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From: gkb@necntc.NEC.COM (Greg Busby)
Newsgroups: comp.sys.ibm.pc,comp.unix.xenix
Subject: Re: NEC V30
Message-ID: <9695@necntc.NEC.COM>
Date: Thu, 1-Oct-87 12:04:42 EDT
Article-I.D.: necntc.9695
Posted: Thu Oct  1 12:04:42 1987
Date-Received: Mon, 5-Oct-87 04:14:14 EDT
References: <407@auscso.UUCP>
Reply-To: gkb@necntc.UUCP (Greg Busby)
Distribution: world
Organization: NEC Electronics Inc.  Natick, MA 01760
Lines: 21
Keywords: NEC V30 80186
Summary: Runs 80186 code
Xref: mnetor comp.sys.ibm.pc:8536 comp.unix.xenix:872

In article <407@auscso.UUCP> johnm@auscso.UUCP (John B. Meaders, Jr.) writes:
>I have noticed a few references to the V30's extra instructions including
>80186 code.  Will it really run '186 code?  It would be nice, because I
>could compile my local programs under Xenix to take advantage of it.
>-- 
>John B. Meaders, Jr.  1114 Camino La Costa #3083, Austin, TX  78752

This has sparked quite a bit of discussion, and I didn't know the answer
myself off the top of my head, so I tested it out using MASM 4.0 and
NEC's own RA70116, which uses NEC mnemonics and of course can assemble
all the extended instruction set for the V20/30.  After assembling the
80186 mnemonics I converted them over to NEC equivalents and assembled,
and the resulting object code is identical. This means that the V30 can
indeed run 80186 code (and the V20 runs 80188).

Disclaimer:  I work for NEC supporting software development tools for the
V-Series, among other, microprocessors.  Code was written in 80186
mnemonics and then converted using NEC's source converter program.
I should have known this off the top of my head, but now I do.

GKB