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Stacktrace
Expert Cheater
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Joined: 04 Jul 2015
Posts: 105
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 Posted: Sat May 14, 2016 8:02 am Post subject: hgsdgsdgsdgsdg |
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hsgsdgsdgds
Last edited by Stacktrace on Thu May 19, 2016 12:30 pm; edited 1 time in total |
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ParkourPenguin
I post too much
 Reputation: 152
Joined: 06 Jul 2014
Posts: 4702
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| Posted: Sat May 14, 2016 9:00 am Post subject: |
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That's called an instruction. mov is an operation to be performed, and the other two things (separated by the comma) are the operands- stuff the mov needs in order to do what it's suppose to do.
ax is a register- the lower word of the eax register:
| Code: | XXXXXXXX - eax (dword)
XXXX - ax (word)
XX - ah (byte)
XX - al (byte) |
[06F0CFDA] is a memory location.
All of them together more or less translates to this: "move the word value at the address 06F0CFDA into the ax register".
Flags are a completely different thing. Physically, they're just some bits in the EFLAGS register. They are automatically set by some instructions (e.g. cmp, test, and, or, add, sub, mul, etc.), used by other instructions (e.g. jcc, cmovcc, setcc), and also used in other circumstances you don't notice (IOPL, DF, IF).
The ZF is set when the result of an arithmetic operation is 0. For example, if you have test eax,eax (basically and eax,eax w/o writing to eax), the ZF will be set if eax == 0. Look on wikipedia or anywhere else for information on the other flags (i.e. CF, SF, OF, PF).
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Dr.Disrespect
Grandmaster Cheater
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Joined: 17 Feb 2016
Posts: 526
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| Posted: Sat May 14, 2016 12:08 pm Post subject: |
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| This instruction moves the value in a memory address, in this case [06F0CFDA], to the eax register.Because ax is being used, the value should be a word.
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