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pmmi.h
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1983-09-09
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1KB
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25 lines
/* PMMI modem definitions */
#define STATPORT 0xc0 /*uart status port*/
#define DATAPORT 0xc1 /*modem data port*/
#define MODEMCP2 0xc2 /*modem status port*/
#define MODEMCP3 0xc3 /*modem control port*/
#define TBMT 0x01 /*transmit buffer empty*/
#define DAV 0x02 /*receive data available*/
#define CTS 0x04 /*carrier detect*/
#define ORIG 0x01 /*originate mode select*/
#define ANS 0x02 /*answer mode select*/
#define NP 0x10 /*no parity select*/
#define EPS 0x20 /*even parity select*/
#define TSB 0x40 /*number stop bits select*/
#define NB1 0x04 /*number data bits select #1*/
#define NB2 0x08 /*number data bits select #2*/
#define BR110 0x8e /*110 baud select byte*/
#define BR300 0x32 /*300 baud select byte*/
#define BR450 0x23 /*450 baud select byte*/
#define BR600 0x1a /*600 baud select byte*/
#define UND300 0x7f /*filter select < 300 baud*/
#define OVR300 0x5f /*filter select > 300 baud*/
#define MAHI 0x01 /*1 if status active high*/
#define CTSHI 0x00 /*1 if cts active high*/