Start development on BSD 4
[unix-history] / .ref-5cb41021d721f4e0ac572d592613f963e495d1ff / .ref-BSD-3 / usr / src / sys / h / cons.m
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e78f0c8d
BJ
1#
2# cons.m 2.1 1/5/80
3#
4#
5# VAX console interface registers
6#
7
8 .set RXCS_IE,0x40 # receiver interrupt enable
9 .set RXCS_DONE,0x80 # receiver done
10 .set RXDB_DATA,0xff # received character
11 .set RXDB_ID,0xf00 # channel id
12 .set RXDB_ERR,0x80000000 # receiver error
13
14 .set TXCS_IE,0x40 # transmitter interrupt enable
15 .set TXCS_RDY,0x80 # transmitter ready for next char
16 .set TXCS_BRDY,7 # bit number of TXCS_RDY
17 .set TXDB_DATA,0xff # transmitter byte
18 .set TXDB_ID,0xf00 # channel id