[TUHS] A re-analysis of some DECtapes from dmr

Warren Toomey via TUHS tuhs at tuhs.org
Sun Dec 8 11:01:28 AEST 2024


On Sat, Dec 07, 2024 at 09:32:58AM +0000, Lars Brinkhoff wrote:
> Is the kernel for a PDP-11/20 or /45?  If /20, does it use the KS11 for
> memory mapping?

Lars, it's the same kernel as in this project:
https://github.com/DoctorWkt/unix-jun72

Here's part of the SimH config:

set cpu 11/20
set cpu 32K
set rk0 enabled
set rf enabled
set tc enabled
set tc enabled
set rf enabled
set ke enabled
set dci en

Cheers, Warren


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