ROM Hack Discussion Fire Emblem: Three Houses General Hacking

Zaybokk

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As pandavova said in their post, you open the system file in HxD, then go to offset 00000338 (go to line 00000330 then column 08), then change every values from that point on to FF until the very end.

Go back to the first line (offset 00000000), go to column 0C, highlight everything from that point on until the very end of the file, go to Analysis tab > Checksum > Checksum-32 > Click OK. Check the values that it gives you, then change the first 4 bytes accordingly. For example, if the Checksum value is 0000693A, change first 4 bytes to 3A 69 00 00. In my case, the Checksum value is 000133EA so I change my first 4 bytes on the very first line to EA 33 01 00.

I'm not really good with explaining though so that's the best I could do. I believe that pandavova said they're going to write a small tool to help on that if you're willing to wait.
thank you!.. i may give this a shot.. sounds a little dicey.. and might just be better until he writes a tool for it?.
 

AshuraBlade

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As pandavova said in their post, you open the system file in HxD, then go to offset 00000338 (go to line 00000330 then column 08), then change every values from that point on to FF until the very end.

Go back to the first line (offset 00000000), go to column 0C, highlight everything from that point on until the very end of the file, go to Analysis tab > Checksum > Checksum-32 > Click OK. Check the values that it gives you, then change the first 4 bytes accordingly. For example, if the Checksum value is 0000693A, change first 4 bytes to 3A 69 00 00. In my case, the Checksum value is 000133EA so I change my first 4 bytes on the very first line to EA 33 01 00.

I'm not really good with explaining though so that's the best I could do. I believe that pandavova said they're going to write a small tool to help on that if you're willing to wait.
Is this something that we can edit with code? or it's something that can only be accomplished with editor?
 

pandavova

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Is this something that we can edit with code? or it's something that can only be accomplished with editor?

Well thats it for me, im done. lol.
First: Yeah i discoverd how to unlock all Support Conversations in the Extras-Menu.
Change everything from offset 0x338 to FF. Its really that simple.

Second: To change the Checksum of your system file use HxD's feature, select everything after the first 12 bytes (offset 0xC) and then flip the Checksum-32 (if its 0000693A, write 3A 69 00 00 to first 4 bytes).

As a funny side effect, it unlocks EVERYTHING ELSE in the Extras. Yep. EVERYTHING from all 3 Houses.
Have fun recording everything to YouTube or watching it yourself xd

you can currently only do it with hxd, but im trying to create a small application.

because of my inexperience with c# it takes a while.
 

pandavova

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so its not possible to unluck all support chats with cheat code for edizon? only editor with ur save file?
i dont know the ram values that would go to the system file, so no there is no edizon cheat right now.

if i look at this mess with c# that im trying to do for over 6h (i cant figure out how to overwrite the 114 bytes)...
it would be prolly easier to find the ram values with jnoexs.
 

Zaybokk

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so its not possible to unluck all support chats with cheat code for edizon? only editor with ur save file?
not sure?.. would be nice though..

here's what we need so far that of like on past Fire Emblem , basically most-if not all previous ones had these..
these can go in basically any order.

the list of code(s) eventually we need:

#1: example, say u reach level 20 , and say u want to Reverse your level back to lvl 1 and you want to retain the experience etc. and whatnot that u currently gained..
so basically going from *whatever level your at* back to past level to gain stats again-(but higher this time by retaining exp. etc.)

#2: the *Move-Again code* and or Always your turn Code*

#3: Status Code(s) e.g. Silence , Poison , Stone , etc. and also Normal-(no Status Conditions ) , also this may be useful Considering all the new buffs now they have
#4: Buff(s) Code(s) : This may also go with or may be Separate from Status Codes in #3 Section..-(this depends on how the Games Code is internally) , sometimes Status/Buffs are Together Grouped in some games sometimes there Separate..

#5: i noticed Battle- Battalion Needs Endurance to use it , so Endurance Code? , because i had to replenish it at Marketplace from a knight or a guard there ..
#6 : also almost forgot two, also Linked-Attacks and Follow-Up Attacks. , i believe there different than each other?..

that's all i can think of right now.. someone Did mention also Something about Divine Pulse?..
 
Last edited by Zaybokk, , Reason: Credit(s) where it due...

dsrules

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most bosses might be playable
 

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pandavova

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So yeah, i did it.
Add this to your 47CA26D2AA77D0BA.txt and enable it in the main menu of the game.

The unlock all Code for the Extras Menu said:
[Unlock All - Extras Menu @pandavova]
04100000 ADBEE6A8 FFFFFFFF
04100000 ADBEE6AC FFFFFFFF
04100000 ADBEE6B0 FFFFFFFF
04100000 ADBEE6B4 FFFFFFFF
04100000 ADBEE6B8 FFFFFFFF
04100000 ADBEE6BC FFFFFFFF
04100000 ADBEE6C0 FFFFFFFF
04100000 ADBEE6C4 FFFFFFFF
04100000 ADBEE6C8 FFFFFFFF
04100000 ADBEE6CC FFFFFFFF
04100000 ADBEE6D0 FFFFFFFF
04100000 ADBEE6D4 FFFFFFFF
04100000 ADBEE6D8 FFFFFFFF
04100000 ADBEE6DC FFFFFFFF
04100000 ADBEE6E0 FFFFFFFF
04100000 ADBEE6E4 FFFFFFFF
04100000 ADBEE6E8 FFFFFFFF
04100000 ADBEE6EC FFFFFFFF
04100000 ADBEE6F0 FFFFFFFF
04100000 ADBEE6F4 FFFFFFFF
04100000 ADBEE6F8 FFFFFFFF
04100000 ADBEE6FC FFFFFFFF
04100000 ADBEE700 FFFFFFFF
04100000 ADBEE704 FFFFFFFF
04100000 ADBEE708 FFFFFFFF
04100000 ADBEE70C FFFFFFFF
04100000 ADBEE710 FFFFFFFF
04100000 ADBEE714 FFFFFFFF
04100000 ADBEE718 FFFFFFFF
04100000 ADBEE71C FFFFFFFF
04100000 ADBEE720 FFFFFFFF
04100000 ADBEE724 FFFFFFFF
04100000 ADBEE728 FFFFFFFF
04100000 ADBEE72C FFFFFFFF
04100000 ADBEE730 FFFFFFFF
04100000 ADBEE734 FFFFFFFF
04100000 ADBEE738 FFFFFFFF
04100000 ADBEE73C FFFFFFFF
04100000 ADBEE740 FFFFFFFF
04100000 ADBEE744 FFFFFFFF
04100000 ADBEE748 FFFFFFFF
04100000 ADBEE74C FFFFFFFF
04100000 ADBEE750 FFFFFFFF
04100000 ADBEE754 FFFFFFFF
04100000 ADBEE758 FFFFFFFF
04100000 ADBEE75C FFFFFFFF
04100000 ADBEE760 FFFFFFFF
04100000 ADBEE764 FFFFFFFF
04100000 ADBEE768 FFFFFFFF
04100000 ADBEE76C FFFFFFFF
04100000 ADBEE770 FFFFFFFF
04100000 ADBEE774 FFFFFFFF
04100000 ADBEE778 FFFFFFFF
04100000 ADBEE77C FFFFFFFF
04100000 ADBEE780 FFFFFFFF
04100000 ADBEE784 FFFFFFFF
04100000 ADBEE788 FFFFFFFF
04100000 ADBEE78C FFFFFFFF
04100000 ADBEE790 FFFFFFFF
04100000 ADBEE794 FFFFFFFF
04100000 ADBEE798 FFFFFFFF
04100000 ADBEE79C FFFFFFFF
04100000 ADBEE7A0 FFFFFFFF
04100000 ADBEE7A4 FFFFFFFF
04100000 ADBEE7A8 FFFFFFFF
04100000 ADBEE7AC FFFFFFFF
04100000 ADBEE7B0 FFFFFFFF
04100000 ADBEE7B4 FFFFFFFF
04100000 ADBEE7B8 FFFFFFFF
 

pandavova

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what will happen ingame though? will we get to see all support chats normally? or will it (skip) them all and we can only see them on extras?
you can go in to the extras menu, and there you have all music unlocked, all support conversations, all events and all ingame cutscenes unlocked. and you can click on them, and change the houses with "X".
the cheat just changes stuff in the extras menu, not in the savegame so nothing will happen ingame, but it doenst matter because you unlock everything from all 3 houses in the extras menu.
if you want to have everything unlocked in the savegame just use the saveeditor from falo or gift many of these owl feathers.
 

JrpgAddict

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you can go in to the extras menu, and there you have all music unlocked, all support conversations, all events and all ingame cutscenes unlocked. and you can click on them, and change the houses with "X".
the cheat just changes stuff in the extras menu, not in the savegame so nothing will happen ingame, but it doenst matter because you unlock everything from all 3 houses in the extras menu.
if you want to have everything unlocked in the savegame just use the saveeditor from falo or gift many of these owl feathers.
just tested this , HOLY FUCK bro EVRYTHING IS UNLOCKED. ty so much for this now i wont have to recruit useless chars just to see their support chats.
 

Jevooz

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you can go in to the extras menu, and there you have all music unlocked, all support conversations, all events and all ingame cutscenes unlocked. and you can click on them, and change the houses with "X".
the cheat just changes stuff in the extras menu, not in the savegame so nothing will happen ingame, but it doenst matter because you unlock everything from all 3 houses in the extras menu.
if you want to have everything unlocked in the savegame just use the saveeditor from falo or gift many of these owl feathers.

Could you do a little step by step instructions of how you modified the files? Let's say you have the files that you get from checkpoint which are System and Slot00 and Auto and HxD, how did you did it? I'm sorry if this is too much trouble, it is my first time using HxD and I'm still trying to get the hang of this, thanks in advance
 

pandavova

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Could you do a little step by step instructions of how you modified the files? Let's say you have the files that you get from checkpoint which are System and Slot00 and Auto and HxD, how did you did it? I'm sorry if this is too much trouble, it is my first time using HxD and I'm still trying to get the hang of this, thanks in advance
there are two ways. the non permanent and the permanent way.

the non permanent way: use the cheat code that i wrote with edizon.

the permanent way: open your system file in hxd and follow these instructions
Change everything from offset 0x338 to FF. Its really that simple.

Second: To change the Checksum of your system file use HxD's feature, select everything after the first 12 bytes (offset 0xC) and then flip the Checksum-32 (if its 0000693A, write 3A 69 00 00 to first 4 bytes).
for the checksum, go to the analysis tab, Checksum, "Checksum-32" and click "OK"
 

Emj117

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there are two ways. the non permanent and the permanent way.

the non permanent way: use the cheat code that i wrote with edizon.

the permanent way: open your system file in hxd and follow these instructions

for the checksum, go to the analysis tab, Checksum, "Checksum-32" and click "OK"
I made the cheat permanent by making a new game + save file. I assume what happened is It made the game think that all the supports and cutscenes were unlocked normally so it saved it. Either that or something broke...
 

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