mars ☆

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Description:
Mips Assembly and Runtime Simulator

Type: Cask | Latest Version: 4.5.1@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: mips assembly simulator education ide

Install: brew install --cask mars

About:
MARS (MIPS Assembler and Runtime Simulator) is an interactive development environment (IDE) for MIPS assembly language. It allows users to write, assemble, and run MIPS programs while visualizing register states and memory usage. Its primary value is providing a comprehensive platform for learning computer architecture concepts and low-level programming.

Key Features:

Integrated editor with syntax highlighting
Step-by-step execution and breakpoints
Register and memory visualization
System call simulation

Use Cases:

University-level computer architecture coursework
Learning MIPS assembly language
Debugging low-level algorithm implementations

Alternatives:

QtSpim – Another popular MIPS simulator, though MARS is often preferred for its more modern UI and broader instruction support.
SPIM – The original MIPS simulator, which is command-line based and lacks the integrated GUI of MARS.

Version History

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