Int 10 Fn 1130 - M10_scr.com V3.5+ - Installation Check [V] AX = 1130h BX = 4D4Fh Return: CX = 4F4Dh if installed ES:BP -> M10_SCR INT 10 handler Program: M10_SCR is a shareware extended text mode and font driver by I.V. Morozov See Also: INT 16/AX=4D4Fh