Re: Any way to make a "dual boot" apple II disk?

[Jeff Lodoen <jmlodoen@thegrid.net>]

"Michael J. Mahon" <mjmahon@aol.com> wrote in
7ImdnQqlyKzDObPfRVn-hg@comcast.com:">news:7ImdnQqlyKzDObPfRVn-hg@comcast.com: 

> Jonathan Herr wrote:
>> I have a 2 copies of Copy II Plus (versions 5.0 and 8.2).  Is there
>> any way to make a disk boot up with a menu so that I can choose which
>> copy I want to run (if the copies are in seperate subdirectories on
>> the same floppy disk)? 
>> 
>> Any help would be appreciated!
> 
> Assuming that both versions can be run from subdirectories, this
> can be done with a short Applesoft STARTUP program.

Version v5.5 is in DOS 3.3 format, and doesn't support ProDOS.
v8.2 is a ProDOS app.

You can make a "hybrid" disk- half ProDOS, half DOS 3.3. It will boot 
into ProDOS. If you boot a DOS 3.3 disk, you can access the other half.

Beagle Bros' GPLE was distributed this way.