Mesen Switch Emulator is an open-source, highly accurate emulator for Windows, Linux, and macOS that can play games for the NES, SNES, Game Boy, Game Boy Color, Game Boy Advance and PC Engine consoles. It has excellent compatibility and features such as save states, video filters, netplay and support for HD packs. You will get that at Switch ROMs for free.
Mesen is a multi-system emulator for Windows, Linux and macOS that supports: