char x1=0b00000000;
char x2=0b00000000;
char x3=0b11111110;
char x4=0b11111110;
char x5=0b00000000; ////
char x6=0b11111110;
char x7=0b11111110;
char x8=0b00000110;
char x9=0b00000110;
char x10=0b11111110;
char x11=0b11111110;
char x12=0b00000110;
char x13=0b00000110;
char x14=0b00111110;
char x15=0b00101110;
char x16=0b00101000;
char x17=0b00111000;
char x18=0b00000000; ////
char x19=0b00000000;
char x20=0b00000000;
char x21=0b00000000;





char n;

void main()
{
TRISB=0;
PORTB=0;

TRISa=0;
PORTa=0;

loop:

for(n=0;n<32;n++){

porta.f1=1;   porta.f1=0;/////////*****///////////


//////////////////////////////////////////////

porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00000001;
delay_us(500);


//////////////////////////////////////////////

porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00000010;
delay_us(500);

//////////////////////////////////////////////

porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00000100;
delay_us(500);

//////////////////////////////////////////////

porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00001000;
delay_us(500);


//////////////////////////////////////////////

porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00010000;
delay_us(500);


//////////////////////////////////////////////


porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00100000;
delay_us(500);


//////////////////////////////////////////////
porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b01000000;
delay_us(500);

//////////////////////////////////////////////
porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b10000000;
delay_us(500);

porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00000001;
delay_us(500);

porta.f0=1;porta.f1=1; porta.f1=0;  porta.f0=0;
portb=0b00000010;
delay_us(500);


}



x1=x2;
x2=x3;
x3=x4;
x4=x5;
x5=x6;
x6=x7;
x7=x8;
x8=x9;
x9=x10;
x10=x11;
x11=x12;
x12=x13;
x13=x14;
x14=x15;
x15=x16;
x16=x17;
x17=x18;
x18=x19;
x19=x20;
x20=x21;
x21=x1;


goto loop;
}