user manual

5-4
Using the 187Bug Debugger
5
Syntactic Variables
The syntactic variables shown below are encountered in the
command descriptions on the following pages. In addition, other
syntactic variables may be used and are defined in the particular
command description in which they occur.
Expression as a Parameter
An expression can be one or more numeric values separated by the
arithmetic operators: plus (+), minus (-), multiplied by (*), divided
by (/), logical AND (&), shift left (<<), or shift right (>>).
Numeric values may be expressed in either hexadecimal, decimal,
octal, or binary by immediately preceding them with the proper
base identifier.
If no base identifier is specified, then the numeric value is assumed
to be hexadecimal.
del Delimiter; either a comma or a space.
exp Expression (described in detail in a following section).
addr Address (described in detail in a following section).
count Count; the syntax is the same as for exp.
range A range of memory addresses which may be speciÞed
either by addr del addr or by addr: count.
text An ASCII string of up to 255 characters, delimited at
each end by the single quote mark (').
Base IdentiÞer Examples
Hexadecimal $ $FFFFFFFF
Decimal & &1974, &10-&4
Octal @ @456
Binary % %1000110