How to Make your own Cheat Codes

[LightKingdom666]

But for example, in my case I want to create a code that allows me to select the same character twice or more times in a game called Mario Sports Mix, how do I do it? Since I consider that the code you gave as an example is quite specific.

P.D: I know that this tutorial is almost 5 years old, but I would greatly appreciate your answer.