This function adds a new Abacus layer type.

This function adds the ability to quickly copy layers to each other.

This function introduces meta controllers, the first one of which is a block change.

This function introduces a master transpose meta controller.

This function adds MIDI (note on) recording to all layers.

This function manages the output of MIDI SysEx messages everytime you press a button in normal mode, and CC messages when instruments are changed.

This function doesn’t allow arbitrary pitch shifting of user samples, but does open up some of the TNR’s base capability.

This function introduces an implementaton of an arpeggiator.

This function adds the ability to set different scales per layer.

If you are going to be updating firmware frequently, I can recommend these…