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drhelius / Gearsystem

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

Why this job: says: mcp server; topics: mcp-server, mcp

What it does

  • Very accurate Z80, VDP, PSG and FM emulation.
  • Supported cartridges. ROM, ROM + RAM, SEGA, Codemasters, Korean, MSX + Nemesis, Janggun, SG-1000, and many Korean multi-carts.
  • Automatic region detection. NTSC-JAP, NTSC-USA, PAL-EUR.
  • Support for YM2413 (OPLL) FM sound chip.
  • Gear-to-Gear cable support for two local desktop processes, including serial and parallel communication.

Get started

brew install sdl3
cd platforms/macos
make dist
Maintenance
Active
Last commit 4 days ago
Stars
399
On GitHub
Licence
GPL-3.0
Share-alike terms
Downloads for
3 systems
Mac, Windows, Linux
Latest version
3.9.24
Released 11 days ago
Built with
C++
69% of the code

Is it looked after?

Contributors
3
Last 90 days
Issues
98% closed
3 still open
Pull requests
56 merged
0 waiting
Releases
54
25 in the last year
  • No contributing guide
  • No security policy
  • No code of conduct
More: download files, languages, topics and project record

Download files, 3.9.24

  • Mac4 files, 351 downloads
  • Windows4 files, 574 downloads
  • Linux3 files, 135 downloads

All files on GitHub (opens in new tab)

Languages

  • C++ 69%
  • C 26%
  • GLSL 3%
  • Swift 1%

Topics

  • bsd
  • emulation
  • emulator
  • game-gear
  • gamegear
  • libretro
  • linux
  • macos
  • master-system
  • mcp
  • mcp-server
  • raspberry-pi

Project record

  • JobMCP servers
  • StatusListed
  • Commits1,908
  • Forks64
  • Watching18
  • Stars in 28 days+4
  • CreatedFeb 27, 2013
  • First seen by usNov 7, 2026
  • CheckedNov 7, 2026

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