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Gearboy v3.8.4 is a Nintendo Game Boy emulator written in C++ that prioritizes source code readability while ensuring solid compatibility. Key features include accurate CPU and memory emulation, support for various Memory Bank Controllers, precise LCD emulation, and sound support via SDL Audio. The emulator also includes a disassembler, save state functionality, Game Genie/GameShark cheat support, and runs on multiple platforms like Windows, Linux, and iOS. The latest update enhances accuracy, introduces new mappers (e.g., Wisdom Tree, M161), and fixes several bugs. Gearboy aims to replicate the original Game Boy experience while maintaining simplicity in its design.
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Gearboy v3.8.4 has been released. Gearboy is an emulator for Nintendo’s Game Boy, developed in C++. It emphasizes clean and readable source code while maintaining high compatibility. Considerable effort went into adhering to OOP principles and keeping the codebase user-friendly.
Gearboy Features:
– Extremely precise CPU emulation, successfully executing 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.
– Support for Memory Bank Controllers (MBC1, MBC2, MBC3 with RTC, MBC5), including ROM + RAM and multicart cartridges.
– Detailed LCD controller emulation, handling backgrounds, windows, and sprites with accurate timings and priorities, including mid-scanline timing.
– Frame mixing: Simulates the LCD ghosting effect characteristic of the original Game Boy.
– Sound emulation powered by SDL Audio alongside the Gb_Snd_Emu library.
– Compatibility with Game Boy Color.
– Built-in disassembler that can export the entire disassembled memory to a text file or provide real-time access.
– Ability to save battery-powered RAM cartridges to a file.
– Save states feature.
– Support for compressed ROMs (ZIP deflate).
– Cheat support for Game Genie and GameShark.
– Cross-platform functionality. Operates on Windows, Linux, Mac OS X, Raspberry Pi, iOS, and as a libretro core (RetroArch).
Gearboy Changelog:
đ¯ Enhanced accuracy
đēī¸ New mappers: Wisdom Tree, M161, MMC1, MMC2, Pokemon Jade
đ Numerous bug fixes and minor enhancements
