sbit LED0 at PORTB.B0; // bit is fully defined
sbit LED1 at PORTB.B1;
sbit LED2 at PORTB.B2;
sbit LED3 at PORTB.B3;
sbit LED4 at PORTB.B4;
sbit LED5 at PORTB.B5;
sbit LED6 at PORTB.B6;
sbit LED7 at PORTB.B7;




//main function
void main(void)
{
   unsigned int c;		//for loop Counter

	TRISB = 0;
	PORTB = 0;

	while(1)
	{

		for(c=0; c<10; c++)
		{
			//forward
			LED0 = 1;
			Delay_ms(1000);

			LED0 = 0;
			LED1 = 1;
			Delay_ms(1000);

			LED1 = 0;
			LED2 = 1;
			Delay_ms(1000);

			LED2 = 0;
			LED3 = 1;
			Delay_ms(1000);

			LED3 = 0;
			LED4 = 1;
			Delay_ms(1000);

			LED4 = 0;
			LED5 = 1;
			Delay_ms(1000);

			LED5 = 0;
			LED6 = 1;
			Delay_ms(1000);

			LED6 = 0;
			LED7 = 1;
			Delay_ms(1000);

			LED7 = 0;


			//reverse
			LED6 = 1;
			Delay_ms(1000);

			LED6 = 0;
			LED5 = 1;
			Delay_ms(1000);

			LED5 = 0;
			LED4 = 1;
			Delay_ms(1000);

			LED4 = 0;
			LED3 = 1;
			Delay_ms(1000);

			LED3 = 0;
			LED2 = 1;
			Delay_ms(1000);

			LED2 = 0;
			LED1 = 1;
			Delay_ms(1000);

			LED1 = 0;
			LED0 = 1;
			Delay_ms(1000);


		}

		//re-initalize PORTB
		PORTB = 0b00000000;

		for(c=0; c<10; c++)
		{

			PORTB = 0b10101010;
			Delay_ms(1000);

			PORTB = 0b01010101;
			Delay_ms(1000);

		}

		for(c=0; c<10; c++)
		{

			PORTB = 0b11110000;
			Delay_ms(1000);

			PORTB = 0b00001111;
			Delay_ms(1000);

		}

		for(c=0; c<10; c++)
		{

			PORTB = 0b11001100;
			Delay_ms(1000);

			PORTB = 0b00110011;
			Delay_ms(1000);

		}

		for(c=0; c<10; c++)
		{

			PORTB = 0b10000001;
			Delay_ms(1000);

			PORTB = 0b01000010;
			Delay_ms(1000);

			PORTB = 0b00100100;
			Delay_ms(1000);

			PORTB = 0b00011000;
			Delay_ms(1000);

			PORTB = 0b00100100;
			Delay_ms(1000);

			PORTB = 0b01000010;
			Delay_ms(1000);

		}

	}

}