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Index > Macroinstructions > zero

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Azu



Joined: 16 Dec 2008
Posts: 1159
Azu 29 Aug 2009, 04:29
Problem solved Smile thanks guys!


Last edited by Azu on 30 Aug 2009, 11:34; edited 1 time in total
Post 29 Aug 2009, 04:29
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Azu



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Azu 30 Aug 2009, 04:10
Over 50 views and no replies? Crying or Very sad
Post 30 Aug 2009, 04:10
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ass0



Joined: 31 Dec 2008
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ass0 30 Aug 2009, 04:54
i would help you if i would not hate macros xD.

Seriously i hate them, i always go for a procedure.

btw what is the error output? maybe the answer is there Wink
Post 30 Aug 2009, 04:54
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Azu



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Azu 30 Aug 2009, 04:58
"error: invalid expression."
Post 30 Aug 2009, 04:58
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
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revolution 30 Aug 2009, 05:00
or is a binary operation. Try |
Post 30 Aug 2009, 05:00
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ass0



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ass0 30 Aug 2009, 05:05
there is Very Happy, try cutting each else if until it will be a valid expresion, so you can isolate the "invalid part" =D
Post 30 Aug 2009, 05:05
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ass0



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ass0 30 Aug 2009, 05:06
woot revo won me Very Happy
Post 30 Aug 2009, 05:06
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revolution
When all else fails, read the source


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revolution 30 Aug 2009, 05:08
ass0, you are pwned! Laughing
Post 30 Aug 2009, 05:08
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Azu



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Azu 30 Aug 2009, 05:09
Thanks.. but now it says "invalid operand" Confused
Post 30 Aug 2009, 05:09
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 20363
Location: In your JS exploiting you and your system
revolution 30 Aug 2009, 05:12
Code:
if xmm0 eqtype al
 display "WTF!"
end if    
Output ---> "WTF!"
Post 30 Aug 2009, 05:12
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sinsi



Joined: 10 Aug 2007
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sinsi 30 Aug 2009, 05:14
For me, macros=yuk

Memory zeroing can be 3? bytes shorter by using "and [var],0"
Post 30 Aug 2009, 05:14
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Azu



Joined: 16 Dec 2008
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Azu 30 Aug 2009, 05:16
revolution wrote:
Code:
if xmm0 eqtype al
 display "WTF!"
end if    
Output ---> "WTF!"
WTF

How do I tell if something is an xmm register then?


sinsi wrote:
For me, macros=yuk

Memory zeroing can be 3? bytes shorter by using "and [var],0"
Thank you
Post 30 Aug 2009, 05:16
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 20363
Location: In your JS exploiting you and your system
revolution 30 Aug 2009, 05:19
Azu wrote:
How do I tell if something is an xmm register then?
in

Look for "in" in the fasm manual.
Post 30 Aug 2009, 05:19
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ass0



Joined: 31 Dec 2008
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ass0 30 Aug 2009, 05:28
Code:
use64

macro   zero    var{
   if      (var eqtype rax) | (var eqtype eax) | (var eqtype ax) | (var eqtype ah) | (var eqtype al)
           xor var,var
 end if
}

zero    eax
     

this compiles very fine for me.
Post 30 Aug 2009, 05:28
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sinsi



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sinsi 30 Aug 2009, 05:30
>Look for "in" in the fasm manual.

Reminds me of a bash.org quote about googling for 'the who'
"'the' is a common word and has been ignored"
"'who' is a common word and has been ignored"
Post 30 Aug 2009, 05:30
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revolution
When all else fails, read the source


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revolution 30 Aug 2009, 05:36
It is easy to find as long as one does not naively search directly for "in", that would just be nuts.
Post 30 Aug 2009, 05:36
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sinsi



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sinsi 30 Aug 2009, 06:02
539 "in"'s in the pdf. Is there a tutorial specifically for macros?
I usually don't like using them (except in really basic situations) but seeing some of the things they can do I am willing to become a convert...

>that would just be nuts
Yeah, but what else to search for?
Post 30 Aug 2009, 06:02
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
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Location: In your JS exploiting you and your system
revolution 30 Aug 2009, 06:13
Search for "in operator". How many of those are there?
Post 30 Aug 2009, 06:13
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sinsi



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sinsi 30 Aug 2009, 06:25
"in operator" Hah! Of course! (I would never have thought of that).
One of these days I will read the whole pdf, sober too Very Happy
Post 30 Aug 2009, 06:25
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