IBM System/360 Model 44 Pamphlet

william degnan billdegnan at gmail.com
Fri Dec 9 13:56:50 CST 2016


On Fri, Dec 9, 2016 at 1:40 PM, Paul Koning <paulkoning at comcast.net> wrote:

>
> > On Dec 9, 2016, at 1:22 PM, william degnan <billdegnan at gmail.com> wrote:
> >
> > IBM System/360 Model 44 Pamphlet from Nov 1968
> >
> > http://www.vintagecomputer.net/browse_thread.cfm?id=659
>
> Nice.  The caption is odd; it claims that "... instruction set was
> compatible with the /30 through /91 models" when the pamphlet itself makes
> it quite clear that this is not so (no SS instructions).
>
> It's curious that the emulation feature, which adds software emulation of
> those instructions, isn't mentioned, and in fact I haven't seen it
> mentioned anywhere.
>
>         paul
>
>
>
Paul,
You're right, the brochure says only through the /75, my error.  I fixed
the page.

I should have written programs written for the Model 44 will be compatible
with the System/360 Model 30 through 91, provided the configurations are
comparable and the programs and not time dependent.

Bill


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