flat assembler
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Index > OS Construction > Can you play with this ;)

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shoorick



Joined: 25 Feb 2005
Posts: 1605
Location: Ukraine
shoorick
look how files included into image Wink

enjoy!

==========================================
well, it seems as it works Wink
-------------------------------------------------------------------
so, here is a macro with sample project, where floppy image
created while compilation, including existing files and generating
fat12. fs a little simplified (no data/time/attributes etc.),
no subdirectories will be created.
but if you find it usable - you can modify it by yourself -
it was just a play to me - i do not plan develop new os soon Wink
------------------------------------------------------------------
this could be usefull to create bootable images without additional
tool and run them under emulator.
=========================================

enjoy!

ps. do not ask me how it calculates fat position - i also do not know Very Happy


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Filename: boot_fat.8.zip
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Last edited by shoorick on 13 Aug 2005, 23:10; edited 3 times in total
Post 11 Aug 2005, 02:08
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DataHunter2009



Joined: 10 Jun 2005
Posts: 144
DataHunter2009
Um... what exactly does this do?
Post 11 Aug 2005, 02:22
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shoorick



Joined: 25 Feb 2005
Posts: 1605
Location: Ukraine
shoorick
khe-khe...
it creates ready bootable (or not bootable - as your wish) disk image with including there files and generating fat exactly while compilation: figure if test1.txt is in real kernel.sys. but appeared it calculates offsets wrong (only first right) - i'm not free with macro usage yet, so, when i have a moment i'll try to finish it. of course there are (and will be) some limitations: no subdirs and aligning of files - 2 sectors (not 1) - more easy for generating fat.

regards!
Post 11 Aug 2005, 05:14
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shoorick



Joined: 25 Feb 2005
Posts: 1605
Location: Ukraine
shoorick
updated! enjoy Wink
Post 11 Aug 2005, 08:19
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shoorick



Joined: 25 Feb 2005
Posts: 1605
Location: Ukraine
shoorick
finally it started be readable by emulator in real Smile new upside Wink
Post 13 Aug 2005, 23:10
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ATV



Joined: 31 Aug 2004
Posts: 109
Location: Finland
ATV
You can calculate cluster count with:

_count = ((_lbl#_size + 511) shr 9)
Post 21 Aug 2005, 06:45
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