Modelsim仿真软件的使用比较复杂，本教程中详细说明了该软件的安装注意事项、前仿真后仿真的相关用法以及相关问题的解决方法-Modelsim simulation software is more complex to use, this tutorial explains in detail the installation of the software note, the former related to use of simulation and post-simulation solutions to related problems