Date   : Mon, 15 Jun 2009 11:17:22 +0100
From   : jgh@... (Jonathan Graham Harston)
Subject: Definative memory map for DFS

"Mark Haysman" wrote:
> Hi folks.
> 
> Does anyone have a definative memory map for the Acorn DFS (sepcificallly
> 0.98, but I presume any 8271 type will do)?
> 
> I can find snippets of info in the AUG, and ADUG, and I've got info on the
> catalog and file buffers etc., but I'd like to know exactly what memory
> locations it's using for what, specificallly &80-&FE,
 
Most of that is not filing system usage, and DFS should keeps its
mits off:
 
&00-&8F: Current language
&90-&9F: Econet
&A0-&A7: Current NMI owner
&A8-&AF: Transient commands
&B0-&BF: Filing system scratch, contents may change between calls
&C0-&CF: Filing system workspace, contsents same between calls
&D0-&E1: VDU workspace
&E2-&E3: RFS/CFS workspace
&E4-&FF: MOS workspace
 
> and &1000-&11FF.
 
See http://mdfs.net/Docs/Comp/BBC/Disk/DFSMem
 
 
> 
> If anyone has something along those lines, please let me know!
> 
> Thanks, Mark.
> 
> 
> 
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-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
The most perfect world is an imperfect world as the imperfections
give people a reason to strive to change it.