Int 14/AH=25h

AH = 25h AL = function 00h only clear buffers 01h clear buffers and deactivate DX = port number

Return:
AH = status 00h successful 3Ah invalid function 41h no such port 42h monitor mode not active

See Also: AH=20h"MultiDOS" - AH=24h"MultiDOS"

Category: Serial I/O - Int 14h - M