Bandai RX-78 Gundam Personal Computer Joystick Pinout

The Bandai RX-78 uses a proprietary joystick port with an 8 pin din.  This din should be a 2-3-3 layout with all pins symmetrical.  It also makes use of two ground connections, Ground 1 provides Fire, Left and Up when connected to the relevant pins and Ground 2 provides Right and Down.

Port as seen when looking at the machine

Pin Description
1 Ground 2
2 Left / Right
3 NC
4 NC
5 NC
6 Up / Down
7 Ground 1
8 Fire

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