[Coco] What do people want?

[Bill Pierce]

David, from what I gather, the becker port addresses ($FF41 - $FF42) woud conflict with with the floppy controller (FD-502 $FF40-$FF4F). The only reason it works with the emulators is because the floppy emulation doesn't actually use those addresses and a real floppy controller does. If no floppy cart was being used, then no problem.
But it would be a small matter to just change the 2 addresses in the becker port. The software (other than the actual addresses) would remain the same. Becker2 ??
 

Bill Pierce
"Today is a good day... I woke up" - Ritchie Havens
 

My Music from the Tandy/Radio Shack Color Computer 2 & 3
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-----Original Message-----
From: David Ladd <dladd at realmspire.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Sat, Dec 13, 2014 2:54 pm
Subject: Re: [Coco] What do people want?


On Sat, Dec 13, 2014 at 12:17 PM, Mark Marlette
<mmarlette at frontiernet.net> wrote:
> David,
> I believe that we had had an email thread on this subject of the FTDi and what 
my proto contained.

Mark, you would be right on this.  We did a year or two ago.  At that
time was looking at the FT245BM which used a external crystal and I
think other components.  Found that had been replaced by another

revision chip and then that was then later replaced by this FT245RL.
One reason I shared the FT245RL in this discussion for the simplicity
of chip.

> Aaron and I did some initial benchmarking on this chip platform several years 
ago and it is capable of sustained serial transfers of over 100KBps, actually we 
obtained 130KBs, IIRC.
> Taking the hardware and developing the handshake that is optimal for the coco 
and SuperDriver, takes a CPLD. This approach is being used in all of my new 
designs which will take all transfers on megaread test times to 7-9 seconds. 
This is the initial testing Boisy and I did on this subject with SuperDriver and 
the overhead research performed to optimize the data transfer rate on the CC3.
> So USB/serial, SD(SPI), doesn't matter. Raw data transfers around a ~1M baud.

I also brought it up as there are already drivers for the becker
interface and figured it would work well for most of our needs overall
if such a device ever got made. :D  Mainly tossing out ideas is all.
And there is always room of discussing better ways of doing things
too.  How we get better toys(errr.... cough.... products).

>

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