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by jacquesm 2847 days ago
> There was not already a GB of OS loaded that you had a hard time to learn. All the code that was there was what you wrote (copied) yourself.

Typically you had 16K of ROM BASIC, if you were really lucky on a half decent machine (BBC or so) you would have something more akin to todays BIOS in another 16K. So there was some code there, just not easily accessible or replaceable.