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Modify a GOTEK floppy emulator

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  • ngtwolf
    replied
    Originally posted by Dokken View Post
    I got one of my goteks flashed with hXc. i put 2 TRS-DOS model 1 disk images named DSKA0000.HFE, DSKA0001.HFE in the root of the stick, and put HXCSDFE.CFG in the root of the usb stick as per the directions for indexed mode.

    On the gotek, i get hXc on the LED at power up. power up EI, gotek, then keyboard. garbage screen. i can go between 001 and 002 on the gotek, but reset on the keyboard only gives a garbage screen.
    How did you convert the disks from DMK to HFE format?

    Leave a comment:


  • Dokken
    replied
    I got one of my goteks flashed with hXc. i put 2 TRS-DOS model 1 disk images named DSKA0000.HFE, DSKA0001.HFE in the root of the stick, and put HXCSDFE.CFG in the root of the usb stick as per the directions for indexed mode.

    On the gotek, i get hXc on the LED at power up. power up EI, gotek, then keyboard. garbage screen. i can go between 001 and 002 on the gotek, but reset on the keyboard only gives a garbage screen.

    Leave a comment:


  • ngtwolf
    replied
    Originally posted by Dokken View Post
    Seems like jumper is set properly, cable is working (flipped cable displays 'cbl' on gotek with flash floppy). gotek shows signs of usb activity and green led comes on at certain stages, including pressing keyboard reset button.

    i tried a zork1.dmk file, but i get error 34. I now have zork1.dsk and it seems to be doing something, or at least no errors i can see.
    I'm pretty sure that flashfloppy doesn't recognize dsk or dmk trs-80 model x type disks (just CoCo format). I believe you need to convert them to hfe files.

    Leave a comment:


  • Ec1564
    replied
    Last night I got a Gotek to run on my CoCo2.

    After re-flashing the Gotek with Flash Floppy, the display will show "F-F" with no USB installed. I replaced the original display with a LED display which shows the USB file name currently selected, ##/### of files and location of head.

    The only thing I put in the FF.CFG file was: " host = tandy-coco"

    Put a few DSK files on the USB and everything works like a original floppy disk! But its too quiet, got to do the sound mod.....

    Now the fun begins, going to hopefully get my old disks copied over to USB drive. Hope they read...

    Leave a comment:


  • Dokken
    replied
    i got my second gotek this afternoon and put flash floppy on it. I get f-f when powered on.

    I still do not get anything but the garbage screen on the TRS-80 when EI is connected. i understand this is normal behavior when disks are not present? keyboard boots to basic fine standalone or when hitting break with EI.

    Seems like jumper is set properly, cable is working (flipped cable displays 'cbl' on gotek with flash floppy). gotek shows signs of usb activity and green led comes on at certain stages, including pressing keyboard reset button.

    i tried a zork1.dmk file, but i get error 34. I now have zork1.dsk and it seems to be doing something, or at least no errors i can see.

    i put ff.cfg in root and uncommented the shugart entry. that's all i did to cfg.

    one concern is that i've never seen my EI work other than the keyboard showing ?mem of 48k when connected (vs 16k).

    any other tips? thanks.

    Leave a comment:


  • dJOS
    replied
    Originally posted by Dokken View Post
    thank you!

    i'm watching the tutorial on setting up flash floppy:

    https://youtu.be/-K31S2xqZIk?t=841


    he's doing this for an amiga, and in prepping the thumb drive he uses the autoboot mode config. I assume this is the same for TRS-80 use?

    for the file selector, he uses amiga (of course). in the file selector, i see windows, atari, amstrad, and amiga files in the firmware package. what would i select at this step for TRS-80 use?

    thanks.
    If you add small OLED screen you don't need any config files at all, the screen will allow you to navigate thru your usb drive and auto mount whichever image your need.

    Leave a comment:


  • Dokken
    replied
    thank you!

    i'm watching the tutorial on setting up flash floppy:

    https://youtu.be/-K31S2xqZIk?t=841


    he's doing this for an amiga, and in prepping the thumb drive he uses the autoboot mode config. I assume this is the same for TRS-80 use?

    for the file selector, he uses amiga (of course). in the file selector, i see windows, atari, amstrad, and amiga files in the firmware package. what would i select at this step for TRS-80 use?

    thanks.

    Leave a comment:


  • ngtwolf
    replied
    Originally posted by Dokken View Post
    thanks, very helpful, and I was sure the cable was reversed when the light came on. with the red stripe to pin one on both sides, no LED. i was just looking for signs of life and not too familiar with TRS-80 floppy drives. A model 1 with dual floppy drives was my first computer in the 80s, but i've forgot most of what i knew about it.

    like many things in this hobby, this gotek is arcane and documentation is scarce. especially for the TRS-80.
    I have a Gotek on my Model 4 hooked up on a cable externally (no twists, of course). I have the two (original) internal drives as 0 & 1 (those have the typical ID'd cables), and I have the external drives in a powered case with a Gotek as 0 and another Floppy Drive as 1 (full 50 pin cables, not ID'd). It never worked for me with stock firmware, it does work with either Flashfloppy or HXC, both of them are looking for files in the names of 'DSKA0000.HFE' (0000-0999). If you're using it as a secondary drive, the typical TRS-80 nuisances apply like making sure the Gotek disk is the same OS as the one you booted from (Trsdos, lsdos, etc).

    Leave a comment:


  • Dokken
    replied
    Originally posted by Chuck(G) View Post
    If the Gotek LED comes on with power-on, you've got the cable on upside-down. My recollection is that the Goteks are factory-configured to use the second drive select (DS1), while the TRS-80 is expecting the first drive select (DS0).

    That's according to my faulty memory.
    thanks, very helpful, and I was sure the cable was reversed when the light came on. with the red stripe to pin one on both sides, no LED. i was just looking for signs of life and not too familiar with TRS-80 floppy drives. A model 1 with dual floppy drives was my first computer in the 80s, but i've forgot most of what i knew about it.

    like many things in this hobby, this gotek is arcane and documentation is scarce. especially for the TRS-80.

    Leave a comment:


  • Chuck(G)
    replied
    If the Gotek LED comes on with power-on, you've got the cable on upside-down. My recollection is that the Goteks are factory-configured to use the second drive select (DS1), while the TRS-80 is expecting the first drive select (DS0).

    That's according to my faulty memory.

    Leave a comment:


  • Dokken
    replied
    Originally posted by dJOS View Post
    When you say stock firmware, what FW is on your's?

    You can tell by powering it up with no USB stick in the drive - the 3 Digit LED will show:

    HXC = hHc
    F-F = Flash Floppy
    stock = (i cant recall)

    if you dont have HxC or Flash Floppy you will not be able to use it on your TRS-80.
    thanks, i figured that was the case.

    my gotek just shows 3 zeros with no stick.

    my second gotek will be here tomorrow, and my programming cables arrived today. i'll dig into it this weekend. it's all new to me, i was thrilled to get it working on a 486. if i get these working i still need to get my xt-ide working on my 5150. it kinda works, but is flakey and the CF card gets corrupted after a while. but it will boot to the CF. that's another project for another day after i get some goteks working.

    thanks for your help.

    Leave a comment:


  • dJOS
    replied
    When you say stock firmware, what FW is on your's?

    You can tell by powering it up with no USB stick in the drive - the 3 Digit LED will show:

    HXC = hHc
    F-F = Flash Floppy
    stock = (i cant recall)

    if you dont have HxC or Flash Floppy you will not be able to use it on your TRS-80.

    Leave a comment:


  • Dokken
    replied
    i made a cable using the floppy cable above. 34 pin edge card to floppy. continuity is good.

    My current gotek is stock, working on a 486. someone above mentioned shugart firmware for the TRS-80, but as i understand shugart is the default firmware on goteks.

    i hooked up my TRS-80/EI with the gotek (powered by a PC next to it) and a USB key formatted the first few disks as MSDOS bootable. I know this will not boot, but i wanted to see what happened.

    The TRS-80 gives the garbage screen that i was never able to get past due (I believe) to non-working floppies. The 16K model 1 does show 48K when the EI is connected, and the internal relay clicks as expected. I have 2 His and they behave the same, so i am going to assume they're working.

    power EI, gotek, keyboard in that order.

    I tried the floppy/gotek cable both ways (flipped the connector). one way it lights up the green LED on the gotek, the other way it doesn't.

    I still get the garbage screen.

    Any suggestions? thanks

    Leave a comment:


  • Dokken
    replied
    TRS-80 gotek Screen Shot 2019-02-06 at 4.58.26 PM.jpgthis floppy cable should work? it'a a PC floppy cable with an edge card connector AND 34 pin connector for each floppy. the edge card has the notch which i could cut out.

    Leave a comment:


  • dJOS
    replied
    Originally posted by Dokken View Post
    I haven't gotten that far yet. I'm using the default firmware that came on the device with a 486 for now. it works great for that.

    I understand I'll need to change firmware for the TRS-80. Still trying to learn what's up with that, but I have a friend who has done it lately with a paid flash program (not for TRS-80). I understand there's also a free flash option. so much to learn.

    I ordered the programming cable and a second gotek. I plan to leave my 486 version as stock for now.
    Ok, flash floppy in shugart mode should work well and it's free. Hxc is great but not worth 11€ in comparison.

    Leave a comment:

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