Sets (writes a 1 to) a bit of a numeric variable.
x: the numeric variable whose bit to set
n: which bit to set, starting at 0 for the least-significant (rightmost) bit
The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.