缘由求老哥帮做一下单片机题。_嵌入式-CSDN问答

#include "REG52.h"
bit k=1;
void main()
{unsigned char Xd=0,ss=15,cs=0;unsigned int ys=64000;while(1){P1=ss;if(++ys==0&&cs<8){k=~k;++cs;ss=(k?15:240);ys=64000;}}
}

#include "REG52.h"
bit k=1;
void main()
{unsigned char Xd=0,ss=0,cs=0;unsigned int ys=64000;while(1){P1=ss;if(++ys==0){++ss;ys=64000;}}
}

#include "REG52.h"
bit k=1;
void main()
{unsigned char Xd=0,ss=1,cs=0;unsigned int ys=64000;while(1){P1=ss;if(++ys==0){ss+=cs++;ys=64000;}}
}