///1MODE

  Syntax:

          MODE /?
          MODE COM<n>: 
               [<baud>[,<parity>[,<databits>[,<stopbits>]]]] [/P]

  Explanation:

       MODE  is used  to display and/or  modify  the  configuration
       of a serial device of a RomWBW system.

       <baud> is numerical baudrate
       <parity> is (N)one, (O)dd, (E)ven, (M)ark, or (S)pace
       <databits> is number of data bits, typically 7 or 8
       <stopbits> is number of stop bits, typically 1 or 2
       /P prompts the user prior to setting new configuration

  Notes:

       Parameters not provided will remain unchanged.
       The device must support the specified configuration.

  Author:

       Wayne Warthen (wwarthen@gmail.com)

  ///2Examples

  A>MODE /? 

       Display command usage

  A>MODE

       Display configuration of all serial ports

  A>MODE COM0:

       Display configuration of serial unit 0

  A>MODE COM1: 9600,N,8,1

       Set serial unit 1 configuration