[Coco] high density floppy controller mods

[Mike Pepe]

Mark Marlette wrote:
> Mike,
> 
> The 3029 had both hardware and software control. Mine also senses the 
> disk and places the controller in the correct mode on the 3.5" DD/HD disk.
> 
> The 3029 is quite a hack, almost like another controller! :)
> 
> Good luck!
> 
> Mark
> 

Mark,

What pin are you using to sense the drive mode?

My reference here says pin 2 is density select, but it doesn't say if 
its an input or output. Reading from that pin doesn't seem to change if 
I insert a HD or LD disk.

-Mike