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   NAME
        ReadEClock -- Get the current value of the E-Clock. (V36)

   SYNOPSIS
        E_Freq = ReadEClock( Dest )
        D0                   A0

        ULONG ReadEClock ( struct eclockval * );

   FUNCTION
        This routine calculates the current 64 bit value of the E-Clock
        and stores it in the destination eclockval structure. the count
        rate of the E-Clock is also returned.

        A0 will be left unchanged

        This is a low overhead function designed so that very short
        intervals may be timed.

   INPUTS
        Dest -- pointer to an eclockval structure.

   RETURNS
        Dest -- the eclockval structure will contain the e-clock time
        E_Freq -- The count rate of the E-Clock (tics/sec).

   NOTES
        This function may be called from interrupts.

   SEE ALSO

   BUGS