GameBoy\Cbopcode::cbopcode38 PHP Method

    private static function cbopcode38(Core $core)
    {
        $temp_var = $core->memoryRead($core->registersHL);
        $core->FCarry = ($temp_var & 0x80) == 0x80;
        $temp_var = $temp_var << 1 & 0xff;
        $core->memoryWrite($core->registersHL, $temp_var);
        $core->FHalfCarry = $core->FSubtract = false;
        $core->FZero = $temp_var == 0x0;
    }