CDI Emulator 0.5.3 Beta 3 Complete Crack

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CDI Emulator 0.5.3 Beta 3 Complete Crack

Post by Tgames »

Automatically translated from French.

Code: Select all

CDI Emulator 0.5.3 Beta 3 "Patched Full Version - V1.2"

14/04/2017 - Nouvelle version du patch en 1.2 Beta

Notes :

- Limitation de fonctionnement jusqu'au 01/01/2012 supprimée.
- Limitation des 3 minutes supprimée

La suppression des 3 minutes en un premier jet et en beta test.
Testé et fonctionnel sur tous les bios Philips CDI.

Attention : Mon crack rend non fonctionnel le "debug mode" de l'émulateur.
Car c'est mon point d'entrée pour contre carrer la routine de blocage.
Je ferai quelque chose de plus propre dans une prochaine version du patch.
Merci de me faire des retours de tests afin de savoir si tout fonctionne bien !

- Tgames 2017
As promised, here is my first "beta" patch that unblocker completely the emulator from its blockages.

As specified it's a first draft, please report any potential bugs or issues depending on the BIOS used or game used (in comparison to the original blocked version of course -_- )

I will look to make the "debug" mode functional again which serves me as a vulnerability point to break the author's verification routines.

Let me explain, it has 2 blockages for the 3 mins:

- The nag screen
- An emulation freeze if a "Mono I" component is not found in the BIOS.

Now there are many places where this is verified during emulation. You can feel the will to prevent the emulator from being hacked.
In order to save time (and I thank shu for giving me the lead), I modified certain routines to make the emulator believe it found a "CCdiClock Mono-I".
I make it believe at every frame (which is not optimal I admit). Which completely breaks the debug mode.
But for an average user it doesn't affect the use at all for playing only his games.

I will do something cleaner in a future version ;).

Patch Version 1.2 for 0.5.3 Beta 3:
This content is for members only. Log in or register for free to see it.
Sincerely.
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LuigiBlood
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Re: CDI Emulator 0.5.3 Beta 3 Complete Crack

Post by LuigiBlood »

Automatically translated from French.

I signed up just to say the crack isn't as complete as that.

Saving the NVRAM is impossible. It always thinks the emulator is the limited version.
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Re: CDI Emulator 0.5.3 Beta 3 Complete Crack

Post by Tgames »

Automatically translated from French.

Good evening LuigiBlood, sorry for the late reply.

So regarding the NVRAM the code isn't implemented in version 0.5.3 Beta 3.
So there's no mechanism to hack to enable it since the author deliberately removed this part of the source code before compiling the program.

During my reverse engineering on the emulator I noticed it was absent (the conditional jump is present but the function is empty (no save instructions apart from a limitation message indeed)).

The only way would be for someone to re-implement the feature (drawing inspiration from the assembly code of the 0.5.2 Full), but in assembly it would be very very long (a lot of address offsets to change...) and not sure it would be stable in the end (so maybe a huge job for nothing).
The simplest way would have been to access the program's sources and there no problem adding that in a few minutes.
But of course that's impossible.

If anyone is interested I can extract the function blocks that do the saving from 0.5.2 but I won't be handling their implementation on 0.5.3 Beta 1,2,3 because it's too tedious...

Regards.
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Re: CDI Emulator 0.5.3 Beta 3 Complete Crack

Post by BergerH »

Automatically translated from French.

Hello, is it possible to make a crack/patch forn the CDI Emulator 0.5.3 Beta 4?
https://www.cdiemu.org/download/cdiemu-0.5.3-beta4.zip

Thanks in advance.

Kind Regards,

BergerH
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Re: CDI Emulator 0.5.3 Beta 3 Complete Crack

Post by Tgames »

Automatically translated from French.

Hi BergerH ;)

No problem i will work on this version.

If no new countermeasures have been implemented it will be easy to hack.

Best Regards.


EDIT: It's cracked now progs-pc/cdi-emulator-0-5-3-beta-4-crac ... 12136.html ;)
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Location: France

Re: CDI Emulator 0.5.3 Beta 3 Complete Crack

Post by Tgames »

Automatically translated from French.

LuigiBlood wrote:I signed up just to say the crack isn't as complete as that.

Saving the NVRAM is impossible. It always thinks the emulator is the limited version.
Saving the NVRAM is now POSSIBLE on beta 4!
So you can save/load your save files without any issue.
Something impossible on Beta 3, 2 and 1 the author had deliberately removed the code allowing it.

progs-pc/cdi-emulator-0-5-3-beta-4-crac ... 12136.html
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