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SCIENTIFIC DATA SYSTEMS
SDS PROGRAM LIBRARY
PROGRAM DESCRIPTION
Page 1 of
Catalog No.
IDE NTIFICATION:
900 Series MONARCH Resident RAD FILE
MANAGEMENT ROUTINE (QFMR)
CONFIGURATION: Any SDS 900 Series Computer
PURPOSE:
PROGRAMMED
OPERATORS:
STORAGE:
TIMING:
USE:
CALLING
SEQUENCE:
58
Manages the S, Xl, X2, BolBI (and D) files for the RAD MONARCH
system.
None
Occupies the last 650 locations in memory
NIA
The subroutine is loaded as part of the RAD MONARCH System Loader.
BRM *QSYS
OP
FDT
Return; (A)
=
Address of next word on the RAD fi I e.
The parameter following the BRM consists of a six-bit operation code,
OP, and a pointer to a file description table.
OP is used to indicate the following file operations:
00 : Rewind
01 : Open
02 : Close
03 : Read
04 : Write
05 : Write with Verification (S and D only)
06 : Position
The file description table is used by both the user and by QFMR to
communicate additional information about the file operation.
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