[Health doesn't decrease (enable)]
04000000 000C4664 2A0803E1

[Health doesn't decrease (disable)]
04000000 000C4664 4B000101

[Dartgun Ammo doesn't decrease (enable)]
04000000 0003F8D8 52800002

[Dartgun Ammo doesn't decrease (disable)]
04000000 0003F8D8 320003E2

[Buy an item to set Coins to 9999 (enable)]
04000000 0006A284 5284E1E9
04000000 0006A288 B9006509
04000000 0006A28C D503201F
04000000 0006A300 52800002

[Buy an item to set Coins to 9999 (disable)]
04000000 0006A284 B9406508
04000000 0006A288 B9400BE9
04000000 0006A28C 6B09011F
04000000 0006A300 B9400BE2