Subject:
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Re: Expression limitations w/bytecode
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 19 Jan 1999 01:04:01 GMT
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Viewed:
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1028 times
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In article <13987.52974.46098.504927@perdix.acsu.buffalo.edu>, "Matthew D.
Stock" <stock@perdix.acsu.buffalo.edu> wrote:
> As I understand it, the bytecode interpreter doesn't allow you to do fairly
> simple things like subtract two variables from each other. That makes
> doing comparisions between sensors somewhat challenging if you want to know
> the magnitude of the difference.
The firmware does support basic arithmetic operations. You can use them
in NQC like this...
int a, b;
task main
{
a = IN_1;
b = IN_1;
b -= a;
}
Dave
p.s. As a side note, NQC does not support stuff like "a=b+c", but this is
due to concurrency issues, not arithmetic limitations.
--
reply to: dbaum at enteract dot com
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Message has 1 Reply:
 | | Re: Expression limitations w/bytecode
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| Dave Baum writes: > The firmware does support basic arithmetic operations. You can use them > in NQC like this... Ah, my mistake. I had tried something like "if (a - b > 20)" using NQC, and it failed. I referred to the docs, and my read of the (...) (25 years ago, 19-Jan-99, to lugnet.robotics)
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Message is in Reply To:
| | Expression limitations w/bytecode
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| As I understand it, the bytecode interpreter doesn't allow you to do fairly simple things like subtract two variables from each other. That makes doing comparisions between sensors somewhat challenging if you want to know the magnitude of the (...) (25 years ago, 19-Jan-99, to lugnet.robotics)
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