Video Clocked output and VGA

well, I think I've understand what's the problem.

I think clok settings i made are correct, but they are correct for video streams with the same frame input/output rate.

pal is 50 (760*288) frame/second, so (after clipping the imageas 640*240) the deinterlacer would output one frame for each field, so i will obtain 50 (640*480) frames as output.

But VGA output I need is 60hz, it means that i need 10 frame second.

And I suppose I have no other choice to use the Nios to enable the frame rate conversion.

Isn't it?

once last consideration: if i use NTSC as input, my system should work properly.

Am I right?

RA2M, thanks a lot for you help.