INT 15 U - DESQview v2.31+ - ???                                                
	AX = DE23h
	BX = ??? IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. number on first PIC?
	CX = ??? IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. number on second PIC?
Return: ???
Note:	called by QEMM 6.00+