Osmose is a Sega Master System / Gamegear console emulator. The emulator is
released as open source project, under GPL license and exists for both Linux and windows.

What's new:

-SMS emulation: Good compatibility. At this stage, the emulator can run* 96% of commercial
games and public demos, except games that relies on codemaster mapper, which work
but does not have proper video mode emulated.
-Game Gear emulation : Good compatibility. At this stage, the emulator can run 98.0% of
game gear ROMS.
-SN76489 Sound is supported, but still needs work.
-support. for .ZIP .SMS and .GG format.
-Video filters: monochrom, scanline, scale2x, bilinear, nearest neighbour, scale2xscanline (fullscreen option always available).
-Pad(keyboard or joystick mapped), Sport Paddle (mouse mapped) emulation.
-PAL/NTSC Timing.
-Japanese/Export console.
-In game Screenshots, GFX rip, sound shot.
-Accurate auto-frameskip.
-Configurable keyboard configuration.
-Joystick support.