GameBoy\Cbopcode::cbopcode3 PHP Method

    private static function cbopcode3(Core $core)
    {
        $core->FCarry = ($core->registerE & 0x80) == 0x80;
        $core->registerE = ($core->registerE << 1 & 0xff) + ($core->FCarry ? 1 : 0);
        $core->FHalfCarry = $core->FSubtract = false;
        $core->FZero = $core->registerE == 0;
    }