R15: One of
codes:
Return 00 04 08 60 the following return Nothing unusual. Empty 4K block skipped.
Invalid CC value in CCBOR address that was
entered.
I/O error accompanied
by message DMSIFC830E. Usage RO-R 9: Scratch Rl0-Rll: R12:
R13:
R14-R15: Spares, not used
Base Save area address Scratch None. The functions performed by D!SBEI can he summarized as follows:
1.
2.
3.
4.
Issues the DIIGHCSE command to find
the beginning of the V!/370 error
recording cylinders and the number of cylinders.
Reads a requested record from the V!/370 error recording cylinders.
Returns the next logical record to
the caller when the requested
record does not exist or cannot he
read and revises the caller's
specified CCBOR address
accordingly.
Handles errors. Chapter 11. D MSIFC and SR !A-- FR FP /Error Recor din 9 Interface 217

Directory
Figure 11-2 is an alphabetical list of the major labels cf .odules D!SIFC and D!SBEI. The associated method of operation diagra.s
are indicated and a brief description of
the operation perfor.ed at the point in the
progra. associated with each label is
included.
i Ilabel Diagra. I EADATTR 11-1 ClEARRTN 11-1 DMSIFCO 11-1 DMSIFC18 11-1 OPER7 11-2 OPER9XX 11-1 NOEXTRA 11-1 EXITO 11-1 EXIT1 11-1 EXIT3 11-1 EXIT9 11-1 FIRSTSW 11-2 BACC 11-1 BAVETYPE 11-1
BClEAR 11-1
BClEARF 11-1 BCTlCRD 11-1 BBIST 11-1
BMERGE 11-1 BMES 11-1 BRDESUM 11-1
Description
Handles file not fixed.
logically erases V!/370 error recording cylinders.
Handles trapped EXCPs issued by EBEP. Handles trapped os BLDL macros issued by EBEP. Issues I/O error reading records .essage.
Handles specification
parameters.
Handles file not found.
of CLEAR when entered with other
Restores registers for exit from DBSIFC. Clears handling of SVCs. Frees storage allocated for OS para.eter list.
Frees storage allocated for SVC si.ulation. Sets indication of first time tBSBEI is called.
Directs addition of ICC para.eter to OS para.eter list being
built for EREP. Handles the specification of an extra parameter on the CPEBEP co.mand line. Clears all error records from the error recording cylinders. Clears SRF frame records and all error records and refor.ats
the error recording cylinders. Writes CTlCRD inforllation inta SYSIN file
for EBEP to read.
Directs addition of HISi' paralleter to OS parameter list being
built for EREP. Directs addition of BERGE paralleter to OS parameter list being
built for EREP. Directs addition of BES and THRESHOLD parameters to OS parameter list being built for EREP. Directs addition of BDESUB para.eter to OS parameter list being
built for EBEP. Figure 11-2. DMSIFC and DMSREA label Directory (Part 1 of 2)
218 IBM VM/310 Service Routines Program Logic 1 I I