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Program Trace Routine
24.5. Control Flags
The location of some of SNOOPY's control flags is externalized with the label SNFLG$.
In addition, the system procedure SN$DEF provides mnemonic tags for the following
flags:
BYPADD
CCALL
Set to bypass from @ADD streams when reading a SNOOPY command.
(SNFLG$+2,,S2)
Set by SNCNT$, cleared by SNCLR$. (SNFLG$,,S2)
CMODE
Set when tracing a contingency routine. (SNFLG$+1,,S2)
COMPRT
Set for compressed print ("PRINT C"), clear for expanded print. (SNFLG$+1,,S3)
CONTINGF
ECHO
Set when a contingency has occurred, otherwise clear. (SNFLG$,,S5)
Set for echo mode of ALTPRT. (SNFLG$+1,,S6)
NOHDG
Suppresses SNOOPY sign-on and sign-off messages. (SNFLG$+2,,S4)
OLDSKP
Saved value of REMSKPIT when RLIB$T = 0 and WASRLB = 1. (SNFLG$+1,,S5)
REMBRK
Set when the break contingency has occurred or by encountering a condition set by
the SKIP (or number) command, the BREAK command, or the TRAP command.
When set, SNOOPY enters command mode before interpreting the next instruction.
(SNFLG$,,S6)
REMOTE
Clear for batch mode, set for demand mode. (SNFLG$,,S1)
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