Talk:Visual Boy Advance GX

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Bug Reports

Speed/sound issues (fixed 1.0.1 and beter in 1.0.2)

There are currently known speed and sound issues with this emulator. --Tantric 06:39, 17 September 2008 (UTC)

Corrected in 1.0.1 version -Yod4z 18 september 2008 GMT+1 11:29
metroid fusion still not full speed--Cert 03:28, 25 September 2008 (UTC)
Wait to the next version Tantric added some new things that can improve the speed and frameskip --Yod4z 25 September 2008 14:16 GMT+1

Savetype Issues (Workaround)

When running Super Mario Advance 4 (SMB3) It won't boot, stating the save data is corrupted. This suggests that you need a placeholder save in order to start the game, but that's not very intuitive.

VBA should probably load a "default" save for each title, or let the user configure the save-type for each game (like the windows VBA) if auto-detection is not possible. Nago 19:04, 17 September 2008 (UTC)

See Pokemon issue below for workaround that applies to all 128kbit saver games.

Pokemon-Games don´t work! (Workaround)

Pls let me know, if theres a chance to start Games like Pokemon Emerald or Firered on VBA GX? Every time i want to load it...i took much time, and then there was just a white screen! hope that youre working on it, much thx! pls reply here!

This is due to the savetype issue I have identified below. VBA GX uses a default sav file of 64kb. However, Pokemon games require an "unusual" 128kb: the maximum for GBA games is naturally 64kb, 128kb games are sort of a hack. This means that games need either the ability to specify 128kb saves manually, VBA GX needs an autodetect for games that use 128kb saves, or VBA GX should use 128kb saves by default. Nago 17:49, 19 September 2008 (UTC)
now i downloaded many Pokemon Games...t.m.10 times emerald...10 times Fire red(from other providers.....and theres 1 version of fire red that works(USA-version)...but it is as big as the other games...128kb, too!?
I mean, the save size for pokemon games is 128kbit, whereas most GBA games only use up to 64kbit. To get pokemon working, you will have to make a blank 128kbit file and rename it "Pokemon Emerald.sav" or whatever your rom name is. To create a blank 128kbit save file easily, just go into MS DOS and type something like this: copy /B "sav1.sav"+"sav2.sav" "128kbit.sav" where sav1.sav and sav2.sav represent any 64kbit saves you happen to have. they can have data in them already, it doesn't really matter. the output will be 128kbit.sav, a save that is... 128kbit. rename that to Pokemon Emerald.sav (or whatever your rom is named.) and put it in the VBA GX saves folder. Pokemon Emerald should then work just fine. --Nago 15:42, 21 September 2008 (UTC)
Thx Very much works great!

GBA L and R buttons don't work (fixed)

With the version 1.0.0 the Button L and R can't be mapped. Tried with doom II and classic and wiimote controls. -Yod4z GMT+1 22:26

Fixed in 1.0.1 version Yod4z 18 september 2008 GMT+1 11:30

Main Menu BG Screen Flicker

The new Main Menu's background in version 1.0.1 is constantly flickering, possibly seizure inducing for people sensitive to it. SMR Kurosan 21:23, 18 September 2008 (UTC)

Probably due to the fine comb of the background image being resized poorly for your television. It looks fine on my LCD. (16:9, component out.) Nago 02:31, 19 September 2008 (UTC)
Sounds plausible. Hopefully something gets done about it soon. SMR Kurosan 08:42, 19 September 2008 (UTC)
Looks like it will be taken care of: --Nago 15:43, 21 September 2008 (UTC)

In-Game Controls (fixed)

The In-Game controls appear not to be functioning correctly (Tested with Classic Controller and Gamecube Controller.) IE, In Castlevania - Aria of Sorrow, the B button causes the character to attack left, use his subweapon (UP + B) and use his 'R Button' attack all at once. While the A Button appears to act as SELECT, despite the Select button functioning perfectly. SMR Kurosan 21:23, 18 September 2008 (UTC)

After completely wiping and reinstalling VBA GX, the problem appears to be solved. I suspect an XML file left over from my previous installation of 1.0.0 to have been the source of the problem. SMR Kurosan 08:46, 19 September 2008 (UTC)
Yes, if you have used the 1.0.0 version and next juste put 1.0.1 verions on your SD card without removing the vbagx.xml file the controls for A and B buttons are note correct. Please before laucnh new version delete your old xml config file from /vbax/save directory on the root of your SD card. -Yod4z 19 september 2008 12:24 GMT+1

Feature Requests

Use real cartridges?

What do you think of using real cartridges? Could the GBA connected with the Wii through this cable load cartridges to the Wii? Or maybe through Datels Gameboy Player? I ask this, because I don't like the idea of downloading ROMs of games I already own (and do not want to start again). --Woku 07:58, 21 September 2008 (UTC)

I do not think you will be able to obtain a rom image from a cable such as that. The OS of the GBA/GBASP/GBMicro has a specific purpose, and it is very unlikely you'd be able to use a cable for this purpose unless you had a modified firmware or something on your GBA, which... doesn't really exist. You can purchase a linker for GBA carts if you'd choose to prefer to make your own backups instead of downloading them, however. (I own two for this purpose myself.) Nago 16:15, 20 September 2008 (UTC)
And what about this thing: ? The disc seemingly only works as an emulator, too, but our could be much better. Well, how much does an linker cost? --Woku 07:58, 21 September 2008 (UTC)
You might be able to use the thing you linked, though I doubt anyone would spend time coding support for it. You'd need code to be able to retrieve the game from the GCN memory card slot, and I doubt any such code exists. And it's probably a peripheral not many folks have, so I can't imagine it'd be the fore-front feature request. I think your best bet would be to get a dumping device for your carts and just use roms as are already supported. You can get a flash linker for the GBA (usb <--> gba cart) if you can find one, or, if you have a slot 1 devkit for your NDS, there are programs available that can dump the GBA game in slot 2 to the sd card in slot 1. Nago 15:34, 21 September 2008 (UTC)
Actually, Nago, GCN file recieving code exists, like in NuGaSa...availible right here on this site, you should really make sure that the code doesn't exist before saying that. But I think that the linkage is very possible, and a good idea. Zoombus GMT-5 17:29 21 September 2008 (UTC)
Receiving code for that specific cable? Color me surprised. Either way, I never said "there isn't", just "I doubt", "I can't imagine". Does the code that exists have the ability to retrieve the entire rom from the second cable Woku posted? ...Either way, there are many methods of dumping already, and having that ability straight in the emulator sure would be neat, but I am not sure if it is neccessary as such ... how easy is that cable to get, anyway? --Nago 00:30, 23 September 2008 (UTC)
Nago said it all. Sorry, I won't be adding this to the emulator. --Tantric 05:06, 23 September 2008 (UTC)
I don't see anything wrong ethically with downloading roms you already own. This would be lots of work for not much benefit. Felix 08:19, 23 September 2008 (UTC)


RTC (Real Time Clock) Support

Am I dreaming? It seems as though VBA GX supports the RTC for Pokemon Emerald without additional configuration. I am not playing a patched or clockfixed version of Emerald, however I never get the "Battery Dry" message. This is really impressive :) Maybe this should be added to the features list on the wiki? Nago 22:07, 19 September 2008 (UTC)

can u upload this version?pls
Upload what? I am using a stock image of emerald and I'm saying Thanks since it works flawlessly. Additionally, the uploading of copyrighted material here is prohibited. --Nago 15:41, 21 September 2008 (UTC)
VBA has RTC support, and VBA-GX has a functional version fo this, thanks to softdev. VBA-M, which I've now successfully ported, has even better support. I'll be releasing a new version after it's been fully tested. --Tantric 05:15, 23 September 2008 (UTC)
Hot damn. Allow me to say that I am your biggest fan as of this week with the new VBA, Snes and FCEU GX releases. Absolutely brilliant work, and don't let all the bug reports and endless feature requests get you down. These emulator ports are pure brilliant, and trust me, they're quite well appreciated. --Nago 03:07, 24 September 2008 (UTC)

buttons acting weird!!!

the 2 button in pokemon ruby acts like start, and in all games pressing 1 the cracters actt weird... Can anyone solve this???

Read Talk:Visual_Boy_Advance_GX#In-Game_Controls_.28fixed.29 -Yod4z 21 september 2008 12:58 GMT+1