I can't believe I'm just about to ask this... but it has been a nasty weekend and despite all I've managed some progress. So yeah, now a feel a little silly at throwing the towel at some LED toggling.
So, I have a prototyped remote (TX) that send X, Y info from a joystick plus four buttons. The information is transmitted as an array in the shape of:
[XXX, YYY, A, B, C, D]