First defined in: FKiSS3
The sub action sets the value of variable to the value
of (A - B).
If the result would be outside the range of a 32-bit integer (from
-2147483648 to 2147483647), this action will trigger the
Overflow event.
variable
variable must a variable name.
A
A may be number or a variable.
B
B may be number or a variable.
Example:
;@ sub(X, X, 1) ; Subtract 1 from X and store the result back in X.
;@ sub(Diff, A, B) ; Subtract B from A and store the result in Diff.