System Debug Reference Manual (32650-90888)

Appendix D 553
Reserved Variables/Functions
q env : u16 CM Q register
quiet_modify env : bool skip display of current values for modifies
r0 .. r31 env : u32 general registers r0, r1, r2, .. r31
rctr env : u32 recovery counter
ret0 .. ret1 env : u32 return registers 0 and 1
rp env : sptr return pointer
rtov func : lptr real to virtual
s env : u16 CM S register
s16 func : s16 coerces an expression to S16 type
s32 func : s32 coerces an expression to S32 type
s64 func : s64 coerces an expression to S64 type
saddr func : saddr coerces an expression to SADDR type
sar env : u32 shift amount register
sdst env : u16 CM stack data segment number
sid func : u32 extracts SID part of a long pointer
sl env : sptr static link register
sp env : sptr stack pointer register
sptr func : sptr coerces an expression to SPTR type
sr0 .. sr7 env : u32 space registers sr0, sr1, sr2, ... sr7
status env : u16 CM STATUS register
stol func : lptr converts a short pointer to long pointer
stolog func : lcptr converts short pointer to logical code pointer
str func : str extracts a sub-string from a string
strapp func : str string append
strdel func : str string delete
strdown func : str downshifts a string
strextract func : str returns a string from memory
strinput func : str prompts for a string input
strins func : str string insert
Table D-1. Predefined Environment Variables and Functions
Name Type Description