For now, I'm working on the analog output board of the Drumulator. After testing the feasibility of my concept, with the help of a few o...

And meanwhile, I'm making progress on the subject. And it doesn't have to be simple! My goal is to make it 'easy' and not to...

As a reminder, the Cody computer is a small machine that is, in absolute terms, could be considered no more interesting than any other proje...

Well here we are... First in a long series of iterations on building a Drumulator clone. As a reminder: after trying to create a Drumulator ...

When you want to recreate an existing machine, is it better to recreate the hardware to install the original software, or to create new hard...

Since my last post about trying to repair the EMU1, I've done a whole bunch of new tests. I also replaced a few integrated circuits. The...

 In fact, I still cannot read the contents of the EMU1 boot disk. On the other hand, I accumulate the validations of parts that have become ...