/*LCD1602的左右移动*/#include<reg51.h>#define uchar unsigned char#define uint  unsigned intsbit RS=P1^0;sbit RW=P1^1;sbit E=P1^2;uchar code  table1[]="Welcome to china!";uchar code  table2[]="My name is boy !";uchar code  table3[]="  I  love  you !";uchar code  table4[]=" And I love MCU!";void mdelay(uint ms){   uint n;     for(;ms>0;ms--)   for(n=124;n>0;n--);}void write_dictation(uchar dictation){  RS=0;  RW=0;  E=0;   P0=dictation;  mdelay(5);  E=1;  mdelay(20);  E=0;}void write_digtal(uchar digtal){  RS=1;  RW=0;  E=0;   P0=digtal;  mdelay(5);  E=1;  mdelay(20);  E=0;}void Init(){  mdelay(15);  write_dictation(0x38);  mdelay(5);  write_dictation(0x38);  mdelay(5);  write_dictation(0x38);  write_dictation(0x38);  write_dictation(0x08);  write_dictation(0x01);  write_dictation(0x06);  write_dictation(0x0c);}void display_left(uchar num1[16],uchar num2[16]){   uchar i;  write_dictation(0x80);  for(i=0;i<16;i++)  {    write_digtal(num1); mdelay(1);  }  write_dictation(0x80+0x40);  for(i=0;i<16;i++)  {    write_digtal(num2); mdelay(1);  } }void display_right(uchar num3[16],uchar num4[16]){   uchar i;  write_dictation(0x80+0x10);  for(i=0;i<16;i++)  {    write_digtal(num3); mdelay(1);  }  write_dictation(0x80+0x40+0x10);  for(i=0;i<16;i++)  {    write_digtal(num4); mdelay(1);  }}void left_move(){  uchar i;  for(i=0;i<16;i++)  {    write_dictation(0x18); mdelay(3000);  }}void right_move(){  uchar i;  for(i=0;i<16;i++)  {    write_dictation(0x1c); mdelay(3000);  }}void main(){  Init();  display_left(table1,table2);  display_right(table3,table4);  while(1)  {    left_move();    mdelay(3000);    right_move();    mdelay(3000);   }}