Re: annc: GS/OS AppleDisk5.25 Project

[aiiadict@gmail.com]

On Feb 2, 4:29 pm, Alex Freed <alex_n...@mirrow.com> wrote:
> I have one new idea on an Apple 2 peripheral, but it
> involves a lot more software than hardware, so I want
> to hear from the driver experts.
>
> A while ago I saw a very interesting project:http://avr.15.forumer.com/a/fat-floppy-drive-interface-avr-asm_post10...
>
> The original project page is not there any more, but I have a copy.
> Almost no hardware - just an ATMEGA8 uC, like the one I used in PD8
> and a few resistors. Everything else is the firmware inside the uC
> and it reads and writes *high density* MFM floppies.
> It should not be hard at all to add a bit of firmware to read/write
> Apple compatible floppies, both 5.25" and 3.5" - it is very easy to
> implement the Woz Machine on a 16 MHz AVR.
>
> It is also a fact that 3.5" disk controllers are relatively rare and
> expensive. So a very simple board from the hardware perspective

an AVR seems to be much simpler than:

http://ultimateapple2.com/images/A2DiskController.jpg