March 2016
Beginner to intermediate
296 pages
6h 34m
English
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Writing Cortex-M4 assembly language
Before we start to write an assembly language subroutine, we need an idea of what the function has to achieve. The best way to specify this is to first write the function in a high-level language, such as C, and then translate the C code into assembly language line by line. Some experienced assembly language programmers argue that this is inefficient, but the technique produces well-documented code that can be optimized in further iterations of the design.
Getting ready
To translate the C code, we need to be familiar with both the instruction set and the addressing modes that are used by the Cortex-M4. Details of the instruction set can be found in ARM's Architecture Reference Manual and also in the ARM Cortex-M4 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.