a couple of comments

plugin/module.cpp

@@ -29,6 +29,7 @@ void Module::run(Voice* voice) {
     // work out the "master" cutoff
     vcfCutoff = patchRam.vcfFreq / 127.0f;
     vcfCutoff += lfo * (patchRam.vcfLfo/127.0f);
+    // also needs pitch bend amount for the base level
 
     for (uint32_t i = 0; i < NUM_VOICES; i++) {
         switch (voice[i].envPhase) {
@@ -47,5 +48,6 @@ void Module::run(Voice* voice) {
             voice[i].env = 1.0f;
             voice[i].envPhase = 2;  // flip to decay
         }
+	// per voice we need to calculate the key follow amount and envelope amount
     }
-}
+}