说明：  静态显示出来8051程序源码，将预置在显示出来缓冲区中的6个数置换成相应的显示出来字形，然然后输出到显示出来器中显示出来。运行以上程序源码，数码管将显示出来543210。 可直接使用。
(Static display out of the 8051 program source code will be preset to the displayed buffer the number of replacement into the corresponding displayed glyph, and then and then output to be displayed in the device are displayed. Run the above program source code, the digital tube will display 543,210. Can be used directly.)