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- The GUS Programmer's Digest Monday, 19 June 1995 Volume 20 : Number 012
-
- Today's Topics:
- Re: The GUS Programmer's Digest V20 #11
-
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- - Meta-info about the GUS can be found at the end of the Digest.
- - Before you ask a question, please READ THE FAQ.
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- ----------------------------------------------------------------------
-
- From: "John D. Zitterkopf" <jdz1@Ra.MsState.Edu>
- Date: Sun, 18 Jun 1995 11:29:56 -0500
- Subject: Re: The GUS Programmer's Digest V20 #11
-
- - -->This function is called the digital loopback. All that is needed in your
- - -->you'll be done. This is accomplished by puttin a 0 in the LBE bit of the
- - -->Loopback Control Register (I13). You also have the possibility of simply
- - -->attenuating this value with the other bits in the I13 register.
- - -->
- - -->If i remember correctly, base address is for teh indirect registers (like
- - -->I13) for the first 5 bits while the 6th bit must be set. base +1 is for
- - -->the value. In the case of I13, the lsb is the enable/disable, second bit
- - -->is unused and the others are the attenuation, where 0= 0dB attenuation
- - -->and 63=94,5dB attenuation.
-
- I think if you use base address of the GUSMAX + 0 for the indirect address
- register and Base + 1 for the Data register it will work. I just finished
- adding support for the GUSMAX in SNDSTATE V2.2. It's still in beta-testing,
- but the code seems to be stable now. This version allows you to change the
- Loopback volume and enable bits through a 640x480x16 color mouse controlled
- GUI. If you interested in the program, please E-mail me personally.\
-
- John
- ____________ _------_ | EE majors Do it 'til it Hz 8-)
- --------\\ ] ~-______-~ |~~~~~~~~~~~~~John D. Zitterkopf~~~~~~~~~
- (~~~~~\\|_(__ ~~ | jdz1@ra.MsState.edu Zitt@aol.com
- \______| ( | http://www2.msstate.edu/~jdz1
-
- ------------------------------
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- End of The GUS Programmer's Digest V20 #12
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