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Gearboy Git (2025/12/30) is a C++ Nintendo Game Boy emulator, prioritizing source code readability and simplicity while ensuring high compatibility. Key features include precise CPU and instruction timing, support for various Memory Bank Controllers, and accurate LCD emulation. It generates the original LCD ghosting effect and incorporates sound emulation through SDL Audio. Game Boy Color support, an integrated disassembler, and save state functionality are also included. The emulator is multi-platform, compatible with Windows, Linux, Mac OS X, Raspberry Pi, iOS, and works as a libretro core. The latest update is available for backers to download.
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Gearboy Git (2025/12/30) has been compiled. Gearboy is an emulator for the Nintendo Game Boy, developed in C++. The primary focus of the emulator is on making the source code easy to read, while still maintaining good compatibility. Significant effort has been invested in adhering to OOP principles while keeping it user-friendly.
Gearboy Features:
– Highly accurate CPU emulation, successfully passes cpu_instrs.gb from blargg’s tests.
– Accurate timing for instructions and memory, passing instr_timing.gb and mem_timing.gb from blargg’s tests.
– Supports Memory Bank Controllers (MBC1, MBC2, MBC3 with RTC, MBC5), ROM + RAM, and multicart cartridges.
– Precise emulation of the LCD controller. Manages background, window, and sprites with correct timing and priorities, including mid-scanline timing.
– Frame mixing: Simulates the LCD ghosting effect present in the original Game Boy.
– Sound emulation utilizes SDL Audio and the Gb_Snd_Emu library.
– Compatible with Game Boy Color.
– Comes with an integrated disassembler, capable of dumping the entire disassembled memory into a text file or access it in real-time.
– Ability to save battery-powered RAM cartridges to a file.
– Features save states.
– Supports compressed ROM files (ZIP deflate).
– Includes Game Genie and GameShark cheat support.
– Multi-platform compatibility: Runs on Windows, Linux, Mac OS X, Raspberry Pi, iOS, and functions as a libretro core (RetroArch).
Gearboy Git Changelog:
* Updated backers
