I am making progress with emotions. I have added pain, hunger and fear to a microbe. I am now working on sequential actions, such as walking and sitting. ZNodes work well for that as well. They can be used when you need to wait for some other action to finish.
Completion requires memory and recall.
Sequential actions will lead into memory storage and recall, since they are also sequential actions. On going research continues on other applications of Hal algebra. Help me here, folks.