Re: [hatari-devel] bad screen rendering with Falcon/TT + vdi ?

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 14/10/2016 à 00:12, Nicolas Pomarède a écrit :
> Hi
>
> as reported here :
> http://atari-forum.com/viewtopic.php?p=303493#p303489
>
> Falcon with extended vdi resolution 1024x768 gives bad rendering.
>
> I can see the same if I use 672x480 (instead of the default 640x400) :
> gfx are shifted on each line as if the correct number of bytes per line
> was not applied.
>
> Same problem happens with TT mode and tos and extended vdi res of 672x480.
>
> I'm not too familiar with VDI mode as I rarely used it, maybe I need
> some other config parameters ?
>
> Note that only the Atari logo is distorted during boot. After that the
> GEM desktop appears and is correct, except only the top of the desktop
> is visible, the rest is just white.
>
> The problem during boot might be because vdi is not used by tos this
> early in the  boot process ? After that memory test is correctly displayed.
>
> Display is bad too under Hatari 1.9, but desktop was correct under 1.8 ;
> is this a regression ?

Seems it works under TT mode and the problem is when using Falcon mode 
(I had the feeling it didn't work under TT, but now it works again, so 
.... At least Falcon mode remains broken)