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INPUT/OUTPUT PROVISIONS
26.2 -- Device Independent I/O
Byte
7
6
3
2
1
o
v ---------------------------------
00
01
02
03
04
05
06
07
08
09
OA
OB
IOCB addl'ess
--~----~~------------------------
.
.
. Devi
c:
e
dl'
i
veT"
address
j
Ria : I : F : W : S : L : D :
i N :
I
a :
Device dependent
area
Working storage
<--
Bit position
CDBIoe
CDBSDA
CDBHAD
COSODF - Device
desc~ip
tor flags
CDBVDT
Valid
data
tlJpes
CDBDOA
CDBWST
j
Page
26-02
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