SYSTIKE Kacro SYSTIME Macro Use the macro instruction to generate information needed to set
the hardware time of day clock. The value stored in the TOD clock
represents time taken at Greenwich Mean Time, and must be corrected to lOGal time whenever it is examined. The system operator can alter the
defined time value by using the store clock function.
The name field must not be
instruction.
specified for the SYSTIKE macro
The format of the SYSTIME macro is:
r I Name Operation I SYSTIME L r , I ZONE=O I I ZONE=h , ; ZONE= (h, mj i
r Z ONE= (h, m, s) , I ZONE= (h, ,s) I L .J Operands r , IZONE=Q 1
1 ZONE=h I I ZONE= (h, m) I , ZONE= (h, m, s) I I ZONE= (h, , s) , L .J
r , 1L10C=EASTI 1, LOC=WEST, L .J
r , I LID=QlI! I I, ID=xxx I L .J
is the time zone differential from Greenwich Mean Time. If ZONE is
not specified, a value of 0 hours (Greenwich Mean Time) is used.
The variable h is a number that represents hours. It can have a
value from 0 to 13, but when coupled with the m and s fields, the
total effective zone differential must not exceed 13 hours.
The variable m is a number that represents minutes.
The variable s is a number that represents seconds.
r 1 ,LOC=EAST, , LOC=WESTI L .J
specifies whether the time zone differential is to be taken EAST or WEST of Greenwich Mean Time. The default value for LOC is EAST. When the effective value of ZONE is 0, the setting of LOC is
meaningless. Part 2. Defining Your VM/370 System 175
SYSTIME Macro r , tID=GMTI IID=xxxI L is the name of the time zone. The default for ID is GMT. The
variable xxx is a 3-character string.
The following examples show how to code the SYSTIME macro for several
different time zones. SYSTIME ZONE=5,LOC=WEST,ID=EST SYSTIME ZONE=4,LOC=WEST,ID=EDT SYSTIME ZONE=6,LOC=WEST,ID=CST SYSTIME ZONE=7,LOC=WEST,ID=MST SYSTIME ZONE=1,LOC=EAST,ID=SET SYSTIME ZONE=1,LOC=EAST,ID=BST SYSTIME ZONE=10,LOC=EAST,ID=EST (Eastern Standard Time)
(Eastern Daylight Time) (Central Standard Time)
(Mountain Standard Time)
(Standard European Time)
(British Summer Time)
(Australian Eastern Standard Time)
176 IBM VM/310 Planning and System Generation Guide
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