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已经给你修改过了 你写的有点小问题
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
uchar ge, shi, bai, qian, wan,tt,z;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f};
void display(uchar z);
void delay(uchar x);
void main()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
z=0;
while(1)
{
void display();
}
}
void timer0() interrupt 1 //中断函数定时1秒
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
tt++;
if(tt==20)
{
tt=0;
z++;
if(z==10000)
z=0;
display();
}
}
void display()
//显示函数，显示五位数
{
wan=z/10000;
qian=z%10000/1000;
bai=z%1000/100;
shi=z%100/10;
ge=z%10;
dula=1;
P0=table[wan];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delay(1);
dula=1;
P0=table[qian];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delay(1);
dula=1;
P0=table[bai];
dula=0;
P0=0xff;
wela=1;
P0=0xfb;
wela=0;
delay(1);
dula=1;
P0=table[shi];
dula=0;
P0=0xff;
wela=1;
P0=0xf7;
wela=0;
delay(1);
dula=1;
P0=table[ge];
dula=0;
P0=0xff;
wela=1;
P0=0xef;
wela=0;
delay(1);
}
void delay(uchar x)//延时函数造成残影
{
uint a,y;
for(a=x;a>0;a--)
for(y=110;y>0;y--);
}
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