This brought up a question: what's there to be done that CAN be done to
improve performance on old Macintoshes? I've got some time and programming
experience to donate if we can come up with a list of things to be addressed.

Thanks,
-Claudio

> 
> I've sent in preliminary DMA support for the AV's in the form of a PR. 
> However, the performance still isn't great because while the data gets 
> moved with the DMA engine instead of the CPU, the NCR SCSI chip doesn't 
> ship much data because it's stuck in asyc transfer mode. Some work needs 
> to happen to get synchronous transfers to work. If synchronous transfers 
> worked, I have no doubt that DMA transfers would be quite fast, even in 
> their preliminary state. Furhter optimizations could happen on the DMA 
> transfers after that but they are window dressing compared to getting 
> sync transfers to work.
> 
> -- 
> ----------------------------------------------
>  Michael Zucca - mrz5149@acm.org
> ----------------------------------------------
>  "I'm too old to use Emacs." -- Rod MacDonald
> ----------------------------------------------
> 

-- 
Claudio Leite
- http://leitec.org/
- http://staticky.com/