[Coco] RS232 Schematics, was DriveWire survey

[CoCoList for Color Computer Enthusiasts]

On 5/11/2014 11:35 PM, CoCoList for Color Computer Enthusiasts wrote:
>
>
> I would agree that a CPLD is probably the best way to go.  For the CoCo SDC
> I used a CPLD to implement a dual port register file that can be accessed
> in parallel by both the CoCo and the AVR uC. There is also some simple
> handshaking logic to allow coordinated transfers with almost no overhead.
> On a CoCo with a 6309, it allows me to use the TFM instruction to do block
> transfers to and from the AVR at the highest possible speed (without
> resorting to DMA).
>
> Darren
>
>
Any chance the Verilog/CHDL is available?  I was going to scare some up 
for this, but I'm always excited to find already debugged HDL.

Jim


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