[Coco] Coco 3 pixel clock
msmcdoug at iinet.net.au
Tue Oct 9 17:54:41 EDT 2007
Christopher Hawks wrote:
> It looks great (with my Hsync delay circuit to center
> it), but appears to be missing about every eighth dot on the screen. If
> I move the display horizontally, the missing dots change so I suspected
> it is a difference in pixel clock rates. This occurs in all resolutions
> (640, 320, and 256).
If you _really_ wanted to, you could probably implement a pixel-clock
converter with a CPLD and some video RAM as a line buffer... there might be
a simpler way (I'm no video guru) but that's how you'd do it inside an FPGA...
| Mark McDougall | "Electrical Engineers do it
| <http://members.iinet.net.au/~msmcdoug> | with less resistance!"
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