IBM PC-DOS 1.0 question

Richard Cini rich.cini at
Mon Dec 20 10:03:15 CST 2010

Mike --

    I hope this isn't a bother, but I extracted disk 2. Would it be too much
of an imposition for you to do the same thing with this disk?


On 12/19/10 4:44 PM, "Mike Loewen" <mloewen at> wrote:

> On Sun, 19 Dec 2010, Richard Cini wrote:
>>    I¹m working on a side project to another thing I¹m working on and I¹m
>> trying to compare code from DOS 1.0 and 1.1. I have the PC-DOS 1.1 files
>> (all including IBMBIO and IBMDOS) but only disk images (Teledisk) for PC-DOS
>> 1.0. Is there an easy way to extract these files from the disk image? Does
>> anyone have these files already extracted that they can send me?
>>    I think I can convert the TD0 image to IMD, but the IMD tools seem to
>> work at the track level on the image and not the file level, but any help
>> would be appreciated.
>     In the Linux world, I would try using dosbox.  Convert the TD0 to an
> IMD file, then use IMDU to convert the IMD to a binary image file.  Start
> dosbox and use the IMGMOUNT command to mount your floppy image, and you
> should be able to copy the files out to the Linux filesystem.
> Mike Loewen    mloewen at
> Old Technology


Rich Cini
Collector of Classic Computers
Build Master and lead engineer, Altair32 Emulator

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