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Gearboy v3.7.4, a Nintendo Game Boy emulator written in C++, prioritizes code readability alongside strong compatibility. It features accurate CPU, instruction, and memory timing, passing tests from blargg. Support for various Memory Bank Controllers and accurate LCD emulation are included, along with sound emulation and Game Boy Color compatibility. Users can access an integrated disassembler, save battery-powered RAM to files, and use save states, as well as cheat support. The emulator is multi-platform, running on Windows, Linux, macOS, Raspberry Pi, iOS, and as a libretro core. The latest update addresses controller database and icon updates, and bug fixes.
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Gearboy v3.7.4 has been released. Gearboy is a Nintendo Game Boy emulator developed using C++. Although its primary goal is source code clarity, it also boasts impressive compatibility. Significant effort has been invested to adhere to OOP principles while maintaining simplicity.
Features of Gearboy:
– Highly precise CPU emulation, successfully passes cpu_instrs.gb from blargg’s tests.
– Accurate timing for both instructions and memory, passes instr_timing.gb and mem_timing.gb from blargg’s tests.
– Memory Bank Controllers (MBC1, MBC2, MBC3 with RTC, MBC5), along with ROM + RAM and multicart support.
– Detailed LCD controller emulation, accurately handling background, window, and sprite layers with proper timings and priorities, including mid-scanline timing.
– Frame mixing: Simulates the LCD ghosting effect from the original Game Boy.
– Sound emulation using SDL Audio and the Gb_Snd_Emu library.
– Support for Game Boy Color.
– A built-in disassembler that can export the full disassembled memory to a text file or access it in real time.
– Capability to save battery-powered RAM cartridges to a file.
– Save states functionality.
– Support for compressed ROMs (ZIP deflate).
– Compatibility with Game Genie and GameShark cheats.
– Multi-platform support across Windows, Linux, Mac OS X, Raspberry Pi, iOS, and as a libretro core (RetroArch).
Gearboy Changelog:
🎮 Updated game controller database
⏯️ Option added to enable/disable pause on focus loss
🖼️ Updated icon for macOS
🐛 Various bug fixes
