GameBoy\Cbopcode::cbopcode56 PHP Method

    private static function cbopcode56(Core $core)
    {
        $core->FCarry = ($core->registerB & 0x1) == 0x1;
        $core->registerB >>= 1;
        $core->FHalfCarry = $core->FSubtract = false;
        $core->FZero = $core->registerB == 0;
    }