Books (1)
| Title | Author(s) | Date |
|---|---|---|
| Timex/Sinclair 1000/ZX81 How-To How-to hardware upgrade book. Covers buffered expansion interface, serial output, std. printer interface and more. | 1983. |
| Title | Author(s) | Date |
|---|---|---|
| Timex/Sinclair 1000/ZX81 How-To How-to hardware upgrade book. Covers buffered expansion interface, serial output, std. printer interface and more. | 1983. |