![]() The real aspect ratio of a game is 4/3 in fullscreen. Resolution is 240 (vertical) but only 224 pixels are displayed. (LCD pixels aren't exactly square, lets forget that). (PP or Pixel Pefect can be used only with square pixel). There is a lot resolution and lot of game console, so we must only try to respect 4/3 format on your monitor.įor best image quality, we must use Integer Scale. SMS use only 256x192 but the resolution is 256x240. On your link, you can see all consoles use 240 pixels (vertical) but not all viewport is used. In other words, any console meant to be played would have the same fullscreen viewport ?īut is you activate Integer Scale, the size would be : 1280x960 The core scales the game to 1440x1080 on a 1080p screen. 4/3 = 1.33 !!Ī game is done to be seen on a 4/3 screen in full screen ? So is aspect ratio is 4/3 but not X pixels/Y pixels.ĬPS1 games have 384x224 resolution. Pixels are not square on TV, NES and others plateformes.ĭouble Dragon is made to be seen on a arcade monitor, a 4/3 screen in fulsscreen. This is a 4x5 screen (1280x960) but the result is 4/3 screen. It is pixel perfect (or integer scale on) so the scanline is perfect. This is a true 4/3 aspect ratio of a NES screen. The aspect ratio of an image describes the proportional relationship between its width and its heightĢ56/240 (or 16/15 ) is not the Aspect Ratio. Let me know what you think or if you need any help.NES screen is done to be seen on a 4/3 CRT in full screen, so NES is 4/3 Aspect Ratio. Scanline with aperture grille 50% opacity Scanline with aperture grille 75% opacity Scanline with aperture grille 100% opacity You can do this in firefox by right clicking the image and selecting ‘VIEW IMAGE’Ĭloseup image showing the 2 overlays in use at 2x the size and at various opacity levels: Be sure to view these at full resolution otherwise they won’t look correct. ‘OVERLAY OPACITY’ and adjust the opacity by pushing left or right.īelow are some example screen captures. ![]() You can change the opacity of the overlay to your own preference by going to: ![]() ‘ scanline-grille-1080p-224.cfg‘ is scanlines with an aperture grille effect as well ‘ scanline-1080p-224.cfg‘ is just scanlines Once in Retroarch go to the menu and under settings goto:Īnd from here select one of the overlay configs that you copied over. Then: ‘USE VIDEO OUTPUT RESOLUTION’ (assuming that you have your rpi set to 1080p). You can set this by pressing ‘x’ after selecting a game. To use the overlays unzip the archive which I will link to below and copy the directory to the following location: /opt/retropie/emulators/retroarch/overlays/effects/scanlinesĮnsure that retroarch is rendering the display at 1080p. This includes CPS1, CPS2, Neogeo, Genesis/Megadrive, Snes and many others. To start with I’ve created two overlays suitable for use with systems that have a vertical resolution of 224. ![]() The downside of this approach is you can’t have a “one-size fits all overlay” as there are several different resolutions that systems use and so you need a different overlay depending on the vertical resolution of the game being played. My overlays are pre-scaled so that they match perfectly with the scaled game image. Most other scanline overlays are designed to be used with integer scaling switched on but the downside of this is you either have a black border or lose some of the image. I wanted to use scanlines but also wanted to display games using the full height of my TV so have created some retroarch overlays to achieve this. ![]()
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