Articles (1)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| Four-digit Multiplexed BCD to ZX81 Adaptor Interface binary-coded decimal (BCD) devices to the ZX81. | Electronics Today International | October 1983 |
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| Four-digit Multiplexed BCD to ZX81 Adaptor Interface binary-coded decimal (BCD) devices to the ZX81. | Electronics Today International | October 1983 |