The hardware of Galaksija Plus was created by Nenad Dunjić and software by Milan Tadić in 1985. The goal was to enhance original Galaksija while keeping the original goal of keeping things inexpensive and simple for the constructor.
Continuing to use Static RAM in Galaksija Plus would have significantly increased the cost, so designers decided to switch to dynamic, built out of 4416 chips. Larger memory prompted the need for faster cassette tape data recording rate, which was increased to 1200 bit/s by modifying another piece of firmware.
Having enough memory to store the bit map and since Galaksija's own CPU directly drove the video signal, video generation hardware did not have to change significantly. Video generation routine was modified to take the raw video data from the new video memory instead of relying on character set ROMs. Some games for original Galaksija used to do a similar trick, albeit in a limited fashion due to restrictive memory capacity.
The final hardware upgrade was addition of AY-3-8910 sound-generation chip, providing contemporary-standard sound to Galaksija without the need to use tricks such as with the cassette tape port (see original Galaksija).
Galaksija Plus featured new software additions: Graphic primitives in BASIC language - commands to draw lines, boxes, circles, other graphic primitives as well as drawing text on graphical screen with different font. Additional firmware (ROM C) also featured Full Screen Source Editor and soft scrolling.
The Acorn Electron was introduced as a lower-cost alternative to the BBC Micro educational/home computer, also developed by Acorn Computers, to provide many of the features of that more expensive machine at a price more competitive with that of the ZX Spectrum. It has 32 kilobytes of RAM, and its ROM includes BBC BASIC II together with the operating system. Announced in 1982 for a possible release the same year, it was eventually introduced on 25 August 1983 priced at £199.
The Amstrad CPC 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 ZX Spectrum; it successfully established itself primarily in the United Kingdom, France, Spain, and the German-speaking parts of Europe, and also Canada.
The Jupiter Ace by Jupiter Cantab was a British home computer released in 1982. 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 limited available software and poor character based graphic display, limited sales and the machine was not a success.
The Commodore 128, also known as the C128, C-128, or C= 128, is the last 8-bit home computer that was commercially released by Commodore Business Machines (CBM). Introduced in January 1985 at the CES in Las Vegas, it appeared three years after its predecessor, the Commodore 64, the bestselling computer of the 1980s. Approximately 2.5 million C128s were sold during its four year production run.
The Electronika BK is a series of 16-bit PDP-11-compatible home computers developed under the Electronika brand by NPO Scientific Center, then the leading microcomputer design team in the Soviet Union. It is also the predecessor of the more powerful UKNC and DVK micros.
The Compukit UK101 microcomputer (1979) is a kit clone of the Ohio Scientific Superboard II single-board computer, with a few enhancements for the UK market - notably replacing the 24×24 screen display with a more useful 48×16 layout working at UK video frequencies. The video output is black and white with 256 semigraphic characters generated by a two kilobyte ROM. It has no bit-mapped graphics capability. The video is output through a UHF modulator, designed to connect to a TV set.
The Galaksija was a build-it-yourself computer designed by Voja Antonić. It was featured in the special edition Računari u vašoj kući of a popular eponymous science magazine, published late December 1983 in Belgrade, Yugoslavia. Kits were available but not required as it could be built entirely out of standard off-the-shelf parts. It was later also available in complete form.
The ATM Turbo, also known simply as ATM is a ZX Spectrum clone, developed in Moscow in 1991, by two firms, MicroArt and ATM.
The Tangerine Microtan 65 was a 6502-based single board microcomputer, first sold in 1979, that could be expanded into, what was for its day, a comprehensive and powerful system. The design became the basis for what later became the Oric Atmos and later computers. Those later machines have similar keyboard addressing and tape I/O as the Microtan 65. The Microtan 65 has a hardware single step function that can be used for debugging software in both ROM and RAM. The computer was available as ready-built boards or as kits consisting of board and components requiring soldering together.
The EACA EG2000 Colour Genie was a computer produced by Hong Kong–based manufacturer EACA, and introduced in Germany in August 1982 by Trommeschläger Computer Service and Schmidtke Electronic.
The PC-6000 series is a series of 8-bit home computers introduced in November 1981 by NEC Home Electronics. There are several models in this series, such as the PC-6001, the PC-6001 MK2 and the PC-6001 MK2 SR. There is also an American version, called the NEC TREK or NEC PC-6001A.
The Research Machines 380Z was an early 8-bit microcomputer produced by Research Machines in Oxford, England, from 1977 to 1985.
The DAI personal computer is an early home computer from the Belgian company Data Applications International. The DAI came to market in 1980. It provided many pioneering features such as high resolution color graphics, a maths co-processor, and a pre-compiling BASIC interpreter. However, it never became a commercial success.
Vector-06C is a home computer with unique graphics capabilities that was designed and mass-produced in USSR in the late 1980s.
The Spectravideo SVI-738 X'Press is an MSX1 compatible home computer manufactured by Spectravideo from 1985. Although compatible with the MSX 1.0 standard, it incorporates several extensions to the standard ; many are hardware-compatible with the MSX 2.0 standard but the system as a whole is not, leading to it being referred to as an "MSX 1.5" computer.
The Dick Smith Super-80 was a Zilog Z80 based kit computer developed as a joint venture between Electronics Australia magazine and Dick Smith Electronics.
The LINK 480Z was an 8-bit microcomputer produced by Research Machines Limited in Oxford, England, during the early 1980s.
The Matsushita JR series was a line of microcomputers produced by Matsushita Electric Industrial during the 1980s. Based on the success of the Sharp MZ and NEC PC-8000 series, it was an attempt by Matsushita to enter the personal computer market.
Oric was a brand of home computers sold in the 1980s by Tangerine Computer Systems. Tangerine was based in the United Kingdom and sold their computers primarily in Europe. All computers in the Oric line were based on the MOS Technology 6502A microprocessor.
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