MoveScreenBlock


Purpose   Moves one part of the screen to another part of the display.

Decln.    MoveScreenBlock(X1,Y1,X2,Y2,X,Y:byte);

Remarks   X1, Y1 are the coordinates of the top left corner of the source
          area.
          X2, Y2 are the coordinates of the bottom right corner of the
          source area.
          X, Y are the coordinates of the top left corner of the target
          area.

          The source area of the screen is replaced with spaces, i.e.
          blanked out.

Example

BEGIN
    MOVESCREENBLOCK(1,1,80,3,1,22)
END;