Module Entry Point Directory , I Module I Nalle
Entry Points Function DMSASM DMSASN DMSAUD DMSBAB DMSBOP DMSBRD DMSBSC DMSBTB DKSBWR DMSCAT DKSCIO DMSASK ASMPROC DKSASN DKSAUD DMSAUDUP DMSBAB DKSBOP DKSBRD (RDBUF) BASIC DMSBTB DMSBTP DMSBTPAB DMSBTPLM DKSBWR DMSCAT DMSCIOR DMSCIOP DKSCIOSI Processes the ASSEMBLE command. Provides the interface
between the user and the system assembler.
This is the SYSUT1 precessing routine (called from DMSSOB) • Associates logical units with a physical hardware
device. (Interface for the ASSGN command used by CKS/DOS and CMS/VSAM.) Reserves space on disk for writing a copy of disk and
and file management tables on disk and then updates the
master file Closes all eMS files, thereby updating the master file
Directory for any disks that had an output file open.
Give control to an abnormal termination routine once linkage to such a routine has been established ty STXlT AB lIacro. Opens CMS/DOS files associated with the following DTF
(Define The File) tables: DTFCN, DTFCD, DTFPR, DTFMT, DTFDI, DTFCP, DTFSD. Once the files are opened and
initialized, I/O operations can be performed using the
file.
Reads one or more Ruccessive itells froll a specified
file. Processes the BASIC command. The BASIC command invokes
the CALL-OS BASIC language processor to coaFile and
execute the specified file of BASIC source code.
This is the CMS batch bootstrap routine. It loads the
batch processor routine (DMSBTP) and user exit routine
(if they exist) into free storage. Main entry; reads from the virtual card reader each time CKS tries to execute a console read.
Entry point for abnormal conditions during user job: • Job exectuion ABEND (from DKSABN) • Job liait exceeded (froa DftSITE, DMSCIO, DMSPIO) • Disabled CMS command (from the comlland) Non-executable user job limit table referenced by DKSITE, DMSPIO, and DMSCIO. Writes one or more successive items into a specified
disk file. Stacks a line of console input that DftSCRD reads later
when it is called.
Reads one card record.
Punches one card record.
Punch caller's buffer.
2-158 IBM VM/370 System Logic and program Determination--Volulle 2

I I Name DMSCIT DMSCLS DMSCMP DMSCPF DMSCPY DMSCRD DMSCiR DMSCWT DMSDBD DMSDBG DMSDIO DMSDLB DMKDMP DMSDOS Entry
Points DMSCIT DMSCITA DMSCITB DMSCITDB DMSCLS COMPARE DMSCPF DMSCPY DMSCRD DMSCiR DMSCWT DMSDBD DMSDBG DMSDBGP DMSDBG DMSDIOR DMSDIOW DMSDLB DMSDLK DMKDMP DMSDOS Module Entry Point Directory
Function
Processes the interrupticns for all CMS terminal I/O operations and starts the next I/O operation upon
completion of the current I/O operation.
Processes terminal interruptions.
starts next terminal I/O operation.
Frees I/O buffers from stacks. Closes CMS/DOS files associated with the following DTF
(Define The File) tables: DMTCN, DTFCD, DTFPR, DTFMT, DTFDI, DTFCP, and DTFSD. For reader, printer, or punch
files, a CP CLOSE command is issued. For disk files, DMSFNS is called to close the file. For a disk work
file, DMSERS is called to erase the file, unless
DELETFL=NO is specified. Compares the records contained in two disk files. Passes a command line tc CP for execution.
Processes the COPYFILE command to copy disk files.
Reads an input line and makes it available to the
caller • • rites an output line to the console. Causes the calling program to wait until all terminal I/O operations have been completed.
Enables a user to dump his virtual storage from within
an executing program.
Enables the user to debug his program from the terminal. Entry point for program interruptions. Entry point for all other interruptions.
Reads one or more SOO-byte records (blocks) from disk,
or reads one 200-byte record (sut-block) from disk. Writes one or more 800-byte records (blocks) on disk,
or writes one 200-byte record (subblock) on disk.
Interface for the DOS DLBL command; allows the user to
specify I/O devices extents, and certain file
attributes for use by a program at execution time. DLBL can also be used to modify or delete proviously
defined disk file descriptions.
Interface for the DOS user command. Link-edit the
relocatable output of the language processors. Once link-edited, these core image phases are added to the
end of the specified DOSLIB. Simulates the DOS/VS $$BDU8P and $$BPDC8P For both functions* a CP DUMF command
directing the dump to an offline printer.
functions.
is issued,
Provides DOS SVC support. Interprets DOS SVC codes and
passes control to appropriate routines for execution
(for examfle, OPEN, CLOSE, FETCH, EXCP). CMS Directories 2-159