[Simh] VAX 780 & BSD 4.2

[simh mailing list - Scott Taylor]

How are you booting the stand program to get to the copy phase, and what
device are you booting with the image you've assembled?

-scott

> I know I'm in way over my head, but I thought Id try to bootstrap 4.2 on the
> new build of simh (Im trying win32 built with Visual C 2003 & OSX with gcc
> 3.3)
> 
> >From what I gather the 780 will only boot from the TUK50 tape & various
> disks, so the RX console floppy and the TQ TK50 is out of the question.  So
> I was thinking of making a 'hybrid' tape with the 4.3 stand program, and the
> miniroot & dump/usr from 4.2 .  I am having trouble building the tapes using
> backwr, The bootstrap will run, but when it does the 'copy' phase it seems
> to read the entire tape & dump out to the entire ra disk...   What is the
> best program to make tape files out of files on the filesystem? (ie stand,
> miniroot, rootdump, usr.tar) And does the hybrid dump on the emulated
> microvax & swap drives to the 780 sound even right?
> 
> I'm probably barking up the wrong tree on the whole thing, but thanks for
> any help!
> 
> If it matters I'm dying to see if the 4.2 in the archive is 'vulnerable' to
> the Cuckoo's egg cron issue that was in that Clifford Stoll book.
> 
> Thanks again!
> Jason
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