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Thread Tools | Display Modes |
23-01-2011, 11:13 PM | #1 | ||
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How to increase the resolution in DOSBox?
I currently play Daggerfall and looked for a way to increase the resolution.
I found this: http://theelderscrolls.wiwiland.net/...erfallSetup_EN I have a 1920x1200 screen resolution, so I changed fullresolution=original to fullresolution=1920x1200. The resolution seems to have changed but in full screen the picture stays in windowed size, the rest of the screen remains black. I put a screenshot in the attachment. In addition, when I change to fullscreen now, DOSBox goes back to windowed mode after about a second, but only when the game runs. Any idea how I can have the 1920x1200 resolution in fullscreen? Thanks. |
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23-01-2011, 11:57 PM | #2 | ||
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No idea why DOSBox should fall back to windowed mode... O_O
You did right with fullresolution, but you also need to change "scaler": anything but the default "surface" value will fix your problem, pick "overlay". Also change "aspect" to "true". Quote:
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24-01-2011, 12:38 AM | #3 | ||
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Quote:
The image stays in the middle with the rest of the screen black, like in the screenshot I've attached to the original post in this thread. Furthermore when I set output=overlay the screen goes back to windowed mode again after ~one second. |
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24-01-2011, 12:52 AM | #4 | ||
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Changing output is a must, because surface is the only one that doesn't support scaling.
The problem about fullscreen going back to windowed is very strange, perhaps the drivers are responsible. Try every possible option for "output" in case one of them works for you. Are you sure 1920x1200 is supported by your hardware? Check the desktop display properties. Also, be aware that if and when this works, you don't really get higher resolution per se (but you do get better scaling). That is, you will see the image as pixelated as originally in an old monitor. This is unless you also change "scaler" to anything but normal2x or normal3x; but this only reduces the pixelation of the edges in exchange for blurring the image, and I can't really recommend it. Obviously, you can't make a high resolution image out of a low resolution one. Playing DOS games isn't about good graphics anyway. Now I gotta go to sleep...
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24-01-2011, 01:14 AM | #5 | ||
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Quote:
Looks like the "going back to windowed mode" problem was caused by the xBox 360 controller I had plugged in an USB port. Still, the picture remains small in the middle of the black full screen. What do I have to do to make the picture expand across the full screen? |
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24-01-2011, 05:51 AM | #6 | ||
Join Date: Oct 2004
Location: Opole, Poland
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Overlay output doesn't support scaling to anything else than multiples of the original resolution. Switch to ddraw.
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24-01-2011, 06:15 PM | #7 | ||
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Quote:
But, AnyKey, do experiment with any possible option for output. Also try changing scaler, even to and fro the 2x and 3x--although as far as I know there's a difference between those only when resolution=original... Bear in mind this may be a driver issue, in that land there are lots of particularities and bugs beyond DOSBox's control. There's a test can make: take a screenshot while fullscreen, but not with DOSBox, rather with Windows (PrnScr). Then paste the image somewhere (MS Paint) and measure the actual resolution of the image finally sent by the graphic card. In case this should not be what you expected (1920x1200), that would really explain this and may point to a cause. I'm intrigued by this, because graphic scaling is a part of DOSBox at the same time complicated and grossly undocumented and hugely important.
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24-01-2011, 08:36 PM | #8 | ||
Join Date: Oct 2004
Location: Opole, Poland
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That's how I remember it behaving on my machine. I might be wrong.
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25-01-2011, 03:15 AM | #9 | ||
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Thanks, I use ddraw atm and the picture is stretched almost across the whole screen, but only almost. It remains a broad black stripe on each side. What can I do that the whole screen is used, without any black bars?
Edit: Screenshot direct link: http://i55.tinypic.com/mv17c4.jpg Last edited by TheAnyKey; 25-01-2011 at 03:21 AM. |
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25-01-2011, 05:27 AM | #10 | ||
Join Date: Oct 2004
Location: Opole, Poland
Posts: 14,276
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On widescreen monitors, this is as good as it gets. The game uses a 4:3 aspect ratio, like most DOS games, whereas your monitor's aspect ratio is 8:5.
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