Re: A85: Saving the 85

To: <assembly-85@lists.ticalc.org>
Subject: Re: A85: Saving the 85
From: "Kaus" <kaus@cybrzn.com>
Date: Thu, 6 Aug 1998 22:54:58 -0500
Delivered-To: assembly-85-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-85@lists.ticalc.org



-----Original Message-----
From: TGaArdvark@aol.com <TGaArdvark@aol.com>
To: assembly-85@lists.ticalc.org <assembly-85@lists.ticalc.org>
Date: Thursday, August 06, 1998 10:51 PM
Subject: Re: A85: Saving the 85


>
>> But,,,,   you CAN use overlays if you know how.  Its pretty tricky tho.
You
>> have to transfer your overlay switching kernal code to the non-paged ram
>> area, and then load a new 16K ram page that contains another part of your
>> program.  With this system, your progs can be 10K  (asm_exec_ram
spot)+5*16K
>> (are there 5 user var ram pages?  i cant remembre)  thats about 90K
>
>That is incorrect.  It's incorrect simply because _asm_exec_ram
>is on the fixed page.

ok even eaier then.  no cahnign position of the kernal.  it can easily load
the var containing the code in the other 16K ram area and execute away.
relocation will be needed in the var pages tho, so beware.
(you can tell i dont have an 86)