The Art of Assembly Language is one of those classic texts that comes around only every once in a while. Widely respected by hackers of all kinds, it teaches programmers how to understand assembly language and how to use it to write powerful, efficient code. Using the proven High Level Assembler (HLA) as its primary teaching tool, The Art of Assembly Language leverages readers' knowledge of high level programming languages to make it easier for readers to quickly grasp basic concepts. Among the most comprehensive references to assembly language every published, The Art of Assembly Language, 2nd Edition has been thoroughly updated to reflect recent changes to the HLA language. All code from the book is portable to the Windows, Linux, Mac OS X, and FreeBSD operating systems.