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Thread: Coco III & HXC SD emulator

  1. Default Coco III & HXC SD emulator

    Hello Folks.

    Does anyone have a guide or walkthrough for using an HXC floppy emulator with the CoCo's? I am able to make a blank disk (image) for the HXC, format it, Dir it, save to it etc. But once back on the PC I don't appear to be able to read from or write to the HFE file?

    I have the opposite issue when using a download DSK image for the CoCo. I can see it from Windows, write to it etc, extract the .BAS file(s) but am unable to read them on the CoCo.

    Is there an intermediate step I need to do to transfer files between a workable HFE image and a downloaded DSK?

    Somewhat on the same subject, does the stock controller dos only support 35 track SS/DD? I seem to recall being able to use 1.2MB drives or was that OS/9?
    Collection: 2 X TRS-80 Model-I's, a III, a IV and a 4P. Two Apple ]['s, Two TI-99/4A's, and a handful of CoCo's

    http://www.astrobin.com/users/mlaferriere/

  2. Default

    Also, since the DSK images are much larger than the HFE file I created, I imagine they are in an 80 track DS/HD or at least 40 Track DS/DD format which the Coco may not be expecting...?

    I only have the FD502 disk interface on the Coco III at this point which then plugs into the HXC Floppy emulator.
    Collection: 2 X TRS-80 Model-I's, a III, a IV and a 4P. Two Apple ]['s, Two TI-99/4A's, and a handful of CoCo's

    http://www.astrobin.com/users/mlaferriere/

  3. #3

    Default

    You are correct that the stock Disk Extended Color Basic only supports a 35 track SS/DD format. Back in the early 80s, my dad got an aftermarket disk drive system for our Color Computer from J&M, with a 40 track DS/DD Teac FD-55B drive. The J&M ROM supported the normal Radio Shack 35 track SS/DD format, as well as J&M's own 40 track SS/DD and 40 track DS/DD formats.

    I believe that OS/9 can handle >35 tracks and double-sided drives, but I'm not an OS/9 expert yet.

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