Imaging and Emulating Rainbow

Chuck Guzis cclist at
Sun Aug 14 12:44:30 CDT 2016

On 08/14/2016 08:59 AM, Al Kossow wrote:
> If it's running MS-DOS, you should be able to find/write something to
> do a raw image dump out the serial port.
> That reminds me, I need to image some Rainbow floppies I have.
> I would think someone would have already written this in the MS-DOS
> world.

They have.  Back in 1987, I wrote something for the PC called "RAINDOS"
for Rainbow floppies.  I'm sure it's on SIMTEL20.

There are various similarly ancient hard disk backup utilities that use
MSDOS Int 23H/24H for imaging hard drives.  They'll work fine on the
Rainbow, IIRC.


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