modelsim是在FPGA开发中很重要的时序仿真辅助工具，其中包含了对modelsim这个软件很详细的使用所用说明。使你非常简单的就学会了！-modelsim is a very important development in the FPGA timing simulation aids, which contains details of modelsim use of this software is used for instructions. Make you a very sim