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GearSystem Git (2025/12/22) is an advanced Sega Master System/Game Gear emulator designed in C++ for multiple platforms, including 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, and sound emulation through SDL Audio. The emulator also includes an integrated disassembler and supports compressed ROM files. The latest changelog mentions a new option to change background colors. Download is available from the provided source.
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GearSystem Git (2025/12/22) has been compiled. GearSystem is an emulator for Sega Master System / Game Gear developed in C++, compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. The emulator prioritizes source code readability while maintaining high compatibility.
Features:
– Accurate Z80 core implementation.
– Supports multiple mappers: SEGA, Codemasters, and ROM-only cartridges.
– Supports external RAM along with save files.
– Automatic detection of regions: NTSC-JAP, NTSC-USA, PAL-EUR.
– Exclusive support for SMS2’s 224 mode.
– Internal database for ROM recognition.
– Sound emulation using SDL Audio and Sms_Snd_Emu library.
– Disassembler integrated, enabling full memory dumps to text files or real-time access.
– Supports compressed ROMs (ZIP deflate).
– Multi-platform support: works on Windows, Linux, Mac OS X, Raspberry Pi, and iOS.
GearSystem Git changelog:
* [desktop] Added option to change background colors. Fix #138
