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From: jmunkki@hila.hut.fi (Juri Munkki)
Newsgroups: comp.sys.handhelds
Subject: Re: HP48 machine language
Message-ID: <1990Sep16.164904.4675@santra.uucp>
Date: 16 Sep 90 16:49:04 GMT
References: <8377@jarthur.Claremont.EDU>
Sender: news@santra.uucp (Cnews - USENET news system)
Reply-To: jmunkki@hila.hut.fi (Juri Munkki)
Organization: Helsinki University of Technology, FINLAND
Lines: 20

bgribble@jarthur.Claremont.EDU (Bill Gribble) writes:
>1.) What is the procedure for allocating and using large chunks of memory?
>  Say, f'rinstance, that I wanted to rewrite DUP.  I know how to fiddle
>  the stack pointers to tell the system that another object is on the 
>  stack; I know enough about object representation to find and deal with
>  the object in level 1, and even how big it is; but how do I find a free
>  memory chunk large enough for a copy of the object?  I assume the system
>  maintains a list of free segments; how do I find it and alter it, if
>  that's what I need to do?

This isn't my idea originally (credit goes to Antti Louko alo@hut.fi):

	Switch back to RPL and use BLANK to create a new GROB. You
	can't get exact nibble allocation (bytes are ok), but it's
	compatible with anything that HP might come up with.

   ____________________________________________________________________________
  / Juri Munkki	    /  Helsinki University of Technology   /  Wind  / Project /
 / jmunkki@hut.fi  /  Computing Center Macintosh Support  /  Surf  /  STORM  /
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