[Coco] Internet via Coco
cocowal6809 at gmail.com
Wed Jul 14 11:09:40 EDT 2010
On Thu, Jul 15, 2010 at 1:01 AM, L. Curtis Boyle <curtisboyle at sasktel.net>wrote:
> Would you need to map the entire 32 bytes into the Coco's I/O at once? Or
> could you have a buffer (similar to no-halt disk controllers), that you map
> into 1 (or 2) bytes, and "stream-read" off of to collect (or write) the
> buffer contents? I still like the way the Elimimator controller from FHL
> worked... it latched into 2 consecutive memory locations, but presented the
> same byte on both, until a read started. That way, you could use TFM on a
> 6309 on one memory location for maximum speed, or do a LDD from 2
> consecutive memory locations on a 6809, for maximum speed on that chip.
> Thats an excellent solution , its implementation would be a great project
for many modern devices that we could interface to the coco , the memory
address space limitation we face really is a PITA.
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