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How to find out what writes to this address

 
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ColdFury
How do I cheat?
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PostPosted: Sun Jul 12, 2015 6:52 pm    Post subject: How to find out what writes to this address Reply with quote

Without being able to change the address
(like the game wont change the address ever)
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Rydian
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PostPosted: Sun Jul 12, 2015 7:06 pm    Post subject: Reply with quote

If the address won't change, then trying to find what changes it to hook won't work because there's nothing to hook.

You could go for what reads and then fake the read instead of changing the write (or add in a write before the read or whatever)?

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ColdFury
How do I cheat?
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PostPosted: Sun Jul 12, 2015 7:10 pm    Post subject: Reply with quote

Rydian wrote:
If the address won't change, then trying to find what changes it to hook won't work because there's nothing to hook.

You could go for what reads and then fake the read instead of changing the write (or add in a write before the read or whatever)?


How do i do all that ?
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Rydian
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PostPosted: Sun Jul 12, 2015 7:18 pm    Post subject: Reply with quote

Well, what are you trying to do in the first place?
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ColdFury
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PostPosted: Sun Jul 12, 2015 7:45 pm    Post subject: Reply with quote

Rydian wrote:
Well, what are you trying to do in the first place?

i want to find the base address / i want the value to stay after i close the game
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Rydian
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PostPosted: Sun Jul 12, 2015 10:11 pm    Post subject: Reply with quote

My personal advice is to not bother following those old pointer methods, they're limited and in many cases not even applicable.

This guide shows you how to use the pointer scanner and other methods.
http://forum.cheatengine.org/viewtopic.php?t=572465

Or you can just use code injection.
http://forum.cheatengine.org/viewtopic.php?t=570083

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ColdFury
How do I cheat?
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PostPosted: Mon Jul 13, 2015 12:49 am    Post subject: Reply with quote

Rydian wrote:
My personal advice is to not bother following those old pointer methods, they're limited and in many cases not even applicable.

This guide shows you how to use the pointer scanner and other methods.
viewtopic.php?t=572465

Or you can just use code injection.
viewtopic.php?t=570083


but that's the problem i can't use "Find What Writes To This Address"
nothing effects the value.
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gameplayer
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PostPosted: Mon Jul 13, 2015 1:03 am    Post subject: Reply with quote

Quote:
but that's the problem i can't use "Find What Writes To This Address"
nothing effects the value.

If nothing effects the value, I wonder what you want to do with it.
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Rydian
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PostPosted: Mon Jul 13, 2015 1:50 am    Post subject: Reply with quote

Find what reads will get reads as well and will show the offset if it's in a structure and getting referenced like that, and can be faked with that.

And you can use the pointer scanner without knowing anything but one example address anyways.

But yeah what are you trying to do?

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ColdFury
How do I cheat?
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PostPosted: Tue Jul 14, 2015 1:18 am    Post subject: Reply with quote

Rydian wrote:
Find what reads will get reads as well and will show the offset if it's in a structure and getting referenced like that, and can be faked with that.

And you can use the pointer scanner without knowing anything but one example address anyways.

But yeah what are you trying to do?

im only trying to change a droprate
which remains constant all game.
So how do i do all that? I don't know any advanced stuff.
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hydris
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PostPosted: Tue Jul 14, 2015 10:44 pm    Post subject: Reply with quote

That might be tough, and you probably are in for a lot of reading disassembled instructions.

I tampered with a value that doesn't change before, or there being a very limited amount of times I can scan (e.g disabling cutscenes in a game, can only scan for a difference once, and a single byte will turn up a lot of results).
So the process there was get the starting address of an object, initiate the event, and see the instructions that access that address.

So for your case, you probably (and I say probably because games will be structured very differently) want to find the address of the enemy, then see what instructions access that address when you kill it. Likely you will have to dig through a lot of results (i.e stuff related to experience gain, quest kill counter, etc).
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