HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                  INT 21,3 - Wait for Auxiliary Device Input

       AH = 03

       on return:
       AL = character from the auxiliary device

       - does not supply error returns
       - waits for character and reads from STDAUX
       - default DOS AUX parameters are 2400,N,8,1

Esc or Alt-X to exit int 21,3 Home/PgUp/PgDn/End ←↑↓→
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