led显示.c

采用汇编加C语言书写的LED程序

#include <reg51.h>
#include <absacc.h>
#define uint usigned int
#define uint uchared char
void delay(uint);
void display(void);
uchar disbuffer[8]={0,1,2,3,4,5,6,7};
void main(void)
{
  XBYTE[0X07F03]=0X80; 
 while(1)
	disbuffer();
}
void delay(uint j)
{
	uint i;
  for(i=0;i<j;i++);
}

void display(void)
{
  uchar codevalue[16]={3FH,06H,5BH,4FH,66H,6DH,7DH,07H,
     7FH,6FH,77H,7CH,39H,5EH,79H,71H};
  uchar i,temp,j,k=OX7F;
	for(i=0;i<8;i++)
	{
	  j=disbuffer[i];
	  temp=codevalue[j];
	  XBYTE[0X7F00]=temp;
	  XBYTE[OX7F01]=k;
	  k=k>>1;
	  delay(200);
	}
}	


	}
  


}