这是用VERILOG写的简单推箱子游戏，可以在spratan-3e上运行，vga上显示-It is written in simple VERILOG Sokoban game can run on spratan-3e, vga display

pong游戏的verilog代码，只上传了核心模块的代码，其他模块包括vga驱动和ps2键盘解码-the core code of the pong game, other module include vga and ps2 keyboard driver