INT 67,44 - Map Logical Page Into Physical Page Window (LIM EMS)

	AH = 44h
	AL = physical page number (0-3)
	BX = logical page number (0 to total allocated minus 1)
	DX = EMM handle
	on return:
	AH = 00  success
	   = error code (see EMS STATUS)
	- registers not listed are preserved