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Devlog 04 - Keyboard and Joystick Inputs

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An overview of programming keyboards and joysticks on the ZX Spectrum Next.

A video looking at how to use joysticks and keyboards on the Spectrum Next, using C and z88dk. This is an overview of the main concepts. Written version of this in more detail is available here

Joysticks on the Spectrum have always been a bit confusing.

The original 48k Spectrum didn’t have them, instead interfaces were connected to the expansion port on the back of the machine. The most popular was known as the Kempston interface. It gave you one button and four directions.

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