，51单片机控制LED左、右移显示、翻页显示。

看不懂的地方在在程序注释后面写了 为红色部分，先谢谢了

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit sh_cp=P3^0;       //595时钟端
sbit ds=P3^1;             //595数据段
sbit st_cp=P3^3;        //595锁存端
uchar num=20;            //汉字个数
/***************************汉字字模和图像码****************//
uchar code tab[]={                                        //取码方式，阴码逆向，逐列，16*16
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x40,0x01,0x20,0x02,0x90,0x04,
0x48,0x09,0x24,0x12,0x12,0x24,0x09,0x48,0x04,0x10,0x02,0x20,0x00,0x00,0x00,0x00,/*"《",0*/
0x00,0x10,0x00,0x10,0xF8,0x13,0x49,0x12,0x4A,0x12,0x4C,0x12,0x48,0x12,0xF8,0xFF,
0x48,0x12,0x4C,0x12,0x4A,0x12,0x49,0x12,0xF8,0x13,0x00,0x10,0x00,0x10,0x00,0x00,/*"单",1*/
0x00,0x00,0x00,0x80,0x00,0x60,0xFE,0x1F,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x02,
0x20,0x02,0x3F,0x02,0x20,0xFE,0x20,0x00,0x20,0x00,0x20,0x00,0x00,0x00,0x00,0x00,/*"片",2*/
0x10,0x04,0x10,0x03,0xD0,0x00,0xFF,0xFF,0x90,0x00,0x10,0x83,0x00,0x60,0xFE,0x1F,
0x02,0x00,0x02,0x00,0x02,0x00,0xFE,0x3F,0x00,0x40,0x00,0x40,0x00,0x78,0x00,0x00,/*"机",3*/
0x80,0x00,0x82,0x80,0x82,0x40,0x82,0x30,0xFE,0x0F,0x82,0x00,0x82,0x00,0x82,0x00,
0x82,0x00,0x82,0x00,0xFE,0xFF,0x82,0x00,0x82,0x00,0x82,0x00,0x80,0x00,0x00,0x00,/*"开",4*/
0x00,0x00,0x00,0x20,0x18,0x10,0x16,0x8C,0x10,0x83,0xD0,0x80,0xB8,0x41,0x97,0x46,
0x90,0x28,0x90,0x10,0x90,0x28,0x92,0x44,0x94,0x43,0x10,0x80,0x00,0x80,0x00,0x00,/*"发",5*/
0x00,0x08,0x00,0x08,0xF8,0x8F,0x88,0x48,0x88,0x28,0xFF,0x1F,0x88,0x08,0x88,0x08,
0x88,0x08,0xFF,0x1F,0x88,0x28,0x88,0x48,0xF8,0x8F,0x00,0x08,0x00,0x08,0x00,0x00,/*"典",6*/
0x20,0x44,0x22,0x42,0xA2,0x49,0x7E,0x48,0x22,0x48,0x22,0x48,0xFE,0x49,0x22,0x7E,
0x22,0x48,0x00,0x48,0x7C,0x48,0x00,0x49,0x00,0x4A,0xFF,0x41,0x00,0x40,0x00,0x00,/*"型",7*/
0x10,0x04,0x10,0x03,0xD0,0x00,0xFF,0xFF,0x90,0x00,0x14,0x89,0xE4,0x4B,0xAF,0x2A,
0xA4,0x1A,0xA4,0x0E,0xA4,0x1A,0xAF,0x2A,0xE4,0x4B,0x04,0x88,0x00,0x80,0x00,0x00,/*"模",8*/
0x20,0x10,0x20,0x30,0x20,0x10,0xFF,0x0F,0x20,0x88,0x20,0x48,0x08,0x21,0x08,0x11,
0x08,0x0D,0xFF,0x03,0x08,0x0D,0x08,0x11,0x08,0x21,0xF8,0x41,0x00,0x81,0x00,0x00,/*"块",9*/
0x40,0x00,0x40,0x00,0x42,0x00,0xCC,0x3F,0x00,0x90,0x40,0x88,0xA0,0x40,0x9E,0x43,
0x82,0x2C,0x82,0x10,0x82,0x28,0x9E,0x46,0xA0,0x41,0x20,0x80,0x20,0x80,0x00,0x00,/*"设",10*/
0x40,0x00,0x40,0x00,0x42,0x00,0xCC,0x7F,0x00,0x20,0x40,0x10,0x40,0x00,0x40,0x00,
0x40,0x00,0xFF,0xFF,0x40,0x00,0x40,0x00,0x40,0x00,0x40,0x00,0x40,0x00,0x00,0x00,/*"计",11*/
0x00,0x00,0x00,0x00,0x02,0x20,0x04,0x10,0x09,0x48,0x12,0x24,0x24,0x12,0x48,0x09,
0x90,0x04,0x20,0x02,0x40,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"》",12*/
/********************************“心”*************************************/
0x00,0x00,0xE0,0x00,0xF0,0x01,0xF8,0x03,0xFC,0x07,0xFC,0x0F,0xF8,0x1F,0xF0,0x3F,
0xF0,0x3F,0xF8,0x1F,0xFC,0x0F,0xFC,0x07,0xF8,0x03,0xF0,0x01,0xE0,0x00,0x00,0x00,/*"未命名文件",0*/
/*********************************清屏字模********************************/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
void send(uchar dat595);
void delay(uint n);
void disp(uchar k);
void dispmove(void);
void main()
{
   while(1)
   {
     dispmove();
   }
}
void send(uchar dat595)                            //595发送8位扫描段码子程序
{
   uchar dat=dat595;                               //把要发送的数据给dat
   uint i;
   for(i=0;i<8;i++)                                          //8位发送循环
   {
          dat<<=1;                         //数据左移一位给CY
          ds=CY;                              //数据送至595数据端
          sh_cp=0;
          sh_cp=1;
   }
}
void delay(uint n)
{
  uint i,j;
  for(i=0;i<n;i++)
     for(j=0;j<100;j++);
}
void disp(uchar k)
{
  uchar i,row,j,m;
  uint g;
  for(j=0;j<5;j++)                              // 动态显示5次，再移动
  {
     row=0x08;                                       //74138的编码初值08第一行有效
         for(i=0;j<16;i++)                            //16行循环有效
         {
            st_cp=0;                                       595锁存端无效
            for(m=6;m>0;m--)                          6组16*16数据发送循环
            {
                   g=2*i+2*k+m*32-32;                 //取字模    {这里看不懂为什取字模是这样的}
                   send(tab[g+1]);                             //上半屏
                   send(tab[g]);                                    //下半屏
                }
                P1=row;
                row++;
                st_cp=1;
                delay(1);
         }
  }
}
void dispmove(void)                     //左、右移动、翻页显示
{
  uchar k,j;
  for(k=0;k<16*(num-6);k++)              //num个字，6个16*16点的Led显示屏。K++为向后取码则左移
  {
           disp(k);                                                 //16*（num-6）为需要的点数{这里的点数是什么意思}
  }
  for(k=16*(num-6);k>0;k--)                       //K--为向后取码则右移
  {
           disp(k);
  }
  for(j=0;j<3;j++)
  {
          for(k=16;k>0;k--)
    {
            disp(16*16*j);
    }
  }
}

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