用verilog语言编写的按键控制流水灯实验程序。通过3个按键可以分别控制流水灯的亮灭、左移、右移。压缩包内也包含此按键控制流水灯实验程序的modelsim仿真文件。-Verilog language with control buttons light water experimental procedure. By three buttons can control the light water lights off, left,