Modifying the memory of the Express LUT function at runtime

Is it possible to get at the memory block of the express Lookup Table 1D function.  I can code the equivalent routine but can't get single cycle execution.  I would like the LUT function to reference a global memory block so that I can update the waveform during runtime while keeping single cycle loop execution speed.
Stu
Stu McFarlane
Viewpoint Systems, Inc.

There is unique constraint or index on SETUP_CODE column?
Probably, the list contains duplicated values.

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