SNES Shadow-like Ghosting / Trailing

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Viewing 7 posts - 1 through 7 (of 7 total)
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  • April 22, 2019 at 5:55 PM #25967
    Steo
    Participant

      I’ve noticed the last while when playing Super Mario Bros. 2 that if I’m near a bright area like the white clouds behind me or the sky, I can see a ghosting or trailing effect of stuff to the right. For example, a beanstalk is the most noticeable one and you can see that the trails are also animated. It’s a one chip PAL model, would this be the unit itself or the cable? I’m using a GameCube cable and I turn ADC Gain down to 5 to eliminate the bright colours clipping, but if I had the other cable with the in-line resistors, I feel like the issue would be still present.

      It’s not entirely bothersome, but it’s just the fact that it’s there and I wonder if it’s normal or not. I’ll try to get a picture if I can or else just grab a 2x screenshot with my capture card and see if it turns out on it.

      April 22, 2019 at 6:23 PM #25971
      nmalinoski
      Participant

        What kind of SCART cable are you using? Is it a high-end one, like those from Retro-Access or Retro Gaming Cables, or is it a cheap, third-party one?

        April 22, 2019 at 6:27 PM #25972
        Steo
        Participant

          It’s one from Retro Gaming Cables. If I knew it was related to needing the resistors I’d just add them myself since I plan to get a GCHD for the GameCube anyway.

          April 22, 2019 at 9:40 PM #25974
          noodohs
          Participant

            It’s normal for 1chip systems. There was a whole thread over on Shmups about it, but you can read a summary and see the fix here: https://retromods.game.blog/snes-sfc/snes-1-chip-ghosting-fix/.

            April 25, 2019 at 8:08 PM #26021
            Steo
            Participant

              I see, I had honestly never noticed it before and when I first did I suspected it was because that cable was cheap. I noticed the ghosting is still there even on RF so it’s definitely the console. I just wonder if it’s worth my while or if I’d be better off getting a Super NT at some stage of it bothers me that much.

              April 29, 2019 at 3:30 PM #26091
              noodohs
              Participant

                Up to you, really. The fix is pretty easy (and cheap) if you have a soldering iron, but, as you probably read, it’s also not perfect since it causes some minor issues in certain games. I’ve been quite happy with the results, though. Using a non-1-chip system with the reverse LPF on the OSSC might also be a good compromise. The Super NT has had most of the kinks worked out at this point, I think, so it’s also a good choice.

                April 30, 2019 at 10:49 AM #26092
                PugHoofGaming
                Participant

                  I replaced my C11 yesterday (alongside the three resistor brightness fix), and it was far easier than I expected. Despite the components being very small, it’s relatively easy to remove the existing C11 by overflowing solder and heating it up. It’s definitely recommended for 1chip systems, especially is it only takes a few minutes to do, and the component is so cheap.

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