Exemplo n.º 1
0
void emu_updateMovie(void)
{
	int offs = Pico.m.frame_count*3 + 0x40;
	if (offs+3 > movie_size) {
		free(movie_data);
		movie_data = 0;
		strcpy(noticeMsg, "END OF MOVIE.");
		lprintf("END OF MOVIE.\n");
		emu_noticeMsgUpdated();
	} else {
		// MXYZ SACB RLDU
		PicoPad[0] = ~movie_data[offs]   & 0x8f; // ! SCBA RLDU
		if(!(movie_data[offs]   & 0x10)) PicoPad[0] |= 0x40; // A
		if(!(movie_data[offs]   & 0x20)) PicoPad[0] |= 0x10; // B
		if(!(movie_data[offs]   & 0x40)) PicoPad[0] |= 0x20; // A
		PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU
		if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A
		if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B
		if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A
		PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX
		if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X
		if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z
		PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX
		if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X
		if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z
	}
}
Exemplo n.º 2
0
int emu_ReloadRom(void)
{
	unsigned int rom_size = 0;
	char *used_rom_name = romFileName;
	char ext[5];
	pm_file *rom;
	int ret, cd_state, cd_region, cfg_loaded = 0;

	lprintf("emu_ReloadRom(%s)\n", romFileName);

	get_ext(romFileName, ext);

	// detect wrong extensions
	if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
		sprintf(menuErrorMsg, "Not a ROM selected.");
		return 0;
	}

	PicoPatchUnload();

	// check for movie file
	if(movie_data) {
		free(movie_data);
		movie_data = 0;
	}
#if 0
	if(!strcmp(ext, ".gmv")) {
		// check for both gmv and rom
		int dummy;
		FILE *movie_file = fopen(romFileName, "rb");
		if(!movie_file) {
			sprintf(menuErrorMsg, "Failed to open movie.");
			return 0;
		}
		fseek(movie_file, 0, SEEK_END);
		movie_size = ftell(movie_file);
		fseek(movie_file, 0, SEEK_SET);
		if(movie_size < 64+3) {
			sprintf(menuErrorMsg, "Invalid GMV file.");
			fclose(movie_file);
			return 0;
		}
		movie_data = malloc(movie_size);
		if(movie_data == NULL) {
			sprintf(menuErrorMsg, "low memory.");
			fclose(movie_file);
			return 0;
		}
		fread(movie_data, 1, movie_size, movie_file);
		fclose(movie_file);
		if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
			sprintf(menuErrorMsg, "Invalid GMV file.");
			return 0;
		}
		dummy = try_rfn_cut() || try_rfn_cut();
		if (!dummy) {
			sprintf(menuErrorMsg, "Could't find a ROM for movie.");
			return 0;
		}
		get_ext(romFileName, ext);
	} else 

	if (!strcmp(ext, ".pat")) {
		int dummy;
		PicoPatchLoad(romFileName);
		dummy = try_rfn_cut() || try_rfn_cut();
		if (!dummy) {
			sprintf(menuErrorMsg, "Could't find a ROM to patch.");
			return 0;
		}
		get_ext(romFileName, ext);
	}
#else
	// load GG patches list
	char ggFname[512];
	romfname_ext(ggFname, NULL, ".cht");
	PicoPatchLoad(ggFname);
#endif

	if ((PicoMCD & 1) && Pico_mcd != NULL) Stop_CD();

	// check for MegaCD image
	cd_state = emu_cdCheck(&cd_region);
	if (cd_state > 0)
	{
		// valid CD image, check for BIOS..
#if 0
		// we need to have config loaded at this point
		ret = emu_ReadConfig(READ_CONFIG_FOR_GAME, READ_CONFIG_SKIP_DEF);
		if (!ret) emu_ReadConfig(READ_CONFIG_GLOBAL, READ_CONFIG_SKIP_DEF);
#endif
		cfg_loaded = 1;

		if (PicoRegionOverride) {
			cd_region = PicoRegionOverride;
			lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
		}
		if (!emu_findBios(cd_region, &used_rom_name)) {
			// bios_help() ?
			return 0;
		}

		PicoMCD |= 1;
		get_ext(used_rom_name, ext);
	} else
	{
		if (PicoMCD & 1) Stop_CD();
		PicoMCD &= ~1;
	}

	ips_define(ipsFileName);
	rom = pm_open(used_rom_name);
	if(!rom) {
		sprintf(menuErrorMsg, "Failed to open rom.");
		return 0;
	}

	menu_romload_prepare(used_rom_name); // also CD load

	if(rom_data) {
		free(rom_data);
		rom_data = 0;
		rom_size = 0;
	}

	if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
		sprintf(menuErrorMsg, "PicoCartLoad() failed.");
		lprintf("%s\n", menuErrorMsg);
		pm_close(rom);
		menu_romload_end();
		return 0;
	}
	pm_close(rom);

	// detect wrong files (Pico crashes on very small files), also see if ROM EP is good
	if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
	  ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
		if (rom_data) free(rom_data);
		rom_data = 0;
		sprintf(menuErrorMsg, "Not a ROM selected.");
		menu_romload_end();
		return 0;
	}
#if 0
	// load config for this ROM (do this before insert to get correct region)
	if (!cfg_loaded) {
		ret = emu_ReadConfig(READ_CONFIG_FOR_GAME, READ_CONFIG_SKIP_DEF);
		if (!ret) emu_ReadConfig(READ_CONFIG_GLOBAL, READ_CONFIG_SKIP_DEF);
	}
#endif
	lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
	if(PicoCartInsert(rom_data, rom_size)) {
		sprintf(menuErrorMsg, "Failed to load ROM.");
		menu_romload_end();
		return 0;
	}

	Pico.m.frame_count = 0;

	// insert CD if it was detected
	if (cd_state > 0) {
		ret = Insert_CD(romFileName, cd_state == 2);
		if (ret != 0) {
			sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
			lprintf("%s\n", menuErrorMsg);
			menu_romload_end();
			return 0;
		}
	}

	menu_romload_end();
#if 0
	if (!emu_isBios(romFileName))
	{
		// emu_ReadConfig() might have messed currentConfig.lastRomFile
		strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);
		currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;
	}
#endif
	if (PicoPatches) {
		PicoPatchPrepare();
		PicoPatchApply();
	}

	// additional movie stuff
	if (movie_data) {
		if(movie_data[0x14] == '6')
		     PicoOpt |=  PicoOpt_6button_gamepad; // 6 button pad
		else PicoOpt &= ~PicoOpt_6button_gamepad;
		PicoOpt |= (PicoOpt_accurate_timing | PicoOpt_disable_vdp_fifo); // accurate timing, no VDP fifo timing
		if(movie_data[0xF] >= 'A') {
			if(movie_data[0x16] & 0x80) {
				PicoRegionOverride = 8;
			} else {
				PicoRegionOverride = 4;
			}
			PicoReset(0);
			// TODO: bits 6 & 5
		}
		movie_data[0x18+30] = 0;
		sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
	}
	else
	{
		PicoOpt &= ~PicoOpt_disable_vdp_fifo;
		if(Pico.m.pal) {
			strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
		} else {
			strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
		}
	}
	emu_noticeMsgUpdated();

	// load SRAM for this ROM
	emu_SaveLoadSRAM(1);

	return 1;
}
Exemplo n.º 3
0
int emu_SaveLoadGame(int load, int sram)
{
	int ret = 0;
	char *saveFname;

	// make save filename
	saveFname = emu_GetSaveFName(load, sram, state_slot);
	if (saveFname == NULL) {
		if (!sram) {
			strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED  ");
			emu_noticeMsgUpdated();
		}
		return -1;
	}

	lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname);

	if (sram)
	{
		FILE *sramFile;
		int sram_size;
		unsigned char *sram_data;
		int truncate = 1;
		if (PicoMCD&1) {
			if (PicoOpt&0x8000) { // MCD RAM cart?
				sram_size = 0x12000;
				sram_data = SRam.data;
				if (sram_data)
					memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
			} else {
				sram_size = 0x2000;
				sram_data = Pico_mcd->bram;
				truncate  = 0; // the .brm may contain RAM cart data after normal brm
			}
		} else {
			sram_size = SRam.end-SRam.start+1;
			if(Pico.m.sram_reg & 4) sram_size=0x2000;
			sram_data = SRam.data;
		}
		if (!sram_data) return 0; // SRam forcefully disabled for this game

		if (load) {
			sramFile = fopen(saveFname, "rb");
			if(!sramFile) return -1;
			fread(sram_data, 1, sram_size, sramFile);
			fclose(sramFile);
			if ((PicoMCD&1) && (PicoOpt&0x8000))
				memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
		} else {
			// sram save needs some special processing
			// see if we have anything to save
			for (; sram_size > 0; sram_size--)
				if (sram_data[sram_size-1]) break;

			if (sram_size) {
				sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
				if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry
				if (!sramFile) return -1;
				ret = fwrite(sram_data, 1, sram_size, sramFile);
				ret = (ret != sram_size) ? -1 : 0;
				fclose(sramFile);
#ifndef NO_SYNC
				sync();
#endif
			}
		}
		return ret;
	}
	else
	{
		void *PmovFile = NULL;
		if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0)
		{
			if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {
				emu_setSaveStateCbs(1);
				if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);
			}
		}
		else
		{
			if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {
				emu_setSaveStateCbs(0);
			}
		}
		if(PmovFile) {
			ret = PmovState(load ? 6 : 5, PmovFile);
			areaClose(PmovFile);
			PmovFile = 0;
			if (load) Pico.m.dirtyPal=1;
#ifndef NO_SYNC
			else sync();
#endif
		}
		else	ret = -1;
		if (!ret)
			strcpy(noticeMsg, load ? "GAME LOADED  " : "GAME SAVED   ");
		else
		{
			strcpy(noticeMsg, load ? "LOAD FAILED  " : "SAVE FAILED  ");
			ret = -1;
		}

		emu_noticeMsgUpdated();
		return ret;
	}
}