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dphirschler

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Posts posted by dphirschler

  1. Posted · Edited by dphirschler

    Is this the amplifier you used, Vellman K8066?

     

    http://www.vellemanusa.com/products/view/?id=521723

     

    Is 3W mono enough?

     

    Now I need to find a good volume wheel. I'd rather have the wheel than a knob. How about this, 10K-Ohm wheel potentiometer?

     

    http://www.radioshack.com/product/index.jsp?productId=3064080&utm_source=GooglePLA&utm_medium=pla&utm_term=2710001&cid=iP:PLA:RSO:Google&gclid=CPLtzLvOm8ACFWiG7AodP2UANA&gclsrc=ds

     

     

    Darryl

  5. Posted · Edited by dphirschler

    I'll find out. I think they might be dsk/var which was just a text/data file, right?

     

    EDIT: Here is the listing from the disk:

     

    COUNT 40 PROGRAM 10198 P
    GHOSTTOWN 40 PROGRAM 10042 P
    ODYSSEY 40 PROGRAM 10042 P
    PYRAMID 40 PROGRAM 10114 P
    SAVAGE1 40 PROGRAM 10042 P
    VOYAGE 40 PROGRAM 10218 P
    FUNHOUSE 41 PROGRAM 10466 P
    MISSION 41 PROGRAM 10434 P
    PIRATE 41 PROGRAM 10360 P
    VOODOO 41 PROGRAM 10296 P
    ADVENTURE 42 PROGRAM 10646 P
    SAVAGE2 49 PROGRAM 12488 P
    LOAD 42 PROGRAM 10638 P
    AVOCADO 48 PROGRAM 12235 P
    IRONHEART 49 PROGRAM 12298 P
    BUCKAROO 37 PROGRAM 9451 P
    CLAYMORGUE 38 PROGRAM 9670 P
    SPIDERMAN 41 PROGRAM 10422 P
    HULK 42 PROGRAM 10525 P

    I want to get Claymorgue, Ironheart, and Avocado off the disk and into cassette form. I don't even remember what Ironheart and Avocado are. And I can't remember solving Claymorgue (The Sorcerer of Claymorgue Castle). Anyways, they are not D/V. I guess PROGRAM means it's in some compressed bin format. I doubt they are executable.

     

    Darryl

  6. Posted

    Still looking for the Alpiner program on disk. I know I have it somewhere. Was it a problem cart to rip for so.e reason? I am surprised it's not already out in the wild in disk form.

     

    You may be right about the interrupt switch. I discovered a small microswitch under the lid if my speech synth. I think I remember holding that in while we swapped carts. Thus might have also involved using Mini Mem. I've contacted my friend to get more details. No doubt he remembers it better than I do.

     

    Darryl

  7. Posted

    Removing the chips will be a snap. My coworker has a professional desoldering station and wouldn't mind taking a few mins to remove those chips. My main concern is identifying the bad chips so I can throw them out. The good chips I want to keep on hand as spares, or possibly sell them on EBay.

     

    Darryl

    • Like 1

  8. Posted

    I forget how to load the music demo that comes with TI-Forth. I am sure somebody here remembers it. I want to hear “The Little Fugue In G Minor” again. It’s so impressive.

    While I am on the subject, does anybody remember the Forth demo put on at the user group meetings (by TI folks?) showing off the TI-Forth hardware and the 12 music voices? And each voice was represented by a colored rectangle on the screen. I remember being blown away by that demonstration, and I could not wait for Forth to arrive. And then when it did, it was only a diskette and a manual… which was still cool, but not 12 voices of music cool. And the music demo was standard TI 3 voice + noise, with no colored rectangles representing the voices.

    All that being said, the music demo with TI-Forth is still so impressive. Anyone remember the command to launch it?

    Darryl

     

  10. Posted

    I would just like to throw my name in the hat for one of these when/if they become available. Especially since I just accidentally sold my last EA cart on Ebay. So I'd like to load it up with XB, EA, TE2, MM(?) and several other utlities and a shit ton of games.. But I don't know how to do any of that. I'd need help. But I am drooling over this cart.

     

     

     

    Darryl

  12. Posted

    The only game I cannot find on Disk version is Alpiner, would be awesome if someone could convert if at all possible.

     

    Still looking for this? I know I have it. My friends and I ripped a ton of cart games back in the day. He was pretty slick with assembly. He wrote two utilities (Meat and Meow). So you load Meat first, then load the cart, then run Meow, and it would be written to disk. I don't remember how it worked, but that was the process. And we had a slick little loader that would run all our rips in XB from a menu. Good times.

     

    Darryl

  14. Posted

    I did an experiment with Scott Adams’ Adventure files on cassette. I took the fiad files, converted to wav. Then I converted the wav to mp3 (256k VBR), and then back to wav (8 bit mono). Then I attempted to convert them back to fiad using CS1er. The hope was the resulting fiad file would be identical to the original fiad file. It wasn’t. The converted mp3’s failed with many errors. I would imagine the TI would also fail to read the mp3 files.



    It seems there is a need to make an Android app that can play the fiad files as audio, and also record audio and convert to fiad in real time. I could just go with wav, but it’s just so bulky compared to fiad. An 11k fiad file becomes 6mb!




    Darryl


  15. Posted · Edited by dphirschler

    I didn't realize the F18A had its own RAM. So it doesn't even use those bad chips after the upgrade. This post made my day! And now (after re-reading the thread), I see that Stuart said the same thing but I just missed it.

     

     

    Darryl

    • Like 1

  17. Posted

    I don't think it's the VDP because I already swapped it out with a known good one (removed from another TI in preparation for F18A). I was very hopeful this would solve it, but it didn't. So that leaves video RAM then, right? Can I assume that the video RAM is #14 in the below picture?

     

    post-39934-0-83999900-1407978003_thumb.jpg

    (picture from old-computers.com)

     

    I should point out that TI Invaders crashed shortly after entering the game. That seems to point to bad RAM too, doesn't it?

     

     

    Darryl

  18. Posted · Edited by dphirschler

    I have three beige TI consoles. Two have bad keyboards, one has a good keyboard but looks like this when I boot it.

     

    post-39934-0-64907900-1415493251_thumb.jpg

     

    I replaced the one chip that comes out of the socket (this is the one I removed for the eventual F18A mod) from another console. Didn't help. Can anybody else diagnose this from just a photo?

     

     

    Darryl

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