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The good old Sinclair ZX81, one of the first truely affordable home computers that was, for a generation the first introduction to programming. It replaced the (extraordinary for the time) ZX80 and surpassed it in just about every respect. 

As for this site, it contains all the source, tools and info you need to write HiRes games on a real ZX81...


The real thing

Is it worth getting hold of a real ZX81 ?


Getting as close as you can

Firing up ZX81 programs on your laptop


The how and the why

Toolkits for developing HiRes applications on a real ZX81

ZX81 HiRes

The fun stuff

Quick Primer on the ins and outs of ZX81 HiRes