Hacking [Q] GBA cia on emunand not rendering screen correctly

mikey420

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I don't have this issue at all. 32 GB user! Try a smaller SD card capacity size.
Best advice I've seen in this thread. The 100+ card is totally dumb... I had all the games I could possibly want stored fine on 64GB with plenty of space left over. Just switch to smaller cards. The large cards are the problem and the only solution with them is to reduce cluster size which will cause a significant slow down in the home menu. So using the bigger SD cards is simply not going to work out well and that much space is totally unnecessary.
 

geheim

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Any news on this?? I'm also experiencing that problem on my New3DS with 128GB MicroSD.
As I'm using 70GB of the SD I can't just use a smaller one :(
 

Quantumcat

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Any news on this?? I'm also experiencing that problem on my New3DS with 128GB MicroSD.
As I'm using 70GB of the SD I can't just use a smaller one :(
Do you really play 70GB worth of games regularly? How do you even have time to come on the forums, or eat and sleep? :P
You could get a new, smaller SD card and just have the CFW files and install the GBA games you want to play on it. And switch over when you want to play them. Or of course you could delete the games you don't play and switch to a smaller card. Remember that you don't need the cia files on your SD card after installing them, they're just taking up space.
 

geheim

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Do you really play 70GB worth of games regularly? How do you even have time to come on the forums, or eat and sleep? :P
You could get a new, smaller SD card and just have the CFW files and install the GBA games you want to play on it. And switch over when you want to play them. Or of course you could delete the games you don't play and switch to a smaller card. Remember that you don't need the cia files on your SD card after installing them, they're just taking up space.

Well I don't play ALL of them regularly, but I like to have a good selection, I'm switching games often ;)
Switching the SD card is not that easy on N3DS, therefore having two seperate cards isn't an option either :(

Thanks anyway for your advice!
I think I have to keep playing big gba games with my old DSTWO and pray that gpsp gets a stable dynarec eventually.
 

KJack

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I had this issue consistently, but was able to fix it. I'm using a SanDisk 128GB micro card (Amazon item B010Q57S62) on a New 3DSXL. Card is probably 80% full.

GBA games (especially the Super Mario Bros Advanced games) would open consistently with the screen offset as seen in OP's image.

I did the following:
  • backup the entire card
  • format the card to FAT32 using 64kb cluster size (I used MiniTool Partition Wizard Pro, not sure if it matters)
  • restore data to card
  • issue is totally gone
So, 32kb is not necessarily the only cluster size to try!
 

GerbilSoft

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SD card size has to be a red herring here. There's no logical reason why the SD card size would cause AGB_FIRM to mismap the AGB framebuffer.

Sidenote: I've had something like this happen when using an R4i-SDHC flash cart, which doesn't use the 3DS SD card at all. It happened randomly, and sometimes rebooting and/or a power cycle would fix it.
 

Kohmei

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Edit: Just like to report that I fixed it (or at least, it's simply not showing up anymore) by formatting my 128GB SD Card to 64k clusters, and disabling the GBA splash screen.

I don't think 64k is a catchall, it probably only works for 128GB SD cards, and it makes sense since smaller clusters would create a larger FAT, which might somehow be becoming too large for the 3DS's GBA mode
 
Last edited by Kohmei,

Oak

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A faster way to restore the normal display of a GBA game is to press home and then alternate between pressing start+right and start+left if anyone still cares.
This worked for me. Also figured out that holding start and pressing up or down alters the brightness. I have a 128gb sd card. 64kb cluster didn't work, changing luma settings didn't work, enabling gba boot screen didn't work. This is the only thing that worked, besides rebooting game, which takes longer.
 

windydoom

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So I had this issue using a sandisk ultra 128b micro sd card. I tried basically everything posted on this forum and others as well and after just retrying numerous times it just eventually fixed itself. I reformatted to fat32 using 64kb cluster at least 5 times and tested using primary and logical partitioning. What finally worked was 64kb clustering and primary partitioning (I always use easeus partition master). But again I had tested that configuration numerous times and one time it just happen to work. There's no logic as to why and I didn't change any configurations in luma so if you see this issue, then just keep reformatting and keep trying. It eventually will work. Oh and I was on a new 2ds XL.
 
Last edited by windydoom,
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So I had this issue using a sandisk ultra 128b micro sd card. I tried basically everything posted on this forum and others as well and after just retrying numerous times it just eventually fixed itself. I reformatted to fat32 using 64kb cluster at least 5 times and tested using primary and logical partitioning. What finally worked was 64kb clustering and primary partitioning (I always use easeus partition master). But again I had tested that configuration numerous times and one time it just happen to work. There's no logic as to why and I didn't change any configurations in luma so if you see this issue, then just keep reformatting and keep trying. It eventually will work. Oh and I was on a new 2ds XL.
GBA VC doesn't work on EmuNAND.

***

The GBA VC graphical glitch has been known for some time now.
 

Yagami1211

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For what it's worth, I was offered a pretty high end SD card for my Bday. It negated the problem all together.

PS : Ah crap, sorry for the necro.
 
Last edited by Yagami1211,

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