$ 1 Advance chord pattern and handle TR.P 2
1. I = end of chord pattern and in non-reset state (Y 0). Flip R
2. If at end of pattern, not in a reset state, and Follow is on, advance to next page and set J (current pattern) to pattern #.
3. If Resetting and Follow is enabled, go to arranger step 0 and set J to PN 3 0
4. If I OR in reset state (Y), run $ 6 to load new pattern, un-reset
- If in reset state, send trigger out to TR.P 2
5. IF end of chord sequence & moving to a new pattern, TR.P 2
6. Log current pattern in K for next pass, emulate a button press for $ 8 flow (fake button 999), run $ 8 and $ 9