[Coco] Re: BACKUP COCO-ON-DISK

[Joel Ewy]

I also made a flippy like that once.  I pried open the top fold-over on
the disk jacket and carefully removed the disk before punching the index
hole.  Then I put the disk medium back in the jacket.  I thought about
taping the top fold-over back shut, but it stayed shut pretty well on
its own even though I had popped open the plastic "welds" that held it
closed.  I think Frank's right about the Apple ][ not using the index
hole.  And he's definitely right that getting a double-sided drive
stopped the flippy-making project.

JCE

farna at att.net wrote:
> I remember making flippy disks! You could buy them at one time, and the jackets were obviously punched before the disk was inserted. I bought a little hole punch, the kind with a receptacle in the jaw to catch the punch-out. I'd carefully hold the jacket open and slip the punch in the hub hole. I had one of the Apple II notchers to make a nice square notch in the corner. IIRC the Apple II didn't use the index hole, but the IBM compatible drives did. Some people used their hole punch to make a rounded notch in the corner too. 
>
> I finally got a double sided drive and didn't need to use flippies anymore. I just used a poke to read the back side, then got ADOS3 burned into a chip that read the back sides of two drives as drives 2 and 3 (normal "front" sides were 0 and 1). 
>
> --
> Frank Swygert
> Publisher, "American Motors Cars" 
> Magazine (AMC)
> For all AMC enthusiasts
> http://farna.home.att.net/AIM.html
> (free download available!)
>
>  -------------- Original message ----------------------
>
>   
>> On Friday 29 September 2006 16:21, John T Chasteen wrote:
>>     
>>> It is me again
>>>
>>> Thanks Gene for info.
>>>
>>> The next question is backup of Rainbow on Disk. They use "Flippies" one
>>> side is RS basic and the other side is OS9.
>>>
>>> How do you format on one side for the OS9 side?
>>>
>>>       
>> I believe they punched another index hole in the envelope (without the disk 
>> obviously) and then turned it over, formatting the other side for the 
>> default os9 ss35 track format.  I've only seen one of those in all my 
>> years though.
>>
>>     
>>> John
>>>       
>
>