[Coco] OS9 vs Flex

[John Kent]

On 2/01/2012 8:30 PM, John Kent wrote:
>
> The advantage of the 8 bit design is that you don't need a big 
> expensive FPGA board. You should be able to implement a 4 core 6809 in 
> a XC3S1000 FPGA. You use block RAM as cache to reduce the memory 
> bandwidth requirements for main memory. You can implement interrupt 
> driven inter-processor communications. I'm not sure why you'd want to 
> do that, but there may be reasons such as low latencies on interrupt 
> or device handling.
>
> If you can have separate processors servicing I/O in parallel it 
> reduces the time between servicing events and I/O can overlap. 
> Processors can share common instruction code while having their own 
> data segments.
>
> John.
>

A parallel CoCo farm ? :-)

John.

-- 
http://www.johnkent.com.au
http://members.optusnet.com.au/jekent