- SigPort -- | Use as a port
- | SigInternal -- | Use as an internal signal
- | SigState -- | Use as an internal state
- | SigSubState -- | Do not use, state variable is used in a subcircuit
+ SigPortIn -- | Use as an input port
+ | SigPortOut -- | Use as an input port
+ | SigInternal -- | Use as an internal signal
+ | SigStateOld Int -- | Use as the current internal state
+ | SigStateNew Int -- | Use as the new internal state
+ | SigSubState -- | Do not use, state variable is used in a subcircuit