Commodore PC Ms-Dos 3.2 User's Manual page 313

Debug 241
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Debug Error Messages Debug error codes
' ' During a debug session, you may receive any of the following
error messages. Each error ends the debug command under
which it occurred, but does not end debug itself.
Error
code Definition
' BF Bad flag
You attempted to change a flag, but the characters
*-. you typed were not one of the acceptable pairs of
' ' flag values. See the R (register) command for the list
of acceptable flag entries.
BP Too many breakpoints
You specified more than ten breakpoints as param
eters to the G (go) command. Retype the G com
mand using ten or fewer breakpoints.
f ^ BR Bad register
While using the R command you typed an invalid
register name. See the R command for the list of
valid register names.
DF Double flag
You typed two values for one flag. You may specify
a flag value only once per RF command.
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