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Copyright 1991 David Jurgens |
INT 14,3 - Get Serial Port Status
AH = 03
DX = zero based serial port number (0-1) (0-3 for AT)
on return:
AH = port status
AL = modem status
- for status bits see INT 14,STATUS
- the status check performs a poll of the port and does not
perform character I/O
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| Esc or Alt-X to exit |
int 14,3 |
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