'ax,cx are bytes for counting
'tmp_a,tmp_b,value,value2 are bytes for storage
'RANK and SCORE are constants that index locations in the scratch pad
'NOP is a constant for the number of players
'rank = 0
'score = 16
'NOP = 16
'the scratch pad 
'  0-15  rank of player1 -> player16
'  16-31 score of player 1 -> plater16
BUBBLE:
  FOR ax = 0 TO NOP - 2                    'outer loop counts iterations of the inner loop
    FOR cx = 0 TO NOP - 2 - ax             'inner loop counts through array and tests for swaps
      GET RANK + cx, tmp_a                 'gets the index of the cx'th ranked player
      GET RANK + cx + 1, tmp_b             'gets the index of the next ranked player
      GET SCORE + tmp_a, value             'gets the score the the cx'th ranked player
      GET SCORE + tmp_b, value2            'gets the score of the next player
      IF value < value2 THEN               'if the cx'th player's score is less than the next player's score
        PUT RANK + cx, tmp_b               'swap the index in the ranking 
        PUT RANK + cx + 1, tmp_a
      ENDIF                                'otherwise leave them alone
    NEXT
  NEXT
  RETURN 