Int 16/AH=4Bh

Frank Klemm Keyboard Driver v2.0 - API

AH = 4Bh
CX = code or action
0000h-FEFFh key code
FF00h-FFFFh action (see #00594)
BL = scan code (normal keys) or scan code + 60h (enhanced keys)
BH = shift state (see #00595)

Return:
CX = previous code or action


(Table 00594)
Values for Frank Klemm Keyboard Driver action code:
FF00h  no action
FF01h  hardcopy
FF02h  left shift
FF03h  right shift
FF04h  left Ctrl
FF05h  right Ctrl
FF06h  left Alt
FF07h  right Alt / AltGr
FF08h  CapsLock
FF09h  NumLock
FF0Ah  ScrlLock
FF0Bh  Insert (returns code 5200h or 52E0h)
FF0Ch  Pause
FF0Dh  Ctrl-Break function
FF0Eh  warm boot via far jump to F000h:FFF0h
FF0Fh  terminate current program
FF10h  key for entering keys via Alt-numpad (read-only)
FF11h  clear keyboard buffer
FF12h  reset (warmboot on XT)
FF13h  mouse sensitivity (read-only)
FF14h  keyjobs (read-only)
FF15h  SysRq
FF16h  turn on CPU cache (486+)
FF17h  turn off CPU cache (486+)

See Also: #00595

(Table 00595) Values for Frank Klemm Keyboard Driver shift state: 00h no shift keys 01h either Shift 02h either Ctrl 03h left Alt 04h Ctrl + Alt ---standard keyboard--- 05h right Alt / AltGr ---Russian keyboard--- 05h Russian + no shift keys 06h Russian + either Shift

See Also: #00594

Category: Keyboard Enhancers - Int 16h - F

Interrups Categories Contents