SGDK is an open and free development kit for the Sega Megadrive. It contains a development library (sources included) to make software on Sega Megadrive / Genesis system and a GCC compiler toolchains (Windows system only). You can find the library doxygen documentation in the 'doc' directory: doc/html/files.html Website: http://code.google.com/p/sgdk/ You can find basics tutorials about how install and use SGDK on this page: http://code.google.com/p/sgdk/w/list For Linux users, don't forget to check the nice Linux port made by kubilus1: http://code.google.com/p/gendev/ SGDK and affiliated tools are distribued under the LGPL license.