Hidden features of x86 assembly

Posted by Earlz on Stack Overflow See other posts from Stack Overflow or by Earlz
Published on 2010-06-03T05:39:23Z Indexed on 2010/06/03 5:44 UTC
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Filed under:

assembly

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x86

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language-features

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features

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hidden-features

I am still a fan of x86 assembly(sorta) and know a lot of developers still using x86 assembly, although by far there are very few features available in assembly, let us list out the most useful and not so well known ones.

Of course the question is on the lines of the Hidden Features questions listed below.:

Hidden Features of JavaScript
Hidden Features of CSS
Hidden Features of C#
Hidden Features of VB.NET
Hidden Features of Java
Hidden Features of ASP.NET
Hidden Features of Python
Hidden Features of TextPad
Hidden Features of Eclipse
Hidden Features of Classic ASP

Please specify one feature per answer.

Also, you can specify all bits of the x86 such as 16bit(real mode), 32bit, and 64bit.

Please keep it neutral of assembler though. Both Intel and AT&T syntax is welcome but please don't for example demonstrate a useful macro feature for yasm.

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