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From: andrew@orca.UUCP (Andrew Klossner)
Newsgroups: net.micro.16k
Subject: Re: Typo in 32000 Instruction Set Reference Manual ???
Message-ID: <1403@orca.UUCP>
Date: Sat, 16-Mar-85 14:57:52 EST
Article-I.D.: orca.1403
Posted: Sat Mar 16 14:57:52 1985
Date-Received: Mon, 18-Mar-85 07:03:04 EST
References: <1832@sdcrdcf.UUCP>
Organization: Tektronix, Wilsonville OR
Lines: 20

> According to the National Semiconductor 32000 Instruction Set Reference
> Manual the instruction ...
> 
> 		extw	r0, 0(r1), r2, 7
> 
> produces the code: 		  2E 81 40 00 07.
> 
> I say that it should be ... 	  2E 81 48 00 07.
> 
> Is this indeed a typo or am I constructing the instruction
> incorrectly???
> 
> Could someone please run this through a 32000 assembler and let me know
> what the true encoding for extw... is?

I just ran this through the assembler on a Tektronix 6130 and it agrees
with you.  The manual is in error.

  -- Andrew Klossner   (decvax!tektronix!orca!andrew)       [UUCP]
                       (orca!andrew.tektronix@csnet-relay)  [ARPA]