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 ←↑↓→