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kitesan
Expert Cheater

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Joined: 01 May 2014
Posts: 124

Posted: Sat Jun 07, 2014 10:19 am Post subject: a little information

i want to calculate this: ecx+eax4+000000A0 how does it work? what eax4 means?

justa_dude
Grandmaster Cheater

Reputation: 23

Joined: 29 Jun 2010
Posts: 893

Posted: Sat Jun 07, 2014 11:13 am Post subject: Re: a little information

kitesan wrote:

i want to calculate this:

ecx+eax*4+000000A0

how does it work? what eax*4 means?

It's exactly like basic arithmetic or algebra... you multiply eax by four, then add ecx and a0. As an aside, this kind of construct pops up a lot when you're iterating over an array of pointers or dwords. In such a case, ecx would be the base of the object or array, a0 would be the offset of the first element, and eax would be the index of the element we desire for retrieval.
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kitesan
Expert Cheater

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Joined: 01 May 2014
Posts: 124

Posted: Sat Jun 07, 2014 11:17 am Post subject:

Thank alot.

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