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<BR>
cmpflag=0;
<BR>
second3=0;
<BR>
goto a;
<BR>
}
<BR>
}
<BR>
cc=0;
<BR>
errorflag=0;
<BR>
rightflag=1;
<BR>
hibitflag=0;
<BR>a:
cmpflag=0;
<BR> } </P>
<P> } <BR>} <BR>void t0(void) interrupt 1 using 0
<BR>{ <BR> TH0=(65536-500)/256; <BR> TL0=(65536-500)%6;
<BR> if((errorflag==1) && (rightflag==0))
<BR> { <BR> bb++;
<BR> if(bb==800)
<BR> {
<BR> bb=0;
<BR>
alarmflag=~alarmflag; <BR>
} <BR> if(alarmflag==1)
<BR> {
<BR>
P0_0=~P0_0; <BR> }
<BR> aa++;
<BR> if(aa==800)
<BR> {
<BR> aa=0;
<BR>
P0_1=~P0_1; <BR> }
<BR> second3++;
<BR> if(second3==6400)
<BR> {
<BR>
second3=0;
<BR>
hibitflag=0;
<BR>
errorflag=0;
<BR>
rightflag=0;
<BR>
cmpflag=0;
<BR> P0_1=1;
<BR>
alarmflag=0;
<BR> bb=0;
<BR> aa=0;
<BR> }
<BR> } <BR> if((errorflag==0) &&
(rightflag==1)) <BR> {
<BR> P0_1=0;
<BR> cc++;
<BR> if(cc<1000)
<BR> {
<BR> okflag=1;
<BR> }
<BR> else if(cc<2000)
<BR> {
<BR>
okflag=0; <BR>
} <BR> else
<BR>
{
<BR>
errorflag=0;
<BR>
rightflag=0;
<BR>
hibitflag=0;
<BR>
cmpflag=0;
<BR>
P0_1=1;
<BR>
cc=0;
<BR>
oka=0;
<BR>
okb=0;
<BR>
okflag=0;
<BR>
P0_0=1;
<BR>
} <BR> if(okflag==1)
<BR> {
<BR> oka++;
<BR>
if(oka==2)
<BR>
{
<BR>
oka=0;
<BR>
P0_0=~P0_0;
<BR>
} <BR> }
<BR> else
<BR> {
<BR>
okb++;
<BR>
if(okb==3)
<BR>
{
<BR>
okb=0;
<BR>
P0_0=~P0_0;
<BR>
} <BR> }
<BR> } <BR>}</P></DIV><BR>
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