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GearSystem Git (2026/02/06) is an emulator for Sega Master System and Game Gear, designed in C++ and compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. Its emphasis is on source code readability and high compatibility. Key features include an accurate Z80 core, multi-mapper support, external RAM with save files, automatic region detection, and internal ROM detection. It supports compressed ROMs and offers sound emulation via SDL Audio. Recent updates include Linux ARM64 binaries and improvements for macOS. GearSystem aims to provide a comprehensive and user-friendly gaming experience across multiple platforms.
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GearSystem Git (2026/02/06) has been compiled. GearSystem is an emulator for the Sega Master System / Game Gear developed in C++. It is compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. This emulator emphasizes the clarity of its source code along with exceptional compatibility.
Features:
– Accurate Z80 core.
– Supports Multi-Mapper: SEGA, Codemasters, and ROM-only cartridges.
– Allows for external RAM with save files.
– Detects regions automatically: NTSC-JAP, NTSC-USA, PAL-EUR.
– SMS2 exclusive 224 mode support.
– Internal database for ROM detection.
– Sound emulation through SDL Audio and Sms_Snd_Emu library.
– Built-in disassembler which can dump the entire disassembled memory to a text file or provide real-time access.
– Compressed ROM support (ZIP deflate).
– Multi-platform compatibility: Works on Windows, Linux, Mac OS X, Raspberry Pi, and iOS.
GearSystem Git changelog:
* Included Linux ARM64 binaries
* Implemented GitHub action for publishing to homebrew tap
* [macos] Terminated autofill process left open by macOS
