calculus of factorial number another way

calculus of factorial number another way

一个用verilog写的基于VGA接口的屏幕保护电路，创意点在于动画的显示没有借助于图片的更替，而是纯逻辑的演算。-Based on a screen using verilog write protection circuit VGA interface, creative point is animated by means of pictures showed no change, but a purely logical calculus.