James Pond II - Codename Robocod.

 No.  Code  Effect
   1  R1RT-R6X0  MASTER CODE--MUST BE ENTERED
   2  A2DA-AAAW   Start with 6 lives
   3  AJ8T-AA9G  Infinite lives
   4  AY8T-AAHN  Restart with 5 chances
   5  AYDA-AAA2  Start with 5 chances
   6  AJ8A-AA8C  Spikes don't hurt
   7  AJ8T-AA26  Bad guys don't hurt when you have 2 or more energy on the "fish-o-meter" 
   8  968T-B93C  Invincibility--bad guys explode when you touch them!
   9  AVAA-AA90  Most bad guys die after 1 hit
 10  ALZA-AA5A  Infinite continues
 11  BADA-AAAE  8 continues
 12  AJYT-AA20  Keep wings from round to round