XALJ
Contra

Infinite Health [Sharkbyte]
000F4635 00000010

Infinite Lives [Sharkbyte]
000F438D 00000063

Moon jump [Sharkbyte]
285B5800 FEFF0100
000F4696 0000000F
E0000000 80008000

Invincible [Sharkbyte]
000F468A 0000005A