Category "basic"

Why are labels in BASIC increments of 10?

In BASIC, tags are in increments of 10. For example, mandlebrot.bas from github/linguist: 10 REM Mandelbrot Set with ANSI Colors in BASIC 20 REM https://github.

(in Visual Basic) Is it possible to "loop" or "rotate" through a byte, without using an( if-then-tree) or (and &HFF)?

What I mean is: If a byte has value of 255, and I add 1. It becomes 0 again. Or if I subtract 1 from a zero value it becomes 255. I have a lot of code, that tre