如图，我做的是用C51单片机、74HC154和74HC595做的LED点阵显示系统。现在只能两块屏幕上显示相同的汉字，不会写滚动（左移）显示程序，求论坛的大神帮忙知道一下！谢谢

仿真图

源程序


#include<reg51.h>

#include<intrins.h>

#define uchar unsigned char

#define uint unsigned int

#define LineCtrl P2

#define N 2



sbit Shift_CLK_Pin = P0^1;

sbit Serial_Data_Pin = P0^0;

sbit RCK_Pin = P3^7;

sbit Switch_74LS154 = P3^6;       



/***********************汉字点阵码*************************/

uchar code FONT[][32]=

{

   {0x00,0x00,0x00,0x00,0xFE,0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0x1F,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x7F,0x00,0x00,0x00,0x00},//三

   {0x08,0x04,0x08,0x04,0x08,0x04,0x88,0x3F,0x2A,0x04,0xAA,0x24,0x2A,0x25,0x2A,0x15,

0x2A,0x04,0xEA,0x7F,0x2A,0x0A,0x3A,0x0A,0x26,0x11,0x00,0x11,0x80,0x20,0x40,0x40},//峡

   {0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0xFF,0x7F,0x80,0x00,0x80,0x00,

0x40,0x01,0x40,0x01,0x20,0x02,0x20,0x02,0x10,0x04,0x08,0x08,0x04,0x10,0x03,0x60},//大

   {0x44,0x10,0x88,0x10,0x88,0x08,0x00,0x04,0xFE,0x7F,0x02,0x40,0x01,0x20,0xF8,0x07,

0x00,0x02,0x80,0x01,0xFF,0x7F,0x80,0x00,0x80,0x00,0x80,0x00,0xA0,0x00,0x40,0x00},//学

   {0x10,0x08,0xB8,0x08,0x0F,0x09,0x08,0x09,0x08,0x08,0xBF,0x08,0x08,0x09,0x1C,0x09,

0x2C,0x08,0x0A,0x78,0xCA,0x0F,0x09,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08},//科

   {0x08,0x04,0x08,0x04,0x08,0x04,0xC8,0x7F,0x3F,0x04,0x08,0x04,0x08,0x04,0xA8,0x3F,

0x18,0x21,0x0C,0x11,0x0B,0x12,0x08,0x0A,0x08,0x04,0x08,0x0A,0x8A,0x11,0x64,0x60},//技

   {0x44,0x10,0x88,0x10,0x88,0x08,0x00,0x04,0xFE,0x7F,0x02,0x40,0x01,0x20,0xF8,0x07,

0x00,0x02,0x80,0x01,0xFF,0x7F,0x80,0x00,0x80,0x00,0x80,0x00,0xA0,0x00,0x40,0x00},//学

   {0x00,0x02,0x1E,0x04,0xD2,0x7F,0x4A,0x40,0x2A,0x20,0x86,0x1F,0x0A,0x00,0x12,0x00,

0xD2,0x7F,0x12,0x09,0x16,0x09,0x0A,0x09,0x82,0x48,0x82,0x48,0x42,0x70,0x22,0x00},//院

};



uchar tmp[64]={

   0x00,0x20,0xE4,0x23,0x28,0x22,0x28,0x2A,0xA1,0x2A,0xA2,0x2A,0xA2,0x2A,0xA8,0x2A,

0xA8,0x2A,0xA4,0x2A,0xA7,0x2A,0x84,0x20,0x44,0x21,0x44,0x22,0x24,0x28,0x10,0x10,//测

   0x00,0x14,0x04,0x24,0x08,0x24,0x08,0x04,0xE0,0x7F,0x00,0x04,0x0F,0x04,0xE8,0x07,

0x88,0x04,0x88,0x08,0x88,0x08,0xA8,0x08,0x98,0x53,0xE8,0x50,0x40,0x60,0x00,0x40//试

};





//延时约1毫秒

void delay(uint us)

{

  uchar d;

  for(;us>0;us--)

  for(d=0;d<255;d++);

}

//送一个字节的子程序

void SendByte(uchar dat)

{

   uchar i;

   for(i=0;i<8;i++)

     {

            Shift_CLK_Pin=0;

                if(dat&0x80)Serial_Data_Pin=1;

                else Serial_Data_Pin=0;

                Shift_CLK_Pin=1;

                dat=dat<<1;

        }

}

void Display(uchar*dat1)

{

   uchar i;

   for(i=0;i<16;i++)

     {

            SendByte(dat1[2*i+33]);SendByte(dat1[2*i+32]);

                SendByte(dat1[2*i+1]);SendByte(dat1[2*i]);

                RCK_Pin=0;

                _nop_();

                _nop_();

                _nop_();

                _nop_();

                LineCtrl&=0xF0;

                LineCtrl=LineCtrl|i;

                RCK_Pin=1;

                delay(1);

        }

}

void main()

{

   uchar i,j,k,l;

   Switch_74LS154=0;

   while(1)

     {

             Display(tmp);

                 delay(1000);

                 for(i=0;i<22;i++)

                  {

                     for(j=0;j<2;j++)

                         for(k=1;k<9;k++)

                            {

                                   for(l=0;l<16;l++)

                                      {

                                              tmp[l*N]=tmp[l*N]<<1|tmp[l*N+1]>>7;

                                                  tmp[l*N+1]=tmp[l*N+1]<<1|tmp[l*N+32]>>7;

                                                  tmp[l*N+32]=tmp[1*N+32]<<1|tmp[1*N+33]>>7;

                                                  tmp[l*N+33]=tmp[l*N+33]<<1|FONT[l*N+j]>>(8-k);

                                                }

                                        Display(tmp);

                                        delay(1);

                }

                        }

                delay(5000);

        }

}


这个程序显示有问题……
此帖出自小平头技术问答