Welcome to decuser’s blog
Topics on this blog include computing, retro-computing, operating systems, math, and whatever other technical subjects I happen to be exploring that I find interesting enough to take and share notes about.
Posts
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PAL-1 Getting Started
This is a note on how to get and get started using a PAL-1. The PAL-1 is a replica of the KIM-1, an old-school 6502 trainer, from back in the day.
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Updated and expanded Lions v6 source v1.4
This is an updated and expanded tweaked version of John Lions work, UNIX OPERATING SYSTEM SOURCE CODE LEVEL SIX. It includes the actual source code from v6 and various helps - TOC, alphabetical listing, and where the files live in a running system as well as several different kinds of cross references.
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PAL-1 A KIM-1 replica
A post about my very own working PAL-1. It’s definitely up and running.
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Tweaked version of Lions for Printing and Viewing
This is a tweaked version of John Lions work, UNIX OPERATING SYSTEM SOURCE CODE LEVEL SIX. It includes the actual source code from v6 and various helps - TOC, alphabetical listing, and where the files live in a running system.
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Installing and Using Research Unix Version 7 in the SIMH PDP-11/45 and 11/70 Emulators 2.1
It covers building a working v7 instance from tape files that will run on the SimH emulator. First, the reader will be led through the restoration of a pristine v7 instance from tape to disk. Next, the reader will be led through adding a regular user, making the system multi-user capable. Then, the reader will be shown how to make the system multi-session cable allowing multiple simultaneous sessions. Finally, the system will be put to use with hello world, DMR style, and the learn system will be enabled.
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ratfor and Kernighan and Plaugers Software Tools
A short note documenting the process of getting ratfor working on a v7 instance.
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Enabling the DZ in v7
A short note about installing and using the DZ-11 Terminal Multiplexor in v7 for access from telnet on a host.
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Installing and Using Research Unix Version 7 in the SIMH PDP-11/45 and 11/70 Emulators 2.0
This is a completely reorganized, updated, and edited version of the document. It includes the following sections:
- Installation
- Create a user and set sane TTY options
- Set up multi-session support
- Miscellaneous
It covers building a working v7 instance from tape files that will run on the SimH emulator. First, the reader will be led through the restoration of a pristine v7 instance from tape to disk. Next, the reader will be led through adding a regular user, making the system multi-user capable. Then, the reader will be shown how to make the system multi-session cable allowing multiple simultaneous sessions. Finally, the system will be put to use with hello world, DMR style, and the learn system will be enabled.
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Installing and Using Research Unix Version 7 in the SimH PDP-11/45 and 11/70 Emulators v1.7
Revision 1.7 of Installing and Using Research Unix Version 7 in the SimH PDP-11/45 and 11/70 Emulators is out, get it here: research-unix-7-pdp11-45-v1.7.pdf
Last Updated December 30, 2021
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freebsd 2021 ep 2 logging in and out