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The Experimental FAT Loader   Message List  
Reply | Forward Message #268 of 328 |
Re: The Experimental FAT Loader

EFL - an Experimental FAT loader for the
Einstein,

I made an Einey floppy from the disk image and tried in the early
hours satuday. Worked fine on power up. Keep up the good work.
Looking foreward to further developments.

Regards Chris Coxall

--- In tatung_einstein@..., "fil_simmons"
<phil_simmons@...> wrote:
>
> Hi folks,
>
> Well here it is at last! - EFL - an Experimental FAT loader for the
> Einstein,
> for those of you who want to play with the FAT file system.
> It's particularly useful for developing your own flavour of OS and
> for developing drivers for compact flash and hard disks - since it
> uses LBA addressing.
>
> The FAT file sytem isn't an MS clone - I have used my own methods,
> values and improvements so there wil never be a licensing issue.
> At some point EFL will cease to be called a FAT system loader at
> all :)
>
> The enclosed version is FAT16, I will be releasing a FAT32 version
at
> some point.
> The loader has been deliberately kept simple - it boots a file
> embedded in the data sectionof the object code, addressed by a
> directory entry of FAT clusters. To use it simply overlay
> your own code over the bootable example in the ASM file and
> reassemble - and your code will boot!
>
> Full details are given in the acompanying documentation and the asm
> file is fully documented.
> I am posting a both a self extracting and a regular Zip archive of
> the files.
>
> Sorry for the delay - I actually finished this last October but I
> didn't have a freebee pdf documentconverter handy and I was
busy ...
> so anyway here it is. I hope someone finds it useful.
>
> The EFL files are in the new utilities folder, to which I hope to
be
> adding stuff to soon. There is a stray copy that found its way into
> the folder list - perhaps you could remove this please Chris?
>
> Other news - after losing all of my work on XTAL OS disassembly
last
> year I have now redone it and I'm actually further along than
> before :)
>
> At the moment I'm just doing final cleaning up of the CCP
disassembly
> and integrity checking it - so I hope to release the CCP portion
very
> shortly.
>
> Disassembly of the BDOS portion is well under way now. Of course
the
> reverse engineering of this is
> quite challenging so it may take a little longer. The BIOS is done
> but I want to tie in the original Xtal labels with the rest of the
> disassembly before releasing it.
>
> Maybe by autumn I will be able to release the entire Xtal OS system
> fully disassembled and documented.
>
> If you find any bugs with EFL or have code improvements please let
me
> know so that they can be sorted for
> an update.
>
>
>
> :) Phil
>





Sun Mar 16, 2008 2:41 pm

bbcchris2000
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Message #268 of 328 |
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Hi folks, Well here it is at last! - EFL - an Experimental FAT loader for the Einstein, for those of you who want to play with the FAT file system. It's...
fil_simmons
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Mar 14, 2008
3:06 pm

EFL - an Experimental FAT loader for the Einstein, I made an Einey floppy from the disk image and tried in the early hours satuday. Worked fine on power up....
Chris Coxall
bbcchris2000
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Mar 16, 2008
2:42 pm

Hi Phil. Great work. The FAT loader sounds fantastic. It should help me get the Compact Flash project back on track.I should get time to play with it this...
Geoff Latham
id_fugu_is_u...
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Mar 17, 2008
9:45 am

Hi Phil, A couple of questions; If I wanted to read from a CF card plugged into my adaptor would I just have to re-write "ReadSectors:" to call the code to...
geoff
id_fugu_is_u...
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Mar 20, 2008
11:25 am

Hi Geoff, I'll try to answer your questions as clearly as possible. 1. Regarding the Read Sectors routine - This is just used to load the fat, directory and...
Phil Simmons
fil_simmons
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Mar 21, 2008
12:08 am

Hi Phil, I've uploaded some initial code and notes for an IDE and CF version of the MCAL ZRBLK. It would just replace the ZRBLK call in your code. It's only...
geoff
id_fugu_is_u...
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Mar 23, 2008
10:57 am

Hi Geoff, I'll download it and have a look. Cheers Phil ... version of ... the ... time ... for a...
fil_simmons
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Mar 26, 2008
1:59 pm
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