I did a simplified version of this with one decider and one arithmetic. It may help in future circuits :) factorio rocket counter.png In the BP, the requester chests need to be populated and I included the values for each productivity module stored in constant combinators. 0eNrtXVtv6kYQ/i+W+tLC6d53H...

I got this idea being frustrated that other shift register designs only carry one signal, and most need to be 'primed'. This is a simple 3 combinator per cell shift register capable of transferring every signal minus the clock signal. In the example, the red wire on each cell is it's memory output, ...