Central Point Option floppy controller

From: Dave McGuire <mcguire_at_neurotica.com>
Date: Wed Sep 15 15:41:09 1999

  Hell, big PICs like the 17C54 run at 33MHz, at damn near 1 avg ins/cycle,
too. I'm *sure* it could be done with a PIC.

  It'd be a neat hack, no? :-)

        -Dave McGuire

On Wed, 15 Sep 1999, morrison_at_t-iii.com wrote:
>I wonder if one could use a PIC chip to do it. They'll do 20Mhz, and they
>like bits.
>
>Neil Morrison
>email:morrison_at_t-iii.com
>
>
>
>> -----Original Message-----
>> From: ard_at_p850ug1.demon.co.uk [SMTP:ard_at_p850ug1.demon.co.uk]
>> Sent: Wednesday, September 15, 1999 12:35 PM
>> To: Discussion re-collecting of classic computers
>> Subject: Re: Central Point Option floppy controller
>>
> ..........
>> But that doesn't mean that's the only way to read such disks. The format
>> (as in just what pulses appear where on the disk) is pretty well
>> documented. It wouldn't be that hard to use some random logic or an FPGA
>> to make a disk controller that read apple disks and transfered bytes to
>> whatever host you wanted to use.
>>
>> I would guess the pulse rate is going to be low enough that modern CPUs
>> could read the pulse-stream off the disk directly and decode it. I'm not
>> going to try it, but I would be very supprised if it couldn't be done.
>>
>>
>> -tony
Received on Wed Sep 15 1999 - 15:41:09 BST