HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
INT 21,5 - Printer Output        AH = 05        DL = character to output        returns nothing        - sends character in DL to STDPRN        - waits until STDPRN device is ready before output
Esc or Alt-X to exit	int 21,5	Home/PgUp/PgDn/End ←↑↓→