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GearSystem Git (2026/05/14) is a Sega Master System/Game Gear emulator developed in C++ for iOS, Raspberry Pi, Mac, Windows, and Linux. It prioritizes source code readability and offers high compatibility. Key features include an accurate Z80 core, multi-mapper support for various cartridges, external RAM for save files, and automatic region detection. It supports SMS2-specific modes and has an internal database for ROM detection. Additionally, it includes sound emulation through SDL Audio, an integrated disassembler, and can manage compressed ROMs. The latest changelog mentions added functionality to the debugger for memory loading.
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GearSystem Git (2026/05/14) has been compiled. GearSystem is a Sega Master System / Game Gear emulator developed in C++ that operates on iOS, Raspberry Pi, Mac, Windows, and Linux. This emulator emphasizes the clarity of its source code while maintaining high compatibility.
Features:
– Highly precise Z80 core.
– Support for multiple mappers: SEGA, Codemasters, and ROM-only cartridges.
– External RAM compatibility with save file functionality.
– Automatic region detection: NTSC-JAP, NTSC-USA, PAL-EUR.
– SMS2 exclusive 224 mode support.
– Built-in database for ROM detection.
– Sound emulation utilizing SDL Audio and Sms_Snd_Emu library.
– Integrated disassembler that can export full disassembled memory to a text file or access it live.
– Compressed ROM support (ZIP deflate).
– Cross-platform functionality. Runs on Windows, Linux, Mac OS X, Raspberry Pi, and iOS.
GearSystem Git changelog:
* [debugger] Added Load Memory From Binary
