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Digital Joystick Interfaces | Mister Spectrum

... tandards for interpreting joystick movements exist, namely Kempston (IN 31); Cursor (keys 5,6,7,8); Sinclair (keys 1,2,3,4,5 and 6,7,8,9,0). "Programmable" joystick interfaces can be made to simulate any or almost any keypress which can be ...

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ZX Spectrum+ 128K

... roduction The ZX Spectrum+ 128K was the most substantial development of the Spectrum carried out by Sinclair Research. It doubled the memory of the 48K Spectrum, added a much more capable sound chip, introduced a new version of Sinclair BAS ...

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ZX Spectrum Sound Amplifiers and Synthesizers

... low volume and poor quality, however it is sound none the less. The lack of quality sound from the Sinclair machine inspired a good many add-on peripherals which at the very least would improve the volume and at best would match the qualit ...

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ZX Spectrum Keyboards and Keyboard Accessories

... then later Saga Systems LtdSee also: Saga 2 Profile a redesign of the Lo>>Profile by Saga. £49.951 Sinclair ZX Spectrum+ upgrade kit Official Sinclair upgrade kit. 58 keys in total with extra 17 keys including 'TRUE VIDEO', 'INVERSE VIDEO' ...

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ZX Spectrum 16K and 48K

... Software Publications Projects ZX Spectrum 16K and 48K Introduction The ZX Spectrum was launched by Sinclair Research in April 1982, following the success of the ZX81. Designed by Richard Altwasser and developed with Sinclair's emphasis on ...

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ZX Spectrum+

Home Hardware Peripherals Software Publications Projects ZX Spectrum+ Introduction In October 1984, Sinclair Research introduced the ZX Spectrum+, an updated version of the highly successful 48K ZX Spectrum. The new machine replaced the dis ...

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On This Day - 17th October

... . Here is the historical information we have recorded for October . 1983 Spectrum sales top 500,000 Sinclair Research announced that sales of the ZX Spectrum had passed half a million machines. The figure covered mail-order and retail sales ...

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ZX Spectrum Light Pens | Mister Spectrum

... d other forms of on-screen interaction. This section documents light pens developed or sold for the Sinclair ZX Spectrum, including their features, contemporary descriptions and published prices where these can be established from surviving ...

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ZX Spectrum Input Devices & Controllers

... r price. Light Guns Features Original Price Cheetah Defender Came bundled with six games. £24.9514 Sinclair Magnum Light Phaserfrom Amstrad Produced for the ZX Spectrum +2 and +3 and also for the 48K model. +2/+3 model plugs into the AUX p ...

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Expansion Systems (i)

... Slot Motherboard complete with connectors. Fully Buffered 64 Way Signal Bus. On Board Reset Switch. Sinclair Edge Connector Expansion. Compatible with Microtext Accessories. Claimed to be released later: 2K RAM Board. Disc Interface Board. ...

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ROM Cartridge Interfaces | Mister Spectrum

Home Hardware Peripherals Software Publications Projects UPDATED ROM Cartridge Interfaces The Sinclair ZX Interface 2, introduced in 1983, established the original ROM cartridge standard for the ZX Spectrum. It allowed software to be loaded ...

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About Mister Spectrum

... um Mister Spectrum is a website dedicated to exploring, documenting and preserving the world of the Sinclair ZX Spectrum and its programming, hardware and history. The site grew from my own interest in researching the Spectrum, particularly ...

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The Amstrad Spectrum Computers

... are Peripherals Software Publications Projects The Amstrad Spectrum Computers When Amstrad acquired Sinclair Research's computer business in 1986, the future of the ZX Spectrum was far from certain. The Spectrum had already established itse ...

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Expansion Systems (i)

... motherboard complete with connectors. Fully buffered 64-way signal bus with on-board reset switch. Sinclair edge connector expansion. Compatible with Microtext accessories. [5] Planned Expansion Boards: [5] 2K RAM Board Disc Interface Boar ...

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Page Revised: 07/09/2026