Dude... Why are you paying for a hacked PSP. Just get a regular PSP and hack it yourself. Its so easy. And ps1 games I'm not sure if you need to be hacked to play them. I would imagine you need to have a hacked one tho
There is no unified guide on how to translate games. Every game is different and you need to figure things out. Sometimes you may even need to code your own programs to edit the game files. Is there a specific game you're trying to work on? Or did you just want to know how in general?
Well for me personally its super easy to use. Just insert files into the directory and save as Iso. I never really bothered with other iso programs because umd gen worked so well.
OK first you need to download the lme custom firmware. http://zload.net/v2/archives/file/?id=2417896
Now put PSP in USB mode and into the computer
Next extract it and copy the "launcher" and "installer" folders into /PSP/GAME
Now go to the game section and open the installer and press x to...
There's a solid guide on GBA temp that should solve your problems. http://gbatemp.net/threads/how-to-softmod-hack-your-psp.293978/ if you have any questions feel free to ask
@Xdqwerty good. thats great fma takes more time to to build up the beginning. brotherhood rushed the beginnign because the beginning had already been told