Cheat Engine

MooMooCow · Newbie cheater Reputation: 0 Joined: 07 Jun 2007 Posts: 21

I'm not sure if this belongs here, but I was wondering if anyone could tell me, or point me in the right direction, how to convert hex to asm? This is basically what I am trying to do:

746Bh ----> je short 0x0068E1A8

How does 746Bh compute to je short 0x0068E1A8? Any help would be greatly appreciated.

assaf84 · Posted: Thu Jun 07, 2007 5:27 am Post subject:

0x74 is, i guess, the binary code of JE to a near address, and 0x6b is the distance from the original address (im not sure). A long pointer is 4 bytes, so it should be about 5 bytes the whole opcode, so if its only 2 I guess its for a close address.

Noz3001 · Posted: Thu Jun 07, 2007 7:40 am Post subject:

--Pillboi-- · Posted: Thu Jun 07, 2007 9:43 am Post subject:

What they said... and the h at the end means hex. Wink

MooMooCow · Newbie cheater Reputation: 0 Joined: 07 Jun 2007 Posts: 21

Thanks for your replies so far. Is there any documentary that explains this in detail, or any kind of function in C++ that will convert hex to asm?

DeltaFlyer · Posted: Thu Jun 07, 2007 4:22 pm Post subject:

The Intel's Architecture Software Developer's Manual describes this in great detail. You can obtain a copy of it directly from Intel's website:
http://developer.intel.com/design/pentium/manuals/243191.htm

Look for the opcode reference section. It gives you the hex values of each usage of the command. Read the whole chapter 3 if you wish to fully understand their writing.

If you just want to convert hex to opcodes, you could probably get some info out of the source of CE's assembler.