From: then@snakemail.hut.fi (Tomi  H Engdahl)
Newsgroups: comp.sys.ibm.pc.soundcard
Subject: Re: Request for WIN 3.1 COVOX driver
Date: 23 Jan 93 11:26:23 GMT
Organization: Helsinki University of Technology, Finland
Distribution: inet
NNTP-Posting-Host: lk-hp-7.hut.fi
In-reply-to: rh@loral.uucp's message of Mon, 18 Jan 93 22:22:24 GMT

In article <1993Jan18.222224.28728@loral.CTS.COM> rh@loral.uucp (Randy Houk ) writes:

>	Now that I have these cool LPT DAC's, could someone please
>	post a Windows 3.1 driver?  Also, does anyone know what 
>	differentiates a Disney Sound Source from a plain DAC?
>	In other words, how can I get a home-brew LPT DAC to be
>	recognized as a DSS, i.e. for Wolfenstein 3D?

Disney sound source has some "intelligence" in it. It has internal
playback clock, it has internal FIFO and it can generate interrupts.
It is possible to send data to DSS in 16 byte blocks or one byte at time.
When data is send to DSS, some handshaking is needed.

LPT DAC is just a plain DAC without anything fancy features. It just
converts data in the data lines to an analogue signal. 

You can't make LPT DAC to act like DSS.

And here is the window driver for LPT DAC:

------------ cut here ---------------------------------------
begin 400 covox.zip
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end

--
Tomi.Engdahl@hut.fi    !  LOWERY'S LAW:
then@snakemail.hut.fi  !  "If it jams - force it. If it breaks,
                       !   it needed replacing anyway."