On Mon, 2009-11-16 at 14:36 -0500, Martin Kline wrote:
> If it was written in the eighties, there was little documentation and fewer 
> macros to support subsystem interface.

IBM did teach basic SSI architecture in that two-week MVS internals
class.  

> I remember spending many hours pouring over microfiche

Yes.  I think I remember Ron Higgins over at GUIDE shepherding an SSI
cookbook.  Marc Schare puzzled over the SSI too, and gave us TSSO.

-- 
David Andrews
A. Duda and Sons, Inc.
david.andr...@duda.com

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