How can i convert my own PS1 game discs?

I want to put my legally-owned original disc of Gran Turismo1 for the PSX, onto my PSP. What app must I use to create the files required?

You need popsation program. And you need a official Sony PS1 eboot game

You'll also need a program to turn your originals into compatible image files with popstation. I downloaded the demo version of cdrwin - www.goldenhawk.com - and used that to rip all my games with no problems.

Be mindful that certain other apps don't work properly if you decide to try out another ripping app.

Use MagicISO, convert CD to .bin/.cue image

I think ISO Producer is the best program to use