def sc.v0
import emerging-ezaudio@0.4.0.0/src/mp3_syn.bend as Mp3Synimport Base
687# row 0, column ii, then the six neighbour slots
688def sc.v0(got: Dx, +ii: U32) -> Sv:
689 match got:
690 case Dx{acc, r0}:
691 sc.v1(dx.at(acc, u.add(ii, 8)), ii, r0)