L B3 Addr 
L B4 Addr BMUX
L B5 Addr ALUB
L B6 Addr ALUA
L B7 Addr MAR
L B8 Addr ABCON
L B9 Addr PERR
L B10 Addr SHMV
L B11 Addr PRFA
L B12 Addr SCCON
L B13 Addr QPDCON
L B14 Addr ALUCON
L B15 Addr NEXTCL
L B16 Addr RADDR
L B17 Addr STKRB
L B18 Addr RTSB
L B19 Addr PJUNK