硬件设计

（末尾附文件）

该方案支持左右滚动，两个按键，其中之一支持暂停/启动，另外一个支持换方向。

原理图：

仿真图：

程序设计

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define data1 P0
#define data2 P2
sbit s1=P3^6;
sbit s2=P3^7;
bit fangxiang;
uint alt=0,net=0,sl=128;
bit mode;
uchar code tab[]={
//
0x20,0x08,0x24,0x10,0x22,0x60,0x21,0x80,0x26,0x41,0x39,0x32,0x02,0x04,0x0C,0x18,
0xF0,0x60,0x13,0x80,0x10,0x60,0x10,0x18,0x14,0x04,0x18,0x02,0x00,0x01,0x00,0x00,/*"欢",2*/

0x02,0x00,0x02,0x02,0x42,0x04,0x33,0xF8,0x00,0x04,0x00,0x02,0x3F,0xF2,0x20,0x22,
0x40,0x42,0x00,0x02,0x3F,0xFE,0x20,0x42,0x20,0x22,0x3F,0xC2,0x00,0x02,0x00,0x00,/*"迎",3*/

0x00,0x80,0x01,0x00,0x06,0x00,0x1F,0xFF,0xE0,0x00,0x02,0x08,0x04,0x30,0x18,0xC0,
0xF0,0x02,0x10,0x01,0x13,0xFE,0x10,0x00,0x10,0x80,0x14,0x60,0x18,0x18,0x00,0x00,/*"你",4*/

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",5*/

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",6*/

};

void delay(uint z)	   //延时子函数
{
   uchar x;
   for(;z>0;z--)
   for(x=110;x>0;x--);
}

void xianshi()			//显示
{ 
	uchar aa,i;
	for(i=0;i<16;i++)
	{
		P1=i; //列扫描
		data1=tab[net+aa]; //取出上8行数据输出
		aa++;
		data2=tab[net+aa]; //取出下8行数据输出
		aa++;
		delay(5);	//延时
		data1=0;  //清屏
		data2=0;  //清屏
		P1=0x00;  //消除余辉
		if(aa>30) aa=0;  //字模地址
	}	
	
}

void main()	 //主函数
{
   ET1=1;	 //使能定时器0
   EA=1;	 //开启总中断
   TR1=1;	//开始计数
   while(1)	 //无限循环
   {
	   xianshi();  //显示
	   if(s1==0)   //检测按键
	   {
	      delay(30);  //延时消抖
		  TR1=~TR1;	  //按下暂停  ，暂按继续
		  while(!s1)xianshi();
		  delay(30);
	   }
	   if(s2==0)	//检测按键
	   {
	       delay(30);			//延时消抖
		   fangxiang=~fangxiang;  //方向取反
		   while(!s2)xianshi();
		   delay(30);
	   }
	 }
}
 
void timer1() interrupt 3
{

   alt++;
   if(alt==10)		   //到一定的时间加以实现左移
   {
     alt=0;
	 if(fangxiang==0)	 //如果是正向 正向移动
	 {
		 net=net+2;
	     if(net>sl)  //字移动数量
	     net=0;

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文件仅供参考：
链接：https://pan.baidu.com/s/1oWzSEVmQzs9xctBMqX0f9Q
提取码：xm55

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