State Machine - |stark_machine|key_filter:key_filter_inst|state_c
Name state_c.UP state_c.HOLD state_c.DOWN state_c.IDLE 
state_c.IDLE 0 0 0 0 
state_c.DOWN 0 0 1 1 
state_c.HOLD 0 1 0 1 
state_c.UP 1 0 0 1