message: Extend a LF newline to CRLF. Needed when outputting over serial on real hardware.
diff: @@ -69,6 +69,11 @@ impl SerialPort {
  }
  pub fn write_byte(&self, byte: u8) {
  + // LF newline characters need to be extended to CRLF over a real serial port.
  + if byte == b'\n' {
  + self.write_to_register(UART_TX, b'\r');
  + }
  +
  self.write_to_register(UART_TX, byte);
  }
  