Fujitsu Siemens Computers BS2000/OSD - Manual (Page 61)

U25339-J-Z126-1-7600 61
Standard processing in SVP mode User frames
FUNCTION => The following functions are executed after the appropriate letter is
entered and
is pressed:
A ALTER change and modify register contents
D DISPLAY display register contents
FACILITY => Possible displays of registers:
GR General register
PSW Program status word
CR Control register
FCR Feature control register
FPR Floating-point register
PRX Prefix register
AR Access register
XCR Extended control register
GSR Global scope register
EX EPRX Extended prefix register
ADRS => no input required
Special key functions
returns to the frame for memory display
ENTER
P9