[Coco] COCO FPGA

[Frank Pittel]

I understand that cost is the controlling factor. I don't have a problem with "wasting" half of the
available space on a $4 SD card. I wouldn't object to 256 "floppies" on an SD card but if I only get
4 180K floppies per card I'd just as soon stick with drivewire and using the coco3fpga with it's drivewire
tether.


The Other Frank


On Mon, Dec 26, 2011 at 09:33:09AM -0500, Frank Swygert wrote:
> Date: Mon, 26 Dec 2011 20:21:57 +1100
> Mark already explained that he has a disk image scheme figured out (splitting the 255 images between the SD card and DriveWire). But I wouldn't care if half an SD card was wasted as long as it worked reliably. Technology moves on, and if a 2GB card costs the same as a 1GB (never saw a 720MB... 512MB or 1GB) it doesn't matter that half is "wasted" as long as it does what it's supposed to do reliably. How many of use bought 360K floppy discs and used them as 160/180K discs (whatever the 35 track was... around 160K IIRC / and 40 track single sided). Sure, some of use punched holes and made them "flippies", but I used many without doing that as prices came down.
> 
> 
> ---------------------
> From: Mark McDougall<msmcdoug at iinet.net.au>
> Subject: Re: [Coco] COCO FPGA
> To: CoCoList for Color Computer Enthusiasts<coco at maltedmedia.com>
> Message-ID:<4EF83CB5.1000200 at iinet.net.au>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> On 26/12/2011 3:32 PM, Frank Pittel wrote:
> 
> 
> >I can get 2gig SD cards here for $4 so I don't mind wasting even a lot of
> >space but a 2gig card for 4 180K floppies is a bit to much waste!!
> I don't think anyone here would propose using an entire SD card for 4 floppy
> images. It would be almost as painful as using actual floppy drives.
> 
> I would propose that a FAT-formatted SD with floppy disk images, and a
> mechanism for 'mounting' the images would be the most sensible solution by
> far. Even using the HDBDOS 255-drive mechanism would be a vast improvement
> (and as I mentioned, already implemented (read-only) on my Coco).
> 
> I'm sure Gary has something similar up his sleeve...
> 
> -- 
> Frank Swygert
> Publisher, "American Motors Cars"
> Magazine (AMC)
> For all AMC enthusiasts
> http://www.amc-mag.com
> (free download available!)
> 
> 
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