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How old are you? (reddthat.com)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 11 months ago* (last edited 11 months ago)

They're both DE-9 connectors, but the C64 joystick port is not serial. Each direction on the stick and the fire button are connected to one of the pins on the connector, and a when direction (or the fire button) is pressed that pin has a voltage applied. So effectively it's a parallel connection.

In a serial connection one of the pins is "send" pin and another is "receive". The device then sends data as a bitstream over those two pins.