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Value changes to ??

 
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LostForever
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PostPosted: Tue Jan 19, 2010 6:29 am    Post subject: Value changes to ?? Reply with quote

So I was using Cheatengine to hack the number of an item in a stack in Dolphin and it was all going good found the value in byte set it to 255 and the item seperated into 2 stacks of 99 and one stack of 57. BUT now the value of the address is "??"

For example it would look like this before:
Address Type Value
005D9212 byte 13

And after I change it the value looks like this:
005D9212 byte ??

however, the game accepts the value (I've used every value from 1 to 255 with no avail) the second the value is changed its question marks. Further more if I attempt to refind the value of an item in the same slot it cannot be found. The game will give me the effect but when I save and reload it goes loopy and I have to use my backup save.

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LostForever
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PostPosted: Sat Jan 23, 2010 6:55 pm    Post subject: Reply with quote

*BUMP*
I really need help with this guys why does the value change to Question marks?

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Pot.Smoking.Terrorist
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PostPosted: Sun Jan 24, 2010 5:24 am    Post subject: Reply with quote

Keyword: (Multilevel)pointer Wink Have you successfully solved the CE Tutorial(.exe)? If not: Do it! Smile
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LostForever
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PostPosted: Sun Jan 24, 2010 6:46 am    Post subject: Reply with quote

I have but its just really weird behavior because it does it for like 6000 addresses (All change to ??) and yet sometimes I can change it to whatever I please as many times as I please. Also I'm on a 64bit os and having trouble using the debugger most of the time.
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Slugsnack
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PostPosted: Sun Jan 24, 2010 7:52 am    Post subject: Reply with quote

LostForever wrote:
I have but its just really weird behavior because it does it for like 6000 addresses (All change to ??) and yet sometimes I can change it to whatever I please as many times as I please. Also I'm on a 64bit os and having trouble using the debugger most of the time.

the ?? most likely is when a dynamically allocated block of memory is freed. as the other poster said, the way to be able to automatically refind the new block is to get a pointer to it, which is explained in CE tutorial
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LostForever
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PostPosted: Sun Jan 24, 2010 3:36 pm    Post subject: Reply with quote

Ah okay i did not know that it would affect a huge number of addresses so randomly I guess I'm off to find some pointers then! Thanks for all the help I'll post if I need more. Very Happy
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