What are the really unusual or weird computers?
aek at bitsavers.org
Fri Jun 22 13:07:44 CDT 2007
> What I want to know is, what did they write the original mac os on.
> And is that what they wrote the subsequent versions on?
Lisa for the System until roughly the start of MPW when there was a
Mac-hosted build environment. The ROM was entirely assembler and could
be built on a Mac Plus with HD20 (slowly).
Parts of the system converted from Pascal to
C through the 80's.
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