IBM Professional Series User Manual page 226

-hexloc2
is the last storage location defining a range of virtual
addresses to be used for comparison. If an address
compare occurs, including on hexloc2, execution is
halted.
Greg% [+Xddd
the first, or only, virtual address at which to halt
execution is the address contained in reg, plus the
optional displacement ddd .
. bytecount
is a hexadecimal value of the number of bytes to be
included within a range of virtual addresses to be
used for comparison; the sum of hexloc 1 plus
bytecount determines the first address that is beyond
the range.
If
an address compare occurs within the
range of addresses execution is halted.
PRINTER
directs tracing output to the printer. The destination
of the output depends on the SPOOL and TAG
values currently set.
CONSOLE
directs tracing output to the display.
BOTH
directs tracing output to both the printer and display.
NORUN
RUN
END
halts program execution after the trace output is
displayed and enters the VM/PC CP command
environment.
continues program execution after the trace output
has been displayed.
terminates the specified or all tracing activity.
Usage Notes:
1. A table of 16 specific codes for each of SVC, DIAG,
and PRIV operands is kept. When the operand is
specified without the nn option, the table is cleared and
Chapter 7. VMjPC Commands 7 -53