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Chapter 7: Using the Emulation-Bus Analyzer
Making Complex Trace Measurements
To use address, data, and status values in trace
expressions
• Enter the value(s) desired in the entry buffer (such as address 1000h). Then
Choose Trace→After(), Trace→Before(), or Trace→About(), as desired.
• Using the command line, enter commands as follows:
•
<expression> -or- address <expression>
•
data <expression>
•
status <expression>
Many trace commands require that you enter address, data and status expressions to
specify the bus state. You can combine multiple expressions on the same command
line to build a complete bus state qualifier. You can also use logical operators to
build more complex states. Refer to Chapter 11, "Emulator/Analyzer Interface
Commands", for details.
The default expression type is address, therefore you don't need to specify the
address keyword when you enter an address expression.
Example
Start a trace and store only writes of 0 hex to the graph address in the demo
program:
trace only graph data 0 status write
210
To specify an address expression, enter:
To specify a data expression, enter:
To specify a status expression, enter:
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