ECR n = ctlreq1 ctlreq2 ctlreg3 ctlreq4 PSi This is the response you receive
registers; n 1S the register whose when you display control contents of the following consecutive registers are ctlreg2, ctlreg3, and so on. The contents of the requested control registers are displayed in hexadecimal. Up to four registers per
line are displayed. Multiple lines are displayed if required.
The contents of the PSW are displayed in hexadecimal. CAW = xxxxxxxx
The contents of the CAW (hexadecimal location 48) are displayed in CSW = xxxxxxxx xxxxxxxx
The contents of the CSW (hexadecimal location 40) are displayed in
hexadecimal.
Section 5. Format of CP Commands 79

DUMP Use the DaMP command to print the contents of various components of the virtual machine on the virtual spooled printer. The following items are
printed: • Virtual program status word (PSW) • General registers • Floating-point registers • Control reqisters (if you have the ECMODE option specified in your VM/370 directory entry) • storaqe keys • Virtual storage locations storage only; see "Usage Notes") • Use the NETWORK DUMP command to dump the contents of 3704/3705 storage. This command is described in the The format of the DUMP command is:
r I DUMP I I I I , I I L
Lhexloc1
Thexloc1 hexl:::>c1 {
-}heXIOC2 : r , r ILhexlocli {-}Ihexloc2 IThexlocli : I]!Q I hexloc11 L
, I I J L J
r ,
{. 1 I bvtecount I f];]Q I L J C *dumpid]
is the first or only hexadecimal storage location to be
dumoed. If you enter L or T without operands, the contents of
all virtual storage locations are dumped. If L or no letter
prefix is specified, the storage contents are displayed in
hexadecimal. If T is specified, the storage contents are
displayed in hexadecimal, with EBCDIC translation.
The address, hexlocl, may be one to six hexadecimal digits; lea1inq zeros are optional.
If hexloc1 is not on a boundary divisible by 32, it is rounded to the next lower such boundary. is the last hexadecimal storage location whose contents are to
be dumped to the printer. If -or : is the first character of
the operand, then hexlocl defaults to zero. The operand,
hexloc2, must be equal to or greater than hexlocl and within
the virtual storage size. To dump to the end of storage, you 80 VM/370 CP Command Reference for General Users