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Perhaps we should organize the articles into sections. Something like:

• Serial Processing
• I/O
• Concurrency/Parallelism
• Inter-thread communication
• Misc

I would find this easier to handle than a flat list though I admit the sections are slightly arbitrary at this stage.

You use "macu" in the doc

It is mac in XC via xs1.h or maccu in ASM.

In the text it starts well regarding overflow and saturation
overflow = sext(x,24) != x;

But in the later examples something else and incorrect is implemented.

A copy and paste from that text by a beginner would drive him crazy. Almost everything would overflow.