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ARM assembler in Raspberry Pi – Chapter 4

As we advance learning the foundations of ARM assembler, our examples will become longer. Since it is easy to make mistakes, I think it is worth learning how to use GNU Debugger gdb to debug assembler. If you develop C/C++ in Linux and never used gdb, shame on you. If you know gdb this small […]

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ARM assembler in Raspberry Pi – Chapter 3

We saw in chapter 1 and chapter 2 that we can move values to registers (using mov instruction) and add two registers (using add instruction). If our processor were only able to work on registers it would be rather limited.

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ARM assembler in Raspberry Pi – Chapter 2

Registers At its core, a processor in a computer is nothing but a powerful calculator. Calculations can only be carried using values stored in very tiny memories called registers. The ARM processor in a Raspberry Pi has 16 integer registers and 32 floating point registers. A processor uses these registers to perform integer computations and […]

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ARM assembler in Raspberry Pi – Chapter 1

In my opinion, it is much more beneficial learning a high level language than a specific architecture assembler. But I fancied learning some ARM assembler just for fun since I know some 386 assembler. The idea is not to become a master but understand some of the details of what happens underneath.

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