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Boolean Equations and Instant Feedback

Signal properties dialog box

Here is an example that shows how Boolean equations are used. The signal properties dialog box on the left is for SIG2. SIG2 is defined by the simple Boolean equation SIG0 and SIG1. Notice that the Continuously Simulate box is checked in the dialog box (SIG2 is colored purple to indicate it is continuously simluated). This causes SIG2 to be automatically updated when either SIG0 or SIG1 is edited. This is demonstrated below: One of the signal edges in SIG1 is edited, updating SIG2 instantly. The continuous simulation feature cuts down design time by avoiding the re-calculation of waveforms by hand.

animated gif of continuous simulation

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