IBM 2025 Maintenance Manual page 73

Processing unit
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2560 Conditions 1
(MFS)
1100* 0
1
2
3
4
5
6
7
+
Cycle run
+
2560 frimary
+
Card in PRE PUNCH
- SC7 DRK FL-CD in PRT
+
2560 fUnch execute
+
2560 read execute
+
2560 card in PRE RD
+
Any feed CB
2560 External 7 CMFD7)
1101
0
- Punch fUSh CBl
1
- Punch push FLl
2
+ SEC fUnch fUSh SEL
3
+
PRE FCH SEC SC4 EXP
4
+
PRI fUnch push SEL
5
+
PRE PCH PRI SC5 EXP
6
- Cell 2 dark FL
7
+
Meehan cycle
2560 Conditicns 2 (MFT)
1110* 0
+
Feed check
1
- 2560 card print REQ
2
+
2560 fUnch REQ
3
+
Print execute FL
4
- 2560 read REQ FL
5
- Run out REQ
6
- 2540
RDR
status REQ
7
+
PCB INCR DR CBA
2560 External 8 ( lffD8)
1111
0
+
Read or punch check
1
+
Print tusy
2
- 2560 ready
3
- HOff er check
4
- COL EM FL
5
- RD strote INI.K FL
6
+
Read cell 12-3 EXP
7
+
Read CCI. EM
* These fields roay
l:e
tested with Branch on
Condition or Branch on
~ask
central
words.
**These field definitions affly when 2540
Emulate latch is on.
Ext!¥nal Field Definitions, 2560 Mode (CPU
to EXT)
OCOO
Unassigned
2560 Stacker Select CMFSS)
0001
2560
0011
0
1
2
3
4
5
Set STS latch 4
6
Set S'IS latch 2
7
Set STS latch 1
see Note 1
Punch Date (MFPU)
C 20 Mode Operation)
0
Set data BFR LCH12
1
set data BFR I.CH11
2
Set data BFR LCHO
3
Set data BFR LCH8
4
Set data BFR LCH9
7
Set data BFR LCH1
See Note 2
6
Set data BFR LCH2
6&7
Set data BFR LCH3
5
Set data BFR LCH4
5&7
Set data BFR LCH5
5&6
set data BFR LCH6
5, 6& 7
Set data BFR LCH7
0100
Unassigned
2560 PRT Head Select (MFHS)
0101
0
set head SEL latch 4
1
Set head SEL latch 2
2
Set head SEL latch 1
3
4
5
6
7
0110
Unassigned
2560 Print Latches 1-8 (MFPR1)
0111
0
Set print latch 1
1
Set print latch 2
2
Set print latch 3
3
Set print latch 4
4
Set f rint latch 5
5
Set print latch 6
6
Set print latch 7
7
Set print latch 8
1000
Unassigned
2560 Print Latches 9-16 (MFPR2)
1001
0
Set print latch 9
1
Set print latch 10
2
Set print latch
11
3
Set print latch 12
4
Set print latch 13
5
Set print latch 14
6
Set print latch 15
7
Set print latch 16
2025 FEMM (7/69) 1-63

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