initial commit - cross reference with 5th port - obviously has compile errors

code/modules/atmospherics/machinery/components/binary_devices/binary_devices.dm

@@ -0,0 +1,34 @@
+/obj/machinery/atmospherics/components/binary
+	icon = 'icons/obj/atmospherics/components/binary_devices.dmi'
+	dir = SOUTH
+	initialize_directions = SOUTH|NORTH
+	use_power = 1
+	device_type = BINARY
+
+/obj/machinery/atmospherics/components/binary/SetInitDirections()
+	switch(dir)
+		if(NORTH)
+			initialize_directions = NORTH|SOUTH
+		if(SOUTH)
+			initialize_directions = NORTH|SOUTH
+		if(EAST)
+			initialize_directions = EAST|WEST
+		if(WEST)
+			initialize_directions = EAST|WEST
+/*
+Iconnery
+*/
+/obj/machinery/atmospherics/components/binary/hide(intact)
+	update_icon()
+
+	..(intact)
+/*
+Housekeeping and pipe network stuff
+*/
+
+/obj/machinery/atmospherics/components/binary/atmosinit()
+	var/node2_connect = dir
+	var/node1_connect = turn(dir, 180)
+
+	var/list/node_connects = list(node1_connect, node2_connect)
+	..(node_connects)