Cheat Engine

[skyw4rrior]

Plzzzzz!!! Anyone knows how can i do (in delphi), to modify the assembly code at an address of the game that im attaching? I want to modify a register (CL to DL) at that address, but dont have any idea in doing it!

[bitterbanana]

You're creating a lot of threads. I answered the one about the assembly in your previous thread: http://forum.cheatengine.org/viewtopic.php?t=3344

[skyw4rrior]

[Dark Byte]

check the buffer you are writing from and the place you are writing too.
perhaps the buffer you use is too small (and at the and of a page so the rest can't be read) or the target you're writing too just isn't big enough (end of page, yadayadayada)

and use virtualprotectex to make the memory writable

[bitterbanana]

well try reading some tutorials. I know you may need some help from experienced persons, but read first, ask later.

This is a comprehensive tutorial site that I like.
http://pc.nanobot2k.org/?action=articles

I think you're getting ahead of yourself by trying to make your own debugger. Try to understand the concepts of game hacking first.

[skyw4rrior]