How do you do the 99 Puffinn cheat on Pokemon Diamond?

if you have an action replay put this code in, make some bad poffins any favor and then press L+R and in the place of one of those poffins will be a lvl 99 super poffin! before you can make another on you have to eat that one. it won't let you have 2 lvl 99 poffins in your poffin case at the same time Level 99 Poffin

94000130 fcff0000

b21c4d28 00000000

b0000004 00000000

e00052bc 00000007

6363631c 00636363

d2000000 00000000