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The Yasm Modular Assembler accepts both NASM and GAS syntax; supports x86 and AMD64 instructions; and outputs binary, ELF32, ELF64, 32 and 64-bit Mach-O, RDOFF2, COFF, Win32, and Win64 object formats.


HTML and PDF User Manual at


LicenseVerified byVerified onNotes
BSD 2ClauseTed Teah4 June 2007

Leaders and contributors

Peter Johnson Maintainer
Michael Urman Contributor

Resources and communication

Audience Resource type URI
Developer VCS Repository Webview
Bug Tracking VCS Repository Webview
Help Mailing List Info/Archive
Developer Mailing List Info/Archive

Software prerequisites

This entry (in part or in whole) was last reviewed on 4 June 2007.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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