Re: Composite Sync

ozcan-vUXufGHlobvxrUJzYsk5HlAUjnlXr6A1-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org wrote:
> Hello,
> Some cards are capable of producing composite sync(Radeon series). Is there a way to exploit this on advance linux programs, in modelines? For example,
> 
> "720x480" 15.246 720 762 834 968 480 484 491 525 interlace +hsync +vsync
> For example in this modeline, I only need to instruct to give composite sync signal to be able to drive my Radeon to my TV.
> You can visit ryoandr.free.fr for detailed information.
> 
> Please help, thanks!
> --  
> Gökalp Özcan
> 
> 
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This is certainly possible, under X atleast.

The line would look like this:
"720x480" 15.246 720 762 834 968 480 484 491 525 Composite Interlace

Or

mode "720x480"
   geometry   720 480   1024 8172   8
   timings    65590   134 42   34 4   72 7
   csync high
   laced true
endmode

in fb.modes should work, I reccon.

I don't think Advancemame implements this as of yet, but it shouldn't be 
hard for Andrea to do, just instruct the radeon framebuffer driver to 
give csync high signals

/Patric


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