/* -----
   mux: Illustrates the use of macros
   ----- */
Define MyMux i[3..0] c[1..0] | out;
 Not 1b c[0] not-c0;
 Not 2b c[1] not-c1;

 And 1c i[0] not-c1 not-c0 out-1;
 And 2c i[1] not-c1 c[0]   out-2;
 And 3c i[2] c[1]   not-c0 out-3;
 And 4c i[3] c[1]   c[0]   out-4;

 Or  3d out-1 out-2 out-3 out-4 out;
Endef;

/* -----
   Set up circuit that uses "MyMux"
   ----- */
/* The inputs */
Switch 1a sw0 ZERO;
Switch 2a sw1 ZERO;
Switch 3a sw2 ZERO;
Switch 4a sw3 ZERO;

/* The controls */
Switch 6a sw4 ZERO;
Switch 8a sw5 ZERO;

MyMux 1b-4d sw3 sw2 sw1 sw0 sw4 sw5 | out;

Probe 3e out;