winIDEA Look Back: Fixing “Oh Wait, What Was That?”

There’s a uni­ver­sal debug­ging truth:

The impor­tant line is always the one you just stepped over.

Nor­mal­ly, that means run­ning every­thing again just to see it.

Look Back, a fea­ture in winIDEA, makes that instant. It lets you move back­ward in time through your debug ses­sion and inspect pre­vi­ous­ly cap­tured states with­out re-exe­cut­ing any­thing.

Fewer reruns, more insight

  • Smooth work­flow. Switch between Live debug­ging and Look Back to review pre­vi­ous­ly cap­tured snap­shots with sim­ple short­cuts.
  • Instant rewind. Move back to any pre­vi­ous state with­out re-run­ning, and see exact­ly what led to the issue.
  • Zero setup. Snap­shots are cap­tured auto­mat­i­cal­ly at each stop event (on steps, break­points, man­u­al halts). No pre-con­fig­u­ra­tion need­ed.
  • No extra tar­get traf­fic. Look Back uses what was already read at stop time; it does not do addi­tion­al inter­ac­tions with hard­ware.
Exlopre winIDEA Product Page

What you see when you rewind

  • Core reg­is­ters
  • Call stack
  • Locals and Watch­es
  • SFRs

Go ahead, Look Back

Ready to debug smarter? Down­load winIDEA now.
Expe­ri­ence Look Back and many more advanced debug­ging fea­tures.
Learn how to access and use the Look Back fea­ture in our doc­u­men­ta­tion.

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