReadConfig(int game)\r
467{\r
468 FILE *f;\r
469 char cfg[512];\r
470 int bread = 0;\r
471\r
472 if (!game)\r
473 {\r
474 // set default config\r
475 memset(&currentConfig, 0, sizeof(currentConfig));\r
476 currentConfig.lastRomFile[0] = 0;\r
4f265db7 477 currentConfig.EmuOpt = 0x1f | 0x400; // | cd_leds\r
478 currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940 | cd_pcm | cd_cdda\r
1cd356a3 479 currentConfig.PsndRate = 22050; // 44100;\r
cc68a136 480 currentConfig.PicoRegion = 0; // auto\r
51a902ae 481 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r
cc68a136 482 currentConfig.Frameskip = -1; // auto\r
483 currentConfig.CPUclock = 200;\r
484 currentConfig.volume = 50;\r
485 currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r
486 currentConfig.KeyBinds[ 4] = 1<<1;\r
487 currentConfig.KeyBinds[ 2] = 1<<2;\r
488 currentConfig.KeyBinds[ 6] = 1<<3;\r
489 currentConfig.KeyBinds[14] = 1<<4;\r
490 currentConfig.KeyBinds[13] = 1<<5;\r
491 currentConfig.KeyBinds[12] = 1<<6;\r
492 currentConfig.KeyBinds[ 8] = 1<<7;\r
493 currentConfig.KeyBinds[15] = 1<<26; // switch rend\r
494 currentConfig.KeyBinds[10] = 1<<27; // save state\r
495 currentConfig.KeyBinds[11] = 1<<28; // load state\r
496 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
497 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
498 currentConfig.gamma = 100;\r
0a051f55 499 currentConfig.PicoCDBuffers = 64;\r
cc68a136 500 strncpy(cfg, PicoConfigFile, 511);\r
501 cfg[511] = 0;\r
502 } else {\r
860c6322 503 romfname_ext(cfg, "cfg/", ".pbcfg");\r
504 f = fopen(cfg, "rb");\r
505 if (!f) romfname_ext(cfg, NULL, ".pbcfg");\r
506 else fclose(f);\r
cc68a136 507 }\r
508\r
509 printf("emu_ReadConfig: %s ", cfg);\r
510 f = fopen(cfg, "rb");\r
511 if (f) {\r
512 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
513 fclose(f);\r
514 }\r
515 printf((bread == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r
516\r
517 PicoOpt = currentConfig.PicoOpt;\r
518 PsndRate = currentConfig.PsndRate;\r
519 PicoRegionOverride = currentConfig.PicoRegion;\r
51a902ae 520 PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;\r
0a051f55 521 PicoCDBuffers = currentConfig.PicoCDBuffers;\r
cc68a136 522 if (PicoOpt & 0x20) {\r
523 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
524 actionNames[10] = "X"; actionNames[11] = "MODE";\r
525 }\r
526 // some sanity checks\r
527 if (currentConfig.CPUclock < 1 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
528 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
529 // if volume keys are unbound, bind them to volume control\r
530 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
531 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
532 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
533 }\r
534\r
535 return (bread == sizeof(currentConfig));\r
536}\r
537\r
538\r
539int emu_WriteConfig(int game)\r
540{\r
541 FILE *f;\r
542 char cfg[512];\r
543 int bwrite = 0;\r
544\r
545 if (!game)\r
546 {\r
547 strncpy(cfg, PicoConfigFile, 511);\r
548 cfg[511] = 0;\r
549 } else {\r
7336a99a 550 romfname_ext(cfg, "cfg/", ".pbcfg");\r
cc68a136 551 }\r
552\r
553 printf("emu_WriteConfig: %s ", cfg);\r
554 f = fopen(cfg, "wb");\r
555 if (f) {\r
556 currentConfig.PicoOpt = PicoOpt;\r
557 currentConfig.PsndRate = PsndRate;\r
558 currentConfig.PicoRegion = PicoRegionOverride;\r
51a902ae 559 currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;\r
0a051f55 560 currentConfig.PicoCDBuffers = PicoCDBuffers;\r
cc68a136 561 bwrite = fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
562 fflush(f);\r
563 fclose(f);\r
564 sync();\r
565 }\r
566 printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r
567\r
568 return (bwrite == sizeof(currentConfig));\r
569}\r
570\r
571\r
572void emu_Deinit(void)\r
573{\r
574 // save SRAM\r
575 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
576 emu_SaveLoadGame(0, 1);\r
577 SRam.changed = 0;\r
578 }\r
579\r
580 if (!(currentConfig.EmuOpt & 0x20))\r
581 emu_WriteConfig(0);\r
582 free(framebuff);\r
583\r
584 PicoExit();\r
585// fclose(logf);\r
586\r
587 // restore gamma\r
588 if (gp2x_old_gamma != 100)\r
589 set_gamma(100);\r
590}\r
591\r
592\r
76276b0b 593void osd_text(int x, int y, const char *text)\r
cc68a136 594{\r
595 int len = strlen(text)*8;\r
596\r
597 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
bf098bc5 598 int *p, i, h;\r
cc68a136 599 x &= ~3; // align x\r
600 len = (len+3) >> 2;\r
601 for (h = 0; h < 8; h++) {\r
602 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
bf098bc5 603 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
cc68a136 604 }\r
bf098bc5 605 gp2x_text_out8_2(x, y, text, 0xf0);\r
cc68a136 606 } else {\r
607 int *p, i, h;\r
608 x &= ~1; // align x\r
609 len = (len+1) >> 1;\r
610 for (h = 0; h < 8; h++) {\r
611 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
612 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
613 }\r
614 gp2x_text_out15(x, y, text);\r
615 }\r
616}\r
617\r
bf098bc5 618static void cd_leds(void)\r
619{\r
b837b69b 620 // mmu problems?\r
621// static\r
622 int old_reg;\r
623// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r
bf098bc5 624 old_reg = Pico_mcd->s68k_regs[0];\r
625\r
626 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
627 // 8-bit modes\r
628 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
629 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
4f265db7 630 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
631 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
632 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
633 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
634 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
635 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
bf098bc5 636 } else {\r
637 // 16-bit modes\r
4f265db7 638 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
bf098bc5 639 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
640 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
4f265db7 641 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
642 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
643 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
bf098bc5 644 }\r
645}\r
646\r
cc68a136 647static int EmuScan16(unsigned int num, void *sdata)\r
648{\r
649 if (!(Pico.video.reg[1]&8)) num += 8;\r
650 DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r
651\r
652 return 0;\r
653}\r
654\r
655static int EmuScan8(unsigned int num, void *sdata)\r
656{\r
657 if (!(Pico.video.reg[1]&8)) num += 8;\r
658 DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r
659\r
660 return 0;\r
661}\r
662\r
e11c5548 663int localPal[0x100];\r
cc68a136 664static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
665\r
76276b0b 666static void blit(const char *fps, const char *notice)\r
cc68a136 667{\r
bf098bc5 668 int emu_opt = currentConfig.EmuOpt;\r
669\r
cc68a136 670 if (PicoOpt&0x10) {\r
671 // 8bit fast renderer\r
672 if (Pico.m.dirtyPal) {\r
673 Pico.m.dirtyPal = 0;\r
674 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
675 // feed new palette to our device\r
676 gp2x_video_setpalette(localPal, 0x40);\r
677 }\r
678 vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r
bf098bc5 679 } else if (!(emu_opt&0x80)) {\r
cc68a136 680 // 8bit accurate renderer\r
681 if (Pico.m.dirtyPal) {\r
682 Pico.m.dirtyPal = 0;\r
683 if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r
684 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
685 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
686 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
687 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r
bf098bc5 688 localPal[0xc0] = 0x0000c000;\r
689 localPal[0xd0] = 0x00c00000;\r
cc68a136 690 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
691 localPal[0xf0] = 0x00ffffff;\r
692 gp2x_video_setpalette(localPal, 0x100);\r
693 } else if (rendstatus & 0x20) { // mid-frame palette changes\r
694 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
695 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
696 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
697 gp2x_video_setpalette(localPal, 0xc0);\r
698 } else {\r
699 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
700 gp2x_video_setpalette(localPal, 0x40);\r
701 }\r
702 }\r
703 }\r
704\r
705 if (notice) osd_text(4, 232, notice);\r
bf098bc5 706 if (emu_opt & 2)\r
cc68a136 707 osd_text(osd_fps_x, 232, fps);\r
bf098bc5 708 if ((emu_opt & 0x400) && (PicoMCD & 1))\r
709 cd_leds();\r
cc68a136 710\r
711 //gp2x_video_wait_vsync();\r
712 gp2x_video_flip();\r
713\r
714 if (!(PicoOpt&0x10)) {\r
715 if (!(Pico.video.reg[1]&8)) {\r
716 if (currentConfig.EmuOpt&0x80) {\r
717 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
718 } else {\r
719 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r
720 }\r
721 } else {\r
722 DrawLineDest = gp2x_screen;\r
723 }\r
724 }\r
725}\r
726\r
727\r
728// clears whole screen or just the notice area (in all buffers)\r
729static void clearArea(int full)\r
730{\r
bf098bc5 731 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
732 // 8-bit renderers\r
733 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
734 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
735 } else {\r
cc68a136 736 // 16bit accurate renderer\r
737 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
738 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
cc68a136 739 }\r
740}\r
741\r
742\r
743static void vidResetMode(void)\r
744{\r
745 if (PicoOpt&0x10) {\r
cc68a136 746 gp2x_video_changemode(8);\r
cc68a136 747 } else if (currentConfig.EmuOpt&0x80) {\r
748 gp2x_video_changemode(15);\r
749 PicoDrawSetColorFormat(1);\r
750 PicoScan = EmuScan16;\r
751 PicoScan(0, 0);\r
752 } else {\r
bf098bc5 753 gp2x_video_changemode(8);\r
754 PicoDrawSetColorFormat(2);\r
755 PicoScan = EmuScan8;\r
756 PicoScan(0, 0);\r
757 }\r
758 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
759 // setup pal for 8-bit modes\r
760 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
761 localPal[0xd0] = 0x00c00000;\r
cc68a136 762 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
763 localPal[0xf0] = 0x00ffffff;\r
cc68a136 764 gp2x_video_setpalette(localPal, 0x100);\r
765 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
766 gp2x_video_flip();\r
cc68a136 767 }\r
768 Pico.m.dirtyPal = 1;\r
769 // reset scaling\r
770 gp2x_video_RGB_setscaling((PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
771}\r
772\r
773\r
fa1e5e29 774static void emu_state_cb(const char *str)\r
775{\r
776 clearArea(0);\r
777 blit("", str);\r
778}\r
779\r
cc68a136 780static void RunEvents(unsigned int which)\r
781{\r
782 if(which & 0x1800) { // save or load (but not both)\r
783 int do_it = 1;\r
860c6322 784 if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && emu_check_save_file(state_slot)) {\r
cc68a136 785 unsigned long keys;\r
786 blit("", "OVERWRITE SAVE? (Y=yes, X=no)");\r
787 while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
788 usleep(50*1024);\r
789 if (keys & GP2X_X) do_it = 0;\r
790 clearArea(0);\r
791 }\r
792 if (do_it) {\r
76276b0b 793 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
fa1e5e29 794 PicoStateProgressCB = emu_state_cb;\r
795 gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
76276b0b 796 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
fa1e5e29 797 PicoStateProgressCB = NULL;\r
cc68a136 798 }\r
799\r
800 reset_timing = 1;\r
801 }\r
802 if(which & 0x0400) { // switch renderer\r
803 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
804 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
805 else currentConfig.EmuOpt &= ~0x80;\r
806\r
807 vidResetMode();\r
808\r
809 if (PicoOpt&0x10) {\r
810 strcpy(noticeMsg, " 8bit fast renderer");\r
811 } else if (currentConfig.EmuOpt&0x80) {\r
812 strcpy(noticeMsg, "16bit accurate renderer");\r
813 } else {\r
814 strcpy(noticeMsg, " 8bit accurate renderer");\r
815 }\r
816\r
817 gettimeofday(&noticeMsgTime, 0);\r
818 }\r
819 if(which & 0x0300) {\r
820 if(which&0x0200) {\r
821 state_slot -= 1;\r
822 if(state_slot < 0) state_slot = 9;\r
823 } else {\r
824 state_slot += 1;\r
825 if(state_slot > 9) state_slot = 0;\r
826 }\r
860c6322 827 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE");\r
cc68a136 828 gettimeofday(&noticeMsgTime, 0);\r
829 }\r
830 if(which & 0x0080) {\r
831 engineState = PGS_Menu;\r
832 }\r
833}\r
834\r
835\r
8c1952f0 836static void updateMovie(void)\r
837{\r
838 int offs = Pico.m.frame_count*3 + 0x40;\r
839 if (offs+3 > movie_size) {\r
840 free(movie_data);\r
841 movie_data = 0;\r
842 strcpy(noticeMsg, "END OF MOVIE.");\r
843 printf("END OF MOVIE.\n");\r
844 gettimeofday(&noticeMsgTime, 0);\r
845 } else {\r
846 // MXYZ SACB RLDU\r
847 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
848 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
849 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
850 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
851 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
852 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
853 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
854 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
855 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
856 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
857 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
858 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
859 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
860 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
861 }\r
862}\r
863\r
864\r
cc68a136 865static void updateKeys(void)\r
866{\r
867 unsigned long keys, allActions[2] = { 0, 0 }, events;\r
868 static unsigned long prevEvents = 0;\r
869 int joy, i;\r
870\r
871 keys = gp2x_joystick_read(0);\r
872 if (keys & GP2X_SELECT) {\r
873 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
874 // wait until select is released, so menu would not resume game\r
875 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
876 }\r
877\r
878 keys &= CONFIGURABLE_KEYS;\r
879\r
880 for (i = 0; i < 32; i++)\r
881 {\r
882 if (keys & (1 << i)) {\r
883 int pl, acts = currentConfig.KeyBinds[i];\r
884 if (!acts) continue;\r
885 pl = (acts >> 16) & 1;\r
886 if (combo_keys & (1 << i)) {\r
887 int u = i+1, acts_c = acts & combo_acts;\r
888 // let's try to find the other one\r
889 if (acts_c)\r
890 for (; u < 32; u++)\r
891 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r
892 allActions[pl] |= acts_c;\r
893 keys &= ~((1 << i) | (1 << u));\r
894 break;\r
895 }\r
896 // add non-combo actions if combo ones were not found\r
897 if (!acts_c || u == 32)\r
898 allActions[pl] |= acts & ~combo_acts;\r
899 } else {\r
900 allActions[pl] |= acts;\r
901 }\r
902 }\r
903 }\r
904\r
905 // add joy inputs\r
906 if (num_of_joys > 0)\r
907 {\r
908 gp2x_usbjoy_update();\r
909 for (joy = 0; joy < num_of_joys; joy++) {\r
910 int keys = gp2x_usbjoy_check2(joy);\r
911 for (i = 0; i < 32; i++) {\r
912 if (keys & (1 << i)) {\r
913 int acts = currentConfig.JoyBinds[joy][i];\r
914 int pl = (acts >> 16) & 1;\r
915 allActions[pl] |= acts;\r
916 }\r
917 }\r
918 }\r
919 }\r
920\r
8c1952f0 921 PicoPad[0] = (unsigned short) allActions[0];\r
922 PicoPad[1] = (unsigned short) allActions[1];\r
cc68a136 923\r
924 events = (allActions[0] | allActions[1]) >> 16;\r
925\r
926 // volume is treated in special way and triggered every frame\r
927 if(events & 0x6000) {\r
928 int vol = currentConfig.volume;\r
929 if (events & 0x2000) {\r
930 if (vol < 90) vol++;\r
931 } else {\r
932 if (vol > 0) vol--;\r
933 }\r
934 gp2x_sound_volume(vol, vol);\r
935 sprintf(noticeMsg, "VOL: %02i", vol);\r
936 gettimeofday(&noticeMsgTime, 0);\r
937 currentConfig.volume = vol;\r
938 }\r
939\r
940 events &= ~prevEvents;\r
941 if (events) RunEvents(events);\r
8c1952f0 942 if (movie_data) updateMovie();\r
cc68a136 943\r
944 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
945}\r
946\r
cc68a136 947\r
7a93adeb 948static void updateSound(int len)\r
cc68a136 949{\r
7a93adeb 950 if (PicoOpt&8) len<<=1;\r
cc68a136 951\r
952 gp2x_sound_write(PsndOut, len<<1);\r
953}\r
954\r
955\r
956static void SkipFrame(int do_sound)\r
957{\r
958 void *sndbuff_tmp = 0;\r
959 if (PsndOut && !do_sound) {\r
960 sndbuff_tmp = PsndOut;\r
961 PsndOut = 0;\r
962 }\r
963\r
964 PicoSkipFrame=1;\r
965 PicoFrame();\r
966 PicoSkipFrame=0;\r
967\r
968 if (sndbuff_tmp && !do_sound) {\r
969 PsndOut = sndbuff_tmp;\r
970 }\r
971}\r
972\r
973\r
860c6322 974void emu_forced_frame(void)\r
975{\r
976 int po_old = PicoOpt;\r
977\r
978 PicoOpt |= 0x10;\r
979 PicoFrameFull();\r
980 PicoOpt = po_old;\r
981\r
982 if (!(Pico.video.reg[12]&1)) {\r
68cba51e 983 vidCpyM2 = vidCpyM2_32col;\r
860c6322 984 clearArea(1);\r
68cba51e 985 } else vidCpyM2 = vidCpyM2_40col;\r
860c6322 986\r
987 vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r
988 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
989 gp2x_video_setpalette(localPal, 0x40);\r
990}\r
991\r
cc68a136 992static void simpleWait(int thissec, int lim_time)\r
993{\r
994 struct timeval tval;\r
995\r
996 spend_cycles(1024);\r
997 gettimeofday(&tval, 0);\r
998 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
999\r
1000 while(tval.tv_usec < lim_time)\r
1001 {\r
1002 spend_cycles(1024);\r
1003 gettimeofday(&tval, 0);\r
1004 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1005 }\r
1006}\r
1007\r
1008\r
1009void emu_Loop(void)\r
1010{\r
1011 static int gp2x_old_clock = 200;\r
1012 static int PsndRate_old = 0, PicoOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r
1013 char fpsbuff[24]; // fps count c string\r
1014 struct timeval tval; // timing\r
1015 int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r
1016 int target_fps, target_frametime, lim_time, i;\r
1017 char *notice = 0;\r
1018\r
1019 printf("entered emu_Loop()\n");\r
1020\r
1021 if (gp2x_old_clock != currentConfig.CPUclock) {\r
1022 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
1023 set_FCLK(currentConfig.CPUclock);\r
1024 gp2x_old_clock = currentConfig.CPUclock;\r
1025 printf(" done\n");\r
1026 }\r
1027\r
1028 if (gp2x_old_gamma != currentConfig.gamma) {\r
1029 set_gamma(currentConfig.gamma);\r
1030 gp2x_old_gamma = currentConfig.gamma;\r
1031 printf("updated gamma to %i\n", currentConfig.gamma);\r
1032 }\r
1033\r
1034 fpsbuff[0] = 0;\r
1035\r
1036 // make sure we are in correct mode\r
1037 vidResetMode();\r
e11c5548 1038 Pico.m.dirtyPal = 1;\r
cc68a136 1039 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
1040 find_combos();\r
1041\r
1042 // pal/ntsc might have changed, reset related stuff\r
1043 target_fps = Pico.m.pal ? 50 : 60;\r
1044 target_frametime = 1000000/target_fps;\r
1045 reset_timing = 1;\r
1046\r
1047 // prepare sound stuff\r
1048 if(currentConfig.EmuOpt & 4) {\r
7a93adeb 1049 int snd_excess_add;\r
cc68a136 1050 if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r
1051 /* if 940 is turned off, we need it to be put back to sleep */\r
1052 if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r
b837b69b 1053 Reset940(1, 2);\r
cc68a136 1054 Pause940(1);\r
1055 }\r
7a93adeb 1056 sound_rerate(1);\r
cc68a136 1057 }\r
1058 //excess_samples = PsndRate - PsndLen*target_fps;\r
cc68a136 1059 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
1060 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
1061 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
1062 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
1063 PicoWriteSound = updateSound;\r
7a93adeb 1064 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1065 PsndOut = sndBuffer;\r
cc68a136 1066 PsndRate_old = PsndRate;\r
1067 PsndLen_real = PsndLen;\r
1068 PicoOpt_old = PicoOpt;\r
1069 pal_old = Pico.m.pal;\r
1070 } else {\r
1071 PsndOut = 0;\r
1072 }\r
1073\r
0a051f55 1074 // prepare CD buffer\r
1075 if (PicoMCD & 1) PicoCDBufferInit();\r
1076\r
cc68a136 1077 // loop?\r
1078 while (engineState == PGS_Running)\r
1079 {\r
1080 int modes;\r
1081\r
1082 gettimeofday(&tval, 0);\r
1083 if(reset_timing) {\r
1084 reset_timing = 0;\r
1085 thissec = tval.tv_sec;\r
1086 frames_shown = frames_done = tval.tv_usec/target_frametime;\r
1087 }\r
1088\r
1089 // show notice message?\r
1090 if(noticeMsgTime.tv_sec) {\r
1091 static int noticeMsgSum;\r
1092 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
1093 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
1094 clearArea(0);\r
1095 notice = 0;\r
1096 } else {\r
1097 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
1098 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
1099 notice = noticeMsg;\r
1100 }\r
1101 }\r
1102\r
1103 // check for mode changes\r
1104 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
1105 if (modes != oldmodes) {\r
1106 int scalex = 320;\r
1107 osd_fps_x = OSD_FPS_X;\r
1108 if (modes & 4) {\r
1109 vidCpyM2 = vidCpyM2_40col;\r
1110 } else {\r
1111 if (PicoOpt & 0x100) {\r
1112 vidCpyM2 = vidCpyM2_32col_nobord;\r
1113 scalex = 256;\r
1114 osd_fps_x = OSD_FPS_X - 64;\r
1115 } else {\r
1116 vidCpyM2 = vidCpyM2_32col;\r
1117 }\r
1118 }\r
1119 gp2x_video_RGB_setscaling(scalex, 240);\r
1120 oldmodes = modes;\r
1121 clearArea(1);\r
1122 }\r
1123\r
1124 // second changed?\r
1125 if(thissec != tval.tv_sec) {\r
1126#ifdef BENCHMARK\r
1127 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1128 if(++bench == 10) {\r
1129 bench = 0;\r
1130 bench_fps_s = bench_fps;\r
1131 bf[bfp++ & 3] = bench_fps;\r
1132 bench_fps = 0;\r
1133 }\r
1134 bench_fps += frames_shown;\r
1135 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
1136#else\r
1137 if(currentConfig.EmuOpt & 2)\r
1138 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1139#endif\r
1140 thissec = tval.tv_sec;\r
1141\r
1142 if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
1143 frames_done = frames_shown = 0;\r
1144 } else {\r
1145 // it is quite common for this implementation to leave 1 fame unfinished\r
1146 // when second changes, but we don't want buffer to starve.\r
1147 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r
1148 updateKeys();\r
1149 SkipFrame(1); frames_done++;\r
1150 }\r
1151\r
1152 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r
1153 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r
1154 if (frames_shown > frames_done) frames_shown = frames_done;\r
1155 }\r
1156 }\r
1157\r
1158 lim_time = (frames_done+1) * target_frametime;\r
1159 if(currentConfig.Frameskip >= 0) { // frameskip enabled\r
1160 for(i = 0; i < currentConfig.Frameskip; i++) {\r
1161 updateKeys();\r
1162 SkipFrame(1); frames_done++;\r
1163 if (PsndOut) { // do framelimitting if sound is enabled\r
1164 gettimeofday(&tval, 0);\r
1165 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1166 if(tval.tv_usec < lim_time) { // we are too fast\r
1167 simpleWait(thissec, lim_time);\r
1168 }\r
1169 }\r
1170 lim_time += target_frametime;\r
1171 }\r
1172 } else if(tval.tv_usec > lim_time) { // auto frameskip\r
1173 // no time left for this frame - skip\r
1174 updateKeys();\r
1175 SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;\r
1176 continue;\r
1177 }\r
1178\r
1179 updateKeys();\r
1180 PicoFrame();\r
1181\r
312e9ce1 1182#if 0\r
1183if (Pico.m.frame_count == 31563) {\r
1184 FILE *f;\r
1185 f = fopen("ram_p.bin", "wb");\r
1186 if (!f) { printf("!f\n"); exit(1); }\r
1187 fwrite(Pico.ram, 1, 0x10000, f);\r
1188 fclose(f);\r
1189 exit(0);\r
1190}\r
1191#endif\r
4f672280 1192#if 0\r
1193 // debug\r
1194 {\r
312e9ce1 1195 #define BYTE unsigned char\r
1196 #define WORD unsigned short\r
1197 struct\r
1198 {\r
1199 BYTE IDLength; /* 00h Size of Image ID field */\r
1200 BYTE ColorMapType; /* 01h Color map type */\r
1201 BYTE ImageType; /* 02h Image type code */\r
1202 WORD CMapStart; /* 03h Color map origin */\r
1203 WORD CMapLength; /* 05h Color map length */\r
1204 BYTE CMapDepth; /* 07h Depth of color map entries */\r
1205 WORD XOffset; /* 08h X origin of image */\r
1206 WORD YOffset; /* 0Ah Y origin of image */\r
1207 WORD Width; /* 0Ch Width of image */\r
1208 WORD Height; /* 0Eh Height of image */\r
1209 BYTE PixelDepth; /* 10h Image pixel size */\r
1210 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
1211 } __attribute__((packed)) TGAHEAD;\r
1212 static unsigned short oldscr[320*240];\r
4f672280 1213 FILE *f; char name[128]; int i;\r
312e9ce1 1214\r
1215 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
1216 TGAHEAD.ImageType = 2;\r
1217 TGAHEAD.Width = 320;\r
1218 TGAHEAD.Height = 240;\r
1219 TGAHEAD.PixelDepth = 16;\r
1220 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
1221\r
1222 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
1223\r
1224 for (i = 0; i < 320*240; i++)\r
1225 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
1226 if (i < 320*240)\r
4f672280 1227 {\r
312e9ce1 1228 for (i = 0; i < 320*240; i++)\r
1229 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
1230 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
4f672280 1231 f = fopen(name, "wb");\r
1232 if (!f) { printf("!f\n"); exit(1); }\r
312e9ce1 1233 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
1234 fwrite(oldscr, 1, 320*240*2, f);\r
4f672280 1235 fclose(f);\r
1236 }\r
1237 }\r
1238#endif\r
1239\r
cc68a136 1240 // check time\r
1241 gettimeofday(&tval, 0);\r
1242 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1243\r
1244 // sleep if we are still too fast\r
1245 if(PsndOut != 0 || currentConfig.Frameskip < 0)\r
1246 {\r
1247 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
1248 gettimeofday(&tval, 0);\r
1249 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1250 if(tval.tv_usec < lim_time)\r
1251 {\r
1252 // we are too fast\r
1253 simpleWait(thissec, lim_time);\r
1254 }\r
1255 }\r
1256\r
1257 blit(fpsbuff, notice);\r
1258\r
1259 frames_done++; frames_shown++;\r
1260 }\r
1261\r
0a051f55 1262\r
1263 if (PicoMCD & 1) PicoCDBufferFree();\r
1264\r
cc68a136 1265 // save SRAM\r
1266 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
76276b0b 1267 osd_text(4, 232, "Writing SRAM/BRAM..");\r
cc68a136 1268 emu_SaveLoadGame(0, 1);\r
1269 SRam.changed = 0;\r
1270 }\r
e11c5548 1271\r
1272 // if in 16bit mode, generate 8it image for menu background\r
860c6322 1273 if (!(PicoOpt&0x10) && (currentConfig.EmuOpt&0x80))\r
1274 emu_forced_frame();\r
76276b0b 1275\r
1276 // for menu bg\r
860c6322 1277 gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
cc68a136 1278}\r
1279\r
1280\r
1281void emu_ResetGame(void)\r
1282{\r
1283 PicoReset(0);\r
1284 reset_timing = 1;\r
1285}\r
1286\r
1287\r
1288size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
1289{\r
1290 return gzread(file, p, _n);\r
1291}\r
1292\r
1293\r
1294size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
1295{\r
1296 return gzwrite(file, p, _n);\r
1297}\r
1298\r
860c6322 1299static int try_ropen_file(const char *fname)\r
1300{\r
1301 FILE *f;\r
1302\r
1303 f = fopen(fname, "rb");\r
1304 if (f) {\r
1305 fclose(f);\r
1306 return 1;\r
1307 }\r
1308 return 0;\r
1309}\r
1310\r
1311char *emu_GetSaveFName(int load, int is_sram, int slot)\r
1312{\r
1313 static char saveFname[512];\r
1314 char ext[16];\r
1315\r
1316 if (is_sram)\r
1317 {\r
1318 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");\r
1319 if (load) {\r
1320 if (try_ropen_file(saveFname)) return saveFname;\r
1321 // try in current dir..\r
1322 romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");\r
1323 if (try_ropen_file(saveFname)) return saveFname;\r
1324 return NULL; // give up\r
1325 }\r
1326 }\r
1327 else\r
1328 {\r
1329 ext[0] = 0;\r
1330 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1331 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
1332\r
1333 romfname_ext(saveFname, "mds/", ext);\r
1334 if (load) {\r
1335 if (try_ropen_file(saveFname)) return saveFname;\r
1336 romfname_ext(saveFname, NULL, ext);\r
1337 if (try_ropen_file(saveFname)) return saveFname;\r
1338 if (currentConfig.EmuOpt & 8) {\r
1339 ext[0] = 0;\r
1340 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1341 strcat(ext, ".mds");\r
1342\r
1343 romfname_ext(saveFname, "mds/", ext);\r
1344 if (try_ropen_file(saveFname)) return saveFname;\r
1345 romfname_ext(saveFname, NULL, ext);\r
1346 if (try_ropen_file(saveFname)) return saveFname;\r
1347 }\r
1348 return NULL;\r
1349 }\r
1350 }\r
1351\r
1352 return saveFname;\r
1353}\r
1354\r
1355int emu_check_save_file(int slot)\r
1356{\r
1357 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
1358}\r
1359\r
1360void emu_set_save_cbs(int gz)\r
1361{\r
1362 if (gz) {\r
1363 areaRead = gzRead2;\r
1364 areaWrite = gzWrite2;\r
1365 areaEof = (areaeof *) gzeof;\r
1366 areaSeek = (areaseek *) gzseek;\r
1367 areaClose = (areaclose *) gzclose;\r
1368 } else {\r
1369 areaRead = (arearw *) fread;\r
1370 areaWrite = (arearw *) fwrite;\r
1371 areaEof = (areaeof *) feof;\r
1372 areaSeek = (areaseek *) fseek;\r
1373 areaClose = (areaclose *) fclose;\r
1374 }\r
1375}\r
cc68a136 1376\r
1377int emu_SaveLoadGame(int load, int sram)\r
1378{\r
1379 int ret = 0;\r
860c6322 1380 char *saveFname;\r
cc68a136 1381\r
1382 // make save filename\r
860c6322 1383 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
1384 if (saveFname == NULL) {\r
68cba51e 1385 if (!sram) {\r
1386 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
1387 gettimeofday(&noticeMsgTime, 0);\r
1388 }\r
860c6322 1389 return -1;\r
cc68a136 1390 }\r
1391\r
1392 printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
1393\r
1394 if(sram) {\r
1395 FILE *sramFile;\r
ab0607f7 1396 int sram_size;\r
1397 unsigned char *sram_data;\r
1398 if (PicoMCD&1) {\r
1399 sram_size = 0x2000;\r
1400 sram_data = Pico_mcd->bram;\r
1401 } else {\r
1402 sram_size = SRam.end-SRam.start+1;\r
1403 if(SRam.reg_back & 4) sram_size=0x2000;\r
1404 sram_data = SRam.data;\r
1405 }\r
1406 if(!sram_data) return 0; // SRam forcefully disabled for this game\r
1407\r
cc68a136 1408 if(load) {\r
1409 sramFile = fopen(saveFname, "rb");\r
1410 if(!sramFile) return -1;\r
ab0607f7 1411 fread(sram_data, 1, sram_size, sramFile);\r
cc68a136 1412 fclose(sramFile);\r
1413 } else {\r
1414 // sram save needs some special processing\r
1415 // see if we have anything to save\r
1416 for(; sram_size > 0; sram_size--)\r
ab0607f7 1417 if(sram_data[sram_size-1]) break;\r
cc68a136 1418\r
1419 if(sram_size) {\r
1420 sramFile = fopen(saveFname, "wb");\r
ab0607f7 1421 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
cc68a136 1422 ret = (ret != sram_size) ? -1 : 0;\r
1423 fclose(sramFile);\r
1424 sync();\r
1425 }\r
1426 }\r
1427 return ret;\r
ab0607f7 1428 }\r
1429 else\r
1430 {\r
cc68a136 1431 void *PmovFile = NULL;\r
860c6322 1432 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) {\r
cc68a136 1433 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
860c6322 1434 emu_set_save_cbs(1);\r
cc68a136 1435 if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
860c6322 1436 }\r
cc68a136 1437 }\r
860c6322 1438 else\r
1439 {\r
cc68a136 1440 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
860c6322 1441 emu_set_save_cbs(0);\r
cc68a136 1442 }\r
1443 }\r
1444 if(PmovFile) {\r
75736070 1445 ret = PmovState(load ? 6 : 5, PmovFile);\r
860c6322 1446 areaClose(PmovFile);\r
cc68a136 1447 PmovFile = 0;\r
1448 if (!load) sync();\r
1449 else Pico.m.dirtyPal=1;\r
75736070 1450 }\r
1451 else ret = -1;\r
1452 if (!ret)\r
1453 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
1454 else\r
1455 {\r
cc68a136 1456 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
1457 ret = -1;\r
1458 }\r
1459\r
1460 gettimeofday(&noticeMsgTime, 0);\r
1461 return ret;\r
1462 }\r
1463}\r
fast MegaDrive/MegaCD/32X emulator