The MicroAce was compatible with the Sinclair ZX-80 and, with the exception of the ROM, worked with all ZX-81 hardware and upgrades. This list only contains products that are specific to the MicroAce or made by MicroAce.
Keyboard
| Name |
Description |
Computers |
| Keypad |
Two different keypads available, matching double H keyboard. Both are assembled but unwired, so you can use them either for numerical keypads or as extra keys. |
MicroAce, Sinclair ZX80, Sinclair ZX81, Timex/Sinclair 1000 |
| Touch-A-Matic |
Vinyl overlay for Sinclair keyboard with punched holes to aid in data entry. |
MicroAce, Sinclair ZX80, Timex/Sinclair 1000 |
Miscellaneous
RAM
ROM
| Name |
Description |
Computers |
| 8K BASIC ROM |
Upgrade ZX-80 compatible 4K ROM to ZX-81 compatible 8K ROM. The MicroAce scrambled several data lines, so it requires an equally scrambled ROM. |
MicroAce |
Video
| Name |
Description |
Computers |
| Video Upgrade Board |
Flicker-free display. 8K ROM required. The SLOW mode upgrade was a small double-sided circuit board that had to be soldered to the ZX80 PCB via several flying leads. In addition, several tracks of the ZX80 PCB had to be cut. The SLOW mode board works by generating horizontal synchronisation (HSync) pulses during the top and |
MicroAce, Sinclair ZX80 |
