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Thread: Tandy Sound Compatible PCB

  1. #101
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    Quote Originally Posted by keenerb View Post
    I'm just excited as heck here.
    Yea, this is cool! Could this be the first time ever that these games have played their music on something that is not a PCjr or Tandy?
    Anyway, you've played this on the PCB with the small modification mentioned earlier?
    At the very least we've verified that the communication between the ISA bus and the SN76489 works properly, and we at least know that some games will work as-is with the card. So we know how to test the cards once we've built them.
    I guess this is quite the breakthrough, from here it's just fine-tuning things

  2. #102
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    Yes, it's on the PCB James designed with the HC688 - SN76489 connection mod. I think plenty of games will work just fine...

  3. #103

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    Can you make videos of Monkey Island and Space Quest 1playback?

    This is awesome, congrats to everyone!

  4. #104
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    I'll need to track down a set of speakers I can easily relocate. I'll have some videos up tomorrow.

    My parts order for one of Sergey's OPL2 cards came in as well, it's gonna be the best hand-built XT ever made!

    I'll also try a 76496 and verify it works a little later tonight.

  5. #105

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    Cool!

    If you can remove a socketed NCR 8496 out of a real Tandy 1000 and try that too...

  6. #106
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    Quote Originally Posted by CarlosTex View Post
    Cool!

    If you can remove a socketed NCR 8496 out of a real Tandy 1000 and try that too...
    My Tandy machines with NCR chip are all soldered.

    Of course I'm missing the 470nf capacitors for the amplifier. Won't be able to test that until Monday, but I'll still get some video of various games tonight.

    Not only is it a Tandy soundcard but it'll be on an EGA card connected to a Tandy CM-11 monitor, so it'll be very Tandy-esque.

    Now that I think about it, this is all kind of silly considering the number of perfectly functional 1000-series Tandys I already have laying around...
    Last edited by keenerb; December 9th, 2016 at 05:23 AM.

  7. #107

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    Quote Originally Posted by keenerb View Post

    Now that I think about it, this is all kind of silly considering the number of perfectly functional 1000-series Tandys I already have laying around...
    When i launched the thread on Vogons and tried to push and inspire others for this project, the main idea was that...exactly give the ability of normal XT's to be a little better at least on the sound department. There are so many games that sound and look better on the Tandy 1000's (technically all Tandy 1000's except RLX and RSX are enhanced XT's with PCjr capabilities and beyond), even though the graphical part would be extremely difficult to replicate the sound would never be as such.

    For Europeans like me, to get a Tandy 1000 is extremely difficult, so a sound improvement for our XT's and clones i thought would be at least a worthy endeavour. It will be already possible to enjoy some games, but with some talented people patching games a vast majority would be possible to enjoy with improved sound outside the Tandy 1000. Of course the Tandy sound improvement we are getting is only equivalent to A,HD,TX,SX,EX and HX series, but it is so much better than just PC Speaker.

    So despite it might be silly for you all this effort considering you have loads of Tandy 1000 machines, i deeply appreciate your efforts to help making this possible.

  8. #108
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    It wasn't really "silly" for me anyway.

    I decided to build as much of a "hand-made" computer as I possibly could, and while it's been very enjoyable and an amazing learning experience, I've missed that classic Tandy 1000 sound.

    It'll be the perfect complement to the rest of my hand-assembled components: xi8088, ATX isa backplane, high density floppy/com port combo card, IDE card, and the eventual VGA, EMS, and OPL2 boards once I get them together.

    I've got my eye on the Gravis, SSI2001, and CM/S recreation threads as well for future projects...

    Last edited by keenerb; December 9th, 2016 at 08:47 AM.

  9. #109
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    Just FYI, I'll track down my 486 single-board computer and see if the adapter works at 1E0/etc.

    I've also got a few Pentium 166 systems I will give it a whirl on...

  10. #110

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    Quote Originally Posted by keenerb View Post

    I've got my eye on the Gravis, SSI2001, and CM/S recreation threads as well for future projects...

    The SSI 2001 is a tried and tested finalized project. A made a video including the SSI 2001 and its relation to Microprose "The Entertainer":



    I'm also very interested in the CMS. It would be cool if we could somehow put, Tandy, CMS and SSI 2001 on one card and save some ISA slots.

    BTW, i also started the following thread on Vogons:

    https://www.vogons.org/viewtopic.php?f=46&t=40512

    This one is more or less stopped, but a lot has been done. Only a few traces are missing apparently. Good news is that shock__ (who started the ARGUS project) is going to work on this one too, since there's a guy living not too far away from him that owns a true Covox Sound Master card.

    Now regarding the Tandy Card, did you also apply the errata fix that James put on the card's wiki?


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