INT 33 U - TRUEDOX Mouse driver v4.01 - GET/SET HARDWARE PARAMETERS             
	AX = 006Ch
	BX = new IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. (0003h or 0004h), or 0000h to get current values only
	CL = new IRQmask (sent to 8259)
	DX = new base I/O port
Return: BX = current IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated.
	DX = light pen state???
Note:	this is the mouse driver for the Dell Dimension series of computers, by
	  TRUEDOX Technology Corporation
SeeAlso: AX=00A1h,AX=0666h