ChillyGB vs SameBoy

ChillyGB is a free Game Boy (DMG) and Game Boy Color (CGB) emulator written in C. It is listed for Windows, Linux, and Nintendo Switch, and the project links to a WebAssembly browser version. Supported cartridges include no MBC, MBC1, MBC2, MBC3 with a real-time clock, MBC5, MBC7, and Pocket Camera. Features include Game Boy Color and BootROM support, BESS-compliant save states, a palette editor, integer scaling, a pixel grid, color correction, and GameGenie and GameShark cheats.

Players can use basic gamepads and edit inputs; Pocket Camera support can use a webcam. The debugger includes instruction, memory, stack, and register views, plus editors and status information for listed PPU registers. The project excludes SGB functions, MBC6, HUc1, HUc3, and infrared communication. Link cable emulation and netplay are not supported. The browser port's audio is noted as buggy. ChillyGB is licensed under GNU GPL v3.0; release 0.3.2 is listed as latest, and save states from before version 0.3.0 do not work with it.

SameBoy is a free, open-source emulator for Game Boy, Game Boy Color and Super Game Boy systems. Its supported machines include Game Boy Pocket and Light, Game Boy Advance and Game Boy Player in Color mode, and Super Game Boy 2. The project describes its design as focused on accuracy and says it passes multiple test ROM suites. It supports battery saves and save states that follow the BESS specification, as well as turbo, rewind, slow motion, cheats and rumble. Peripheral emulation includes local link cable, infrared, Game Boy Camera, Game Boy Printer and Workboy. Display options include scaling algorithms and filters, customizable controls and fullscreen mode; an integrated GBS player is also included. Developer tools include a disassembler, expression evaluator, breakpoints, watchpoints, call stack tracing, and memory and video RAM viewers. Builds are listed for macOS, Windows and iOS, and the project describes SDL support for other operating systems. Some features are exclusive to the macOS Cocoa frontend, while camera and printer emulation are available in Cocoa macOS and iOS frontends.