[ErikPshat]

Сообщение от Draqen88 I have a 2004 psp model, what do you need to test? Could you compile it to work on windows with an .exe?

So I wrote what I need to start. Later I will continue the description to the end, but I think everything is clear already.
https://www.pspx.ru/forum/showthread.php?t=110198

Only I have not checked yet, most likely you need to banner.bin enter a line from the file header *.prx.enc -> SCE-5281 for_CS. instead of this SCE-6442 for_CS.