本实验使用的是128×64图形点阵液晶，编写实验程序，通过8255 控制液晶，显示“唐都

科教仪器公司欢迎你！”，并使该串滚屏一周

-In this study, using a 128 × 64 dot matrix LCD, the preparation of experimental procedures, control of the LCD by 8255, show " Tang Education Equipment Company welcomes you!" , And make the series a week scroll