Jupiter Ace
The Jupiter Ace was a British home computer by Jupiter Cantab, released in 1982. Like many other home computers of the era, it utilized the Zilog Z80 microprocessor. Known for its distinct white case and visual similarity to the ZX Spectrum, the Ace differed from other microcomputers of the time in that its programming environment used Forth instead of the more popular BASIC. This difference, along with a small selection of commercially available games and software, rudimentary sound generation through an internal speaker, and a comparatively poor character based graphic display limited sales; the machine was not a success in the market.
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| Cover | Title | Value | Publisher | Released |
|---|---|---|---|---|
| Design › Specifications | ||||
 | Processor | Zilog Z80A clocked at 3.25 MHz. | ||
 | Operating system | FORTH (as both the programming language and command-line interface). | ||
 | Memory | 2 KB for Video + 1 KB base expandable up to 49 KB (video excluded). | ||
 | Video | Independent sub-system with 2 dedicated SRAM banks: Screen (1 KB) + Char Tiles (1 KB). | ||
 | Sound | Internal speaker, CPU-driven (non-dedicated). | ||
| Expansion | 2 connectors: Main (CPU related) + Video (screen + AV signal). | |||
 | Keyboard and Charset | 40-key QWERTY keyboard (symbols access with extra key). All chars in Charset (based on ASCII-1967) being redefinable. | ||
 | Character set | Based on ASCII-1967 with extensions as for the ZX Spectrum character set including ↑, £ and ©. | ||
| Video games › Commercial games | ||||
| Ace Invasion | Titan Programs Ltd (UK) | 1983 | ||
| Acevaders | Micro Marketing (UK) | 1983 | ||
| Alien Defender | Boldfield Computing Ltd | 1984 | ||
| Amazing Maze | Boldfield Computing Ltd | 1984 | ||
| Atic Raid | Boldfield Computing Ltd | 1984 | ||
| Black Island Adventure | Boldfield Computing Ltd | 1984 | ||
| Blackjack | JRS Software Ltd (UK) | 1983 | ||
| Centipede | Boldfield Computing Ltd | 1984 | ||
| Champ de Mines / Casse Briques | ERE Informatique (France) | 1983 | ||
| Chess | Boldfield Computing Ltd | 1983 | ||
| Cygnus | Boldfield Computing Ltd | 1984 | ||
| Dot Man (Sushiro) | Micro Marketing (UK) | 1983 | ||
| Duckshoot / Minefield / Zapem | Micro Marketing (UK) | 1983 | ||
| Fish / Flutterer | Jupiter Cantab (UK) | 1983 | ||
| Frogger | Boldfield Computing Ltd | 1984 | ||
| Galactic Invasion | JRS Software Ltd (UK) | 1983 | ||
| Gobbledegook | Jupiter Cantab (UK) | 1983 | ||
| Greedy Gobbler / Blowing Up the World | Jupiter Cantab (UK) | 1983 | ||
| Missile Man / Space Fighter Pilot | Jupiter Cantab (UK) | 1983 | ||
| Moo / Hangman | Jupiter Cantab (UK) | 1983 | ||
| Othello | Jupiter Cantab (UK) | 1983 | ||
| Overtaker / Brands Hatch | Jupiter Cantab (UK) | 1983 | ||
| Puzzle / Bombs | Boldfield Computing Ltd | 1984 | ||
| Subs | JRS Software Ltd (UK) | 1983 | ||
| SuperChess II | CP Software | 1983 | ||
| Swamp Monsters | Micro Marketing (UK) | 1983 | ||
| Triple Pack 1: Balloon Pilot / Shuttlecock | Boldfield Computing Ltd | 1983 | ||
| TV Jupiter Says | Micro Marketing Ltd | 1983 | ||
| Zombies and Potholes | Jupiter Cantab (UK) | 1983 | ||
| Video games › Hobbyist and indie games | ||||
| Ace Invaders (Forth Dimension) | Forth Dimension | 1983 | ||
| Ace Invaders (Hi-Tech Microsoft) | Hi-Tech Microsoft | 1983 | ||
| Ace Pack 1 (Insect Catcher, Surround, Grand Prix) | Dream Software | 1983 | ||
| Ace Pack 2 (Defence, Sketch, Racer, Code Breaker) | Dream Software | 1983 | ||
| Ace Pack 3 (Picman, Breakout, Life) | Dream Software | 1983 | ||
| ACE Snake | Stusoft | 1984 | ||
| Asteroids (AMR-Soft) | AMR-Soft | 1983 | ||
| Asteroids (Hamsoft) | Hamsoft | 1983 | ||
| Atomic Sub | T. M. Phizackerley | 1983 | ||
| Bouncing Bill | D. Leonard | 1983 | ||
| Breakout | Hamsoft | 1983 | ||
| Cave Dive | Softspot | 1984 | ||
| Cavern Attack | Hi-Tech Microsoft | 1982 | ||
| City Bomber | Softspot | 1984 | ||
| Cosmic Meteors | Hi-Tech Microsoft | 1983 | ||
| Defender | Softspot | 1984 | ||
| Earth Defence | Hamsoft | 1983 | ||
| Elusive Recluse / Acesnake | Stusoft | 1984 | ||
| Empire Invasion | Hi-Tech Microsoft | 1982 | ||
| Fire Fox | Softspot | 1983 | ||
| Firebird | Voyager Software | 1983 | ||
| Frogger (AMR-Soft) | AMR-Soft | 1983 | ||
| Frogger (R. Roberts) | R. Roberts | 1983 | ||
| Games Tape One (Federation Software) | Federation Software | 1983 | ||
| Games Tape One (Brick Catcher, Asteroids, Street Racer, TimeVaders) | Voyager Software | 1983 | ||
| Games Tape Two | Voyager Software | 1983 | ||
| Games Tape Three (Bomber, Jackpot) | Voyager Software | 1983 | ||
| Ganymede | ACS Software | 1983 | ||
| Green X Frog | Hi-Tech Microsoft | 1983 | ||
| Haunted House | Dream Software | 1983 | ||
| Hawkeye | Federation Software | 1983 | ||
| High Voltage | P. Cousins | 1983 | ||
| Hopper | Discount Software | 1983 | ||
| Invaders (AMR-Soft) | AMR-Soft | 1983 | ||
| Invaders (T. M. Phizackerley) | T. M. Phizackerley | 1983 | ||
| JA1 Tape | R. Roberts | 1983 | ||
| JA3 (Lair of the Dragon Lord) | R. Roberts | 1983 | ||
| Jovian Game Tape 1 (Aceteroids, Demolition, Moneymatrix, Golfgrid, Duckinvaders) | Jovian Games | 1983 | ||
| Jumpman | Callisto Software | 1984 | ||
| Krazy Kong | J. Jones | 1983 | ||
| Life | Hamsoft | 1983 | ||
| Life on Jupiter | Hi-Tech Microsoft | 1983 | ||
| Light Cycles | Softspot | 1983 | ||
| Maceman | Voyager Software | 1983 | ||
| Mastermind | Hamsoft | 1983 | ||
| Mazeman | P. Cousins | 1983 | ||
| Memory Stars | Hi-Tech Microsoft | 1983 | ||
| Meteor Racer | Forth Dimension | 1983 | ||
| Meteor Storm | D. Leonard | 1983 | ||
| Micro Maze | Hi-Tech Microsoft | 1983 | ||
| Millepede | Softspot | 1983 | ||
| Owler | Callisto Software | 1983 | ||
| Pakman | AMR-Soft | 1983 | ||
| Racer | Hamsoft | 1983 | ||
| Remsoft Tape 2: Night Rider / Sketch / Editor | Remsoft | 1983 | ||
| Remsoft Tape 3: Appleater / Parachute / Meteor Cruise | Remsoft | 1983 | ||
| Remsoft Tape 4: Saucer / Driver / Maze / Para | Remsoft | 1983 | ||
| Remsoft Tape 5: Frogger | Remsoft | 1983 | ||
| Remsoft Tape 9: Bomber / Gorger / Bouncy | Remsoft | 1983 | ||
| Remsoft Tape 12: Frogger / Scramble / Meteor / Breakout / Star Wars | Remsoft | 1983 | ||
| Remsoft Tape 15: Aliens | Remsoft | 1983 | ||
| Remsoft Tape 16: Graphic Golf | Remsoft | 1983 | ||
| Reversi | R. Roberts | 1984 | ||
Table data adapted from its source, CC BY-SA 4.0.