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  1. Replies
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    Robbert, If I'm remembering correctly there was...

    Robbert,
    If I'm remembering correctly there was a problem with the Model 1 Version 1.1 ROM's that made loading
    from Cassette extremely hard. I don't know if I still have the information, but I...
  2. Replies
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    Ray, Your *.HFE files are on the way. Let us...

    Ray,
    Your *.HFE files are on the way.

    Let us know how it goes.

    Larry
  3. Replies
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    Ray, I've got your files processed and they are...

    Ray,
    I've got your files processed and they are 35 Track Single Sided, Double Density. I've got a *.fpf
    floppy configuration file and the *.hfe files. Also created the *.RAW (Sector Dumps) while...
  4. Replies
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    Charles, It was...

    Charles,
    It was "TRS-80_Assembly_Language_1981_Prentice_Hall.pdf".
    https://www.classic-computers.org.nz/system-80/books/books-TRS-80-Assembly-Language-(1981).pdf


    Larry
  5. Replies
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    124

    Ray, The copy that I've located is for the Model...

    Ray,
    The copy that I've located is for the Model 1, and is the Radio Shack Adapter. I don't see anything
    for the Percom. My old Model 1 used the Aerocomp Floppy Disk Controller Board.

    Is this...
  6. Replies
    6
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    124

    Ray, Give me a bit to locate it on the server...

    Ray,
    Give me a bit to locate it on the server and convert.

    Larry
  7. Replies
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    That was an interesting article that I OCR'd. ...

    That was an interesting article that I OCR'd.




    CASSETTE INPUT AND OUTPUT PAGE 118


    Transferring data between memory and the cassette tape
    recorder is...
  8. Replies
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    1,058

    Don, Why don't you have a look at the Pins 2 & 3...

    Don,
    Why don't you have a look at the Pins 2 & 3 of Z30 (74LS02) to see if CHARACTER or GRAPHICS is enabled from
    Z10 or Z11 (74LS166). It looks to me like you have a problem with Z27 (74LS175)...
  9. I downloaded the mms-cpm file, renamed it and had...

    I downloaded the mms-cpm file, renamed it and had a look at the directory using cpmtools.



    BEGIN HEA1 Heath H89, Magnolia CP/M - SSDD 48 tpi 5.25" - 512 x 9
    INSERT 22DISK DEFINITION
    END

    #...
  10. Replies
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    Patrick, What is your recommended Paint from...

    Patrick,
    What is your recommended Paint from PPS? I didn't locate any previous mention of it in any threads?

    Thanks.

    Larry
  11. Replies
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    See Posting #12 at:...

    See Posting #12 at:
    http://www.vcfed.org/forum/showthread.php?65624-Video-of-TRS-80-Model-I-repainting/page2&highlight=TRS-80+Model+3+Paint+color





    Larry
  12. ivanthetolerable, If you will email me the *.TD0...

    ivanthetolerable,
    If you will email me the *.TD0 you want converted for the GOTEK, I can take the .TD0, create, the
    *.IMD, and from that a .RAW (Sector Dump) Image, which will give the Directory...
  13. The 34 Pin header is soldered to the PCB, and has...

    The 34 Pin header is soldered to the PCB, and has the capability of selecting any Floppy Drive DS{0..3}
    by cutting a couple of traces and soldering a jumper to the needed Drive Select. It also has...
  14. tonata, I used the standard Card Edge to 34 Pin...

    tonata,
    I used the standard Card Edge to 34 Pin Header. I had some PCB's created and sold some excess I have.
    I still have a few available.


    I looks like this.


    64121
  15. Replies
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    wdatkinson, One other thing you need to do while...

    wdatkinson,
    One other thing you need to do while you have the computer apart, is to check and see if you
    have Tanton TM-100 Floppy Drives installed. If so, open the floppy drive doors, and shine a...
  16. Replies
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    Don, Try your Phone. I just powered up my Model...

    Don,
    Try your Phone. I just powered up my Model 4 and took this picture as I zoomed in a bit.
    At least maybe we can see what the characters are.

    You can email me the picture.

    Larry
  17. Replies
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    wdatkinson, the first thing to do is Open the...

    wdatkinson,
    the first thing to do is Open the case and look for a Tandy Power Supply. If there is a Tandy Power
    Supply with a row of Round Pins, remove the Power Supply and then turn it over and...
  18. Replies
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    Don, Do you have a camera that has MACRO Mode...

    Don,
    Do you have a camera that has MACRO Mode where you can get a good clear picture of the first four characters
    that are displayed on the monitor?

    It sure looks to me like the Model 1 is...
  19. Replies
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    NeXT, If you have a DOS, Windows, or a Linux box...

    NeXT,
    If you have a DOS, Windows, or a Linux box handy you can use John Elliott's LIBDSK to access those Apricot Images.
    You can convert from .DSK to .RAW, convert from Apricot to PCDOS...
  20. Yes, It is the small PCb attached to the back of...

    Yes, It is the small PCb attached to the back of the Tandon TM-100 Floppy's.

    If you have Tandon TM-100's, Open the doors and shine a light at the center hinge point and see if there are
    two samll...
  21. The screen shrinking and changing does sound like...

    The screen shrinking and changing does sound like a Power Supply problem.

    If your Kaypro has the Tandon TM-100-xx Floppy's, be sure to look at the two Caps on the
    RPM Board of each Drive. Both...
  22. You could try Carbon Fiber PETG (CF/PETG), but...

    You could try Carbon Fiber PETG (CF/PETG), but it is a bit hard to print. Another possibility
    is using a Resin Printer and printing with the TOUGH Resin from PRUSA or a High Resolution ...
  23. What is the name of the Manufacture of the Floppy...

    What is the name of the Manufacture of the Floppy Drives? Tandon TM-100?

    If they are Tandon's I can give you a few suggestions........


    You can check the RPM of the Drives with this Program. ...
  24. I have a couple of quick questions about your...

    I have a couple of quick questions about your flex cable.

    Is the cable marked in any way to show which side is pin 1? Red Stripe??
    Are there exactly 24 conductors, not 26 as the Schematic shows?...
  25. For your Ampro Little Board Z80 the last Floppy...

    For your Ampro Little Board Z80 the last Floppy Drive on the Cable needs the Terminator (installed
    or enabled). Here is a Photo of the conductors used in the Floppy Cable. Since everything works...
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