openmsx-emulator ☆

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Description:
MSX emulator

Type: Cask | Latest Version: 21.0@0 | Tracked Since: Dec 28, 2025

Links: Homepage | @openMSX | formulae.brew.sh

Category: Multimedia

Tags: emulator msx retro-gaming preservation development

Install: brew install --cask openmsx-emulator

About:
openMSX is a cross-platform emulator for the MSX home computer system. It aims to be the most accurate MSX emulator available by emulating the hardware at a low level. This high fidelity allows it to run software and games exactly as they would on the original hardware.

Key Features:

Cycle-accurate hardware emulation for maximum authenticity
Supports all MSX generations (MSX1, MSX2, MSX2+, Turbo-R)
Extensive scripting capabilities in Python for automation and customization
Cross-platform support (Windows, macOS, Linux)

Use Cases:

Playing classic MSX video games with high accuracy
Developing and testing MSX software on a modern computer
Digital preservation of MSX software and hardware behavior

Alternatives:

fMSX – fMSX is another popular emulator, often noted for its portability to various platforms, while openMSX prioritizes cycle-perfect accuracy.
Mesen – Mesen is a multi-system emulator that supports MSX, but openMSX is a dedicated project focused exclusively on the MSX architecture.

Version History

Detected	Version	Rev	Change	Commit