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Thread: CMedia chipset in DOS

  1. 02-21-2002, 04:56 PM #1
    kaysee
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    CMedia chipset in DOS

    Anyone know of any source code or libraries that can play MP3 through a CM8738 chipset in DOS? CMedia do a little proggy called Play8738 that plays fine, but I need to rewrite the interface.

    DAMP and MPXPLAY don't like it in native DOS, plus I want to start from scratch, cos I use a Palm iii to control. All works well, but Windows only at the moment, and it takes 40+ seconds to boot.. (20 seconds of POST time! ugh)

    I've got the Play8738 .lib file, but it's MS Visual C++, and that's the one language I don't have. If anyone has converted it into Pascal, DGJPP, Borland C, or (almost) anything else, could you let me know?

    I've emailed CMedia for the .lib source, but I doubt i'll hear anything back..
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  2. 02-21-2002, 05:34 PM #2
    magnetik
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    Re: CMedia chipset in DOS

    I am certain that the CM8738 was the the on-board sound card chipset for my older mp3car player that used a TXII motherboard (this supported P90-P233's and 6x86 processors which I used). An I was able to use mpxplay in pure DOS. I remember their was a utility you needed to run to put the sound card into a SB16 emulation mode.... then it worked fine.

    If you cant find that utility on your install discs, try downloading sound card drivers for TXII motherboards since they will have the utility...
    Project - GAME OVER :(
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  3. 02-22-2002, 04:27 AM #3
    kaysee
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    I've tried all this - the DOS drivers come with a mixer program for setting the volumes, and a program called SETAUDIO that sets up sound blaster emulation, IRQ, and so on.

    All DOS players run, but just refuse to play. No sound, and the position sliders never move - it isn't even trying to play.

    They usually play fine in a DOS box in Windows.

    I've tried Mpxplay, DAMP, and written programs in DJGPP using Libamp, but still get the same.

    Is there another DOS utility I need to be running?
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  4. 02-24-2002, 06:37 PM #4
    magnetik
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    I think you needed to set the BLASTER env variable before you called the utility as well.....


    If I cant dig up anymore from my old system, I will post it here....
    Project - GAME OVER :(
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  5. 02-25-2002, 07:53 AM #5
    kaysee
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    BLASTER environment is set...

    If you could find whatever you had before that worked, that would be great.. Any info would help.
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  6. 03-05-2002, 05:54 AM #6
    kaysee
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    I'm still needing help here, if anyone has any ideas...

    Has anyone got any DOS player working with a CMI8738 sound card, and if so, what combination of drivers\player are you using?
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