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module value, within each
disk- control field, is compared
against a module value that is
present in auxiliary storage.
If the module values disagree,
a coded stop occurs with 60
displayed.
In addition,
Unequal Address Ccrr.pare is set.
Correct module values must be
set in auxiliary stcrage 0
locations AO, A2, etc.
7=1; module-overflow
detection is inactive.
(Most
user applications set bit 7 to
1.)
A2-A3w A4-A5, A6-A7 and B6-B7 represent
1400 drives 2, 4, 6, and 8 respectively.
Assignments follow the sarre structure
format as AO-Al.
Compare disal:::le and
module-overflow detection need only be set
in the Al tyte.
BO-BS
Disk Error information for
diagnostic use.
Rows
8
through BL-Eytes
8
through
F,
K-addr essable Halfwords:
'Ille 16
K-addr es sable halfwords of auxiliary
storage module 0 are used as fallows for
1401/1460 and 1440 compati:tility mode.
KO
Kl
K2
K3
K4
KS
K6
K6
88-89
8A-8B
8C-8D
8E-8F
98-99
9A-9B
Bias constant.
Refer to
Figure 1-30 for correct
value.
working storage
B-STAR tackup for local
storage VO,Vl
A-STAR backup for lccal
storage UO ,U1
~orking
storage
~orking
storage
9C (Integrated Attachment Printer)
0
132 print position 1403
1
Channel 9
2
Channel 12
3
Invalid channel
4
Secondary bit
5
Device end
6
Print wordmark operation
7
Printer error
9C (Channel Attached Printer)
0
132-position 1403; or
greater than 120 positicns
i f
1443.
1
Channel 9
2
Channel 12
3-7 Device address
K7
K8
K9
KA
9D
9E
9F
A9
AA
AB
AC
AD
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Forms command
1403 Printer Cintegrated
Attachrrent Only)
On Channel (Integrated
Attachrrent Only)
Go to Set Up after Rmt/Rst
(Integrated Attachment
Only)
From General Stop loop
(Integrated Attachment
Only)
Last CMD Skip or Spc Sup.
Forms After Cmd
Reader-1 address
Reader-2 address
Sense switch A (last card)
Sense switch B
sense switch C
Sense switch D
sense switch E
Sense switch F
Sense switch G
Sense switch A for second
serial reader punch
High-compare result CU)
Unequal-compare result
C/)
Low-compare result CT>
Equal-corrpare result CS)
Inquiry clear indicator(*)
overflow indicator CZ)
Inquiry request indicator
(Q)
Not used
Not move or load
instruction (PR-KB)
H-Typehead installed
CPR-KB)
..
Secondary bit CPR-KB)
Load mode CPR-KB)
Stop message being
performed (PR-KB)
Reader error
Punch error
Printer error
Unassigned
0
48K*
1
24K, 32K*
2
16K, 32K, or 48K*
3-7 Initialized to 1*
*High-order byte of highest
storage address
initialized to 3F,5F,7F,
or BF.
1442/1443 Status
0
Skip G:tv:WM check
1
Channel end only
2
Last card on
3
Column binary mode
4
Print operation
5
output command
6-7 OO=R/W, Ol=Test I/O,
10=Sense, 11=Control
2025 FEMM (7/69)
1-23
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