Search found 3 matches

by GotaruO
Thu Jul 14, 2005 8:52 pm
Forum: PSP Development
Topic: downgrader 1.51 & 1.52 (from the decrypted elf)
Replies: 10
Views: 7296

We have had a decrypted updater ever since nem and TyRaNiD began decrypting PRXs more than a month ago. Matter of fact TyRaNiD's decrypter is a sample program in the latest PSPSDK beta. A decrypted updater is good to learn from, but just having it doesn't bombard you with cosmic rays that give you ...
by GotaruO
Sat Jun 11, 2005 8:53 pm
Forum: PSP Development
Topic: PSP File (Research Thread)
Replies: 65
Views: 60608

florinsasu... I was wondering about your sceOpenPSID_Service reversing: do you have a plain ELF version of openpsid.prx or you successed in decrypting an encrypted/compressed PSP? If you can decrypt PSP files it will be a good thing to share some knowledge. In this way we all can help you in the rev...
by GotaruO
Mon Jun 06, 2005 6:22 pm
Forum: PSP Development
Topic: PSP File (Research Thread)
Replies: 65
Views: 60608

Some more header field meaning:

Code: Select all

30-34: Entry point
34-38: Code section physical address
48-4c: Data section virtual address
54-58: Code section memory size
58-5c: Data section memory size