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Found AC Syndicate Timestop, can't get CE to run the asm :(

 
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OtisInf
Cheater
Reputation: 0

Joined: 22 Sep 2015
Posts: 25
Location: The Netherlands

PostPosted: Sun Mar 27, 2016 6:24 am    Post subject: Found AC Syndicate Timestop, can't get CE to run the asm :( Reply with quote

Hi,

In AC Syndicate, I found the timestop, to freeze the game. This is a single byte on a memory location which is accessed through a pointer. I want to write a 1 there to enable timestop (and then press ESC to activate it, it basically switches off the menu being shown. Camera's work, rest doesnt Smile See for details: gist.github(.)com/FransBouma/cb367f4a932dd3202a0d), and 0 to disable timestop.

I wrote this script:
Code:
[ENABLE]
push EAX
mov EAX,[ACS.exe+70C2A08]  // pointer to actual location of value buffers
mov byte ptr [EAX+000002F8],01  // offset in valuebuffer for timestop
pop EAX

[DISABLE]
push EAX
mov EAX,[ACS.exe+70C2A08]
mov byte ptr [EAX+000002F8],00
pop EAX


but it doesn't work: CE won't enable it/disable it and therefore it won't work. I added it to a cheat table, saved it as a CT, and load it after I bind CE to the ACS.exe process. I can edit it properly, clicking OK doesn't give any errors, but enabling/disabling won't work at all (and it doesn't have any effect on the memory location as well, so it doesn't run).

What am I doing wrong? AC Syndicate doesn't allow code overwriting, so I can't write any asm to the exe process' code as that will immediately crash the game.

My thought was that a hotkey press (e.g. F7), would run the [enable] block, effectively enabling my cheat, but apparently something's off. Can someone shed a light on this? Is there a way to get some info regarding why things don't work, e.g. logging/debug of scripts?

TIA!


Last edited by OtisInf on Sun Mar 27, 2016 6:59 am; edited 1 time in total
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Cake-san
Grandmaster Cheater
Reputation: 8

Joined: 18 Dec 2014
Posts: 541
Location: Semenanjung

PostPosted: Sun Mar 27, 2016 6:58 am    Post subject: Reply with quote

Code:

[ENABLE]
[ACS.exe+70C2A08]+2F8:
db 01
[DISABLE]
[ACS.exe+70C2A08]+2F8:
db 0

or
Code:

[ENABLE]
alloc(newmem,30)
createthread(newmem)
label(_end)
registersymbol(_end)

newmem:
push EAX
mov EAX,[ACS.exe+70C2A08]  // pointer to actual location of value buffers
mov byte ptr [EAX+000002F8],01  // offset in valuebuffer for timestop
pop EAX
push #1000
call sleep
cmp [_end],01
jne newmem
ret

_end:
dd 0
[DISABLE]
_end:
dd 01
unregistersymbol(_end)

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OtisInf
Cheater
Reputation: 0

Joined: 22 Sep 2015
Posts: 25
Location: The Netherlands

PostPosted: Sun Mar 27, 2016 7:03 am    Post subject: Reply with quote

Cake-san wrote:
Code:

[ENABLE]
[ACS.exe+70C2A08]+2F8:
db 01
[DISABLE]
[ACS.exe+70C2A08]+2F8:
db 0

or
Code:

[ENABLE]
alloc(newmem,30)
createthread(newmem)
label(_end)
registersymbol(_end)

newmem:
push EAX
mov EAX,[ACS.exe+70C2A08]  // pointer to actual location of value buffers
mov byte ptr [EAX+000002F8],01  // offset in valuebuffer for timestop
pop EAX
push #1000
call sleep
cmp [_end],01
jne newmem
ret

_end:
dd 0
[DISABLE]
_end:
dd 01
unregistersymbol(_end)


Marvellous! Works like a charm! Very Happy

The first one works. The second one doesn't disable it. Will see if I can fix that. I want to use the second one to inject a keypress too (for ESC)
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