Weird curling issue on top corners of screen

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  • #24372
    RetroWorldSeries
    Participant

    I’ve got an issue where these fluttery curls are occurring at the top left and right corners of the screen. I’ve tried 2 different VGA CRT monitors with the same issue.

    CUrrently its OSSC -> Tendak HDMI to VGA -> CRT Monitor. Seems to be the worst in line4x mode.

    Could this be the OSSC settings or the Tendak?


    #24373
    BuckoA51
    Keymaster

    Not seen that since the XRGB3 days. Try Allow TVP HPLL2x and H-PLL Pre-Coast and post coast options see if they do anything.

    #24383
    RetroWorldSeries
    Participant

    I think it may be the Tendak. I took everything downstairs and hooked it up to my Plasma TV.

    First test was OSSC -> Tendak -> Victsing VGA to HDMI adapter -> TV
    Color sucks, the issue is still there

    Second test was OSSC -> TV
    No issue. Color and quality looks great

    #24391
    paulb_nl
    Participant

    Does this only happen with the NES?

    #24392
    RetroWorldSeries
    Participant

    So far it seems to be the case.

    When I run my SNES, Saturn, N64, and Dreamcast (VGA) from the OSSC to the Tendak to the CRT Monitor, I get no issues

    Either its an OSSC issue or the Tendak doesn’t like the NES timings. When I run the NES to the OSSC straight to the Plasma TV, I get no issues.

    #24394
    Harrumph
    Participant

    No it’s a NES issue with jittery sync. Apparently your Tendak has problems with this while your TV does not. Some displays will not accept the picture at all. You can get the de-jitter mod if you like to completely fix the issue.

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