HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                    INT 10,5 - Select Active Display Page

       AH = 05
       AL = new page number, see VIDEO PAGES

       for PCjr only:
       AL = 80h to read CRT/CPU page registers
            81h to set CPU page register
                BL = CPU page register
            82h to set CRT page register
                BH = CRT page register
            83h to set CPU and page registers
                BH = CRT page register
                BL = CPU page register


       on return: (PCjr only)
       BH = CRT page register
       BL = CPU page register

Esc or Alt-X to exit int 10,5 Home/PgUp/PgDn/End ←↑↓→