Shift right

Picks the last two numbers in the stack and shifts right the first one's bits the amount specified by the second one.

Shifting 1 by x returns zero unless x is 0.

Shifting -1 by x always returns -1.

Shifting x by 1, when x is positive, always returns the absolute value of x 2 div.

Possible uses

-1 .shoot 1 *.refeye *.myeye sub ^ mult store

Will shoot whenever *.refeye and *.myeye are not equal.

100 .aimsx 1 *.eye5 ^ mult store

Will turn only when there isn't anything on focus.