#include<mega8.h>
void main(void){
int a=0;
// Port B initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRB=(0<<DDB7) | (0<<DDB6) | (0<<DDB5) | (0<<DDB4) | (0<<DDB3) | (0<<DDB2) | (0<<DDB1) | (0<<DDB0);
// State: Bit7=P Bit6=P Bit5=T Bit4=T Bit3=T Bit2=P Bit1=P Bit0=P
PORTB=(1<<PORTB7) | (1<<PORTB6) | (0<<PORTB5) | (0<<PORTB4) | (0<<PORTB3) | (1<<PORTB2) | (1<<PORTB1) | (1<<PORTB0);

// Port C initialization
// Function: Bit6=In Bit5=Out Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRC=(0<<DDC6) | (1<<DDC5) | (0<<DDC4) | (0<<DDC3) | (0<<DDC2) | (0<<DDC1) | (0<<DDC0);
// State: Bit6=P Bit5=0 Bit4=T Bit3=T Bit2=T Bit1=T Bit0=T
PORTC=(1<<PORTC6) | (0<<PORTC5) | (0<<PORTC4) | (0<<PORTC3) | (0<<PORTC2) | (0<<PORTC1) | (0<<PORTC0);

// Port D initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRD=(0<<DDD7) | (0<<DDD6) | (0<<DDD5) | (0<<DDD4) | (0<<DDD3) | (0<<DDD2) | (0<<DDD1) | (0<<DDD0);
// State: Bit7=P Bit6=P Bit5=P Bit4=P Bit3=P Bit2=P Bit1=P Bit0=P
PORTD=(1<<PORTD7) | (1<<PORTD6) | (1<<PORTD5) | (1<<PORTD4) | (1<<PORTD3) | (1<<PORTD2) | (1<<PORTD1) | (1<<PORTD0);
while (1)
  {
  if (a<1)
  {
    if ((PINB.0==1)&&(PINB.1==1)&&(PINB.2==1)&&(PINB.6==1)&&(PINB.7==1)&&(PINC.6==1)&&(PIND.0==1)&&(PIND.1==1)&&(PIND.2==1)&&(PIND.3==1)&&(PIND.4==1)&&(PIND.5==1)&&(PIND.6==1)&&(PIND.7==1))
    {
        PORTC.5=0;
    }
    else
    {
        PORTC.5=1;
        a++;
    }
  }

  }