Blue Dragon Plus

I've started to play blue dragon Plus the game is good and I'm playing it on my
R4 SDHC 4GBBefore i start the game I select the cheats i want and I start to play.
But when i'm playing something it not rightWhen i'm fighting enemyleaders and I use one of my shadow dragon attacks
on the leaders when they have half of their lives and i hit them their HP get refilled is this the result of using the cheat infinite hp all characters (R+UP= on R+DOWN= off0I'm asking because this cheat does not work when i turn it on or off sometimes it stays on of it stays offdoes anayone know what to do or what i am doing wrong please tell meI just love this game

If you love the game, don't cheat otherwise try and find a more current cheat.dat or email the creator and ask him, kupo.