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Based on the ZX Spectrum breakout board: https://github.com/linker3000/ZX-Spectrum-Breakout-Board

These are the design details for a ZX Spectrum expansion board that supports EPROM/ROM devices and also provides the control signals for two Kempston-compatible joystick interfaces. This is a self-build project and these notes are suitable for experienced electronics hobbyists and professional engineers who fancy a bit of DIY making.

ZX-Spectrum-ROM-and-Joystick-Board

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