| |
ZX Spectrum - Wikipedia, the free encyclopedia |
 | | However, by this point, the Commodore Amiga and Atari ST had taken hold of the market, leaving MGT in eventual receivership. |
 | | Complex loaders with unusual speeds or encoding were the basis of the ZX Spectrum copy prevention schemes, although other methods were used including asking for a particular word from the documentation included with the game - often a novella - or the notorious Lenslok system. |
 | | This had a set of plastic prisms in a fold-out red plastic holder: the idea was that a scrambled word would appear on the screen, which could only be read by holding the prisms at a fixed distance from the screen courtesy of the plastic holder. |
| en.wikipedia.org /wiki/ZX_Spectrum (3777 words) |