gmsd.abl

GAL开发工具

   module switch;
   title 'switch in GAL16v8 98.8.20 FOR control'
   Gmsd device 'p16v8s';
        a5,a4,a3,a2,a1,a0 PIN 9,8,7,6,5,4;
        d7,d6,d5,d4,d3,d2,d1,d0  PIN 12,13,14,15,16,17,18,19;
   EQUATIONS
        d7=0;
        d6=0;
        d5=!a5&a4&a3&a2&a1&a0;
        d4=d5#(a5&!a4&a3&a2&a1&a0);
        d3=d5#(a5&!a4&a3&a2&a1&a0)#(a5&a4&!a3&a2&a1&a0)#(a5&a4&a3&!a2&a1&a0);
        d2=(a5&!a4&a3&a2&a1&a0)#(a5&a4&!a3&a2&a1&a0)#(a5&a4&a3&a2&!a1&a0);
        d1=d5#(a5&a4&!a3&a2&a1&a0);
        d0=d5#(a5&!a4&a3&a2&a1&a0)#(a5&a4&a3&!a2&a1&a0);
   test_vectors
       ([a5,a4,a3,a2,a1,a0]->[d7,d6,d5,d4,d3,d2,d1,d0]);
        [0, 1, 1, 1 , 1, 1]->59;
        [1, 0, 1, 1 , 1, 1]->29;
        [1, 1, 0, 1 , 1, 1]->14;
        [1, 1, 1, 0 , 1, 1]-> 9;
        [1, 1, 1, 1 , 0, 1]-> 4;

   END switch