HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
INT 17,0 - Print Character        AH = 00        AL = character to print        DX = printer to be used (0-2)        on return:        AH = printer status, see INT 17,STATUS        - writes character and returns status
Esc or Alt-X to exit	int 17,0	Home/PgUp/PgDn/End ←↑↓→