## Using Your DDK

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### MAD16 Multimedia Virtual Device Driver

Driver Description:

The MAD16 Multimedia Virtual Device Driver initializes the MAD16 Pro (OPTI/ MediaCHIPs 82C928) integrated digital audio controller. The MAD16 Pro is on the Media Magic ISP-16 and many other multimedia boards.

Compilers/Assemblers Required:

         Watcom C 10.0 'B' Level or higher

Note: Watcom 'B' Level files are available through CompuServe or through TCP/IP at ftp.watcom.on.ca in the \PUB\BBS\LANG_V10.0\C directory.

Build Instructions:

1.Set the environment variables so the correct tools are picked up during the build:

    e.g., set path=<drive>:\DDK\TOOLS;%path%
          set include=<drive>:\DDK\BASE\SRC\DEV\MME\MAD16;%INCLUDE%

Where <drive> represents your DDK installed drive and DDK represents the DDK installed directory. On the CD-ROM, the TOOLS directory path is DDK\ TOOLS.

2.Make sure the Watcom C 10.0 'B' Level or higher compiler is installed and the environment variables are correctly set.

    e.g.,
      SET PATH=<watcomdrive>:\'watcom'\BINB;%PATH%
      SET INCLUDE=<watcomdrive>:\'watcom'\H;%INCLUDE%
      SET LIB=<watcomdrive>:\'watcom'\LIB;%LIB%

Where <watcomdrive> represents the Watcom C 10.0 'B' Level or higher installed drive and 'watcom' represents the Watcom C 10.0 'B' Level or higher installed directory.

3.Change the directory to DDK\BASE\SRC\VDEV\MME\VMAD16.

4.To build the retail version, invoke NMAKE on the resident makefile.

To build the debug version, set DEBUG=1 and invoke NMAKE on the resident makefile.

Files Created by Successful Build:

         Directory:  \DDK\BASE\SRC\VDEV\MME\VMAD16

         o  VMAD16.SYS