Int 21 Fn F3 - Doubledos - Add Character To Keyboard Buffer Of Current J [T] AH = F3h AL = character Return: AL = 00h successful 01h buffer full (128 characters) See Also: AH=E3h"DoubleDOS",AH=F1h"DoubleDOS",AH=F2h"DoubleDOS" See Also: AH=F8h"DoubleDOS"