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Problem with the "new mul...
Last Post: Baccano
06-22-2025, 07:20 PM
Gba file split into base ...
Last Post: Lucer35
06-11-2025, 02:42 AM
What Are Your Favorite GB...
Last Post: patriciahorne
05-30-2025, 06:20 AM
Steam Input doesn't work ...
Last Post: ToxBox
05-18-2025, 11:49 AM
Why does THIS happen when...
Last Post: Borists
05-17-2025, 02:22 PM
Freezing when try to save...
Last Post: Rayfrost
05-15-2025, 03:12 PM
Cant properly map my Inpu...
Last Post: deadcrasher
04-29-2025, 02:25 PM
MGA cheat files
Last Post: awakenkn
04-25-2025, 06:51 AM
Shortcuts while tabbed ou...
Last Post: Vossa
04-11-2025, 07:16 PM
Crash on rewinding
Last Post: Rafael3455
04-10-2025, 09:44 PM

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  Problem with the "new multiplayer window" function
Posted by: Baccano - 06-22-2025, 07:20 PM - Forum: General - No Replies

Hi everyone!

I’m having trouble trying to start the VS mode of Tactics Ogre: Knight of Lodis on mGBA.

I use the "New multiplayer window" function to launch a second instance of the emulator. I load the ROM in both instances and start the VS mode from two different save files. However, the two emulator instances don’t seem to recognize each other…

Do you have any suggestions?

Thanks a lot in advance to anyone who replies.

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  Gba file split into base game and ".sav"
Posted by: Lucer35 - 06-11-2025, 02:42 AM - Forum: General - No Replies

Hello, I foolishly loaded my near completion gba game file in mGBA. I typically play the game on my ez flash cart but in trying mGBA it split the file into the base game and a “.sav” file. Effectively ruining the game for both. Can anyone point me in the right direction to fix this please? This is all I play.

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Question Why does THIS happen when I load up the bios?
Posted by: Borists - 05-17-2025, 02:22 PM - Forum: General - No Replies

Why does it make these sounds when I load up the bios in mGBA? it works fine in other emulators.
here's a link to the video, since it doesn't allow me to attach a video: https://file.garden/ZiXiiiIWlR7-wknI/mGB...-11-24.mp4 (idk if links are allowed, as I couldn't find a rules page for this)

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  Freezing when try to save on Online
Posted by: Rayfrost - 05-15-2025, 03:12 PM - Forum: General - No Replies

I'm playing a Emerald based hackroom on multiplayer and the second player can't save without freezing both layers. I have try differents config and a dev build but i couldn't fix it

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  Steam Input doesn't work and ViGEmBus is dead and doesn't work anymore.
Posted by: ToxBox - 05-14-2025, 01:55 AM - Forum: General - Replies (1)

As I use GlosSI to make mGBA to work with steam input. But ViGEmBus is now unsupported program for Windows 10 and 11 and there are no alternatives. So I'm stuck with using mGBA on retroarch and I added non-steam windows retroarch to steam library to use with steam input with various of my controllers like NSO snes controller for Nintendo switch. Retroarch doesn't have hi-res mode for mGBA but I can't use mGBA exe program because steam input doesn't work with it.

Steam input works for duckstation, pcsx2, dolphin, retroarch, mame and rpcs3.
It doesn't work for mGBA and melonDS. Azahar 3ds emulator are also fixing this bug.
I also have to use melonDS through retroarch as melonDS exe program doesn't work with steam input.

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Sad Cant properly map my Inputs with my SN30 Pro
Posted by: deadcrasher - 04-29-2025, 02:25 PM - Forum: General - No Replies

Hey Guys, my new Controller arrived today and I have huge mapping problems with it
with my PS4 Controller, everything was nice

A lot of inputs give the 2 inputs at the same time and I cannot delete some of it at all. Leading to problem with multiple inputs at the same time.

The analog Sticks aren't working at all like intended
Doing a “left” input with the analog stick results in a “R1” input, and deleting the analogs does nothing.

The Controller features 4 Modes

x-input (right now)
d-input
switch mode
apple mode

In another mode, I guess D-input (not sure) I had an issue with pressing “L3” resulted in walking leftwards and “R3” resulted in walking rightwards.



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Tongue MGA cheat files
Posted by: awakenkn - 04-25-2025, 06:51 AM - Forum: Gaming - No Replies

Hello please suggest me more games this is my new project i compile cheat files
https://github.com/Awakenchan/mGBA-CheatCode



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.png   mGBA_2nlYLDNmrx.png (Size: 53.59 KB / Downloads: 1)
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Question Shortcuts while tabbed out?
Posted by: Vossa - 04-11-2025, 07:16 PM - Forum: General - No Replies

I use a controller for mGBA and the emulator supports inputs even when I'm not tabbed in. Is there a way to also allow shortcuts to also do that? I sometimes use an OBS window for an overlay and need to tab back into the regular emulator window to fast forward, which gets pretty annoying after a while.

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  mGBA load states wiped
Posted by: FROGGIO - 02-19-2025, 12:49 AM - Forum: Gaming - No Replies

Hello, I've been playing pokemon emerald, but my save file got all of the save states wiped for apparently no reason. File seems way too light to hold any info about my games. Happened with no cause, I just loaded into the rom and the save states were gone. Anybody knows how (or if) I can solve this and get my old save back?
Please, it would mean a lot to me if someone could help.

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  2.5x integer scaling of GBA scaling to VGA screens
Posted by: pbalogh77 - 02-16-2025, 01:42 PM - Forum: Development - No Replies

Hi All,

Love mGBA, but I hate how 640x480 retro handhelds make GBA games look. It's either uneven or blurry, or both.

With millions of people playing GBA games on such devices and screens, I think we could do a better job.

I used to be an embedded game dev for over a decade, so I came up with a simple but elegant scaling algorithm, that is consistent and retains the sharpness without uneven text.

I'd love to integrate it to mGBA, if possible. It'd be a very specific scaler for the 240x160 to 600x400 scaling only, although I could generalize it to be useful for 2.5x, 3.5x, 4.5x scaling the same way.
Would this be okay to implement here? If so, where in the architecture would it fit best @endrift?

Here's a simple .js implementation and some samples:
https://stupendous-kelpie-bea103.netlify...20(3).html

Cheers,
Peter



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