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PRStoetzer

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Posts posted by PRStoetzer

  2. Posted

    3 hours ago, arcadeshopper said:

     

    gurumodem is a wifimodem.. it emulates a Hayes smartmodem..  it works like any other Hayes modem.. you connect it to a rs232 port, use terminal software and type ATDT  but instead of a phone number you use a ip address or url for a telnet site..

    info:https://electronicsisfun.com/gurumodem

    the manual is here: https://img1.wsimg.com/blobby/go/1596011c-abb0-4735-882d-d81cd060bbd9/downloads/GuruModemMan-v1.0.pdf?ver=1559047958913

     

     

    I asked the question about the nanoPEB version of Mass Transfer so I could use a GuruModem with my nanoPEB. I got the files from palmheads and have attached a DSK.

    MXNANO.dsk

    • Like 2

  5. Posted

    That would be sweet now that we have the TIPI, the program could download the Keplerian Elements and use them in it's calculations. Due to the speed of the TI, I'm not so sure how well it would work though.

     

    Quiktrak for the C64 takes a good 10 minutes to calculate a few days of passes for a single satellite, though it's written in compiled BASIC.

     

    Maybe I'll adapt some BASIC code that's lurking out there for the TI one of these days, though my skills are not great and it'd be pretty basic stuff, certainly nothing like downloading the keps from the Internet using the TiPi.

    • Like 2

  7. Posted

    The dust cover? It is not needed toss it and the spring. If you REALLY need it i can take pictures how it goes together. I shipped it that way. Basically the spring ends sit in the two slots on one end and it is held in by the case. If it binds up when you are assembling it push the door in a bit and it should drop in its place

     

    Sent from my LG-H872 using Tapatalk

     

    Thanks! Yes, it's a tricky little thing, but I both wanted the case to be as authentic as possible and give such a rare item the greatest possible protection.

    • Like 2

  8. Posted

    Got my bare copy of Dragon's Lair and it's awesome, but I certainly want to protect it!

     

    I'm trying to get it into a cartridge shell I got from arcadeshopper. Unfortunately, I can't seem to figure out how to get the door back on correctly. Anybody have any tips (or can point me to any tips for re-assembling the cartridge shells)?

     

    As is normally the case when I make such requests, I figured it out within minutes of posting!

    • Like 3

  9. Posted

    Got my bare copy of Dragon's Lair and it's awesome, but I certainly want to protect it!

     

    I'm trying to get it into a cartridge shell I got from arcadeshopper. Unfortunately, I can't seem to figure out how to get the door back on correctly. Anybody have any tips (or can point me to any tips for re-assembling the cartridge shells)?

  10. Posted

    I use an Extron DVS-204 Digital Video Scaler I got for under $20 on eBay with a Dell 1920x1080 monitor hooked up with VGA. The scaler isn't designed for the non-interlaced video, but doesn't seem to introduce any lag or any problems. My TI looks much better on it than composite video from my VIC-20, but you still see some ghosting and significant color artifacting, especially on text which is annoying. Sitting a bit farther away from the monitor than normal makes things look a lot better.

     

    It works far better than the $20 Amazon special composite to VGA adapter, but still doesn't look as nice as my dad's setup using a 13" color CRT TV and the TI RF modulator (the TV does not have composite input). The picture on that is crystal clear. Quite amazing for RF. My Commodore 128 hooked up to the same TV through RF looks terrible.

  11. Posted

    Shouldn't the code begin by sending a 'speak external' command (>60) to the speech synth? It seems to be working only because byte 9 of the speech data happens to be >65.

     

    I stumbled upon that last night when trying to put LPC data of my own voice into the TI. Most of what I was saying was just a garbled mess and I noticed in Mark Wills' example program (which I copied - http://www.planet-99.net/wotw.htm)that it started with a standalone >60.

     

    I have very little experience with TMS-9900 assembly or anything involving speech programming, so this has been an experiment inspired by that video. It looks like TurboForth might provide an easier avenue to playing LPC data, so I think my next project is to play around with that.

     

    The TI-99/4A was my first computer. My dad set it up again after probably 20+ years in storage. I got him a FlashROM99 and nanoPEB for Christmas. Playing around with it briefly while I was visiting made me want my own, so I got one on eBay plus a FinalGROM99, Speech Synthesizer, and nanoPEB and am having a lot of fun with it.

    • Like 7

  14. Posted · Edited by PRStoetzer

    Yesterday, after watching the 8-Bit Guy's newest episode on "How Speech Synthesizers Work", which, unfortunately omitted any mention of the TI-99/4A or, frankly, anything about how speech synthesizers actually work, I was inspired to make my own speech on my TI-99/4A.

     

    Following Mark Wills's tutorial here:

     

     

    I chose a clip of JFK's "We Choose to Go To The Moon" speech off of YouTube:

     

     

    I then ripped the audio into a mono 8,000 kHz 16 bit WAV. Then I installed Windows for Workgroups 3.11 into DOSBox to get QBOXPro running, generated the LPC data, and put it into Mark Willis's speech program (http://www.planet-99.net/wotw.htm). Then I assembled it with Win994ASM and put the disk image on my nanoPEB's CF card. It's pretty neat to hear the TI-99/4A speak in JFK's voice.

     

    • Like 17

  16. Posted

    Well, seems like it's the keyboard. The 9 key is the only key that works. That gets me to the cartridge menu. And it's a Mitsumi, which I understand to be a complete pain to deal with.

     

    I'm still a bit confused about the screen blanking within a couple of seconds of boot, though.

  17. Posted

    I have a TI-99/4A that turns on and displays the home screen, but the home screen disappears in a few seconds to a blue screen.

     

    With an FG99 cartridge in the slot, I can hit the reset button to bring it to the home screen (and it does not disappear). However, it does not respond to any key presses either.

     

    I have disassembled the unit and cleaned the cartridge slot, resocketed the socketed chips, and cleaned the keyboard connector.

     

    Any ideas on what might be the cause?

    • Like 1
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