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Help me - Opcode

 
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Klein~
How do I cheat?
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Joined: 01 Aug 2012
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PostPosted: Wed Aug 01, 2012 11:03 pm    Post subject: Help me - Opcode Reply with quote

Please:

What are really opcodes?

Example: mov esi,ebx

Is "mov" means to attribute ebx on esi, in other words ebx = esi?

Are ebx and esi any kind of variable or adress?

Thank you very much.

p.s.: please, don't link me to a big text except it has what I need to know >.< I'm very lazy. ;(

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Dark Byte
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PostPosted: Thu Aug 02, 2012 5:38 am    Post subject: Reply with quote

ebx and esi are cpu variables. They are 32-bit(4 bytes) long

mov esi,ebx means to place the value of ebx into esi

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Klein~
How do I cheat?
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Joined: 01 Aug 2012
Posts: 7

PostPosted: Fri Aug 03, 2012 4:52 pm    Post subject: Reply with quote

Dark Byte wrote:
ebx and esi are cpu variables. They are 32-bit(4 bytes) long

mov esi,ebx means to place the value of ebx into esi


Thanks. I would like to increase more questions.

As I stated I'm not a programmer. In any process, can I find a address with the value of this variable?
Well, I mean... If it's a CPU variable there must be a address to load the value of this variable on any process.

I'm having some trouble while searching for existing values, I never saw this b4 too. A example of it is that some values I search as 4 bytes and none address is found, but if I convert into array of bytes and search again I can find the address. What about it?

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