Does anyone have an electronic copy of the "OS/8 SoftwareSupportManual"?

Rich Alderson RichA at
Mon Sep 8 20:33:21 CDT 2008

> From: Vincent Slyngstad
> Sent: Monday, September 08, 2008 5:59 PM

>> I have my sbc6120 here and wanted to do a little OS/8
>> programming, but I think I'm stumped for a particular bit of
>> doco - according to the "OS/8 System Reference Manual"
>> (DEC-8-OSRMA-A-D), the User Service Routine is documented in
>> the "OS/8 Software Support Manual" (DEC-8-OSSMA-A-D).  I've
>> found many OS/8 docs on Highgate and Bitsavers
>> (DEC-S8-OSSMB-A-D, the 1974 "OS/8 Handbook", memos, etc.), but
>> not that exact one.

> I also have lots of OSSMB but no OSSMA.

>> The reason why it matters is that if you want to do file I/O,
>> directory lookups, etc., you use the USR.  For stuff that
>> doesn't depend on OS/8 filesystem operations, there's plenty
>> of info out there for FORTRAN, BASIC, FOCAL, assembler, etc.
>> Imagine trying to program in UNIX without knowing how to setup
>> and call stdio routines.  That's kinda where I'm at.  I've
>> found one or two narrow examples where some code fragments
>> call the USR for a particular function, but I really just need
>> the Software Support Manual.

> OSSMB has some stuff about USR in chapter 2, and Appendix F has
> some code examples of how to do the usual stuff.

> Was there additional information in OSSMA?

I have access to hardcopy of two editions, at the computer room.
I'll check tomorrow and let everyone know.

Rich Alderson                                               
Server Engineer, PDPplanet Project                          
Vulcan, Inc.
505 5th Avenue S, Suite 900
Seattle, WA 98104           

mailto:RichA at
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