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Stella

Stella 5.0.2

Stella is a multi-platform Atari 2600 VCS emulator released under the GNU General Public License (GPL).

Windows
Freeware
2.3 MB
More votes needed

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 is a multi-platform Atari 2600 VCS emulator released under the GNU General Public License (GPL). Stella was originally developed for Linux by Bradford W. Mott, and is currently maintained by Stephen Anthony. Since its original release several people have joined the development team to port Stella to other operating systems such as AcornOS, AmigaOS, DOS, FreeBSD, IRIX, Linux, OS/2, MacOS, Unix, and Windows. The development team is working hard to perfect the emulator and we hope you enjoy our effort.

On this site you'll find information about downloading, installing, using, and enhancing Stella. You'll also find useful information about the Atari 2600, emulation and homebrew development.

What's New:

  • Improved emulation of Trakball controller, eliminating bias in left/ right directions. Thanks to Thomas Jentzsch for the idea and code. Related to this, added 'tsense' commandline argument and associated UI item, to allow changing sensitivity of mouse trackball emulation.
  • Added preliminary support for multi-threading in the Blargg TV effects code. This is still a WIP; more improvements are coming. Related to this, further optimized the TIA rendering code. Also added 'threads' commandline argument and associated UI item to enable/disable multi-threading. Thanks to Thomas Jentzsch for the bulk of the work in this area.
  • Blargg TV effects now no longer cut off the right side of the image (by several pixels) in certain cases.
  • Updated CDF scheme to latest version from Spiceware. In addition, this scheme now supports versioning, so older and newer ROMs will continue to work.
  • Fixed an annoying bug in Linux, where Alt-Tab'ing out of a window and then back again would pass a 'Tab' key event to the app, which in most cases would navigate to the next UI element.
  • Fixed potential issue with state file saving and the debugger; under certain circumstances a rewind would give a different state than before (note that the state file format has changed because of this).
  • Fixed lockups when entering the debugger under certain circumstances.
  • The debugger 'listtraps' command now shows all traps set, not just the first one(s).
  • Reverted joystick changes for Decathlon ROMs from last release, as it was added by mistake.