Craig asks:


> I know Stan no longer subscribes to the list...

I still check it from time to time ... far more often than
I check the HP ITRC forums :)

> But could someone ask him...
>
> What is a "Conditional Trap (HARDWARE INTERRUPT 13)?"
>
> Inquiring minds wanna know...

You executed a particular PA-RISC instruction that trapped :)

An example is the SUBT,>   22,1,0
instruction, which Pascal/iX might emit as part of the range
checking code generated for:  i := i + j,   where "i" is a 
16 bit signed integer.

When SUBT's condition is satisfied, hardware trap 13 is caused.
Note that the trap handler may report this as:
   **** Bound violation or range error (TRAPS 12).


To get more information, do:       :setdump
before running your program.  If you trap again, enter:

    dr
and
    dc pc

-- 
Stan Sieler
work:     www.allegro.com
personal: www.sieler.com/wanted/index.html  

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