Re: Typo in 32000 Instruction Set Reference Manual ???

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1 total messages Started by Mike Lesher Thu, 14 Mar 1985 15:57

#190

Author: Mike Lesher
Date: Thu, 14 Mar 1985 15:57

33 lines
1567 bytes

[Row, row, row your bits, gently down the stream...]

In article <> doon@sdcrdcf.UUCP (Harry W. Reed) writes:
>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?
>
>		Harry Reed.

Here is the direct output from the assembler:
------------------
      NSC 16032 MESA ASSEMBLER Version 3.31    9/19/83               PAGE: 1

      1  000000  2E814800                 extw    r0, 0(r1), r2, 7
                 07
------------------

You are correct, there is a typo in the manual!  If you require more
assistance, let me know.

Mike Lesher
Burroughs ASG, San Diego, CA.
(..!bmcg!mikel)

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