547 bytes added,
15:22, 23 January 2010 Aux Socket (6 pin RJ-11 type, Western???) (CPC Plus and GX 4000 only)
This port combines the expansion port's LPEN signal and the joystick ports Fire signals. Invented to make it easier to connect a light gun (especially since the GX 4000 doesn't have an expansion port).
1 +5V
2 /Joystick1 ???
3 Light Pen (Trojan Light Phazer: Light sensor)
4 /Fire 2 (Trojan Light Phazer: Trigger button)
5 /Fire 1 (Trojan Light Phazer: Not used) (could be menu/mode button)
6 Ground
Pin 1 is the leftmost, and Pin 6 is the rightmost pin.