Category Archives: Retro-Computing

Flocoder

I have now got a crude implementation of the Flocoder Flip program written using Flex and Bison. It can take a Flocoder file from the MUSS sources and extract what I hope is compilable MUSL code. The code is on … Continue reading

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MUSS GitHub Project

For anyone who wants to follow the effort to revive MUSS, I have started a project on GitHub. You can find the repository here. The initial effort is focussed on creating FLIP to translate the Flocoder to compilable MUSL and … Continue reading

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MUSS Source Code

  MUSS is the Manchester University Software System. It is an operating system that was designed and built at Manchester University for MU5, designed to be portable, and in fact ported to other machines. In October 2017 I asked the … Continue reading

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Another DEC Rainbow 100+

I recently acquired another Rainbow 100+. Here is a picture of it: This came about because a little while ago I was given a Rainbow, and the person who gave it to me had a second one that he was … Continue reading

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More Leaking Batteries

I haven’t been very active lately because I have had to temporarily relocate my collection. While moving it back again I took the opportunity to reorganise things a bit. In doing so I came across the first two PC motherboards … Continue reading

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Update on H7826 Power Supply Repair

It has been a while since I last posted anything about what I have been up to. However, I have been busy trying to find out what is wrong with the H7826 power supply out of my TURBOchannel Extender. I … Continue reading

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Repair Progress on the H7826 Power Supply

I have been working on the H7826 power supply that came in the TURBOchannel Extender of my DECstation 5000/240. Normally, after a visual inspection, I will just apply power to see if a PSU works. This one, though, was not … Continue reading

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