Software needed
Action Replay to .cht.cht to .scc ConverterDownload & unpack the software above if you haven't already.
Go to
codejunkies & choose a game. Im going to use Need for Speed Underground 2 in this tutorial.

Click on the link for the game your going to use & the code page will come up.

Now you want to copy & paste the codes to a txt file
then put @ on the start of each main code & # on any sub codes.

Save your txt now & number it to that of your game (e.g. 0002)
open ar2cht & browse to your txt file click open than ok which will make a .cht file.

open cht2supercardcheat click make cheat then browse to your .cht file then click open.

now put your new .scc in the cheat folder in your scshell folder on the root of your flash card. (SCDSONE)

when you start your game you will see your cheat menu.

taken from SCcheats (needs updated)