[A83] Re: Memory mapping

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Memory mapping
From: "Dan Weiss" <dwedit@hotmail.com>
Date: Mon, 09 Jul 2001 17:46:26 -0500
Reply-To: assembly-83@lists.ticalc.org


Yes, but would code execute without crashing?


>From: "Michael Vincent" <hookman@worldnet.att.net>
>Reply-To: assembly-83@lists.ticalc.org
>To: <assembly-83@lists.ticalc.org>
>Subject: [A83] Re: Memory mapping
>Date: Mon, 9 Jul 2001 15:44:08 -0700
>
>
>That would be rather pointless. You have your first 8K going up to BFFFh,
>and then the rest is starting at 4000h?
>
>
>Michael Vincent
>Detached Solutions - www.detacheds.com
>Radical Software - www.radicalsoft.org
>
>----- Original Message -----
>From: "Dan Weiss" <dwedit@hotmail.com>
>To: <assembly-83@lists.ticalc.org>
>Sent: Monday, July 09, 2001 3:38 PM
>Subject: [A83] Re: Memory mapping
>
>
> >
> > Can mapping the second ram page to $4000-$7FFF get around the 8k limit 
>for
> > asm programs?
> >
> >
> > >From: "Dan Englender" <dan@calc.org>
> > >Reply-To: assembly-83@lists.ticalc.org
> > >To: <assembly-83@lists.ticalc.org>
> > >Subject: [A83] Re: Memory mapping
> > >Date: Mon, 9 Jul 2001 15:20:32 -0400
> > >
> > >
> > >It's actually 8000h to 0BFFFh, not 0AFFFh.  And no, 0C000h to 0FFFFh is
> > >static, and so is 0000h to 3FFFh (unless you use memory map option 1, 
>but
> > >then they're still static, just in different places).  And yes, you can
> > >load
> > >a RAM page to 4000h to 7FFFh with port 6.
> > >
> > >-Dan Englender
> > >
> > >----- Original Message -----
> > >From: "Hyperbyte" <hyper@hysoft-automation.com>
> > >To: <assembly-83@lists.ticalc.org>
> > >Sent: Monday, July 09, 2001 3:19 PM
> > >Subject: [A83] Memory mapping
> > >
> > >
> > > >
> > > > Lately, on this list, I learnt how to map a rom/ram page to
> > > > 8000h-AFFFh.
> > > >
> > > > Is there a way to map a rom/ram page to B000-FFFF too?
> > > >
> > > > Ah, wait, this would involve no stack, and more, so it's probably
> > >impossible.
> > > >
> > > > But you could map a RAM page to 4000h-7FFFFh, right?
> > > >
> > > >
> > >
> > >
> > >
> >
> > _________________________________________________________________
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> >
> >
>
>
>

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[A83] Re: Memory mapping

From: "Michael Vincent" <hookman@worldnet.att.net>