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              The Using Your GUS with Doom FAQ
          Brad Spencer (Bilbo) <[email protected]>
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 It shouldn't usually be a problem, but sometimes using your
GUS with Doom can produce strange results, so here are some
things to check if you have no sound or scratchy sound effects.

1. Everything tells me not to use the higher-than-8 IRQs with
  DOOM, but they work anyway?  What gives?

 Some configurations work with the high IRQs, some don't.  If
 it works but you are getting scratchy digitial sound effects,
 see below.

2. My music is cool, but the digital sound effects sound scratchy
  or just not the same as they did in Doom 1.2.  What is wrong?

 Ok, this is the big one.  For me, personally, Doom 1.2 was fine.
 No problems at all; no complaints.  But then id's sound guy
 tried to add Sound Blaster AWEful 32 support, and we all know
 what a SB can do to nice sound. :)  As a result, when I played
 the beta version 1.4, 1.5 and 1.6, the digital effects were
 terrible.  Some people didn't have this problem, but I did
 (even with my revision 2.4 GUS :).  After upgrading my Doom 1.2
 to 1.666 with the patch, I scanned the FAQ (thanks, Hank!) and
 saw two options that were labelled "unknown":  -GUS and -GUS1.
 I have found that with my 1 Meg GUS, a -GUS1 was all it took
 to restore the original clear sound effects!  Thanks id, I
 guess, for fixing this :)  Perhaps -GUS works for other
 Ultrasounds, but it did nothing for me.  I still hear the
 occasional pop or  click, but this seems to be a problem in the
 game rather than a GUS-specific problem.  (It happens on Sound
 Blasters, too.)

3. I tried all that, and it still doesn't work.

 Well, here is where those IRQs come in again.  If you used the
 -GUS1 option and still have scratchy sound, try changing you
 GF1 and MIDI IRQs to levels below 8.  I can use 5,11 for Doom
 1.2 with no problems, but I have to do use 11,5 and a -GUS1
 with Doom 1.666.  If you don't already have your IRQs set this
 level, or you need them at higher levels in order to use other
 programs, create a batch file such as this to run Doom:

   @ECHO OFF
   D:
   CD\GAMES\DOOM
   SET ULTRASND=240,7,7,11,5  (select GF1 IRQ=11, MIDI IRQ=5)
   C:\ULTRASND\ULTRINIT.EXE
   DOOM -GUS1
   SET ULTRASND=240,7,7,5,11 (select original IRQ settings)
   C:\ULTRASND\ULTRINIT.EXE

   * NOTE *  It seems that this _ONLY_ works with the 11,5 setting!
   If you find any more setting that work, please mail me!

 This is where the easy configuration of the GUS comes in
 handy.  You can change the setup on the fly with no
 problems at all.  If you still have scratchy sound . . .
 well, wait for the next FAQ! :)

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