Re: [hatari-devel] video freq set to 60 Hz instead of 50 Hz for Falcon VGA

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 25/02/2024 à 17:18, Laurent Sallafranque a écrit :
> Ok, I'll have a look. Which test was it ? (just to compare with previous 
> hatari versions) ?

Hi

sorry, forgot to reply to this ; my test was with a custom made program, 
so not sthg that can be trusted.

Are there any demo running in VGA 60 Hz ? If so, it would need a check 
to see if this demo is still playing sound correctly now that Hatari 
does 60Hz and not 50 Hz as it did before.

Nicolas

> Le 25/02/2024 à 15:38, Nicolas Pomarède a écrit :
> > Hi
> >
> > I noticed that so far video vertical freq was set to 50 Hz when using 
> > Falcon with a VGA monitor, which doesn't seem to be correct.
> >
> > VGA mode can give many vertical freq (by tweaking the correct HW 
> > registers) but for the default GEM desktop it should be 60 Hz
> >
> > 50 Hz is used for RGB and TV types.
> >
> > Eero or Laurent, as I think you're more familiar with Falcon than me, 
> > can you check if this breaks something with demos known to work in 
> > Hatari and VGA mode ? (especially for the audio part, it sounds choppy 
> > in one of my test, but I'm not sure this test would work anyway with 
> > Hatari :) )
> >
> > Nicolas