No 3D Monster Maze - well, that is a disappointment!!! That was my favourite game on the ZX81 and it actually was terrifying to bump into him even though the sc

No 3D Monster Maze - well, that is a disappointment!!! That was my favourite game on the ZX81 and it actually was terrifying to bump into him even though the screen was very blocky pixels with a very slow refresh rate. We are talking seconds per frame. I am also amazed that you can buy a replacement ZX80 keyboard. This required someone out there to know what it was and to bother to put it on ebay etc. for someone else to find. This is trade at its most obscure, yet this is also our key survival skill - trade. It is what enabled our variation of the human form to survive ice ages where other human varieties perished. We could trade, they could not. Once we traded in things like salt, nowadays it can be in anything including a ZX80 keyboard. The UHF modulator was replaced in this article, the original modulator was ubiquitous and found in all computers of the era that needed a TV for the monitor. At the time this part was taken for granted, however, it was the component that enabled the home computing revolution, without it and screens would have been an extra £400 or so (as per BBC/Acorn monitor). There must be more information out there on how these UHF modulators came into being.