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}
return key;
void t0() interrupt 1 //µ¹¼Æʱ { TH0=0x3c; TL0=0xb0;//50ms count++; if(count==20) {
count=0; sec=sec-1; if(sec<=0) {
if(sec==0) {
if(min==0)
{
EA=0; Beep(); P2=0xff; P1=0xff; P0=0xff; while(1);
} else min--;
}
sec=60;
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}
}
}
void Disp() interrupt 3 //ÏÔʾ { }
void xidi(void) //±ê׼ϴµÓ 12min {
p10=0; delay(2000);
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TH1=0x63; TL1=0x18; num=(num%2); P2=0xff;
P0=0xff; //ÏûÓ° P2=bittab[num]; switch(num) { } num++;
P0=disptab[min]; break;
P0=disptab[min/10]; break; case 0:
case 1:
default:break;
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}
p16=0; delay(5000); p16=1;
delay(3000); for(i=0;i<60;i++) {
p20=0; delay(4000); p20=1; p21=1; delay(2000); p21=0; delay(4000); p20=1; p21=1; delay(2000);
}
p17=0;//¿ªÅÅË® delay(5000); p17=1;//¹ØÅÅË® p10=1;
void xidi_1(void) //¿ìËÙÏ´µÓ 7min {
p10=0; delay(2000); p16=0; delay(5000);
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p16=1;
delay(3000); for(i=0;i<35;i++)// { p20=0; delay(4000); p20=1; p21=1; delay(2000); p21=0; delay(4000); p20=1; p21=1;
delay(2000);
}
p17=0;//¿ªÅÅË® delay(5000); p17=1;//¹ØÅÅË® p10=1;
}
void piaoxi(void) // Ưϴ 6min { p11=0; delay(2000); p16=0; delay(8000); p16=1;
delay(3000);
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