[Coco] high density floppy controller mods

jdaggett at gate.net jdaggett at gate.net
Fri Aug 4 09:15:35 EDT 2006


Do you have enough time to lay down (36) 256 byte sectors before the 
index mark comes back around?

james 

On 3 Aug 2006 at 21:32, Mike Pepe wrote:

> It lives! (I think!)
> 
> Finished the mods tonight. I made sure it still worked as a normal 
> controller.
> 
> Then I put a HD disk in the drive.
> 
> in BASIC I did:
> 
> poke &hffd9,0
> 
> to double the coco speed
> 
> poke &hff41,1
> 
> to double my hacked controller's speed
> 
> dskini0
> 
> returned to OK (!)
> 
> dir
> 
> shows an empty directory!
> 
> Now, if someone knows offhand how to poke 36 sectors into the dskini 
> routine, I can see if it's actually formatting in HD mode or not.
> 
> -Mike
> 
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