The Tatung Einstein was an

eight-bit In computer architecture, 8-bit integers or other data units are those that are 8 bits wide (1 octet). Also, 8-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers or data buses o ...

home A home, or domicile, is a space used as a permanent or semi-permanent residence for one or many humans, and sometimes various companion animals. It is a fully or semi sheltered space and can have both interior and exterior aspects to it. H ...

personal computer A personal computer (PC) is a multi-purpose microcomputer whose size, capabilities, and price make it feasible for individual use. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or tec ...

produced by

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

ese corporation Tatung, designed in

Bradford Bradford is a city and the administrative centre of the City of Bradford district in West Yorkshire, England. The city is in the Pennines' eastern foothills on the banks of the Bradford Beck. Bradford had a population of 349,561 at the 2011 ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

at Tatung's research laboratories and assembled in

Bridgnorth Bridgnorth is a town in Shropshire, England. The River Severn splits it into High Town and Low Town, the upper town on the right bank and the lower on the left bank of the River Severn. The population at the 2011 Census was 12,079. History B ...

and

Telford Telford () is a town in the borough of Telford and Wrekin and ceremonial county of Shropshire, England, about east of Shrewsbury, south west of Stafford, north west of Wolverhampton and from Birmingham in the same direction. With an est ...

, England. It was aimed primarily at small businesses.

History

The Tatung Einstein TC-01 was released in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

in the summer of 1984, and 5,000 were exported to

Taipei Taipei (), officially Taipei City, is the capital and a special municipality of the Republic of China (Taiwan). Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about southwest of the n ...

later that year. A Tatung monitor (

monochrome A monochrome or monochromatic image, object or palette is composed of one color (or values of one color). Images using only shades of grey are called grayscale (typically digital) or black-and-white (typically analog). In physics, monochrom ...

or colour) and

dot matrix printer A dot matrix printer is an impact printer that prints using a fixed number of pins or wires. Typically the pins or wires are arranged in one or several vertical columns. The pins strike an ink-coated ribbon and force contact between the ribbon ...

were also available as options, plus external disc drives and an 80 column display card. It was also capable of running

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 ...

software with the "Speculator" addon. More expensive than most of its rivals, the Einstein was popular with contemporary programmers as a development machine but was commercially unsuccessful. A later revised version, called the Tatung Einstein 256 and released in 1985, suffered a similar fate.

Design

The machine was physically large, with an option for one or two built-in three-inch

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 ...

drives manufactured by

Hitachi () is a Japanese multinational corporation, multinational Conglomerate (company), conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. It is the parent company of the Hitachi Group (''Hitachi Gurūpu'') and had formed part of the Ni ...

. At the time, most home computers in the UK used ordinary

tape recorder An audio tape recorder, also known as a tape deck, tape player or tape machine or simply a tape recorder, is a sound recording and reproduction device that records and plays back sounds usually using magnetic tape for storage. In its present- ...

s for storage. Another unusual feature of the Einstein was that on start-up the computer entered a simple

machine code monitor A machine code monitor ( machine language monitor) is software that allows a user to enter commands to view and change memory locations on a computer, with options to load and save memory contents from/to secondary storage. Some full-featured m ...

, called MOS (Machine Operating System). A variety of software could then be loaded from disk, including a

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 ...

-compatible

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 ...

called Xtal DOS (pronounced 'Crystal DOS', created by Crystal Computers in

Torquay Torquay ( ) is a seaside town in Devon, England, part of the unitary authority area of Torbay. It lies south of the county town of Exeter and east-north-east of Plymouth, on the north of Tor Bay, adjoining the neighbouring town of Paignton ...

), and a

BASIC BASIC (Beginners' All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College ...

interpreter (Xtal BASIC). More than 400 software titles were released for the system, including about 120 games. Versions of popular software like

DBase dBase (also stylized dBASE) was one of the first database management systems for microcomputers and the most successful in its day. The dBase system includes the core database engine, a query system, a forms engine, and a programming language ...

WordStar WordStar is a word processor application for microcomputers. It was published by MicroPro International and originally written for the CP/M-80 operating system, and later written also for MS-DOS and other 16-bit PC OSes. Rob Barnaby was the sol ...

were available. Thanks to the reliability of the machine, and ample memory, the machine proved useful by many software houses to use for programming, and then porting the code to the machines they were made for, namely the Spectrum 48k,

Amstrad CPC The Amstrad CPC (short for ''Colour Personal Computer'') is a series of 8-bit home computers produced by Amstrad between 1984 and 1990. It was designed to compete in the mid-1980s home computer market dominated by the Commodore 64 and the Sin ...

, and

Commodore 64 The Commodore 64, also known as the C64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, January 7–10, 1982, in Las Vegas). It has been listed in the Guinness ...

. Eventually, it was superseded by the PC and

Atari ST The Atari ST is a line of personal computers from Atari Corporation and the successor to the Atari 8-bit family. The initial model, the Atari 520ST, had limited release in April–June 1985 and was widely available in July. It was the first pers ...

as the development systems of choice. The follow on machine, the Einstein 256, basically was the same as the original, with improved video (

Yamaha V9938 The Yamaha V9938 is a video display processor (VDP) used on the MSX2 home computer, as well as on the Geneve 9640 enhanced TI-99/4A clone and the Tatung Einstein 256. It was also used in a few MSX1 computers, in a configuration with 16kB VRA ...

) and a more slimline black case.

Technical specifications

Both machines were quite similar.

Tatung Einstein TC-01

The Tatung Einstein TC-01 specifications are similar the MSX standard. * CPU:

Zilog Z80 The Z80 is an 8-bit microprocessor introduced by Zilog as the startup company's first product. The Z80 was conceived by Federico Faggin in late 1974 and developed by him and his 11 employees starting in early 1975. The first working samples wer ...

A @ 4

MHz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one he ...

* ROM: 8K to 32K * RAM: 64 KB system; 16 KB video * Video: Texas Instruments TMS9129, 16 colours, 32 sprite planes * Audio:

AY-3-8910 The AY-3-8910 is a 3-voice programmable sound generator (PSG) designed by General Instrument in 1978, initially for use with their 16-bit General Instrument CP1600, CP1610 or one of the PIC1650 series of 8-bit microcomputers. The AY-3-8910 and ...

(also reads the keyboard matrix) * Z84C30 CTC * Z84C20 PIO *

Intel 8251 The 8251 is a Universal Synchronous/Asynchronous Receiver/Transmitter (USART) packaged in a 28-pin DIP made by Intel. It is typically used for serial communication and was rated for per second signalling rate. It is commonly confused with the mu ...

SIO * 1770 FDC 3'' floppy disk controllers * Z80 'Tube' bus/interface * Analogue joystick ports

Tatung Einstein 256

The Tatung Einstein 256 was similar to the original with improved video (

) and more RAM. * RAM: 64K user; 192K video * Video:

, 512 colours

References

External links

{{commons category, Tatung Einstein
Tatung Einstein Computer GroupTatung Einstein Reborn
Z80-based home computers CP/M Computer-related introductions in 1984 Computers designed in the United Kingdom