On Monday, June 22, 2020 at 1:07:42 AM UTC+2, hughag...@gmail.com wrote:segments:
Note that the Beez's code doesn't work.You're so VERY wrong. Simply because you don't take 4tH's architecture into consideration.
Normally, ," stores the string at HERE --- embedding the strings
in the table makes each entry a different length, so a binary-search
won't work. If we assume that ," stores the string elsewhere and only stores the address at HERE with comma, then this still doesn't work.
The 2/ assumes that the table entry is 2 bytes (on a 16-bit Forth),
but it is actually 4 bytes because we have both the string address
and the xt value in each entry.
This is non-working fantasy code.
(1) 4tH doesn't have a dictionary - so compiling code is not linear (like in Forth). Nothing (except initialized data) is allocated and stuff ends up in other places - like a symbol table;
(2) You don't subscribe to the standard "Harvard architecture" definition. That's ok. Everyone is allowed to make their own private definitions that they use in the privacy of their own homes. But that's what 4tH has. It features several distinct
[a] The Integer Segment, that consists of words and houses variables and the stack;String Segment, you will get a reference to the PAD in the Character Segment, where this string literal has been copied to, since the String Segment itself is non-readable in 4tH.
[b] The Character Segment, that consists of bytes and houses writable strings, number generator buffer, TIB and PAD;
[c] The String Segment, that houses character constants and is both non-readable and non-writable;
[d] The Code Segment, that houses compiled Forth words, including integer constants and is non-writable;
[e] The Symbol Table, that contains Forth names and references - usually discarded after compilation;
[f] The Header, which is is both non-readable and non-writable and ties it all together.
The size of each element in each Segment is.. 1. To get from an "address" in the Code Segment to the next one is to add one. Both CELLS and CHARS are dummies, because their reference is always.. multiply by ONE.
Hence you don't read "table entry is 2 bytes", you have to read "table entry is 2 (Code Segment) elements" - which is completely correct.
And yes, only the string reference is stored in that element. The string is a string literal, which is stored in the String Segment. Therefore, you will need @C to retrieve it (CROSS wordset). As a matter of fact, you won't even get a reference to the
There are plenty of 4tH programs in 4tH's Sourceforge repository, which will prove this is NOT "fantasy code".https://medium.com/p/18f0b431e5
Of course, if I wanted to make this thing portable, I would have written stuff like "2 CELLS /" (which is perfectly valid 4tH - or Forth - code). But sometimes I don't need to and can do without the hustle. So I don't.
Hans Bezemer
Le mardi 22 mars 2022 à 15 h 15 min 42 s UTC+1, the.bee...@gmail.com a écrit :segments:
On Monday, June 22, 2020 at 1:07:42 AM UTC+2, hughag...@gmail.com wrote:
Note that the Beez's code doesn't work.You're so VERY wrong. Simply because you don't take 4tH's architecture into consideration.
Normally, ," stores the string at HERE --- embedding the strings
in the table makes each entry a different length, so a binary-search won't work. If we assume that ," stores the string elsewhere and only stores the address at HERE with comma, then this still doesn't work.
The 2/ assumes that the table entry is 2 bytes (on a 16-bit Forth),
but it is actually 4 bytes because we have both the string address
and the xt value in each entry.
This is non-working fantasy code.
(1) 4tH doesn't have a dictionary - so compiling code is not linear (like in Forth). Nothing (except initialized data) is allocated and stuff ends up in other places - like a symbol table;
(2) You don't subscribe to the standard "Harvard architecture" definition. That's ok. Everyone is allowed to make their own private definitions that they use in the privacy of their own homes. But that's what 4tH has. It features several distinct
the String Segment, you will get a reference to the PAD in the Character Segment, where this string literal has been copied to, since the String Segment itself is non-readable in 4tH.[a] The Integer Segment, that consists of words and houses variables and the stack;
[b] The Character Segment, that consists of bytes and houses writable strings, number generator buffer, TIB and PAD;
[c] The String Segment, that houses character constants and is both non-readable and non-writable;
[d] The Code Segment, that houses compiled Forth words, including integer constants and is non-writable;
[e] The Symbol Table, that contains Forth names and references - usually discarded after compilation;
[f] The Header, which is is both non-readable and non-writable and ties it all together.
The size of each element in each Segment is.. 1. To get from an "address" in the Code Segment to the next one is to add one. Both CELLS and CHARS are dummies, because their reference is always.. multiply by ONE.
Hence you don't read "table entry is 2 bytes", you have to read "table entry is 2 (Code Segment) elements" - which is completely correct.
And yes, only the string reference is stored in that element. The string is a string literal, which is stored in the String Segment. Therefore, you will need @C to retrieve it (CROSS wordset). As a matter of fact, you won't even get a reference to
https://sites.google.com/view/tahmiloghniyatalghazalarayka/ https://sites.google.com/view/terrifier2streaming/ https://sites.google.com/view/ziyadatmotabinhakikiyin/ https://sites.google.com/view/how-to-heal-acne-scars-fast/ https://sites.google.com/view/code-de-triche-sims-4-pc/code-de-triche-sims-4-ps4-argentThere are plenty of 4tH programs in 4tH's Sourceforge repository, which will prove this is NOT "fantasy code".
Of course, if I wanted to make this thing portable, I would have written stuff like "2 CELLS /" (which is perfectly valid 4tH - or Forth - code). But sometimes I don't need to and can do without the hustle. So I don't.
Hans Bezemerhttps://medium.com/p/18f0b431e5
EuroForth 2019 will be held in Hamburg, Germany on September 13-15.https://sites.google.com/view/does-creatine-cause-hair-loss/ https://sites.google.com/view/femalepatternhairlossnews/
The deadline for the academic stream (refereed) papers is June 30. So
now is the time to write up your research to have it ready by the
deadline. For industrial (non-refereed) papers the deadline is August
31.
The call for papers including submission instructions can be found on <http://www.euroforth.org/ef19/cfp.html>. The conference home page (including registration) is: <http://euro.theforth.net/>
All dates known up to now:
June 30: Deadline for draft papers (academic stream)
July 31: Notification of acceptance of academic stream papers
August 31: Deadline for camera-ready paper submission
September 11-13: Forth200x meeting
September 13-15: EuroForth 2019 conference
Paper proceedings are available at the conference, and online
proceedings (usually also including slides for presentations without
papers) are made available after the conference.
- anton
--
M. Anton Ertl http://www.complang.tuwien.ac.at/anton/home.html comp.lang.forth FAQs: http://www.complang.tuwien.ac.at/forth/faq/toc.html New standard: http://www.forth200x.org/forth200x.html
EuroForth 2019: http://euro.theforth.net/
EuroForth 2019 will be held in Hamburg, Germany on September 13-15.<a href="https://admitportal.iau.edu.sa/Web/en/Home/SetLanguage?langtag=ar&returnUrl=https://sites.google.com/view/does-creatine-cause-hair-loss/">Does creatine cause hair loss</a>
The deadline for the academic stream (refereed) papers is June 30. So
now is the time to write up your research to have it ready by the
deadline. For industrial (non-refereed) papers the deadline is August
31.
The call for papers including submission instructions can be found on <http://www.euroforth.org/ef19/cfp.html>. The conference home page (including registration) is: <http://euro.theforth.net/>
All dates known up to now:
June 30: Deadline for draft papers (academic stream)
July 31: Notification of acceptance of academic stream papers
August 31: Deadline for camera-ready paper submission
September 11-13: Forth200x meeting
September 13-15: EuroForth 2019 conference
Paper proceedings are available at the conference, and online
proceedings (usually also including slides for presentations without
papers) are made available after the conference.
- anton
--
M. Anton Ertl http://www.complang.tuwien.ac.at/anton/home.html comp.lang.forth FAQs: http://www.complang.tuwien.ac.at/forth/faq/toc.html New standard: http://www.forth200x.org/forth200x.html
EuroForth 2019: http://euro.theforth.net/
Le mercredi 12 juin 2019 à 19:11:21 UTC+2, Anton Ertl a écrit :
EuroForth 2019 will be held in Hamburg, Germany on September 13-15.
The deadline for the academic stream (refereed) papers is June 30. So
now is the time to write up your research to have it ready by the deadline. For industrial (non-refereed) papers the deadline is August
31.
The call for papers including submission instructions can be found on <http://www.euroforth.org/ef19/cfp.html>. The conference home page (including registration) is: <http://euro.theforth.net/>
All dates known up to now:
June 30: Deadline for draft papers (academic stream)
July 31: Notification of acceptance of academic stream papers
August 31: Deadline for camera-ready paper submission
September 11-13: Forth200x meeting
September 13-15: EuroForth 2019 conference
Paper proceedings are available at the conference, and online
proceedings (usually also including slides for presentations without papers) are made available after the conference.
- anton<a href="https://admitportal.iau.edu.sa/Web/en/Home/SetLanguage?langtag=ar&returnUrl=https://sites.google.com/view/does-creatine-cause-hair-loss/">Does creatine cause hair loss</a>
--
M. Anton Ertl http://www.complang.tuwien.ac.at/anton/home.html comp.lang.forth FAQs: http://www.complang.tuwien.ac.at/forth/faq/toc.html New standard: http://www.forth200x.org/forth200x.html
EuroForth 2019: http://euro.theforth.net/
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