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PORTS.H
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1991-07-30
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/*
ports.h -- Port and bit definitions
Poor Man's Packet (PMP)
Copyright (c) 1991 by Andrew C. Payne All Rights Reserved.
Permission to use, copy, modify, and distribute this software and its
documentation without fee for NON-COMMERCIAL AMATEUR RADIO USE ONLY is hereby
granted, provided that the above copyright notice appear in all copies.
The author makes no representations about the suitability of this software
for any purpose. It is provided "as is" without express or implied warranty.
Assumes 'pmp.h' previously included.
August, 1989
Andrew C. Payne
*/
/* ----- Output Bits ----- */
/* Transmit data */
EXTERN word TXPort;
EXTERN byte TXBit;
/* TX control (Push To Talk) */
EXTERN word PTTPort;
EXTERN byte PTTBit;
EXTERN int PTTLevel;
/* ----- Input Bits ----- */
/* Receive data */
EXTERN word RXPort;
EXTERN byte RXBit;
/* Carrier Detect */
EXTERN word CDPort;
EXTERN byte CDBit;
EXTERN int CDLevel;