Questions tagged [arm]

ARM is a British processor manufacturer that evolved from Acorn Computers in 1985.

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4answers
417 views

Why didn't the Acorn Archimedes support general purpose co-processors?

Acorn's BBC Micro series is well known for the range of add-on processors (or Second Processors) that could be connected through it's Tube interface. These included the 6502, Z80, 80186, and also the ...
18
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2answers
2k views

Did any early RISC OS precursor run on the BBC Micro?

Acorn famously developed the ARM microprocessor using their existing BBC Micros internally, both to simulate the ARM and to develop for actual ARM using a Tube-connected second processor. Later, ...
2
votes
2answers
241 views

Differences between normal ARM7TDMI and ARM7TDMI used in GBA [closed]

I was wondering if there are any significant differences between a plain old ARM7TDMI processor and the ARM7TDMI the GBA console uses. I'm interested in learning to program a GBA or an ARM7 type ...
8
votes
5answers
597 views

Why isn't the approach to lower power CPUs guided by design rather than accident?

We know that the ARM chip came out of the Acorn computing initiative. In the book The One Device, we read: The low-power big thing that the ARM is most valued for today, the reason that it's on ...
24
votes
2answers
2k views

Was the first ARM “processor” a BBC BASIC program?

The best background I have found so far on the early development of the ARM processor at Acorn comes from this interview with Steve Furber. The interview does not mention the development of the first ...