Articles (2)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| Decimal Multiplication for the ZX-80 The 4K ZX80 ROM only performs integer math. This program does decimal multiplication. | Popular Electronics | February 1982 | |
| What’s So Difficult About ZX-80 Machine Code? Even inexperienced users unfamiliar with the ZX-80’s inner workings can program — in Zilog Z-80 | Microcomputing Magazine | June 1982 |