// Searches 1 pixel to the left and right, in both the old
//  and new fields, but takes vertical averages. These are odd
// pixel addresses. Any chroma match will not be used. (YUY2)
     MERGE4PIXavgH("-2(%%"XDI", %%"XCX")", "(%%"XDI", %%"XCX")", "(%%"XSI", %%"XCX")", "2(%%"XSI", %%"XCX")") // left, right
     MERGE4PIXavgH("2(%%"XDI", %%"XCX")", "(%%"XDI", %%"XCX")", "(%%"XSI", %%"XCX")", "-2(%%"XSI", %%"XCX")") // right, left