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Increase limit on Horizontal Mask (overscan) (Game Gear TV-out)

Home Forums OSSC OSSC – Feature Requests Increase limit on Horizontal Mask (overscan) (Game Gear TV-out)

This topic contains 4 replies, has 3 voices, and was last updated by  paulb_nl 3 weeks, 1 day ago.

Viewing 5 posts - 1 through 5 (of 5 total)
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  • #14375

    cr4zymanz0r
    Participant

    Topic title basically says it all.

    When using a Game Gear tv-out board, it just outputs the native resolution (160×144) in the center of screen, but a lot/most games will have garbage colors and such in the overscan area.

    With the current mask settings it doesn’t let you go high enough to cover the horizontal overscan, and the vertical mask is only sufficient for covering the whole vertical overscan if you’ve got it set to line 5x.

    #14800

    cr4zymanz0r
    Participant

    Any consensus on this? 😛
    I don’t know what the OSSC firmware looks like code wise, but I’d assume this is probably as minor as changing a couple of values in the code to set a higher limit.

    #14806

    marqs
    Participant

    It’s on TODO list, should appear on the next fw.

    BTW, isn’t that garbage visible on a CRT? Current mask range should easily cover CRT overscreen area.

    #14822

    cr4zymanz0r
    Participant

    Game Gear “overscan” area when using TV-out mods is larger than a normal CRT overscan area. It’s visible even on a CRT. It’s kinda like playing Gameboy games on Super Gameboy, except instead of nice borders you’ve got garbage colors and such depending on the game.

    #14862

    paulb_nl
    Participant

    If your display supports zooming in by decreasing H.active and V.active in Advanced timing tweaker then you might be able to cover more with the mask.

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