Books (1)
| Title | Author(s) | Date |
|---|---|---|
| Timex/Sinclair Interfacing: Tested Projects for the ZX80, ZX81, and the Timex/Sinclair 1000 How to construct interfaces with instructions for building a relay controller, a joystick interface, analog to digital conversion and more. | James M Downey; Don Rindsberg | 1983 |