学院写的程序请查看
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar bdata OUT;
sbit JDQ=OUT^0;
sbit HF =OUT^1;
sbit BZ =OUT^2;
sbit AA =OUT^3;
sbit BB =OUT^4;
sbit CC =OUT^5;
sbit DD =OUT^6;
sbit HC574_LE=P3^3;
sbit RS=P1^7;
sbit RW=P3^4;
sbit E =P3^5;
//-----------------------------------------------------
发表时间:2009年7月30日16:05:23