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    User name R. Michaels

    Log entry time 11:05:44 on March31,2009

    Entry number 266566

    Followups:

    keyword=scalers added to R-HRS, problems.

    I added 3 scalers to the R-HRS.

    Later Bo Zhao will take care of the gating by helicity
    and target state.

    There were some snags

    1. I have to set the Input Mode to zero upon boot, else the
    "CLR" light is permanently on and the scalers don't count.

    2. As with our other scaler banks, there is a signif. chance of
    a scaler becoming "bad" -- the symptom is it reads all -1.
    One has to power-cycle to clear this.

    3. One of the scalers didn't work with address offset 0xceb000.
    I tried swapping scaler units, swapping slots, etc. Finally
    tried a lower address (last b -> 0) and it worked.

    At the moment all the scalers work (test with primitive code).
    I will add this to xscaler later.