Heh. I have a
MicroVAX-II simulator that's sort of on hold. I had
similar issues; there are some undocumented (as far as I can tell)
aspects of the hardware which the ROM POST code depends on.
I've scanned the
78032 manual and I'm sure it's online somewhere.
I'd be (very) surprised if the IB is not documented [...]
Ah. Then "undocumented (as far as I can tell)" here really means "I
haven't found the right manual yet".
I'll keep your message around and go digging for the scans you refer to
some time when I have the leisure. Thanks for the pointer!
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