public static function rowcol( $row = 1, $col = 1 ) {
		$row = intval($row);
		$col = intval($col);
		if( $row < 0 ) {
			$row = Misc::rows() + $row + 1;
		}
		if( $col < 0 ) {
			$col = Misc::cols() + $col + 1;
		}
		fwrite(self::$stream, "\033[{$row};{$col}f");
	}