Int 14 Fn 84  - Comm-drv V14.0 - Send Packet                               [S]

   AH = 84h
   CX = packet length in bytes
   DX = port number
   ES:DI -> packet to be sent

Return: AH = line status (see #0230)
       bit 7 set on error
   AL destroyed

See Also: AH=83h"COMM-DRV",AH=85h"COMM-DRV",AH=86h"COMM-DRV"