IBM System/360 20 - 036

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L
to be prepared by
the user
,,- - - - - - -,"
~-------( I
I Job Control Program I
I Phose 00 : J
,
S/M Phose 13
r:.. _ -=. -=- -= :::- _-;'"
( User Routines for I
Merging I I
S/M Phases 10-12
I)
- -- --~
-------~I
( User Routines for I
External Sorting I ,
S/M Phose 9 ~
~Ro:tin-;; ~ -=. -:. -= -:. 1: \
Internal Sorting I ~- Optional
I I
S/M Phose 8 ~
r- ------,
~---------(I
User Routines for I
Job Control Program
Phose 03
Job Control Statements
~ Control Prog'om
c .. 00,01, 02
SYSRDR
a) In oa Card-Resident System Run
~'.d if Job C~"ol
V :-:!~;be .. ,,",mod
'I
I
--1-
-----.,.
",
/,
" I
/ I
~-----------( )
( User Routines
./
( S/M Control Statements
L
,/ Job Control Statements
SYSRDR
b) 'n a Tape-Resident System Run
0-
1--1
i.I"
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I I'
I /
-.,j,/
.Figure 10. Arrangement of Input Decks for the Execution of the Sort/~erge Program
When alternate input or output devices
have not been specified, which is alwals
the case for input to merge runs, a pro-
grammed halt occurs after a volume has been
completely read or written. The halt code
displayed on the CPU console identifies the
cause of the halt and the appropriate
restart procedure.
PROGRAMMED HALTS
A number of programmed halts may occur dur-
ing the loading and execution of the Sortl
Merge program. The halt-code displays and
the associated restart procedures are
described in the section Erog£~!!!.!!!.ed-Hali
12i:§.El~.l§_~nQ_.Rg§i~~£i_R£Q£gg ur e§~
One non-programmed halt may occur during
execution of the Sort/~erge program. This
halt occurs when invalid packed-decimal or
zcned-decimal data is encountered. The
system halts, and the opera tion code "FS"
is displayed in the U-[ fields on the CPU
console. In this case, the job must be
discontinued. To discontinue the jot,
• prepare the I/O devices for the next
job,
• change the contents of register 3 to
00C2, and
• press the start key on the CPU console
to initiate the end-of-jot routine.
36 System/360 Model 20 TPS Operating Procedures