// serial IO listSerialIO.list() @=> string list[];// print listfor( int i; i < list.size(); i++ ){    chout <= i <= ": " <= list[i] <= IO.newline();} // serial device number0 => int device;if( me.args() ) me.arg(0) => Std.atoi => device; // serial IOSerialIO cereal;// open serialcereal.open( device, SerialIO.B9600, SerialIO.BINARY ); // infinite time-loopwhile( true ){    // wait for byte    cereal.onByte() => now;    // get the byte    cereal.getByte() => int byte;    // print    chout <= "byte: " <= byte <= IO.newline();}