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It's currently 50% off and not only will you learn ARM, and some history about ISAs in general, but you'll learn more about how the computer itself works.

And if ARM isn't a hard requirement, an older edition that uses RISCV as the core ISA is a free download.

https://www.cs.sfu.ca/~ashriram/Courses/CS295/assets/books/H...

Highly recommended.

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The first link was the textbook I used for my computer architecture course last semester and I concur. This was the first time our professor taught ARM instead of x86_64 because he believes ARM is the future.

I learned on the MIPS processor, computer organization / architecture one of the most challenging CS courses for me. I don't remember much but I definitely remember the mips pipeline...

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