src/example4.vut

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <vut module_name="fulladder">
   3     <time_scale t_div="10" unit="ns"/>
   4     <waveform>
   5         ============================================
   6         a[7:0]     i@|00|00|ff|ff|R1|R2|R4|R6|R2|ff|ff|
   7         --------------------------------------------
   8         b[7:0]     i@|00|ff|00|ff|R3|R4|R1|R1|R5|ff|ff|ff|
   9         ============================================
  10         result[7:0]o@|00|ff|ff|fe|ref_function(a,b)|
  11         --------------------------------------------
  12         overflow   o@|0 |0 |0 |1 |ref_function(a,b)|
  13         ============================================
  14     </waveform>
  15     <gen_with>
  16         R1 = (0,255)
  17         R2 = (5,ff)
  18         R3 = (30,ff)
  19         R4 = (2f,ff)
  20         R5 = (2,ff)
  21         R6 = (0,6f)
  22
  23         <python_code output="result">lambda a,b: a + b</python_code>
  24
  25         <!--python_code output="overflow">include_python_file("overflow.py")</python_code-->
  26         <python_code output="overflow">
  27             lambda a,b: (a+b) > 255 and 1 or 0
  28             #Eh o mesmo que if (a + b) > 255: return 1; else: return 0
  29             #uma estencao seria res = python_code_file{dut.py}
  30         </python_code>
  31     </gen_with>
  32
  33 </vut>
  34