8 bit SBC with floppy controller for disk archiving [was: Xerox 820 system disks in Teledisk format?]
e.stiebler
emu at e-bbes.com
Mon May 11 07:29:03 CDT 2009
Andrew Lynch wrote:
> Hi! I sent this message earlier but it seems to have gotten drowned in all
> the unpleasantness.
Sometimes, this list is weird.
> Hopefully we can move on to something more
> constructive. If anyone would like to discuss disk archiving legacy formats
> with an existing low cost home brew Z80 CP/M SBC and Disk IO board I think
> the N8VEM project would make a great starting point.
I was wondering about it too, and waiting for you to come up ;-)
Anyway, I hope you don't mind if I post the links to two pictures which
hopefully show how it could work:
a.) the cpu board http://n8vem-sbc.pbworks.com/f/IMG_5762.jpg
b.) the fdc http://n8vem-sbc.pbworks.com/f/IMG_8632.JPG
So, if you use a right angled power-connector on the cpu, you could
probably just stack those two board on top of each other, without the
need of the bus backplane.
My thoughts to all of this:
1.) I don't care about the sd-flash, Not sure if it really helps. After
all, we still talk about floppies, so a decent V24 should be good enough
to send /receive data from a floppy.
2.) The board is missing the 8" floppy connector, which is bad. Would
make it easier to get the people playing with it. I know, you can wire
it up easily, but you probably like to get the software people on board
too ?
;-)
Cheers
STANDARD DISCLAIMER : (SORRY, I'M NOT INVOLVED IN THIS PROJECT AT ALL,
BUT I'M WATCHING IT FOR A WHILE. LIKED TO PLAY WITH CP/M AND Z80 BEFORE)
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