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Memory locations that change constantly - how to?

 
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crispy81
How do I cheat?
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Joined: 09 May 2018
Posts: 7

PostPosted: Thu May 10, 2018 1:56 am    Post subject: Memory locations that change constantly - how to? Reply with quote

folks,

Found Cheat Engine to work in the PS3 emulator RPCS3. I'm playing Resident Evil Revelations 2 on it and can search for ammo memory locations and manipulate those.. Problem is when entering a new area or swapping characters, the memory locations change each time, resulting in having to manually search again.

Is there a way that Cheat Engine can somehow automatically locate these locations and apply the same modification?
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hyuk9
How do I cheat?
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Joined: 08 Sep 2017
Posts: 4

PostPosted: Fri May 11, 2018 10:16 pm    Post subject: Reply with quote

I would set a write breakpoint on a known ammo memory location. When the breakpoint is triggered, look at the code near the instruction pointer, working your way backwards until you see what the memory address is derived from.

The pointerscan tool may be able to find the pointer chain for you.
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crispy81
How do I cheat?
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PostPosted: Fri May 11, 2018 10:28 pm    Post subject: Reply with quote

Appreciate the reply, but have absolutely no idea what you just said. Smile
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hyuk9
How do I cheat?
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PostPosted: Fri May 11, 2018 10:46 pm    Post subject: Reply with quote

Here are some resources that I would recommend: (sorry I can't post links yet)
- Cheat Engine Wiki (Help File:Memory view)
- Cheat Engine 6.4 Tutorial Part 7, 8, 10 on Youtube
- Developing Autonomous Bots for Online Games
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crispy81
How do I cheat?
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Joined: 09 May 2018
Posts: 7

PostPosted: Sat May 12, 2018 1:29 am    Post subject: Reply with quote

The Youtube videos have helped a bit.. Will give them a try.

If I understand it correctly, once I've identified the Base Address, the ammo cheat should apply every time I open the emulator and should remain each time it loads a new area or changes characters.
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