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ising

A sequencer for Monome norns based on a simple 2D Ising model.

Ising is a modified version of zellen, a sequencer based on Conway's Game of Life.

Usage

  • Grid: enter/modify cell pattern
  • KEY2: play/pause current generation (semi-manual mode), advance sequence (manual mode), play/pause sequence (automatic mode)
  • KEY3: advance generation
  • hold KEY1 and press KEY3: erase the board
  • ENC1: set speed (bpm)
  • ENC2: set play mode (see below)
  • ENC3: set play direction (see below)
  • hold KEY3 + ENC3: time jog
  • hold KEY1 + ENC2: change temperature
  • hold KEY1 + ENC3: change coupling constant

Play Modes

Set the play mode with ENC2.

  • spin up: Play a note for every cell that has spin up
  • spin down: Play a note for every cell that has spin down
  • spin flip (default): Play a note for every cell that flipped its spin since the last generation

Play Direction

Set the play direction with ENC3.

  • up: Cells on grid are played from top left (lowest note) to bottom right (highest note).
  • down: Cells on grid are played from bottom right (highest note) to top left (lowest note).
  • random: Cells are played in random order. The randomized order will be stable for a generation and will be re-randomized for every new generation.
  • drunken up: Like up, but decides for each step randomly if it goes up or down.
  • drunken down: Like down, but decides for each step randomly if it goes up or down.

Sequencing modes

Set the sequencing mode in the parameters screen. Default is semi-automatic.

  • manual: Press KEY2 to play the next step in the sequence for a single generation.
  • semi-automatic: Plays the sequence for a single generation (and loops it if "loop seq in semi-auto mode" is enabled).
  • automatic: Like semi-automatic, but automatically calculates the next generation and plays it (default).

Crow support

Ising supports CV out via Crow. Crow CV output can be configured in Norns's parameters menu.

Crow configuration for Ising:

  • Input 1: Clock
  • Input 2: CV offset
  • Output 1: CV
  • Output 2: Trigger
  • Output 3: CV 2
  • Output 4: Clock

CV offset (input 2) can be set to pre or post quantization in the parameters menu.

CV 2 is, just like the main sequence, a CV derived from the current play position on the board. The CV can be calculated with these methods (configurable in the parameters menu):

  • x/y (default)
  • x%y
  • x+y (same as the main sequence)

Just Friends support (via ii)

Ising supports playing notes on Mannequins Just Friends via Crow and a ii connection. The note value can be determined with the same methods as the CV 2 value for Crow (configurable in the parameters menu).

MIDI

Set the MIDI channel (default: 1), MIDI velocity (default: 100), and MIDI clock in the parameters screen.

More Parameters

There is lots more to discover in the parameters screen, like root note, scale, and flip offset.