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Opcodes accessing other addresses

 
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Dlve
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PostPosted: Tue Apr 01, 2014 2:24 pm    Post subject: Opcodes accessing other addresses Reply with quote

Hello ya'll,

I have come across a bit of a puzzle while searching for addresses.

I have found an address and found an instruction that's accessing it using the debugger. Then I've checked what other addresses found opcodes are accessing and checked the list of the addresses the instruction accessed.
I've come across lists that do not contain the initial address that I used "Find out what accesses this address". This does not change no matter how long I keep the debugger open. The list remains the same even when I restart the game, well the addresses are little bit different but you understand.

Is this something that I shouldn't be concerned about? Is it because the maximum amount is 8? The debugger showed that the instruction accessed the address and that's that or what?

If this has been covered in some topic already I'm sorry but I couldn't find it. I asked about this in one topic but I didn't get answers, perhaps I was too vague. Anyway I might be the only one that is not aware of this at the moment but this will change when somebody starts playing with Cheat Engine like I did about a month or two ago.
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++METHOS
I post too much
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PostPosted: Tue Apr 01, 2014 3:02 pm    Post subject: Reply with quote

Using 'check what other addresses found opcodes are accessing' is typically used for finding instructions that are exclusive to that address. Instead, stop the debugger...highlight the instruction that you are targeting, and click on the button in the debugger window to 'view disassembler'. In the memory viewer, right-click on the instruction to see which addresses the instruction is accessing. Here, you can see a full list of addresses. If the address is not listed, it may be because you are targeting the wrong address (i.e. you may be a few bytes off due to searching the wrong value type etc.).
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Dlve
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PostPosted: Wed Apr 02, 2014 12:01 pm    Post subject: Reply with quote

Alright, that clears it up. Thank you.
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