Cursor Joystick (for the ZX81 & 2068)
Describes how to wire a joystick port for use with a Spectrum ROM.
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Timex/Sinclair 1000
Turbo Switch for the ZX81
Transcribed from the Winter 1993 issue of ZXir QLive Alive.
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Spectrum Hardware Restart
Photocopied from the March 1986 issue of Practical Electronics.
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