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Re: BBC BASIC, Long Strings, And BeagleBoard

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On 15-Jun-2012, Rick Murray <heyrickmail-usenet@yahoo.co.uk> wrote:

> On 05/06/2012 08:37, David Holden wrote:
>
> > The trouble is that it makes the data effectively unreadable for
> > anything
> > except BBC Basic.
>
> It's a doddle in C (just byte read it backwards into the string) and was
> fairly easy also under VB. Hell, it was a lot easier than recoding the
> string read functions myself so that VB could cope with RISC OS
> terminated text without freaking out.
>
Yes, it's a doddle in anything, but, as you pointed out, you have to write
special routines to deal with it.
>
> > WHILE ?name%>13       :REM repeat until end of name found
> >    ?ptr%=?name%       :REM copy a character
> >    ptr%+=1:name%+=1       :REM inc pointers
> > ENDWHILE
> > ?ptr%=0:ptr%+=1       :REM terminate string and inc ptr%

> In case it was missed, note the terminator looked for (13) and the
> terminator set in the array (0) are not the same.

Looked for by what? Just about everything except BBC Basic recognises 0 as a
terminator. Even the BBC Basic GET$# does, so it would seem more sensible to
use 0. Remember the whole point of the exercise is to *avoid* Basic strings.

-- 
David Holden  -  APDL  -  <http://www.apdl.co.uk>

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BBC BASIC, Long Strings, And BeagleBoard Michael <michaelremerton@gmail.com> - 2012-06-04 03:19 -0700
  Re: BBC BASIC, Long Strings, And BeagleBoard "David Holden" <SpamBin@apdl.co.uk> - 2012-06-04 13:37 +0000
    Re: BBC BASIC, Long Strings, And BeagleBoard Gavin Wraith <gavin@wra1th.plus.com> - 2012-06-04 15:49 +0100
      Re: BBC BASIC, Long Strings, And BeagleBoard Michael <michaelremerton@gmail.com> - 2012-06-04 17:20 -0700
        Re: BBC BASIC, Long Strings, And BeagleBoard "David Holden" <SpamBin@apdl.co.uk> - 2012-06-05 06:37 +0000
          Re: BBC BASIC, Long Strings, And BeagleBoard spampling <spam.pling@btinternet.com> - 2012-06-05 10:13 +0100
            Re: BBC BASIC, Long Strings, And BeagleBoard "John Williams (News)" <UCEbin@tiscali.co.uk> - 2012-06-05 12:06 +0200
              off-topic -  was Re: BBC BASIC, Long Strings, And BeagleBoard spampling <spam.pling@btinternet.com> - 2012-06-05 16:25 +0100
          Re: BBC BASIC, Long Strings, And BeagleBoard Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-06-15 08:37 +0200
            Re: BBC BASIC, Long Strings, And BeagleBoard "David Holden" <SpamBin@apdl.co.uk> - 2012-06-15 08:58 +0000
              Re: BBC BASIC, Long Strings, And BeagleBoard Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2012-06-15 17:37 +0200
                Re: BBC BASIC, Long Strings, And BeagleBoard Paul Sprangers <Paul@sprie.nl> - 2012-06-15 18:34 +0200
              Re: BBC BASIC, Long Strings, And BeagleBoard Frank de Bruijn <zuiderduin@hotmail.com> - 2012-06-16 08:25 +0200
                Re: BBC BASIC, Long Strings, And BeagleBoard "David Holden" <SpamBin@apdl.co.uk> - 2012-06-16 07:57 +0000
                Re: BBC BASIC, Long Strings, And BeagleBoard Steve Drain <steve@kappa.me.uk> - 2012-06-16 11:00 +0100
                Re: BBC BASIC, Long Strings, And BeagleBoard Michael <michaelremerton@gmail.com> - 2012-08-06 01:28 -0700
                Re: BBC BASIC, Long Strings, And BeagleBoard Frank de Bruijn <zuiderduin@hotmail.com> - 2012-06-16 12:05 +0200
        Re: BBC BASIC, Long Strings, And BeagleBoard Richard Russell <news@rtrussell.co.uk> - 2012-06-07 06:29 -0700
      Re: BBC BASIC, Long Strings, And BeagleBoard jgh@arcade.demon.co.uk (Jonathan Graham Harston) - 2012-06-05 20:59 +0100

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