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#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit d1=P2^0;
sbit d2=P2^1;
sbit led1=P1^0;
uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
void delayms(uint);
void display(uchar,uchar);
uchar n,n1,n2,shi,ge;
void main()
{
TMOD=0x11;
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
TH1=(65536-45872)/256;
TL1=(65536-45872)%256;
EA=1;
ET0=1;
ET1=1;
TR0=1;
TR1=1;
while(1)
{
display(shi,ge);
}
}
void display(uchar shi,uchar ge) //???
{
d2=1;
d1=0;
P0=table[shi];
delayms(5);
d1=1;
d2=0;
P0=table[ge];
delayms(5);
d2=1;
delayms(5);
}
void delayms(uint xms) //???
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void T0_time()interrupt 1
{
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
n1++;
if(n1==4)
{
n1=0;
led1=~led1;
}
}
void T1_time() interrupt 3 //??????????????
{
TH1=(65536-45872)/256;
TL1=(65536-45872)%256;
n2++;
if(n2==20)
{
n2=0;
n++;
if(n==60)
n=0;
shi=n/10;
ge=n%10;
}
}
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