INT 33 U - InfoTrack IMOUSE.COM - GET ACTIVE IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated.
	AX = 8800h
	BX = FFFFh
Return: BL = number of IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. being used by the mouse
SeeAlso: AX=8800h