Fuze Computer and Video Game Museum

Jupiter Ace

Jupiter Ace

Image Attribution

Title: Jupiter ACE (restored)

Creator: Factor-h

License: CC BY-SA 3.0

Source: Wikimedia Commons

Credit: Own work

Special Feature

Used the Forth language instead of the more common BASIC

Manufacturer Jupiter Cantab
Equipment Type Home Computer
Model Name Jupiter Ace
Family Name Jupiter Ace
Years 1982 – 1984
CPU Zilog Z80 @ 3.5MHz
RAM 3KB (Expandable to 49KB)
Original Price £89.95
Resolution 32 X 24
Colours 2
Sound Beeper
Units Sold 5000

Description

The Jupiter Ace was a British home computer produced by Jupiter Cantab and launched in 1982. Built around the Zilog Z80 processor, it shared the same core hardware lineage as many machines of its era. Its white, Spectrum‑like casing made it instantly recognisable, but the Ace set itself apart in a more unusual way: instead of the widespread BASIC language, it shipped with Forth as its primary programming environment. That distinctive choice, combined with limited commercial software, very simple sound from an internal speaker, and a character‑based display that lagged behind rivals, meant the Ace struggled to gain traction. It ultimately failed to achieve significant market success.

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