Heres a new version of the Atari 2600 emulator for PC:

Stella v5.1.3 is released. Stella is a multi-platform Atari 2600 VCS emulator. The Atari 2600 Video Computer System (VCS), introduced in 1977, was the most popular home video game system of the early 1980's. Now you can enjoy all of your favorite Atari 2600 games on your PC thanks to Stella!

Stella v5.1.3 changelog:
- Fixed crash in OpenBSD when quitting the app, which can also be happening on other systems (no reports yet, but the problem is now fixed for good).
- Fixed configure/build scripts to work natively under OpenBSD.

download http://stella.sourceforge.net/

via http://www.emucr.com/2018/06/stella-v513.html