Homebrew OPEN_AGB_FIRM discussion thread

hitfan · Dec 3, 2022

Kudos to the one (or those) who have made it possible to play GBA games on the 3DS with a beautiful and full-sized screen. And because I am actually playing the games not in emulation, but on BARE METAL is the cherry on top.

A tip of the hat to you, and i sincerely thank you for doing the Lord's work.

Doomguy · Dec 5, 2022

I haven't been following the development of this software in a while. Have there been any significant updates/forks, over the past few months?

spitzeqc · Dec 5, 2022

Doomguy said:
I haven't been following the development of this software in a while. Have there been any significant updates/forks, over the past few months?

I'm in the process of adding support for using multiple patches given a single base rom (should be done soon), though I'm not sure I would deem it as a "significant" update. I would like to add support for cheats at some point (which I would consider a significant update), however the lack of direct hardware access will make this hard so I am not sure how feasible this is.

SpaceLion · Dec 5, 2022

Is in-game gamma control even possible and/or is it a future goal? I love the in-game brightness control in the latest nightlies and would personally love to be able to more freely toy with the gamma as well.

spitzeqc · Dec 6, 2022

Gamma control was not originally planned. However looking into it, it should be pretty simple to implement (although I've pretty much run out of intuitive button combos, so I'll need to figure something out for that)

Sono · Dec 6, 2022

spitzeqc said:
Gamma control was not originally planned. However looking into it, it should be pretty simple to implement (although I've pretty much run out of intuitive button combos, so I'll need to figure something out for that)

You can make Home button not shut down, but open a menu.
Optionally, you can make it transparent, or slightly transparent, or even hide the partial transparency completely when adjusting graphical settings.
If you do make Home button open a menu, it should even be possible to add an option to save the .sav to SD more frequently than just when pressing the Home button, so if the 3DS ends up dying for some reason, then you won't lose so much progress.

Oh, and the reason you wouldn't want to keep repeatedly saving the .sav to SD (besides wearing it out) is that the 3DS side can only access the save data if it's stealed from the GBA, and during that time the GBA can't access the save data at all, which could cause problems. And since it's a real GBA, and you can't pause it... yeah.

SpaceLion · Dec 13, 2022

spitzeqc said:
Gamma control was not originally planned. However looking into it, it should be pretty simple to implement (although I've pretty much run out of intuitive button combos, so I'll need to figure something out for that)

The open_agb_firm gamma/brightness controls are probably the best way I've seen for restoring the colors of some games on 3ds. I basically exclusively play metroid fusion/zm using this method for that exact reason. Thanks for considering it!

Maximumbeans · Dec 14, 2022

Just another post to say thank you to everybody who made this thing possible and works to keep it updated and polished.

Thanks to OAF I've been able to play tons of games for the first time and revisit some of my favourites from my childhood. Playing Yu-Gi-Oh! Worldwide Edition: Stairway to the Destined Duel again for the first time in like 15 years unlocked some core memories for me. Hearing the music again was like giving my heart a warm hug.

Amey8a · Dec 17, 2022

Does anyone facing issue like this on open agb firm?

https://gbatemp.net/threads/text-an...pokemon-emerald-vc-injected-with-nsui.620348/

Maximumbeans · Dec 17, 2022

Amey8a said:
Does anyone facing issue like this on open agb firm?

https://gbatemp.net/threads/text-an...pokemon-emerald-vc-injected-with-nsui.620348/

Not here. I’ve been playing Emerald on OAF and had little to no issues whatsoever.

Amey8a · Dec 18, 2022

Maximumbeans said:
Not here. I’ve been playing Emerald on OAF and had little to no issues whatsoever.

Thanks fore providing your feedback. Emerald on OAF is also giving me this issue. I will try to look into other ways as well. A question. Are you running OAF in old 2ds/3ds/3dsxl or new 2dsxl/3dsxl

pokota · Dec 18, 2022

You may want to confirm that your dump of Emerald is correct, I've not had that issue on OAF either. Compare it to the checksum for the PRET decomp to be certain (I ran into a similar issue where the dump I already had of Red wasn't clean when I tried to patch it with speedchoice)

Amey8a · Dec 18, 2022

pokota said:
You may want to confirm that your dump of Emerald is correct, I've not had that issue on OAF either. Compare it to the checksum for the PRET decomp to be certain (I ran into a similar issue where the dump I already had of Red wasn't clean when I tried to patch it with speedchoice)

You have a New 3ds xl. I do have a new 3ds xl which is running the exact same emerald flawlessly in both VC and OAF.

The issue I am having is on the old 2ds. On old 2ds, all VC injects work properly and that includes all pokemon games. Only Emerald is having this particular issue in both vc and OAF.

I want someone with "old 2ds" to reply with the emerald vc injection. Also, the dump I have is verified with the very same site.
Even ruby and sapphire runs properly. Just this emerald is making me go crazy because the issue is still unknown. I have done the hardware test and it is also clean.

The only thing I haven't done yet is system firmware downgrade.

godreborn · Dec 18, 2022

Amey8a said:
You have a New 3ds xl. I do have a new 3ds xl which is running the exact same emerald flawlessly in both VC and OAF.

The issue I am having is on the old 2ds. On old 2ds, all VC injects work properly and that includes all pokemon games. Only Emerald is having this particular issue in both vc and OAF.

I want someone with "old 2ds" to reply with the emerald vc injection. Also, the dump I have is verified with the very same site.
Even ruby and sapphire runs properly. Just this emerald is making me go crazy because the issue is still unknown. I have done the hardware test and it is also clean.

The only thing I haven't done yet is system firmware downgrade.

what is the allocation size of your sd card? if it's larger than 64GBs, use 64KBs as allocation size.

Amey8a · Dec 18, 2022

godreborn said:
what is the allocation size of your sd card? if it's larger than 64GBs, use 64KBs as allocation size.

32gb on old 2ds. Yes, I have already tried with 32kb and 64kb cluster size formats. Did full zero wipe as well. Issue is still persistent.

Maximumbeans · Dec 18, 2022

Amey8a said:
Thanks fore providing your feedback. Emerald on OAF is also giving me this issue. I will try to look into other ways as well. A question. Are you running OAF in old 2ds/3ds/3dsxl or new 2dsxl/3dsxl

Running it on New 3DS. The only problem I have with it is a slight pause when entering a Pokémon centre, which seems to be a general issue with gen 3 ROMs for some reason. Have you tried a different file? I can send you mine if you like.

@PopcornSweetie Yo what the hell? Lmao

Pk11 · Dec 18, 2022

Maximumbeans said:
Running it on New 3DS. The only problem I have with it is a slight pause when entering a Pokémon centre, which seems to be a general issue with gen 3 ROMs for some reason. Have you tried a different file? I can send you mine if you like.

iirc that even happens on real carts on real GBAs unless you have a link cable or wireless adapter, I forget which, plugged in

Edit: Just tested, wireless adapter – as such it only affects FR/LG/E

Amey8a · Dec 18, 2022

Maximumbeans said:
Running it on New 3DS. The only problem I have with it is a slight pause when entering a Pokémon centre, which seems to be a general issue with gen 3 ROMs for some reason. Have you tried a different file? I can send you mine if you like.

Yes. Tried files made by fellow users as well. Including original dump, modified versions, sram patched versions. I know that the rom is ok because I have tried running same rom with mGBA and it gives no issue.

The only thing giving me problem on emerald is the native arm7 hardware exclusively on old 2ds.

I have some doubt with the differences between old and new 3ds firmwares. They are different and nintendo seems like made some changes in the updates.

Maximumbeans · Dec 18, 2022

Pk11 said:
iirc that even happens on real carts on real GBAs unless you have a link cable or wireless adapter, I forget which, plugged in

Edit: Just tested, wireless adapter – as such it only affects FR/LG/E

Huh, TIL. Thanks! I can stop wondering about it now

Post automatically merged: Dec 18, 2022

Amey8a said:
Yes. Tried files made by fellow users as well. Including original dump, modified versions, sram patched versions. I know that the rom is ok because I have tried running same rom with mGBA and it gives no issue.

The only thing giving me problem on emerald is the native arm9 hardware exclusively on old 2ds.

I have some doubt with the differences between old and new 3ds firmwares. They are different and nintendo seems like made some changes in the updates.

That’s really odd. Given that OAF is using the native GBA hardware you’d think there should be no difference, right? Weird.

ghjfdtg · Dec 18, 2022

There is no difference. This is either user error or hardware failure. Leaning towards the later.

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