1.44M floppy on Color Computer (was Re: Ebay reaches new low)

From: Eric Smith <eric_at_brouhaha.com>
Date: Tue Nov 9 20:33:14 1999

Dwight Elvey <elvey_at_hal.com> wrote:
> We shouldn't be too skeptical until we really look at what
> the processor can really do. I don't have any info
> on 6809's

I'm familiar with them, and at 1 MHz the fastest instructions
take 2 us. That doesn't let you do very much when you need
to transfer a byte every 16 us. IIRC just an iteration
of the loop to poll DRQ takes 7 or 8 us if you don't use
some fancy tricks.
Received on Tue Nov 09 1999 - 20:33:14 GMT

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