MicroAce

MicroAce
MicroAce advertisement, 1980
ManufacturerCompShop, MicroAce
TypeHome computer
Release date1980; 45 years ago (1980)
Introductory price$149
MediaCassette tape
Operating systemSinclair BASIC
CPUZ80 @ 3.25 MHz
Memory1 KB
DisplayMonochrome display on UHF television
Graphics24 lines × 32 characters or
64 × 48 block graphics mode
Backward
compatibility		Sinclair ZX80

The MicroAce was a 1980 Sinclair ZX80 home computer clone, designed and manufactured by CompShop and distributed in the USA by MicroAce of Santa Ana, California.[1][2][3]

It was also sold in Australia and was distributed by Dick Smith Electronics.

Description

Advertised as "a microcomputer for everyone at a micro price ... a complete computer for $149.00 for 1K [RAM] kit" with optional 2K RAM,[4][5] it was an unlicensed clone of the Sinclair ZX80 and had an identical, yet obfuscated copy of the ROM by means of a bit-swap.[6][7] Some time later, between 1980 and 1981, MicroAce settled with Sinclair and licensed the ROM of the ZX81.[8][9]

Reception

BYTE stated that the instructions were insufficient for those inexperienced in kit assembly, and suggested that beginners learn how to solder first. It found some fit and finish issues with the completed computer, and criticized MicroAce for being unresponsive to questions. The review stated that "if you recognize the limitations of the machine and don't expect too much, then I think you can buy the MicroAce kit with confidence", albeit strongly recommending the 2K RAM option.[8]

References

  1. ^ Ahl, David (March 1981). "An Interview with Alfred Milgram". Sync Magazine. 1 (2): 6–7.
  2. ^ "MicroAce Microace". www.old-computers.com. Retrieved 2022-12-19.
  3. ^ "MicroAce". Old Computer Museum. 2014. Retrieved 2022-12-19.
  4. ^ "A Microcomputer for everyone at a Micro Price". BYTE. November 1980. p. 359. Retrieved 18 October 2013.
  5. ^ O’Dell, Jerry W. (1981-09-01). "The MicroAce: An inexpensive computer controller". Behavior Research Methods & Instrumentation. 13 (5): 682–685. doi:10.3758/BF03202087. ISSN 1554-3528. S2CID 58094419.
  6. ^ Curran, Dave. "Microace repair". Retrieved 2023-01-23.
  7. ^ "The MicroAce Microcomputer". Early Computers Project. 2023. Retrieved 2022-12-19.
  8. ^ a b Searls, Delmar (April 1981). "The MicroAce Computer". BYTE. pp. 46–64. Retrieved 18 October 2013.
  9. ^ "MicroAce". Timex/Sinclair - The Authoritative Website for Timex/Sinclair Computers. Retrieved 2022-12-19.

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