+ if (semis) {
+ if (shuttle_fract == 0) {
+ shuttle_fract = semitones_as_fract (1, false);
+ } else {
+ bool rev;
+ int st = fract_as_semitones (shuttle_fract, rev);
+ shuttle_fract = semitones_as_fract (st + 1, rev);
+ }
+ } else {
+ shuttle_fract += 0.00125;
+ }