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Signal assignment statement

The signal assignment statement is used to modify the projected waveform of a given signal. The syntax is: The operation of the signal assignment statement is described in the section on concurrent statements. Note, though, that while the signal assignment can occur as a sequential statement, if a value is assigned to a signal in a sequential process, then that signal will not have that value when the next statement is executed. This is due to the fact that the signal assignment does not modify the value of the signal directly, but modifies the projected waveform of that signal. Waveforms are described in the next section.