while(!feof(arc)) {
			// usually a block of zeroes indicates the end of a bms
			sprintf(outfilename,"%s_seq%d.bms",filename,count);
			outbms = fopen(outfilename,"wb");
			do {
				fread(readbuf,1,0x10,arc);
				fwrite(readbuf,1,0x10,outbms);
			} while(memcmp(readbuf,"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",0x10));
			fclose(outbms);
			count++;
		}