openMSX is the MSX emulator that aims for perfection. openMSX 0.5.0 - Bronze Edition - contains an improved configuration format, significant speedups (including MMX assembly) and many bugfixes. Together with openMSX a new version of Catapult, our user-friendly GUI, was released. Please read the release notes for details, including instructions for upgrading your configurations to the new format.
The latest release can be found here: