$backAtt[$destRow][$destCol] = 
                 $current->{'backAtt'}[$row - 1][$col - 1];

            $self->{'zBuffer'}[$destRow][$destCol] = $active;

            substr($backTxt[$destRow], $destCol, 1) = 
                 substr($current->{'backTxt'}[$row - 1],$col - 1, 1);