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[H] Float Precision conversion

 
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r4dbrnu
How do I cheat?
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Joined: 14 Feb 2009
Posts: 8
PostPosted: Fri May 01, 2015 10:24 am    Post subject: [H] Float Precision conversion Reply with quote
Hey guys,
Recently I'm trying to convert some Scalar single fp with no sucess.
Code:
Darkest.exe+52F403 - F3 0F10 46 24         - movss xmm0,[esi+24]
Darkest.exe+52F408 - 0F57 C9               - xorps xmm1,xmm1
Darkest.exe+52F40B - E9 F00B4406           - jmp 07A20000
Darkest.exe+52F410 - 0F2F C8               - comiss xmm1,xmm0
Darkest.exe+52F413 - F3 0F11 46 24         - movss [esi+24],xmm0


I would like to set the xmm0 equal to 10.0, but i don't know how to do and theren't tutorials explaining how to do that.
The only thing i can do is to add and subtract the xmm0 with itself.
Sorry for my english!
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BanCheese
Cheater
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Joined: 22 Oct 2014
Posts: 49
PostPosted: Fri May 01, 2015 10:43 am    Post subject: Reply with quote
You can use CVTSI2SS, which stands for Convert Doubleword Integer to Scalar Single- Precision Floating-Point Value. You can use it like this:
Code:
mov eax, 10
cvtsi2ss xmm0, eax


This is one of my favorite sites for looking up things like this: http://x86.renejeschke.de/
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A guy who likes memory hacking.
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r4dbrnu
How do I cheat?
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Joined: 14 Feb 2009
Posts: 8
PostPosted: Fri May 01, 2015 11:02 am    Post subject: Reply with quote
It worked!
Thanks a lot!!!
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