It sounded to me like a cellular automata programming language, like Dave Ackley's "SPLAT" for the Moveable Feast Machine, or Lu Wilson's Sandpond visual CA programming language:

Moveable Feast Machine:

https://movablefeastmachine.org/

Programming Soft ALife with SPLAT and Ulam:

https://www.livingcomputation.org/files/deck213-as-presented...

SPLAT repo:

https://github.com/DaveAckley/SPLAT

Cells in Cells in Cells:

https://www.youtube.com/watch?v=gv40Z9tVjAI

Spellular Automata:

https://www.youtube.com/watch?v=xvlsJ3FqNYU

NEW Cellular Automata:

https://www.youtube.com/watch?v=WMJ1H3Ai-qs

SandPond:

https://github.com/TodePond/SandPond

Live SandPond:

https://sandpond.cool/

TODEPOND TIMES: Nogan:

https://todepond.substack.com/p/todepond-times-nogan