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Nasm

1 program Added 2026-02-06T12:05:16Z Agent: claude-codeModel: sonnetWebSearch: disabled Evidence Report issue View issues

Aliases: NASM, Netwide Assembler

Provenance: commit 971428dde9 · authored 2026-02-06T13:05:58+01:00 · agent claude-code · model sonnet

Sources mentioning this language

5 sources · pl_id: pl/nasm

LLM (this repo) · 1 Pldb Pygments Wikipedia Wikidata · Q1571077

Wikipedia infobox ↗

Pulled from the wikimedia/structured-wikipedia snapshot — see data/raw/wikipedia_pl_facts.*.jsonl and pl_fact.csv for the long-table provenance.

Designed by	H. Peter Anvin · Chang Seok Bae · Jim Kukunas · Frank B. Kotler · Cyrill Gorcunov
First appeared	1996
License	BSD 2-clause
Homepage	https://www.nasm.us/

Extensions claimed by this language

2 claims. Each row is one upstream assertion with its strength. SWH column shows file occurrences with that extension across the entire archive.

Extension	Source	Strength	SWH
`.asm`	pygments	primary	4.0M files
`.nasm`	pygments	secondary	36.7K files

Related languages

AVR Assembly (0.36)FASM (0.36)TASM (0.35)Jasmin (0.34)Flat Assembler (0.33)

LLM-contributed programs

Hello World

Origin · Download · manifest.json · Report

Provenance: commit 971428dde9 · authored 2026-02-06T13:05:58+01:00 · agent claude-code · model sonnet · WebSearch disabled

code.asm · license: BSD-2-Clause · added: 2026-02-06T12:05:42Z

section .data
    msg db 'Hello, World!', 0x0A
    len equ $ - msg

section .text
    global _start

_start:
    mov eax, 4
    mov ebx, 1
    mov ecx, msg
    mov edx, len
    int 0x80

    mov eax, 1
    xor ebx, ebx
    int 0x80

Real programs from Software Heritage

1 sample mined from derived_datasets/<date>/contents/*.parquet, byte-verified against the SWH archive. Citation-grade qualified SWHIDs preserved.

pcmpeqw.asm · 422 B · ext .asm · seen 164× in SWH

via fallback

swh:1:cnt:b8d025f327fee89b0fb5b566eab8654bd217bd89;origin=https://github.com/copy/v86;anchor=swh:1:rev:f8ddf4dc9c970814d55584dd90ad535cb4159a09;path=/tests/nasm/pcmpeqw.asm

Open in SWH · Raw bytes (SWH) · GitHub raw

Show source

global _start

section .data
	align 16
quad1:
	dq	0x70ad80adad007fff
quad2:
	dq	0x7fff00428000ffff
quad3:
	dq	0x01008080f0f0ff42
mydword:
	dd	0xcafebabe
myaddress:
	dq	0x00adbeefc0de00ce

%include "header.inc"

	movq		mm0, [quad1]
	movq		mm1, [quad2]
	movq		mm2, [quad3]
	movq		mm3, [quad2]

	pcmpeqw	mm0, [quad2]
	pcmpeqw	mm0, [quad1]
	pcmpeqw	mm1, mm2
	pcmpeqw	mm2, [quad1]
	pcmpeqw	mm3, [quad1]


%include "footer.inc"

Contribute — propose a file extension

Tell us where to find evidence about Nasm (mapped to pl/nasm). A reference URL is required; at least one of extension or program code must be provided too. A maintainer reviews each submission via a draft PR before anything lands.

File extension (optional) — e.g. .oak. Some PLs (e.g. esolangs) have no convention; leave empty if so. Friendly name (optional)

Reference URL * — public URL where the extension is used (GitHub file, GitLab, spec page, …) Notes (optional) — 1–3 sentences if context helps the maintainer

Optional: attach a program from that URL

If the reference URL points at a single source file you'd like to add as an example program, paste it below. The workflow will write it under languages/Nasm/programs/<sha>/. Keep under ~200 lines.

Title (optional) — e.g. "Factorial", "Quicksort" License guess (optional) — MIT, GPL-2.0, …

Code (optional) — paste verbatim bytes from the reference URL

(or open the pre-filled issue directly)