On Tue, 13 Jul 1999 22:40:21 -0700 (PDT), "David A. Gatwood" <dgatwood@mvista.com> wrote:
> On Wed, 14 Jul 1999, Ken Nakata wrote:
> > 
> > PSC.  It does DMA among other things on the 68k AV Macs.
> 
> Ah.  I have a strange suspicion that it's a predecessor to AMIC, but I'd
> have a hard time confirming that.  If it does, it's probably a lot simpler
> than the ugly ML code would have you believe.  AMIC and DBDMA are both
> remarkably simple onvce you see actual code, although DBDMA has a lot more
> capabilities that can make the code a lot more complicated if somebody's
> willing to use them.  Needless to say, though, I wouldn't expect PSC to be
> anywhere close to that.

Actually, thanks to hard work by Dave Huang, we do make use of PSC.
It's just that only the code to do DMA for the MACE Ethernet chip has
been written...

Ken