Author Archives: rjarratt

MUSL Compiler Builds a Simple MU5 Program

Posted on May 2, 2019

I have been slowly working on getting a MUSL compiler that targets the MU5 emulator, with the ultimate goal of compiling the MUSS source code to run on it. The first step is to build a cross compiler that works … Continue reading →

Posted in MU5, MUSS, Retro-Computing | 2 Comments

Teletype Model 33 ASR Ribbon Feed

Posted on March 17, 2019

In November last year I attended DEC Legacy 2018 and as usual I took along my treasured Teletype Model 33 ASR. I hooked it up as usual to the PDP10 simulator in SIMH to run DEC’s TOPS-20 operating system. You … Continue reading →

Posted in Retro-Computing | Leave a comment

DECstation 5000/240 With the TURBOchannel Extender

Posted on October 7, 2018

Recently I repaired the H7826 power supply in my TURBOchannel Extender. So now I wanted to get it working with the DECstation 5000/240 it came with. The trouble is, I don’t have the cable to connect the Extender to the … Continue reading →

Posted in Retro-Computing | Leave a comment

H7826 Power Supply Repaired

Posted on September 23, 2018

After a spell of concentrating on other things I have finally got round to looking again at the H7826 power supply from my TURBOchannel Extender. When I left it back at the beginning of the year I was waiting for … Continue reading →

Posted in Retro-Computing | 1 Comment

Flocoder FLIP Now Processes Its Own Source

Posted on August 12, 2018

I am at the stage with my MUSS restoration that I can process the Flocoder FLIP source code with my own implementation of FLIP written in Flex and Bison. My MUSL compiler can’t process all the Flocoder source files yet … Continue reading →

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Flocoder Flip Progress

Posted on July 30, 2018

I haven’t been doing much in the vintage computing arena recently, but I have finally got around to finishing off my crude implementation of Flip. The source code is up on GitHub. My first attempt didn’t work very well. I … Continue reading →

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MUSS Source Code Now Available

Posted on July 3, 2018

I have received qualified permission to publish the MUSS source code that was recently recovered, as free and open source software. It is available here. I have also made a bit of progress on the MUSS restoration. My implementation of FLIP … Continue reading →

Posted in MUSS, Retro-Computing | Leave a comment