[HECnet] KLH10 on Raspberri Pi / Nodelist update

[Boyanich, Alastair]

Hi Jordi,

I've not messed around with TOPS-10/20 and only VMS on simh, but there
you need specify which O/S is running inside the VM and specify it with
something like:

set cpu idle=VMS   

If I get it wrong or omit it, then it will sit there wasting a huge
amount of cycles on my alpha. Off the top of my head,   I suspect simh is
actually looking for instruction patterns for the idle loop and
detecting based upon that, which would differ from O/S to O/S. Perhaps
TOPS-10/20 requires something similar?

Al.

-----Original Message-----
From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE]
On Behalf Of Jordi Guillaumes i Pons
Sent: Monday, 3 December 2012 8:25 PM
To: hecnet at Update.UU.SE
Subject: [HECnet] KLH10 on Raspberri Pi / Nodelist update

Hello,

Please add to the HECnet nodelist:

7.79	BITXT0	TOPS-20(PANDA) - KLH10 - Raspbery Pi

I am running this simulator in the same Pi which currently holds 5
more VMs. I
will see if it keeps stable, and if it does I will run it permanently.

Issues to solve

- KLH10 does not idle in the Pi. I'll check the idler device code to
see if I can
guess what is happening.

- I tried to give KLH10 its own bridge device, plugged into the rest
of my
network via VDE switches and plugs, but it does not work. I have lots
of IPBLP
bugchecks and IP networking is unusable (weird enough, DECNET and LAT
seem to work). It works fine if I use the main host interface in
non-exclusive
mode (but then I don't get LAT).

- KLH10 frontend can't load *.EXE files.

- TOPS-10 does not run well. I used a x86 KLH to dump the load code in
SAV
format and then I can boot TOPS-10, but it hungs after a while.

On the other hand, I'm thinking about building a blinkenlights device
using
the GPIO pins of the Rasp-pi basing it on the actual parallel port
blinkenlights
panel driven by the "lites" device... :) It could be another nice
hobby project...


Jordi Guillaumes i Pons
jg at jordi.guillaumes.name
HECnet: BITXOV::JGUILLAUMES