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

From: Gerrit Heitsch <>
Date: Fri, 1 Sep 2017 11:21:54 +0200
Message-ID: <>
On 09/01/2017 10:46 AM, smf wrote:
> On 31/08/2017 22:58, wrote:
>> When I was pushing that, I was almost sure everything could be handled 
>> and corrected. The eventual show-stopper was when I realised that odd 
>> and even fields are actually of different duration and there is no way 
>> to make VIC-II generate make every other field longer/shorter.
> If you could adjust the VIC II timing externally then it would likely 
> upset a game or demo.
> It's weird that some modern tv's have problems with 240p from analogue 
> inputs (including component). However they appear to be ok when fed HDMI.
> I wonder how we could pursuade the people churning out the Wii & PS2 
> component to HDMI adapters that there was demand for a c64 y/c to HDMI.

... or see if you can make a 'simple' circuit that takes Y/C on the 
input and provides component on the output. The TDA4510 does that if I 
read the datasheet right. Not sure if it's still available.


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Received on 2017-09-01 10:00:03

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