Real GBA/GBC/GB screen size (Pixel Perfect with NO stretch)

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Describe the enhancement desired or suggested change:

Is there a way of having GBA, GBC and GB screens to display on their native 
real pixel size resolution? As far as I noticed, the emulator stretches the 
image filling up the screen - breaking the correct pixels aspect ratio. 

It could be great to have the screen running on a real size, and also, to get 
the 240p support (for CRT 480i TVs) just like NES and SNES have. NES and SNES 
are simply perfect, the pixel aspect ratio is superbly correct and they are 
amazingly AS IS the original consoles.

Please use labels and text to provide additional information.

I can provide any help if needed, just like testing dev versions, info on GBA, 
GBC and GB screensizes, etc etc. I have been behind such request for many 
consoles during the Xbox 1 Scene epoch, and I even have a complete site with 
some useful information on Pixel Perfect settings. Please feel free to take a 
look here - http://fancyxbox.info/?doc=1&secao=screen

Please note THERE IS NO COMMERCIAL DOWNLOADS, NO ROMS, etc. It's just INFO and 
downloadable skins.

Original issue reported on code.google.com by pixeltem...@gmail.com on 13 Jun 2011 at 11:58

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Original comment by dborth@gmail.com on 14 Jun 2011 at 4:28

• Changed state: WontFix

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Dear dborth,

After your negative feedback I decided to inspect the emulator deeper, once 
more, and surprisingly I found a solution for my problem/feature request! It's 
so simple! I think it is important to mention it here:

The solution resides on the ZOOM option.
YES! Right on the spot...

For a 480i CRT TV, if you turn [b]FILTERING OFF[/b] and adjust
[b]image zoom to 75%[/b] you will have a perfect 1x1 pixel screen aspect ratio,
no distortion, no artifacts, superbly correct!
WOW... I am very happy about this...

The only thing I miss now is the "240p" effect, just like NES and SNES (and
most Virtual Console) provide. But since you already said "WontFix" I will let 
my hope go down, after all the most urgent part was the pixel perfect issue, 
and now it is solved!

Best Regards!
Cospefogo.

Original comment by pixeltem...@gmail.com on 15 Jun 2011 at 10:52

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Cospefogo, you should check the information I posted over on the WiiBrew wiki 
Discussion page for vbagx: 
http://wiibrew.org/wiki/Talk:Visual_Boy_Advance_GX#How_to_get_.22Pixel-Perfect.2
2_Rendering_in_VBAGX

If you've only set your horizontal scaling to 75%, you're only half done, heh. 
You also need to set a vertical scaling factor too, in order to make it perfect.

Original comment by AaronD...@gmail.com on 15 Jun 2011 at 5:48

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Hi Aaron! It's very nice to meet someone else as picky as me when regarding 
correct pixel aspect ratio. And yes... I found out my settings by reducing to 
75% on width and 75% on height... horizontal + vertical indeed.

Anyway, thanks soooooo much for your link. I have been requesting such 
information for many weeks... I am suprised to not come across that discussion 
page earlier. I will test that settings tonight!

Best regards,
Cospefogo.

Original comment by pixeltem...@gmail.com on 15 Jun 2011 at 5:56