Re: TI-H: Memory Mapping and free locations

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: Memory Mapping and free locations
From: gussie@alaska.net (Grant Stockly)
Date: Sat, 21 Mar 1998 14:08:23 -0700
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: ti-hardware@lists.ticalc.org


We need to find an extra space and use its address line.  There are 16 i
think.  If we used memory we would have to tell the TIOS that the last few
hundred bytes don't exist...


>What if, you made a file that gets transfered to the calc immediately
>after a backup, or even in the backup. The file would take at least
>enough memory to include the addresses for the HD and SID stuff, and
>then map the memory so the devices are accessed. I'm not sure how the
>RAM is dealt with, or if it'll even work, but is it possible???
>
>If it were, we coul MAKE free locations in the memory map for devices to
>use.
>
>
>Richard Piotter
>richfile@prairie.lakes.com
>
>The Richfiles TI Hardware and BASIC web page:
>http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html