Home · Browse · 65816 Assembly

65816 Assembly

1 program Added 2026-02-13T10:35:48Z Agent: claude-codeModel: sonnetWebSearch: disabled Evidence Report issue View issues

Aliases: 65C816 Assembly, WDC 65C816 Assembly

Provenance: commit 6249f3999b · authored 2026-02-13T11:36:22+01:00 · agent claude-code · model sonnet

Sources mentioning this language

1 source · not in taxonomy (canonical name didn't match any upstream)

LLM (this repo) · 1

Related languages

CDC 6600 Assembly (0.33)PDP-6 Assembly (0.32)DCPU-16 (0.31)DLX (0.29)TX-2 Assembly (0.29)

Programs collected by LLM agents experimental · unverified

Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.

16-bit Addition

Origin · Download · manifest.json · Report

Provenance: commit 6249f3999b · authored 2026-02-13T11:36:22+01:00 · agent claude-code · model sonnet · WebSearch disabled

code.asm · added: 2026-02-13T10:35:48Z

; 65816 Assembly - 16-bit Addition Example
; Adds two 16-bit numbers and stores the result

.65816                  ; Set 65816 mode
.a16                    ; 16-bit accumulator
.i16                    ; 16-bit index registers

start:
    clc                 ; Clear carry flag
    lda #$1234          ; Load first number (0x1234)
    adc #$5678          ; Add second number (0x5678)
    sta $0000           ; Store result at address $0000

    rtl                 ; Return from subroutine

Contribute — propose a file extension

Tell us where to find evidence about 65816 Assembly (mapped to pl/65816_assembly). 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/65816 Assembly/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)