Int 61 Fn 19  - Atari Portfolio - Get Serial Port Parameters               [b]

   AH = 19h
   DX = serial port number

Return: AH = status
       00h successful
       AL = composite parameters (see #0226 at INT 14/AH=00h"SERIAL")
       other error

See Also: AH=00h"Portfolio",AH=15h"Portfolio",AH=1Ah"Portfolio"