[TUHS] Attempting To Build NOSC and BBN UNIXs + ARPANET code
lars at nocrew.org
Thu Oct 13 15:50:30 AEST 2022
Noel Chiappa wrote:
> Did VDH PDP-11's have a special VDH interface, or did they simply use
> an off-the-rack DEC synchronous serial interface like a DU11?
Sorry, no idea. I have only studied PDP-10 interfaces.
> Anyway, you don't want to use VDH.
If imp11a.c is beoynd repair, I'd say go with the ACC interface. There
is documentation and a working emulator already exists, albeit for a
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