[Coco] Fwd: IP packets on my coco

RETRO Innovations go4retro at go4retro.com
Thu Jun 9 21:19:43 EDT 2016


On 6/9/2016 12:36 PM, John W. Linville wrote:
> https://www.cirrus.com/jp/pubs/proDatasheet/CS8900A_F5.pdf
>
>  From page 77:
>
> 4.10.9  Basic I/O Mode Receive
>
> I/O Mode receive operations occur in the following order (In this
> example, interrupts are enabled to signal the presence of a valid
> receive frame):
>
> 1)  A frame is received by the CS8900A, triggering an enabled
> interrupt.
>
> <snip>
>
> That looks fairly clear to me.  Is the datasheet wrong?
I don't think it is wrong, but maybe it is incomplete.  Numerous 
developers in the 64 side have lamented the lack of IRQ capability in IO 
mode.  I will check to see where they got their information.

JIm





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