Types

       Type
         TextFormats       = LeftText..RightText;
         JustifyFormats    = LeftText..OutSideText;
         XYType            = (CursorX,CursorY);
         XYPosData         = Array[1..MaxXYSaves] of
                               Array [XYType] of Byte;
         KeyBufferFunction = (Clear,Save,Restore);


    TextFormats will be used to format text.

    XYType and XYPosData  will  be  used  to  store information about the
    cursor position.

    KeyBufferFunction defines what functions  can be used on the keyboard
    buffer.