July 2017 - Oberon - mailman3.inf.ethz.ch

OP2 Vs Wirth's compiler.
by Srinivas Nayak 29 Jul '17

29 Jul '17

Dear All, How is OP2 better than Wirth's (simple four module) compiler? If we look at http://www.ethoberon.ethz.ch/compiler/index.html#report, in "Compiler deployment in the maintained ports" section, we find that OP2 is present in almost all ports of Oberon. May be Wirth's compiler only got used in his Ceres system and FPGA system. So why OP2 was always chosen in all Oberon ports where as Wirth always used his simple four module version? With thanks and best regards, Yours sincerely, Srinivas Nayak Home: http://www.mathmeth.com/sn/ Blog: http://srinivas-nayak.blogspot.in/

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FW: V4 Native?
by Treutwein Bernhard 28 Jul '17

28 Jul '17

>It did run on the Ceres. Does anybody still have Ceres versions of a program? It would be very interesting. There was also ETHOS by Clemens Szyperski on the Ceres, which I would love to see ... -- Bernhard

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Re: [Oberon] V4 Native?
by Treutwein Bernhard 28 Jul '17

28 Jul '17

> Did V4 ever run on a bare machine? The Linz Web site mentions it > running on Linux, Unix & etc. Not on a bare machine. Afaik: No A V4 Native is something I several times thought about and since the System-3 kernel added persistent objects to Version-2 and V4 and S3 are both based on V2, I guess it should be manageable. The differences between different V4 implementations may be seen/extracted from Claudio Nieders collection, which is available at sourceforge: https://sourceforge.net/p/oberon/oberonv4/ci/master/tree/ and his (together with Ralph Degner) attempt to create a unified V4. I tried to enclose a "Towards a unified Oberon V4", but apparently Pipermail suppresses such mails, so I repost my message without that pdf. -- Bernhard

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V4 Native?
by peter＠easthope.ca 27 Jul '17

27 Jul '17

Hi, Did V4 ever run on a bare machine? The Linz Web site mentions it running on Linux, Unix & etc. Not on a bare machine. Thanks, ... P. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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Re (n): syntax in BB, CP, GPCP and V4 ...
by peter＠easthope.ca 27 Jul '17

27 Jul '17

From: SvZyZw== <joerg.straube(a)iaeth.ch> Date: Fri, 21 Jul 2017 11:35:49 +0200 > Attached the V4 version. In my sandbox for preview. https://en.wikibooks.org/wiki/User:PeterEasthope/sandbox Complaints welcome. In the Oberon Mail viewer the source was peppered with blank lines. Assuming you didn't intend that, I removed them. Is there a convention for indentation? Two blanks for each step? Four blanks for each step? A tab character for each? Entirely personal preference? The compilation section now begins with sentences about overwriting an object file. https://en.wikibooks.org/wiki/Oberon#Compilation Your prefixing the module name with a context identifier might be the rule in the wikibook. Some readers will claim it is unnecessary but it will deflect many from unintentional overwriting. Can't please everyone. Thanks, ... Lyall E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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Re (2): Re (n): syntax in BB, CP, GPCP and V4 ...
by peter＠easthope.ca 24 Jul '17

24 Jul '17

From: "Skulski, Wojciech" <skulski(a)pas.rochester.edu> Date: Sun, 23 Jul 2017 18:11:52 +0000 > Robert Campbell. > > His Lib and many other BlackBox software is available from CPC, > Component Pascal Collection. Appears an installed BB or CP is needed to read the Lib. Might tackle it at a future time. Include in the wikibook? Are instructions to install V4 available? The Text of Joerg's V4Sort is plain style. Presumably italicization of comments and bolding of kewords are optional. Which of the four systems use that convention? Thanks, ... P. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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Free Oberon
by Артур Ефимов 23 Jul '17

23 Jul '17

Dear Oberoners, I would like to announce, that recently a new project - Free Oberon - was officially released (under GNU GPLv3). The website is http://freeoberon.su/en and the sources are also available on GitHub. This is an (alpha) version 0.1.0. Free Oberon is a cross-platform IDE for development in Oberon, made in the classical pseudo-graphic style (like Free Pascal). The IDE is also written in Oberon. One of its ideas is to popularize Oberon among people who use Free Pascal (there are many Free Pascal users in the former USSR) and among programming teachers. It is part of a bigger project, including programs, websites and books. Internally, it uses a modified Vishap Oberon Compiler (which is based on Ofront and which translates Oberon to C). The syntax is Oberon-2, but with 4-byte integers and additional built-in procedure FLOOR that converts REAL and LONGREAL to INTEGER (and not to LONGINT). The product is available on GNU/Linux and Windows, it includes a built-in module Graph that you can use "out of the box" to write cross-platform graphics programs (internally it uses SDL2). The project includes documentation in Russian and English languages. The English documentation can be found here: http://freeoberon.su/files/FreeOberon_v0.1.0_en.pdf I would appreciate hearing your thoughts on the project. You are also welcome to participate in it. Kind regards, Arthur Yefimov

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Re (n): syntax in BB, CP, GPCP and V4 ...
by peter＠easthope.ca 23 Jul '17

23 Jul '17

From: "Skulski, Wojciech" <skulski(a)pas.rochester.edu> Date: Sun, 23 Jul 2017 16:45:18 +0000 > IMHO, the most perfect formatting was worked out by Robert > in his Lib package for BlackBox. ... > Just have a look... Entirely unfamiliar territory for me. Which Robert? Is his convention described in text? Produced by an automated formatter? Must a system be installed to see the format? Thanks, ... Lyall E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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Re (n): syntax in BB, CP, GPCP and V4 ...
by peter＠easthope.ca 23 Jul '17

23 Jul '17

From: Hans Klaver <hklaver(a)dds.nl> Date: Sun, 23 Jul 2017 03:13:55 +0200 > The Oberon Wikibook and major Oberon textbooks preferably use a > proportional font (e.g. Helvetica or Times) for Oberon source text. https://en.wikipedia.org/wiki/Arial has, "It [Arial] was created to be metrically identical to the popular typeface Helvetica, ... so that a document designed in Helvetica could be displayed and printed correctly without having to pay for a Helvetica license." With no font-family in the <span style= ...> tag, the wikibook delivers HTML which the browsers here render in fixed pitch. To avoid that I specified fontFamily = "Arial" in the MediaWiki module. Maybe "Helvetica" would work better after all. Advice? > Changing a tab character into a fixed number of blanks is done easily ... Good. From: =?utf-8?B?SsO2cmc=?= <joerg.straube(a)iaeth.ch> Date: Sun, 23 Jul 2017 08:27:26 +0200 > Indentation is indeed a totally personal thing. > The compiler doesn=E2=80=99t need indentation at all, you could write = > your whole module on one line :-) > ... > All line[s] between BEGIN and END are indented by one tab. > ... From: Chris Burrows <chris(a)cfbsoftware.com> Date: Sun, 23 Jul 2017 15:58:17 +0930 > I do not recommend using tabs in source text because many different > editors / word processors / IDEs / printers / text search / text > comparison programs interpret tabs in different ways. > ... Considering that Joerg contibuted V4Sort, additional adjustments are according to his conventions. https://en.wikibooks.org/wiki/User:PeterEasthope/sandbox Probably some errors remain and I'm happy to edit further before moving from the sandbox to a book page. A "Stylistic Conventions" section can be added to the book later. I've never used any of the contexts or softwares listed in the subject line. In the future my efforts will probably focus more on the EO and Oberon contexts. The book is a wiki and anyone is welcome to pitch in. Regards, ... Lyall E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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FPGA - Save / Restore OBERON.FS
by Andreas Pirklbauer 22 Jul '17

22 Jul '17

There will be an enhanced Oberon file system in Experimental Oberon offering, amongst other things, larger file sizes.________________________________________ > From: Skulski, Wojciech skulski at pas.rochester.edu > Sent: Thu Apr 20 06:42:54 CEST 2017 > My biggest concern about Oeron FS is its limited size. > Wojtek

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