Here's Stella, an emulator for the Atari 2600 console. It's not pretty, but it emulates Atari game ROMs flawlessly. It's available for Windows 32/64, macOS, Ubuntu 32/64, Linux 32/64 and the RetroN 77 gaming console.
- Display sizes
- Fullscreen
- Color/B/W
- Game controller support
- Mouse adjustments
- Audio adjustments (including volume, stereo, etc)
- Set Left or Right Difficulty
- DirectX support
- Games saves
- Game snapshots
- Information about a cartridge including it's date published, manufacture and more.
- Audit your ROM collection
- Change to a system theme
- Auto-center app on Launch
For complete instructions and a walkthrough
watch the video below