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GearSystem Git (2026/02/04) is a Sega Master System/Game Gear emulator written in C++, compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. It emphasizes source code readability and high compatibility, featuring an accurate Z80 core, multi-mapper support, and external RAM with save files. Additional features include automatic region detection, SMS2 224 mode support, an internal ROM detection database, sound emulation using SDL Audio, and an integrated disassembler. It also supports compressed ROMs (ZIP deflate). Recent updates addressed the readme, Windows build issues, and console output. Download is available through the provided source link.
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GearSystem Git (2026/02/04) has been compiled. GearSystem is a Sega Master System / Game Gear emulator developed in C++ and compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. This emulator emphasizes the clarity of its source code while maintaining high compatibility.
Features:
– Extremely precise Z80 core.
– Multi-Mapper compatibility for SEGA, Codemasters, and ROM only cartridges.
– Support for external RAM with save file capabilities.
– Automatic region identification: NTSC-JAP, NTSC-USA, PAL-EUR.
– SMS2 exclusive 224 mode support.
– Built-in database for ROM recognition.
– Sound emulation leveraging SDL Audio and Sms_Snd_Emu library.
– Integrated disassembler that can dump complete disassembled memory to a text file or access it in real time.
– Support for compressed ROMs (ZIP deflate).
– Cross-platform functionality. Operates on Windows, Linux, Mac OS X, Raspberry Pi, and iOS.
GearSystem Git changelog:
* Updated readme
* Resolved Windows build issues
* Fixed console output on Windows
