Loki was the

code name A code name, call sign or cryptonym is a code word or name used, sometimes clandestinely, to refer to another name, word, project, or person. Code names are often used for military purposes, or in espionage. They may also be used in industrial c ...

for a cancelled home computer developed at

Sinclair Research Sinclair Research Ltd is a British consumer electronics company founded by Clive Sinclair in Cambridge. It was originally incorporated in 1973 as Westminster Mail Order Ltd, renamed Sinclair Instrument Ltd, then Science of Cambridge Ltd, the ...

during the mid-1980s. The name came from the Norse god

Loki Loki is a god in Norse mythology. According to some sources, Loki is the son of Fárbauti (a jötunn) and Laufey (mentioned as a goddess), and the brother of Helblindi and Býleistr. Loki is married to Sigyn and they have two sons, Narfi or Na ...

, god of mischief and thieves. Loki was based on the

ZX Spectrum The ZX Spectrum () is an 8-bit computing, 8-bit home computer that was developed by Sinclair Research. It was released in the United Kingdom on 23 April 1982, and became Britain's best-selling microcomputer. Referred to during development as t ...

, but intended to rival the

Amiga Amiga is a family of personal computers introduced by Commodore in 1985. The original model is one of a number of mid-1980s computers with 16- or 32-bit processors, 256 KB or more of RAM, mouse-based GUIs, and significantly improved graphi ...

for video games. ''Loki'' followed two earlier, aborted research projects from Sinclair: the 68008-based SuperSpectrum home computer (cancelled in 1982) and the LC3 game console (cancelled in 1983).

Design

According to an article published in ''

Sinclair User ''Sinclair User'' was a magazine dedicated to the Sinclair Research range of home computers, most specifically the ZX Spectrum (while also occasionally covering arcade games). Initially published by ECC Publications, and later EMAP, it was publi ...

'' magazine, Loki was to have a 7 MHz Z80H

CPU A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, and ...

, a minimum of 128

KiB The byte is a unit of digital information that most commonly consists of eight bits. Historically, the byte was the number of bits used to encode a single character of text in a computer and for this reason it is the smallest addressable unit ...

RAM Ram, ram, or RAM may refer to: Animals * A male sheep * Ram cichlid, a freshwater tropical fish People * Ram (given name) * Ram (surname) * Ram (director) (Ramsubramaniam), an Indian Tamil film director * RAM (musician) (born 1974), Dutch * Ra ...

and two custom chips providing much enhanced video and audio capabilities compared to the ZX Spectrum, but with a compatibility mode. The video chip, referred to as the ''Rasterop'' chip, would have

blitter A blitter is a circuit, sometimes as a coprocessor or a logic block on a microprocessor, dedicated to the rapid movement and modification of data within a computer's memory. A blitter can copy large quantities of data from one memory area to anot ...

-type functionality and three different modes: 512×256 pixels with 16 colours, 256×212 with 256 colours, or 256×212 with 64 colours and two bits per pixel used for "blitter objects". Comprehensive peripheral support was also claimed, including

MIDI MIDI (; Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and re ...

lightpen A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed objects or draw on the screen in a similar way to a tou ...

, joystick and

floppy disk A floppy disk or floppy diskette (casually referred to as a floppy, or a diskette) is an obsolescent type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined w ...

. A version of the

SuperBASIC SuperBASIC is an advanced variant of the BASIC programming language with many structured programming additions. It was developed at Sinclair Research by Jan Jones during the early 1980s. Originally SuperBASIC was intended as the BASIC interprete ...

language from the

Sinclair QL The Sinclair QL (for ''Quantum Leap'') is a personal computer launched by Sinclair Research in 1984, as an upper-end counterpart to the ZX Spectrum. The QL was aimed at the serious home user and professional and executive users markets from small ...

was to be provided in place of the old

Sinclair BASIC Sinclair BASIC is a dialect of the programming language BASIC used in the 8-bit home computers from Sinclair Research and Timex Sinclair. The Sinclair BASIC interpreter was made by Nine Tiles Networks Ltd. History Sinclair BASIC was orig ...

for the

and support for the

CP/M CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/ 85-based microcomputers by Gary Kildall of Digital Research, Inc. Initial ...

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also in ...

was also intended. On top of this, the computer would cost as little as £200. Another Spectrum magazine, ''

Crash Crash or CRASH may refer to: Common meanings * Collision, an impact between two or more objects * Crash (computing), a condition where a program ceases to respond * Cardiac arrest, a medical condition in which the heart stops beating * Couch su ...

'', poured scorn on the report in ''Sinclair User'', dismissing the design as " dreamware" in the opinion of an ex-Sinclair designer they consulted, analysing the implied components and costs, and adding, "It may be fun to dream about Loki, but the fact is that it won't appear, and nor will anything like it." This was the rationale, according to Crash Technical Editor Simon Goodwin:

History

When

Amstrad Amstrad was a British electronics company, founded in 1968 by Alan Sugar at the age of 21. The name is a contraction of Alan Michael Sugar Trading. It was first listed on the London Stock Exchange in April 1980. During the late 1980s, Amstrad ...

bought out Sinclair's computer business in 1986, the project was cancelled. Martin Brennan and John Mathieson, two Sinclair engineers, took the ''Loki'' concept with them and founded

Flare Technology Flare Technology was a computer hardware company based in Cambridge, United Kingdom. It was founded in 1986 by Martin Brennan, Ben Cheese, and John Mathieson, former engineers at Sinclair Research. Flare Technology first worked for Amstrad befor ...

. There they worked on the cancelled

Konix Multisystem The Konix Multisystem was a cancelled video game system under development by Konix, a British manufacturer of computer peripherals. Background The Konix Multisystem began life in 1988 as an advanced Konix peripheral design intended to build on th ...

game console, then later worked with

Atari Corporation Atari Corporation was an American manufacturer of computers and video game consoles. It was founded by Jack Tramiel on May 17, 1984, as Tramel Technology, Ltd., but then took on the Atari name less than two months later when WarnerMedia, Warn ...

on the

Panther Panther may refer to: Large cats *Pantherinae, the cat subfamily that contains the genera ''Panthera'' and ''Neofelis'' **''Panthera'', the cat genus that contains tigers, lions, jaguars and leopards. ***Jaguar (''Panthera onca''), found in Sout ...

(cancelled) and

Jaguar The jaguar (''Panthera onca'') is a large cat species and the only living member of the genus '' Panthera'' native to the Americas. With a body length of up to and a weight of up to , it is the largest cat species in the Americas and the th ...

systems. According to Jaguar developer Andrew Whittaker, two other Sinclair employees, Bruce Gordon and Alan Miles, who went on to form

Miles Gordon Technology {{unreferenced, date=August 2012 Miles Gordon Technology, known as MGT, was a small British company, initially specialising in high-quality add-ons for the ZX Spectrum home computer. It was founded in June 1986 in Cambridge, England by Alan Miles ...

, also used some of the designs in the

SAM Coupé Sam, SAM or variants may refer to: Places * Sam, Benin * Sam, Boulkiemdé, Burkina Faso * Sam, Bourzanga, Burkina Faso * Sam, Kongoussi, Burkina Faso * Sam, Iran * Sam, Teton County, Idaho, United States, a populated place People and fictional ...

References

External links

USENET posting by Rupert Goodwins in comp.sys.sinclair mentioning ''Loki''
Sinclair computers and derivatives Sinclair Research Cancelled projects {{microcompu-stub