Int 14 Fn 25 - Multidos Plus - Clear Buffers [S] 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"