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GearSystem Git (2026/03/24) is an emulator for Sega Master System/Game Gear, developed in C++ and compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. It emphasizes source code readability and high compatibility. Key features include an accurate Z80 core, multi-mapper support, external RAM with save files, automatic region detection, SMS2 224 mode support, a ROM detection database, sound emulation via SDL Audio, and integrated disassembly. The latest changelog highlights improvements in the call stack and the generation of automatic symbols during disassembly. GearSystem supports compressed ROMs and is available for various platforms.
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GearSystem Git (2026/03/24) has been compiled. GearSystem is a Sega Master System / Game Gear emulator developed in C++ that is compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. This emulator emphasizes the clarity of its source code while maintaining excellent compatibility.
Features:
– Accurate Z80 core.
– Support for multiple mappers: SEGA, Codemasters, and ROM-only cartridges.
– External RAM functionality with save file capabilities.
– Automatic region identification: NTSC-JAP, NTSC-USA, PAL-EUR.
– Support for SMS2 224 mode only.
– Internal database for ROM detection.
– Audio emulation utilizing SDL Audio and the Sms_Snd_Emu library.
– Built-in disassembler that can export the complete disassembled memory into a text file or allow real-time access.
– Support for compressed ROMs (ZIP deflate).
– Multi-platform compatibility, functioning on Windows, Linux, Mac OS X, Raspberry Pi, and iOS.
GearSystem Git changelog:
* Enhanced call stack
* Auto symbol generation during disassembly and improved call stack
