Cheat Engine

[TsTg]

Let's say i have the bytes: 89 7D F4

is there a library or a function in widnows dlls, that returns an assembly string that corresponds to thier command, which is: mov [ebp-0C],edi ??

[Dark Byte]

try Distorm: http://code.google.com/p/distorm/downloads/list

I use it in dbvm myself

[atom0s]

Distorm: https://code.google.com/p/distorm/
ADE32: Google for it, there are a ton of copies of it.
HDE32/64: https://github.com/rndbit/HDetour
BeaEngine: http://www.beaengine.org/

To name a few popular ones.

[TsTg]

Dark Byte and Wiccaan, thanks .