via http://pdroms.de/

ReGBA by Nebuleon is a Game Boy Advance emulator based ultimately on gpSP 0.9 by Exophase. You can also submit patches on GitHub.
Release notes:
In this release, software bilinear scaling is available, and subpixel-aware scaling is now a special case of software bilinear scaling and is much less rainbow-fringey.
http://boards.dingoonity.org/gcw-rel...(alpha-1)/165/