if (attack == AT_FAIR) || (attack = AT_BAIR){
    if (left_strong_pressed){
        spr_dir = -1;
        attack = AT_FSTRONG;
    }
    if (right_strong_pressed){
        spr_dir = 1;
        attack = AT_FSTRONG;
    }
}

if (attack == AT_UAIR) && (up_strong_pressed){
    attack = AT_USTRONG;
}

if (attack == AT_DAIR) && (down_strong_pressed){
    attack = AT_DSTRONG;
}