UPDATE:

Added so u can create new patch file and modify old one's.

It is vary basic and didn't have time to fully error check(but seemed to work fine).

Three radio buttons check:
Convert: convert codes from Raw to pcsx2 and display it in right box.
Save: Converts raw codes in pcsx2 and then u input game data and it makes a new patch file.
Modify: Converts raw codes into pcsx2 and adds them to file u select.

replaced old file in post one with the updated one.