Emulator Cheats

Memory altering cheats for emulators
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PostPosted: Tue Mar 30, 2010 1:29 am 
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CheatFinder Private

Joined: Mon Mar 29, 2010 7:54 pm
Posts: 2
Hi
I'm brazilian and my english is not good.

I need the following cheat for Cadillacs and Dinosaurs game:

Always have the shotgun
- There's a cheat for unlimited ammo, and it works very well, but when you are punched, the weapon falls and you lose it. I need the cheat to never lose the shotgun, always have it in hand. Can someone help me, please?

Thanks.


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PostPosted: Tue Mar 30, 2010 5:43 am 
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CheatFinder Staff Sergeant
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Joined: Sun Sep 09, 2007 9:06 pm
Posts: 326
Location: Brazil
Hi,
Finally after a long time, one brazilian in this forum. XD

Really would nice have this cheat but unfortunatly is very difficult find. I have been a good time waiting weapon select cheat in this game.

Welcome!

Translation to portuguese
Oi,
Finalmente depois de muito tempo, um brasileiro aparece nesse forum (eu tbm sou). XD

Realmente seria uma boa conseguir esse cheat mas pelo jeito é muito dificil descobrir. Eu estou esperando já tem um tempão alguém conseguir um código para selecionar e sempre conseguir uma arma a qualquer momento nesse jogo mas até agora nada. Vamos esperar.

Bem vindo aí cara!


Last edited by CLE on Tue Mar 30, 2010 9:22 pm, edited 1 time in total.

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PostPosted: Tue Mar 30, 2010 2:15 pm 
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CheatFinder Private

Joined: Mon Mar 29, 2010 7:54 pm
Posts: 2
Thanks CLE
Waiting for cheat...

I think is a possible cheat. Some games have this cheat option. On "Simpsons" and "Metal Slug" games, you can choose your weapon.
Is needed bring the cheats to Cadillacs.


-Portuguese-

Valeu CLE. Vamos esperar pelo cheat. Acho que é possível este cheat. Alguns jogos tem esta opção, como "Os Simpsons" e "Metal Slug". Neste jogos, você pode escolher com qual arma quer jogar, e ainda por cima, fica sempre com ela em punho.
É preciso adaptar estes cheats para o Cadillacs.


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PostPosted: Sat Apr 03, 2010 12:55 pm 
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CheatFinder General
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Joined: Fri Aug 17, 2001 12:59 am
Posts: 2795
Location: North Wales, UK.
CLE is correct, this cheat is not an easy cheat to find/make. There has been some discussion on it in the past and the fact it exists for other games has no relevance I'm afraid they exist for the other games as they were easy and quick to find. Possible and feasible are two different things. It would likely require a lot of work and ROM codes, I know I couldn't get it to work with RAM cheats alone.

Only thing you can do is to use the Invincibility cheat and that way you can never lose the shotgun once you've picked it up.

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Pugsy

Servicing your cheating needs since 1985 ;-)

Grab the latest cheat files:
MAME 0.155 XML cheat collection 15 OCTOBER 2014) from http://www.mamecheat.co.uk or direct from:-
http://www.mediafire.com/download/38hic ... at0155.zip (ZIP Archive 801 KB)


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PostPosted: Sun Apr 04, 2010 8:00 am 
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CheatFinder Lieutenant
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Joined: Wed Feb 18, 2009 7:09 am
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Location: MO, USA
Just throwing this out because I'm not interested in doing it myself, but weapons in beat em ups can be done in a very complicated manner where the game keeps track of the actual weapon you are holding independent of you.

As an example, here's the bare minimum amount of code to handle weapons in Streets of Rage 3. It doesn't account for wrong graphics.
Code:
   <cheat desc="Weapon Select P1"> <comment>Graphics WILL be glitchy</comment>
      <parameter>
         <item value="0x58">Knife</item>
         <item value="0x5A">Lead Pipe</item>
         <item value="0x5C">Sword</item>
         <item value="0x5E">Kunai</item>
         <item value="0x60">Grenade</item>
         <item value="0x62">Bat</item>
         <item value="0x64">Plank</item>
      </parameter>
      <script state="run">
         <action>maincpu.pb@FFDF5B=01</action>   <!-- Holding Weapon   -->
         <action>maincpu.pw@FFDF70=E700</action>   <!-- Location of it   -->
         <action>maincpu.pb@FFDF75=param</action>   <!-- Weapon Type Held   -->
         <action>maincpu.pb@FFE70D=param</action>   <!-- Weapon Type      -->
         <action>maincpu.pb@FFE75B=81</action>   <!-- Is being held   -->
      </script>
   </cheat>


The chunk from FFDF00-FFDFFF is player 1. The chunk from FFE700-FFE77F is a weapon. You have to tell the player that he's holding a weapon, match him up with a weapon, define the minimum amount of traits for the weapons, and then tell the weapon that it's being held.

Cadillacs and Dinosaurs is probably very similar but much more involved. The real key will be finding if there is a portion of the player code where it stores the relative location of what weapon the player is holding. If you can make that connection, the rest is easier. Not easy -- easier.

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Aww yeah. AMD 5800K givin' MAME and MESS systems what for.


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