i forgot to comment

src/simudator/processor/mia/modules/asr.py

@@ -8,6 +8,9 @@ class ASR(IntegerRegister, MiaBusConnector):
     Register for controlling the memory andress in MIA.
     """
 
+    # Python does not allow multiple inherintence if more than one of the 
+    # parent classes uses __slots__. Thus we also includes the __slots__
+    # from MiaBusConnector.
     __slots__ = ("bus_id", "bus_control_s")
 
     def __init__(

src/simudator/processor/mia/modules/mia_grx.py

@@ -14,6 +14,9 @@ class GRX(Module, MiaBusConnector):
     registers should be indexed by the GRx bits or the M bits.
     """
 
+    # Python does not allow multiple inherintence if more than one of the 
+    # parent classes uses __slots__. Thus we also includes the __slots__
+    # from MiaBusConnector.
     __slots__ = (
         "grx_control",
         "m_control",

src/simudator/processor/mia/modules/mia_memory.py

@@ -11,6 +11,9 @@ class MiaMemory(MiaBusConnector, Memory):
     to/from the mia bus.
     """
 
+    # Python does not allow multiple inherintence if more than one of the 
+    # parent classes uses __slots__. Thus we also includes the __slots__
+    # from MiaBusConnector.
     __slots__ = ("label_adress_mapping", "bus_id", "bus_control_s")
 
     def __init__(

src/simudator/processor/mia/modules/pc.py

@@ -17,6 +17,9 @@ class PC(Module, MiaBusConnector):
     value on the bus. If both are true it does nothing.
     """
 
+    # Python does not allow multiple inherintence if more than one of the 
+    # parent classes uses __slots__. Thus we also includes the __slots__
+    # from MiaBusConnector.
     __slots__ = ("bus_id", "bus_control_s", "value", "increase_by_one")
 
     def __init__(