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Game Trainers and Cheats


SainT

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The LynxGD has a built in game trainer / cheat system. When you load any game, the ROM is checked against a database of cheats. If there are any cheats / trainer options available for the game, they will be displayed in a menu allowing you to turn them on or off before playing the game.

 

If you would like to see any specific cheats / trainer options for games which currently do not have them, please feel free to post a request in this thread and I'll see what I can do.

 

The current list of cheats / trainer options as of Firmware 1.03.

 

Batman Returns, Infinite Energy
Switchblade 2, Infinite Lives, Infinite Energy
Super Skweek, Infinite Time
Ninja Gaiden 3, Infinite Time, Infinite Energy, One Hit Boss Kill
Ninja Gaiden, Infinite Time, Infinite Energy
Bubble Trouble, Infinite Energy
Desert Strike, Infinite Energy
Gauntlet, Infinite Energy
Klax, Infinite Misses
Pac Land, Infinite Time, Infinite Lives
Hard Drivin', Infinite Time
Raiden, Infinite Lives, Infinite Bombs
Paper Boy, Infinite Lives
Steel Talons, Infinite Energy
Turbo Sub, Infinite Lives, Infinite Mines
Rampage, Infinite Energy
Shadow of the Beast, Infinite Energy

Edited by SainT
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18 hours ago, davidcalgary29 said:

Please consider the code for the hidden game of Galaxian in Lexis and the one for the hidden game in Lynx Reloaded.

 

It'd be great to also see the Battlezone 2000 mode be given a menu option.

As there is a released ROM version of Battlezone 2000 which directly  starts the easter egg, this might not be necessary.

you find it somewhere in the forum here

 

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16 minutes ago, sage said:

without knowledge on how you do the patching and without a cartridge, unlikely. But you can PM me if you have details.

Simply which bytes are patched in the cartridge, I’ll fix the header to be non-checksumming. :)

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I've been recently looking at making new Lynx cheats for my cheat collection

 

I think with Ninja Gaiden, Infinite Energy might not be enough as you there are other ways of dieing. So you will need to stop RAM address 4F14 decrementing for Infinite Lives ideally.

 

Not sure if you can use these for Ninja Gaiden, they are program code changes (not sure of the actual cart address - these are the program counter addresses):

c973 ea & c974 04 Invincibility

ea77 80 Hit Anywhere

Edited by Pugsy
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11 hours ago, Pugsy said:

I've been recently looking at making new Lynx cheats for my cheat collection

 

I think with Ninja Gaiden, Infinite Energy might not be enough as you there are other ways of dieing. So you will need to stop RAM address 4F14 decrementing for Infinite Lives ideally.

 

Not sure if you can use these for Ninja Gaiden, they are program code changes (not sure of the actual cart address - these are the program counter addresses):

c973 ea & c974 04 Invincibility

ea77 80 Hit Anywhere

 

Nice! I'll add these in. :D

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  • 3 months later...
  • 1 month later...

Infinite lives in Toki would be awesome.  Also, if there is a way to do infinite time and infinite energy in Kung Food that game may become beatable. I can never get through all the enemies without running out of time in that game.

I found these cheats from gamehacking.org if that helps:

Toki: https://gamehacking.org/game/69399

Kung Food: https://gamehacking.org/game/69363

Edited by mistermorcus
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On 6/21/2020 at 7:31 AM, sage said:

As there is a released ROM version of Battlezone 2000 which directly  starts the easter egg, this might not be necessary.

you find it somewhere in the forum here

 

I have been searching for this rom and all I can find is one on ROmhacking that comes up a .ips not a .lnx format. DO you know how to do the conversion to .lnx or know where that version of the rom can be found that has the cheat enabled?

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13 hours ago, UHATEIT said:

I have been searching for this rom and all I can find is one on ROmhacking that comes up a .ips not a .lnx format. DO you know how to do the conversion to .lnx or know where that version of the rom can be found that has the cheat enabled?

I have no idea what ips is nor do i want to use it.

Maybe I decided that its a bad idea to post the rom and deleted it. i dont remember. it was years ago.

 

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  • 4 months later...
  • 11 months later...

I would love to have 1 of two things: (i'd even pay money for this)

 

1. The ability to enter your own codes manually.

 

-or-

 

2. Have these cheats added for Lemmings that I found.

 

Codes created using: mednafen-1.29.0-win64

Memory adress:  Affect:
$000000ca       Infinite bashers
$000000cb       Infinite Minners
$000000cc       Infinite Diggers
$000000c5       Infinite Climbers
$000000c6       Infinite Floaters
$000000c7       Infinite Bombers
$000000c8       Infinite Blockers
$000000c9       Infinite Builders

value of 0a for each adress

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  • 3 weeks later...
On 3/9/2022 at 6:20 PM, mikewilkinson said:

I would love to have 1 of two things: (i'd even pay money for this)

 

1. The ability to enter your own codes manually.

 

-or-

 

2. Have these cheats added for Lemmings that I found.

 

Codes created using: mednafen-1.29.0-win64

Memory adress:  Affect:
$000000ca       Infinite bashers
$000000cb       Infinite Minners
$000000cc       Infinite Diggers
$000000c5       Infinite Climbers
$000000c6       Infinite Floaters
$000000c7       Infinite Bombers
$000000c8       Infinite Blockers
$000000c9       Infinite Builders

value of 0a for each adress

I read only now you would have pay money for it. ?

 

I hope you'll enjoy your patched rom. I don't think it's so funny using infinite tools, but it was funny for me applying this simple patch and finding a way to pass the code hash check in the stage 1 loader. 

 

 

 

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That’s basically all of the ‘easy’ ones which I could find. If anyone else wants to contribute any ROM hacks, I can add them, but I don’t have a lot of time to be working on finding cheats unfortunately. :(
 

And any hacks need to be *ROM* hacks, not memory. The ones listed above are memory hacks which are not possible on the Lynx.

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  • 2 weeks later...
On 3/7/2024 at 2:02 PM, SainT said:

That’s basically all of the ‘easy’ ones which I could find. If anyone else wants to contribute any ROM hacks, I can add them, but I don’t have a lot of time to be working on finding cheats unfortunately. :(
 

And any hacks need to be *ROM* hacks, not memory. The ones listed above are memory hacks which are not possible on the Lynx.

How did you work on cheats?

Ram hacks on emulators are pretty easy.

But rom hacks are another level..

Long ago I made trainers for Xbox. That involved memory dumps and then x86 assembly tools and knowledge to noop or make other changes to the code...

 

Being rom hacks the ROMs could be patched before being flashed. More or less a trainer version of the game..

 

I'm not sure how Tototek did their flashcards but you could add RAM cheats right before flashing the game within the uploader tool.

I recently created some codes for Aleste 3 on game gear using an emulator to find them.

 

Ram cheats are the most useful to me.

as they are a lot easier to create. May need to calculate the offset once but after that it's like clock work.

 

 

 

Is this still the full list or have there been updates? Thanks

 

Batman Returns, Infinite Energy

Switchblade 2, Infinite Lives, Infinite Energy

Super Skweek, Infinite Time

Ninja Gaiden 3, Infinite Time, Infinite Energy, One Hit Boss Kill

Ninja Gaiden, Infinite Time, Infinite Energy

Bubble Trouble, Infinite Energy

Desert Strike, Infinite Energy

Gauntlet, Infinite Energy

Klax, Infinite Misses

Pac Land, Infinite Time, Infinite Lives

Hard Drivin', Infinite Time

Raiden, Infinite Lives, Infinite Bombs

Paper Boy, Infinite Lives

Steel Talons, Infinite Energy

Turbo Sub, Infinite Lives, Infinite Mines

Rampage, Infinite Energy

Shadow of the Beast, Infinite Energy

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