#! /home/drjury/stephan/icarus/lib/ivl/../../bin/vvp
:vpi_time_precision + 0;
:vpi_module "system";
S .scope module, "test";
V.force_expr .var "force_expr", 1, 0;
V.pca_expr .var "pca_expr", 1, 0;
V.tgt .var "tgt", 1, 0;
S.test .scope task, "test.test", S;
V.test.errors .var "errors", 0, 0;
V.test.expect .var "expect", 1, 0;

fofu .force V.tgt, V.force_expr[0], V.force_expr[1];

TD.test ;
    %delay 1;
    %load  8, V.tgt[0];
    %load  9, V.tgt[1];
    %load  10, V.test.expect[0];
    %load  11, V.test.expect[1];
    %cmp/u 8, 10, 2;
    %inv 6, 1;
    %mov 8, 6, 1;
    %jmp/0xz  T_0.0, 8;
    %vpi_call "$display", "%b FAILED: expect %b", V.tgt, V.test.expect;
    %set V.test.errors[0], 1;
    %jmp T_0.1;
T_0.0 ;
    %vpi_call "$display", "%b", V.tgt;
T_0.1 ;
    %end;
    .scope S;
T_1 ;
    %set V.test.errors[0], 0;
    %end;
    .thread T_1;
    .scope S;
T_2 ;
    %vpi_call "$dumpvars";
    %set V.tgt[0], 0;
    %set V.tgt[1], 0;
    %set V.pca_expr[0], 1;
    %set V.pca_expr[1], 0;
    %set V.force_expr[0], 0;
    %set V.force_expr[1], 0;
    %set V.test.expect[0], 0;
    %set V.test.expect[1], 0;
    %fork TD.test, S.test;
    %join;

 %cassign V.tgt[0], V.pca_expr[0];
 %cassign V.tgt[1], V.pca_expr[1];

    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;
    %set V.pca_expr[0], 1;
    %set V.pca_expr[1], 1;
    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %force fofu, 2;

    %load  8, V.force_expr[0];
    %load  9, V.force_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;
    %set V.force_expr[0], 0;
    %set V.force_expr[1], 1;
    %load  8, V.force_expr[0];
    %load  9, V.force_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %release V.tgt[0];
 %release V.tgt[1];

    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %deassign V.tgt[0], 2;

    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

    %set V.pca_expr[0], 1;
    %set V.pca_expr[1], 0;
    %set V.test.expect[0], 1;
    %set V.test.expect[1], 1;
    %fork TD.test, S.test;
    %join;

 %cassign V.tgt[0], V.pca_expr[0];
 %cassign V.tgt[1], V.pca_expr[1];

    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %force fofu, 2;

    %load  8, V.force_expr[0];
    %load  9, V.force_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %deassign V.tgt[0], 2;

    %load  8, V.force_expr[0];
    %load  9, V.force_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %release V.tgt[0];
 %release V.tgt[1];

    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

    %set V.force_expr[0], 1;
    %set V.force_expr[1], 1;

 %force fofu, 2;

    %load  8, V.force_expr[0];
    %load  9, V.force_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %cassign V.tgt[0], V.pca_expr[0];
 %cassign V.tgt[1], V.pca_expr[1];

    %load  8, V.force_expr[0];
    %load  9, V.force_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %release V.tgt[0];
 %release V.tgt[1];

    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;

 %deassign V.tgt[0], 2;

    %load  8, V.pca_expr[0];
    %load  9, V.pca_expr[1];
    %set V.test.expect[0], 8;
    %set V.test.expect[1], 9;
    %fork TD.test, S.test;
    %join;


    %load  8, V.test.errors[0];
    %mov 4, 8, 1;
    %mov 8, 1, 1;
    %jmp/0xz T_2.0, 4;
    %mov 8, 0, 1;
T_2.0 ;
    %jmp/0xz  T_2.1, 8;
    %vpi_call "$display", "PASSED";
T_2.1 ;
    %vpi_call "$finish";
    %end;
    .thread T_2;