This example suspends the JCL before DEVICE executes,
so
you can
be
sure that the correct disk
is
in
Drive
0.
Press
(ENTER)
to continue
the JCL.
You can use the IIDELAY macro
if
you want to display
an
informative
message to the operator. For example:
•
BE
SURE
THAT
THE
PRINTER
IS
TURNED
ONI
IIDELAY
50
DEI,)
ICE
(P)
FREE
(P)
I I
D(
IT
This example displays the above informative message and delays
execution for approximately 5 seconds. After the delay, it executes
DEVICE and FREE.
If
you want your system to execute START/JCL
at
a certain time of
the day, use the IIWAIT macro
as
follows:
•
This
program
runs
at
2:15
a.m.
IIWAIT
02:15:00
DEI)
I
CE
FREE
I I
D(
IT
This example displays the comment and then waits until the system
.~
clock matches the time of 02:15:00 specified
in
the IIWAIT macro. It
would then execute DEVICE and FREE, and return to TRSDOS
Ready.
•
This
program
runs
after
a
two-hour
pause.
IISLEEP
02:00:00
DEI)
I
CE
FREE
IIEi(IT
This example displays the comment and then "sleeps" for two hours.
It
then executes DEVICE and FREE, and returns to TRSDOS Ready.
To use the IIFLASH macro, modify START/JCL
as
follows:
•
This
program
executes
the
DEVICE
and
FREE
COlllfllands.
DEl,)
I
CE
IIFLASH
10
Starting
execution
of
FREE
FREE
I
IEi(
IT
After DEVICE executes, the IIFLASH line
is
displayed.
It
flashes on
and off
10 times,
as
specified by the duration count. You can press
(ENTER)
to stop the flash and proceed to the next line. Pressing
(BREAK)
while the message
is
flashing aborts the JCL and displays the
message "Job Aborted".
A-10
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