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What is EAX . EDX , ESP etc. in Cheat Engine ?

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  • What is EAX . EDX , ESP etc. in Cheat Engine ?

    OS: Windows XP
    Tools : Cheat Engine
    Game: Twisted Metal 2 PC

    Hi there, I got the following stuffs but don't know what to do with them. Please help me or at least let me know some tutorials so that I can try to figure out them.


    Code:
    004AE40F - 8B 2D 0447C800  - mov ebp,[TM2.EXE+884704]
    004AE415 - 89 15 C846C800  - mov [TM2.EXE+8846C8],edx
    004AE41B - 89 15 6846C800  - mov [TM2.EXE+884668],edx <<
    004AE421 - 89 15 6C46C800  - mov [TM2.EXE+88466C],edx
    004AE427 - 85 ED  - test ebp,ebp
    
    EAX=00001120
    EBX=000003A0
    ECX=004FAA3C
    EDX=11201120
    ESI=000003E8
    EDI=000183FA
    ESP=0007F478
    EBP=000000FF
    EIP=004AE421
    Code:
    004C6286 - 50 - push eax
    004C6287 - 83 EC 0C - sub esp,0C
    004C628A - 0F6F 3D 6846C800  - movq mm7,[TM2.EXE+884668] <<
    004C6291 - 0FEF F6  - pxor mm6,mm6
    004C6294 - 0F7E FB  - movd ebx,mm7
    
    EAX=00BF0C90
    EBX=00000009
    ECX=00000008
    EDX=000002AC
    ESI=00000046
    EDI=FFFFFFFF
    ESP=0007F428
    EBP=00C3F5E0
    EIP=004C6291
    Code:
    004ADD9E - 8B 44 24 60  - mov eax,[esp+60]
    004ADDA2 - 89 15 C846C800  - mov [TM2.EXE+8846C8],edx
    004ADDA8 - 89 15 6846C800  - mov [TM2.EXE+884668],edx <<
    004ADDAE - 83 C0 08 - add eax,08
    004ADDB1 - 89 15 6C46C800  - mov [TM2.EXE+88466C],edx
    
    EAX=0052D164
    EBX=000003E8
    ECX=0052D164
    EDX=18811881
    ESI=00000000
    EDI=00BE5F50
    ESP=0007F52C
    EBP=00000000
    EIP=004ADDAE

  • #2
    EAX, EDX and ESP are registers in x86 ASM. I think esp is the stack pointer (r13 in ARM). Unfortunately, I never worked with x86 ASM so hopefully someone else can elaborate a little more.

    Edit: I thought Cheat Engine has built-in tutorials. If so, you should learn from them.
    I only bother with things that interest me.

    Comment


    • #3
      @Demonic

      I learned simple but cool game hacking here and I expect you guys to help me. I already viewed the tutorials of Cheat Engine but none of them explains how to find the codes out of the excerpts I posted. I need to change the values and play with it but I don't know how to change the values. I think I need ASM tutorials for game hacking.

      Edited : Ok, I have found the tutorial I was looking for. thanks.
      Last edited by TiffanyHex; 11-17-2013, 10:24:37 PM.

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