Subject: Re: audio device
To: Ken Nakata <kenn@synap.ne.jp>
From: Colin Wood <cwood@ichips.intel.com>
List: port-mac68k
Date: 07/13/1999 19:45:46
Ken Nakata wrote:
> On Tue, 13 Jul 1999 19:58:13 -0500 (CDT), Frederick Bruckman <fb@enteract.com> wrote:
> > 
> > Do you have any information on the Singer codec in the AV macs? All
> > I've been able to find so far is the code name of the chip.
> 
> I do.  Singer is Apple's code name, but it's actually a codec chip
> developed and sold by another company (I think the company was called
> ITT or something).  I downloaded the PDF datasheet off the Net a while
> ago, and I hope it's still buried somewhere in one of my HFS
> partitions.  I'll try to get and post the URL when I get home or I
> could directly send the PDF to you if you want (provided that I didn't
> lose it when my 2G drive died on me).

oooohhhh....that'd be very cool.
 
> I think we need to figure out how DMA works for audio I/O, also.  I
> tried to disassemble the ROM code but I quickly got lost every time I
> tried.

i think the dma part should be fairly easy...of course, i'm probably just
kidding myself :-)

later.

colin