单片机（C语言版本）I “心“ U 上滑显示

#include

sbit ADDR0=P1^0;
sbit ADDR1=P1^1;
sbit ADDR2=P1^2;
sbit ADDR3=P1^3;
sbit ENLED=P1^4;

unsigned char code image[]={
   0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
   0xC3,0xC3,0xE7,0xE7,0xE7,0xC3,0xC3,0xFF,
   0xFF,0x99,0x00,0x00,0x00,0x81,0xC3,0xE7,
   0xFF,0xFF,0x99,0x99,0x99,0x99,0x99,0x81,
   0xC3,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
};

void main(){
   EA=1;
   ENLED=0;
   ADDR3=0;
   TMOD=0x01;
   TH0=0xFC;
   TL0=0x67;
   TR0=1;
   while(1);
}

void InterruptTimer0() interrupt 1
{
	static unsigned char i = 0;
	static unsigned char tmr = 0;
	static unsigned char index = 32;

	TH0=0xFC;
	TL0=0x67;

	P0=0xFF;
	switch(i){
    case 0:	 ADDR2=0;ADDR1=0;ADDR0=0;i++;P0=image[index+0];break;
	case 1:	 ADDR2=0;ADDR1=0;ADDR0=1;i++;P0=image[index+1];break;
	case 2:	 ADDR2=0;ADDR1=1;ADDR0=0;i++;P0=image[index+2];break;
	case 3:	 ADDR2=0;ADDR1=1;ADDR0=1;i++;P0=image[index+3];break;
	case 4:	 ADDR2=1;ADDR1=0;ADDR0=0;i++;P0=image[index+4];break;
	case 5:	 ADDR2=1;ADDR1=0;ADDR0=1;i++;P0=image[index+5];break;
	case 6:	 ADDR2=1;ADDR1=1;ADDR0=0;i++;P0=image[index+6];break;
	case 7:	 ADDR2=1;ADDR1=1;ADDR0=1;i=0;P0=image[index+7];break;
	default:break;
	}

	tmr++;
	if(tmr>=250){
		tmr = 0;
		index--;
		if(index<=0){
			index=32;
		}
	}
}