The very first computer I bought. It was a great piece of engineering, using only 4 chips to create a full-featured computer. Interesting enough, the CPU (Z80) was even responsible for screen refresh. That’s why there was a FAST mode, which suspended screen refresh and allowed for faster processing.
There was a chess program fitting into 1K of RAM. I wrote a shoot-em-up piece of software for the ZX81. Software was saved/loaded via a tape recorder.
Those were the days. We had stones for lunch every day. Every other day, there weren’t even stones.
Those were the days.