Updates an operator for a cycle
chCtrl index notation: 0: velocity, 1: modulation wheel, 2: Amplitude LFO, 3: Extra Envelop Generator
Returns the sum of the level control values for use with the resonant mode
classQM816
protected pragma(inline, true) @nogc @safe pure nothrow
Updates an operator for a cycle chCtrl index notation: 0: velocity, 1: modulation wheel, 2: Amplitude LFO, 3: Extra Envelop Generator Returns the sum of the level control values for use with the resonant mode