Memory map thoughts for a bare-metal system

In my continuing research for my bare-metal operating system and language, I have been looking at polyFORTH. This is a system language designed for use on the massively-parallel processor chips produced by GreenArrays, obviously from the same heritage as the Problem Oriented Language philosophy from Charles Moore’s 1970 document. One interesting thing about the polyFORTH …

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Raspberry Pi USB WiFi working at last

A few days ago I got a bit cross with myself while trying unsuccessfully to get a wi-fi network connection working with Raspbian Wheezy. I guess I must have rushed into it, because I obviously didn’t look in the right places. However, in my defence it seems that sometimes changes to the configuration don’t always …

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Soldering a slice of pi/o

A few weeks ago I bought some interface adapter boards, including a Slice of PI/O, which came as a kit of parts in a little zip-lock bag. I had a day off work today. Not for a good reason, unfortunately – it was my aunt’s funeral in the afternoon. But it did give me an …

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