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BIT SIGNIFICANCE
CODE
ROUTINES USING
0
1
2
A
ETRP-S
CMD
NOT
REJ
READY
STACK STACK
B
ETRP-S, ECOL-R
SEL
SEL
1, 2, 3
1, 2, 3
STACK STACK
c
EXFR-R
CDA
SEL
SEL
1, 2, 3
1, 2, 3
D
EXFR-R
CMD
NOT
REJ
READ't1
STACK STACK
E
EPCH-R
CDA
SEL
SEL
1, 2, 3
1, 2, 3
Note:
PCCL byte for 1403 translate table is kept in
auxiliary storage 7x00 (9x00 for 24K machines).
3
4
EQUIP
VAL
CHECK CHECK
READ
EQUIP
VAL
CHECK CHECK
PFR
READ
5
CT
STOR
CT
STOR
Figure 1-7. Auxiliary Storage Map CPart 2 of
2J
6
7
USED FOR
UN-
USUAL
PUNCH SENSE
CMD
STACK SEL
READER
FEED
WLR
INDICATOR
UN-
USUAL
READER
CMD
SENSE
PFR
PUNCH
COUNT
WLR
INDICATOR
2025 FEMM (7/69) 1-7
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