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Eit:
2
Narre:
Units
AR
c
Valqe:
1
signifies:
Same as tit
o.
Bit:
3
Name:
Units
AR
D
Val ye:
1
Signifies:
Same as bit
o.
.fill::.:
4
~=
Units
AR
E
Value:
1
signifies:
Same as tit
o.
Bit:
5
Narre:
Reader address reg check
Value:
1
Signifies:
Aadress check in diag op.
Bit:
6
~:
Reader overrun check
Value:
1
SIQiiifies:
Reader overrun in diag op.
Bit:
7
Nam§:
Reader shift reg sync check
Valge:
1
Signifies:
Shift register check in
diagnostic operation.
2.51 CPU TO EXTERNAL
FACILI~IES
(2540)
The following are set en or cff by rreans cf
a set/ reset word in which the cs decode has
the value listed.
2. S..1. 1 R
K (CS DECCDE
Bit:
0
Nam~:
Reader check
Valge:
1
E)
Signifies:
Set on to indicate a hole-ccunt
error in reader.
Bit:
0
Name:
Reader check
Val9e:
0
Signi~:
Reset reader sense byte.
fil.:!i:
1
~:
Read feed
Valqe:
1
Sig9ifies:
Signals reader to feed cards.
Bit:
2
Nam~:
Read select stacker R2
Value:
1
SIQiiif.ies:
Sets up for stacker selecticn
in R2.
Eit:
3
Narre:
Read select stacker R3
Valqe:
1
Signifies:
Same as tit 2, but for stacker
R3.
Bit:
4
Name:
Validity check
Value:
1
Siqilif ies:
Set on when rrcre than one hole
is read from columns·l-7 of a single
card column in the reader.
Bit:
5
~:
Sense set reader
Value:
1
Siqilif ies:
Sets reader-check light on if
bit O is on.
Bit:
6
~:
Reader status latch
Value:
1
Siqilif ies:
Set at channel-end or
device-end so that reader can request
to present status in channel OIB.
Value:
0
SIQ!iif ies:
Reset reader status and reader
queued latches.
Bit:
7
Name:
Reader queued
Value:
1
SIQi1If ies:
Blocks attachment from sending
reader status to channel OIB (Interrupt
Buff.er).
Value:
O
SIQrrif ies:
Reset reader device-end.
2 .• 51. 2
p
K (CS DECODE
F )
Bit:
0
Name:
Punch check
Value:
1
SIQi1Ifies:
Set on to indicate a hole-count
error in the punch; turns punch-check
light on.
Eit:
0
Name:
Punch check
Value:
0
SIQ!iifies:
Resets punch sense byte.
Bit:
1
Name:
Punch feed
Value:
1
Sicinifies:
Signals the fUnch to feed
cards.
Bit:
2
Name:
Punch select stacker P2
Value:
1
SICjiiifies:
Sets up for stacker selection
in P2.
Bit:
3
Name:
Punch select stacker P3
Value:
1
Signifies:
Sarr:e as bit 2, but for stacker
P3.
2025 FEMM (7/69)
2-35
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