Here are some cheats and tips for the game Zelda 2: The Adventures of Link.
SZKGKXVK Link has infinite lives
PASKPLLA Link starts with 1 life
TASKPLLA Link starts with 6 lives
PASKPLLE Link starts with 9 lives
AZUOLIAL Mega-jump
OYKEEVSA + NPKEOVVA Swap Shield spell for Fire spell
LYKEEVSA + VAKEOVVE Swap Shield spell for Spell spell
LZKEEVSA + OPKEOVVA Swap Shield spell for Fairy spell
IIKEEVSE + VAKEOVVE Swap Shield spell for Life spell
VTKEEVSA + OPKEOVVA Swap Shield spell for Thunder spell