Can't you replace the file directly in CDMage ? Modded file just needs to be equal or smaller in size, no need to rebuild everything. Can it? After the psx image is extracted in CDMage... I right click a file [it's a .70 file type] found in the .cue & select "Import File" only for it ...

Explain it to me like I'm five. So, I used CDMage to take apart this .cue file for a PS1 game. Exported a file, I wanted to make changes to, changed it & now I want to know how to use MkPSXISO to rebuild it. I'm REALLY new & beginner at using command prompt & I'm really confused as to ho...