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32/64-Bit 80x86 Assembly Language Architecture by James Leiterman

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Chapter 18. System

System "Lite"

There are other instructions available in your processor, but they have very little to no relationship to your application code. As mentioned at the beginning of this book, there are basically three types of instructions. (Note that I am oversimplifying here!) They are general-purpose, floating-point, and system instructions. The existence of these later instructions has to do with writing system level, thus operating system, code. They are not typically accessible or needed by those programmers writing non-operating system code. As this book is not targeted for that market, there is no need to make the standard application programmer wade through it. But as some of you may just cry foul, I have included a very ...

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