Fujitsu BS2000 SE Series Operating Manual page 42

Server Unit /390
FUNCTION => The following function is selected after the corresponding letter has been entered:
ALTER
A
D DISPLAY
FACILITY => Possible displays of registers:
GR
PSW
CR
FCR
FPR
PRX
AR
HR
ECR
AMR
XCR
EX EPRX
Additional display, if IEEE Arithmetic Operation Mechanism is activated:
FPC
ADRS => no input required
Frame-specific functions
PF9 returns to the frame for memory display
i
Changes in this frame are reserved for the Customer Support.
change and modify register contents
display register contents
General register
Program status word
Control register
Feature control register
Floating-point register
Prefix register
Access register
Hyper register
Extended control register
Address modulation register
Extended control register
Extended prefix register
Floating point control register
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