Motorola MVME187 User Manual
Entering Debugger Command Lines
5-3
5
Ò.RETURNÓ.
Debugger Command Syntax
In general, a debugger command is made up of the following parts:
❏
The command identifier (i.e., MD or md for the Memory
Display command). Note that either upper- or lowercase is
allowed.
Display command). Note that either upper- or lowercase is
allowed.
❏
A port number if the command is set up to work with more
than one port.
than one port.
❏
At least one intervening space before the first argument.
❏
Any required arguments, as specified by the command.
❏
An option field, set off by a semicolon (;) to specify conditions
other than the default conditions of the command.
other than the default conditions of the command.
The commands are shown using a modified Backus-Naur form
syntax. The metasymbols used are:
syntax. The metasymbols used are:
boldface strings
A boldface string is a literal such as a command or a
program name, and is to be typed just as it appears.
program name, and is to be typed just as it appears.
italic strings
An italic string is a Òsyntactic variableÓ and is to be
replaced by one of a class of items it represents.
replaced by one of a class of items it represents.
|
A vertical bar separating two or more items
indicates that a choice is to be made; only one of the
items separated by this symbol should be selected.
indicates that a choice is to be made; only one of the
items separated by this symbol should be selected.
[ ]
Square brackets enclose an item that is optional. The
item may appear zero or one time.
item may appear zero or one time.
{ }
Braces enclose an optional symbol that may occur
zero or more times.
zero or more times.