The Legend of Zelda The Missing Link Gameshark codes????

mejormask2099 · Jul 29, 2022

Will anyone have the codes for infinite health and infinite rupees? I would be interested in passing this hack again in a more peaceful way lol, If anyone has these codes I would greatly appreciate them providing them to me, greetings.

For version 2.0

FAST6191 · Aug 1, 2022

Do the codes for the base game not work? Timeline wise I don't think this would be a recompiled game so memory locations and thus cheats should be the same.

Alternatively I would be surprised if they put some anti cheat in there that was not in the base game so basic cheat search
https://web.archive.org/web/20080309104350/http://etk.scener.org/?op=tutorial and https://doc.kodewerx.org/hacking_n64.html should be able to find them in fairly short order (I remember doing it on my N64 gameshark back when) -- health is hearts rather than some number so you might have to do greater than/less than or find minimum damage (I think being set on fire does quarter hearts or possible some falls leave you with that) and multiply by whatever necessary (presumably 4 in this case if quarter hearts are available).

mejormask2099 · Aug 1, 2022

FAST6191 said:
Do the codes for the base game not work? Timeline wise I don't think this would be a recompiled game so memory locations and thus cheats should be the same.

Alternatively I would be surprised if they put some anti cheat in there that was not in the base game so basic cheat search should be able to find them in fairly short order (I remember doing it on my N64 gameshark back when) -- health is hearts rather than some number so you might have to do greater than/less than or find minimum damage (I think being set on fire does quarter hearts or possible some falls leave you with that) and multiply by whatever necessary (presumably 4 in this case if quarter hearts are available).

No, I already tried several codes of the base version and nothing, none work. I do not understand very well how to do the trick from memory.

FAST6191 · Aug 1, 2022

That is very odd. I would not normally expect a ROM hack to change such things unless it changed the underlying code responsible and this seems more like a level hack. Are you sure it is for the right region and version? https://www.romhacking.net/hacks/5334/ says USA but not which version specifically (there are a few https://www.zeldaspeedruns.com/oot/generalknowledge/version-differences ) and as the original devs would have recompiled then memory locations might change between such things.

Finding cheats?
The first link above details how to do it for a GBA game but it is much the same whether you are playing on a commodore64, N64 or modern X64 PC (though PC stuff has some additional quirks in some aspects).

Games use memory to store data, everything the game runs. The everything is the problem so you need a way to search to find things. To this end we have cheat searching tools (the N64 in my case being where I learned originally how to do this properly). The general idea being you get into the game, start a search and it will note the contents of memory, you do an action that hopefully changes the relevant part of memory, then get the cheat search to search through its list of changes since last snapshot to see what changed, you repeat the process again having changed the area once more until the list of changes narrows down to the point where you can try fixing certain locations or writing greater values into it to see what happens.
It gets a bit more involved as you don't have "has changed" search and often will have additional options like greater or smaller/less than before, within this range, specific value search, has not changed (can be useful to eliminate say memory associated with background timers, animations and such like), larger or smaller value ranges (not everything will use a full 64 bit value and so sometimes you might want to do 32 bit, 16 or 8, or indeed maybe even 128).
There are also additional tricks of the trade as it were -- moon jump is more of a flag in the event of double jump, finding hard to change stats usually involves finding an easy to change one and moving sideways until you find the one you care about, end game sword usually involves getting a lot of the starting town weapons and then change values/location depending upon what you see... but basic infinite health and infinite money are done by spending something small/picking up something small and searching for the change, repeat as you will, health as mentioned is not a nice number in this case and instead hearts so might not have the options for specific values but it is still possible to take some minimal damage or stand by somewhere to heal to get enough searches in.

mejormask2099 · Aug 2, 2022

FAST6191 said:
Finding cheats?
The first link above details how to do it for a GBA game but it is much the same whether you are playing on a commodore64, N64 or modern X64 PC (though PC stuff has some additional quirks in some aspects).

Games use memory to store everything the game runs. The everything is the problem so you need a way to search to find things. To this end we have cheat searching tools (the N64 in my case being where I learned originally how to do this properly). The general idea being you get into the game, start a search and it will note the contents of memory, you do an action that hopefully changes the relevant part of memory, then get the cheat search to search through its list of changes since last snapshot to see what changed, you repeat the process again having changed the area once more until the list of changes narrows down to the point where you can try fixing certain locations or writing greater values into it to see what happens.
It gets a bit more involved as you don't have "has changed" search and often will have additional options like greater or smaller/less than before, within this range, specific value search, has not changed (can be useful to eliminate say memory associated with background timers, animations and such like), larger or smaller value ranges (not everything will use a full 64 bit value and so sometimes you might want to do 32 bit, 16 or 8, or indeed maybe even 128).
There are also additional tricks of the trade as it were -- moon jump is more of a flag in the event of double jump, finding hard to change stats usually involves finding an easy to change one and moving sideways until you find the one you care about, end game sword usually involves getting a lot of the starting town weapons and then change values/location depending upon what you see... but basic infinite health and infinite money are done by spending something small/picking up something small and searching for the change, repeat as you will, health as mentioned is not a nice number in this case and instead hearts so might not have the options for specific values but it is still possible to take some minimal damage or stand by somewhere to heal to get enough searches in.

From there get the patch for the rom, which should be 1.0, and if you try codes from other versions

To be able to do what tells me which emulator is needed or which programs? Since as such I do not have a good computer, ran the game from my cell phone, can you from there?

FAST6191 · Aug 2, 2022

N64 emulation at least enough to make cheats should not be so bad -- playing on a small screen with slowdowns sucks to play the game but still enough to make cheats. N64 emulation has also been a thing for many many years at this point so most PCs still operating should be able to do something here, give or take some netbooks.
Most phone based emulators tend not to include nice features that are fairly standard on PC -- cheat search being one of those standard features, and if not then loads of programs like emuhaste, cheat engine, art money and whatever else that people attach to emulators to function as cheat searching programs using all the same techniques mentioned above and in the links given previously. You could do something similar with debugging on a phone but if you are already operating on the edge of your comfort zone then this is less deep end and more being pushed out of a helicopter into the sea at night.

Might also be worth testing on a PC to see if your phone emulator is the one causing the problem, though I suppose you could also check cheats on the base game to see if they work or not.

mejormask2099 · Aug 6, 2022

FAST6191 said:
N64 emulation at least enough to make cheats should not be so bad -- playing on a small screen with slowdowns sucks to play the game but still enough to make cheats. N64 emulation has also been a thing for many many years at this point so most PCs still operating should be able to do something here, give or take some netbooks.
Most phone based emulators tend not to include nice features that are fairly standard on PC -- cheat search being one of those standard features, and if not then loads of programs like emuhaste, cheat engine, art money and whatever else that people attach to emulators to function as cheat searching programs using all the same techniques mentioned above and in the links given previously. You could do something similar with debugging on a phone but if you are already operating on the edge of your comfort zone then this is less deep end and more being pushed out of a helicopter into the sea at night.

Might also be worth testing on a PC to see if your phone emulator is the one causing the problem, though I suppose you could also check cheats on the base game to see if they work or not.

I tried to do it but I did not understand very well what should be done, I saw many numbers and as you mentioned I saw that several changed but I did not understand that I should edit, could you help me?

FAST6191 · Aug 6, 2022

Cheat search for something like this is usually a fairly reasonable thing to do. There are plenty of hard areas of hacking but this is more on the tedious side of things.

The idea of the cheat search is you narrow the numbers down until you get a manageable list of potential options to test. For most this is about 40 on the high end but some will go for more. Better cheat searches will give more options that in turn reduce the list of possibilities far more quickly but "has changed, has not changed" should be able to get done if you keep plugging away at it.
From said list then you edit the memory locations they concern/make a cheat to hold things at a value, spend a rupee or lose some health. If the game does not reduce the total count or have less life then you have your cheat, if it does nothing then try another, if it crashes (a distinct possibility) then load a savestate made before then and try the next one in the list or next good candidate if you prefer that way (sometimes numbers will obviously not be what you care about, usually by being a very odd value compared to anything reasonable for what is the life/rupees counter, just happened to also change at the same time as the one you do care about).

I could give it a go but I am going to be busy for a few days so if you can get it done then you will have it sooner.

mejormask2099 · Aug 12, 2022

FAST6191 said:
Cheat search for something like this is usually a fairly reasonable thing to do. There are plenty of hard areas of hacking but this is more on the tedious side of things.

The idea of the cheat search is you narrow the numbers down until you get a manageable list of potential options to test. For most this is about 40 on the high end but some will go for more. Better cheat searches will give more options that in turn reduce the list of possibilities far more quickly but "has changed, has not changed" should be able to get done if you keep plugging away at it.
From said list then you edit the memory locations they concern/make a cheat to hold things at a value, spend a rupee or lose some health. If the game does not reduce the total count or have less life then you have your cheat, if it does nothing then try another, if it crashes (a distinct possibility) then load a savestate made before then and try the next one in the list or next good candidate if you prefer that way (sometimes numbers will obviously not be what you care about, usually by being a very odd value compared to anything reasonable for what is the life/rupees counter, just happened to also change at the same time as the one you do care about).

I could give it a go but I am going to be busy for a few days so if you can get it done then you will have it sooner.

If I would appreciate it very much, I have been trying for days and I still do not understand what I should do I got very confused and despaired
If I would greatly appreciate your help and do not worry when you can do it is fine, thank you very much in advanceIf I would greatly appreciate your help and do not worry when you can do it is fine, thank you very much.

The Legend of Zelda The Missing Link Gameshark codes????

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