z/VM: CP Commands and Utilities Reference - z/VM - IBM

is the response that is sent to the virtual printer when you dump the control
registers using D XH from a z/Architecture guest. nn indicates the first (or only)
register whose contents are dumped.
The content of each register is dumped in hexadecimal and represents the high half
of the full 64-bit register. Up to four registers per line are dumped for each range
you specify. If required, multiple lines are dumped to a maximum of four lines.
Response 11:
Dump Register
AR nn = areg0 areg1 areg2 areg3
is the response that is sent to the virtual printer when you dump the access
registers; nn is the first (or only) access register whose contents are dumped.
The contents of the requested access registers are dumped in hexadecimal. Up to
four registers per line are dumped. If required, multiple response lines are dumped
to a maximum of four lines.
Response 12:
Dump Register
FPR nn = xxxxxxxxxxxxxxxx ±.ddddddddddddddddd E dd
is the response that is sent to the virtual printer when you dump the floating-point
registers. The nn is the floating-point register whose contents are dumped on the
line. The contents of the floating-point registers are dumped in both the internal
hexadecimal format and the E-format; the first part of the response is the contents
of the register in hexadecimal, and the second part of the response is the contents
in exponential decimal format. Only one register is dumped per line. If you specified
a range of registers, multiple response lines are dumped.
Response 13:
Dump Register
FPC = mmmmmmmm
DUMP Registers
is the response that is sent to the virtual printer when you dump the floating-point
control register. The contents of the floating-point control register are dumped in
hexadecimal format.
Chapter 2. CP Commands 405