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[libpicofe.git] / gp2x / emu.c
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6ab2f79c 1// (c) Copyright 2006-2007 notaz, All rights reserved.\r
720ee7f6 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
4ffd2858 9#include <sys/stat.h>\r
10#include <sys/types.h>\r
720ee7f6 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
c7a4ff64 21#include "../common/arm_utils.h"\r
22#include "../common/fonts.h"\r
720ee7f6 23#include "cpuctrl.h"\r
24\r
70d2ecc5 25#include <Pico/PicoInt.h>\r
26#include <Pico/Patch.h>\r
27#include <zlib/zlib.h>\r
720ee7f6 28\r
4327ec37 29//#define PFRAMES\r
720ee7f6 30\r
31#ifdef BENCHMARK\r
32#define OSD_FPS_X 220\r
33#else\r
34#define OSD_FPS_X 260\r
35#endif\r
36\r
720ee7f6 37\r
38int engineState;\r
39int select_exits = 0;\r
40char *PicoConfigFile = "picoconfig.bin";\r
41currentConfig_t currentConfig;\r
42\r
43char romFileName[PATH_MAX];\r
44unsigned char *rom_data = NULL;\r
45\r
46extern int crashed_940;\r
47\r
3ef975c9 48static short sndBuffer[2*44100/50];\r
720ee7f6 49static char noticeMsg[64]; // notice msg to draw\r
50static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
8f1b51ef 51static int osd_fps_x;\r
720ee7f6 52static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos\r
53static int gp2x_old_gamma = 100;\r
54static unsigned char *movie_data = NULL;\r
55static int movie_size = 0;\r
c7a4ff64 56unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
720ee7f6 57int state_slot = 0;\r
8f1b51ef 58int reset_timing = 0;\r
59633198 59int config_slot = 0, config_slot_current = 0;\r
720ee7f6 60\r
720ee7f6 61\r
720ee7f6 62// utilities\r
63static void strlwr(char* string)\r
64{\r
65 while ( (*string++ = (char)tolower(*string)) );\r
66}\r
67\r
5111820c 68static int try_rfn_cut(void)\r
720ee7f6 69{\r
70 FILE *tmp;\r
71 char *p;\r
72\r
5111820c 73 p = romFileName + strlen(romFileName) - 1;\r
74 for (; p > romFileName; p--)\r
75 if (*p == '.') break;\r
76 *p = 0;\r
720ee7f6 77\r
78 if((tmp = fopen(romFileName, "rb"))) {\r
79 fclose(tmp);\r
80 return 1;\r
81 }\r
82 return 0;\r
83}\r
84\r
daf91588 85static void get_ext(char *file, char *ext)\r
25fced50 86{\r
87 char *p;\r
88\r
daf91588 89 p = file + strlen(file) - 4;\r
90 if (p < file) p = file;\r
25fced50 91 strncpy(ext, p, 4);\r
92 ext[4] = 0;\r
93 strlwr(ext);\r
94}\r
95\r
daf91588 96char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r
97char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };\r
98char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
99\r
100extern char **g_argv;\r
101\r
102int find_bios(int region, char **bios_file)\r
103{\r
104 static char bios_path[1024];\r
105 int i, j, count;\r
106 char **files;\r
107 FILE *f = NULL;\r
108\r
109 if (region == 4) { // US\r
110 files = biosfiles_us;\r
111 count = sizeof(biosfiles_us) / sizeof(char *);\r
112 } else if (region == 8) { // EU\r
113 files = biosfiles_eu;\r
114 count = sizeof(biosfiles_eu) / sizeof(char *);\r
115 } else if (region == 1 || region == 2) {\r
116 files = biosfiles_jp;\r
117 count = sizeof(biosfiles_jp) / sizeof(char *);\r
118 } else {\r
119 return 0;\r
120 }\r
121\r
122 for (i = 0; i < count; i++)\r
123 {\r
124 strncpy(bios_path, g_argv[0], 1023);\r
125 bios_path[1024-32] = 0;\r
126 for (j = strlen(bios_path); j > 0; j--)\r
127 if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }\r
128 strcat(bios_path, files[i]);\r
129 strcat(bios_path, ".bin");\r
130 f = fopen(bios_path, "rb");\r
131 if (f) break;\r
132\r
133 bios_path[strlen(bios_path) - 4] = 0;\r
134 strcat(bios_path, ".zip");\r
135 f = fopen(bios_path, "rb");\r
136 if (f) break;\r
137 }\r
138\r
139 if (f) {\r
140 printf("using bios: %s\n", bios_path);\r
141 fclose(f);\r
142 if (bios_file) *bios_file = bios_path;\r
143 return 1;\r
144 } else {\r
145 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
146 region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
147 printf("%s\n", menuErrorMsg);\r
148 return 0;\r
149 }\r
150}\r
151\r
152/* checks if romFileName points to valid MegaCD image\r
153 * if so, checks for suitable BIOS */\r
0ad6c561 154int emu_cd_check(int *pregion)\r
daf91588 155{\r
156 unsigned char buf[32];\r
af6e9c49 157 pm_file *cd_f;\r
daf91588 158 int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
159\r
af6e9c49 160 cd_f = pm_open(romFileName);\r
daf91588 161 if (!cd_f) return 0; // let the upper level handle this\r
162\r
af6e9c49 163 if (pm_read(buf, 32, cd_f) != 32) {\r
164 pm_close(cd_f);\r
daf91588 165 return 0;\r
166 }\r
167\r
168 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r
169 if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r
170 if (type == 0) {\r
af6e9c49 171 pm_close(cd_f);\r
daf91588 172 return 0;\r
173 }\r
174\r
5e2e14f2 175 /* it seems we have a CD image here. Try to detect region now.. */\r
af6e9c49 176 pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
177 pm_read(buf, 1, cd_f);\r
178 pm_close(cd_f);\r
daf91588 179\r
598e7c06 180 if (buf[0] == 0x64) region = 8; // EU\r
daf91588 181 if (buf[0] == 0xa1) region = 1; // JAP\r
182\r
183 printf("detected %s Sega/Mega CD image with %s region\n",\r
184 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
185\r
0ad6c561 186 if (pregion != NULL) *pregion = region;\r
5e2e14f2 187\r
0ad6c561 188 return type;\r
daf91588 189}\r
190\r
720ee7f6 191int emu_ReloadRom(void)\r
192{\r
193 unsigned int rom_size = 0;\r
daf91588 194 char *used_rom_name = romFileName;\r
25fced50 195 char ext[5];\r
af6e9c49 196 pm_file *rom;\r
0ad6c561 197 int ret, cd_state, cd_region, cfg_loaded = 0;\r
720ee7f6 198\r
199 printf("emu_ReloadRom(%s)\n", romFileName);\r
200\r
daf91588 201 get_ext(romFileName, ext);\r
720ee7f6 202\r
daf91588 203 // detect wrong extensions\r
720ee7f6 204 if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
205 sprintf(menuErrorMsg, "Not a ROM selected.");\r
206 return 0;\r
207 }\r
208\r
70d2ecc5 209 PicoPatchUnload();\r
210\r
720ee7f6 211 // check for movie file\r
212 if(movie_data) {\r
213 free(movie_data);\r
214 movie_data = 0;\r
215 }\r
216 if(!strcmp(ext, ".gmv")) {\r
217 // check for both gmv and rom\r
218 int dummy;\r
219 FILE *movie_file = fopen(romFileName, "rb");\r
220 if(!movie_file) {\r
221 sprintf(menuErrorMsg, "Failed to open movie.");\r
222 return 0;\r
223 }\r
224 fseek(movie_file, 0, SEEK_END);\r
225 movie_size = ftell(movie_file);\r
226 fseek(movie_file, 0, SEEK_SET);\r
227 if(movie_size < 64+3) {\r
228 sprintf(menuErrorMsg, "Invalid GMV file.");\r
229 fclose(movie_file);\r
230 return 0;\r
231 }\r
232 movie_data = malloc(movie_size);\r
233 if(movie_data == NULL) {\r
234 sprintf(menuErrorMsg, "low memory.");\r
235 fclose(movie_file);\r
236 return 0;\r
237 }\r
238 fread(movie_data, 1, movie_size, movie_file);\r
239 fclose(movie_file);\r
240 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
241 sprintf(menuErrorMsg, "Invalid GMV file.");\r
242 return 0;\r
243 }\r
5111820c 244 dummy = try_rfn_cut() || try_rfn_cut();\r
720ee7f6 245 if (!dummy) {\r
246 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
247 return 0;\r
248 }\r
daf91588 249 get_ext(romFileName, ext);\r
720ee7f6 250 }\r
70d2ecc5 251 else if (!strcmp(ext, ".pat")) {\r
252 int dummy;\r
253 PicoPatchLoad(romFileName);\r
254 dummy = try_rfn_cut() || try_rfn_cut();\r
255 if (!dummy) {\r
256 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
257 return 0;\r
258 }\r
259 get_ext(romFileName, ext);\r
260 }\r
720ee7f6 261\r
46ede6a6 262 if ((PicoMCD & 1) && Pico_mcd != NULL)\r
263 Stop_CD();\r
264\r
daf91588 265 // check for MegaCD image\r
0ad6c561 266 cd_state = emu_cd_check(&cd_region);\r
267 if (cd_state > 0)\r
268 {\r
269 // valid CD image, check for BIOS..\r
270\r
271 // we need to have config loaded at this point\r
272 ret = emu_ReadConfig(1, 1);\r
273 if (!ret) emu_ReadConfig(0, 1);\r
274 cfg_loaded = 1;\r
275\r
276 if (PicoRegionOverride) {\r
277 cd_region = PicoRegionOverride;\r
278 printf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");\r
279 }\r
280 if (!find_bios(cd_region, &used_rom_name)) {\r
281 // bios_help() ?\r
282 return 0;\r
283 }\r
284\r
daf91588 285 PicoMCD |= 1;\r
286 get_ext(used_rom_name, ext);\r
0ad6c561 287 }\r
288 else\r
289 {\r
90014ab4 290 if (PicoMCD & 1) Stop_CD();\r
daf91588 291 PicoMCD &= ~1;\r
292 }\r
293\r
af6e9c49 294 rom = pm_open(used_rom_name);\r
720ee7f6 295 if(!rom) {\r
296 sprintf(menuErrorMsg, "Failed to open rom.");\r
297 return 0;\r
298 }\r
299\r
b9f8cb3d 300 menu_romload_prepare(used_rom_name);\r
301\r
720ee7f6 302 if(rom_data) {\r
303 free(rom_data);\r
304 rom_data = 0;\r
305 rom_size = 0;\r
306 }\r
307\r
af6e9c49 308 if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
309 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
310 printf("%s\n", menuErrorMsg);\r
311 pm_close(rom);\r
b9f8cb3d 312 menu_romload_end();\r
af6e9c49 313 return 0;\r
720ee7f6 314 }\r
af6e9c49 315 pm_close(rom);\r
b9f8cb3d 316 menu_romload_end();\r
720ee7f6 317\r
318 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
319 if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
6ab2f79c 320 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
720ee7f6 321 if (rom_data) free(rom_data);\r
322 rom_data = 0;\r
323 sprintf(menuErrorMsg, "Not a ROM selected.");\r
324 return 0;\r
325 }\r
326\r
daf91588 327 // load config for this ROM (do this before insert to get correct region)\r
0ad6c561 328 if (!cfg_loaded) {\r
329 ret = emu_ReadConfig(1, 1);\r
330 if (!ret) emu_ReadConfig(0, 1);\r
331 }\r
daf91588 332\r
720ee7f6 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
daf91588 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
720ee7f6 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
70d2ecc5 355 if (PicoPatches) {\r
356 PicoPatchPrepare();\r
357 PicoPatchApply();\r
358 }\r
359\r
720ee7f6 360 // additional movie stuff\r
4327ec37 361 if (movie_data) {\r
720ee7f6 362 if(movie_data[0x14] == '6')\r
363 PicoOpt |= 0x20; // 6 button pad\r
364 else PicoOpt &= ~0x20;\r
4327ec37 365 PicoOpt |= 0x10040; // accurate timing, no VDP fifo timing\r
720ee7f6 366 if(movie_data[0xF] >= 'A') {\r
1a20dbc8 367 if(movie_data[0x16] & 0x80) {\r
368 PicoRegionOverride = 8;\r
369 } else {\r
370 PicoRegionOverride = 4;\r
371 }\r
372 PicoReset(0);\r
720ee7f6 373 // TODO: bits 6 & 5\r
374 }\r
1a20dbc8 375 movie_data[0x18+30] = 0;\r
376 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
720ee7f6 377 }\r
378 else\r
379 {\r
4327ec37 380 PicoOpt &= ~0x10000;\r
720ee7f6 381 if(Pico.m.pal) {\r
382 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
383 } else {\r
384 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
385 }\r
386 }\r
387 gettimeofday(&noticeMsgTime, 0);\r
49fe50f0 388\r
720ee7f6 389 // load SRAM for this ROM\r
390 if(currentConfig.EmuOpt & 1)\r
391 emu_SaveLoadGame(1, 1);\r
392\r
720ee7f6 393 return 1;\r
394}\r
395\r
396\r
dfa4c846 397static void emu_msg_cb(const char *msg);\r
5e2e14f2 398static void emu_msg_tray_open(void);\r
dfa4c846 399\r
720ee7f6 400void emu_Init(void)\r
401{\r
402 // make temp buffer for alt renderer\r
c7a4ff64 403 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
404 if (!PicoDraw2FB)\r
720ee7f6 405 {\r
c7a4ff64 406 printf("PicoDraw2FB == 0\n");\r
720ee7f6 407 }\r
408\r
4ffd2858 409 // make dirs for saves, cfgs, etc.\r
410 mkdir("mds", 0777);\r
411 mkdir("srm", 0777);\r
412 mkdir("brm", 0777);\r
413 mkdir("cfg", 0777);\r
414\r
720ee7f6 415 PicoInit();\r
dfa4c846 416 PicoMessage = emu_msg_cb;\r
5e2e14f2 417 PicoMCDopenTray = emu_msg_tray_open;\r
418 PicoMCDcloseTray = menu_loop_tray;\r
720ee7f6 419}\r
420\r
421\r
4ffd2858 422static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
720ee7f6 423{\r
424 char *p;\r
4ffd2858 425 int prefix_len = 0;\r
720ee7f6 426\r
427 // make save filename\r
428 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
4ffd2858 429 *dst = 0;\r
430 if (prefix) {\r
431 strcpy(dst, prefix);\r
432 prefix_len = strlen(prefix);\r
433 }\r
434 strncpy(dst + prefix_len, p, 511-prefix_len);\r
720ee7f6 435 dst[511-8] = 0;\r
4ffd2858 436 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
437 if (ext) strcat(dst, ext);\r
720ee7f6 438}\r
439\r
440\r
441static void find_combos(void)\r
442{\r
443 int act, u;\r
444\r
445 // find out which keys and actions are combos\r
446 combo_keys = combo_acts = 0;\r
447 for (act = 0; act < 32; act++)\r
448 {\r
449 int keyc = 0;\r
450 if (act == 16) continue; // player2 flag\r
451 for (u = 0; u < 32; u++)\r
452 {\r
453 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
454 }\r
455 if (keyc > 1)\r
456 {\r
457 // loop again and mark those keys and actions as combo\r
458 for (u = 0; u < 32; u++)\r
459 {\r
460 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
461 combo_keys |= 1 << u;\r
462 combo_acts |= 1 << act;\r
463 }\r
464 }\r
465 }\r
466 }\r
467 // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r
468}\r
469\r
470\r
79cad122 471void scaling_update(void)\r
472{\r
473 PicoOpt &= ~0x4100;\r
474 switch (currentConfig.scaling) {\r
475 default: break; // off\r
476 case 1: // hw hor\r
477 case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
478 case 3: PicoOpt |= 0x4000; break; // sw hor\r
479 }\r
480}\r
481\r
482\r
95151aea 483int emu_ReadConfig(int game, int no_defaults)\r
720ee7f6 484{\r
485 FILE *f;\r
59633198 486 char cfg[512], extbuf[16];\r
720ee7f6 487 int bread = 0;\r
488\r
489 if (!game)\r
490 {\r
95151aea 491 if (!no_defaults)\r
492 {\r
493 // set default config\r
494 memset(&currentConfig, 0, sizeof(currentConfig));\r
495 currentConfig.lastRomFile[0] = 0;\r
496 currentConfig.EmuOpt = 0x1f | 0x600; // | confirm_save, cd_leds\r
497 currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940, cd_pcm, cd_cdda\r
498 currentConfig.PsndRate = 22050; // 44100;\r
499 currentConfig.PicoRegion = 0; // auto\r
500 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r
501 currentConfig.Frameskip = -1; // auto\r
502 currentConfig.CPUclock = 200;\r
503 currentConfig.volume = 50;\r
504 currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r
505 currentConfig.KeyBinds[ 4] = 1<<1;\r
506 currentConfig.KeyBinds[ 2] = 1<<2;\r
507 currentConfig.KeyBinds[ 6] = 1<<3;\r
508 currentConfig.KeyBinds[14] = 1<<4;\r
509 currentConfig.KeyBinds[13] = 1<<5;\r
510 currentConfig.KeyBinds[12] = 1<<6;\r
511 currentConfig.KeyBinds[ 8] = 1<<7;\r
512 currentConfig.KeyBinds[15] = 1<<26; // switch rend\r
513 currentConfig.KeyBinds[10] = 1<<27; // save state\r
514 currentConfig.KeyBinds[11] = 1<<28; // load state\r
515 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
516 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
517 currentConfig.gamma = 100;\r
518 currentConfig.PicoCDBuffers = 64;\r
519 currentConfig.scaling = 0;\r
520 }\r
720ee7f6 521 strncpy(cfg, PicoConfigFile, 511);\r
59633198 522 if (config_slot != 0)\r
523 {\r
524 char *p = strrchr(cfg, '.');\r
525 if (p == NULL) p = cfg + strlen(cfg);\r
526 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
527 strncpy(p, extbuf, 511 - (p - cfg));\r
528 }\r
720ee7f6 529 cfg[511] = 0;\r
530 } else {\r
59633198 531 if (config_slot != 0)\r
532 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
533 else strcpy(extbuf, ".pbcfg");\r
534 romfname_ext(cfg, "cfg/", extbuf);\r
4ffd2858 535 f = fopen(cfg, "rb");\r
536 if (!f) romfname_ext(cfg, NULL, ".pbcfg");\r
537 else fclose(f);\r
720ee7f6 538 }\r
539\r
540 printf("emu_ReadConfig: %s ", cfg);\r
541 f = fopen(cfg, "rb");\r
542 if (f) {\r
543 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
544 fclose(f);\r
545 }\r
79cad122 546 printf(bread > 0 ? "(ok)\n" : "(failed)\n");\r
720ee7f6 547\r
548 PicoOpt = currentConfig.PicoOpt;\r
549 PsndRate = currentConfig.PsndRate;\r
550 PicoRegionOverride = currentConfig.PicoRegion;\r
979ba09f 551 PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;\r
5f9922e6 552 PicoCDBuffers = currentConfig.PicoCDBuffers;\r
79cad122 553 scaling_update();\r
720ee7f6 554 // some sanity checks\r
5e2e14f2 555 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
720ee7f6 556 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
5e2e14f2 557 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
720ee7f6 558 // if volume keys are unbound, bind them to volume control\r
559 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
560 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
561 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
562 }\r
563\r
59633198 564 if (bread > 0) config_slot_current = config_slot;\r
79cad122 565 return (bread > 0); // == sizeof(currentConfig));\r
720ee7f6 566}\r
567\r
568\r
569int emu_WriteConfig(int game)\r
570{\r
571 FILE *f;\r
59633198 572 char cfg[512], extbuf[16];\r
720ee7f6 573 int bwrite = 0;\r
574\r
575 if (!game)\r
576 {\r
577 strncpy(cfg, PicoConfigFile, 511);\r
59633198 578 if (config_slot != 0)\r
579 {\r
580 char *p = strrchr(cfg, '.');\r
581 if (p == NULL) p = cfg + strlen(cfg);\r
582 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
583 strncpy(p, extbuf, 511 - (p - cfg));\r
584 }\r
720ee7f6 585 cfg[511] = 0;\r
586 } else {\r
59633198 587 if (config_slot != 0)\r
588 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
589 else strcpy(extbuf, ".pbcfg");\r
590 romfname_ext(cfg, "cfg/", extbuf);\r
720ee7f6 591 }\r
592\r
593 printf("emu_WriteConfig: %s ", cfg);\r
594 f = fopen(cfg, "wb");\r
595 if (f) {\r
596 currentConfig.PicoOpt = PicoOpt;\r
597 currentConfig.PsndRate = PsndRate;\r
598 currentConfig.PicoRegion = PicoRegionOverride;\r
979ba09f 599 currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;\r
5f9922e6 600 currentConfig.PicoCDBuffers = PicoCDBuffers;\r
720ee7f6 601 bwrite = fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
602 fflush(f);\r
603 fclose(f);\r
79cad122 604#ifndef NO_SYNC\r
720ee7f6 605 sync();\r
79cad122 606#endif\r
720ee7f6 607 }\r
608 printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r
609\r
59633198 610 if (bwrite == sizeof(currentConfig)) config_slot_current = config_slot;\r
720ee7f6 611 return (bwrite == sizeof(currentConfig));\r
612}\r
613\r
614\r
615void emu_Deinit(void)\r
616{\r
617 // save SRAM\r
618 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
619 emu_SaveLoadGame(0, 1);\r
620 SRam.changed = 0;\r
621 }\r
622\r
79cad122 623 if (!(currentConfig.EmuOpt & 0x20)) {\r
624 FILE *f = fopen(PicoConfigFile, "r+b");\r
625 if (!f) emu_WriteConfig(0);\r
626 else {\r
627 // if we already have config, reload it, except last ROM\r
628 fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);\r
629 fread(&currentConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);\r
630 fseek(f, 0, SEEK_SET);\r
631 fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
632 fflush(f);\r
633 fclose(f);\r
634#ifndef NO_SYNC\r
635 sync();\r
636#endif\r
637 }\r
638 }\r
639\r
c7a4ff64 640 free(PicoDraw2FB);\r
720ee7f6 641\r
642 PicoExit();\r
720ee7f6 643\r
644 // restore gamma\r
645 if (gp2x_old_gamma != 100)\r
55a951dd 646 set_gamma(100, 0);\r
720ee7f6 647}\r
648\r
13059a60 649static void text_out8_builtin(int x, int y, const char *text)\r
650{\r
651 int i,l,len=strlen(text);\r
652 unsigned char *screen = (unsigned char *)gp2x_screen + x + y*320;\r
653\r
654 /* always using built-in font */\r
655 for (i = 0; i < len; i++)\r
656 {\r
657 for (l=0;l<8;l++)\r
658 {\r
659 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
660 if (fd&0x80) screen[l*320+0]=0xf0;\r
661 if (fd&0x40) screen[l*320+1]=0xf0;\r
662 if (fd&0x20) screen[l*320+2]=0xf0;\r
663 if (fd&0x10) screen[l*320+3]=0xf0;\r
664 if (fd&0x08) screen[l*320+4]=0xf0;\r
665 if (fd&0x04) screen[l*320+5]=0xf0;\r
666 if (fd&0x02) screen[l*320+6]=0xf0;\r
667 if (fd&0x01) screen[l*320+7]=0xf0;\r
668 }\r
669 screen += 8;\r
670 }\r
671}\r
672\r
673static void text_out16_builtin(int x, int y, const char *text)\r
674{\r
675 int i,l,len=strlen(text);\r
676 unsigned short *screen = (unsigned short *)gp2x_screen + x + y*320;\r
677\r
678 for (i = 0; i < len; i++)\r
679 {\r
680 for (l=0;l<8;l++)\r
681 {\r
682 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
683 if(fd&0x80) screen[l*320+0]=0xffff;\r
684 if(fd&0x40) screen[l*320+1]=0xffff;\r
685 if(fd&0x20) screen[l*320+2]=0xffff;\r
686 if(fd&0x10) screen[l*320+3]=0xffff;\r
687 if(fd&0x08) screen[l*320+4]=0xffff;\r
688 if(fd&0x04) screen[l*320+5]=0xffff;\r
689 if(fd&0x02) screen[l*320+6]=0xffff;\r
690 if(fd&0x01) screen[l*320+7]=0xffff;\r
691 }\r
692 screen += 8;\r
693 }\r
694}\r
695\r
720ee7f6 696\r
0805b5b4 697void osd_text(int x, int y, const char *text)\r
720ee7f6 698{\r
699 int len = strlen(text)*8;\r
700\r
701 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
daf91588 702 int *p, i, h;\r
720ee7f6 703 x &= ~3; // align x\r
704 len = (len+3) >> 2;\r
705 for (h = 0; h < 8; h++) {\r
706 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
daf91588 707 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
720ee7f6 708 }\r
13059a60 709 text_out8_builtin(x, y, text);\r
720ee7f6 710 } else {\r
711 int *p, i, h;\r
712 x &= ~1; // align x\r
713 len = (len+1) >> 1;\r
714 for (h = 0; h < 8; h++) {\r
715 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
716 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
717 }\r
13059a60 718 text_out16_builtin(x, y, text);\r
720ee7f6 719 }\r
720}\r
721\r
daf91588 722static void cd_leds(void)\r
723{\r
8dfb9fd5 724 // mmu problems?\r
725// static\r
726 int old_reg;\r
727// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r
daf91588 728 old_reg = Pico_mcd->s68k_regs[0];\r
729\r
730 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
731 // 8-bit modes\r
732 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
733 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
49fe50f0 734 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
735 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
736 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
737 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
738 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
739 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
daf91588 740 } else {\r
741 // 16-bit modes\r
49fe50f0 742 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
daf91588 743 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
744 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
49fe50f0 745 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
746 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
747 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
daf91588 748 }\r
749}\r
750\r
720ee7f6 751static int EmuScan16(unsigned int num, void *sdata)\r
752{\r
753 if (!(Pico.video.reg[1]&8)) num += 8;\r
754 DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r
755\r
756 return 0;\r
757}\r
758\r
759static int EmuScan8(unsigned int num, void *sdata)\r
760{\r
761 if (!(Pico.video.reg[1]&8)) num += 8;\r
762 DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r
763\r
764 return 0;\r
765}\r
766\r
e5d315a5 767int localPal[0x100];\r
720ee7f6 768static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
769\r
0805b5b4 770static void blit(const char *fps, const char *notice)\r
720ee7f6 771{\r
daf91588 772 int emu_opt = currentConfig.EmuOpt;\r
773\r
720ee7f6 774 if (PicoOpt&0x10) {\r
775 // 8bit fast renderer\r
776 if (Pico.m.dirtyPal) {\r
777 Pico.m.dirtyPal = 0;\r
778 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
779 // feed new palette to our device\r
780 gp2x_video_setpalette(localPal, 0x40);\r
781 }\r
c7a4ff64 782 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
daf91588 783 } else if (!(emu_opt&0x80)) {\r
720ee7f6 784 // 8bit accurate renderer\r
785 if (Pico.m.dirtyPal) {\r
786 Pico.m.dirtyPal = 0;\r
787 if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r
788 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
789 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
790 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
791 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r
daf91588 792 localPal[0xc0] = 0x0000c000;\r
793 localPal[0xd0] = 0x00c00000;\r
720ee7f6 794 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
795 localPal[0xf0] = 0x00ffffff;\r
796 gp2x_video_setpalette(localPal, 0x100);\r
797 } else if (rendstatus & 0x20) { // mid-frame palette changes\r
798 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
799 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
800 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
801 gp2x_video_setpalette(localPal, 0xc0);\r
802 } else {\r
803 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
804 gp2x_video_setpalette(localPal, 0x40);\r
805 }\r
806 }\r
807 }\r
808\r
79cad122 809 if (notice || (emu_opt & 2)) {\r
810 int h = 232;\r
811 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
812 if (notice) osd_text(4, h, notice);\r
813 if (emu_opt & 2)\r
814 osd_text(osd_fps_x, h, fps);\r
815 }\r
daf91588 816 if ((emu_opt & 0x400) && (PicoMCD & 1))\r
817 cd_leds();\r
720ee7f6 818\r
819 //gp2x_video_wait_vsync();\r
820 gp2x_video_flip();\r
821\r
822 if (!(PicoOpt&0x10)) {\r
823 if (!(Pico.video.reg[1]&8)) {\r
824 if (currentConfig.EmuOpt&0x80) {\r
825 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
826 } else {\r
827 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r
828 }\r
829 } else {\r
830 DrawLineDest = gp2x_screen;\r
831 }\r
832 }\r
833}\r
834\r
835\r
836// clears whole screen or just the notice area (in all buffers)\r
837static void clearArea(int full)\r
838{\r
daf91588 839 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
840 // 8-bit renderers\r
841 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
842 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
843 } else {\r
720ee7f6 844 // 16bit accurate renderer\r
845 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
846 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
720ee7f6 847 }\r
848}\r
849\r
850\r
851static void vidResetMode(void)\r
852{\r
853 if (PicoOpt&0x10) {\r
720ee7f6 854 gp2x_video_changemode(8);\r
720ee7f6 855 } else if (currentConfig.EmuOpt&0x80) {\r
13059a60 856 gp2x_video_changemode(16);\r
720ee7f6 857 PicoDrawSetColorFormat(1);\r
858 PicoScan = EmuScan16;\r
859 PicoScan(0, 0);\r
860 } else {\r
daf91588 861 gp2x_video_changemode(8);\r
862 PicoDrawSetColorFormat(2);\r
863 PicoScan = EmuScan8;\r
864 PicoScan(0, 0);\r
865 }\r
866 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
867 // setup pal for 8-bit modes\r
868 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
869 localPal[0xd0] = 0x00c00000;\r
720ee7f6 870 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
871 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 872 gp2x_video_setpalette(localPal, 0x100);\r
873 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
874 gp2x_video_flip();\r
720ee7f6 875 }\r
876 Pico.m.dirtyPal = 1;\r
877 // reset scaling\r
79cad122 878 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
879 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
880 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
720ee7f6 881}\r
882\r
883\r
dfa4c846 884static void emu_msg_cb(const char *msg)\r
885{\r
886 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
887 // 8-bit renderers\r
888 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
889 osd_text(4, 232, msg);\r
890 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);\r
891 } else {\r
892 // 16bit accurate renderer\r
893 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
894 osd_text(4, 232, msg);\r
895 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);\r
896 }\r
897 gettimeofday(&noticeMsgTime, 0);\r
898 noticeMsgTime.tv_sec -= 2;\r
e5589947 899\r
900 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
901 reset_timing = 1;\r
dfa4c846 902}\r
903\r
1078e544 904static void emu_state_cb(const char *str)\r
905{\r
906 clearArea(0);\r
907 blit("", str);\r
908}\r
909\r
5e2e14f2 910static void emu_msg_tray_open(void)\r
911{\r
912 strcpy(noticeMsg, "CD tray opened");\r
913 gettimeofday(&noticeMsgTime, 0);\r
914}\r
915\r
720ee7f6 916static void RunEvents(unsigned int which)\r
917{\r
918 if(which & 0x1800) { // save or load (but not both)\r
919 int do_it = 1;\r
46ede6a6 920 if ( emu_check_save_file(state_slot) &&\r
921 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
922 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
720ee7f6 923 unsigned long keys;\r
46ede6a6 924 blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
720ee7f6 925 while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
926 usleep(50*1024);\r
927 if (keys & GP2X_X) do_it = 0;\r
928 clearArea(0);\r
929 }\r
930 if (do_it) {\r
0805b5b4 931 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
1078e544 932 PicoStateProgressCB = emu_state_cb;\r
933 gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
0805b5b4 934 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
1078e544 935 PicoStateProgressCB = NULL;\r
720ee7f6 936 }\r
937\r
938 reset_timing = 1;\r
939 }\r
940 if(which & 0x0400) { // switch renderer\r
941 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
942 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
943 else currentConfig.EmuOpt &= ~0x80;\r
944\r
945 vidResetMode();\r
946\r
947 if (PicoOpt&0x10) {\r
948 strcpy(noticeMsg, " 8bit fast renderer");\r
949 } else if (currentConfig.EmuOpt&0x80) {\r
950 strcpy(noticeMsg, "16bit accurate renderer");\r
951 } else {\r
952 strcpy(noticeMsg, " 8bit accurate renderer");\r
953 }\r
954\r
955 gettimeofday(&noticeMsgTime, 0);\r
956 }\r
957 if(which & 0x0300) {\r
958 if(which&0x0200) {\r
959 state_slot -= 1;\r
960 if(state_slot < 0) state_slot = 9;\r
961 } else {\r
962 state_slot += 1;\r
963 if(state_slot > 9) state_slot = 0;\r
964 }\r
4ffd2858 965 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE");\r
720ee7f6 966 gettimeofday(&noticeMsgTime, 0);\r
967 }\r
968 if(which & 0x0080) {\r
969 engineState = PGS_Menu;\r
970 }\r
971}\r
972\r
973\r
25fced50 974static void updateMovie(void)\r
975{\r
976 int offs = Pico.m.frame_count*3 + 0x40;\r
977 if (offs+3 > movie_size) {\r
978 free(movie_data);\r
979 movie_data = 0;\r
980 strcpy(noticeMsg, "END OF MOVIE.");\r
981 printf("END OF MOVIE.\n");\r
982 gettimeofday(&noticeMsgTime, 0);\r
983 } else {\r
984 // MXYZ SACB RLDU\r
985 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
986 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
987 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
988 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
989 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
990 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
991 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
992 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
993 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
994 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
995 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
996 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
997 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
998 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
999 }\r
1000}\r
1001\r
1002\r
720ee7f6 1003static void updateKeys(void)\r
1004{\r
1005 unsigned long keys, allActions[2] = { 0, 0 }, events;\r
1006 static unsigned long prevEvents = 0;\r
1007 int joy, i;\r
1008\r
1009 keys = gp2x_joystick_read(0);\r
1010 if (keys & GP2X_SELECT) {\r
1011 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
1012 // wait until select is released, so menu would not resume game\r
1013 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
1014 }\r
1015\r
1016 keys &= CONFIGURABLE_KEYS;\r
1017\r
1018 for (i = 0; i < 32; i++)\r
1019 {\r
1020 if (keys & (1 << i)) {\r
1021 int pl, acts = currentConfig.KeyBinds[i];\r
1022 if (!acts) continue;\r
1023 pl = (acts >> 16) & 1;\r
1024 if (combo_keys & (1 << i)) {\r
1025 int u = i+1, acts_c = acts & combo_acts;\r
1026 // let's try to find the other one\r
1027 if (acts_c)\r
1028 for (; u < 32; u++)\r
1029 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r
1030 allActions[pl] |= acts_c;\r
1031 keys &= ~((1 << i) | (1 << u));\r
1032 break;\r
1033 }\r
1034 // add non-combo actions if combo ones were not found\r
1035 if (!acts_c || u == 32)\r
1036 allActions[pl] |= acts & ~combo_acts;\r
1037 } else {\r
1038 allActions[pl] |= acts;\r
1039 }\r
1040 }\r
1041 }\r
1042\r
1043 // add joy inputs\r
1044 if (num_of_joys > 0)\r
1045 {\r
1046 gp2x_usbjoy_update();\r
1047 for (joy = 0; joy < num_of_joys; joy++) {\r
1048 int keys = gp2x_usbjoy_check2(joy);\r
1049 for (i = 0; i < 32; i++) {\r
1050 if (keys & (1 << i)) {\r
1051 int acts = currentConfig.JoyBinds[joy][i];\r
1052 int pl = (acts >> 16) & 1;\r
1053 allActions[pl] |= acts;\r
1054 }\r
1055 }\r
1056 }\r
1057 }\r
1058\r
25fced50 1059 PicoPad[0] = (unsigned short) allActions[0];\r
1060 PicoPad[1] = (unsigned short) allActions[1];\r
720ee7f6 1061\r
1062 events = (allActions[0] | allActions[1]) >> 16;\r
1063\r
1064 // volume is treated in special way and triggered every frame\r
1065 if(events & 0x6000) {\r
1066 int vol = currentConfig.volume;\r
1067 if (events & 0x2000) {\r
5e2e14f2 1068 if (vol < 99) vol++;\r
720ee7f6 1069 } else {\r
1070 if (vol > 0) vol--;\r
1071 }\r
1072 gp2x_sound_volume(vol, vol);\r
1073 sprintf(noticeMsg, "VOL: %02i", vol);\r
1074 gettimeofday(&noticeMsgTime, 0);\r
1075 currentConfig.volume = vol;\r
1076 }\r
1077\r
1078 events &= ~prevEvents;\r
1079 if (events) RunEvents(events);\r
25fced50 1080 if (movie_data) updateMovie();\r
720ee7f6 1081\r
1082 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
1083}\r
1084\r
720ee7f6 1085\r
3ef975c9 1086static void updateSound(int len)\r
720ee7f6 1087{\r
3ef975c9 1088 if (PicoOpt&8) len<<=1;\r
720ee7f6 1089\r
d9a18943 1090 /* avoid writing audio when lagging behind to prevent audio lag */\r
1091 if (PicoSkipFrame != 2)\r
1092 gp2x_sound_write(PsndOut, len<<1);\r
720ee7f6 1093}\r
1094\r
1095\r
d9a18943 1096static void SkipFrame(int do_audio)\r
720ee7f6 1097{\r
d9a18943 1098 PicoSkipFrame=do_audio ? 1 : 2;\r
720ee7f6 1099 PicoFrame();\r
1100 PicoSkipFrame=0;\r
720ee7f6 1101}\r
1102\r
1103\r
4ffd2858 1104void emu_forced_frame(void)\r
1105{\r
1106 int po_old = PicoOpt;\r
13059a60 1107 int eo_old = currentConfig.EmuOpt;\r
1108\r
1109 PicoOpt &= ~0x0010;\r
1110 PicoOpt |= 0x4080; // soft_scale | acc_sprites\r
1111 currentConfig.EmuOpt |= 0x80;\r
4ffd2858 1112\r
13059a60 1113 //vidResetMode();\r
1114 PicoDrawSetColorFormat(1);\r
1115 PicoScan = EmuScan16;\r
1116 PicoScan(0, 0);\r
1117 Pico.m.dirtyPal = 1;\r
1118 PicoFrameDrawOnly();\r
4ffd2858 1119\r
13059a60 1120/*\r
4ffd2858 1121 if (!(Pico.video.reg[12]&1)) {\r
dccc2bd0 1122 vidCpyM2 = vidCpyM2_32col;\r
4ffd2858 1123 clearArea(1);\r
dccc2bd0 1124 } else vidCpyM2 = vidCpyM2_40col;\r
4ffd2858 1125\r
c7a4ff64 1126 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
4ffd2858 1127 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
1128 gp2x_video_setpalette(localPal, 0x40);\r
13059a60 1129*/\r
e1aa0fa7 1130 PicoOpt = po_old;\r
13059a60 1131 currentConfig.EmuOpt = eo_old;\r
4ffd2858 1132}\r
1133\r
720ee7f6 1134static void simpleWait(int thissec, int lim_time)\r
1135{\r
1136 struct timeval tval;\r
1137\r
1138 spend_cycles(1024);\r
1139 gettimeofday(&tval, 0);\r
1140 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1141\r
1142 while(tval.tv_usec < lim_time)\r
1143 {\r
1144 spend_cycles(1024);\r
1145 gettimeofday(&tval, 0);\r
1146 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1147 }\r
1148}\r
1149\r
1150\r
1151void emu_Loop(void)\r
1152{\r
1153 static int gp2x_old_clock = 200;\r
59d0f042 1154 static int PsndRate_old = 0, PicoOpt_old = 0, EmuOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r
720ee7f6 1155 char fpsbuff[24]; // fps count c string\r
1156 struct timeval tval; // timing\r
1157 int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r
59d0f042 1158 int target_fps, target_frametime, lim_time, vsync_offset, i;\r
720ee7f6 1159 char *notice = 0;\r
1160\r
1161 printf("entered emu_Loop()\n");\r
1162\r
1163 if (gp2x_old_clock != currentConfig.CPUclock) {\r
1164 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
1165 set_FCLK(currentConfig.CPUclock);\r
1166 gp2x_old_clock = currentConfig.CPUclock;\r
1167 printf(" done\n");\r
1168 }\r
1169\r
55a951dd 1170 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
1171 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 1172 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 1173 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 1174 }\r
1175\r
59d0f042 1176 if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
1177 if (currentConfig.EmuOpt&0x2000)\r
1178 set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
1179 else unset_LCD_custom_rate();\r
1180 }\r
1181\r
1182 EmuOpt_old = currentConfig.EmuOpt;\r
720ee7f6 1183 fpsbuff[0] = 0;\r
1184\r
1185 // make sure we are in correct mode\r
1186 vidResetMode();\r
e5d315a5 1187 Pico.m.dirtyPal = 1;\r
720ee7f6 1188 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
1189 find_combos();\r
1190\r
1191 // pal/ntsc might have changed, reset related stuff\r
1192 target_fps = Pico.m.pal ? 50 : 60;\r
1193 target_frametime = 1000000/target_fps;\r
1194 reset_timing = 1;\r
1195\r
1196 // prepare sound stuff\r
1197 if(currentConfig.EmuOpt & 4) {\r
3ef975c9 1198 int snd_excess_add;\r
4327ec37 1199 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
1200 ((PicoOpt&0x200) && crashed_940)) {\r
720ee7f6 1201 /* if 940 is turned off, we need it to be put back to sleep */\r
1202 if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r
8dfb9fd5 1203 Reset940(1, 2);\r
720ee7f6 1204 Pause940(1);\r
1205 }\r
4327ec37 1206 sound_rerate(Pico.m.frame_count ? 1 : 0);\r
720ee7f6 1207 }\r
720ee7f6 1208 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
4327ec37 1209 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
1210 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
720ee7f6 1211 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
1212 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
1213 PicoWriteSound = updateSound;\r
3ef975c9 1214 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1215 PsndOut = sndBuffer;\r
720ee7f6 1216 PsndRate_old = PsndRate;\r
1217 PsndLen_real = PsndLen;\r
1218 PicoOpt_old = PicoOpt;\r
1219 pal_old = Pico.m.pal;\r
1220 } else {\r
1221 PsndOut = 0;\r
1222 }\r
1223\r
5f9922e6 1224 // prepare CD buffer\r
1225 if (PicoMCD & 1) PicoCDBufferInit();\r
1226\r
59d0f042 1227 // calc vsync offset to sync timing code with vsync\r
1228 if (currentConfig.EmuOpt&0x2000) {\r
1229 gettimeofday(&tval, 0);\r
1230 gp2x_video_wait_vsync();\r
1231 gettimeofday(&tval, 0);\r
1232 vsync_offset = tval.tv_usec;\r
1233 while (vsync_offset >= target_frametime)\r
1234 vsync_offset -= target_frametime;\r
1235 if (!vsync_offset) vsync_offset++;\r
1236 printf("vsync_offset: %i\n", vsync_offset);\r
1237 } else\r
1238 vsync_offset = 0;\r
1239\r
720ee7f6 1240 // loop?\r
1241 while (engineState == PGS_Running)\r
1242 {\r
1243 int modes;\r
1244\r
1245 gettimeofday(&tval, 0);\r
1246 if(reset_timing) {\r
1247 reset_timing = 0;\r
1248 thissec = tval.tv_sec;\r
1249 frames_shown = frames_done = tval.tv_usec/target_frametime;\r
1250 }\r
1251\r
1252 // show notice message?\r
1253 if(noticeMsgTime.tv_sec) {\r
1254 static int noticeMsgSum;\r
1255 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
1256 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
1257 clearArea(0);\r
1258 notice = 0;\r
1259 } else {\r
1260 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
1261 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
1262 notice = noticeMsg;\r
1263 }\r
1264 }\r
1265\r
1266 // check for mode changes\r
1267 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
1268 if (modes != oldmodes) {\r
1269 int scalex = 320;\r
1270 osd_fps_x = OSD_FPS_X;\r
1271 if (modes & 4) {\r
1272 vidCpyM2 = vidCpyM2_40col;\r
1273 } else {\r
1274 if (PicoOpt & 0x100) {\r
1275 vidCpyM2 = vidCpyM2_32col_nobord;\r
1276 scalex = 256;\r
1277 osd_fps_x = OSD_FPS_X - 64;\r
1278 } else {\r
1279 vidCpyM2 = vidCpyM2_32col;\r
1280 }\r
1281 }\r
79cad122 1282 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
1283 gp2x_video_RGB_setscaling(8, scalex, 224);\r
1284 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
720ee7f6 1285 oldmodes = modes;\r
1286 clearArea(1);\r
1287 }\r
1288\r
1289 // second changed?\r
1290 if(thissec != tval.tv_sec) {\r
1291#ifdef BENCHMARK\r
1292 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1293 if(++bench == 10) {\r
1294 bench = 0;\r
1295 bench_fps_s = bench_fps;\r
1296 bf[bfp++ & 3] = bench_fps;\r
1297 bench_fps = 0;\r
1298 }\r
1299 bench_fps += frames_shown;\r
1300 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
1301#else\r
1302 if(currentConfig.EmuOpt & 2)\r
1303 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1304#endif\r
1305 thissec = tval.tv_sec;\r
1306\r
1307 if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
1308 frames_done = frames_shown = 0;\r
1309 } else {\r
1310 // it is quite common for this implementation to leave 1 fame unfinished\r
1311 // when second changes, but we don't want buffer to starve.\r
1312 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r
1313 updateKeys();\r
d9a18943 1314 SkipFrame(1); frames_done++;\r
720ee7f6 1315 }\r
1316\r
1317 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r
1318 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r
1319 if (frames_shown > frames_done) frames_shown = frames_done;\r
1320 }\r
1321 }\r
4327ec37 1322#ifdef PFRAMES\r
1323 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1324#endif\r
59d0f042 1325\r
1326 lim_time = (frames_done+1) * target_frametime + vsync_offset;\r
720ee7f6 1327 if(currentConfig.Frameskip >= 0) { // frameskip enabled\r
1328 for(i = 0; i < currentConfig.Frameskip; i++) {\r
1329 updateKeys();\r
d9a18943 1330 SkipFrame(1); frames_done++;\r
720ee7f6 1331 if (PsndOut) { // do framelimitting if sound is enabled\r
1332 gettimeofday(&tval, 0);\r
1333 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1334 if(tval.tv_usec < lim_time) { // we are too fast\r
1335 simpleWait(thissec, lim_time);\r
1336 }\r
1337 }\r
1338 lim_time += target_frametime;\r
1339 }\r
1340 } else if(tval.tv_usec > lim_time) { // auto frameskip\r
1341 // no time left for this frame - skip\r
d032c15a 1342 if (tval.tv_usec - lim_time >= 0x300000) {\r
1343 /* something caused a slowdown for us (disk access? cache flush?)\r
1344 * try to recover by resetting timing... */\r
1345 reset_timing = 1;\r
1346 continue;\r
1347 }\r
720ee7f6 1348 updateKeys();\r
8f1b51ef 1349 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); frames_done++;\r
720ee7f6 1350 continue;\r
1351 }\r
1352\r
1353 updateKeys();\r
1354 PicoFrame();\r
1355\r
47f22a1f 1356#if 0\r
1357if (Pico.m.frame_count == 31563) {\r
1358 FILE *f;\r
1359 f = fopen("ram_p.bin", "wb");\r
1360 if (!f) { printf("!f\n"); exit(1); }\r
1361 fwrite(Pico.ram, 1, 0x10000, f);\r
1362 fclose(f);\r
1363 exit(0);\r
1364}\r
1365#endif\r
1a20dbc8 1366#if 0\r
1367 // debug\r
1368 {\r
47f22a1f 1369 #define BYTE unsigned char\r
1370 #define WORD unsigned short\r
1371 struct\r
1372 {\r
1373 BYTE IDLength; /* 00h Size of Image ID field */\r
1374 BYTE ColorMapType; /* 01h Color map type */\r
1375 BYTE ImageType; /* 02h Image type code */\r
1376 WORD CMapStart; /* 03h Color map origin */\r
1377 WORD CMapLength; /* 05h Color map length */\r
1378 BYTE CMapDepth; /* 07h Depth of color map entries */\r
1379 WORD XOffset; /* 08h X origin of image */\r
1380 WORD YOffset; /* 0Ah Y origin of image */\r
1381 WORD Width; /* 0Ch Width of image */\r
1382 WORD Height; /* 0Eh Height of image */\r
1383 BYTE PixelDepth; /* 10h Image pixel size */\r
1384 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
1385 } __attribute__((packed)) TGAHEAD;\r
1386 static unsigned short oldscr[320*240];\r
1a20dbc8 1387 FILE *f; char name[128]; int i;\r
47f22a1f 1388\r
1389 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
1390 TGAHEAD.ImageType = 2;\r
1391 TGAHEAD.Width = 320;\r
1392 TGAHEAD.Height = 240;\r
1393 TGAHEAD.PixelDepth = 16;\r
1394 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
1395\r
1396 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
1397\r
1398 for (i = 0; i < 320*240; i++)\r
1399 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
1400 if (i < 320*240)\r
1a20dbc8 1401 {\r
47f22a1f 1402 for (i = 0; i < 320*240; i++)\r
1403 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
1404 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
1a20dbc8 1405 f = fopen(name, "wb");\r
1406 if (!f) { printf("!f\n"); exit(1); }\r
47f22a1f 1407 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
1408 fwrite(oldscr, 1, 320*240*2, f);\r
1a20dbc8 1409 fclose(f);\r
1410 }\r
1411 }\r
1412#endif\r
1413\r
720ee7f6 1414 // check time\r
1415 gettimeofday(&tval, 0);\r
d032c15a 1416 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 1417\r
d032c15a 1418 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 0x300000) // slowdown detection\r
1419 reset_timing = 1;\r
1420 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
720ee7f6 1421 {\r
59d0f042 1422 // sleep or vsync if we are still too fast\r
720ee7f6 1423 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
720ee7f6 1424 if(tval.tv_usec < lim_time)\r
1425 {\r
1426 // we are too fast\r
59d0f042 1427 if (vsync_offset) {\r
1428 if (lim_time - tval.tv_usec > target_frametime/2)\r
1429 simpleWait(thissec, lim_time - target_frametime/4);\r
1430 gp2x_video_wait_vsync();\r
1431 } else {\r
1432 simpleWait(thissec, lim_time);\r
1433 }\r
720ee7f6 1434 }\r
1435 }\r
1436\r
1437 blit(fpsbuff, notice);\r
1438\r
1439 frames_done++; frames_shown++;\r
1440 }\r
1441\r
5f9922e6 1442\r
1443 if (PicoMCD & 1) PicoCDBufferFree();\r
1444\r
720ee7f6 1445 // save SRAM\r
1446 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
6ab2f79c 1447 emu_state_cb("Writing SRAM/BRAM..");\r
720ee7f6 1448 emu_SaveLoadGame(0, 1);\r
1449 SRam.changed = 0;\r
1450 }\r
e5d315a5 1451\r
13059a60 1452 // if in 8bit mode, generate 16bit image for menu background\r
1453 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
4ffd2858 1454 emu_forced_frame();\r
720ee7f6 1455}\r
1456\r
1457\r
1458void emu_ResetGame(void)\r
1459{\r
1460 PicoReset(0);\r
1461 reset_timing = 1;\r
1462}\r
1463\r
1464\r
1465size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
1466{\r
1467 return gzread(file, p, _n);\r
1468}\r
1469\r
1470\r
1471size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
1472{\r
1473 return gzwrite(file, p, _n);\r
1474}\r
1475\r
4ffd2858 1476static int try_ropen_file(const char *fname)\r
1477{\r
1478 FILE *f;\r
1479\r
1480 f = fopen(fname, "rb");\r
1481 if (f) {\r
1482 fclose(f);\r
1483 return 1;\r
1484 }\r
1485 return 0;\r
1486}\r
1487\r
1488char *emu_GetSaveFName(int load, int is_sram, int slot)\r
1489{\r
1490 static char saveFname[512];\r
1491 char ext[16];\r
1492\r
1493 if (is_sram)\r
1494 {\r
1495 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");\r
1496 if (load) {\r
1497 if (try_ropen_file(saveFname)) return saveFname;\r
1498 // try in current dir..\r
1499 romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");\r
1500 if (try_ropen_file(saveFname)) return saveFname;\r
1501 return NULL; // give up\r
1502 }\r
1503 }\r
1504 else\r
1505 {\r
1506 ext[0] = 0;\r
1507 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1508 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
1509\r
1510 romfname_ext(saveFname, "mds/", ext);\r
1511 if (load) {\r
1512 if (try_ropen_file(saveFname)) return saveFname;\r
1513 romfname_ext(saveFname, NULL, ext);\r
1514 if (try_ropen_file(saveFname)) return saveFname;\r
1515 if (currentConfig.EmuOpt & 8) {\r
1516 ext[0] = 0;\r
1517 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1518 strcat(ext, ".mds");\r
1519\r
1520 romfname_ext(saveFname, "mds/", ext);\r
1521 if (try_ropen_file(saveFname)) return saveFname;\r
1522 romfname_ext(saveFname, NULL, ext);\r
1523 if (try_ropen_file(saveFname)) return saveFname;\r
1524 }\r
1525 return NULL;\r
1526 }\r
1527 }\r
1528\r
1529 return saveFname;\r
1530}\r
1531\r
1532int emu_check_save_file(int slot)\r
1533{\r
1534 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
1535}\r
1536\r
1537void emu_set_save_cbs(int gz)\r
1538{\r
1539 if (gz) {\r
1540 areaRead = gzRead2;\r
1541 areaWrite = gzWrite2;\r
1542 areaEof = (areaeof *) gzeof;\r
1543 areaSeek = (areaseek *) gzseek;\r
1544 areaClose = (areaclose *) gzclose;\r
1545 } else {\r
1546 areaRead = (arearw *) fread;\r
1547 areaWrite = (arearw *) fwrite;\r
1548 areaEof = (areaeof *) feof;\r
1549 areaSeek = (areaseek *) fseek;\r
1550 areaClose = (areaclose *) fclose;\r
1551 }\r
1552}\r
720ee7f6 1553\r
1554int emu_SaveLoadGame(int load, int sram)\r
1555{\r
1556 int ret = 0;\r
4ffd2858 1557 char *saveFname;\r
720ee7f6 1558\r
1559 // make save filename\r
4ffd2858 1560 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
1561 if (saveFname == NULL) {\r
dccc2bd0 1562 if (!sram) {\r
1563 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
1564 gettimeofday(&noticeMsgTime, 0);\r
1565 }\r
4ffd2858 1566 return -1;\r
720ee7f6 1567 }\r
1568\r
1569 printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
1570\r
1571 if(sram) {\r
1572 FILE *sramFile;\r
15f38574 1573 int sram_size;\r
1574 unsigned char *sram_data;\r
6ab2f79c 1575 int truncate = 1;\r
15f38574 1576 if (PicoMCD&1) {\r
6ab2f79c 1577 if (PicoOpt&0x8000) { // MCD RAM cart?\r
1578 sram_size = 0x12000;\r
1579 sram_data = SRam.data;\r
1580 if (sram_data)\r
1581 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
1582 } else {\r
1583 sram_size = 0x2000;\r
1584 sram_data = Pico_mcd->bram;\r
1585 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
1586 }\r
15f38574 1587 } else {\r
1588 sram_size = SRam.end-SRam.start+1;\r
4327ec37 1589 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
15f38574 1590 sram_data = SRam.data;\r
1591 }\r
6ab2f79c 1592 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
15f38574 1593\r
6ab2f79c 1594 if (load) {\r
720ee7f6 1595 sramFile = fopen(saveFname, "rb");\r
1596 if(!sramFile) return -1;\r
15f38574 1597 fread(sram_data, 1, sram_size, sramFile);\r
720ee7f6 1598 fclose(sramFile);\r
6ab2f79c 1599 if ((PicoMCD&1) && (PicoOpt&0x8000))\r
1600 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
720ee7f6 1601 } else {\r
1602 // sram save needs some special processing\r
1603 // see if we have anything to save\r
6ab2f79c 1604 for (; sram_size > 0; sram_size--)\r
1605 if (sram_data[sram_size-1]) break;\r
720ee7f6 1606\r
6ab2f79c 1607 if (sram_size) {\r
1608 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
4ac747cb 1609 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
1610 if (!sramFile) return -1;\r
15f38574 1611 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
720ee7f6 1612 ret = (ret != sram_size) ? -1 : 0;\r
1613 fclose(sramFile);\r
79cad122 1614#ifndef NO_SYNC\r
720ee7f6 1615 sync();\r
79cad122 1616#endif\r
720ee7f6 1617 }\r
1618 }\r
1619 return ret;\r
15f38574 1620 }\r
1621 else\r
1622 {\r
720ee7f6 1623 void *PmovFile = NULL;\r
4ffd2858 1624 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) {\r
720ee7f6 1625 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
4ffd2858 1626 emu_set_save_cbs(1);\r
720ee7f6 1627 if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
4ffd2858 1628 }\r
720ee7f6 1629 }\r
4ffd2858 1630 else\r
1631 {\r
720ee7f6 1632 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
4ffd2858 1633 emu_set_save_cbs(0);\r
720ee7f6 1634 }\r
1635 }\r
1636 if(PmovFile) {\r
98c9d8d9 1637 ret = PmovState(load ? 6 : 5, PmovFile);\r
4ffd2858 1638 areaClose(PmovFile);\r
720ee7f6 1639 PmovFile = 0;\r
79cad122 1640 if (load) Pico.m.dirtyPal=1;\r
1641#ifndef NO_SYNC\r
1642 else sync();\r
1643#endif\r
98c9d8d9 1644 }\r
1645 else ret = -1;\r
1646 if (!ret)\r
1647 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
1648 else\r
1649 {\r
720ee7f6 1650 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
1651 ret = -1;\r
1652 }\r
1653\r
1654 gettimeofday(&noticeMsgTime, 0);\r
1655 return ret;\r
1656 }\r
1657}\r
PicoDrive's frontend in a lib