There have been a number of requests for my source code which
allows you to synthesize a sine wave on the NeXT's DAC.
Enclosed is a copy of the source.  Make sure you separate the code into three
different files:  sine.c, sine.asm, and ioequ.asm.
Compile sine.c with:  cc -ansi -lm -lsys_s -O.
Assemble sine.asm with:  asm56000 -a -b -l;  ioequ.asm is included
by sine.asm.

Leonard Manzara (manzara@cpsc.UCalgary.CA)