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ROM Hack Issue?
Last Post: PakkyL
02-21-2026, 04:24 AM
Controller Issues with th...
Last Post: luffytaro93
02-14-2026, 08:00 AM
Regarding the issue of ad...
Last Post: salamabici
01-27-2026, 04:23 AM
New Solar Sensor Device
Last Post: endrift
01-21-2026, 02:00 AM
Mono Audio issue on Wii p...
Last Post: endrift
01-16-2026, 08:00 AM
mgba pokemon firered leaf...
Last Post: endrift
12-27-2025, 02:13 AM
3DS mGBA Cheats
Last Post: endrift
12-09-2025, 02:08 AM
mGBA crashes on bluetooth...
Last Post: Pyan3z
11-30-2025, 06:50 PM
Save location on mGBA App...
Last Post: endrift
11-20-2025, 11:59 PM
The GBA game 'Sangokushi ...
Last Post: endrift
11-01-2025, 11:05 PM

Forum Statistics
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  ROM Hack Issue?
Posted by: PakkyL - 02-21-2026, 04:24 AM - Forum: General - No Replies

I've been trying to get a few Pokemon ROM hacks to work to no avail. A few of them will start on the FireRed platform but will white screen after the title screen. A few of the ROM Hacks download as IPS files and others are XDelta files and I'm just lost as to how to get these to work.

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  Controller Issues with the Manba One
Posted by: luffytaro93 - 02-14-2026, 08:00 AM - Forum: General - No Replies

I have a really annoying and strange problem. I bought the Manba One controller, and I have motor tics that sometimes cause me to press A, B, X, and Y simultaneously while playing😅. This combination causes the emulator to reset, which didn't happen with my old Turtle Beach controller. Does anyone have the same controller and know if there are any settings to change this?

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Sad Regarding the issue of adjusting the speed in the mgba emulator.
Posted by: salamabici - 01-27-2026, 04:23 AM - Forum: General - No Replies

The acceleration function of the mgba emulator makes the displayed frame rate appear choppy after it exceeds my screen refresh rate. For example, with my 165Hz screen, a 3x speedup displays around 180 frames per second (mgba's built-in frame rate display), which makes it look choppy. A 4x speedup makes the choppyness even more noticeable. However, the vba-m emulator and my Delta on my Apple device don't have this problem. mgba doesn't solve this issue regardless of whether I choose to synchronize audio or video. Can anyone please help me with this?

The specific problem is as shown in the image I've shown: the FPS obtained using a frame rate testing tool is different from the FPS displayed in the game.

By the way, I'm Chinese. I apologize that my English isn't very good; this was written using translation software.


If I only choose 2x speed acceleration, 120 is less than 165, so the smoothness of the game will not be affected, and the detected FPS is the same as in the game.



Attached Files
.png   Snipaste_2026-01-27_12-05-17.png (Size: 28.85 KB / Downloads: 6)
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  New Solar Sensor Device
Posted by: TideGear - 01-20-2026, 06:47 PM - Forum: Development - Replies (2)

I'm currently working on an ESP32-based device for reading actual UV levels (not just artificial light) for playing the Boktai games as originally intended. I'm focusing on making it very easy and cheap to build. It will be open source.

The easiest way to make it work with any version of mGBA (PC, libretro core, etc,) would be to enter the exact solar value via the controller hotkeys. The problem is, only increments and decrements are currently supported. The device and mGBA could easily lose sync.

I'd like to add inputing exact solar meter values in a way similar to this...
0 bars: L3
1 bar: Up on left analog + Up on right analong + L3
2 bars: Up on left analog + Right on right analog + L3
... and so on. I could figure out the best combos later, but they should all be analog-based.

What's the best way to do this? Code it for the main branch and the libretro branch then issue PRs? Thanks!

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  Mono Audio issue on Wii port
Posted by: isotomayor12 - 12-31-2025, 10:56 PM - Forum: General - Replies (3)

Hello!

I have been using my wii on my standard CRT TV that only has mono audio input. The wii settings match that configuration as well.

I figured I would try out GB, GBC, and GBA emulation today. mGBA is widely revered as the best on wii so I went with that. What I found is that with the gameboy games I tested, the audio was still splitting through both audio channels instead of one.

I did try the mgba core in retroarch-wii and the audio worked through there, but wow, the wii port for that is not something I want to keep.

I could buy a y splitter, but my right audio cable is significantly quieter due to damage so that won't work unless I also buy new cables for my wii. Money.

I was curious if there was a setting I was missing or if it is not something that is common so it isn't included as an option to adjust in the wii port. Any help would be fantastic and appreciated.

Thank you!

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  mgba pokemon firered leafgreen will not load .sav
Posted by: clarkthechef - 12-27-2025, 02:00 AM - Forum: General - Replies (1)

Sorry in advance if this is already answered in another thread I didn't see.
I just got mGBA to run some pokemon roms I got with a retroarch handheld. I cannot get the rom to load a .sav file but it will still create a new one when saved through the game menu. I am on windows and I am sure im doing something stupid. The files are in the same folders as the roms, and I am loading alternate save.

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Bug mGBA crashes on bluetooth controller disconnection
Posted by: Pyan3z - 11-30-2025, 06:50 PM - Forum: General - No Replies

the subject pretty much explains it: whenever my bluetooth controller disconnects while i'm playing on mGBA it just freezes and i'm forced to kill it from task manager.
is there any way to fix/circumvent this?

i should be on latest version and the controller is just a 20€ discount one, not sure if that matters thoe

(also sorry i'm not sure where to post this)

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  Save location on mGBA AppImage (Steam Deck)
Posted by: MatunaHakata - 11-20-2025, 03:13 PM - Forum: General - Replies (1)

Hi, I got the AppImage of mGBA some time ago and played some games. I wanted to extract a save to edit something on my PC but I cant find the location. When im looking at the paths inside mGBA it shows me home/deck/EmuVirtual/mGBA/saves but when im looking for the folder in my file explorer there is no such folder. Even weirder, the saves are all there in mGBA I just cant find the folder.
And no, its not hidden. I activated the option to show hidden folders.

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Information 3DS mGBA Cheats
Posted by: snail - 11-05-2025, 11:07 PM - Forum: General - Replies (2)

Hey! Just posting wondering exactly how to enter cheats on mGBA 3DS. I can find codes online and have tried entering them, but haven't had any success. Also tried downloading a cheats file to my sd card and could not find a way to add the file to mGBA. When I add a cheat set do I enter the cheat code there? Or in new line? New line seems limited on characters for cheat codes. What type of codes does this accept? Thanks in advance, just can't find a lot of info on this.

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  The GBA game 'Sangokushi Eiketsuden' has face image errors
Posted by: ueyhuom - 11-01-2025, 01:16 PM - Forum: General - Replies (1)

The GBA game 'Sangokushi Eiketsuden' is a tactical RPG like the Fire Emblem series.

As you can see from the attached image, when a character attacks, face images of both the attacking and defending characters appear, but those images aren't displayed properly.

(I also attached the savestate file from right before it happens. If you press the A button, it occurs.)

This error isn't caused by a corrupted ROM file or emulator settings.

I checked multiple ROM files of the same game on a real NDS(with GBA compatibility), and all the ROMs worked fine.

I also tried many other GBA emulators, and all of them had this problem except for gpsp.

So I'm pretty sure it's an emulation problem.

How can I report this to the developers?



Attached Files
.png   SANGOKUSHI EIKETSUDEN-0.png (Size: 26.83 KB / Downloads: 4)
.ss1   SANGOKUSHI EIKETSUDEN.ss1 (Size: 111 KB / Downloads: 1)
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