Sources used in the making of Popup Slate:

Norton, Peter, and Richard Wilton.  The New Peter Norton's Programmer's

        Guide to the IBM PC & PS/2. Redmond, Washington: Microsoft Press, 1988

Williams, Al.  DOS 5: A Developer's Guide.  Redwood City, CA: M&T Books, 1991

Wyatt, Allen L.  Using Assembly Language (2nd Edition).  Carmel, IN: Que, 1993


Special Thanks:
- the members of the FidoNet 80XXX echo.
