On 8/8/06, James Richard Tyrer <[EMAIL PROTECTED]> wrote:
Simply XORing H and V inverts H sync during V sync resulting in the monitor using the end of the sync pulse as the sync signal during the vertical sync pulse. Since the vertical sync pulse is at the start of the vertical blanking interval, the horizontal oscillator has that time to again achieve lock at the proper phase. However, if this is going to cause "flagging" on high resolution monitors, it can be cured by having the video controller advance the horizontal sync pulse by the width of the pulse during the vertical sync pulse.
That would have precisely the effect I was describing.
This is best done in hardware rather than software since it is *only* for composite sync.
Well, when we're discussing our programmable video conroller, is it hardware of software? :) _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
