RCA 301 Programmer's Reference Manual page 192

Electronic data processing system
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C o n di t i o n s
1. Inoperable before
Card Select.
2. Inoperable during
execution of Card
Select.
3. Card released due
to exceeding 32
unserviced revolutions.
4.
Address Verification
error on Card selected.
Address Verification
error on Card pre­
selected.
5. Card Absent.
6. Card Select not
permissible.
7. Magazine Absent.
XV-12
C a r d S e l e c t
H o w I n d i c a t e d
I n st r uc t io n
T o P r o g ra m
T e r mi n a t i o n
Option 1
At time
A
2> = 1
detected
0
(Inoperable)
No instruc­
Option 0
4
A
2
= 0
tion being
0
executed
and
Option 1
A
2! = 1
0
No instruc­
Option 1
A
2* = 1
tion being
0
executed
(Inoperable)
No instruc­
Option 1
A
2! = 1
tion being
0
executed
(Inoperable)
At time
Option 1
3
A„2
= 1
detected
(Illegal
Operation)
Upon comple­
Option 0
tion of
A
2* " 0
0
instruction
I n d i c a t o r
C l e a r a n c e
Manual Reset
Manual Reset
Unit goes inoperable at time of
extract
if
error on Card Select.
When this Select is executed, the
extraction will be held off until
the "32 Rev" bit is cleared.
Card released to magazine.
Manual Reset
Manual Reset
Becomes inoperable when extract
is attempted.
Hardware will attempt another
Manual Reset
Select.
Unconditional
Removal Command must be given
Card Removal
to
set
the
to "1".
C o m m e n t s
Address Verification
8-10ms.
indication

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