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novice at assembler what am i doing wrong?

 
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Spawnova
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PostPosted: Sat May 04, 2013 5:42 pm    Post subject: novice at assembler what am i doing wrong? Reply with quote
I'm trying to make it so if hp is lower then 36 raise it back to 36

I'm doing this for training purposes otherwise I would use nop

Here's what I got so far

Code:
[ENABLE]

alloc(newmem,2048) //2kb should be enough
label(returnhere)
label(originalcode)
label(mytest)
label(exit)

newmem: //this is allocated memory, you have read,write,execute access
//place your code here
cmp [00E74C24],36  //compare value at adress to 36
jl mytest //if lower then goto test
jmp exit //else exit

originalcode:
{and al,00
add [eax],al
add [eax],al}

mytest:
mov [00E74C24],36 //making value at adress 36?

exit:
jmp returnhere


"DeSmuME.exe"+A74C24:
jmp newmem
nop
returnhere:


[DISABLE]
DeSmuME.exe+A74C24:
and al,00 
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mgr.inz.Player
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PostPosted: Sat May 04, 2013 5:54 pm    Post subject: Reply with quote
You probably hooked piece of code that is never executed

(judging by original code: and al,00 ; add [eax],al ; add [eax],al )
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daspamer
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PostPosted: Sat May 04, 2013 5:59 pm    Post subject: Reply with quote
Also use #36 instead of 36, because without # the number is used as hex and not decimal.
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Spawnova
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Joined: 12 Feb 2013
Posts: 22
PostPosted: Sat May 04, 2013 6:03 pm    Post subject: Reply with quote
I went to the address with static offset for player health in the memory viewer is that not correct?

also If i disable script it sets health to maxhealth

*edit I've done another search this time for all and found 3 offsets all of which are static and lead to same opcodes

thanks flash I thought that was the case but wasnt sure

Last edited by Spawnova on Sat May 04, 2013 6:16 pm; edited 1 time in total
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mgr.inz.Player
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PostPosted: Sat May 04, 2013 6:13 pm    Post subject: Reply with quote
Now I see it:
00E74C24 = "DeSmuME.exe"+A74C24


Obviously, you are doing it wrong. And of course that 36 thing.
You should use
mov [00E74C24],(int)36
or
mov [00E74C24],#36

Do "what access" on your health address. You should get bunch of opcodes. Try first one, do code injection there (AA script).


But first, do some tutorials:
http://forum.cheatengine.org/viewtopic.php?t=542093
http://forum.cheatengine.org/viewtopic.php?t=558610
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