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Gearcoleco
Gearcoleco logo

Gearcoleco

Active·★ 143·GPL-3.0·Updated 2026-10-22

Gearcoleco is a highly accurate, cross-platform ColecoVision emulator built in C++, supporting various operating systems and RetroArch. It includes an embedded MCP server, enabling advanced debugging features and AI-assisted tooling for game development and reverse engineering.

#Emulator#ColecoVision#Cross-platform#C++#Debugger#RetroArch#AI-assisted debugging#Retro Gaming
$ Install
$ brew install --cask drhelius/geardome/gearcoleco
↗ Visit site★ GitHub
01

Features

01Very accurate Z80 core, TMS9918 VDP, SN76489 PSG and AY-3-8910 SGM emulation.
02Full debugger with just-in-time disassembler, CPU breakpoints, memory access breakpoints, code navigation, debug symbols, memory editor, trace logger, IO inspector and VRAM viewer.
03MCP server for AI-assisted debugging with GitHub Copilot, Claude, Codex and similar, exposing tools for execution control, memory inspection, hardware status, rewind and more.
04Support for ColecoVision Super Game Module (SGM) and MegaCart ROMs, as well as Super Action Controller (SAC), Wheel Controller and Roller Controller.
05Save states with preview and rewind support, run-ahead support to reduce input latency, and compressed ROM support (ZIP).
02

Compatibility

Windows
Operating System
Verified via docs
macOS
Operating System
Verified via docs
Linux
Operating System
Verified via docs
BSD
Operating System
Verified via docs
RetroArch
Emulation Frontend
Verified via docs
03

Quick start

1
$ brew install --cask drhelius/geardome/gearcoleco
04

Use cases

↳Playing ColecoVision games on modern operating systems and RetroArch with enhanced features.
↳Advanced debugging and analysis of ColecoVision game code and hardware behavior.
↳Developing AI-assisted tools for retro game development, reverse engineering, and modding.
↳Romhacking tasks suchs as cheat creation, memory searching, and game translation.
05

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On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
drhelius /
Gearcoleco
↗

ColecoVision emulator, debugger and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

143GPL-3.0
Last commit1d ago
StatusActive
CategoryDev Tooling
Links
Documentation↗Discussion↗Issues↗Releases↗
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