Charlie wrote:
"Steven Hirsch" <snhirsch@gmail.com> wrote in message YdKdnWEBU6Dx5RXUnZ2dnUVZ_h2WnZ2d@giganews.com">news:YdKdnWEBU6Dx5RXUnZ2dnUVZ_h2WnZ2d@giganews.com...Alex Freed wrote:Wouldn't it be possible to cleverly emulate the variable speed zones in software by playing with the data rate? (For some value of cleverness at any rate).sicklittlemonkey wrote:Are you talking about reading actual Apple II disks, a la FDI etc, or just reading and writing to modern HD media via an emulation of 5.25 & 3.5 GCR formats?After posting I remembered that the Apple 3.5" disks were "special". AFAIK they use variable speed to using a PC drive to read/write Apple 3.5" disks is at least difficult.SteveYes, Disk2FDI manages to read Apple 3.5" disks in PC type (single speed) 3.5" drives.
I didn't realize that disk2fdi worked with 3.5" drives! Another example is the Copy II Plus option board. Unless I'm confusing it with something else, it was able to read and duplicate 800K Mac diskettes (same low-level format, I think).