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Another thing was not having the perspective of what was possible or not, no such thing of "you have to use X to do Y".

This.

My first thought back then with my C64 and BASIC: "I'll make it so when someone types LIST they won't be able to see the code, by writing more BASIC code that prevents it".

REM<SHIFT-L> - it's weird the things that stick in your head after all this time. Likewise SYS 64738, 64760, 64767 and a few others. One to really mess with people was: POKE 53280, 0 # set screen to black POKE 53281, 0 # set font/foreground black SYS 64767 # fast restart which doesn't unset colours. At that point unless they know what's happened they cant RUN-STOP/RESTORE to get out of anything.

I do miss the 64 (and the Amiga which followed). The variety of machines back then was really refreshing compared to now.

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