Int 10 Fn 5101 - Video - Ax Pc - Read Character [J]

AX = 5101h
BH = character width in bits
BL = character height
DX = character code (DH = 00h if 8-bit character)
ES:BP -> buffer for character bitmap

Return: AL = status (00h successful, 01h failed)

See Also: AH=09h,AX=5100h