; BIOS key press bitmap addresses
KEYGROUP_0 = 52Ah
KEYGROUP_1 = 52Bh
KEYGROUP_2 = 52Ch
KEYGROUP_3 = 52Dh
KEYGROUP_4 = 52Eh
KEYGROUP_5 = 52Fh
KEYGROUP_6 = 530h
KEYGROUP_7 = 531h
KEYGROUP_8 = 532h
KEYGROUP_9 = 533h
KEYGROUP_10 = 534h
KEYGROUP_11 = 535h
KEYGROUP_12 = 536h
KEYGROUP_13 = 537h
KEYGROUP_14 = 538h