Totally new to my psp. PS1 games?

Hey. I'm in iraq (yay) and just bought this psp from my friend. I don't know ANYTHING about a psp, but I want to learn how to play playstation one games on it. can anyone help me out? thanks.

You'll have to have a custom firmware, then you would need to convert playstation isos to eboot then put them onto a memory stick.