#include<reg51.h>
sbit row1=P1^1;
sbit row2=P1^0;
sbit row3=P1^3;
sbit row4=P1^2;
sbit row5=P1^5;
sbit row6=P1^4;
sbit row7=P1^7;
sbit row8=P1^6;

void delay(unsigned int y)
{
	unsigned int x;
	for(x=0;x<y;x++);
}
void main()
{
unsigned int a;
P1 = 0xff;
a=150;
	while(1)
	{
	   //////////////////////D
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row3=0;row7=0;
	   delay(a);
	   P1 = 0xff;
	   row4=0;row5=0;row6=0;
	   delay(a);
	   P1 = 0xff;
	   delay(a);
	   delay(a);
	   //////////////////////D 


	   //////////////////////E
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   delay(a);
	   delay(a);
	   //////////////////////E


	   //////////////////////W
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;
	   delay(a);
	   P1 = 0xff;
	   row8=0;
	   delay(a);
	   P1 = 0xff;
	   row4=0;row5=0;row6=0;row7=0;
	   delay(a);
	   P1 = 0xff;
	   row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;
	   delay(a);
	   P1 = 0xff;
	   delay(a);
	   delay(a);
	   //////////////////////W



		////////////////////hart
		row4=0;row5=0;
		delay(a);
		P1 = 0xff;
		row3=0;row6=0;
		delay(a);
		P1 = 0xff;
		row3=0;row7=0;
		delay(a);
		P1 = 0xff;
		row4=0;row8=0;
		delay(a);
		P1 = 0xff;
		row3=0;row7=0;
		delay(a);
		P1 = 0xff;
		row3=0;row6=0;
		delay(a);
		P1 = 0xff;
		row4=0;row5=0;
		delay(a);
		P1 = 0xff;
		delay(a);
		delay(a);
		//////////////////hart


		//////////////////////T
	   row2=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;
	   delay(a);
	   P1 = 0xff;
	   delay(a);
	   delay(a);
	   //////////////////////T


	   //////////////////////A
	   row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row3=0;row5=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;
	   delay(a);
	   P1 = 0xff;
	   row3=0;row5=0;
	   delay(a);
	   P1 = 0xff;
	   row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   delay(a);
	   delay(a);
	   //////////////////////A


	  //////////////////////R
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row5=0;row6=0;
	   delay(a);
	   P1 = 0xff;
	   row3=0;row4=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   delay(a);
	   delay(a);
	   //////////////////////R

	   //////////////////////N
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   row4=0;
	   delay(a);
	   P1 = 0xff;
	   row5=0;
	   delay(a);
	   P1 = 0xff;
	   row6=0;
	   delay(a);
	   P1 = 0xff;
	   row2=0;row3=0;row4=0;row5=0;row6=0;row7=0;row8=0;
	   delay(a);
	   P1 = 0xff;
	   delay(a);
	   delay(a);
	   delay(5000);
	   //////////////////////N
	}
}