The Bobo64 was an advanced Czech computer compatible with the ZX Spectrum, developed by Václav Daněček between 19. Until 2012/13 the Harlequin existed only as a breadboard prototype, but recently, José Leandro Martínez, Ingo Truppel, and others produced a limited number of PCB versions as an exact board replacement for an actual ZX Spectrum.Ĭzech & Czechoslovak Bobo64 Completed in 2008, it is the first 100% timing compatible clone.

Unofficial British Harlequin Ī British clone of the 48K ZX Spectrum, Harlequin was designed and developed by Chris Smith, to aid the reverse engineering of the ZX Spectrum custom ULA chip, and its research documentation. The court agreed with Amstrad, but the decision was not issued until 1991, when the computer was discontinued, as the 8-bit computer market in Spain was dead in favour of 16-bit computers. A Kempston joystick port was fitted on the rear of the machine.ĭue to the fact that Invéstronica was the distributor of Sinclair's products in Spain – and because Amstrad already had its own exclusive distributor in Spain (Indescomp, later bought by Amstrad itself) – Amstrad sued Investrónica in 1987 to cease sales of the computer. As the ROM was also modified, it has compatibility problems with some games – notably Bombjack, Commando, and Top Gun. Released just after Amstrad bought Sinclair Research Ltd, it looked much like a regular ZX Spectrum+, but all the internal components were redesigned.

Inves Spectrum + Ī clone of the ZX Spectrum+ developed by Investrónica in Spain in 1986, the Inves Spectrum + was based on the work developed by the company on the ZX Spectrum 128. The Timex Sinclair 2048 or T/S 2048 was a never-released variant of the T/S 2068 with 16 KB of RAM.

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