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How to write an exp multiplier?

 
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Ophoster
How do I cheat?
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Joined: 23 May 2018
Posts: 2

PostPosted: Wed May 23, 2018 6:38 am    Post subject: How to write an exp multiplier? Reply with quote

Hello everyone! I'm new here. I've been using cheat engine successfully for a long time, simply modifying the numbers. But now I want to make an exp multiplier for an rpg and have no clue how to do that. It doesn't matter what game it is, but let it be Breath of Fire for gba. I've searched far and wide, but the best I found was

push eax
mov eax,10
imul ebx,eax
pop eax

What the hell do I do with that? The exp address for one of the characters is 0BCE2BAC.

Could anyone please help me?
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TheyCallMeTim13
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Joined: 24 Feb 2017
Posts: 976
Location: Pluto

PostPosted: Wed May 23, 2018 6:45 am    Post subject: Reply with quote

I think you just need to learn some ASM. Try the CE tutorial it goes over code injection, which is what you will need to add a multiplier. But basically you "find what writes to this address", then look for (or add in) a multiplier in the games opcode.

https://wiki.cheatengine.org/index.php?title=Tutorials
https://wiki.cheatengine.org/index.php?title=Tutorials:Cheat_Engine_Tutorial_Guide_x32
https://wiki.cheatengine.org/index.php?title=Tutorial:CodeInjection_Integers
https://wiki.cheatengine.org/index.php?title=Tutorial:CodeInjection_Floats

And this.
Code:
push eax
mov eax,10
imul ebx,eax
pop eax


Could just be written this way.
Code:
imul ebx,10

But this will multiply EBX by 16 (hex 10).

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Ophoster
How do I cheat?
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Joined: 23 May 2018
Posts: 2

PostPosted: Wed May 23, 2018 12:30 pm    Post subject: Reply with quote

Tahnks a lot for the answer, man. I wish you explained it better, but I'll check the tutorial and the links you provided.
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