About 7 years old. I learned on a CPC 64 my uncle had - he had lost the CP/M tape, so all I was left with on first contact with the machine was a BASIC interpre

About 7 years old. I learned on a CPC 64 my uncle had - he had lost the CP/M tape, so all I was left with on first contact with the machine was a BASIC interpreter prompt (and the manuals). PEEKed and POKEd my way out of there pretty fast..