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SCIENTIPIC DATA SYSTEMS
SDS PROGRAM LIBRARY
PROGRAM DESCRIPTION
042004 (900 Serie!
Catalog Nos. 642027 (9300)
IDENTIFICATION:
MONARCH CONTROL ROUTINE (CONTROL)
PURPOSE:
Analyze the contents of MONARCH Control messages.
ACTION:
The following functions are performed (in the order shown) related to the
processing of MO NARC H Control messages:
CALLING
SEQUENCE:
PROGRAMMING
CONVENTIONS:
MEMORY
REQUIREMENTS:
a.
Read the message from the current control-message medium.
b.
Analyze the syntax of the control message.
c.
Convert any parameters in the control message to the internal representa-
tion appropriate to the parameter and store the parameter values obtained
in specified memory location(s}.
d.
Transfer control to the Action Subroutine (processor) corresponding to the
function code in the control message.
If
errors are detected during this process, an appropriate error message is
typed out, the message contai ni ng the error is ignored, and the routine at-
tempts to read the next control message from typewriter 1 {on the W buffer
for 900 Series Computers, or on Channel A for the 9300}.·
a.
After loading or reloading the MONARCH system:
BRU RDMSG
b.
To read the next control message when the MONARCH Monitor is still
in memory (e.g., as would be the case after a control-message error is
reported):
BRU RDMSGR
with a valid unit, channel, and I/O subroutine address in the Unit
Assignment Table for control messages (QMSG).
Relocatable routine.
No PROGRAMMED OPERATORS used.
Contents of
registers are not preserved.
Approximately 2420 8 or 129610 memory locations.
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