anchor.diff:  
   function TfmCharmaps.DoGetCode(aCol, aRow: integer): integer;
   begin
  -  if not FUnicode then
  +  if not FUnicodeMode then
       Result:= aCol-1 + (aRow-1)*16
     else
       Result:= aCol + aRow*16 + FUnicodeBegin;
  
positive.code:   Str: string;
    i, j, code: integer;
  begin
    FUnicode:= false;
    comboAnsi.Visible:= not FUnicode;
    comboUnicode.Visible:= FUnicode;
  
    Grid.Clear;
    Grid.RowCount:= 17;
  
negative.code: var
    nBegin, nEnd, i: integer;
  begin
    FUnicodeMode:= true;
    comboAnsi.Visible:= not FUnicodeMode;
    comboUnicode.Visible:= FUnicodeMode;
    chkHexTitle.Enabled:= false;
  
    PanelInfo.Top:= 10;
    Grid.Clear;
  