)
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+)
SeeAlso: #00595