INT 10,14 - Load LCD Character Font (convertible only)

AH = 14h

% AL = 0 - load user specified font

ES:DI = pointer to character font

CX = number of characters to store

DX = char offset into ram font area

BH = number of bytes per character

BL = 0 load main font (block 0)

= 1 load alternate font (block 1)

% AL = 1 - load system ROM default font

BL = 0 load main font (block 0)

= 1 load alternate font (block 1)

% AL = 2 - set mapping of LCD high intensity attribute

BL = 0 ignore high intensity attribute

= 1 map high intensity to underscore

= 2 map high intensity to reverse video

= 3 map high intensity to select alternate font