Cheat Engine

[Glest]

Yeah, I think it is... It is totaly impossible to create a program from scratch. But you'de have to be stupid doing that in assembler.

For editing commands that change value's it's rather easy. Ofcource, having a C++ representation would be easier, but it's not hard to get the stuff you need for making trainers.

[pyorokun]

Assembly is hard; not the hardest thing in concept, but one of the hardest to do anyhting big in. Simply because you have to tell the processor everything to do (with the exception of instruction ordering, it does that by itself, but thats not important).

That said, you can mimic the code changeing/injection that you get with assembly in C++. All you need to do is overwrite specific values in the code section of the memory. And of course do so carefuly. The key is that all instructions (the assembly code, produced by hand or by a compiler) are treated as data until they are loaded into the CPU (thankyou Von' Neuman).

You will still need to learn Assembly to make sense of the instructions you are seeing, if you want to tweak with how the program performs as opposed ot just tweaking the data.