#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
uchar ss,ff,mm,sh,sl,fh,fl,mh,ml,shzx,slzx,fhzx,flzx,mhzx,mlzx;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void yc(uint);
void main()
{////////初始化程序//////////
ET0=1;
EA=1;
TMOD=0x01;
TCON=0x00;
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
TR0=1;
EA=1;
num=0;
mm=0;
ff=0;
ss=0;
while(1)
{/////////分解十位和個位//////////
sh=ss/10;
sl=ss%10;
fh=ff/10;
fl=ff%10;
mh=mm/10;
ml=mm%10;
/////////變字型碼//////////
shzx=table[sh];
slzx=table[sl];
fhzx=table[fh];
flzx=table[fl];
mhzx=table[mh];
mlzx=table[ml];
/////////顯示/////////////
dula=1;
P0=table[sh];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
yc(5);
dula=1;
P0=table[sl]|0x80;
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
yc(5);
dula=1;
P0=table[fh];
dula=0;
P0=0xff;
wela=1;
P0=0xfb;
wela=0;
yc(5);
dula=1;
P0=table[fl]|0x80;
dula=0;
P0=0xff;
wela=1;
P0=0xf7;
wela=0;
yc(5);
dula=1;
P0=table[mh];
dula=0;
P0=0xff;
wela=1;
P0=0xef;
wela=0;
yc(5);
dula=1;
P0=table[ml];
dula=0;
P0=0xff;
wela=1;
P0=0xdf;
wela=0;
yc(5);
}
}
void yc(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=10;j>0;j--);
}
void T0ZD()interrupt 1
{ EA=0;
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
num++;
if(num==20)
{
num=0;
mm++;
while(mm==60)
{
mm=0;
ff++;
while(ff==60)
{
ff=0;
ss++;
while(ss==24)
{
ss=0;
}
}
}
}
EA=1;
}
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