Micral hunting N
by Pierre Mounier-Kuhn Historian CNRS, Sorbonne University and CentraleSupélec In 1990, while beginning my thesis on the history of computing in France, I organised an international symposium on the subject at the Conservatoire des Arts et Métiers, embellished by an exhibition at the Museum of the same name. Alongside the French and foreign pioneers
Programming the Micral N
By Sylvain Glaize So we have functional hardware, functional emulation. We also have everything we need to communicate with the machine via the serial port. Now it's time to plan a few programs that could be run. To do this, we plan to use a floppy disk drive simulator, but this time we're going to use it as a simulator.
In search of R2E engineers and technicians: Yann Lanoë, Frédéric Cousin
By Hervé Le Bouler. Let's return to the lives of those involved in the R2E era with two new points of view. One is from a young engineer fresh out of school, Yann Lanoë, who began his professional career in technical management in François Gernelle's team. The other, Frédéric Cousin, a technician with
In-depth analysis of the Micral N electronic boards
By Philippe Dubois, Chairman. In this eleventh article, we return to the analysis of the electronic boards of our Micral N, which has progressed enormously thanks to the joint work of Jean-François, Sylvain and Arthur. All their work has been progressively recorded on a page hosted on the
Progress on the Micral N emulator
By Sylvain Glaize. The Micral N is up and running. Once the emotions are over - a mixture of relief and joy - it's time to check that the emulator behaves like the real thing. Particularly on unclear points in the documentation, which could lead to several interpretations. This was the case with
In search of R2E engineers: Jacky Dubois
By Hervé Le Bouler. Let's take a break between two technical articles to talk a little about the stories, the slices of life of the players from this extraordinary era working in the creative and fertile companies that built the IT revolution in France. R2E is a case in point.
Checking that the Micral N is working properly and starting up for the first time
By Philippe Dubois, Chairman. In this, our eighth article, we're going to get a little more to the heart of the matter, because after studying and reverse engineering the Micral N's boards and even replacing a few components, we're finally going to get our almost 50-year-old model up and running for the first time.
The beginnings of an emulator
By Sylvain Glaize. Let's go back a bit. From our very first discussions on the project, there was the idea of creating a Micral N simulator. The first was to give everyone the chance to manipulate this rare machine virtually. The second is to give everyone the chance to manipulate this rare machine virtually,
The MO5 Micral N restoration team
In this, our sixth article, we take a look at the members of the MO5 association who are working to restore our Micral N and get it up and running again! Jean-François Del Nero: Jean-François is our chief technical engineer. Give him anything with a bit of electronics in it, and he'll fix it, put it back together and make it work again.
Reading and saving Micral N ROMs
By Sylvain Glaize. On 5 April 2021, the all-important Micral N ROM dump session will take place. These EPROMs are so old that it's possible to see the storage transistors because the engraving is so rough. Find out more about their technology,
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