定时计数器流水灯.c

51单片机入门级资料。流水灯

#include<reg52.h>
#include<intrins.h>
unsigned char k;
void main()
{

	EA=1;
	TMOD=0x01;
	ET0=1;
	TH0=0x3c;
	TL0=0xb0;
	TR0=1;
	k=0xfe;
	while(1)
		P1=k;

}

void time1() interrupt 1
{
	TH0=0x3c;
	TL0=0xb0;
	k=_crol_(k,1);
}