src/soc/experiment/sr/sr_driver.cc

   1 #include <stdio.h>
   2
   3 #include "sr.cc"
   4
   5 cxxrtl_design::p_top top;
   6
   7 void step() {
   8         top.step();
   9         fprintf(stderr, "SET %d CLR %d Q %d\n",
  10                 top.p_sr__set.data[0], top.p_sr__clr.data[0], top.p_q.data[0]);
  11 }
  12
  13 int main() {
  14         step();
  15
  16         top.p_sr__set = value<3>{3u};
  17         step(); // set bits 0 & 1
  18
  19         top.p_sr__set = value<3>{0u};
  20         top.p_sr__clr = value<3>{1u};
  21         step(); // clear bit 0
  22
  23         top.p_sr__clr = value<3>{0u};
  24         step(); // retain latched value
  25
  26         top.p_sr__set = value<3>{2u};
  27         top.p_sr__clr = value<3>{2u};
  28         step(); // clear bit 1, since CLR has priority over SET
  29
  30         return 0;
  31 }