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Thread: Scandoubler / Flicker Fixer for A2000, A3000, A4000 Amigas by Matthias Heinrichs

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    8 Bit Dreams DjCook's Avatar
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    Default Scandoubler / Flicker Fixer for A2000, A3000, A4000 Amigas by Matthias Heinrichs

    Hello,
    Offering a Flicker Fixer / Scandoubler for big box Amigas (OCS/ECS & AGA) from DIY project designed by Matthias Heinrichs
    https://gitlab.com/MHeinrichs/multifix-aga

    A scandoubler doubles the horizontal frequency of the Amiga output from ~15.6kHz to ~31.5kHz to let a VGA monitor think it has the double number of lines.
    In interlace two suceeding lines are transmitted via half frames @25Hz. A flicker fixer stores one frame in a field mem and uses it to complete the second frame @ 50 Hz. It removes the nasty interlace flicker.
    Two switches allow some nice options:
    Switch 1 activates a true bypass, for Multisync-Monitors
    Switch 2 activates a true blank-signal for full black detection: many TFT-Displays display a dark grey instead of a real black. This fixes this issue for some games. However the Workbench will get much too dark with this option activated.

    Click image for larger version. 

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    This is perfect add-on if You already have GBAPII++ Graphic card, these two cards may be connected internally, in that way switching between RTG & VGA mode is seamless!

    Currently following resolutions are supported:
    * LoRes
    * LoRes Interlace
    * HiRes
    * HiRes Intelace
    All above are supported in PAL and NTSC Mode. However, the PAL Amiga cheats a bit on NTSC timing, thus many TFT show some strange vertical line artefarcts in NTSC-mode.

    Asking price 110€

    PayPal as a friend/family, or add 4% to cover PayPal fees
    Also IBAN payment is accepted
    Postage fees are 8,50€ to any country (tracked & insured)
    (5,49€ for Germany)
    thanks for watching,

    -8 Bit Dreams
    Last edited by DjCook; 21st March 2020 at 09:33.
    8 Bit Dreams - computer & hardware repair in Germany

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    Sanxion's Avatar
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    Hi

    Do you have any available that are assembled?

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    8 Bit Dreams DjCook's Avatar
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    Have only one card to sell,
    Board is assembled and ready to go,
    May be shipped today if payment incomes till 11:00AM (post office closing at 12:00)

    Other one is offered as a combo with RTG Graphic card in a separate thread
    Last edited by DjCook; 21st March 2020 at 09:30.
    8 Bit Dreams - computer & hardware repair in Germany

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    Finger lickin' good Amibayer! matt020's Avatar
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    Hello, I am looking for a flicker fixer for my A4000.

    Is this card definitely a flicker fixer for AGA?

    Is Germany shipping to places outside of Germany?

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    8 Bit Dreams DjCook's Avatar
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    Quote Originally Posted by matt020 View Post
    Is this card definitely a flicker fixer for AGA?
    Yes, it is,
    https://gitlab.com/MHeinrichs/multifix-aga
    Quote Originally Posted by matt020 View Post
    Is Germany shipping to places outside of Germany?
    No problems with shipping,
    borders are closed for traveling though...
    8 Bit Dreams - computer & hardware repair in Germany

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    8 Bit Dreams DjCook's Avatar
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    now offered elsewhere
    8 Bit Dreams - computer & hardware repair in Germany

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    8 Bit Dreams DjCook's Avatar
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    this one can be closed,
    card was sold elsewhere
    8 Bit Dreams - computer & hardware repair in Germany

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