Date   : Fri, 09 Jan 2004 08:44:49 +0000 (GMT)
From   : Sprow <info@...>
Subject: Re: IDE Interface for BBC

In article <7489awBmse$$EwZx@...>,
   Mike Tomlinson <mike@...> wrote:
> In article <4c6dc3b168info@...>, Sprow <info@...> writes

> >Not quite true, the patent refers to the method of storing long filenames 
> >in a backward compatible way.
>
> That's a /patent/ pertaining to FAT, not the /license/.
>
> http://www.microsoft.com/mscorp/ip/tech/fat.asp

Read that ages ago.Read the patents not the web page fluff.

> >> Page size has always been a problem wish say my BBC B 
> >
> >Excellent point. It would be *definitely* worthwhile popping 8k of SRAM on
> >the IDE interface?

> How d' you mean?  Write the FS in 8k with 8k SRAM for the filesystem
> buffers and working space?  As much as I like it, could ADFS be done in
> 8k?  With both HD and floppy support?

Sorry,I was unclear.I mean to put an SRAM on the IDE interface to use as
buffers (to hold the free space map at the very least,possibly open file
buffers too).This then still leaves you with 16k ROM for code,and if
required some shared workspace on the beeb/Master itself,
Sprow.