Click above to get retro games delivered to your door ever month!

Int 10h, 1103h          Select Displayed Alpha Font            EGA, MCGA, VGA

    Sets the font block specifier in text mode.

        Entry   AX = 1103h
                BL = Bits 4,1,0: No. of font block to use when
                                 bit 3 of attribute byte is 0
                     Bits 5,3,2: No. of font block to use when
                                 bit 3 of attribute byte is 1
                     Block no. = 0..3 (EGA/MCGA), 0..7 (VGA)

        Return  Nothing