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Oct 15th, 2007
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.wav file on x86

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Hello Could someone Please give me an idea as to how should I try to play .wav file on an x86 using assembly language in Real mode at the computer startup. Basically at the time when OS has not yet booted.
Thank you
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Re: .wav file on x86

If there is no OS, there can't be a file system either.
How are you proposing to load the .WAV file to be played?
How are you going to locate the appropriate audio device?
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Re: .wav file on x86

impossible unless you want to write about 1 million lines of assembley
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Re: .wav file on x86

Click to Expand / Collapse  Quote originally posted by Salem ...
If there is no OS, there can't be a file system either.
How are you proposing to load the .WAV file to be played?
How are you going to locate the appropriate audio device?
I will read the sectors using INT13 BIOS and the disk already has a FAT file system.
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Re: .wav file on x86

but you would need to write a whole media player and a driver for the sound card.
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Re: .wav file on x86

Seems like you're up on the issues, what's holding you back?
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Re: .wav file on x86

Click to Expand / Collapse  Quote originally posted by agrawalashishku ...
I will read the sectors using INT13 BIOS and the disk already has a FAT file system.
that won't work for huge hard drive partitions -- those larger than about 2 gig.
Last edited by Ancient Dragon; Oct 15th, 2007 at 8:38 pm.
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Re: .wav file on x86

Click to Expand / Collapse  Quote originally posted by Salem ...
Seems like you're up on the issues, what's holding you back?
How do I begin i.e. First of all I should know how to play a .wav file using C that would tell me how to play it in assembly. But I dont know anything about .wav files and how to play them. So could someone point me to a resource please
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Re: .wav file on x86

Just punch "wav file format" into a search engine, and start reading.
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This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
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