+       omx = bmx; omy = bmy;
+       for( i = 0; i < i_me_range/4; i++)
+       {
+            for( j = 0; j < i_me_range/4; j++)
+            {
+                COST_MV_X4(4*i,4*j,4*i,-4*j,-4*i,4*j,-4*i,-4*j);
+                if( !CHECK_MVRANGE(bmx, bmy) )
+                    break;
+            }
+       }
+        if( bmx != omx && bmy != omy && CHECK_MVRANGE(bmx,bmy))
+            DIA2_ITER(bmx,bmy);
+        if( bmx != omx && bmy != omy && CHECK_MVRANGE(bmx,bmy))
+            DIA1_ITER(bmx,bmy);
+        if( bmx != omx && bmy != omy && CHECK_MVRANGE(bmx,bmy))
+            DIA1_ITER(bmx,bmy);