ASYNC_GETDCBINFO (73h) - Flags1

Flags1

Has the following bits:

Bits 0-1

DTR Control mode. Has the following:

Bit 1

Bit 0 Description
0
0 Disable
0
1 Enable
1
0 Input handshaking
1
1 Invalid input. Results in a general failure error.
Bit 2
Reserved (returned as 0)
Bit 3
Enable output handshaking using CTS
Bit 4
Enable output handshaking using DSR
Bit 5
Enable output handshaking using DCD
Bit 6
Enable input sensitivity using DSR
Bit 7
Reserved (returned as 0)

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