1 // (c) Copyright 2006 notaz, All rights reserved.
\r
2 // Free for non-commercial use.
\r
4 // For commercial use, separate licencing terms must be obtained.
\r
8 #include <sys/time.h>
\r
9 #include <linux/limits.h>
\r
19 #include "asmutils.h"
\r
20 #include "cpuctrl.h"
\r
22 #include "Pico/PicoInt.h"
\r
23 #include "zlib/zlib.h"
\r
27 #define OSD_FPS_X 220
\r
29 #define OSD_FPS_X 260
\r
32 // PicoPad[] format: SACB RLDU
\r
33 char *actionNames[] = {
\r
34 "UP", "DOWN", "LEFT", "RIGHT", "B", "C", "A", "START",
\r
35 0, 0, 0, 0, 0, 0, 0, 0, // Z, Y, X, MODE (enabled only when needed), ?, ?, ?, ?
\r
36 0, 0, 0, 0, 0, 0, 0, "ENTER MENU", // player2_flag, ?, ?, ?, ?, ?, ?, menu
\r
37 "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",
\r
38 "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"
\r
42 int select_exits = 0;
\r
43 char *PicoConfigFile = "picoconfig.bin";
\r
44 currentConfig_t currentConfig;
\r
46 char romFileName[PATH_MAX];
\r
47 unsigned char *rom_data = NULL;
\r
49 extern int crashed_940;
\r
51 static char noticeMsg[64]; // notice msg to draw
\r
52 static struct timeval noticeMsgTime = { 0, 0 }; // when started showing
\r
53 static int reset_timing, osd_fps_x;
\r
54 static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos
\r
55 static int gp2x_old_gamma = 100;
\r
56 static unsigned char *movie_data = NULL;
\r
57 static int movie_size = 0;
\r
58 unsigned char *framebuff = 0; // temporary buffer for alt renderer
\r
63 static FILE *logf = NULL;
\r
65 void pprintf(char *texto, ...)
\r
69 va_start(args,texto);
\r
70 vfprintf(logf,texto,args);
\r
77 static void strlwr(char* string)
\r
79 while ( (*string++ = (char)tolower(*string)) );
\r
82 static int try_rfn_ext(char *ext)
\r
87 p = romFileName + strlen(romFileName) - 4;
\r
88 if (p < romFileName) p = romFileName;
\r
91 if((tmp = fopen(romFileName, "rb"))) {
\r
98 int emu_ReloadRom(void)
\r
100 unsigned int rom_size = 0;
\r
105 printf("emu_ReloadRom(%s)\n", romFileName);
\r
107 // detect wrong extensions (.srm and .mds)
\r
108 p = romFileName + strlen(romFileName) - 4;
\r
109 if (p < romFileName) p = romFileName;
\r
110 strncpy(ext, p, 4);
\r
114 if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
\r
115 sprintf(menuErrorMsg, "Not a ROM selected.");
\r
119 // check for movie file
\r
124 if(!strcmp(ext, ".gmv")) {
\r
125 // check for both gmv and rom
\r
127 FILE *movie_file = fopen(romFileName, "rb");
\r
129 sprintf(menuErrorMsg, "Failed to open movie.");
\r
132 fseek(movie_file, 0, SEEK_END);
\r
133 movie_size = ftell(movie_file);
\r
134 fseek(movie_file, 0, SEEK_SET);
\r
135 if(movie_size < 64+3) {
\r
136 sprintf(menuErrorMsg, "Invalid GMV file.");
\r
137 fclose(movie_file);
\r
140 movie_data = malloc(movie_size);
\r
141 if(movie_data == NULL) {
\r
142 sprintf(menuErrorMsg, "low memory.");
\r
143 fclose(movie_file);
\r
146 fread(movie_data, 1, movie_size, movie_file);
\r
147 fclose(movie_file);
\r
148 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
\r
149 sprintf(menuErrorMsg, "Invalid GMV file.");
\r
152 dummy = try_rfn_ext(".zip") || try_rfn_ext(".bin") ||
\r
153 try_rfn_ext(".smd") || try_rfn_ext(".gen");
\r
155 sprintf(menuErrorMsg, "Could't find a ROM for movie.");
\r
160 rom = fopen(romFileName, "rb");
\r
162 sprintf(menuErrorMsg, "Failed to open rom.");
\r
173 if(!strcasecmp(ext, ".zip")) {
\r
175 ret = CartLoadZip(romFileName, &rom_data, &rom_size);
\r
177 if (ret == 4) strcpy(menuErrorMsg, "No ROMs in zip found.");
\r
178 else sprintf(menuErrorMsg, "Unzip failed with code %i", ret);
\r
179 printf("%s\n", menuErrorMsg);
\r
183 if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
\r
184 sprintf(menuErrorMsg, "PicoCartLoad() failed.");
\r
185 printf("%s\n", menuErrorMsg);
\r
192 // detect wrong files (Pico crashes on very small files), also see if ROM EP is good
\r
193 if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
\r
194 ((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
\r
195 if (rom_data) free(rom_data);
\r
197 sprintf(menuErrorMsg, "Not a ROM selected.");
\r
201 printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
\r
202 if(PicoCartInsert(rom_data, rom_size)) {
\r
203 sprintf(menuErrorMsg, "Failed to load ROM.");
\r
207 // load config for this ROM
\r
208 ret = emu_ReadConfig(1);
\r
212 // emu_ReadConfig() might have messed currentConfig.lastRomFile
\r
213 strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);
\r
214 currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;
\r
216 // additional movie stuff
\r
218 if(movie_data[0x14] == '6')
\r
219 PicoOpt |= 0x20; // 6 button pad
\r
220 else PicoOpt &= ~0x20;
\r
221 PicoOpt |= 0x40; // accurate timing
\r
222 if(movie_data[0xF] >= 'A') {
\r
223 if(movie_data[0x16] & 0x80) {
\r
224 PicoRegionOverride = 8;
\r
226 PicoRegionOverride = 4;
\r
229 // TODO: bits 6 & 5
\r
231 movie_data[0x18+30] = 0;
\r
232 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
\r
237 strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
\r
239 strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
\r
242 gettimeofday(¬iceMsgTime, 0);
\r
244 // load SRAM for this ROM
\r
245 if(currentConfig.EmuOpt & 1)
\r
246 emu_SaveLoadGame(1, 1);
\r
248 Pico.m.frame_count = 0;
\r
254 void emu_Init(void)
\r
256 // make temp buffer for alt renderer
\r
257 framebuff = malloc((8+320)*(8+240+8));
\r
260 printf("framebuff == 0\n");
\r
265 // logf = fopen("log.txt", "w");
\r
269 static void romfname_ext(char *dst, char *ext)
\r
273 // make save filename
\r
274 for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;
\r
275 strncpy(dst, p, 511);
\r
277 if(dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;
\r
282 static void find_combos(void)
\r
286 // find out which keys and actions are combos
\r
287 combo_keys = combo_acts = 0;
\r
288 for (act = 0; act < 32; act++)
\r
291 if (act == 16) continue; // player2 flag
\r
292 for (u = 0; u < 32; u++)
\r
294 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
\r
298 // loop again and mark those keys and actions as combo
\r
299 for (u = 0; u < 32; u++)
\r
301 if (currentConfig.KeyBinds[u] & (1 << act)) {
\r
302 combo_keys |= 1 << u;
\r
303 combo_acts |= 1 << act;
\r
308 // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);
\r
312 int emu_ReadConfig(int game)
\r
320 // set default config
\r
321 memset(¤tConfig, 0, sizeof(currentConfig));
\r
322 currentConfig.lastRomFile[0] = 0;
\r
323 currentConfig.EmuOpt = 0x1f;
\r
324 currentConfig.PicoOpt = 0x0f;
\r
325 currentConfig.PsndRate = 22050;
\r
326 currentConfig.PicoRegion = 0; // auto
\r
327 currentConfig.Frameskip = -1; // auto
\r
328 currentConfig.CPUclock = 200;
\r
329 currentConfig.volume = 50;
\r
330 currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU
\r
331 currentConfig.KeyBinds[ 4] = 1<<1;
\r
332 currentConfig.KeyBinds[ 2] = 1<<2;
\r
333 currentConfig.KeyBinds[ 6] = 1<<3;
\r
334 currentConfig.KeyBinds[14] = 1<<4;
\r
335 currentConfig.KeyBinds[13] = 1<<5;
\r
336 currentConfig.KeyBinds[12] = 1<<6;
\r
337 currentConfig.KeyBinds[ 8] = 1<<7;
\r
338 currentConfig.KeyBinds[15] = 1<<26; // switch rend
\r
339 currentConfig.KeyBinds[10] = 1<<27; // save state
\r
340 currentConfig.KeyBinds[11] = 1<<28; // load state
\r
341 currentConfig.KeyBinds[23] = 1<<29; // vol up
\r
342 currentConfig.KeyBinds[22] = 1<<30; // vol down
\r
343 currentConfig.gamma = 100;
\r
344 strncpy(cfg, PicoConfigFile, 511);
\r
347 romfname_ext(cfg, ".pbcfg");
\r
350 printf("emu_ReadConfig: %s ", cfg);
\r
351 f = fopen(cfg, "rb");
\r
353 bread = fread(¤tConfig, 1, sizeof(currentConfig), f);
\r
356 printf((bread == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");
\r
358 PicoOpt = currentConfig.PicoOpt;
\r
359 PsndRate = currentConfig.PsndRate;
\r
360 PicoRegionOverride = currentConfig.PicoRegion;
\r
361 if (PicoOpt & 0x20) {
\r
362 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";
\r
363 actionNames[10] = "X"; actionNames[11] = "MODE";
\r
365 // some sanity checks
\r
366 if (currentConfig.CPUclock < 1 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
\r
367 if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
\r
368 // if volume keys are unbound, bind them to volume control
\r
369 if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
\r
370 currentConfig.KeyBinds[23] = 1<<29; // vol up
\r
371 currentConfig.KeyBinds[22] = 1<<30; // vol down
\r
374 return (bread == sizeof(currentConfig));
\r
378 int emu_WriteConfig(int game)
\r
386 strncpy(cfg, PicoConfigFile, 511);
\r
389 romfname_ext(cfg, ".pbcfg");
\r
392 printf("emu_WriteConfig: %s ", cfg);
\r
393 f = fopen(cfg, "wb");
\r
395 currentConfig.PicoOpt = PicoOpt;
\r
396 currentConfig.PsndRate = PsndRate;
\r
397 currentConfig.PicoRegion = PicoRegionOverride;
\r
398 bwrite = fwrite(¤tConfig, 1, sizeof(currentConfig), f);
\r
403 printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");
\r
405 return (bwrite == sizeof(currentConfig));
\r
409 void emu_Deinit(void)
\r
412 if((currentConfig.EmuOpt & 1) && SRam.changed) {
\r
413 emu_SaveLoadGame(0, 1);
\r
417 if (!(currentConfig.EmuOpt & 0x20))
\r
418 emu_WriteConfig(0);
\r
425 if (gp2x_old_gamma != 100)
\r
430 void osd_text(int x, int y, char *text)
\r
432 int len = strlen(text)*8;
\r
434 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {
\r
435 int *p, i, h, black, white;
\r
436 if (PicoOpt&0x10) {
\r
437 black = 0x40404040; white = 0x41;
\r
439 black = 0xe0e0e0e0; white = 0xf0;
\r
441 x &= ~3; // align x
\r
442 len = (len+3) >> 2;
\r
443 for (h = 0; h < 8; h++) {
\r
444 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));
\r
445 for (i = len; i; i--, p++) *p = black;
\r
447 gp2x_text_out8_2(x, y, text, white);
\r
450 x &= ~1; // align x
\r
451 len = (len+1) >> 1;
\r
452 for (h = 0; h < 8; h++) {
\r
453 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));
\r
454 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;
\r
456 gp2x_text_out15(x, y, text);
\r
460 static int EmuScan16(unsigned int num, void *sdata)
\r
462 if (!(Pico.video.reg[1]&8)) num += 8;
\r
463 DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);
\r
468 static int EmuScan8(unsigned int num, void *sdata)
\r
470 if (!(Pico.video.reg[1]&8)) num += 8;
\r
471 DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);
\r
476 static int localPal[0x100];
\r
477 static void (*vidCpyM2)(void *dest, void *src) = NULL;
\r
479 static void blit(char *fps, char *notice)
\r
481 if (PicoOpt&0x10) {
\r
482 // 8bit fast renderer
\r
483 if (Pico.m.dirtyPal) {
\r
484 Pico.m.dirtyPal = 0;
\r
485 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
\r
486 // feed new palette to our device
\r
487 gp2x_video_setpalette(localPal, 0x40);
\r
489 vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);
\r
490 } else if (!(currentConfig.EmuOpt&0x80)) {
\r
491 // 8bit accurate renderer
\r
492 if (Pico.m.dirtyPal) {
\r
493 Pico.m.dirtyPal = 0;
\r
494 if(Pico.video.reg[0xC]&8) { // shadow/hilight mode
\r
495 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
\r
496 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);
\r
497 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);
\r
498 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);
\r
499 localPal[0xe0] = 0x00000000; // reserved pixels for OSD
\r
500 localPal[0xf0] = 0x00ffffff;
\r
501 gp2x_video_setpalette(localPal, 0x100);
\r
502 } else if (rendstatus & 0x20) { // mid-frame palette changes
\r
503 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
\r
504 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);
\r
505 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);
\r
506 gp2x_video_setpalette(localPal, 0xc0);
\r
508 vidConvCpyRGB32(localPal, Pico.cram, 0x40);
\r
509 gp2x_video_setpalette(localPal, 0x40);
\r
514 if (notice) osd_text(4, 232, notice);
\r
515 if (currentConfig.EmuOpt & 2)
\r
516 osd_text(osd_fps_x, 232, fps);
\r
518 //gp2x_video_wait_vsync();
\r
521 if (!(PicoOpt&0x10)) {
\r
522 if (!(Pico.video.reg[1]&8)) {
\r
523 if (currentConfig.EmuOpt&0x80) {
\r
524 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;
\r
526 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;
\r
529 DrawLineDest = gp2x_screen;
\r
535 // clears whole screen or just the notice area (in all buffers)
\r
536 static void clearArea(int full)
\r
538 if (PicoOpt&0x10) {
\r
539 // 8bit fast renderer
\r
540 if (full) gp2x_memset_all_buffers(0, 0x40, 320*240);
\r
541 else gp2x_memset_all_buffers(320*232, 0x40, 320*8);
\r
542 } else if (currentConfig.EmuOpt&0x80) {
\r
543 // 16bit accurate renderer
\r
544 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);
\r
545 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);
\r
547 // 8bit accurate renderer
\r
548 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);
\r
549 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);
\r
554 static void vidResetMode(void)
\r
556 if (PicoOpt&0x10) {
\r
557 localPal[0x40] = 0;
\r
558 localPal[0x41] = 0x00ffffff;
\r
559 gp2x_video_changemode(8);
\r
560 gp2x_video_setpalette(localPal, 0x42);
\r
561 gp2x_memset_all_buffers(0, 0x40, 320*240);
\r
563 } else if (currentConfig.EmuOpt&0x80) {
\r
564 gp2x_video_changemode(15);
\r
565 PicoDrawSetColorFormat(1);
\r
566 PicoScan = EmuScan16;
\r
569 localPal[0xe0] = 0x00000000; // reserved pixels for OSD
\r
570 localPal[0xf0] = 0x00ffffff;
\r
571 gp2x_video_changemode(8);
\r
572 gp2x_video_setpalette(localPal, 0x100);
\r
573 gp2x_memset_all_buffers(0, 0xe0, 320*240);
\r
575 PicoDrawSetColorFormat(2);
\r
576 PicoScan = EmuScan8;
\r
579 Pico.m.dirtyPal = 1;
\r
581 gp2x_video_RGB_setscaling((PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);
\r
585 static int check_save_file(void)
\r
587 char saveFname[512];
\r
592 if(state_slot > 0 && state_slot < 10) sprintf(ext, ".%i", state_slot);
\r
593 strcat(ext, ".mds");
\r
594 if(currentConfig.EmuOpt & 8) strcat(ext, ".gz");
\r
596 romfname_ext(saveFname, ext);
\r
597 if ((f = fopen(saveFname, "rb"))) {
\r
604 static void RunEvents(unsigned int which)
\r
606 if(which & 0x1800) { // save or load (but not both)
\r
608 if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && check_save_file()) {
\r
609 unsigned long keys;
\r
610 blit("", "OVERWRITE SAVE? (Y=yes, X=no)");
\r
611 while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )
\r
613 if (keys & GP2X_X) do_it = 0;
\r
617 blit("", (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");
\r
618 emu_SaveLoadGame(which & 0x1000, 0);
\r
623 if(which & 0x0400) { // switch renderer
\r
624 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
\r
625 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;
\r
626 else currentConfig.EmuOpt &= ~0x80;
\r
630 if (PicoOpt&0x10) {
\r
631 strcpy(noticeMsg, " 8bit fast renderer");
\r
632 } else if (currentConfig.EmuOpt&0x80) {
\r
633 strcpy(noticeMsg, "16bit accurate renderer");
\r
635 strcpy(noticeMsg, " 8bit accurate renderer");
\r
638 gettimeofday(¬iceMsgTime, 0);
\r
640 if(which & 0x0300) {
\r
643 if(state_slot < 0) state_slot = 9;
\r
646 if(state_slot > 9) state_slot = 0;
\r
648 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, check_save_file() ? "USED" : "FREE");
\r
649 gettimeofday(¬iceMsgTime, 0);
\r
651 if(which & 0x0080) {
\r
652 engineState = PGS_Menu;
\r
657 static void updateKeys(void)
\r
659 unsigned long keys, allActions[2] = { 0, 0 }, events;
\r
660 static unsigned long prevEvents = 0;
\r
663 keys = gp2x_joystick_read(0);
\r
664 if (keys & GP2X_SELECT) {
\r
665 engineState = select_exits ? PGS_Quit : PGS_Menu;
\r
666 // wait until select is released, so menu would not resume game
\r
667 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);
\r
670 keys &= CONFIGURABLE_KEYS;
\r
672 for (i = 0; i < 32; i++)
\r
674 if (keys & (1 << i)) {
\r
675 int pl, acts = currentConfig.KeyBinds[i];
\r
676 if (!acts) continue;
\r
677 pl = (acts >> 16) & 1;
\r
678 if (combo_keys & (1 << i)) {
\r
679 int u = i+1, acts_c = acts & combo_acts;
\r
680 // let's try to find the other one
\r
682 for (; u < 32; u++)
\r
683 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {
\r
684 allActions[pl] |= acts_c;
\r
685 keys &= ~((1 << i) | (1 << u));
\r
688 // add non-combo actions if combo ones were not found
\r
689 if (!acts_c || u == 32)
\r
690 allActions[pl] |= acts & ~combo_acts;
\r
692 allActions[pl] |= acts;
\r
698 if (num_of_joys > 0)
\r
700 gp2x_usbjoy_update();
\r
701 for (joy = 0; joy < num_of_joys; joy++) {
\r
702 int keys = gp2x_usbjoy_check2(joy);
\r
703 for (i = 0; i < 32; i++) {
\r
704 if (keys & (1 << i)) {
\r
705 int acts = currentConfig.JoyBinds[joy][i];
\r
706 int pl = (acts >> 16) & 1;
\r
707 allActions[pl] |= acts;
\r
715 int offs = Pico.m.frame_count*3 + 0x40;
\r
716 if (offs+3 > movie_size) {
\r
719 strcpy(noticeMsg, "END OF MOVIE.");
\r
720 printf("END OF MOVIE.\n");
\r
721 gettimeofday(¬iceMsgTime, 0);
\r
724 PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU
\r
725 if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A
\r
726 if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B
\r
727 if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A
\r
728 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
\r
729 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
\r
730 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
\r
731 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
\r
732 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
\r
733 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
\r
734 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
\r
735 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
\r
736 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
\r
737 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
\r
742 PicoPad[0] = (unsigned short) allActions[0];
\r
743 PicoPad[1] = (unsigned short) allActions[1];
\r
745 Pico.m.frame_count++;
\r
747 events = (allActions[0] | allActions[1]) >> 16;
\r
749 // volume is treated in special way and triggered every frame
\r
750 if(events & 0x6000) {
\r
751 int vol = currentConfig.volume;
\r
752 if (events & 0x2000) {
\r
753 if (vol < 90) vol++;
\r
755 if (vol > 0) vol--;
\r
757 gp2x_sound_volume(vol, vol);
\r
758 sprintf(noticeMsg, "VOL: %02i", vol);
\r
759 gettimeofday(¬iceMsgTime, 0);
\r
760 currentConfig.volume = vol;
\r
763 events &= ~prevEvents;
\r
764 if (events) RunEvents(events);
\r
766 prevEvents = (allActions[0] | allActions[1]) >> 16;
\r
769 static int snd_excess_add = 0, snd_excess_cnt = 0; // hack
\r
771 static void updateSound(void)
\r
773 int len = (PicoOpt&8)?PsndLen*2:PsndLen;
\r
775 snd_excess_cnt += snd_excess_add;
\r
776 if (snd_excess_cnt >= 0x10000) {
\r
777 snd_excess_cnt -= 0x10000;
\r
779 PsndOut[len] = PsndOut[len-2];
\r
780 PsndOut[len+1] = PsndOut[len-1];
\r
783 PsndOut[len] = PsndOut[len-1];
\r
788 gp2x_sound_write(PsndOut, len<<1);
\r
792 static void SkipFrame(int do_sound)
\r
794 void *sndbuff_tmp = 0;
\r
795 if (PsndOut && !do_sound) {
\r
796 sndbuff_tmp = PsndOut;
\r
804 if (sndbuff_tmp && !do_sound) {
\r
805 PsndOut = sndbuff_tmp;
\r
810 static void simpleWait(int thissec, int lim_time)
\r
812 struct timeval tval;
\r
814 spend_cycles(1024);
\r
815 gettimeofday(&tval, 0);
\r
816 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
818 while(tval.tv_usec < lim_time)
\r
820 spend_cycles(1024);
\r
821 gettimeofday(&tval, 0);
\r
822 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
827 void emu_Loop(void)
\r
829 static int gp2x_old_clock = 200;
\r
830 static int PsndRate_old = 0, PicoOpt_old = 0, PsndLen_real = 0, pal_old = 0;
\r
831 char fpsbuff[24]; // fps count c string
\r
832 struct timeval tval; // timing
\r
833 int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;
\r
834 int target_fps, target_frametime, lim_time, i;
\r
837 printf("entered emu_Loop()\n");
\r
839 if (gp2x_old_clock != currentConfig.CPUclock) {
\r
840 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);
\r
841 set_FCLK(currentConfig.CPUclock);
\r
842 gp2x_old_clock = currentConfig.CPUclock;
\r
846 if (gp2x_old_gamma != currentConfig.gamma) {
\r
847 set_gamma(currentConfig.gamma);
\r
848 gp2x_old_gamma = currentConfig.gamma;
\r
849 printf("updated gamma to %i\n", currentConfig.gamma);
\r
854 // make sure we are in correct mode
\r
856 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
\r
859 // pal/ntsc might have changed, reset related stuff
\r
860 target_fps = Pico.m.pal ? 50 : 60;
\r
861 target_frametime = 1000000/target_fps;
\r
864 // prepare sound stuff
\r
865 if(currentConfig.EmuOpt & 4) {
\r
866 if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {
\r
867 /* if 940 is turned off, we need it to be put back to sleep */
\r
868 if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {
\r
874 //excess_samples = PsndRate - PsndLen*target_fps;
\r
875 snd_excess_cnt = 0;
\r
876 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;
\r
877 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);
\r
878 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);
\r
879 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);
\r
880 PicoWriteSound = updateSound;
\r
881 PsndOut = calloc((PicoOpt&8) ? (PsndLen*4+4) : (PsndLen*2+2), 1);
\r
882 PsndRate_old = PsndRate;
\r
883 PsndLen_real = PsndLen;
\r
884 PicoOpt_old = PicoOpt;
\r
885 pal_old = Pico.m.pal;
\r
891 while (engineState == PGS_Running)
\r
895 gettimeofday(&tval, 0);
\r
898 thissec = tval.tv_sec;
\r
899 frames_shown = frames_done = tval.tv_usec/target_frametime;
\r
902 // show notice message?
\r
903 if(noticeMsgTime.tv_sec) {
\r
904 static int noticeMsgSum;
\r
905 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec
\r
906 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;
\r
910 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
\r
911 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
\r
912 notice = noticeMsg;
\r
916 // check for mode changes
\r
917 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
\r
918 if (modes != oldmodes) {
\r
920 osd_fps_x = OSD_FPS_X;
\r
922 vidCpyM2 = vidCpyM2_40col;
\r
924 if (PicoOpt & 0x100) {
\r
925 vidCpyM2 = vidCpyM2_32col_nobord;
\r
927 osd_fps_x = OSD_FPS_X - 64;
\r
929 vidCpyM2 = vidCpyM2_32col;
\r
932 gp2x_video_RGB_setscaling(scalex, 240);
\r
938 if(thissec != tval.tv_sec) {
\r
940 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];
\r
941 if(++bench == 10) {
\r
943 bench_fps_s = bench_fps;
\r
944 bf[bfp++ & 3] = bench_fps;
\r
947 bench_fps += frames_shown;
\r
948 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);
\r
950 if(currentConfig.EmuOpt & 2)
\r
951 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);
\r
953 thissec = tval.tv_sec;
\r
955 if(PsndOut == 0 && currentConfig.Frameskip >= 0) {
\r
956 frames_done = frames_shown = 0;
\r
958 // it is quite common for this implementation to leave 1 fame unfinished
\r
959 // when second changes, but we don't want buffer to starve.
\r
960 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {
\r
962 SkipFrame(1); frames_done++;
\r
965 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;
\r
966 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;
\r
967 if (frames_shown > frames_done) frames_shown = frames_done;
\r
971 lim_time = (frames_done+1) * target_frametime;
\r
972 if(currentConfig.Frameskip >= 0) { // frameskip enabled
\r
973 for(i = 0; i < currentConfig.Frameskip; i++) {
\r
975 SkipFrame(1); frames_done++;
\r
976 if (PsndOut) { // do framelimitting if sound is enabled
\r
977 gettimeofday(&tval, 0);
\r
978 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
979 if(tval.tv_usec < lim_time) { // we are too fast
\r
980 simpleWait(thissec, lim_time);
\r
983 lim_time += target_frametime;
\r
985 } else if(tval.tv_usec > lim_time) { // auto frameskip
\r
986 // no time left for this frame - skip
\r
988 SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;
\r
996 if (Pico.m.frame_count == 31563) {
\r
998 f = fopen("ram_p.bin", "wb");
\r
999 if (!f) { printf("!f\n"); exit(1); }
\r
1000 fwrite(Pico.ram, 1, 0x10000, f);
\r
1008 #define BYTE unsigned char
\r
1009 #define WORD unsigned short
\r
1012 BYTE IDLength; /* 00h Size of Image ID field */
\r
1013 BYTE ColorMapType; /* 01h Color map type */
\r
1014 BYTE ImageType; /* 02h Image type code */
\r
1015 WORD CMapStart; /* 03h Color map origin */
\r
1016 WORD CMapLength; /* 05h Color map length */
\r
1017 BYTE CMapDepth; /* 07h Depth of color map entries */
\r
1018 WORD XOffset; /* 08h X origin of image */
\r
1019 WORD YOffset; /* 0Ah Y origin of image */
\r
1020 WORD Width; /* 0Ch Width of image */
\r
1021 WORD Height; /* 0Eh Height of image */
\r
1022 BYTE PixelDepth; /* 10h Image pixel size */
\r
1023 BYTE ImageDescriptor; /* 11h Image descriptor byte */
\r
1024 } __attribute__((packed)) TGAHEAD;
\r
1025 static unsigned short oldscr[320*240];
\r
1026 FILE *f; char name[128]; int i;
\r
1028 memset(&TGAHEAD, 0, sizeof(TGAHEAD));
\r
1029 TGAHEAD.ImageType = 2;
\r
1030 TGAHEAD.Width = 320;
\r
1031 TGAHEAD.Height = 240;
\r
1032 TGAHEAD.PixelDepth = 16;
\r
1033 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left
\r
1035 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?
\r
1037 for (i = 0; i < 320*240; i++)
\r
1038 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;
\r
1041 for (i = 0; i < 320*240; i++)
\r
1042 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);
\r
1043 sprintf(name, "%05i.tga", Pico.m.frame_count);
\r
1044 f = fopen(name, "wb");
\r
1045 if (!f) { printf("!f\n"); exit(1); }
\r
1046 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);
\r
1047 fwrite(oldscr, 1, 320*240*2, f);
\r
1054 gettimeofday(&tval, 0);
\r
1055 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
1057 // sleep if we are still too fast
\r
1058 if(PsndOut != 0 || currentConfig.Frameskip < 0)
\r
1060 // usleep sleeps for ~20ms minimum, so it is not a solution here
\r
1061 gettimeofday(&tval, 0);
\r
1062 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;
\r
1063 if(tval.tv_usec < lim_time)
\r
1065 // we are too fast
\r
1066 simpleWait(thissec, lim_time);
\r
1070 blit(fpsbuff, notice);
\r
1072 frames_done++; frames_shown++;
\r
1076 if((currentConfig.EmuOpt & 1) && SRam.changed) {
\r
1077 emu_SaveLoadGame(0, 1);
\r
1081 if (PsndOut != 0) {
\r
1088 void emu_ResetGame(void)
\r
1095 size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
\r
1097 return gzread(file, p, _n);
\r
1101 size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
\r
1103 return gzwrite(file, p, _n);
\r
1106 typedef unsigned int (*STATE_SL_FUNC)(void *, unsigned int, unsigned int, void *);
\r
1108 int emu_SaveLoadGame(int load, int sram)
\r
1111 char saveFname[512];
\r
1113 // make save filename
\r
1114 romfname_ext(saveFname, "");
\r
1115 if(sram) strcat(saveFname, ".srm");
\r
1117 if(state_slot > 0 && state_slot < 10) sprintf(saveFname, "%s.%i", saveFname, state_slot);
\r
1118 strcat(saveFname, ".mds");
\r
1121 printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);
\r
1125 int sram_size = SRam.end-SRam.start+1;
\r
1126 if(SRam.reg_back & 4) sram_size=0x2000;
\r
1127 if(!SRam.data) return 0; // SRam forcefully disabled for this game
\r
1129 sramFile = fopen(saveFname, "rb");
\r
1130 if(!sramFile) return -1;
\r
1131 fread(SRam.data, 1, sram_size, sramFile);
\r
1134 // sram save needs some special processing
\r
1135 // see if we have anything to save
\r
1136 for(; sram_size > 0; sram_size--)
\r
1137 if(SRam.data[sram_size-1]) break;
\r
1140 sramFile = fopen(saveFname, "wb");
\r
1141 ret = fwrite(SRam.data, 1, sram_size, sramFile);
\r
1142 ret = (ret != sram_size) ? -1 : 0;
\r
1149 void *PmovFile = NULL;
\r
1151 if(currentConfig.EmuOpt & 8) {
\r
1152 strcat(saveFname, ".gz");
\r
1153 if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
\r
1154 areaRead = gzRead2;
\r
1155 areaWrite = gzWrite2;
\r
1156 if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
\r
1158 saveFname[strlen(saveFname)-3] = 0;
\r
1160 if(!PmovFile) { // gzip failed or was disabled
\r
1161 if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
\r
1162 areaRead = (STATE_SL_FUNC) fread;
\r
1163 areaWrite = (STATE_SL_FUNC) fwrite;
\r
1167 PmovState(load ? 6 : 5, PmovFile);
\r
1168 strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");
\r
1169 if(areaRead == gzRead2)
\r
1170 gzclose(PmovFile);
\r
1171 else fclose ((FILE *) PmovFile);
\r
1173 if (!load) sync();
\r
1174 else Pico.m.dirtyPal=1;
\r
1176 strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");
\r
1180 gettimeofday(¬iceMsgTime, 0);
\r