The <strong>Amstrad</strong> Spectrum Computers When <strong>Amstrad</strong> acquired Sinclair Research's computer business in 1986, the future of the ZX Spectrum was far from certain. The Spectrum had already established itself as one of Britain's most successful home computers, but the market was changing rapidly and Sinclair's original machines were beginning to show ...
... commands had an asterisk (*) in immediately after them. This method of accessing the silicon disc was continued when <strong>Amstrad</strong> purchased the rights to Sinclair computers and started production of the ZX Spectrum +2. The +2 was almost the same computer as the Spectrum+ 128K but with a full size keyboard, a built in cassette player and a ...
... the first Spectrum to introduce features that would become important to the later development of the machine under <strong>Amstrad</strong>. The machine was developed jointly by Sinclair Research and its Spanish distributor, Investrónica, under the project name Derby. The Spanish version was launched in September 1985, followed by the UK version in ...
... joystick ports on the +2 and +3 Spectrums, which have D-type sockets but are wired differently and will only accept <strong>Amstrad</strong> SJS1 joysticks, and analogue joystick interfaces which interpret joystick movements as varying electrical resistances which have to be converted to a digital output with an analogue-to-digital converter. Several ...
... a built-in disk drive and a new disk-based operating environment. The later +2A and +2B used much of the newer <strong>Amstrad</strong> hardware developed for the +3 while retaining the cassette-based design. The Spectrum+ therefore represents an important point in the transition from the original Sinclair Spectrum towards the later <strong>Amstrad</strong> ...
... keywords added to the 128K, some commands had a slight change of syntax to allow for 'silicon disc' commands. The <strong>Amstrad</strong> marketed +2 was pretty much the same as the first 128K but the <strong>Amstrad</strong> +3 model added further keywords for the printer interface and disc drive which were added. Many of these keywords were already in use on the ...
... Guns Features Original Price Cheetah Defender Came bundled with six games. £24.9514 Sinclair Magnum Light Phaserfrom <strong>Amstrad</strong> Produced for the ZX Spectrum +2 and +3 and also for the 48K model. +2/+3 model plugs into the AUX port. £149.00 - Bundled with ZX Spectrum +212 £199.00 - Bundled with ZX Spectrum +312 £29.95 - Light Gun ...
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... and other hardware associated with the Spectrum. Later Spectrum Models The ZX Spectrum+, ZX Spectrum 128K and the <strong>Amstrad</strong> versions, including the +2, +2A, +2B and +3. International Versions International versions and related machines, including Timex Sinclair, Investronica Spectrum, Timex Computer and dB. History and Reference A ...