Gearsystem and Geargrafx

Gearsystem
53
Established
Geargrafx
42
Emerging
Maintenance 13/25
Adoption 10/25
Maturity 9/25
Community 21/25
Maintenance 13/25
Adoption 10/25
Maturity 9/25
Community 10/25
Stars: 330
Forks: 59
Downloads: —
Commits (30d): 0
Language: C++
License: GPL-3.0
Stars: 193
Forks: 10
Downloads: —
Commits (30d): 0
Language: C++
License: GPL-3.0
No Package No Dependents
No Package No Dependents

About Gearsystem

drhelius/Gearsystem

Sega Master System / Game Gear / SG-1000 emulator, debugger and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

Implements cycle-accurate Z80/VDP/PSG emulation with extensive debugging capabilities including breakpoints, memory inspection, and a Model Context Protocol (MCP) server for AI-assisted development workflows. Supports multiple cartridge formats and region variants with automatic detection, plus compression, cheats, save states, and VGM recording. Available as a standalone application across desktop platforms and as a Libretro core for RetroArch and embedded systems.

About Geargrafx

drhelius/Geargrafx

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

Provides cycle-accurate CPU and graphics emulation with a full debugger featuring breakpoints, memory inspection, tile/sprite viewers, and VGM recording capabilities. Includes an embedded MCP server exposing emulation state and execution control for AI-assisted debugging integration with Copilot, Claude, and similar tools. Distributes as both a standalone desktop application and as a Libretro core for RetroArch, with portable mode and drag-and-drop ROM loading.

Related comparisons

Gearsystem and Gearboy Gearsystem and Gearboy

Scores updated daily from GitHub, PyPI, and npm data. How scores work