wR
Sets the radix (output base) for the specified window.
RR base CM registers
PR base Program, current mode
CMPR base CM program
NMPR base NM program
QR base CM frame, Q relative
SR base CM stack, S relative
GR base Group window
UR base [win_number] User window
VR base [win_number] Virtual window
ZR base Real memory window
LR base Ldev window