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A playable chord sequencer and arpeggiator for Monome Teletype and Monome Grid

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A playable chord sequencer and arpeggiator for Monome Teletype and Monome Grid

Tutorial: https://youtu.be/1SCG_FcJc24

To load onto Teletype, download the .txt file, rename to the scene slot you wish to overwrite (e.g. tt07.txt) and drop on a thumb drive. Insert into Teletype and commence jams.

TELETYPE I/O:

  • LEFT SIDE: CHORD SEQ
  • CENTER: SET LOOP START+END (USE 2 FINGERS TO SET)
  • RIGHT SIDE: ARP SEQ
  • IN 1: ADVANCE CHORD
  • IN 2: RESET ARP
  • IN 3: ADVANCE ARP
  • CV IN: CHORD SPREAD/VOICING
  • PARAM KNOB: SCALE
  • TR 1: CHORD TRIGGER
  • TR 2: LIVE CHORD TRIGGER
  • TR 3: ARP TRIGGER
  • TR 4: LIVE ARP TRIGGER
  • CV 1-3: CHORD
  • CV 4: ARP

SCALES:

  • 0-major
  • 1-natural-minor
  • 2-harmonic-minor
  • 3-melodic-minor
  • 4-dorian
  • 5-phrygian
  • 6-lydian
  • 7-mixolydian
  • 8-locrian

SCRIPT NOTES:

  • $ 1 Triggers chord sequence advancing, CV and TR out
  • $ 2 Spread/voicing algo for chord CV, triggers reset of arp section
  • $ 3 Triggers arp sequence advancing, CV and TR out
  • $ 4 Handler for sequence advancing (P.NEXT, reset, setting loop start/PN.L)
  • $ 5 Sets dim previous/reset loop button LEDs
  • $ 6 Looper column button handler
  • $ 7 Sets loop variables post-handler
  • $ 8 Sequence button handler (including live play triggering)

VARIABLES:

  • A Enable Chord P.NEXT
  • B Enable Seq P.NEXT
  • C Current Chord
  • D Local var for $ 8, + Init (via Metro)
  • X Loop BTN GRPI (8/9), + Init (via Metro)
  • Y Loop BTN -8 (0/1)
  • Z Indicates Chord/Arp (0/1) when calling $ 4
  • T Local var for $ 3
  • R IN + modifiers
  • PRT 7 Metro/Init
  • PRT 8 PRM/Scale
  • PRT 9 Raw IN/CV

PATTERN VARIABLES:

P Section PN 3 From 1/0 (Z/Y) From 8/9 (X) Note
0 Chord Current Start Z/Y - X 8
1 Arp Current Start Z/Y - X 8
2 Chord Current Loop Length + Z/Y 2 - X 6 0 indexed
3 Arp Current Loop Length + Z/Y 2 - X 6 0 indexed
4 Chord Pending Start + Z/Y 4 - X 4
5 Arp Pending Start + Z/Y 4 - X 4
6 Chord Pending Loop Length + Z/Y 6 - X 2
7 Arp Pending Loop Length + Z/Y 6 - X 2
8 Chord Previous Loop Length + Z/Y 8 X
9 Arp Previous Loop Length + Z/Y 8 X
10 Chord Looper G.BTN.C + Z/Y 10 + X 2
11 Arp Looper G.BTN.C + Z/Y 10 + X 2
12 Chord Loop state + Z/Y 12 + X 4
13 Arp Loop state + Z/Y 12 + X 4
14 Chord Reset State + Z/Y 14 + X 6
15 Arp Reset State + Z/Y 14 + X 6

RESET LOGIC FLOW: Minim reset logic flow