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H. Peter Anvin a0396faf3b Fix control/debug register patterns 
The control and debug registers are always using the default operand
size. It is probably easiest to just encode it explicitly for now.

Control registers are particularly weird because of the AMD "lock as
REX.R" hack...

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
2025-09-19 16:26:35 -07:00
asm
Fix control/debug register patterns
2025-09-19 16:26:35 -07:00
autoconf
portability: fix [v]snprintf() detection
2025-09-16 17:33:43 -07:00
common
Add directive to disable dollar-hex constants
2025-09-03 00:35:41 -07:00
config
portability: speed and modernize autoconf; compiler.h improvements
2025-09-16 13:25:39 -07:00
contrib
contrib/MSVC6.txt: Add guide how to use nasm in MSVC6
2010-01-24 23:17:55 +03:00
disasm
Sanitize the handling of messsages; improve info and debug
2025-09-05 12:53:20 -07:00
doc
preproc: implement %hs2b() and %b2hs() functions for compact binary data
2025-09-15 23:01:59 -07:00
headers
headers: Update year
2010-04-25 12:02:38 +04:00
include
compiler.h: has_attribute() is broken on some gcc versions
2025-09-16 15:27:34 -07:00
macros
stdmac: fix __?NASM_IFDIRECTIVE?__ -> __?NASM_HAS_IFDIRECTIVE?__
2025-09-14 02:54:35 -07:00
misc
Improve misc/omfdump, add misc/Makefile, use -std=c23 if possible
2025-09-03 10:05:21 -07:00
Mkfiles
Update the canned Mkfiles for librarized ndisasm
2025-09-02 17:11:45 -07:00
nasmlib
preproc: implement %hs2b() and %b2hs() functions for compact binary data
2025-09-15 23:01:59 -07:00
nsis
nsis: remove references to RDOFF tools
2022-11-08 18:22:25 -08:00
output
outbin: make map file unwritable an error
2025-09-19 14:27:22 -07:00
perllib
Fix some typos
2022-01-09 17:34:35 +01:00
stdlib
WIP: more matching and template work
2024-08-20 12:59:07 -07:00
test
insns.dat: fix far jmp/call patterns
2025-09-19 16:06:25 -07:00
tools
mkdep: disable some debug messages
2025-08-15 16:54:17 -07:00
travis
insns.dat: fix broken XCHG pattern (BR 3392951)
2025-09-19 12:56:19 -07:00
win
windows host: add embedded manifest file
2024-01-29 17:19:32 -08:00
x86
Fix control/debug register patterns
2025-09-19 16:26:35 -07:00
zlib
zlib: yet one more portability hack
2025-09-05 20:08:18 -07:00
.editorconfig
.editorconfig: hard tabs are still 8 spaces
2024-06-10 21:12:52 -07:00
.gitattributes
gitattributes: don't try to merge the version file
2020-06-30 13:48:13 -07:00
.gitignore
doc: update the documentation, and auto-generate some indexes
2025-09-05 17:12:06 -07:00
.travis.yml
travis: Disable osx for a while
2018-10-17 21:40:14 +03:00
AUTHORS
Correct name spelling and email address
2015-01-18 20:21:14 +02:00
autogen.sh
autoconf: unbreak --enable-lto, fix some language macros
2024-04-16 16:31:28 -07:00
ChangeLog
Fix some typos
2022-01-09 17:34:35 +01:00
CHANGES
Move the revision history into the documentation
2008-07-14 02:45:57 -04:00
configure.ac
portability: speed and modernize autoconf; compiler.h improvements
2025-09-16 13:25:39 -07:00
INSTALL
Fix some typos
2022-01-09 17:34:35 +01:00
LICENSE
LICENSE: update year
2010-08-12 20:15:27 -07:00
Makefile.in
autoconf/Makefile.in: add include for local zlib
2025-09-05 18:36:28 -07:00
nasm.spec.in
nasm.spec.in: fix mistakes in previous checkin
2024-04-18 15:31:51 -07:00
nasm.spec.sed
nasm.spec: use a sed file to insert perl dependencies
2017-04-23 18:54:23 -07:00
nasm.txt
Fix some typos
2022-01-09 17:34:35 +01:00
ndisasm.txt
ndisasm: man -- Add missing -p option
2013-04-20 20:18:46 +04:00
README.md
doc: remove references to sourceforge
2020-07-01 21:48:44 -07:00
SubmittingPatches
Add SubmittingPatches file
2010-10-03 21:02:08 +04:00
version
NASM 3.00rc9
2025-09-19 14:23:20 -07:00
version.pl
preproc: standard macros now C-safe, %aliases off, fix %? recursion
2019-08-27 16:42:41 -07:00

README.md

NASM, the Netwide Assembler

master

Many many developers all over the net respect NASM for what it is: a widespread (thus netwide), portable (thus netwide!), very flexible and mature assembler tool with support for many output formats (thus netwide!!).

Now we have good news for you: NASM is licensed under the "simplified" (2-clause) BSD license. This means its development is open to even wider society of programmers wishing to improve their lovely assembler.

Visit our nasm.us website for more details.

With best regards, the NASM crew.

Description
A cross-platform x86 assembler with an Intel-like syntax.
https://www.nasm.us/
Readme BSD-2-Clause 12 MiB
Languages
Assembly 55.1%
C 39%
Perl 3.1%
Makefile 0.7%
M4 0.7%
Other 1.4%