Inserting values into a process's memory
Does anyone of any info or links on how to insert values into another process's memory?
Like what a trainer for a game does, giving you 99 lives etc.
Ive already trained the game, so i know where to insert the values, i just don't know how!
Im not asking someone to tell me how to do it, just if they have any info/links on how its done as i'd like to learn.
I've tried searching arround but i don't even know what the correct name for doing so is called!