Category: non-traditional input devices

INT 66 - PenDOS - PKEYUS - GET VERSION

	AH = 40h
Return: CF clear
	AX = 0000h
	BH = major version (02h for version bundled with IBM DOS 6.1)
	BL = minor version (00h for version bundled with IBM DOS 6.1)
	DL = ??? (4Eh)
	DH = ??? (0Eh)