Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Showing posts with label arm. Show all posts
Showing posts with label arm. Show all posts

More ARM1 processor reverse engineering: the priority encoder

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In this article, I reverse-engineer the priority encoder in the ARM1 processor. By examining the chip layout provided by the Visual ARM1 p...

Counting bits in hardware: reverse engineering the silicon in the ARM1 processor

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How can you count bits in hardware? In this article, I reverse-engineer the circuit used by the ARM1 processor to count the number of set ...
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Reverse engineering the ARM1, ancestor of the iPhone's processor

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Almost every smartphone uses a processor based on the ARM1 chip created in 1985. The Visual ARM1 simulator shows what happens inside the...
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