You MUST enable this code to do the other codes. At the title screen, press and hold Upper-Right + A + B on the 2nd controller. Then hold Left + Down and Select on the 1st controller. ( You should still be holding the buttons Controller II) Then press Start on the 1st controller. If you entered the code correctly you should here a tone and be taken to the game.
If you don't have any money left, but need armor, choose Raos (Boy) as your character. Go to the shop in the first tree to the left of the house. Select the crystal and then go back home. You'll recieve armor (which the shop doesn't even have!) for free!!
First do the "Cheat Mode" code. Then choose Raos (the boy on the left). Go to the store, stand before the Crystal and press A. You'll get a free Armor. Go back to the house and choose Raos again, but this time, wear the armor you just got for free. Leave the house and deplete your magic points completely. Go back into the house, place the cursor on the grandfather painting on the wall and at the same time hold Left + B on controller 2 & Right on controller 1 (the cursor should stay in place).Now, while holding, press A on controller 1. If done right, a sound should be heard. Now you'll have max items and if you die, you'll come back to life.
To hear various in-game music, Move the pointer to the painting on the wall in the house at the start of the game, and press A on your controller.
Enter the following at the grandfather's password screen...