Umm, duh, here's the actual patch. :-)

Nathan Bryant wrote:

> Doug Ledford wrote:
>
>> The attached patch should get me the debugging output I need to solve 
>> the problem.  If you'll get me the output, then I can likely have a 
>> working version in short order.
>
>
> Here is a fix. It is diffed against your original 0.08 version, Doug.
>
> It makes GETOPTR set the LVI to the hardware fragment preceding the 
> one that's currently playing. In the case of Quake, that means Quake 
> must call GETOPTR at least every 3/4ths of a DMA buffer. Hopefully 
> that requirement should be relaxed enough. The alternate fix is to 
> modify the completion handlers.
>
> I don't see anything obvious in the databook about how to make the 
> hardware loop infinitely without taking any additional input from us.
>
> Comments, please.
>