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Author Topic: Group # (2-Byte) OpCodes  (Read 3233 times)
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sidewinder
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« on: September 29, 2006, 06:49:46 am »

Hey, I was browsing the dissassembly of an EXE today after DL'ing PE Explorer and saw that it doesn't recognize the &H0FC7 2-Byte OpCode.

I subsequently did some digging and, knowing already that 0F means 2-byte, found that C7 points at Group 9.

I had no idea what it was so I did some more digging, and found this... Sandpile - IA-32 OpCodes

Anyways, to give a brief descript of what it is, from what I understand this is another type of Op that requires a MODR/M Byte to tell you whats going on.

The earlier link also gives the significant R/M values for the redirected op's from each group marker.

Take a look please, and if possible, include in the next release.

Shot a lot.

The Sidewinder
TechMan
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« Reply #1 on: September 29, 2006, 01:02:14 pm »

Already included. Check out our next update.

Thanks for pointing that out.

TechMan Robot
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sidewinder
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« Reply #2 on: October 04, 2006, 12:50:02 am »

Hey, Techman

Thanks. When will this release be available to demo cos I am thinking about buying and would like a chance to check it out first to ensure that it's what i am looking for. So far it's good though!!
TechMan
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« Reply #3 on: October 04, 2006, 02:53:38 pm »

I will email you when it's available.

TechMan Robot
Heaventools Software
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