> compatible at the C source level I don't think most of it was originally imple... | Hacker News

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		lproven on Dec 22, 2022 \| parent \| context \| favorite \| on: Amiga Forever > compatible at the C source level I don't think most of it was originally implemented in C. > at OS API level That's the problem. Keep the original non-protected-memory APIs and you can't have memory protection; add memory protection, and it can't be API-compatible. It's catch 22.

rbanffy on Dec 22, 2022 [–]

> I don't think most of it was originally implemented in C.

IIRC, AmigaDOS was written in BCPL and later moved to C.

> Keep the original non-protected-memory APIs and you can't have memory protection;

Kind of - you can always give the process the illusion it's running alone (or alongside the processes it started).

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