Cheat Engine

[mStorm]

So I want to add a small decimal to xmm0, I know i'd use:

addss xmm0,xmm4

but how do I set a small decimal value into xmm4?

Been browsing the web and can't come up with it.

[Recifense]

Hi mStorm,

I see 2 ways you can do that. In both, you have to create a variable where you will store the value to be added:

1) Creating a variable in CEA:

VarName:
dd <float value in hex>

Exemple:
fValue:
dd 3dcccccd // ~ 0.1

2) You can add directly form the variable:

addss xmm0,[VarName]

3) You can move the variable to xmm4 and add it to xmm0:

movss xmm4,[VarName]
addss amm0,xmm4

The steps above are for Single--Precision Floating-Point Values.

I hope I have helped.

Cheers.

[mStorm]

I want to be able to do it modifying the code in the game without injecting using cheat engine.

I'm writing it in a c++ injected dll, so I need to know how to do it without CheatEngine.

What exactly does CheatEngine do to create a float variable?

[Recifense]

Hi mStorm,

Just remember that you can use inline in assembly inside C program.

I believe CE just change the way it sees the value in memory (by using casting or sometihing alike). But DB can give you a better explanation in how it can be done in Pascal (and maybe it can be applied to C).

Cheers!