28 Nov
2005
28 Nov
'05
10:46 a.m.
From: "Allison" <ajp166 at
bellatlantic.net>
> From: woodelf <bfranchuk at jetnet.ab.ca>
---snip---
Did anybody ever use a serial chip and a data
separater
rather than a floppy disk controler?
Yes, many. usually its a sync chip.
Allison 
28 Nov
28 Nov
11:07 a.m.
On 11/28/2005 at 10:46 AM Dwight K. Elvey wrote:
Besides the HeathKit hard sectored controller board,
used on both the H8 and the H89, Polymorphics also
used a serial chip to do data. In both of these
cases, as you state, they used synchronous serial
chips and not async.
To put a reverse twist on this, has anyone ever used two floppy controllers
to transfer data between two systems? I know it'd take a little extra
hardware (something has to provide address headers outside of a format
operation), but it should still be quite possible to do so.
I've never tried, however. Ethernet is so much easier.
Cheers,
Chuck
12:12 p.m.
Chuck Guzis wrote:
On 11/28/2005 at 10:46 AM Dwight K. Elvey wrote:
Yes, I have. only because the system didnt' have a serial port, only a
centronics printer port (non PC style).
Depends on the floppy controller on the headers.
the 765 makes a good tape controller.
Allison
Besides the HeathKit hard sectored controller
board,
used on both the H8 and the H89, Polymorphics also
used a serial chip to do data. In both of these
cases, as you state, they used synchronous serial
chips and not async.
To put a reverse twist on this, has anyone ever used two floppy controllers
to transfer data between two systems? I know it'd take a little extra
hardware (something has to provide address headers outside of a format
operation), but it should still be quite possible to do so.
3:21 p.m.
On 11/28/05, Chuck Guzis <cclist at sydex.com> wrote:
To put a reverse twist on this, has anyone ever used
two floppy controllers
to transfer data between two systems? I know it'd take a little extra
hardware (something has to provide address headers outside of a format
operation), but it should still be quite possible to do so.
There was a product for the Amiga that did this, but the Amiga's FDC
is really just a combination of a couple of portions of a couple of
custom chips. The data transfer portion is a huge shift register that
lives on the sound chip (Paula).
Dunno how much work it would be to make something like that for a WD
FDC-based machine, like a PeeCee.
-ethan
4:15 p.m.
On 11/28/2005 at 11:21 PM Ethan Dicks wrote:
Dunno how much work it would be to make something like
that for a WD
FDC-based machine, like a PeeCee.
How about attaching the read data and index lines on the floppy drive on
one machine to the FDC on another? Format the diskette and write the data
to be transfered on a given track. Allow the other machine to read it.
Klutzy, but it ought to work with very little in the way of extra logic.
Cheers,
Chuck
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