+ bool get_trx() const { return bits[Trx]; }
+ void set_trx() { bits[Trx] = true; }
+
+ bool get_mixbus() const { return bits[Mixbus]; }
+ void set_mixbus() { bits[Mixbus] = true; }
+
+ void set_single_package () { bits[SinglePackage] = true; }
+ bool get_single_package () const { return bits[SinglePackage]; }
+
+private: