# Asm Editor

> An online assembly language editor supporting M68K, MIPS, RISC-V, X86, and Z80 with debugging tools, code completion, and integrated AI chat.

- Website: https://asm-editor.specy.app/?ref=devshelf.io
- DevShelf page: https://devshelf.io/resource/asm-editor
- Pricing: Free
- Tags: AI-powered, No sign-up
- Categories: [Editors & IDEs](https://devshelf.io/category/editors-ides.md), [Exercises & Challenges](https://devshelf.io/category/exercises-challenges.md)
- Last checked: 2026-11-02

## About

Asm Editor is a browser-based integrated development environment designed for writing, executing, and debugging assembly code across multiple architectures including M68K, MIPS, RISC-V, X86, and Z80. It features built-in architecture documentation, real-time semantic error checking, code completion, and advanced debugging capabilities such as breakpoints, memory inspection, and register diffing. The platform includes peripheral simulation for screen and terminal interaction, an exam lockdown mode, and an integrated AI chat assistant to help write and troubleshoot low-level code.

## Alternatives

- [DSA View View](https://devshelf.io/resource/dsa-view-view.md): Write, validate, and visualize algorithms step-by-step with TypeScript support and real-time feedback. (pricing: Free)
- [Zed](https://devshelf.io/resource/zed.md): A high-performance, open-source code editor written in Rust, designed for speed, real-time collaboration, and native AI integration. (pricing: Free)
- [Replit](https://devshelf.io/resource/replit.md): AI-powered platform for building, testing, and deploying applications and websites from text prompts with integrated hosting and databases. (pricing: Freemium)

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