Re: Difference in luma-chroma delay of C64/C128 compared to standard S-video

From: Gerrit Heitsch <>
Date: Sun, 3 Sep 2017 00:10:38 +0200
Message-ID: <>
On 09/02/2017 11:58 PM, Mia Magnusson wrote:
> But isn't this even how the clock in a C64 is already? We know that the
> h-sync frequency is wrong to avoid some PAL dot crawl. (Dot crawl is
> kind of a feature of PAL...).

I thought dot crawl happens if pixel clock and color clock are not in 
sync? Like on a ZX Spectrum. With the discrete PLL in the C64 (and later 
the 8701), dot clock and color clock are in sync and that prevents dot 


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Received on 2017-09-02 23:00:24

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