SET verb

• It is used to set/increase/decrease the value of the indexes
• Example:-
  SET S1 TO 3.
  This will set the value of index S1 to 3.
• General syntax:-
  SET index-1 [, index-2]…      {TO/UP BY/DOWN BY}     {identifier-1/integer-1}

• Example 1:-
  SET S1,E1 TO 2.
  This will set values of S1, E1 to 2
• Example 2:-
  SET S1,E1 TO D1.
  This will store the current value of D1 into S1, E1
• Example 3:-
  SET D1 UP BY 1.
  This will increment the value of D1 by 1
• Example 4:-
  SET D1 DOWN BY 2.
  This will decrement the value of D1 by 2