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by robby
Tue Aug 22, 2006 9:20 pm
Forum: PSP Development
Topic: 2.70 IPL
Replies: 34
Views: 15237

I believe the 0xBFC0 RAM is scrambled inside of the IPL. Every IPL performs "*(u32 *)0xBC100004 = -1;" and on 2.60 upwards this is not done until after the gzip payload is decrypted and the 0xBFC0 RAM is zeroed - it appears this write tells the CPU to kill the hidden boostrap data. The dum...