AT89C51单片机，8位数码管(共阴共阳都行)，实现0～7左(右)移循环显示(可能差东西，除单片

AT89C51单片机，8位数码管(共阴共阳都行)，实现0～7左(右)移循环显示(可能差东西，除单片

#include      

#define sled_dm_port  P0      
#define sled_wm_port  P2      



void delay_1ms(char x)
{
    char j;
    while(x--){
        for(j=0;j<125;j++)
            {;}
        }   
}
 

void main()
{
 char i;
 char j;
 int count=0;
 char sled_disp_buff[]={0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,
                            0xc6,0xa1,0x86,0x8e,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}; 
    
    char sled_bit_table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
 while(1){
  for(j=0;j<100;j++){ 
   for(i=0;i<8;i++){  
    sled_wm_port = 0xff; 
    sled_dm_port = sled_disp_buff[i+count]; 
    sled_wm_port = sled_bit_table[i]; 
    delay_1ms(1);
    }
   }
  count++;
  if(count>=24) count=0; 
  } 
}