Motorola MVME187 User Manual

Page of 173
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 addrcount
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