[hatari-devel] Hatari VDI mode colors issue

[Thomas Huth]

On Fri, 14 Aug 2009 09:34:16 +0200
"Thomas H." <th.huth at gmx.de> wrote:

> > Thomas, maybe you have an idea what colors are used when in vdi
> > mode.
> 
> As far as I can tell, the problem is that in VDI mode, the code does
> not call Video_StoreFirstLinePalette() anymore - it was called from
> the HBL function, but since I've disabled HBLs in VDI mode, this does
> not happen anymore. So HBLPalettes does not get initialized
> correctly, and Screen_CreatePalette() then sets the wrong colors.
> Since HBLPalettes is also set in Video_ColorReg_WriteWord() if
> bUseHighRes was "false", the colors were still fine in non-monochrome
> modes. But since this function is only used in ST & STE mode, the
> colors might still be wrong when running VDI resolution in Falcon and
> TT mode (I haven't tried it yet).
> 
> One possible fix could be to call StoreFirstLinePalette() from the
> VBL function when running in VDI resolution mode. I'll try that
> tomorrow (don't have time today)...

I came back a little bit earlier from work today, so I had the
possibility to have a look at the problem again.
I was right, calling StoreFirstLinePalette() from the VBL handler fixes
the problem, so this should be fixed now in the current hg version.

 Thomas