So doesn't anyone have any idea about this?
--- In "gamehoser" <> wrote:
>
> I just spent the last few hours banging my head against the wall
> trying to figure this out. I've read a couple of documents online
> about constructing VGA compatible output from an FPGA. I have
> successfully divided the 75MHz clock and produced horizontal and
> vertical sync pulses that my monitor is happy with and I can verify
> that it is properly syncing to them. However, no matter what I try I
> can't seem to output any color data. I have attempted writing to
> red_pad, green_pad, blue_pad to no avail and I've also tried writing
> straight to the headerpin_o pins that they should correspond to and
> I'm having no luck there either.
>
> There is a comment in the open core file ts7300_top.v that says that
> pin 18 can be externally driven high to disable the VGA DACs. I'm
> doing no such thing, but it sure is behaving like they're disabled.
> Is there some other modification I have to make to the open core
> template as given in order to be able to drive VGA signals out the DACs?
>
> Any help would be much appreciated.
>
> James
>
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