On Tue, May 1, 2018 at 12:26 PM, Peter Graf via Ql-Users <
ql-users@lists.q-v-d.com> wrote:

> Dave Park via Ql-Users wrote:
>
> > What are the frames per second and number of lines in the image?
>
> Originally 72 Hz, 512 visible lines.


​Even just counting the visible pixels, the upgrade position looks
untenable.​

​512x256x72  =​  9,437,184 dot clock
​800x600x50  =​ 28,800,000     "
​800x600x25  =​ 14,400,000     "
​1080x720x30 =​ 19,440,000     "
1080x720x15 =  9,720,000     "
1080x720x12 =  9,331,200     "

Hmmm, I see the limitation...

It strikes me that 1080P at half intended frame rate, then externally frame
doubling using new hardware on the output would give 1080P/24, /25 or /30,
but... It requires an external frame doubler. That could be as simple as a
pair of FIFOs and a small CPLD though.

I wonder if 12fps would cause people to complain about responsiveness
during online gaming ;)




-- 
Dave Park
d...@sinclairql.com
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