> What I now need to find out is exactly what's needed in order to make a
> self-booting *HFS* CD-ROM.

I think there's information about doing this for the "New World" (iMac
and later) Macs in the tech reports, etc, on Apple's developer site.
(Try searching for "new world".)

I'm not convinced they ever specified how things work well enough on
the older Macs to make this possible there.

-- Dan