Am 01.05.2018 um 20:55 schrieb Thierry Godefroy via Ql-Users:
> On Tue, 1 May 2018 19:26:56 +0200, Peter Graf via Ql-Users wrote:
>> Most flatscreens misunderstand the signal as 800x600, leading to bad
>> interpolation.
> Among the 3 LCD monitors I own, only the latest is able to (badly) sync
> the Q60 video signal and it does as if it would be a 640x480 VGA mode
> with 38.3KHz horizontal and 71.4Hz vertical frequencies, so the sampling
> of the pixels is extremely bad, and it fails to display the last 32
> lines...
> Interestingly, my last functionning CRT monitor, that displays the Q60
> mode just fine (thanks to the 100% analogous processing of the signal),
> also reports a 640x480 38KHz/71Hz mode.

Sorry I wasn't precise. I was not referring to the original signal, but
the general issue with 1024x512, after improving timings for flatscreen
already. I generated more suitable 1024x512 signals (with relaxed
front/back porch timings) that are accepted but misunderstood.

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