FMxx features implementation

[dukesrg]

• [x] 32 6-op algorithms
• [x] 8 4-op algorithms
• [x] 40 opsix algorithms (can be selected manually)
• [x] Frequency modulation
• [x] Feedback
• [x] EG
• [x] EG shift
• [x] 6-op frequency/ratio coarse
• [x] 6-op frequency/ratio fine
• [x] 4-op frequency/ratio coarse
• [ ] 4-op frequency/ratio fine
• [x] 8 waveforms
• [x] Phase init
• [x] Transpose
• [x] Velocity
• [x] Key velocity sensitivity
• [x] Level scaling
• [x] Rate scaling
• [x] Detune
• [x] PEG
• [ ] LFO
• [ ] Amplitude modulation
• [ ] Pitch modulation
• [ ] Portamento
• [ ] Reverb

[aframires]

Hey! If you need some help with this let me know!

[dukesrg]

@aframires Yes, thanks, we're actually stuck with EG level/Out level relation now. Several features just won't fit into performance limit, but correct EG is a must.

Here is the current discussion in progress https://www.gearslutz.com/board/electronic-music-instruments-and-electronic-music-production/1306032-korg-logue-user-oscillator-programming-thread-22.html