INT 15 - HUNTER 16 - GET ORACLE GT POWER LEVEL                                  
	AH = 73h
	AL = drive (0: A:, 1: B:)
Return: AH = status
	    00h successful
	    FFh Oracle GT drive not connected
	AL = power level in percent of maximum (0..100)
Desc:	get the power remaining in the Oracle GT batteries
SeeAlso: AH=61h