DMSNCP Reads a 3705 central program aodule (EP or NCP) in OS load module format and
writes a page-format core-image copy on
the VM/370 system volume. jntry faint SAVENCP Attributes --SerIally reusable, executes in a ·C!S virtual machine j,!!try Conditicns
R1: of the input parameter list USg,Sl§ RO: Work register
R1 : Address of parameter list and werd register
R2: Pointer to input record and work
register
R3: Length of input record and work
register
R4-6: Rl0: R 11:
R12:
R13:
R14:
R14: Work registers
Address of the input file nCE during the read, then the
address of tbe centrol program core image. Address of the CCPAR! paraaeter list
Base register
Address of the savearea Linkage register
Linkage and work register £gll§ to Other Routines t!KSNC via -DIagnose-code X'50' to write
the core image of the 3704/3705 control
program and parameters on disk Bone Da!! Areas CCPAR! Exit Conditions -R15: Return code
184 IBM VM/370 Service Routines Program Logic

Directory
Tbis . section
directories:
contains two types of • (Figure 9-2) is a list
of the CP and CMS modules that process
tbe co •• ands that generate the 3704/3705 control and process the 3704/3705 storage dumps. Module Description DMKRND NCPDUMP co •• and processor. DMSARN ISM3705 co •• and processor. DMSARX 1583705 co •• and processor. D!SGRN GEN3705 com.and processor. DMSLKD LKED command processor. DMSNCP SAVENCP co.mand processor. • Label (Figures 9-3 through
9-8) list the major labels in each of the command processors. In addition to
the latel, the aodule (if aore than one
is involved), associated aethod of
operation diagram, and a brief
description are included in the list.
Figure 9-2. Module Directory for 3704/3705 Command Processors
THE NCPDUMP COMM1ND PROCESSOR (DMKRND) Label DUMPWRT LINKDMP LOOK LOOP BCPDUMP READBXT STRTDUMP TESTOPT Diagram
9-9
9-9
9-9
9-9
9-9
9-9
9-9
Description Writes the output file.
Links to the OS dump service program, IFIDU!P. Checks the reader for a valid eMS duap file.
Starts the NCPDUMP coamand. Reads the dump spool file.
Builds the control file for the IFLDU!P processing routine.
Processes the options on the NCPDU!P command line.
Figure 9-3. The BCPDUMP Command Processor (DMKRBD) Label Directory Chapter 9. The 3704/3705 Service programs 185