L B0 Addr GC
L B1 Addr GCHI
L B2 Addr GCFL
L B3 Addr GCFLCOUNT
L B4 Addr GCRCEMASK
L B5 Addr GCPROCNO
L B6 Addr GCCAR
L B7 Addr GCCDR
L B8 Addr GCRETURNPC
L B9 Addr GCPRED
L B10 Addr GCREF0
L B11 Addr GCRESIDUE
L B12 Addr RTEMP
L B13 Addr GCCADR
L B14 Addr GCCDDR
L B19 Addr 
; Breakpoint all trouble exits from CedarGC.
L X Break GCBUG
L X Break GCOTEMPTY
L X Break GCCREATE1+2
L C0 Addr STACK0
L C1 Addr STACK1
L C2 Addr STACK2
L C3 Addr STACK3
L C4 Addr STACK4
L C5 Addr STACK5
L C6 Addr STACK6