I am sure most of you who started programming around the same time that I did (in the first few years of the 1980's) at one point carried something like this in your wallets:



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  1. Jonas

    Haha… Nerd warning… I didn’t have the ASCII codes in my wallets, but I still remember some Z80A instructions (opcodes) and some “important” POKEs to my old ZX82 (Sinclair Spectrum) 🙂

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