projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| da7c5cc6 | 1 | /* |
| 0880b18e | 2 | * Copyright (c) 1982, 1986 Regents of the University of California. |
| da7c5cc6 KM |
3 | * All rights reserved. The Berkeley software License Agreement |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | * | |
| 95f51977 | 6 | * @(#)uureg.h 7.1 (Berkeley) 6/5/86 |
| da7c5cc6 | 7 | */ |
| 9319a1ad | 8 | |
| 9319a1ad HS |
9 | |
| 10 | /* | |
| 2956d092 | 11 | * DL11-E/DL11-W UNIBUS (for TU58) controller registers |
| 9319a1ad | 12 | */ |
| 2956d092 | 13 | struct uudevice { |
| 8c1c8933 HS |
14 | short rcs; /* receiver status register */ |
| 15 | short rdb; /* receiver data buffer register */ | |
| 16 | short tcs; /* transmitter status register */ | |
| 17 | short tdb; /* transmitter data buffer register */ | |
| 9319a1ad HS |
18 | }; |
| 19 | ||
| 20 | /* | |
| 8c1c8933 | 21 | * Receiver/transmitter status register status/command bits |
| 9319a1ad | 22 | */ |
| 8c1c8933 HS |
23 | #define UUCS_DONE 0x80 /* done/ready */ |
| 24 | #define UUCS_READY 0x80 | |
| 25 | #define UUCS_INTR 0x40 /* interrupt enable */ | |
| 26 | #define UUCS_MAINT 0x02 /* maintenance check (xmitter only) */ | |
| 27 | #define UUCS_BREAK 0x01 /* send break (xmitter only) */ | |
| 9319a1ad HS |
28 | |
| 29 | /* | |
| 30 | * Receiver data buffer register status bits | |
| 31 | */ | |
| 2956d092 HS |
32 | #define UURDB_ERROR 0x8000 /* Error (overrun or break) */ |
| 33 | #define UURDB_ORUN 0x4000 /* Data overrun error */ | |
| 34 | #define UURDB_BREAK 0x2000 /* TU58 break */ | |
| 9319a1ad | 35 | |
| 2956d092 | 36 | #define UUDB_DMASK 0x00ff /* data mask (send and receive data) */ |
| 9319a1ad | 37 |