Donkey Kong

009-4DF-3BE     Infinite lives
882-64F-F7A     Start with 36 lives
00C-34F-E6E     Infinite time
02C-34F-E6E     Timer is 2x faster
3E4-F3D-081 + XX4-F4D-4CE + 004-F5D-C49     Practice stage XX--level 
indicator doesn't work, can't go on to next level