能够显示4个汉字的源程序，通过硬件调试。本程序带了Proteus仿真，可以方便地进行调试，改变汉字点阵码可以显示自己想要的汉字。-Able to show four characters of the source, through hardware debug. This procedure with the Proteus simulation, debugging can easily change the characters dot matrix code can show the c