应用Verilog进行编写四种波形发生的程序，并结合DE2板与DVCC实验板上的D/A转换器在示波器显示出波形。初步了解Verilog的编程及DE2板的应用，加强对其的实际应用操作能力。-Verilog waveform application process for the preparation of the four occurred, combined with D DE2 board and DVCC experimental board/A converter in the oscilloscope displays waveform. Preliminary understanding of the Verilog programming and DE2 board applications, strengthening its practical application ability.