Vice Test Suite ready to run on real C64

MOS 6581/8580 transistor level emulation based on the perfect6502 engine

C# and Razor compiler playground in the browser via Blazor WebAssembly

A lightweight reference implementation of the CRT sim from Super Win the Game, etc.

Test suite for C/C++/Fortran compilers developed by Fujitsu

About CIL (formerly MSIL) native Ahead-of-Time (AoT) compiler for 6x09 / 680x / 6502 / Z80

.NET for the NES game console

A machine emulator that visualizes how each instruction is processed

visual6502 remixed

Advanced mathematical types and functions for Swift

A compiler for the ReCT programming language written in Golang

NTSC encoding/decoding in C89 using only integers and fixed point math. Supports NES decoding. Can be used as an image filter for games or real-time applications.

Retro Debugger is a multiplatform debugger APIs host for retro computers: C64 (Vice), Atari800 and NES (NestopiaUE).

SNES PPU Logic Analyzer

A library to build .NET profilers in .NET

Game Boy / Gameboy Color emulator and debugger for macOS, Windows, Linux, BSD and RetroArch.

Making it easier to write Visual Studio extensions

A repo for upcoming changes to extensibility in Visual Studio, the new extensibility model, and language server protocol.

BBC Micro emulator for Windows, macOS, and Linux

A modding tool for Red Faction Guerilla Re-Mars-Tered

🦜 yair - a high-level compiler IR entirely written in Rust

Prototype of using CSharp scripting to generate spriv shaders

Intel i8080 Space Invaders Arcade Emulator

Demo of the potential of C# for systems programming with the .NET native ahead-of-time compilation technology.

A "compiler" that can take a WebAssembly/WASI module and convert it to a .NET assembly

Circle C++ shaders

Gopher2600 is an emulator for the Atari 2600 games console