Seven Segment LUT Push Button

byte outputPins[] = {3,4,5,6,7,8,9};
volatile byte currentValue = 0;
                     //ABCDEFG0
byte lookupTable[] = {BXXXXXXX0, //0
                      BXXXXXXX0, //1
                      BXXXXXXX0, //2
                      BXXXXXXX0, //3
                      BXXXXXXX0, //4
                      BXXXXXXX0, //5
                      BXXXXXXX0, //6
                      BXXXXXXX0, //7
                      BXXXXXXX0, //8
                      BXXXXXXX0}; //9

void increment(){
    currentValue++;
}

void setup(){
    for(byte a = 0; a < 7; a++){
        pinMode(outputPins[a],OUTPUT);
    }
    attachInterrupt(0, increment, RISING);
}

void loop(){
    if(currentValue == 11){
        currentValue = 0;
    }
    for(byte a = 0; a < 7;a++){
        if(lookupTable[currentValue] & (0x80 >> a)){
            digitalWrite(outputPins[a],HIGH);
        }else{
            digitalWrite(outputPins[a],LOW);
        }
    }

    //delay(1000);
    //currentValue++;
}