Int 14/AH=21h

HUNTER 16 - EXTENDED CONTROL

AH = 21h
AL = command
01h force transmission of buffer
02h clear transmit buffer
03h clear receive buffer
DX = port (00h COM1, 01h COM2)

Return:
AH = extended status

Desc: Executes the command on the selected port

See Also: AH=1Eh"HUNTER" - AH=20h"HUNTER" - AH=22h"HUNTER" - Category: Serial I/O - Int 14h - H

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