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TI-99/4A Joystick Port

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9 PIN D-SUB MALE at the computer.

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9 PIN D-SUB FEMALE at the joystick cable.

Pin Direction Name
1 N.C.
2 --> Test joystick 2
3 <-- UP
4 <-- Fire button pressed
5 <-- Left
6 N.C.
7 --> Test joystick
8 <-- Down
9 <-- Right

Note: Direction is Computer relative Device.

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