And what would
stop you from taking the CP/M BIOS and turning it into a
standalone application that passes its system calls to Mac OS, and using
files as disk images?
You might have some fun with supervisor instructions, but you can trap
and emulate, it might just work.
You wouldn't be running it natively, but that doesn't have to be a
requirement.
That's how Mac Minix ran AFAICR. I think it was reasonably well
behaving too wrt the finder.
MachTen also did something similar.
http://www.floodgap.com/retrotech/machten/
To make a CPM-68K for the Mac, the NetBSD approach might be more useful,
where there is a standalone app that basically simply takes over and doesn't
release the machine. It can then do whatever it wants.
--
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http://www.cameronkaiser.com/ --
Cameron Kaiser * Floodgap Systems *
www.floodgap.com * ckaiser at
floodgap.com
-- The whippings shall continue until morale improves. ------------------------