INT 10 - VIDEO - Hercules GRAFIX - "LEVEL" - SELECT DRAWING FUNCTION AH = 44h AL = drawing function 00h clear pixels 01h set pixels 02h invert pixels Return: nothing Desc: specify how graphics output will change the display SeeAlso: AH=40h,AH=45h,AH=46h,AH=4Bh,AH=4Ch,AH=4Dh