[Coco] Drivewire question

[Roger Taylor]

At 09:01 PM 3/25/2009, you wrote:
>On Wed, Mar 25, 2009 at 04:18:57PM -0700, Darren A wrote:
> > In the case of DriveWire, interrupts are not used for the serial data
> > transfers. All transactions are initiated at the request of the CoCo
> > and interrupts are masked during these transactions. Using the same
> > tecnique for a 6551 version of DriveWire would not require any
> > increase in bandwidth over the bus since the serial port  I/O is not
> > interleaved with I/O to any other device during a transaction.
>
>Does that also apply to the OS-9 client?  If so, wouldn't that rather
>hose multitasking?
>
>The fscking hi-res mouse adaptor is bad enough, and the halting floppy
>controller... :-(
>
>(:Hi Gene.  Yes I know the serial mouse is the answer.  But that
>wasn't the question. :-)
>
>I'm ordering the parts to convert a modem pak into an rs-232 pak.
>
>Willard



Willard, I have 400  1488's  and 400 1489's...  :)  What'ya need?


-- 
Roger Taylor

http://www.wordofthedayonline.com