讲述使用modelsim进行验证，使用verilogHDL语言进行建模。其中还包括一个讲述怎样用verilog语言编写测试台的详细文档，对fpga cpld设计的后期验证有很大的帮助。-About the use modelsim for authentication, use verilogHDL language modeling. It also includes a focus on how to use verilog test bench written a detailed document on the design of the post-verification fpga cpld very helpful.