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#include<reg51.h>
#define uchar unsigned char uchar j,k,i,a,A1,A2,second;
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
};
void delay(uchar i) {
for(j=i;j>0;j--)
for(k=125;k>0;k--); } void display(uchar sh_c,uchar g_c) {
dula=0; P0=table[sh_c];
dula=1; dula=0; wela=0; P0=0xfe;
wela=1; wela=0; delay(5); P0=table[g_c];
dula=1; dula=0; P0=0xfd; wela=1; wela=0; delay(5);
}
void main()
{
while(1)
{
second++; if(second==60)
second=0;
A1=second/10;
A2=second%10;
for(a=50;a>0;a--)
{
display(A1,A2)
}
}
}
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