Re: A86: Groupies

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Groupies
From: Dux Gregis <assets@eden.rutgers.edu>
Date: Thu, 26 Mar 1998 15:14:55 -0500
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
References: <3.0.5.16.19980326094610.2be76aaa@mailserver.netcarrier.com>
Reply-To: assembly-86@lists.ticalc.org

Grams Family wrote:

> At 06:48 PM 3/25/98 -0500, you wrote:
> >
> >Does someone know what the call to $47cf does?  It's called in
> >_poprealo1 and I need to know if it actually pops anything from the FPS
> >by itself.
> >Thanks.
> >
> It subtracts 10 from the FPS. It moves the FPS the same as a pop would, but
> doesn't do anything with the number that was on top of the stack.

Thanks!  But why does the ROM push OP1 if it's only going to destroy the pushed value later?  Take a look at the routine at
$598f.  I think that to get a working [sqrt]PARSE program you need to restore that value to OP1.

> I just
> disassembled this stuff last week, so I'm attaching a list of stack related
> calls. Hope all this helps...
>

Very nice!

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Re: A86: Groupies

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