TCH AL Alan Agile VHDL for FPGAs: Why simulate with GHDL before opening Vivado or Quartus? The Problem: The “Weight” of Proprietary IDEs
TCH PO pondahai ghdl，一款開源的vhdl模擬器以及gtkwave，一款開源的波形觀察器，一個二位元全加法器的實作 參考來源：https://ghdl.readthedocs.io/en/latest/using/QuickStartGuide.html
