That would be the source code posted to that sonic.net site. It was a mix of raw dumps of FORTH blocks and printouts converted to PDFs. It wasn't the full source code, and there weren't any design documents in there.
replyYou can see on archive.org where it captured directory info for files which were not stored:
replyhttps://web.archive.org/web/20031218202130/http://www.sonic....
When you navigate those directory archives many of the files are missing. E.g.
https://web.archive.org/web/20030529230704/http://www.sonic....
Some design documents ARE there, e.g. "Specification of 3d display for starquest" : https://web.archive.org/web/20030719111039if_/http://www.son...
Well....... shit. I'd been in there previously and never noticed that. Disregard.
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