From owner-freebsd-questions@FreeBSD.ORG Sun Nov 30 14:59:05 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 94BE08E7 for ; Sun, 30 Nov 2014 14:59:05 +0000 (UTC) Received: from mail-qg0-x234.google.com (mail-qg0-x234.google.com [IPv6:2607:f8b0:400d:c04::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ADC4C3C for ; Sun, 30 Nov 2014 14:59:04 +0000 (UTC) Received: by mail-qg0-f52.google.com with SMTP id a108so6342418qge.25 for ; Sun, 30 Nov 2014 06:59:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsd.com.br; s=capeta; h=date:from:to:subject:message-id:in-reply-to:references:organization :mime-version:content-type:content-transfer-encoding; bh=DINnrcwIWgTBxnszDZgZ+edpp6zPL6gX+XfhwtL9X3E=; b=XVI5K0UfbVdML8J0F9RfnrYqbsqpgs7UNgz3+b+R9YB/WwNqC/lX6JFadlezYCNDwL J/0vM97HZl7UiZNSSDopb9pGq1k8LX5lgB8lyH+4QkfQIv96Xb9cUOexXERQu/3SWElK aRsp6+VUk2wxcYAXahVkVGSfNGPMw1U7es/tY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:subject:message-id:in-reply-to :references:organization:mime-version:content-type :content-transfer-encoding; bh=DINnrcwIWgTBxnszDZgZ+edpp6zPL6gX+XfhwtL9X3E=; b=P3L844sYnyA0LMs9J1As8WdK9d3KnopH5/Ci7Rjem7Fhdo9iqZIYnyMY+l8cG7Xa7Z XzqTgDb1BgFMi6DLFyAHDqVG/TpdpgMvTsZJdiaA4QMfOBMK6vvo4ownrYDIWJseS/R7 Qy435N5z4ZXizJc9E0lMHP7C5IrWQAB6t536bBr1p4Dmp9cN0ilcxhLaf0jsmOWH0lHL ylRI2MsPK73JEnwKfGw6GSIEAEPQL3MVAFSatHcmmtKAox7WAFoUnMZ4RWvcIDHqqlGf 0r4+cdDDzCyvr5x1iFJA+gOLXYXWoR5/BDry5RdJPiKoXA4enfR/eTGtA8xOoIfOBdcw Nmcg== X-Gm-Message-State: ALoCoQkSECH3wFte3nvsbI2pvITgvWCoA06c5UK1z4NO7j33xgq0DjN+twFniACfxaPR/nN0+mJR X-Received: by 10.140.108.201 with SMTP id j67mr78155723qgf.89.1417359543933; Sun, 30 Nov 2014 06:59:03 -0800 (PST) Received: from Papi ([177.98.94.46]) by mx.google.com with ESMTPSA id d9sm14810739qam.26.2014.11.30.06.59.02 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 30 Nov 2014 06:59:03 -0800 (PST) Date: Sun, 30 Nov 2014 11:57:27 -0300 From: Mario Lobo To: freebsd-questions@freebsd.org Subject: Re: Second all the authors of references about computers programming, is necessary develop currently in Assembly, Decimal code, Octal code, Hex code, Code that tweaks other code to do bad things which is another form of writing machine code, Binary code, Microcode? Message-ID: <20141130115727.76d9ab1e@Papi> In-Reply-To: References: Organization: BSD X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.22; amd64-portbld-freebsd10.0) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Nov 2014 14:59:05 -0000 =C3=94 Jorge ... vai arranjar uma trouxa de roupa pra lavar !! ML On Sat, 29 Nov 2014 12:56:24 -0200 fran=C3=A7ai s wrote: > Second all the authors of references about computers programming, is > necessary develop currently in: >=20 > Assembly?; >=20 > KERMIT?; >=20 > Kermit is a file transfer program written entirely in assembler on > many platforms for speed. Kermit is quite large and sophisticated, > which was a barrier to entry back in the day before the internet and > most communications protocols were standardized. To ease the > transition, and taking advantage of the .COM format in DOS, kermit > came with a bootstrap program that was made up entirely of printable > characters so that one could easily type it in (well, not so easily, > but it was possible since it was only maybe a hundred or two bytes > long). The authors of this program had to learn which assembler op > codes and addressing modes lead to printable characters and write > their code accordingly. Not exactly programming directly in machine > code, but very close. It was really quite an impressive bootstrap > technique. >=20 > Decimal code?; >=20 > Octal code?; >=20 > Hex code?; >=20 > Code that tweaks other code to do bad things which is another form of > writing machine code?; >=20 > Binary code?; >=20 > Microcode? >=20 > Comparing the responses of all the authors of references about > computers programming about all the levels of computers programming > that I quoted above, exist different opinions? > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"