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题目:流水灯 红灯0.5秒/次右移,绿灯0.2秒/次右移,求单片机输入源码

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
uchar num=0;
void t0isr() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
num++;
switch(num)
{
case 4:
P0=_cror_(P0,1);
break;
case 10:
P1=_cror(P1,1);
break;
default:break;
}
if(num>=10)num=0;
}
main()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TR0=1;
ET0=1;
EA=1;
P0=0x7f;
P1=0x7f;
while(1);
}
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2024-05-17 06:32:56
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