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updated EEPROM code, gmv fixed
[picodrive.git] / platform / gp2x / emu.c
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6cadc2da 1// (c) Copyright 2006-2007 notaz, All rights reserved.\r
cc68a136 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
e5f426aa 21#include "../common/arm_utils.h"\r
22#include "../common/fonts.h"\r
cc68a136 23#include "cpuctrl.h"\r
24\r
b67ef287 25#include <Pico/PicoInt.h>\r
26#include <Pico/Patch.h>\r
27#include <zlib/zlib.h>\r
cc68a136 28\r
1dceadae 29//#define PFRAMES\r
cc68a136 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
cc68a136 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
7a93adeb 48static short sndBuffer[2*44100/50];\r
cc68a136 49static char noticeMsg[64]; // notice msg to draw\r
50static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
00bd648e 51static int osd_fps_x;\r
cc68a136 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
e5f426aa 56unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
cc68a136 57int state_slot = 0;\r
00bd648e 58int reset_timing = 0;\r
4e8a534c 59int config_slot = 0, config_slot_current = 0;\r
cc68a136 60\r
cc68a136 61\r
cc68a136 62// utilities\r
63static void strlwr(char* string)\r
64{\r
65 while ( (*string++ = (char)tolower(*string)) );\r
66}\r
67\r
672ad671 68static int try_rfn_cut(void)\r
cc68a136 69{\r
70 FILE *tmp;\r
71 char *p;\r
72\r
672ad671 73 p = romFileName + strlen(romFileName) - 1;\r
74 for (; p > romFileName; p--)\r
75 if (*p == '.') break;\r
76 *p = 0;\r
cc68a136 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
bf098bc5 85static void get_ext(char *file, char *ext)\r
8c1952f0 86{\r
87 char *p;\r
88\r
bf098bc5 89 p = file + strlen(file) - 4;\r
90 if (p < file) p = file;\r
8c1952f0 91 strncpy(ext, p, 4);\r
92 ext[4] = 0;\r
93 strlwr(ext);\r
94}\r
95\r
bf098bc5 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
721cd396 154int emu_cd_check(char **bios_file)\r
bf098bc5 155{\r
156 unsigned char buf[32];\r
83bd0b76 157 pm_file *cd_f;\r
bf098bc5 158 int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
159\r
83bd0b76 160 cd_f = pm_open(romFileName);\r
bf098bc5 161 if (!cd_f) return 0; // let the upper level handle this\r
162\r
83bd0b76 163 if (pm_read(buf, 32, cd_f) != 32) {\r
164 pm_close(cd_f);\r
bf098bc5 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
83bd0b76 171 pm_close(cd_f);\r
bf098bc5 172 return 0;\r
173 }\r
174\r
721cd396 175 /* it seems we have a CD image here. Try to detect region now.. */\r
83bd0b76 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
bf098bc5 179\r
cb0316e4 180 if (buf[0] == 0x64) region = 8; // EU\r
bf098bc5 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
186 if (PicoRegionOverride) {\r
187 region = PicoRegionOverride;\r
188 printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
189 }\r
190\r
721cd396 191 if (bios_file == NULL) return type;\r
192\r
193 if (find_bios(region, bios_file))\r
bf098bc5 194 return type; // CD and BIOS detected\r
195\r
196 return -1; // CD detected but load failed\r
197}\r
198\r
cc68a136 199int emu_ReloadRom(void)\r
200{\r
201 unsigned int rom_size = 0;\r
bf098bc5 202 char *used_rom_name = romFileName;\r
8c1952f0 203 char ext[5];\r
83bd0b76 204 pm_file *rom;\r
bf098bc5 205 int ret, cd_state;\r
cc68a136 206\r
207 printf("emu_ReloadRom(%s)\n", romFileName);\r
208\r
bf098bc5 209 get_ext(romFileName, ext);\r
cc68a136 210\r
bf098bc5 211 // detect wrong extensions\r
cc68a136 212 if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
213 sprintf(menuErrorMsg, "Not a ROM selected.");\r
214 return 0;\r
215 }\r
216\r
b67ef287 217 PicoPatchUnload();\r
218\r
cc68a136 219 // check for movie file\r
220 if(movie_data) {\r
221 free(movie_data);\r
222 movie_data = 0;\r
223 }\r
224 if(!strcmp(ext, ".gmv")) {\r
225 // check for both gmv and rom\r
226 int dummy;\r
227 FILE *movie_file = fopen(romFileName, "rb");\r
228 if(!movie_file) {\r
229 sprintf(menuErrorMsg, "Failed to open movie.");\r
230 return 0;\r
231 }\r
232 fseek(movie_file, 0, SEEK_END);\r
233 movie_size = ftell(movie_file);\r
234 fseek(movie_file, 0, SEEK_SET);\r
235 if(movie_size < 64+3) {\r
236 sprintf(menuErrorMsg, "Invalid GMV file.");\r
237 fclose(movie_file);\r
238 return 0;\r
239 }\r
240 movie_data = malloc(movie_size);\r
241 if(movie_data == NULL) {\r
242 sprintf(menuErrorMsg, "low memory.");\r
243 fclose(movie_file);\r
244 return 0;\r
245 }\r
246 fread(movie_data, 1, movie_size, movie_file);\r
247 fclose(movie_file);\r
248 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
249 sprintf(menuErrorMsg, "Invalid GMV file.");\r
250 return 0;\r
251 }\r
672ad671 252 dummy = try_rfn_cut() || try_rfn_cut();\r
cc68a136 253 if (!dummy) {\r
254 sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
255 return 0;\r
256 }\r
bf098bc5 257 get_ext(romFileName, ext);\r
cc68a136 258 }\r
b67ef287 259 else if (!strcmp(ext, ".pat")) {\r
260 int dummy;\r
261 PicoPatchLoad(romFileName);\r
262 dummy = try_rfn_cut() || try_rfn_cut();\r
263 if (!dummy) {\r
264 sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
265 return 0;\r
266 }\r
267 get_ext(romFileName, ext);\r
268 }\r
cc68a136 269\r
46969540 270 if ((PicoMCD & 1) && Pico_mcd != NULL)\r
271 Stop_CD();\r
272\r
bf098bc5 273 // check for MegaCD image\r
721cd396 274 cd_state = emu_cd_check(&used_rom_name);\r
bf098bc5 275 if (cd_state > 0) {\r
276 PicoMCD |= 1;\r
277 get_ext(used_rom_name, ext);\r
278 } else if (cd_state == -1) {\r
279 // bios_help() ?\r
280 return 0;\r
281 } else {\r
eff55556 282 if (PicoMCD & 1) Stop_CD();\r
bf098bc5 283 PicoMCD &= ~1;\r
284 }\r
285\r
83bd0b76 286 rom = pm_open(used_rom_name);\r
cc68a136 287 if(!rom) {\r
288 sprintf(menuErrorMsg, "Failed to open rom.");\r
289 return 0;\r
290 }\r
291\r
a9b3ffd3 292 menu_romload_prepare(used_rom_name);\r
293\r
cc68a136 294 if(rom_data) {\r
295 free(rom_data);\r
296 rom_data = 0;\r
297 rom_size = 0;\r
298 }\r
299\r
83bd0b76 300 if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
301 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
302 printf("%s\n", menuErrorMsg);\r
303 pm_close(rom);\r
a9b3ffd3 304 menu_romload_end();\r
83bd0b76 305 return 0;\r
cc68a136 306 }\r
83bd0b76 307 pm_close(rom);\r
a9b3ffd3 308 menu_romload_end();\r
cc68a136 309\r
310 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
311 if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
6cadc2da 312 ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
cc68a136 313 if (rom_data) free(rom_data);\r
314 rom_data = 0;\r
315 sprintf(menuErrorMsg, "Not a ROM selected.");\r
316 return 0;\r
317 }\r
318\r
bf098bc5 319 // load config for this ROM (do this before insert to get correct region)\r
d524c827 320 ret = emu_ReadConfig(1, 1);\r
bf098bc5 321 if (!ret)\r
d524c827 322 emu_ReadConfig(0, 1);\r
bf098bc5 323\r
cc68a136 324 printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
325 if(PicoCartInsert(rom_data, rom_size)) {\r
326 sprintf(menuErrorMsg, "Failed to load ROM.");\r
327 return 0;\r
328 }\r
329\r
bf098bc5 330 Pico.m.frame_count = 0;\r
331\r
332 // insert CD if it was detected\r
333 if (cd_state > 0) {\r
334 ret = Insert_CD(romFileName, cd_state == 2);\r
335 if (ret != 0) {\r
336 sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
337 printf("%s\n", menuErrorMsg);\r
338 return 0;\r
339 }\r
340 }\r
cc68a136 341\r
342 // emu_ReadConfig() might have messed currentConfig.lastRomFile\r
343 strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r
344 currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r
345\r
b67ef287 346 if (PicoPatches) {\r
347 PicoPatchPrepare();\r
348 PicoPatchApply();\r
349 }\r
350\r
cc68a136 351 // additional movie stuff\r
1dceadae 352 if (movie_data) {\r
cc68a136 353 if(movie_data[0x14] == '6')\r
354 PicoOpt |= 0x20; // 6 button pad\r
355 else PicoOpt &= ~0x20;\r
1dceadae 356 PicoOpt |= 0x10040; // accurate timing, no VDP fifo timing\r
cc68a136 357 if(movie_data[0xF] >= 'A') {\r
4f672280 358 if(movie_data[0x16] & 0x80) {\r
359 PicoRegionOverride = 8;\r
360 } else {\r
361 PicoRegionOverride = 4;\r
362 }\r
363 PicoReset(0);\r
cc68a136 364 // TODO: bits 6 & 5\r
365 }\r
4f672280 366 movie_data[0x18+30] = 0;\r
367 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
cc68a136 368 }\r
369 else\r
370 {\r
1dceadae 371 PicoOpt &= ~0x10000;\r
cc68a136 372 if(Pico.m.pal) {\r
373 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
374 } else {\r
375 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
376 }\r
377 }\r
378 gettimeofday(&noticeMsgTime, 0);\r
4f265db7 379\r
cc68a136 380 // load SRAM for this ROM\r
381 if(currentConfig.EmuOpt & 1)\r
382 emu_SaveLoadGame(1, 1);\r
383\r
cc68a136 384 return 1;\r
385}\r
386\r
387\r
66fdc0f0 388static void emu_msg_cb(const char *msg);\r
721cd396 389static void emu_msg_tray_open(void);\r
66fdc0f0 390\r
cc68a136 391void emu_Init(void)\r
392{\r
393 // make temp buffer for alt renderer\r
e5f426aa 394 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
395 if (!PicoDraw2FB)\r
cc68a136 396 {\r
e5f426aa 397 printf("PicoDraw2FB == 0\n");\r
cc68a136 398 }\r
399\r
860c6322 400 // make dirs for saves, cfgs, etc.\r
401 mkdir("mds", 0777);\r
402 mkdir("srm", 0777);\r
403 mkdir("brm", 0777);\r
404 mkdir("cfg", 0777);\r
405\r
cc68a136 406 PicoInit();\r
66fdc0f0 407 PicoMessage = emu_msg_cb;\r
721cd396 408 PicoMCDopenTray = emu_msg_tray_open;\r
409 PicoMCDcloseTray = menu_loop_tray;\r
cc68a136 410}\r
411\r
412\r
860c6322 413static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
cc68a136 414{\r
415 char *p;\r
860c6322 416 int prefix_len = 0;\r
cc68a136 417\r
418 // make save filename\r
419 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
860c6322 420 *dst = 0;\r
421 if (prefix) {\r
422 strcpy(dst, prefix);\r
423 prefix_len = strlen(prefix);\r
424 }\r
425 strncpy(dst + prefix_len, p, 511-prefix_len);\r
cc68a136 426 dst[511-8] = 0;\r
860c6322 427 if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
428 if (ext) strcat(dst, ext);\r
cc68a136 429}\r
430\r
431\r
432static void find_combos(void)\r
433{\r
434 int act, u;\r
435\r
436 // find out which keys and actions are combos\r
437 combo_keys = combo_acts = 0;\r
438 for (act = 0; act < 32; act++)\r
439 {\r
440 int keyc = 0;\r
441 if (act == 16) continue; // player2 flag\r
442 for (u = 0; u < 32; u++)\r
443 {\r
444 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
445 }\r
446 if (keyc > 1)\r
447 {\r
448 // loop again and mark those keys and actions as combo\r
449 for (u = 0; u < 32; u++)\r
450 {\r
451 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
452 combo_keys |= 1 << u;\r
453 combo_acts |= 1 << act;\r
454 }\r
455 }\r
456 }\r
457 }\r
458 // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r
459}\r
460\r
461\r
2433f409 462void scaling_update(void)\r
463{\r
464 PicoOpt &= ~0x4100;\r
465 switch (currentConfig.scaling) {\r
466 default: break; // off\r
467 case 1: // hw hor\r
468 case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
469 case 3: PicoOpt |= 0x4000; break; // sw hor\r
470 }\r
471}\r
472\r
473\r
d524c827 474int emu_ReadConfig(int game, int no_defaults)\r
cc68a136 475{\r
476 FILE *f;\r
4e8a534c 477 char cfg[512], extbuf[16];\r
cc68a136 478 int bread = 0;\r
479\r
480 if (!game)\r
481 {\r
d524c827 482 if (!no_defaults)\r
483 {\r
484 // set default config\r
485 memset(&currentConfig, 0, sizeof(currentConfig));\r
486 currentConfig.lastRomFile[0] = 0;\r
487 currentConfig.EmuOpt = 0x1f | 0x600; // | confirm_save, cd_leds\r
488 currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940, cd_pcm, cd_cdda\r
489 currentConfig.PsndRate = 22050; // 44100;\r
490 currentConfig.PicoRegion = 0; // auto\r
491 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r
492 currentConfig.Frameskip = -1; // auto\r
493 currentConfig.CPUclock = 200;\r
494 currentConfig.volume = 50;\r
495 currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r
496 currentConfig.KeyBinds[ 4] = 1<<1;\r
497 currentConfig.KeyBinds[ 2] = 1<<2;\r
498 currentConfig.KeyBinds[ 6] = 1<<3;\r
499 currentConfig.KeyBinds[14] = 1<<4;\r
500 currentConfig.KeyBinds[13] = 1<<5;\r
501 currentConfig.KeyBinds[12] = 1<<6;\r
502 currentConfig.KeyBinds[ 8] = 1<<7;\r
503 currentConfig.KeyBinds[15] = 1<<26; // switch rend\r
504 currentConfig.KeyBinds[10] = 1<<27; // save state\r
505 currentConfig.KeyBinds[11] = 1<<28; // load state\r
506 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
507 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
508 currentConfig.gamma = 100;\r
509 currentConfig.PicoCDBuffers = 64;\r
510 currentConfig.scaling = 0;\r
511 }\r
cc68a136 512 strncpy(cfg, PicoConfigFile, 511);\r
4e8a534c 513 if (config_slot != 0)\r
514 {\r
515 char *p = strrchr(cfg, '.');\r
516 if (p == NULL) p = cfg + strlen(cfg);\r
517 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
518 strncpy(p, extbuf, 511 - (p - cfg));\r
519 }\r
cc68a136 520 cfg[511] = 0;\r
521 } else {\r
4e8a534c 522 if (config_slot != 0)\r
523 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
524 else strcpy(extbuf, ".pbcfg");\r
525 romfname_ext(cfg, "cfg/", extbuf);\r
860c6322 526 f = fopen(cfg, "rb");\r
527 if (!f) romfname_ext(cfg, NULL, ".pbcfg");\r
528 else fclose(f);\r
cc68a136 529 }\r
530\r
531 printf("emu_ReadConfig: %s ", cfg);\r
532 f = fopen(cfg, "rb");\r
533 if (f) {\r
534 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
535 fclose(f);\r
536 }\r
2433f409 537 printf(bread > 0 ? "(ok)\n" : "(failed)\n");\r
cc68a136 538\r
539 PicoOpt = currentConfig.PicoOpt;\r
540 PsndRate = currentConfig.PsndRate;\r
541 PicoRegionOverride = currentConfig.PicoRegion;\r
51a902ae 542 PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;\r
0a051f55 543 PicoCDBuffers = currentConfig.PicoCDBuffers;\r
2433f409 544 scaling_update();\r
cc68a136 545 // some sanity checks\r
721cd396 546 if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
cc68a136 547 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
721cd396 548 if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
cc68a136 549 // if volume keys are unbound, bind them to volume control\r
550 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
551 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
552 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
553 }\r
554\r
4e8a534c 555 if (bread > 0) config_slot_current = config_slot;\r
2433f409 556 return (bread > 0); // == sizeof(currentConfig));\r
cc68a136 557}\r
558\r
559\r
560int emu_WriteConfig(int game)\r
561{\r
562 FILE *f;\r
4e8a534c 563 char cfg[512], extbuf[16];\r
cc68a136 564 int bwrite = 0;\r
565\r
566 if (!game)\r
567 {\r
568 strncpy(cfg, PicoConfigFile, 511);\r
4e8a534c 569 if (config_slot != 0)\r
570 {\r
571 char *p = strrchr(cfg, '.');\r
572 if (p == NULL) p = cfg + strlen(cfg);\r
573 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
574 strncpy(p, extbuf, 511 - (p - cfg));\r
575 }\r
cc68a136 576 cfg[511] = 0;\r
577 } else {\r
4e8a534c 578 if (config_slot != 0)\r
579 sprintf(extbuf, ".%i.pbcfg", config_slot);\r
580 else strcpy(extbuf, ".pbcfg");\r
581 romfname_ext(cfg, "cfg/", extbuf);\r
cc68a136 582 }\r
583\r
584 printf("emu_WriteConfig: %s ", cfg);\r
585 f = fopen(cfg, "wb");\r
586 if (f) {\r
587 currentConfig.PicoOpt = PicoOpt;\r
588 currentConfig.PsndRate = PsndRate;\r
589 currentConfig.PicoRegion = PicoRegionOverride;\r
51a902ae 590 currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;\r
0a051f55 591 currentConfig.PicoCDBuffers = PicoCDBuffers;\r
cc68a136 592 bwrite = fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
593 fflush(f);\r
594 fclose(f);\r
2433f409 595#ifndef NO_SYNC\r
cc68a136 596 sync();\r
2433f409 597#endif\r
cc68a136 598 }\r
599 printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r
600\r
4e8a534c 601 if (bwrite == sizeof(currentConfig)) config_slot_current = config_slot;\r
cc68a136 602 return (bwrite == sizeof(currentConfig));\r
603}\r
604\r
605\r
606void emu_Deinit(void)\r
607{\r
608 // save SRAM\r
609 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
610 emu_SaveLoadGame(0, 1);\r
611 SRam.changed = 0;\r
612 }\r
613\r
2433f409 614 if (!(currentConfig.EmuOpt & 0x20)) {\r
615 FILE *f = fopen(PicoConfigFile, "r+b");\r
616 if (!f) emu_WriteConfig(0);\r
617 else {\r
618 // if we already have config, reload it, except last ROM\r
619 fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);\r
620 fread(&currentConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);\r
621 fseek(f, 0, SEEK_SET);\r
622 fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
623 fflush(f);\r
624 fclose(f);\r
625#ifndef NO_SYNC\r
626 sync();\r
627#endif\r
628 }\r
629 }\r
630\r
e5f426aa 631 free(PicoDraw2FB);\r
cc68a136 632\r
633 PicoExit();\r
cc68a136 634\r
635 // restore gamma\r
636 if (gp2x_old_gamma != 100)\r
82bc9cdd 637 set_gamma(100, 0);\r
cc68a136 638}\r
639\r
a12e0116 640static void text_out8_builtin(int x, int y, const char *text)\r
641{\r
642 int i,l,len=strlen(text);\r
643 unsigned char *screen = (unsigned char *)gp2x_screen + x + y*320;\r
644\r
645 /* always using built-in font */\r
646 for (i = 0; i < len; i++)\r
647 {\r
648 for (l=0;l<8;l++)\r
649 {\r
650 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
651 if (fd&0x80) screen[l*320+0]=0xf0;\r
652 if (fd&0x40) screen[l*320+1]=0xf0;\r
653 if (fd&0x20) screen[l*320+2]=0xf0;\r
654 if (fd&0x10) screen[l*320+3]=0xf0;\r
655 if (fd&0x08) screen[l*320+4]=0xf0;\r
656 if (fd&0x04) screen[l*320+5]=0xf0;\r
657 if (fd&0x02) screen[l*320+6]=0xf0;\r
658 if (fd&0x01) screen[l*320+7]=0xf0;\r
659 }\r
660 screen += 8;\r
661 }\r
662}\r
663\r
664static void text_out16_builtin(int x, int y, const char *text)\r
665{\r
666 int i,l,len=strlen(text);\r
667 unsigned short *screen = (unsigned short *)gp2x_screen + x + y*320;\r
668\r
669 for (i = 0; i < len; i++)\r
670 {\r
671 for (l=0;l<8;l++)\r
672 {\r
673 unsigned char fd = fontdata8x8[((text[i])*8)+l];\r
674 if(fd&0x80) screen[l*320+0]=0xffff;\r
675 if(fd&0x40) screen[l*320+1]=0xffff;\r
676 if(fd&0x20) screen[l*320+2]=0xffff;\r
677 if(fd&0x10) screen[l*320+3]=0xffff;\r
678 if(fd&0x08) screen[l*320+4]=0xffff;\r
679 if(fd&0x04) screen[l*320+5]=0xffff;\r
680 if(fd&0x02) screen[l*320+6]=0xffff;\r
681 if(fd&0x01) screen[l*320+7]=0xffff;\r
682 }\r
683 screen += 8;\r
684 }\r
685}\r
686\r
cc68a136 687\r
76276b0b 688void osd_text(int x, int y, const char *text)\r
cc68a136 689{\r
690 int len = strlen(text)*8;\r
691\r
692 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
bf098bc5 693 int *p, i, h;\r
cc68a136 694 x &= ~3; // align x\r
695 len = (len+3) >> 2;\r
696 for (h = 0; h < 8; h++) {\r
697 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
bf098bc5 698 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
cc68a136 699 }\r
a12e0116 700 text_out8_builtin(x, y, text);\r
cc68a136 701 } else {\r
702 int *p, i, h;\r
703 x &= ~1; // align x\r
704 len = (len+1) >> 1;\r
705 for (h = 0; h < 8; h++) {\r
706 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
707 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
708 }\r
a12e0116 709 text_out16_builtin(x, y, text);\r
cc68a136 710 }\r
711}\r
712\r
bf098bc5 713static void cd_leds(void)\r
714{\r
b837b69b 715 // mmu problems?\r
716// static\r
717 int old_reg;\r
718// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r
bf098bc5 719 old_reg = Pico_mcd->s68k_regs[0];\r
720\r
721 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
722 // 8-bit modes\r
723 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
724 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
4f265db7 725 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
726 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
727 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
728 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
729 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
730 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
bf098bc5 731 } else {\r
732 // 16-bit modes\r
4f265db7 733 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
bf098bc5 734 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
735 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
4f265db7 736 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
737 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
738 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
bf098bc5 739 }\r
740}\r
741\r
cc68a136 742static int EmuScan16(unsigned int num, void *sdata)\r
743{\r
744 if (!(Pico.video.reg[1]&8)) num += 8;\r
745 DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r
746\r
747 return 0;\r
748}\r
749\r
750static int EmuScan8(unsigned int num, void *sdata)\r
751{\r
752 if (!(Pico.video.reg[1]&8)) num += 8;\r
753 DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r
754\r
755 return 0;\r
756}\r
757\r
e11c5548 758int localPal[0x100];\r
cc68a136 759static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
760\r
76276b0b 761static void blit(const char *fps, const char *notice)\r
cc68a136 762{\r
bf098bc5 763 int emu_opt = currentConfig.EmuOpt;\r
764\r
cc68a136 765 if (PicoOpt&0x10) {\r
766 // 8bit fast renderer\r
767 if (Pico.m.dirtyPal) {\r
768 Pico.m.dirtyPal = 0;\r
769 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
770 // feed new palette to our device\r
771 gp2x_video_setpalette(localPal, 0x40);\r
772 }\r
e5f426aa 773 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
bf098bc5 774 } else if (!(emu_opt&0x80)) {\r
cc68a136 775 // 8bit accurate renderer\r
776 if (Pico.m.dirtyPal) {\r
777 Pico.m.dirtyPal = 0;\r
778 if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r
779 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
780 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
781 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
782 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r
bf098bc5 783 localPal[0xc0] = 0x0000c000;\r
784 localPal[0xd0] = 0x00c00000;\r
cc68a136 785 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
786 localPal[0xf0] = 0x00ffffff;\r
787 gp2x_video_setpalette(localPal, 0x100);\r
788 } else if (rendstatus & 0x20) { // mid-frame palette changes\r
789 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
790 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
791 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
792 gp2x_video_setpalette(localPal, 0xc0);\r
793 } else {\r
794 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
795 gp2x_video_setpalette(localPal, 0x40);\r
796 }\r
797 }\r
798 }\r
799\r
2433f409 800 if (notice || (emu_opt & 2)) {\r
801 int h = 232;\r
802 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
803 if (notice) osd_text(4, h, notice);\r
804 if (emu_opt & 2)\r
805 osd_text(osd_fps_x, h, fps);\r
806 }\r
bf098bc5 807 if ((emu_opt & 0x400) && (PicoMCD & 1))\r
808 cd_leds();\r
cc68a136 809\r
810 //gp2x_video_wait_vsync();\r
811 gp2x_video_flip();\r
812\r
813 if (!(PicoOpt&0x10)) {\r
814 if (!(Pico.video.reg[1]&8)) {\r
815 if (currentConfig.EmuOpt&0x80) {\r
816 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
817 } else {\r
818 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r
819 }\r
820 } else {\r
821 DrawLineDest = gp2x_screen;\r
822 }\r
823 }\r
824}\r
825\r
826\r
827// clears whole screen or just the notice area (in all buffers)\r
828static void clearArea(int full)\r
829{\r
bf098bc5 830 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
831 // 8-bit renderers\r
832 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
833 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
834 } else {\r
cc68a136 835 // 16bit accurate renderer\r
836 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
837 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
cc68a136 838 }\r
839}\r
840\r
841\r
842static void vidResetMode(void)\r
843{\r
844 if (PicoOpt&0x10) {\r
cc68a136 845 gp2x_video_changemode(8);\r
cc68a136 846 } else if (currentConfig.EmuOpt&0x80) {\r
a12e0116 847 gp2x_video_changemode(16);\r
cc68a136 848 PicoDrawSetColorFormat(1);\r
849 PicoScan = EmuScan16;\r
850 PicoScan(0, 0);\r
851 } else {\r
bf098bc5 852 gp2x_video_changemode(8);\r
853 PicoDrawSetColorFormat(2);\r
854 PicoScan = EmuScan8;\r
855 PicoScan(0, 0);\r
856 }\r
857 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
858 // setup pal for 8-bit modes\r
859 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
860 localPal[0xd0] = 0x00c00000;\r
cc68a136 861 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
862 localPal[0xf0] = 0x00ffffff;\r
cc68a136 863 gp2x_video_setpalette(localPal, 0x100);\r
864 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
865 gp2x_video_flip();\r
cc68a136 866 }\r
867 Pico.m.dirtyPal = 1;\r
868 // reset scaling\r
2433f409 869 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
870 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
871 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
cc68a136 872}\r
873\r
874\r
66fdc0f0 875static void emu_msg_cb(const char *msg)\r
876{\r
877 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
878 // 8-bit renderers\r
879 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
880 osd_text(4, 232, msg);\r
881 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);\r
882 } else {\r
883 // 16bit accurate renderer\r
884 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
885 osd_text(4, 232, msg);\r
886 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);\r
887 }\r
888 gettimeofday(&noticeMsgTime, 0);\r
889 noticeMsgTime.tv_sec -= 2;\r
7a1f6e45 890\r
891 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
892 reset_timing = 1;\r
66fdc0f0 893}\r
894\r
fa1e5e29 895static void emu_state_cb(const char *str)\r
896{\r
897 clearArea(0);\r
898 blit("", str);\r
899}\r
900\r
721cd396 901static void emu_msg_tray_open(void)\r
902{\r
903 strcpy(noticeMsg, "CD tray opened");\r
904 gettimeofday(&noticeMsgTime, 0);\r
905}\r
906\r
cc68a136 907static void RunEvents(unsigned int which)\r
908{\r
909 if(which & 0x1800) { // save or load (but not both)\r
910 int do_it = 1;\r
46969540 911 if ( emu_check_save_file(state_slot) &&\r
912 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
913 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
cc68a136 914 unsigned long keys;\r
46969540 915 blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
cc68a136 916 while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
917 usleep(50*1024);\r
918 if (keys & GP2X_X) do_it = 0;\r
919 clearArea(0);\r
920 }\r
921 if (do_it) {\r
76276b0b 922 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
fa1e5e29 923 PicoStateProgressCB = emu_state_cb;\r
924 gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
76276b0b 925 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
fa1e5e29 926 PicoStateProgressCB = NULL;\r
cc68a136 927 }\r
928\r
929 reset_timing = 1;\r
930 }\r
931 if(which & 0x0400) { // switch renderer\r
932 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
933 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
934 else currentConfig.EmuOpt &= ~0x80;\r
935\r
936 vidResetMode();\r
937\r
938 if (PicoOpt&0x10) {\r
939 strcpy(noticeMsg, " 8bit fast renderer");\r
940 } else if (currentConfig.EmuOpt&0x80) {\r
941 strcpy(noticeMsg, "16bit accurate renderer");\r
942 } else {\r
943 strcpy(noticeMsg, " 8bit accurate renderer");\r
944 }\r
945\r
946 gettimeofday(&noticeMsgTime, 0);\r
947 }\r
948 if(which & 0x0300) {\r
949 if(which&0x0200) {\r
950 state_slot -= 1;\r
951 if(state_slot < 0) state_slot = 9;\r
952 } else {\r
953 state_slot += 1;\r
954 if(state_slot > 9) state_slot = 0;\r
955 }\r
860c6322 956 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE");\r
cc68a136 957 gettimeofday(&noticeMsgTime, 0);\r
958 }\r
959 if(which & 0x0080) {\r
960 engineState = PGS_Menu;\r
961 }\r
962}\r
963\r
964\r
8c1952f0 965static void updateMovie(void)\r
966{\r
967 int offs = Pico.m.frame_count*3 + 0x40;\r
968 if (offs+3 > movie_size) {\r
969 free(movie_data);\r
970 movie_data = 0;\r
971 strcpy(noticeMsg, "END OF MOVIE.");\r
972 printf("END OF MOVIE.\n");\r
973 gettimeofday(&noticeMsgTime, 0);\r
974 } else {\r
975 // MXYZ SACB RLDU\r
976 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r
977 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r
978 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r
979 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r
980 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
981 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
982 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
983 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
984 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
985 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
986 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
987 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
988 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
989 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
990 }\r
991}\r
992\r
993\r
cc68a136 994static void updateKeys(void)\r
995{\r
996 unsigned long keys, allActions[2] = { 0, 0 }, events;\r
997 static unsigned long prevEvents = 0;\r
998 int joy, i;\r
999\r
1000 keys = gp2x_joystick_read(0);\r
1001 if (keys & GP2X_SELECT) {\r
1002 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
1003 // wait until select is released, so menu would not resume game\r
1004 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
1005 }\r
1006\r
1007 keys &= CONFIGURABLE_KEYS;\r
1008\r
1009 for (i = 0; i < 32; i++)\r
1010 {\r
1011 if (keys & (1 << i)) {\r
1012 int pl, acts = currentConfig.KeyBinds[i];\r
1013 if (!acts) continue;\r
1014 pl = (acts >> 16) & 1;\r
1015 if (combo_keys & (1 << i)) {\r
1016 int u = i+1, acts_c = acts & combo_acts;\r
1017 // let's try to find the other one\r
1018 if (acts_c)\r
1019 for (; u < 32; u++)\r
1020 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r
1021 allActions[pl] |= acts_c;\r
1022 keys &= ~((1 << i) | (1 << u));\r
1023 break;\r
1024 }\r
1025 // add non-combo actions if combo ones were not found\r
1026 if (!acts_c || u == 32)\r
1027 allActions[pl] |= acts & ~combo_acts;\r
1028 } else {\r
1029 allActions[pl] |= acts;\r
1030 }\r
1031 }\r
1032 }\r
1033\r
1034 // add joy inputs\r
1035 if (num_of_joys > 0)\r
1036 {\r
1037 gp2x_usbjoy_update();\r
1038 for (joy = 0; joy < num_of_joys; joy++) {\r
1039 int keys = gp2x_usbjoy_check2(joy);\r
1040 for (i = 0; i < 32; i++) {\r
1041 if (keys & (1 << i)) {\r
1042 int acts = currentConfig.JoyBinds[joy][i];\r
1043 int pl = (acts >> 16) & 1;\r
1044 allActions[pl] |= acts;\r
1045 }\r
1046 }\r
1047 }\r
1048 }\r
1049\r
8c1952f0 1050 PicoPad[0] = (unsigned short) allActions[0];\r
1051 PicoPad[1] = (unsigned short) allActions[1];\r
cc68a136 1052\r
1053 events = (allActions[0] | allActions[1]) >> 16;\r
1054\r
1055 // volume is treated in special way and triggered every frame\r
1056 if(events & 0x6000) {\r
1057 int vol = currentConfig.volume;\r
1058 if (events & 0x2000) {\r
721cd396 1059 if (vol < 99) vol++;\r
cc68a136 1060 } else {\r
1061 if (vol > 0) vol--;\r
1062 }\r
1063 gp2x_sound_volume(vol, vol);\r
1064 sprintf(noticeMsg, "VOL: %02i", vol);\r
1065 gettimeofday(&noticeMsgTime, 0);\r
1066 currentConfig.volume = vol;\r
1067 }\r
1068\r
1069 events &= ~prevEvents;\r
1070 if (events) RunEvents(events);\r
8c1952f0 1071 if (movie_data) updateMovie();\r
cc68a136 1072\r
1073 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
1074}\r
1075\r
cc68a136 1076\r
7a93adeb 1077static void updateSound(int len)\r
cc68a136 1078{\r
7a93adeb 1079 if (PicoOpt&8) len<<=1;\r
cc68a136 1080\r
01bc6b19 1081 /* avoid writing audio when lagging behind to prevent audio lag */\r
1082 if (PicoSkipFrame != 2)\r
1083 gp2x_sound_write(PsndOut, len<<1);\r
cc68a136 1084}\r
1085\r
1086\r
01bc6b19 1087static void SkipFrame(int do_audio)\r
cc68a136 1088{\r
01bc6b19 1089 PicoSkipFrame=do_audio ? 1 : 2;\r
cc68a136 1090 PicoFrame();\r
1091 PicoSkipFrame=0;\r
cc68a136 1092}\r
1093\r
1094\r
860c6322 1095void emu_forced_frame(void)\r
1096{\r
1097 int po_old = PicoOpt;\r
a12e0116 1098 int eo_old = currentConfig.EmuOpt;\r
1099\r
1100 PicoOpt &= ~0x0010;\r
1101 PicoOpt |= 0x4080; // soft_scale | acc_sprites\r
1102 currentConfig.EmuOpt |= 0x80;\r
860c6322 1103\r
a12e0116 1104 //vidResetMode();\r
1105 PicoDrawSetColorFormat(1);\r
1106 PicoScan = EmuScan16;\r
1107 PicoScan(0, 0);\r
1108 Pico.m.dirtyPal = 1;\r
1109 PicoFrameDrawOnly();\r
860c6322 1110\r
a12e0116 1111/*\r
860c6322 1112 if (!(Pico.video.reg[12]&1)) {\r
68cba51e 1113 vidCpyM2 = vidCpyM2_32col;\r
860c6322 1114 clearArea(1);\r
68cba51e 1115 } else vidCpyM2 = vidCpyM2_40col;\r
860c6322 1116\r
e5f426aa 1117 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
860c6322 1118 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
1119 gp2x_video_setpalette(localPal, 0x40);\r
a12e0116 1120*/\r
48e8482f 1121 PicoOpt = po_old;\r
a12e0116 1122 currentConfig.EmuOpt = eo_old;\r
860c6322 1123}\r
1124\r
cc68a136 1125static void simpleWait(int thissec, int lim_time)\r
1126{\r
1127 struct timeval tval;\r
1128\r
1129 spend_cycles(1024);\r
1130 gettimeofday(&tval, 0);\r
1131 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1132\r
1133 while(tval.tv_usec < lim_time)\r
1134 {\r
1135 spend_cycles(1024);\r
1136 gettimeofday(&tval, 0);\r
1137 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1138 }\r
1139}\r
1140\r
1141\r
1142void emu_Loop(void)\r
1143{\r
1144 static int gp2x_old_clock = 200;\r
aae35e84 1145 static int PsndRate_old = 0, PicoOpt_old = 0, EmuOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r
cc68a136 1146 char fpsbuff[24]; // fps count c string\r
1147 struct timeval tval; // timing\r
1148 int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r
aae35e84 1149 int target_fps, target_frametime, lim_time, vsync_offset, i;\r
cc68a136 1150 char *notice = 0;\r
1151\r
1152 printf("entered emu_Loop()\n");\r
1153\r
1154 if (gp2x_old_clock != currentConfig.CPUclock) {\r
1155 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
1156 set_FCLK(currentConfig.CPUclock);\r
1157 gp2x_old_clock = currentConfig.CPUclock;\r
1158 printf(" done\n");\r
1159 }\r
1160\r
82bc9cdd 1161 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
1162 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
cc68a136 1163 gp2x_old_gamma = currentConfig.gamma;\r
82bc9cdd 1164 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
cc68a136 1165 }\r
1166\r
aae35e84 1167 if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
1168 if (currentConfig.EmuOpt&0x2000)\r
1169 set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
1170 else unset_LCD_custom_rate();\r
1171 }\r
1172\r
1173 EmuOpt_old = currentConfig.EmuOpt;\r
cc68a136 1174 fpsbuff[0] = 0;\r
1175\r
1176 // make sure we are in correct mode\r
1177 vidResetMode();\r
e11c5548 1178 Pico.m.dirtyPal = 1;\r
cc68a136 1179 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
1180 find_combos();\r
1181\r
1182 // pal/ntsc might have changed, reset related stuff\r
1183 target_fps = Pico.m.pal ? 50 : 60;\r
1184 target_frametime = 1000000/target_fps;\r
1185 reset_timing = 1;\r
1186\r
1187 // prepare sound stuff\r
1188 if(currentConfig.EmuOpt & 4) {\r
7a93adeb 1189 int snd_excess_add;\r
1dceadae 1190 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
1191 ((PicoOpt&0x200) && crashed_940)) {\r
cc68a136 1192 /* if 940 is turned off, we need it to be put back to sleep */\r
1193 if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r
b837b69b 1194 Reset940(1, 2);\r
cc68a136 1195 Pause940(1);\r
1196 }\r
1dceadae 1197 sound_rerate(Pico.m.frame_count ? 1 : 0);\r
cc68a136 1198 }\r
cc68a136 1199 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
1dceadae 1200 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
1201 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
cc68a136 1202 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
1203 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
1204 PicoWriteSound = updateSound;\r
7a93adeb 1205 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1206 PsndOut = sndBuffer;\r
cc68a136 1207 PsndRate_old = PsndRate;\r
1208 PsndLen_real = PsndLen;\r
1209 PicoOpt_old = PicoOpt;\r
1210 pal_old = Pico.m.pal;\r
1211 } else {\r
1212 PsndOut = 0;\r
1213 }\r
1214\r
0a051f55 1215 // prepare CD buffer\r
1216 if (PicoMCD & 1) PicoCDBufferInit();\r
1217\r
aae35e84 1218 // calc vsync offset to sync timing code with vsync\r
1219 if (currentConfig.EmuOpt&0x2000) {\r
1220 gettimeofday(&tval, 0);\r
1221 gp2x_video_wait_vsync();\r
1222 gettimeofday(&tval, 0);\r
1223 vsync_offset = tval.tv_usec;\r
1224 while (vsync_offset >= target_frametime)\r
1225 vsync_offset -= target_frametime;\r
1226 if (!vsync_offset) vsync_offset++;\r
1227 printf("vsync_offset: %i\n", vsync_offset);\r
1228 } else\r
1229 vsync_offset = 0;\r
1230\r
cc68a136 1231 // loop?\r
1232 while (engineState == PGS_Running)\r
1233 {\r
1234 int modes;\r
1235\r
1236 gettimeofday(&tval, 0);\r
1237 if(reset_timing) {\r
1238 reset_timing = 0;\r
1239 thissec = tval.tv_sec;\r
1240 frames_shown = frames_done = tval.tv_usec/target_frametime;\r
1241 }\r
1242\r
1243 // show notice message?\r
1244 if(noticeMsgTime.tv_sec) {\r
1245 static int noticeMsgSum;\r
1246 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
1247 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
1248 clearArea(0);\r
1249 notice = 0;\r
1250 } else {\r
1251 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
1252 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
1253 notice = noticeMsg;\r
1254 }\r
1255 }\r
1256\r
1257 // check for mode changes\r
1258 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
1259 if (modes != oldmodes) {\r
1260 int scalex = 320;\r
1261 osd_fps_x = OSD_FPS_X;\r
1262 if (modes & 4) {\r
1263 vidCpyM2 = vidCpyM2_40col;\r
1264 } else {\r
1265 if (PicoOpt & 0x100) {\r
1266 vidCpyM2 = vidCpyM2_32col_nobord;\r
1267 scalex = 256;\r
1268 osd_fps_x = OSD_FPS_X - 64;\r
1269 } else {\r
1270 vidCpyM2 = vidCpyM2_32col;\r
1271 }\r
1272 }\r
2433f409 1273 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
1274 gp2x_video_RGB_setscaling(8, scalex, 224);\r
1275 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
cc68a136 1276 oldmodes = modes;\r
1277 clearArea(1);\r
1278 }\r
1279\r
1280 // second changed?\r
1281 if(thissec != tval.tv_sec) {\r
1282#ifdef BENCHMARK\r
1283 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1284 if(++bench == 10) {\r
1285 bench = 0;\r
1286 bench_fps_s = bench_fps;\r
1287 bf[bfp++ & 3] = bench_fps;\r
1288 bench_fps = 0;\r
1289 }\r
1290 bench_fps += frames_shown;\r
1291 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
1292#else\r
1293 if(currentConfig.EmuOpt & 2)\r
1294 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1295#endif\r
1296 thissec = tval.tv_sec;\r
1297\r
1298 if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
1299 frames_done = frames_shown = 0;\r
1300 } else {\r
1301 // it is quite common for this implementation to leave 1 fame unfinished\r
1302 // when second changes, but we don't want buffer to starve.\r
1303 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r
1304 updateKeys();\r
01bc6b19 1305 SkipFrame(1); frames_done++;\r
cc68a136 1306 }\r
1307\r
1308 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r
1309 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r
1310 if (frames_shown > frames_done) frames_shown = frames_done;\r
1311 }\r
1312 }\r
1dceadae 1313#ifdef PFRAMES\r
1314 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
1315#endif\r
aae35e84 1316\r
1317 lim_time = (frames_done+1) * target_frametime + vsync_offset;\r
cc68a136 1318 if(currentConfig.Frameskip >= 0) { // frameskip enabled\r
1319 for(i = 0; i < currentConfig.Frameskip; i++) {\r
1320 updateKeys();\r
01bc6b19 1321 SkipFrame(1); frames_done++;\r
cc68a136 1322 if (PsndOut) { // do framelimitting if sound is enabled\r
1323 gettimeofday(&tval, 0);\r
1324 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1325 if(tval.tv_usec < lim_time) { // we are too fast\r
1326 simpleWait(thissec, lim_time);\r
1327 }\r
1328 }\r
1329 lim_time += target_frametime;\r
1330 }\r
1331 } else if(tval.tv_usec > lim_time) { // auto frameskip\r
1332 // no time left for this frame - skip\r
4ff2d527 1333 if (tval.tv_usec - lim_time >= 0x300000) {\r
1334 /* something caused a slowdown for us (disk access? cache flush?)\r
1335 * try to recover by resetting timing... */\r
1336 reset_timing = 1;\r
1337 continue;\r
1338 }\r
cc68a136 1339 updateKeys();\r
00bd648e 1340 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); frames_done++;\r
cc68a136 1341 continue;\r
1342 }\r
1343\r
1344 updateKeys();\r
1345 PicoFrame();\r
1346\r
312e9ce1 1347#if 0\r
1348if (Pico.m.frame_count == 31563) {\r
1349 FILE *f;\r
1350 f = fopen("ram_p.bin", "wb");\r
1351 if (!f) { printf("!f\n"); exit(1); }\r
1352 fwrite(Pico.ram, 1, 0x10000, f);\r
1353 fclose(f);\r
1354 exit(0);\r
1355}\r
1356#endif\r
4f672280 1357#if 0\r
1358 // debug\r
1359 {\r
312e9ce1 1360 #define BYTE unsigned char\r
1361 #define WORD unsigned short\r
1362 struct\r
1363 {\r
1364 BYTE IDLength; /* 00h Size of Image ID field */\r
1365 BYTE ColorMapType; /* 01h Color map type */\r
1366 BYTE ImageType; /* 02h Image type code */\r
1367 WORD CMapStart; /* 03h Color map origin */\r
1368 WORD CMapLength; /* 05h Color map length */\r
1369 BYTE CMapDepth; /* 07h Depth of color map entries */\r
1370 WORD XOffset; /* 08h X origin of image */\r
1371 WORD YOffset; /* 0Ah Y origin of image */\r
1372 WORD Width; /* 0Ch Width of image */\r
1373 WORD Height; /* 0Eh Height of image */\r
1374 BYTE PixelDepth; /* 10h Image pixel size */\r
1375 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
1376 } __attribute__((packed)) TGAHEAD;\r
1377 static unsigned short oldscr[320*240];\r
4f672280 1378 FILE *f; char name[128]; int i;\r
312e9ce1 1379\r
1380 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
1381 TGAHEAD.ImageType = 2;\r
1382 TGAHEAD.Width = 320;\r
1383 TGAHEAD.Height = 240;\r
1384 TGAHEAD.PixelDepth = 16;\r
1385 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
1386\r
1387 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
1388\r
1389 for (i = 0; i < 320*240; i++)\r
1390 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
1391 if (i < 320*240)\r
4f672280 1392 {\r
312e9ce1 1393 for (i = 0; i < 320*240; i++)\r
1394 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
1395 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
4f672280 1396 f = fopen(name, "wb");\r
1397 if (!f) { printf("!f\n"); exit(1); }\r
312e9ce1 1398 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
1399 fwrite(oldscr, 1, 320*240*2, f);\r
4f672280 1400 fclose(f);\r
1401 }\r
1402 }\r
1403#endif\r
1404\r
cc68a136 1405 // check time\r
1406 gettimeofday(&tval, 0);\r
4ff2d527 1407 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
cc68a136 1408\r
4ff2d527 1409 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 0x300000) // slowdown detection\r
1410 reset_timing = 1;\r
1411 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
cc68a136 1412 {\r
aae35e84 1413 // sleep or vsync if we are still too fast\r
cc68a136 1414 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
cc68a136 1415 if(tval.tv_usec < lim_time)\r
1416 {\r
1417 // we are too fast\r
aae35e84 1418 if (vsync_offset) {\r
1419 if (lim_time - tval.tv_usec > target_frametime/2)\r
1420 simpleWait(thissec, lim_time - target_frametime/4);\r
1421 gp2x_video_wait_vsync();\r
1422 } else {\r
1423 simpleWait(thissec, lim_time);\r
1424 }\r
cc68a136 1425 }\r
1426 }\r
1427\r
1428 blit(fpsbuff, notice);\r
1429\r
1430 frames_done++; frames_shown++;\r
1431 }\r
1432\r
0a051f55 1433\r
1434 if (PicoMCD & 1) PicoCDBufferFree();\r
1435\r
cc68a136 1436 // save SRAM\r
1437 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
6cadc2da 1438 emu_state_cb("Writing SRAM/BRAM..");\r
cc68a136 1439 emu_SaveLoadGame(0, 1);\r
1440 SRam.changed = 0;\r
1441 }\r
e11c5548 1442\r
a12e0116 1443 // if in 8bit mode, generate 16bit image for menu background\r
1444 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
860c6322 1445 emu_forced_frame();\r
cc68a136 1446}\r
1447\r
1448\r
1449void emu_ResetGame(void)\r
1450{\r
1451 PicoReset(0);\r
1452 reset_timing = 1;\r
1453}\r
1454\r
1455\r
1456size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
1457{\r
1458 return gzread(file, p, _n);\r
1459}\r
1460\r
1461\r
1462size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
1463{\r
1464 return gzwrite(file, p, _n);\r
1465}\r
1466\r
860c6322 1467static int try_ropen_file(const char *fname)\r
1468{\r
1469 FILE *f;\r
1470\r
1471 f = fopen(fname, "rb");\r
1472 if (f) {\r
1473 fclose(f);\r
1474 return 1;\r
1475 }\r
1476 return 0;\r
1477}\r
1478\r
1479char *emu_GetSaveFName(int load, int is_sram, int slot)\r
1480{\r
1481 static char saveFname[512];\r
1482 char ext[16];\r
1483\r
1484 if (is_sram)\r
1485 {\r
1486 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");\r
1487 if (load) {\r
1488 if (try_ropen_file(saveFname)) return saveFname;\r
1489 // try in current dir..\r
1490 romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");\r
1491 if (try_ropen_file(saveFname)) return saveFname;\r
1492 return NULL; // give up\r
1493 }\r
1494 }\r
1495 else\r
1496 {\r
1497 ext[0] = 0;\r
1498 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1499 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
1500\r
1501 romfname_ext(saveFname, "mds/", ext);\r
1502 if (load) {\r
1503 if (try_ropen_file(saveFname)) return saveFname;\r
1504 romfname_ext(saveFname, NULL, ext);\r
1505 if (try_ropen_file(saveFname)) return saveFname;\r
1506 if (currentConfig.EmuOpt & 8) {\r
1507 ext[0] = 0;\r
1508 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1509 strcat(ext, ".mds");\r
1510\r
1511 romfname_ext(saveFname, "mds/", ext);\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 }\r
1516 return NULL;\r
1517 }\r
1518 }\r
1519\r
1520 return saveFname;\r
1521}\r
1522\r
1523int emu_check_save_file(int slot)\r
1524{\r
1525 return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
1526}\r
1527\r
1528void emu_set_save_cbs(int gz)\r
1529{\r
1530 if (gz) {\r
1531 areaRead = gzRead2;\r
1532 areaWrite = gzWrite2;\r
1533 areaEof = (areaeof *) gzeof;\r
1534 areaSeek = (areaseek *) gzseek;\r
1535 areaClose = (areaclose *) gzclose;\r
1536 } else {\r
1537 areaRead = (arearw *) fread;\r
1538 areaWrite = (arearw *) fwrite;\r
1539 areaEof = (areaeof *) feof;\r
1540 areaSeek = (areaseek *) fseek;\r
1541 areaClose = (areaclose *) fclose;\r
1542 }\r
1543}\r
cc68a136 1544\r
1545int emu_SaveLoadGame(int load, int sram)\r
1546{\r
1547 int ret = 0;\r
860c6322 1548 char *saveFname;\r
cc68a136 1549\r
1550 // make save filename\r
860c6322 1551 saveFname = emu_GetSaveFName(load, sram, state_slot);\r
1552 if (saveFname == NULL) {\r
68cba51e 1553 if (!sram) {\r
1554 strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED ");\r
1555 gettimeofday(&noticeMsgTime, 0);\r
1556 }\r
860c6322 1557 return -1;\r
cc68a136 1558 }\r
1559\r
1560 printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
1561\r
1562 if(sram) {\r
1563 FILE *sramFile;\r
ab0607f7 1564 int sram_size;\r
1565 unsigned char *sram_data;\r
6cadc2da 1566 int truncate = 1;\r
ab0607f7 1567 if (PicoMCD&1) {\r
6cadc2da 1568 if (PicoOpt&0x8000) { // MCD RAM cart?\r
1569 sram_size = 0x12000;\r
1570 sram_data = SRam.data;\r
1571 if (sram_data)\r
1572 memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
1573 } else {\r
1574 sram_size = 0x2000;\r
1575 sram_data = Pico_mcd->bram;\r
1576 truncate = 0; // the .brm may contain RAM cart data after normal brm\r
1577 }\r
ab0607f7 1578 } else {\r
1579 sram_size = SRam.end-SRam.start+1;\r
1dceadae 1580 if(Pico.m.sram_reg & 4) sram_size=0x2000;\r
ab0607f7 1581 sram_data = SRam.data;\r
1582 }\r
6cadc2da 1583 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
ab0607f7 1584\r
6cadc2da 1585 if (load) {\r
cc68a136 1586 sramFile = fopen(saveFname, "rb");\r
1587 if(!sramFile) return -1;\r
ab0607f7 1588 fread(sram_data, 1, sram_size, sramFile);\r
cc68a136 1589 fclose(sramFile);\r
6cadc2da 1590 if ((PicoMCD&1) && (PicoOpt&0x8000))\r
1591 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
cc68a136 1592 } else {\r
1593 // sram save needs some special processing\r
1594 // see if we have anything to save\r
6cadc2da 1595 for (; sram_size > 0; sram_size--)\r
1596 if (sram_data[sram_size-1]) break;\r
cc68a136 1597\r
6cadc2da 1598 if (sram_size) {\r
1599 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
18e95d7f 1600 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
1601 if (!sramFile) return -1;\r
ab0607f7 1602 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
cc68a136 1603 ret = (ret != sram_size) ? -1 : 0;\r
1604 fclose(sramFile);\r
2433f409 1605#ifndef NO_SYNC\r
cc68a136 1606 sync();\r
2433f409 1607#endif\r
cc68a136 1608 }\r
1609 }\r
1610 return ret;\r
ab0607f7 1611 }\r
1612 else\r
1613 {\r
cc68a136 1614 void *PmovFile = NULL;\r
860c6322 1615 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) {\r
cc68a136 1616 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
860c6322 1617 emu_set_save_cbs(1);\r
cc68a136 1618 if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
860c6322 1619 }\r
cc68a136 1620 }\r
860c6322 1621 else\r
1622 {\r
cc68a136 1623 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
860c6322 1624 emu_set_save_cbs(0);\r
cc68a136 1625 }\r
1626 }\r
1627 if(PmovFile) {\r
75736070 1628 ret = PmovState(load ? 6 : 5, PmovFile);\r
860c6322 1629 areaClose(PmovFile);\r
cc68a136 1630 PmovFile = 0;\r
2433f409 1631 if (load) Pico.m.dirtyPal=1;\r
1632#ifndef NO_SYNC\r
1633 else sync();\r
1634#endif\r
75736070 1635 }\r
1636 else ret = -1;\r
1637 if (!ret)\r
1638 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r
1639 else\r
1640 {\r
cc68a136 1641 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r
1642 ret = -1;\r
1643 }\r
1644\r
1645 gettimeofday(&noticeMsgTime, 0);\r
1646 return ret;\r
1647 }\r
1648}\r
fast MegaDrive/MegaCD/32X emulator