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Score Hacking
https://www.kodewerx.org/forum/viewtopic.php?f=17&t=5221
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Author:  Codebreaker [ Tue Feb 12, 2008 8:19 pm ]
Post subject:  Score Hacking

How would I go about hacking a score for a Game Boy game with game shark? The trainer that comes with the device can only search values up to 255 (FF) and scores tend to run higher than this. Thanks in advance.

Author:  kenobi [ Thu Feb 14, 2008 12:18 pm ]
Post subject:  Re: Score Hacking

What is the game you're hacking ?

Anyway you can try is this : take your score, divide it by 256. Then search for the integer value you've got.
(exemple : your score is 800, 400/256 = 3,125, so search for 3).

Author:  Codebreaker [ Sun Feb 17, 2008 12:11 pm ]
Post subject:  Re: Score Hacking

kenobi wrote:
What is the game you're hacking ?

Anyway you can try is this : take your score, divide it by 256. Then search for the integer value you've got.
(exemple : your score is 800, 400/256 = 3,125, so search for 3).


I can try that, but I doubt it will work. Scores as close as 1500 and 1510 would bear an indistinguishable quotient.
Ex: 1500/256 = 5.859375
1510/256 = 5.8984375

They would both have a value of 5 and therefore couldn't be differentiated. I don't think two separate scores could have one value. Correct me if I am wrong.

- The game I am hacking is Tetris.

Author:  HyperHacker [ Tue Feb 19, 2008 7:34 pm ]
Post subject:  Re: Score Hacking

Well first of all you need to learn a bit about hex. Convert your score to hex and just search for one byte of the result. Also, a lot of Game Boy games use a binary-coded decimal system, where for example a score of 123456 is actually stored as 0x123456.

Author:  Codebreaker [ Wed Feb 20, 2008 4:08 pm ]
Post subject:  Re: Score Hacking

HyperHacker wrote:
Well first of all you need to learn a bit about hex. Convert your score to hex and just search for one byte of the result. Also, a lot of Game Boy games use a binary-coded decimal system, where for example a score of 123456 is actually stored as 0x123456.

The trainer only allows you to search in Hexadecimal, so that shouldn't be a problem. Also, would each score be located in their own separate memory location?

Author:  NameUser [ Sun Mar 02, 2008 11:57 pm ]
Post subject:  Re: Score Hacking

Codebreaker wrote:
HyperHacker wrote:
Well first of all you need to learn a bit about hex. Convert your score to hex and just search for one byte of the result. Also, a lot of Game Boy games use a binary-coded decimal system, where for example a score of 123456 is actually stored as 0x123456.

The trainer only allows you to search in Hexadecimal, so that shouldn't be a problem. Also, would each score be located in their own separate memory location?


With old things like GB, something such as 999 could be three separate bytes for each number. It really depends, older it is, the better chance of that. I'll periodically check this thread if it gets replies, if you'd like more immediate help, feel free to PM me.

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