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viewpoint

Display or change the current viewpoint.

Syntax

viewpoint [= {Pn | expr | alias-name}]

Where:

Pn

specifies the nth processor of the boundary scan chain.

expr

is an expression resolving to a processor number (0-n4)

alias-name

is a processor alias name (see vpalias)

Discussion

Use the viewpoint command to define which processor, in a multiprocessor system, is the current processor. Entering the command without an option displays the current setting. The default setting for viewpoint is P0. The current viewpoint is also displayed and changed in the Viewpoint window.

Code, Memory and Register windows can be set to display data from a particular processor, or set to track the viewpoint processor.  Changing the viewpoint causes all tracking windows to update.

Example 1

To display the current viewpoint:

Command input:

viewpoint

Result:

0001H

Example 2

To change the viewpoint to processor 2:

Command input:

viewpoint = P2

Related Topics: