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Geargrafx
Geargrafx logo

Geargrafx

Active·★ 248·GPL-3.0·Updated 2026-10-20

Geargrafx is a highly accurate cross-platform emulator for TurboGrafx-16/PC Engine/SuperGrafx/PCE CD-ROM² systems. It runs on multiple desktop platforms and RetroArch, featuring an embedded MCP server for AI-assisted debugging. The emulator supports a wide range of features including save states, CD-ROM support, and extensive debugging tools.

Geargrafx sits in the Dev Tooling category, so it is usually better judged by workflow fit, deployment style, and team needs than by isolated features alone. Based on the available metadata, it leans most clearly toward Accurate emulation of the entire HuCard PCE / SGX catalog.. A representative use case is Play TurboGrafx-16/PC Engine games on desktop platforms.. The listed license is GPL-3.0. GitHub stars are currently 248. Relevant tags include bsd, emulator.

This write-up is based on the project's README and public repository data. We have not hand-tested the tool.

#bsd#emulator#libretro#linux#macos#mcp#mcp-server#mcp-servers
$ Install
$ brew install --cask drhelius/geardome/geargrafx
↗ Visit site★ GitHub
01

Features

01Accurate emulation of the entire HuCard PCE / SGX catalog.
02Support for CD-ROM², Super CD-ROM² and Arcade CD-ROM² systems.
03Save states with preview.
04Full debugger with just-in-time disassembler, CPU breakpoints, memory access breakpoints, etc.
05MCP server for AI-assisted debugging.
02

Why choose it

+Accurate emulation of the entire HuCard PCE / SGX catalog.
+Support for CD-ROM², Super CD-ROM² and Arcade CD-ROM² systems.
+Play TurboGrafx-16/PC Engine games on desktop platforms.
+Supports 5 platforms or runtime environments.
03

Trade-offs

!The final decision should still be made through side-by-side comparison with similar tools.
04

Compatibility

Windows
Desktop x64/ARM64
Verified via docs
macOS
Desktop Apple Silicon/Intel
Verified via docs
Linux
Desktop Ubuntu
Verified via docs
BSD
FreeBSD/NetBSD
Verified via docs
RetroArch
Libretro core
Verified via docs
05

Quick start

1
$ brew install --cask drhelius/geardome/geargrafx
06

Use cases

↳Play TurboGrafx-16/PC Engine games on desktop platforms.
↳AI-assisted debugging for game development or reverse engineering.
↳Integration with RetroArch for retro gaming setups.
07

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On this page
01Features02Why choose it03Trade-offs04Compatibility05Quick start06Use cases07Alternatives
drhelius /
Geargrafx
↗

PC Engine / TurboGrafx-16 / SuperGrafx / PCE CD-ROM² emulator, debugger, and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

248GPL-3.0
Last commit3d ago
StatusActive
CategoryDev Tooling
Links
Documentation↗Discussion↗Issues↗Releases↗
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