PocketMatrix

See the Microsoft link below re: fmodf



As a self-confessdd noon you should learn the power of self-help & look at the supplied docs. You can also search this forum as most everything has been covered before inc. pitch.

is the specific thing you need help on.

vb_start is a pointer (a numeric value that is a memory address).

*vb_start dereferences the pointer. In other words, that evaluates to whatever value is at the memory address that vb_start contains.

Dan East