#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
uchar temp,aa,numwe,numdu;
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};

uchar code tablewe[]={
0xfe,0xfd,0xfb,0xf7,0xef,0xdf};

//void delay(uint z);
void main()
{
numdu=0;
numwe=0;
aa=0;
TMOD=0x01;
TH0=(65536-5000)/256;
TL0=(65536-5000)%256;
EA=1;
ET0=1;
TR0=1;
while(1)
{
//delay(1000);
//temp=_crol_(temp,1);
//P1=temp;
if(aa==1)
{
aa=0;
numdu++;
if(numdu==7)
numdu=1;
dula=1;
P0=table[numdu];
dula=0;
wela=1;
P0=tablewe[numwe];
wela=0;
numwe++;
if(numwe==6)
numwe=0;
}
}
}

/*void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}*/

void timer0() interrupt 1
{
TH0=(65536-5000)/256;
TL0=(65536-5000)%256;
aa++;
if(aa==40)
{
aa=0;
numdu++;
if(numdu==16)
numdu=0;
dula=1;
P0=table[numdu];
dula=0;
}
}

数码管动态显示（51单片机）续上篇