ZX81 was my first machine. Got me hooked on coding at 11, and I'm still coding full time for a living 36 years later. I learnt the most important aspects of pr

ZX81 was my first machine. Got me hooked on coding at 11, and I'm still coding full time for a living 36 years later. I learnt the most important aspects of programming on the ZX81 with nothing more than 1k RAM, a small B&W CRT TV and a tape recorder.