8只数码管动态显示多个不同字符仿真和源程序 -

#include<reg51.h> //51头文件
#include<intrins.h>
#define uchar unsigned char //数据类型定义
#define uint unsigned int
uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};//七段数码管0~9段码值
void DelayMS(uint x) //延时
{ uint t;
while(x--) //while语句
for(t=0;t<120;t++); //t的值大小确定变换快慢
}
//主程序
void main()
{
uchar i,wei=0x80;
while(1)
{
for(i=0;i<8;i++)
{ P0=0xff;
P0=DSY_CODE[i]; //发送段码
wei=_crol_(wei,1);
P2=wei; //发送位码
DelayMS(2);
}
}
}

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