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 Robotics / RCX / NQC / 631
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Subject: 
Re: Syntax for reserving variables in NQC?
Newsgroups: 
lugnet.robotics.rcx.nqc
Date: 
Sat, 3 Jun 2000 03:21:03 GMT
Viewed: 
2069 times
  
In article <3938449F.3FA8D2E@nexen.com>, sjm@judgement.com wrote:


How about:

#pragma reserve 1 3 5-8 9

I went with simple...

#pragma reserve start [end]

where [end] is assumed to be start if not specified.  If you want to
reserve multiple vars (or multiple ranges) you need to use multiple
#pragmas.


Personally I find the discussion entertaining but somewhat
academic since I have no clue how to use a reserved register
in nqc. If it is not a variable or a counter how can you
access it? Is there any purpose beyond counters?

Yes, its all a bit academic.  The only immediately obvious use is to
tell nqc not to use the bottom 1 or 2 locations for vars if you plan on
using counters.  I don't see the #pragma being used for much else, so
I'm not putting a lot of effort into implementation.

The only reason I'm not restricting it to counters-only is that perhaps
someone will come up with a good reason to reserve certain var
locations.  You could still access them with the proper @() expressions
and set them with the Set() function.

Dave

--
reply to: dbaum at enteract dot com



Message is in Reply To:
  Re: Syntax for reserving variables in NQC?
 
(...) How about: #pragma reserve 1 3 5-8 9 with range explicitly specified by "-". Then those that want to specify a range can do so and those who want to specify a list can do so. Of course this assumes that you don't allow arithmetic in the pragma (...) (24 years ago, 2-Jun-00, to lugnet.robotics.rcx.nqc)

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