Articles (2)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| Key Click Generator This simple circuit will produce an audible tone whenever the ZX80 screen is blanked, yielding a click to indicate key... | SYNC | May/June 1981 | |
| Machine Code Monitor Utility program enables you to edit and execute hex Z80 machine code. | Syntax | May 1981 |