led.c

该程序用来测试89C51与IDE硬盘的接口

//*************************************************
void show(uchar h)
{	ACC=h;
	P1_0=a7;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
	P1_0=a6;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
	P1_0=a5;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
	P1_0=a4;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
	P1_0=a3;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
	P1_0=a2;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
	P1_0=a1;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
	P1_0=a0;P1_1=0;P1_1=1;	//P1.0 wei shu jv      p1.1 wei shi zhong
}