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Command
Code
Function
Data Compared
Single
Track
M u l t i -
track
Search Key Equal
(See Note 'l )
29
A9
Locates a key area selected bY
the system.
The key area bytes from the selected
drive and track with data from the
system.
S e a r c h l D E q u a l
3 1
B 1
Locates a count area selected
by the system.
Five bytes (CCHHR) of the next count
area from the selected drive and track
with CCHHR from the system.
Search Home
Address Equal
39
B9
Locates a home address area
selected by the system.
Four bytes (CCHH) of home address
area from the selected drive and track
with CCHH from the system.
Search Key High
(See Note 2)
49
c9
Locates a key area selected bY
the system.
The key area bytes from the selected
drive and track with data from the
system.
S e a r c h l D H i g h
(See Note 3)
5 1
D1
Locates a count area selected
by the system.
Five bytes (CCHHR) of the next count
area from the selected drive and track
with CCHHR from the system.
Search Key
E q u a l o r H i g h
(See Note 4)
69
E 9
Locates a key area selected bY
the system.
The key area bytes from the selected
drive and track with the key area from
the system.
S e a r c h l D E q u a l
o r H i g h
(See Note 5)
7'l
F'l
Locates a count area selected
by the system.
Five bytes (CCHHR) of the next count
area from the selected drive and track
with CCHHR from the system.
SEARCH COMMANDS
Note | : The key area compared is the key area of the
Note 3: Locates any tD f rom the track that is higher
n e x t r e c o r d ( e x c t u d i n g B 0 ) , u n l e s s c h a i n e d f r o m t h a n t h e l D f r o m t h e s Y s t e m .
a Read Count or Search lD commmd. lf
Nolr- 4: Same as Search Key Equal except the key area
chained from a Count operation, dte key area
bcated is equal to or higher than the key area
searched is in the sme record.
from the sYstem.
Note 2: Same as Search Key Egual except the key area
Note 5: Locates the lD from the track iltat is equal to or
is located in any key area on the track that is
hidter than the lD from the system.
higher than the key area from the system.
Search Commands 33
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