Subject:
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Re: NXC/NBC release news
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 2 Apr 2007 12:36:34 GMT
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Original-From:
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davis_nxt <dmle@doc.ic.ac^nospam^.uk>
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Viewed:
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4822 times
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Hi John,
Thank you for your reply. I will try your suggestion and let you know how it
goes.
Regards,
Davis
John Hansen-4 wrote:
>
> In lugnet.robotics, davis_nxt <dmle@doc.ic.ac.uk> wrote:
> > I would have expected the string "hello world" to be printed. However, "*
> > *"
> > is printed instead.
> > It seems that the value assignment operators for sarr's elements did not
> > work.
> > Am I using the right syntax?
>
> The standard NXT firmware has a bug in the replace opcode which makes it
> impossible to use with multi-dimensional arrays (or ragged arrays of
> arrays). I
> have fixed this bug and submitted the code to folks at NI and LEGO for
> possible
> inclusion in the next official firmware update. Hopefully they will
> include it.
> In the meantime you can use my unofficial build of the standard NXT
> firmware.
> It includes this fix. If you install the unofficial firmware image then
> you
> should be able to use the code as you have it written without any
> problems.
>
> The alternative is to build the contents of the string array using
> ArrayBuild*
> or to write it in an asm block with the arrbuild opcode (which is all the
> ArrayBuild* API functions do).
>
> Like this:
>
> #include "NXCDefs.h"
>
> task main() {
> string sarr[];
> ArrayBuild3(sarr, "hello", "world", "*");
> /*
> ArrayInit(sarr, "*",3);
> string s1 = "hello";
> string s2 = "world";
> sarr[0]=s1;
> sarr[1]=s2;
> */
> string ss1 = sarr[0];
> string ss2 = sarr[1];
> string tmp = StrCat(ss1, ss2);
> TextOut(0, LCD_LINE1, tmp);
> Wait(3000);
> }
>
>
> John Hansen
>
>
--
View this message in context: http://www.nabble.com/NXC-NBC-release-news-tf3197029.html#a9789759
Sent from the LEGO Robotics mailing list archive at Nabble.com.
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Message is in Reply To:
 | | Re: NXC/NBC release news
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| (...) The standard NXT firmware has a bug in the replace opcode which makes it impossible to use with multi-dimensional arrays (or ragged arrays of arrays). I have fixed this bug and submitted the code to folks at NI and LEGO for possible inclusion (...) (18 years ago, 30-Mar-07, to lugnet.robotics)
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