与Verilog HDL 程序设计教程配合使用，是初学者堆程序有更深的了解-And Verilog HDL programming tutorial with the use of beginners have a better understanding of the heap program

利用Xilinx ISE用Verilog编写的计算器(Using Xilinx ISEalculator and register heap program written in Verilog HDL language)