INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode.  See also DOS Protected-Mode Interface. - SET 8259 INTERRUPT VECTOR MAPPINGS
	AX = DE0Bh
	BX = first vector used by master 8259
	CX = first vector used by slave 8259
	interrupts disabled
Return: AH = 00h successful
	AH nonzero: failed
Notes:	This call merely informs the server that the client has changed the
	  interrupt mappings.  The client may not change the mappings if they
	  have already been changed by the server or another client, and is
	  responsible for restoring the original mappings before terminating.
SeeAlso: AX=DE0Ah,INT 2C/AX=002Ah