实现俄罗斯方块游戏的运行，详细的代码，可能有点小逻辑错误-Achieve Tetris game running, a detailed code, may be a bit small logic error

基于QT4的游戏源码，俄罗斯方块，可直接用于6410开发板。代码有注释-QT4-based source of the game, Tetris, can be directly used in the 6410 development board. Code annotated