On Wed, 2 May 2012 21:47:31 -0500, Justin R. Bendich <[email protected]> 
wrote:


>   9.  BSG (BRANCH IN SUBSPACE GROUP)
>
> 10.  Invoke XDC via its SVC HOOK.
>
>I then examine the STCBFLG1 byte and find that it's zero.

I don't know for sure how this all works, but have you considered the 
possibility that step 10 takes you out of subspace mode until you return from 
the SVC? Why not try checking the flag from your code, instead? Then you'll 
know for sure.

-- 
Walt

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