This is the assembly language of the hardware experimental procedure, using 8255 and 0832 in the oscilloscope display four waveforms, square wave, sawtooth wave, triangle wave, sine wave.

• 这是汇编语言的硬件实验程序，用8255和0832在示波器上显示四个波形，方波，锯齿波，三角波，正弦波。