Re: quick review of <BUILDS and CREATE history

Newsgroups	comp.lang.forth
Date	2014-01-23 11:42 -0800
References	<op.w9x40in85zc71u@localhost> <a9515cf3-de28-462c-a9a1-18056d65b655@googlegroups.com> <52e12096$0$24921$e4fe514c@dreader36.news.xs4all.nl> <e50d648b-a7a3-4c58-8029-4f1b838c125b@googlegroups.com> <7xbnz2xzmb.fsf@ruckus.brouhaha.com>
Message-ID	<51c7bfce-7175-4e81-bcb7-3aa40a90ef39@googlegroups.com> (permalink)
Subject	Re: quick review of <BUILDS and CREATE history
From	trebor.english@gmail.com

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On Thursday, January 23, 2014 2:33:00 PM UTC-5, Paul Rubin wrote:
> trebor.english@gmail.com writes:
> 
> > There was a suggestion to copy to ram, erase, copy back to flash.
> > That will be slow and require a ram area of 128 words, 256 bytes,
> 
> Another possibility is write to an unused page (or more than one) in
> flash and keep moving a pointer forward (use a ram cell to hold the
> pointer).  Copy back from this temp flash once the DOES> is handled.
> Once the temp data in flash has filled a whole page, erase it.

Granted, you can start a definition in one place, copy for the smudge bit, copy for the immediate bit, copy for the DOES> CFA or copy for the CFA for ;CODE.  All this copying is so that you can lay down wrong stuff in the dictionary and come back to fix it later.  My point is still that it is possible to put stuff into flash when you have the necessary information rather than write junk because it is traditional and easy to write junk before you know what needs to be there.  With flash it is harder to clean up the junk.  It is not hard to only write good stuff, just not traditional.

Copying to another piece of flash is fine now since the endurance is 100,000 erase cycles.  When it was only 1000 cycles copying to other flash pages was not such a good idea.  Yes it can be done.  Slowly, with lots more code.

Thread

quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-19 13:15 -0500
  Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-19 20:07 +0000
    Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-19 21:45 +0000
  Re: quick review of <BUILDS and CREATE history Coos Haak <chforth@hccnet.nl> - 2014-01-19 22:02 +0100
  Re: quick review of <BUILDS and CREATE history Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-01-19 17:24 -0600
    Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-19 14:54 -1000
      Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-19 22:37 -0500
        Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-19 18:01 -1000
          Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-20 00:27 -0500
            Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-19 20:54 -1000
              Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-19 21:19 -1000
              Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-20 16:14 -0500
                Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-20 12:07 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-21 11:37 -0500
                Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-21 17:41 +0000
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 08:30 -1000
                Re: quick review of <BUILDS and CREATE history oh2aun@gmail.com - 2014-01-21 11:17 -0800
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 09:44 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-21 15:18 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 12:07 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-21 22:04 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 19:21 -1000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-22 13:38 +0000
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-22 08:50 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-23 17:17 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-23 13:46 -1000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-24 15:07 +0100
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-25 15:18 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-25 20:18 +0100
                Re: quick review of <BUILDS and CREATE history Coos Haak <chforth@hccnet.nl> - 2014-01-25 20:44 +0100
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-25 21:41 +0100
                Re: quick review of <BUILDS and CREATE history "Alex McDonald" <blog@rivadpm.com> - 2014-01-25 22:47 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-26 01:54 +0100
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-27 16:49 +0000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-27 15:40 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-27 23:00 +0100
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-27 19:43 -0500
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-28 09:25 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-28 19:45 +0100
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-30 15:32 +0000
                Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-28 14:20 +0000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-25 15:28 +0000
                Re: quick review of <BUILDS and CREATE history Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-01-25 13:51 -0600
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-27 15:34 +0000
                Re: quick review of <BUILDS and CREATE history Lars Brinkhoff <lars.spam@nocrew.org> - 2014-01-24 08:11 +0100
                Re: quick review of <BUILDS and CREATE history Mark Wills <markrobertwills@yahoo.co.uk> - 2014-01-24 01:28 -0800
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-24 05:00 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-24 09:32 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-24 17:48 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-24 13:14 -1000
                Re: quick review of <BUILDS and CREATE history Mark Wills <markrobertwills@yahoo.co.uk> - 2014-01-24 16:16 -0800
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-02-23 12:13 -0500
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-22 13:32 +0000
            Re: quick review of <BUILDS and CREATE history Mark Wills <markrobertwills@yahoo.co.uk> - 2014-01-20 04:14 -0800
              Re: quick review of <BUILDS and CREATE history Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-01-20 06:31 -0600
                Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-20 08:04 -1000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-21 14:09 +0000
              Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-20 16:14 -0500
  Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-22 17:44 -0800
  Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-22 18:24 -0800
    Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-23 14:00 +0000
      Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-23 11:06 -0800
        Re: quick review of <BUILDS and CREATE history Paul Rubin <no.email@nospam.invalid> - 2014-01-23 11:33 -0800
          Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-23 11:42 -0800
        Re: quick review of <BUILDS and CREATE history Mikael Nordman <oh2aun@gmail.com> - 2014-01-23 11:51 -0800

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