#include<reg52.h>
sbit P10=P1^1;
sbit P11=P1^1;
sbit K1=P3^2;
sbit beep=P1^7;
main()
{
char u1;
int n;
P10=0;
while(1)
{
for(u1=0;u1<3000;u1++)
{
for(n=0;n<80;n++);
beep=~beep;
}
P10=~P10;
P11=~P11;
for(u1=0;u1<2500;u1++)
{
for(n=0;n<100;n++);
beep=~beep;
}
P10=~P10;
P11=~P11;
}
}
你這個程序當然實現不了的啦
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