HP 64783A, User Manual

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Examples
Store only the accesses to the demo program’s current_humid location:
trace only range current_humid thru +1h
Store only bus cycles where data is in the range 6h..26h or is 29h:
trace only data range 6h thru 26h or data 29h
To use the sequencer
•
Create your first specification form on the command line. That will enter the
proper format in the Trace Specification Selection dialog box. Obtain the dialog
box by choosing Trace
→
Trace Spec... You can click on your specification in the
dialog box, edit it if desired, and click OK.
•
Using the command line, specify a trace sequence by entering:
trace find_sequence <bus_state> occurs <#times> [then
<bus_state>
occurs <#times>] trigger <bus_state>
<bus_state> represents a combination of address, data and status expressions that
must be matched to satisfy the trigger or sequence qualifier. <#times> is the
number of times that bus state must occur to satisfy the qualifier.
The trace sequencer allows you to specify up to seven sequence terms (including
the trigger) that must be satisfied to trigger the analyzer. If you use the windowing
specification, the sequence specification is limited to four sequence terms.
Example
Use the analyzer sequencer to trigger after finding a series of events:
trace find_sequence main then update_sys.get_targets
trigger after proc_spec
Chapter 5: Using the Emulation-Bus Analyzer
Making Complex Trace Measurements
240