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GearSystem Git (2026/04/21) is an emulator for Sega Master System and Game Gear, developed in C++. It is designed for multiple platforms, including iOS, Raspberry Pi, Mac, Windows, and Linux, with a focus 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, SMS2 224 mode support, and integrated sound emulation using SDL Audio. Additionally, it offers a disassembler for real-time access and compressed ROM support. The latest update included a game controller database update and a fix for screenshot filename timestamps.
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GearSystem Git (2026/04/21) has been compiled. GearSystem is a Sega Master System / Game Gear emulator developed in C++, compatible with iOS, Raspberry Pi, Mac, Windows, and Linux. The primary emphasis of this emulator is on the clarity of the source code while maintaining excellent compatibility.
Features:
– Extremely accurate Z80 core.
– Supports multi-mappers: SEGA, Codemasters, and ROM-only cartridges.
– External RAM capability with save file support.
– Automatic region detection for NTSC-JAP, NTSC-USA, and PAL-EUR.
– SMS2 exclusive 224 mode compatibility.
– Internal database for ROM identification.
– Sound emulation utilizing SDL Audio and Sms_Snd_Emu library.
– Built-in disassembler, capable of dumping the entire disassembled memory to a text file or accessing it in real-time.
– Compressed ROM support (ZIP deflate).
– Cross-platform: operational on Windows, Linux, Mac OS X, Raspberry Pi, and iOS.
GearSystem Git changelog:
* Updated gamecontrollerdb
* Resolved screenshot filename timestamp issue
Feel free to ask if you need further modifications!
