boot rp0 terminates with HALT instruction, PC: 377022 (HALT 377022)

[secristr]

I was able to successfully launch the simulator after the following tweaks, but at "boot rp0" it fails with a "HALT instruction, PC: 377022 (HALT 377022)". Any recommendations on how to proceed?

ENVIRONMENT

$ lsb_release -a
No LSB modules are available.
Distributor ID: Linuxmint
Description: Linux Mint 20.2
Release: 20.2
Codename: uma

$ uname -a
Linux foo 5.4.0-200-generic #220-Ubuntu SMP Fri Sep 27 17:42 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

REPRODUCIBLE CASE

1. Download zip from https://github.com/blarsen/docker-tops10
2. Unzip
3. cd ~/tops10-docker/docker-tops10-master
4. sudo apt install docker.io
5. sudo usermod -aG docker $USER
6. sudo chmod 666 /var/run/docker.sock
7. make

$ make
docker build -t tops10 .
DEPRECATED: The legacy builder is deprecated and will be removed in a future release.
Install the buildx component to build images with BuildKit:
https://docs.docker.com/go/buildx/

Sending build context to Docker daemon 8.192kB
Step 1/5 : FROM bjornhell/simh:latest
latest: Pulling from bjornhell/simh
d5c6f90da05d: Pull complete
1300883d87d5: Pull complete
c220aa3cfc1b: Pull complete
2e9398f099dc: Pull complete
dc27a084064f: Pull complete
d651bf00c7d6: Pull complete
13cb32a0759c: Pull complete
928023207dd2: Pull complete
52635ee02a3d: Pull complete
6762183fbb7c: Pull complete
Digest: sha256:2889fc4572dd42ae24955ffbde9579be7e60cada8212f8141f533de67fa3f78d
Status: Downloaded newer image for bjornhell/simh:latest
---> b6ab5c248265
Step 2/5 : RUN mkdir /usr/local/tops10
---> Running in 3f946d3a0642
Removing intermediate container 3f946d3a0642
---> fc2d18b3998a
Step 3/5 : COPY tops10.cfg /usr/local/tops10
---> 48d0cff98412
Step 4/5 : COPY t10.dsk /usr/local/tops10
---> ccecc19898a7
Step 5/5 : CMD /usr/local/bin/pdp10 /usr/local/tops10/tops10.cfg
---> Running in 2a5a5e7d2ffa
Removing intermediate container 2a5a5e7d2ffa
---> c44137ecfb43
Successfully built c44137ecfb43
Successfully tagged tops10:latest

8. sudo systemctl restart docker
9. run

$ docker run -ti tops10

PDP-10 simulator V3.9-0
Listening on port 2020 (socket 5)
Modem control activated
Auto disconnect activated
Logging to file "/var/log/tops10.log"

HALT instruction, PC: 377022 (HALT 377022)
sim> c

HALT instruction, PC: 377022 (HALT 377022)

[manually execute commands in the tops10.cfg to make sure those executed]

sim> set tim y2k
sim> attach rp0 /usr/local/tops10/t10.dsk
sim> attach -am dz 2020
Listening on port 2020 (socket 4)
Modem control activated
Auto disconnect activated
sim> set console log=/var/log/tops10.log
Log file closed
Logging to file "/var/log/tops10.log"
sim> boot rp0

HALT instruction, PC: 377022 (HALT 377022)
sim> exit
Goodbye
Log file closed