Re: Reading apple disks on PC

["Michael Pender" <mpender@hotmail.com>]

Paul Schlyter <pausch@saaf.se> wrote in message
news:betttj$1b9n$1@merope.saaf.se...
> In article <yLtQa.13001$D%1.10374@nwrddc01.gnilink.net>,
> Michael Pender <mpender@hotmail.com> wrote:
>
> The incompatibility in disk format which makes it impossible to read
> Apple disks in standard PC hardware is at the lowest-level encoding:
> the Apple II used GCR whihe the PC uses MFM.  Early Macs used GCR
> too; later MFM disks were used by Mac but a lot of Macs have floppy
> drives capable of reading GCR disks too.  PC floppy drives have
> never been able to read GCR disks and will never be.

Is a reference available that outlines the differences between GCR and MFM?
If that is the only difference, then it should be possible to read/write
PC-format disks on an Apple II, even if the opposite is not true.

- Mike