Return Bus Control and Data Lines.
|
Bit
|
Value
|
Meaning
|
|
15
|
-32768
|
ATN True
|
|
14
|
16384
|
DAV True*
|
|
13
|
8192
|
NDAC True*
|
|
12
|
4096
|
NRFD True*
|
|
11
|
2048
|
EOI True
|
|
10
|
1024
|
SRQ True
|
|
9
|
512
|
IFC True*
|
|
8
|
256
|
REN True
|
|
7
|
128
|
DIO8
|
|
6
|
64
|
DIO7
|
|
5
|
32
|
DIO6
|
|
4
|
16
|
DIO5
|
|
3
|
8
|
DIO4
|
|
2
|
4
|
DIO3
|
|
1
|
2
|
DIO2
|
|
0
|
1
|
DIO1
|
* Not supported by the NEC 7210.
