![]() Those changes are performed before any additional scaling done with fullresolution setting. Note: the scaler setting under is also able to scale up the original resolution to some degree. Many games will be below the minimum resolution supported by modern video cards, so DOSBox will scale the game up to at least that minimum. (800 x 600) if the former is not available. For example, if a game in DOSBox is requesting a graphics screen resolution of (320 x 240) while your desktop is (1920 x 1200), DosBox will switch to (320x240) or the next highest resolution supported by your GPU drivers, e.g. Default to full screen: To specify that DOSBox always open in full screen, change the fullscreenfalse line to fullscreentrue. If original resolution is less than desktop resolution, DOSBox will switch the screen resolution to the closest match requested by the game or application. When DOSBox is running, you can press Alt-Enter to switch between full screen and windowed mode at any time. Original is the game's default or chosen (through setup.exe or in-game menu) resolution. Also, your video card driver may need be reconfigured to prevent your GPU doing the upscaling before it reaches your TV as a prepared 1080p signal.Fullresolution = width x height | original | desktop Scale the application to this size IF the output device supports hardware scaling (i.e. Some displays don't allow this, and others still don't like outputting 640x480 and just treat it as an analogue signal over HDMI. Of course, DOSBox's very buggy nature means that this can be very unpredictable in terms of what actually happens.Īlternatively, you can also set the fullscreen resolution to an absolute multiple of your game's resolution and then configure your TV or monitor manually to output a pixel perfect display: On an 1080p HD monitor or TV, this should output a 640x480 framebuffer upscaled 2x to 1280x960 and centred on a 1920x1080 display, with the customary 4:3 aspect ratio black borders to the left and right as well as 60-pixel borders at the top and bottom. So: if you have a DOS game that ordinarily runs at 640x480, your best bet for pixel-perfect scaling is to run with the following settings: This is important in combination with "output=overlay" and "aspect=false" in that it preserves pixel-perfect upscaling, unless the resultant upscaled resolution is less than your fullscreen resolution, in which case it'll downscale it again with less than ideal results. Haltech E6A installed and tuned in dos using dosbox emulation. The Daum Café DOSBox build (and probably a few other custom builds) also supports normal4x and normal5x. Flexible Tacho Output Soft and hard rev limits Main Ignition Functions Throttle or MAP as. On the resolution that your game uses, you should be able to bump up the scaler to normal2x or normal3x. There's not a single standard resolution that vertically divides neatly into a 1080p display resolution, so if you want pixel perfect scaling, you have to "put up" with black borders (however, by way of exception, if you have a 4K display, a vertical resolution of 2160 does divide neatly into 240 for 320x240 games). You can achieve a 1:1 pixel scale by settingįor most games running in common resolutions like 320x240, 640x400 or 640x480, that'll give you a very small display on your monitor/TV in fullscreen mode that should match the pixel output of the game precisely to your monitor or TV's output (unless your device doesn't output 1:1 even in native resolution, for instance if you have some kind of overscan or underscan problem).Ĭommon resolutions back in the 1980s and 1990s were 320x240, 640x400, 640x480, some later games also used 800圆x768. I know it's not everyone's thang but I prefer to avoid any kind of filtering (even bilinear filters) and to keep the pixels as clear, visible, square and equal as possible - otherwise known as pixel-perfect scaling. I personally don't consider them to be an improvement of any kind - outlines look horribly inconsistent and detail often gets lost when techniques such as dithering are used. There's some rather irritating sporadic blockiness there.Īlso, it's probably worth mentioning that the edge filter shaders like Supereagle are very much a matter of taste. Not a bad video on the whole, although you need to work on how your video renderer is compressing the final video. I want to know the output of this code in DOSBox and I want a screenshot. In my middle-age phase I tend to forget how young gamers on gaming forums can be :)
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