Values for HP Vectra EX-BIOS ISR data type:
00h reserved "T_KC_R0"
01h reserved "T_KC_R1"
02h ASCII data
03h reserved "T_KC_R3"
04h HP150 keyboard (ITF) scancode
05h reserved "T_KC_R5"
06h device-definable type
07h HP Vectra keyboard set
08h IBM AT scancode set
09h button data
0Ah IBM PC scancode set
0Bh Softkey keypad (F1-F8)
0Ch function key keypad (F1-F10)
0Dh HP Cursor Control Pad keypad
0Eh Qwerty keypad
0Fh Numeric keypad
1xh bit 4 set: string of CX scancode of type 0xh at ES:SI
2xh bit 5 set: BH contains current keyboard state
40h signed 8-bit relative data
41h signed 16-bit relative data
42h unsigned 8-bit absolute data
43h unsigned 16-bit absolute data
45h specially-formed data (80x25) generated by V_LTOUCH
46h specially-formed data (640x200) generated by V_LTABLET
47h specially-formed data (640x200) generated by V_LPOINTER