Any word on OS/2 for PDP-11?

Rick Murphy rick at rickmurphy.net
Tue Feb 5 21:32:02 CST 2008


At 09:14 PM 2/5/2008, Roger Ivie wrote:
>On Tue, 5 Feb 2008, Patrick Finnegan wrote:
>>The VAX-11/750 currently in my basement certainly doesn't have a PDP-8
>>installed in it.  Pictures:
>
>I'm not aware of any VAXen with a PDP-8 front end. The odd PDP-8 rumor
>that I always heard was the the 11/780 had a secret, undocumented PDP-8
>emulation mode, just because the guy that wrote the microcode liked
>PDP-8s. I always suspected this was an urban legend, or a corruption of
>the rumor about how software development for the DECmate started out on
>a PDP-11/60 that was microcoded with a PDP-8 emulator (don't really know
>if *that* one is true, either).

That's the first I've heard of a PDP-8 mode of the 780.
As far as the 11/60 emulator rumor, that one is true. Some of the WPS-8 
software development (in Merrimack, NH IIRC) was done on an 11/60 with 
PDP-8 emulator microcode.
         -Rick




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