Retro Replay Retro Replay gaming reviews, news, emulation, geek stuff and more!
Gearboy Git (2026/02/02) is a Nintendo Game Boy emulator written in C++, prioritizing readable source code while ensuring good compatibility. Key features include accurate CPU and memory timing, support for various Memory Bank Controllers, and precise LCD emulation that mimics the original Game Boy’s ghosting effect. It also offers sound emulation, Game Boy Color support, and an integrated disassembler. Gearboy allows for saving battery-powered RAM, save states, and utilizes ZIP compression for ROMs. The emulator is cross-platform, available on Windows, Linux, Mac OS X, Raspberry Pi, iOS, and as a libretro core. Recent updates include fullscreen mode enhancements.
(HEY YOU!! We hope you enjoy! We try not to run ads. So basically, this is a very expensive hobby running this site. Please consider joining us for updates, forums, and more. Network w/ us to make some cash or friends while retro gaming, and you can win some free retro games for posting. Okay, carry on 👍)
Gearboy Git (2026/02/02) has been compiled. Gearboy serves as a Nintendo Game Boy emulator crafted in C++. This emulator prioritizes the readability of its source code while maintaining commendable compatibility. Extensive effort has been invested to adhere to OOP principles and keep the design straightforward.
Gearboy Features:
– Highly precise CPU emulation, successfully passing cpu_instrs.gb of blargg’s tests.
– Accurate instruction and memory timing, passes instr_timing.gb and mem_timing.gb from blargg’s assessments.
– Memory Bank Controllers (MBC1, MBC2, MBC3 with RTC, MBC5), alongside ROM + RAM and multicart cartridges.
– Faithful LCD controller emulation, including background, window, and sprites with correct timing and priorities, encompassing mid-scanline timing.
– Frame mixing: Emulates the LCD ghosting effect found in the original Game Boy.
– Sound emulation powered by SDL Audio and the Gb_Snd_Emu library.
– Support for Game Boy Color.
– Built-in disassembler, capable of dumping full disassembled memory into a text file or accessing it in real-time.
– Ability to save battery-powered RAM cartridges to file.
– Support for save states.
– Compressed ROM support (ZIP deflate).
– Compatibility with Game Genie and GameShark cheats.
– Multi-platform functionality. Operates on Windows, Linux, Mac OS X, Raspberry Pi, iOS, and as a libretro core (RetroArch).
Gearboy Git Changelog:
* Resolved vsync issues for 120hz and 240hz refresh rates
* Introduced fullscreen modes
