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  1. # Starting simulation...
  2. # Done BEQ test...
  3. # Starting R-type test...
  4. # R-type ALUSrcA4
  5. # R-type ALUOp4- expected: 2'b10 actual: 00
  6. # R-type RegDst5
  7. # R-type RegDst6
  8. # R-type RegDst7
  9. # R-type ALUSrcA8
  10. # R-type ALUOp8
  11. # R-type RegDst9
  12. # R-type RegDst2'b10
  13. # R-type RegDst2'b11
  14. # R-type ALUSrcA12
  15. # R-type ALUOp12
  16. # Done R-type test...
  17. # Starting LW test...
  18. # lw RegDst1
  19. # lw RegDst2
  20. # lw RegDst3
  21. # lw RegDst4
  22. # lw lorD5
  23. # lw MemtoReg6
  24. # lw MemtoReg7
  25. # lw MemtoReg8
  26. # lw MemtoReg9
  27. # lw lorD10
  28. # lw MemtoReg11
  29. # lw MemtoReg12
  30. # lw MemtoReg13
  31. # lw MemtoReg14
  32. # lw lorD15
  33. # Done LW test...
  34. # Starting SW test...
  35. # sw MemtoReg1
  36. # sw MemtoReg2
  37. # sw MemtoReg3
  38. # sw MemtoReg4
  39. # sw MemtoReg5
  40. # sw MemtoReg6
  41. # sw MemtoReg7
  42. # sw MemtoReg8
  43. # sw MemtoReg9- expected: 1 actual: 0
  44. # sw MemtoReg10- expected: 1 actual: 0
  45. # sw MemtoReg11- expected: 0 actual 0
  46. # sw MemtoReg12- expected: 1 actual: 0
  47. # Done SW test...
  48. # Starting J test...
  49. # j MemtoReg1- expected: 1 actual: 0
  50. # j MemtoReg2- expected: 1 actual: 0
  51. # j ALUSrcB3- expected: 2'b11 actual: 00
  52. # j MemtoReg3- expected: 1 actual: 0
  53.  
  54.  
  55. module test_controller_2;
  56.  
  57. reg [5:0] Op;
  58. reg Clk;
  59. wire [1:0] ALUOp, ALUSrcB, PCSource;
  60. wire PCWriteCond, PCWrite, lorD, MemRead, MemWrite, MemtoReg, IRWrite, ALUSrcA, RegWrite, RegDst;
  61.  
  62.   controller U0 (
  63.   .Op      (Op),
  64.   .Clk     (Clk),
  65.   .ALUOp   (ALUOp),
  66.   .ALUSrcB  (ALUSrcB),
  67.   .PCSource    (PCSource),
  68.   .PCWriteCond  (PCWriteCond),
  69.   .PCWrite (PCWrite),
  70.   .lorD  (lorD),
  71.   .MemRead    (MemRead),
  72.   .MemWrite  (MemWrite),
  73.   .MemtoReg (MemtoReg),
  74.   .IRWrite  (IRWrite) ,
  75.   .ALUSrcA  (ALUSrcA),
  76.   .RegWrite (RegWrite),
  77.   .RegDst  (RegDst)
  78.   );
  79.  
  80.  
  81. initial begin
  82.   Clk = 0;
  83.   Op = 6'h04;
  84.   $display("Starting simulation...");
  85.   #1;   // s0
  86.   if(MemRead !== 1)  $display("BEQ MemRead1");
  87.   if(ALUSrcA !== 0) $display("BEQ ALUSrcA1");
  88.   if(lorD !== 0)  $display("BEQ lorD1");
  89.   if(IRWrite !== 1)  $display("BEQ IRWrite1");
  90.   if(ALUSrcB !== 2'b01) $display("BEQ ALUSrcB1");
  91.   if(ALUOp !== 2'b00)  $display("BEQ ALUOp1");
  92.   if(PCWrite !== 1)  $display("BEQ PCWrite1");
  93.   if(PCSource !== 2'b00)  $display("BEQ PCSource1");
  94.   if(PCWriteCond !== 0) $display("BEQ PCWriteCond1");
  95.   #2;   // s1
  96.   if(MemRead !== 0)  $display("BEQ MemRead2");
  97.   if(ALUSrcA !== 0) $display("BEQ ALUSrcA2");
  98.   if(lorD !== 0)  $display("BEQ lorD2");
  99.   if(IRWrite !== 0)  $display("BEQ IRWrite2");
  100.   if(ALUSrcB !== 2'b11) $display("BEQ ALUSrcB2");
  101.   if(ALUOp !== 2'b00)  $display("BEQ ALUOp2");
  102.   if(PCWrite !== 0)  $display("BEQ PCWrite2");
  103.   if(PCSource !== 2'b00)  $display("BEQ PCSource2");
  104.   if(PCWriteCond !== 0) $display("BEQ PCWriteCond2");
  105.   #2;   // s8
  106.   if(MemRead !== 0)  $display("BEQ MemRead3");
  107.   if(ALUSrcA !== 1) $display("BEQ ALUSrcA3");
  108.   if(lorD !== 0)  $display("BEQ lorD3");
  109.   if(IRWrite !== 0)  $display("BEQ IRWrite3");
  110.   if(ALUSrcB !== 2'b00) $display("BEQ ALUSrcB3");
  111.   if(ALUOp !== 2'b01)  $display("BEQ ALUOp3");
  112.   if(PCWrite !== 0)  $display("BEQ PCWrite3");
  113.   if(PCSource !== 2'b01)  $display("BEQ PCSource3");
  114.   if(PCWriteCond !== 1) $display("BEQ PCWriteCond3");
  115.   #2;   // s0
  116.   if(MemRead !== 1)  $display("BEQ MemRead4");
  117.   if(ALUSrcA !== 0) $display("BEQ ALUSrcA4");
  118.   if(lorD !== 0)  $display("BEQ lorD4");
  119.   if(IRWrite !== 1)  $display("BEQ IRWrite4");
  120.   if(ALUSrcB !== 2'b01) $display("BEQ ALUSrcB4");
  121.   if(ALUOp !== 2'b00)  $display("BEQ ALUOp4");
  122.   if(PCWrite !== 1)  $display("BEQ PCWrite4");
  123.   if(PCSource !== 2'b00)  $display("BEQ PCSource4");
  124.   if(PCWriteCond !== 0) $display("BEQ PCWriteCond4");
  125.   #2;   // s1
  126.   if(MemRead !== 0)  $display("BEQ MemRead5");
  127.   if(ALUSrcA !== 0) $display("BEQ ALUSrcA5");
  128.   if(lorD !== 0)  $display("BEQ lorD5");
  129.   if(IRWrite !== 0)  $display("BEQ IRWrite5");
  130.   if(ALUSrcB !== 2'b11) $display("BEQ ALUSrcB5");
  131.   if(ALUOp !== 2'b00)  $display("BEQ 5");
  132.   if(PCWrite !== 0)  $display("BEQ PCWrite5");
  133.   if(PCSource !== 2'b00)  $display("BEQ PCSource5");
  134.   if(PCWriteCond !== 0) $display("BEQ PCWriteCond5");
  135.   #2;   // s8
  136.   if(MemRead !== 0)  $display("BEQ MemRead6");
  137.   if(ALUSrcA !== 1) $display("BEQ ALUSrcA6");
  138.   if(lorD !== 0)  $display("BEQ lorD6");
  139.   if(IRWrite !== 0)  $display("BEQ IRWrite6");
  140.   if(ALUSrcB !== 2'b00) $display("BEQ ALUSrcB6");
  141.   if(ALUOp !== 2'b01)  $display("BEQ ALUOp6");
  142.   if(PCWrite !== 0)  $display("BEQ PCWrite6");
  143.   if(PCSource !== 2'b01)  $display("BEQ PCSource6");
  144.   if(PCWriteCond !== 1) $display("BEQ PCWriteCond6");
  145.  
  146.   #1;   // s0
  147.   if(MemRead !== 1)  $display("BEQ MemRead7");
  148.   if(ALUSrcA !== 0) $display("BEQ ALUSrcA7");
  149.   if(lorD !== 0)  $display("BEQ lorD7");
  150.   if(IRWrite !== 1)  $display("BEQ IRWrite7");
  151.   if(ALUSrcB !== 2'b01) $display("BEQ ALUSrcB7");
  152.   if(ALUOp !== 2'b00)  $display("BEQ ALUOp7");
  153.   if(PCWrite !== 1)  $display("BEQ PCWrite7");
  154.   if(PCSource !== 2'b00)  $display("BEQ PCSource7");
  155.   if(PCWriteCond !== 0) $display("BEQ PCWriteCond7");
  156.   #2;   // s1
  157.   if(MemRead !== 0)  $display("BEQ MemRead8");
  158.   if(ALUSrcA !== 0) $display("BEQ ALUSrcA8");
  159.   if(lorD !== 0)  $display("BEQ lorD8");
  160.   if(IRWrite !== 0)  $display("BEQ IRWrite8");
  161.   if(ALUSrcB !== 2'b11) $display("BEQ ALUSrcB8");
  162.   if(ALUOp !== 2'b00)  $display("BEQ ALUOp8");
  163.   if(PCWrite !== 0)  $display("BEQ PCWrite8");
  164.   if(PCSource !== 2'b00)  $display("BEQ PCSource8");
  165.   if(PCWriteCond !== 0) $display("BEQ PCWriteCond8");
  166.   #2;   // s8
  167.   if(MemRead !== 0)  $display("BEQ MemRead9");
  168.   if(ALUSrcA !== 1) $display("BEQ ALUSrcA9");
  169.   if(lorD !== 0)  $display("BEQ lorD9");
  170.   if(IRWrite !== 0)  $display("BEQ IRWrite9");
  171.   if(ALUSrcB !== 2'b00) $display("BEQ ALUSrcB9");
  172.   if(ALUOp !== 2'b01)  $display("BEQ ALUOp9");
  173.   if(PCWrite !== 0)  $display("BEQ PCWrite9");
  174.   if(PCSource !== 2'b01)  $display("BEQ PCSource9");
  175.   if(PCWriteCond !== 1) $display("BEQ PCWriteCond9");
  176.   $display("Done BEQ test...");
  177.  
  178.  
  179.   Op = 6'h00;   // r-type
  180.   $display("Starting R-type test...");
  181.   #2;   //s0
  182.   if(MemRead !== 1)  $display("R-type MemRead1");
  183.   if(ALUSrcA !== 0) $display("R-type ALUSrcA1");
  184.   if(lorD !== 0)  $display("R-type lorD1");
  185.   if(IRWrite !== 1)  $display("R-type IRWrite1");
  186.   if(ALUSrcB !== 2'b01) $display("R-type ALUSrcB1");
  187.   if(ALUOp !== 2'b00)  $display("R-type ALUOp1");
  188.   if(PCWrite !== 1)  $display("R-type PCWrite1");
  189.   if(PCSource !== 2'b00)  $display("R-type PCSource1");
  190.   if(PCWriteCond !== 0) $display("R-type PCWriteCond1");
  191.   #2;   //s1
  192.   if(MemRead !== 0)  $display("R-type MemRead2");
  193.   if(ALUSrcA !== 0) $display("R-type ALUSrcA2");
  194.   if(lorD !== 0)  $display("R-type lorD2");
  195.   if(IRWrite !== 0)  $display("R-type IRWrite2");
  196.   if(ALUSrcB !== 2'b11) $display("R-type ALUSrcB2");
  197.   if(ALUOp !== 2'b00)  $display("R-type ALUOp2");
  198.   if(PCWrite !== 0)  $display("R-type PCWrite2");
  199.   if(PCSource !== 2'b00)  $display("R-type PCSource2");
  200.   if(PCWriteCond !== 0) $display("R-type PCWriteCond2");
  201.   #2;   //s6
  202.   if(MemRead !== 0)  $display("R-type MemRead3");
  203.   if(ALUSrcA !== 1) $display("R-type ALUSrcA3");
  204.   if(lorD !== 0)  $display("R-type lorD3");
  205.   if(IRWrite !== 0)  $display("R-type IRWrite3");
  206.   if(ALUSrcB !== 2'b00) $display("R-type ALUSrcB3");
  207.   if(ALUOp !== 2'b10)  $display("R-type ALUOp3- expected: 2'b10 actual: %b", ALUOp);
  208.   if(PCWrite !== 0)  $display("R-type PCWrite3");
  209.   if(PCSource !== 2'b00)  $display("R-type PCSource3");
  210.   if(PCWriteCond !== 0) $display("R-type PCWriteCond3");
  211.   #2;   //s7
  212.   if(MemRead !== 0)  $display("R-type MemRead4");
  213.   if(ALUSrcA !== 1) $display("R-type ALUSrcA4");
  214.   if(lorD !== 0)  $display("R-type lorD4");
  215.   if(IRWrite !== 0)  $display("R-type IRWrite4");
  216.   if(ALUSrcB !== 2'b00) $display("R-type ALUSrcB4");
  217.   if(ALUOp !== 2'b10)  $display("R-type ALUOp4- expected: 2'b10 actual: %b", ALUOp);
  218.   if(PCWrite !== 0)  $display("R-type PCWrite4");
  219.   if(PCSource !== 2'b00)  $display("R-type PCSource4");
  220.   if(RegDst !== 1) $display("R-type RegDst4");
  221.   if(RegWrite !== 1) $display("R-type RegWrite4");
  222.   if(MemtoReg !== 0) $display("R-type MemtoReg4");
  223.   if(PCWriteCond !== 0) $display("R-type PCWriteCond4");
  224.   #2;   //s0
  225.   if(MemRead !== 1)  $display("R-type MemRead5");
  226.   if(ALUSrcA !== 0) $display("R-type ALUSrcA5");
  227.   if(lorD !== 0)  $display("R-type lorD5");
  228.   if(IRWrite !== 1)  $display("R-type IRWrite5");
  229.   if(ALUSrcB !== 2'b01) $display("R-type ALUSrcB5");
  230.   if(ALUOp !== 2'b00)  $display("R-type ALUOp5");
  231.   if(PCWrite !== 1)  $display("R-type PCWrite5");
  232.   if(PCSource !== 2'b00)  $display("R-type PCSource5");
  233.   if(RegDst !== 1) $display("R-type RegDst5");
  234.   if(RegWrite !== 0) $display("R-type RegWrite5");
  235.   if(MemtoReg !== 0) $display("R-type MemtoReg5");
  236.   if(PCWriteCond !== 0) $display("R-type PCWriteCond5");
  237.   #2;    //s1
  238.   if(MemRead !== 0)  $display("R-type MemRead6");
  239.   if(ALUSrcA !== 0) $display("R-type ALUSrcA6");
  240.   if(lorD !== 0)  $display("R-type lorD6");
  241.   if(IRWrite !== 0)  $display("R-type IRWrite6");
  242.   if(ALUSrcB !== 2'b11) $display("R-type ALUSrcB6");
  243.   if(ALUOp !== 2'b00)  $display("R-type ALUOp6");
  244.   if(PCWrite !== 0)  $display("R-type PCWrite6");
  245.   if(PCSource !== 2'b00)  $display("R-type PCSource6");
  246.   if(RegDst !== 1) $display("R-type RegDst6");
  247.   if(RegWrite !== 0) $display("R-type RegWrite6");
  248.   if(MemtoReg !== 0) $display("R-type MemtoReg6");
  249.   if(PCWriteCond !== 0) $display("R-type PCWriteCond6");
  250.   #2;     //s6
  251.   if(MemRead !== 0)  $display("R-type MemRead7");
  252.   if(ALUSrcA !== 1) $display("R-type ALUSrcA7");
  253.   if(lorD !== 0)  $display("R-type lorD7");
  254.   if(IRWrite !== 0)  $display("R-type IRWrite7");
  255.   if(ALUSrcB !== 2'b00) $display("R-type ALUSrcB7");
  256.   if(ALUOp !== 2'b10)  $display("R-type ALUOp7");
  257.   if(PCWrite !== 0)  $display("R-type PCWrite7");
  258.   if(PCSource !== 2'b00)  $display("R-type PCSource7");
  259.   if(RegDst !== 1) $display("R-type RegDst7");
  260.   if(RegWrite !== 0) $display("R-type RegWrite7");
  261.   if(MemtoReg !== 0) $display("R-type MemtoReg7");
  262.   if(PCWriteCond !== 0) $display("R-type PCWriteCond7");
  263.   #2;   //s7
  264.   if(MemRead !== 0)  $display("R-type MemRead8");
  265.   if(ALUSrcA !== 1) $display("R-type ALUSrcA8");
  266.   if(lorD !== 0)  $display("R-type lorD8");
  267.   if(IRWrite !== 0)  $display("R-type IRWrite8");
  268.   if(ALUSrcB !== 2'b00) $display("R-type ALUSrcB8");
  269.   if(ALUOp !== 2'b10)  $display("R-type ALUOp8");
  270.   if(PCWrite !== 0)  $display("R-type PCWrite8");
  271.   if(PCSource !== 2'b00)  $display("R-type PCSource8");
  272.   if(RegDst !== 1) $display("R-type RegDst8");
  273.   if(RegWrite !== 1) $display("R-type RegWrite8");
  274.   if(MemtoReg !== 0) $display("R-type MemtoReg8");
  275.   if(PCWriteCond !== 0) $display("R-type PCWriteCond8");
  276.   #2;   //s0
  277.   if(MemRead !== 1)  $display("R-type MemRead9");
  278.   if(ALUSrcA !== 0) $display("R-type ALUSrcA9");
  279.   if(lorD !== 0)  $display("R-type lorD9");
  280.   if(IRWrite !== 1)  $display("R-type IRWrite9");
  281.   if(ALUSrcB !== 2'b01) $display("R-type ALUSrcB9");
  282.   if(ALUOp !== 2'b00)  $display("R-type ALUOp9");
  283.   if(PCWrite !== 1)  $display("R-type PCWrite9");
  284.   if(PCSource !== 2'b00)  $display("R-type PCSource9");
  285.   if(RegDst !== 1) $display("R-type RegDst9");
  286.   if(RegWrite !== 0) $display("R-type RegWrite9");
  287.   if(MemtoReg !== 0) $display("R-type MemtoReg9");
  288.   if(PCWriteCond !== 0) $display("R-type PCWriteCond9");
  289.   #2;    //s1
  290.   if(MemRead !== 0)  $display("R-type MemRead2'b10");
  291.   if(ALUSrcA !== 0) $display("R-type ALUSrcA2'b10");
  292.   if(lorD !== 0)  $display("R-type lorD2'b10");
  293.   if(IRWrite !== 0)  $display("R-type IRWrite2'b10");
  294.   if(ALUSrcB !== 2'b11) $display("R-type ALUSrcB2'b10");
  295.   if(ALUOp !== 2'b00)  $display("R-type ALUOp2'b10");
  296.   if(PCWrite !== 0)  $display("R-type PCWrite2'b10");
  297.   if(PCSource !== 2'b00)  $display("R-type PCSource2'b10");
  298.   if(RegDst !== 1) $display("R-type RegDst2'b10");
  299.   if(RegWrite !== 0) $display("R-type RegWrite2'b10");
  300.   if(MemtoReg !== 0) $display("R-type MemtoReg2'b10");
  301.   if(PCWriteCond !== 0) $display("R-type PCWriteCond2'b10");
  302.   #2;     //s6
  303.   if(MemRead !== 0)  $display("R-type MemRead2'b11");
  304.   if(ALUSrcA !== 1) $display("R-type ALUSrcA2'b11");
  305.   if(lorD !== 0)  $display("R-type lorD2'b11");
  306.   if(IRWrite !== 0)  $display("R-type IRWrite2'b11");
  307.   if(ALUSrcB !== 2'b00) $display("R-type ALUSrcB2'b11");
  308.   if(ALUOp !== 2'b10)  $display("R-type ALUOp2'b11");
  309.   if(PCWrite !== 0)  $display("R-type PCWrite2'b11");
  310.   if(PCSource !== 2'b00)  $display("R-type PCSource2'b11");
  311.   if(RegDst !== 1) $display("R-type RegDst2'b11");
  312.   if(RegWrite !== 0) $display("R-type RegWrite2'b11");
  313.   if(MemtoReg !== 0) $display("R-type MemtoReg2'b11");
  314.   if(PCWriteCond !== 0) $display("R-type PCWriteCond2'b11");
  315.   #2;    //s7
  316.   if(MemRead !== 0)  $display("R-type MemRead12");
  317.   if(ALUSrcA !== 1) $display("R-type ALUSrcA12");
  318.   if(lorD !== 0)  $display("R-type lorD12");
  319.   if(IRWrite !== 0)  $display("R-type IRWrite12");
  320.   if(ALUSrcB !== 2'b00) $display("R-type ALUSrcB12");
  321.   if(ALUOp !== 2'b10)  $display("R-type ALUOp12");
  322.   if(PCWrite !== 0)  $display("R-type PCWrite12");
  323.   if(PCSource !== 2'b00)  $display("R-type PCSource12");
  324.   if(RegDst !== 1) $display("R-type RegDst12");
  325.   if(RegWrite !== 1) $display("R-type RegWrite12");
  326.   if(MemtoReg !== 0) $display("R-type MemtoReg12");
  327.   if(PCWriteCond !== 0) $display("R-type PCWriteCond12");
  328.   $display("Done R-type test...");
  329.   #1;
  330.  
  331.   Op = 6'h23;   // lw
  332.   $display("Starting LW test...");
  333.   #1;   //s0
  334.   if(MemRead !== 1)  $display("lw MemRead1");
  335.   if(ALUSrcA !== 0) $display("lw ALUSrcA1");
  336.   if(lorD !== 0)  $display("lw lorD1");
  337.   if(IRWrite !== 1)  $display("lw IRWrite1");
  338.   if(ALUSrcB !== 2'b01) $display("lw ALUSrcB1");
  339.   if(ALUOp !== 2'b00)  $display("lw ALUOp1");
  340.   if(PCWrite !== 1)  $display("lw PCWrite1");
  341.   if(PCSource !== 2'b00)  $display("lw PCSource1");
  342.   if(RegDst !== 1) $display("lw RegDst1");
  343.   if(RegWrite !== 0) $display("lw RegWrite1");
  344.   if(MemtoReg !== 0) $display("lw MemtoReg1");
  345.   if(PCWriteCond !== 0) $display("lw PCWriteCond1");
  346.   #2;   //s1
  347.   if(MemRead !== 0)  $display("lw MemRead2");
  348.   if(ALUSrcA !== 0) $display("lw ALUSrcA2");
  349.   if(lorD !== 0)  $display("lw lorD2");
  350.   if(IRWrite !== 0)  $display("lw IRWrite2");
  351.   if(ALUSrcB !== 2'b11) $display("lw ALUSrcB2");
  352.   if(ALUOp !== 2'b00)  $display("lw ALUOp2");
  353.   if(PCWrite !== 0)  $display("lw PCWrite2");
  354.   if(PCSource !== 2'b00)  $display("lw PCSource2");
  355.   if(RegDst !== 1) $display("lw RegDst2");
  356.   if(RegWrite !== 0) $display("lw RegWrite2");
  357.   if(MemtoReg !== 0) $display("lw MemtoReg2");
  358.   if(PCWriteCond !== 0) $display("lw PCWriteCond2");
  359.   #2;   //s2
  360.   if(MemRead !== 0)  $display("lw MemRead3");
  361.   if(ALUSrcA !== 1) $display("lw ALUSrcA3");
  362.   if(lorD !== 0)  $display("lw lorD3");
  363.   if(IRWrite !== 0)  $display("lw IRWrite3");
  364.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB3");
  365.   if(ALUOp !== 2'b00)  $display("lw ALUOp3");
  366.   if(PCWrite !== 0)  $display("lw PCWrite3");
  367.   if(PCSource !== 2'b00)  $display("lw PCSource3");
  368.   if(RegDst !== 1) $display("lw RegDst3");
  369.   if(RegWrite !== 0) $display("lw RegWrite3");
  370.   if(MemtoReg !== 0) $display("lw MemtoReg3");
  371.   if(PCWriteCond !== 0) $display("lw PCWriteCond3");
  372.   #2;   //s3
  373.   if(MemRead !== 1)  $display("lw MemRead4");
  374.   if(ALUSrcA !== 1) $display("lw ALUSrcA4");
  375.   if(lorD !== 1)  $display("lw lorD4");
  376.   if(IRWrite !== 0)  $display("lw IRWrite4");
  377.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB4");
  378.   if(ALUOp !== 2'b00)  $display("lw ALUOp4");
  379.   if(PCWrite !== 0)  $display("lw PCWrite4");
  380.   if(PCSource !== 2'b00)  $display("lw PCSource4");
  381.   if(RegDst !== 1) $display("lw RegDst4");
  382.   if(RegWrite !== 0) $display("lw RegWrite4");
  383.   if(MemtoReg !== 0) $display("lw MemtoReg4");
  384.   if(PCWriteCond !== 0) $display("lw PCWriteCond4");
  385.   #2;   //s4
  386.   if(MemRead !== 0)  $display("lw MemRead5");      // TODO: remove test
  387.   if(ALUSrcA !== 1) $display("lw ALUSrcA5");
  388.   if(lorD !== 1)  $display("lw lorD5");
  389.   if(IRWrite !== 0)  $display("lw IRWrite5");
  390.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB5");
  391.   if(ALUOp !== 2'b00)  $display("lw ALUOp5");
  392.   if(PCWrite !== 0)  $display("lw PCWrite5");
  393.   if(PCSource !== 2'b00)  $display("lw PCSource5");
  394.   if(RegDst !== 0) $display("lw RegDst5");
  395.   if(RegWrite !== 1) $display("lw RegWrite5");
  396.   if(MemtoReg !== 1) $display("lw MemtoReg5"); // TODO: turn on memread
  397.   if(PCWriteCond !== 0) $display("lw PCWriteCond5");
  398.  
  399.   #2;   //s0
  400.   if(MemRead !== 1)  $display("lw MemRead6");
  401.   if(ALUSrcA !== 0) $display("lw ALUSrcA6");
  402.   if(lorD !== 0)  $display("lw lorD6");
  403.   if(IRWrite !== 1)  $display("lw IRWrite6");
  404.   if(ALUSrcB !== 2'b01) $display("lw ALUSrcB6");
  405.   if(ALUOp !== 2'b00)  $display("lw ALUOp6");
  406.   if(PCWrite !== 1)  $display("lw PCWrite6");
  407.   if(PCSource !== 2'b00)  $display("lw PCSource6");
  408.   if(RegDst !== 0) $display("lw RegDst6");
  409.   if(RegWrite !== 0) $display("lw RegWrite6");
  410.   if(MemtoReg !== 1) $display("lw MemtoReg6");
  411.   if(PCWriteCond !== 0) $display("lw PCWriteCond6");
  412.   #2;   //s1
  413.   if(MemRead !== 0)  $display("lw MemRead7");
  414.   if(ALUSrcA !== 0) $display("lw ALUSrcA7");
  415.   if(lorD !== 0)  $display("lw lorD7");
  416.   if(IRWrite !== 0)  $display("lw IRWrite7");
  417.   if(ALUSrcB !== 2'b11) $display("lw ALUSrcB7");
  418.   if(ALUOp !== 2'b00)  $display("lw ALUOp7");
  419.   if(PCWrite !== 0)  $display("lw PCWrite7");
  420.   if(PCSource !== 2'b00)  $display("lw PCSource7");
  421.   if(RegDst !== 0) $display("lw RegDst7");
  422.   if(RegWrite !== 0) $display("lw RegWrite7");
  423.   if(MemtoReg !== 1) $display("lw MemtoReg7");
  424.   if(PCWriteCond !== 0) $display("lw PCWriteCond7");
  425.   #2;   //s2
  426.   if(MemRead !== 0)  $display("lw MemRead8");
  427.   if(ALUSrcA !== 1) $display("lw ALUSrcA8");
  428.   if(lorD !== 0)  $display("lw lorD8");
  429.   if(IRWrite !== 0)  $display("lw IRWrite8");
  430.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB8");
  431.   if(ALUOp !== 2'b00)  $display("lw ALUOp8");
  432.   if(PCWrite !== 0)  $display("lw PCWrite8");
  433.   if(PCSource !== 2'b00)  $display("lw PCSource8");
  434.   if(RegDst !== 0) $display("lw RegDst8");
  435.   if(RegWrite !== 0) $display("lw RegWrite8");
  436.   if(MemtoReg !== 1) $display("lw MemtoReg8");
  437.   if(PCWriteCond !== 0) $display("lw PCWriteCond8");
  438.   #2;   //s3
  439.   if(MemRead !== 1)  $display("lw MemRead9");
  440.   if(ALUSrcA !== 1) $display("lw ALUSrcA9");
  441.   if(lorD !== 1)  $display("lw lorD9");
  442.   if(IRWrite !== 0)  $display("lw IRWrite9");
  443.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB9");
  444.   if(ALUOp !== 2'b00)  $display("lw ALUOp9");
  445.   if(PCWrite !== 0)  $display("lw PCWrite9");
  446.   if(PCSource !== 2'b00)  $display("lw PCSource9");
  447.   if(RegDst !== 0) $display("lw RegDst9");
  448.   if(RegWrite !== 0) $display("lw RegWrite9");
  449.   if(MemtoReg !== 1) $display("lw MemtoReg9");
  450.   if(PCWriteCond !== 0) $display("lw PCWriteCond9");
  451.   #2;   //s4
  452.   if(MemRead !== 0)  $display("lw MemRead10");    // TODO: remove test
  453.   if(ALUSrcA !== 1) $display("lw ALUSrcA10");
  454.   if(lorD !== 1)  $display("lw lorD10");
  455.   if(IRWrite !== 0)  $display("lw IRWrite10");
  456.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB10");
  457.   if(ALUOp !== 2'b00)  $display("lw ALUOp10");
  458.   if(PCWrite !== 0)  $display("lw PCWrite10");
  459.   if(PCSource !== 2'b00)  $display("lw PCSource10");
  460.   if(RegDst !== 0) $display("lw RegDst10");
  461.   if(RegWrite !== 1) $display("lw RegWrite10");
  462.   if(MemtoReg !== 1) $display("lw MemtoReg10"); // TODO: turn on memread
  463.   if(PCWriteCond !== 0) $display("lw PCWriteCond10");
  464.   #2;   //s0
  465.   if(MemRead !== 1)  $display("lw MemRead11");
  466.   if(ALUSrcA !== 0) $display("lw ALUSrcA11");
  467.   if(lorD !== 0)  $display("lw lorD11");
  468.   if(IRWrite !== 1)  $display("lw IRWrite11");
  469.   if(ALUSrcB !== 2'b01) $display("lw ALUSrcB11");
  470.   if(ALUOp !== 2'b00)  $display("lw ALUOp11");
  471.   if(PCWrite !== 1)  $display("lw PCWrite11");
  472.   if(PCSource !== 2'b00)  $display("lw PCSource11");
  473.   if(RegDst !== 0) $display("lw RegDst11");
  474.   if(RegWrite !== 0) $display("lw RegWrite11");
  475.   if(MemtoReg !== 1) $display("lw MemtoReg11");
  476.   if(PCWriteCond !== 0) $display("lw PCWriteCond11");
  477.   #2;   //s1
  478.   if(MemRead !== 0)  $display("lw MemRead12");
  479.   if(ALUSrcA !== 0) $display("lw ALUSrcA12");
  480.   if(lorD !== 0)  $display("lw lorD12");
  481.   if(IRWrite !== 0)  $display("lw IRWrite12");
  482.   if(ALUSrcB !== 2'b11) $display("lw ALUSrcB12");
  483.   if(ALUOp !== 2'b00)  $display("lw ALUOp12");
  484.   if(PCWrite !== 0)  $display("lw PCWrite12");
  485.   if(PCSource !== 2'b00)  $display("lw PCSource12");
  486.   if(RegDst !== 0) $display("lw RegDst12");
  487.   if(RegWrite !== 0) $display("lw RegWrite12");
  488.   if(MemtoReg !== 1) $display("lw MemtoReg12");
  489.   if(PCWriteCond !== 0) $display("lw PCWriteCond12");
  490.   #2;   //s2
  491.   if(MemRead !== 0)  $display("lw MemRead13");
  492.   if(ALUSrcA !== 1) $display("lw ALUSrcA13");
  493.   if(lorD !== 0)  $display("lw lorD13");
  494.   if(IRWrite !== 0)  $display("lw IRWrite13");
  495.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB13");
  496.   if(ALUOp !== 2'b00)  $display("lw ALUOp13");
  497.   if(PCWrite !== 0)  $display("lw PCWrite13");
  498.   if(PCSource !== 2'b00)  $display("lw PCSource13");
  499.   if(RegDst !== 0) $display("lw RegDst13");
  500.   if(RegWrite !== 0) $display("lw RegWrite13");
  501.   if(MemtoReg !== 1) $display("lw MemtoReg13");
  502.   if(PCWriteCond !== 0) $display("lw PCWriteCond13");
  503.   #2;   //s3
  504.   if(MemRead !== 1)  $display("lw MemRead14");
  505.   if(ALUSrcA !== 1) $display("lw ALUSrcA14");
  506.   if(lorD !== 1)  $display("lw lorD14");
  507.   if(IRWrite !== 0)  $display("lw IRWrite14");
  508.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB14");
  509.   if(ALUOp !== 2'b00)  $display("lw ALUOp14");
  510.   if(PCWrite !== 0)  $display("lw PCWrite14");
  511.   if(PCSource !== 2'b00)  $display("lw PCSource14");
  512.   if(RegDst !== 0) $display("lw RegDst14");
  513.   if(RegWrite !== 0) $display("lw RegWrite14");
  514.   if(MemtoReg !== 1) $display("lw MemtoReg14");
  515.   if(PCWriteCond !== 0) $display("lw PCWriteCond14");
  516.   #2;   //s4
  517.   if(MemRead !== 0)  $display("lw MemRead15");
  518.   if(ALUSrcA !== 1) $display("lw ALUSrcA15");
  519.   if(lorD !== 1)  $display("lw lorD15");
  520.   if(IRWrite !== 0)  $display("lw IRWrite15");
  521.   if(ALUSrcB !== 2'b10) $display("lw ALUSrcB15");
  522.   if(ALUOp !== 2'b00)  $display("lw ALUOp15");
  523.   if(PCWrite !== 0)  $display("lw PCWrite15");
  524.   if(PCSource !== 2'b00)  $display("lw PCSource15");
  525.   if(RegDst !== 0) $display("lw RegDst15");
  526.   if(RegWrite !== 1) $display("lw RegWrite15");
  527.   if(MemtoReg !== 1) $display("lw MemtoReg15"); // TODO: turn on memread
  528.   if(PCWriteCond !== 0) $display("lw PCWriteCond15");
  529.   $display("Done LW test...");
  530.   #1;
  531.  
  532.   //TODO: up to here should be updated with flags
  533.  
  534.   Op = 6'h2b;   // sw
  535.   $display("Starting SW test...");
  536.   #1;   //s0
  537.   if(MemRead !== 1)  $display("sw MemRead1");
  538.   if(ALUSrcA !== 0) $display("sw ALUSrcA1");
  539.   if(lorD !== 0)  $display("sw lorD1");
  540.   if(IRWrite !== 1)  $display("sw IRWrite1");
  541.   if(ALUSrcB !== 2'b01) $display("sw ALUSrcB1");
  542.   if(ALUOp !== 2'b00)  $display("sw ALUOp1");
  543.   if(PCWrite !== 1)  $display("sw PCWrite1");
  544.   if(PCSource !== 2'b00)  $display("sw PCSource1");
  545.   if(RegDst !== 0) $display("sw RegDst1");
  546.   if(RegWrite !== 0) $display("sw RegWrite1");
  547.   if(MemtoReg !== 1) $display("sw MemtoReg1");
  548.   #2;   //s1
  549.   if(MemRead !== 0)  $display("sw MemRead2");
  550.   if(ALUSrcA !== 0) $display("sw ALUSrcA2");
  551.   if(lorD !== 0)  $display("sw lorD2");
  552.   if(IRWrite !== 0)  $display("sw IRWrite2");
  553.   if(ALUSrcB !== 2'b11) $display("sw ALUSrcB2");
  554.   if(ALUOp !== 2'b00)  $display("sw ALUOp2");
  555.   if(PCWrite !== 0)  $display("sw PCWrite2");
  556.   if(PCSource !== 2'b00)  $display("sw PCSource2");
  557.   if(RegDst !== 0) $display("sw RegDst2");
  558.   if(RegWrite !== 0) $display("sw RegWrite2");
  559.   if(MemtoReg !== 1) $display("sw MemtoReg2");
  560.   #2;   //s2
  561.   if(MemRead !== 0)  $display("sw MemRead3");
  562.   if(ALUSrcA !== 1) $display("sw ALUSrcA3");
  563.   if(lorD !== 0)  $display("sw lorD3");
  564.   if(IRWrite !== 0)  $display("sw IRWrite3");
  565.   if(ALUSrcB !== 2'b10) $display("sw ALUSrcB3");
  566.   if(ALUOp !== 2'b00)  $display("sw ALUOp3");
  567.   if(PCWrite !== 0)  $display("sw PCWrite3");
  568.   if(PCSource !== 2'b00)  $display("sw PCSource3");
  569.   if(RegDst !== 0) $display("sw RegDst3");
  570.   if(RegWrite !== 0) $display("sw RegWrite3");
  571.   if(MemtoReg !== 1) $display("sw MemtoReg3");
  572.   #2;   //s5
  573.   if(MemRead !== 0)  $display("sw MemRead4");
  574.   if(ALUSrcA !== 1) $display("sw ALUSrcA4");
  575.   if(lorD !== 1)  $display("sw lorD4");
  576.   if(IRWrite !== 0)  $display("sw IRWrite4");
  577.   if(ALUSrcB !== 2'b10) $display("sw ALUSrcB4");
  578.   if(ALUOp !== 2'b00)  $display("sw ALUOp4");
  579.   if(PCWrite !== 0)  $display("sw PCWrite4");
  580.   if(PCSource !== 2'b00)  $display("sw PCSource4");
  581.   if(RegDst !== 0) $display("sw RegDst4");
  582.   if(RegWrite !== 0) $display("sw RegWrite4");
  583.   if(MemtoReg !== 1) $display("sw MemtoReg4");
  584.   if(MemWrite !== 1) $display("sw MemWrite4");
  585.   #2;   //s0
  586.   if(MemRead !== 1)  $display("sw MemRead5");
  587.   if(ALUSrcA !== 0) $display("sw ALUSrcA5");
  588.   if(lorD !== 0)  $display("sw lorD5");
  589.   if(IRWrite !== 1)  $display("sw IRWrite5");
  590.   if(ALUSrcB !== 2'b01) $display("sw ALUSrcB5");
  591.   if(ALUOp !== 2'b00)  $display("sw ALUOp5");
  592.   if(PCWrite !== 1)  $display("sw PCWrite5");
  593.   if(PCSource !== 2'b00)  $display("sw PCSource5");
  594.   if(RegDst !== 0) $display("sw RegDst5");
  595.   if(RegWrite !== 0) $display("sw RegWrite5");
  596.   if(MemtoReg !== 1) $display("sw MemtoReg5");
  597.   if(MemWrite !== 0) $display("sw MemWrite5");
  598.   #2;   //s1
  599.   if(MemRead !== 0)  $display("sw MemRead6");
  600.   if(ALUSrcA !== 0) $display("sw ALUSrcA6");
  601.   if(lorD !== 0)  $display("sw lorD6");
  602.   if(IRWrite !== 0)  $display("sw IRWrite6");
  603.   if(ALUSrcB !== 2'b11) $display("sw ALUSrcB6");
  604.   if(ALUOp !== 2'b00)  $display("sw ALUOp6");
  605.   if(PCWrite !== 0)  $display("sw PCWrite6");
  606.   if(PCSource !== 2'b00)  $display("sw PCSource6");
  607.   if(RegDst !== 0) $display("sw RegDst6");
  608.   if(RegWrite !== 0) $display("sw RegWrite6");
  609.   if(MemtoReg !== 1) $display("sw MemtoReg6");
  610.   if(MemWrite !== 0) $display("sw MemWrite6");
  611.   #2;   //s2
  612.   if(MemRead !== 0)  $display("sw MemRead7");
  613.   if(ALUSrcA !== 1) $display("sw ALUSrcA7");
  614.   if(lorD !== 0)  $display("sw lorD7");
  615.   if(IRWrite !== 0)  $display("sw IRWrite7");
  616.   if(ALUSrcB !== 2'b10) $display("sw ALUSrcB7");
  617.   if(ALUOp !== 2'b00)  $display("sw ALUOp7");
  618.   if(PCWrite !== 0)  $display("sw PCWrite7");
  619.   if(PCSource !== 2'b00)  $display("sw PCSource7");
  620.   if(RegDst !== 0) $display("sw RegDst7");
  621.   if(RegWrite !== 0) $display("sw RegWrite7");
  622.   if(MemtoReg !== 1) $display("sw MemtoReg7");
  623.   if(MemWrite !== 0) $display("sw MemWrite7");
  624.   #2;   //s5
  625.   if(MemRead !== 0)  $display("sw MemRead8");
  626.   if(ALUSrcA !== 1) $display("sw ALUSrcA8");
  627.   if(lorD !== 1)  $display("sw lorD8");
  628.   if(IRWrite !== 0)  $display("sw IRWrite8");
  629.   if(ALUSrcB !== 2'b10) $display("sw ALUSrcB8");
  630.   if(ALUOp !== 2'b00)  $display("sw ALUOp8");
  631.   if(PCWrite !== 0)  $display("sw PCWrite8");
  632.   if(PCSource !== 2'b00)  $display("sw PCSource8");
  633.   if(RegDst !== 0) $display("sw RegDst8");
  634.   if(RegWrite !== 0) $display("sw RegWrite8");
  635.   if(MemtoReg !== 1) $display("sw MemtoReg8");
  636.   if(MemWrite !== 1) $display("sw MemWrite5");
  637.   #2;   //s0
  638.   if(MemRead !== 1)  $display("sw MemRead9- expected: 1 actual: %b", MemRead);
  639.   if(ALUSrcA !== 0) $display("sw ALUSrcA9- expected: 0 actual: %b", ALUSrcA);
  640.   if(lorD !== 0)  $display("sw lorD9- expected: 0 actual: %b", lorD);
  641.   if(IRWrite !== 1)  $display("sw IRWrite9- expected: 1 actual: %b", IRWrite);
  642.   if(ALUSrcB !== 2'b01) $display("sw ALUSrcB9- expected: 2'b01 actual: %b", ALUSrcB);
  643.   if(ALUOp !== 2'b00)  $display("sw ALUOp9- expected: 2'b00 actual: %b", ALUOp);
  644.   if(PCWrite !== 1)  $display("sw PCWrite9- expected: 1 actual: %b", PCWrite);
  645.   if(PCSource !== 2'b00)  $display("sw PCSource9- expected: 2'b00 actual: %b", PCSource);
  646.   if(RegDst !== 0) $display("sw RegDst9- expected: 0 actual: %b", RegDst);
  647.   if(RegWrite !== 0) $display("sw RegWrite9- expected: 0 actual: %b", RegWrite);
  648.   if(MemtoReg !== 1) $display("sw MemtoReg9- expected: 1 actual: %b", MemtoReg);
  649.   if(MemWrite !== 0) $display("sw MemWrite9- expected: 0 actual: %b", MemWrite);
  650.   #2;   //s1
  651.   if(MemRead !== 0)  $display("sw MemRead10- expected: 0 actual: %b", MemRead);
  652.   if(ALUSrcA !== 0) $display("sw ALUSrcA10- expected: 0 actual: %b", ALUSrcA);
  653.   if(lorD !== 0)  $display("sw lorD10- expected: 0 actual: %b", lorD);
  654.   if(IRWrite !== 0)  $display("sw IRWrite10- expected: 0 actual: %b", IRWrite);
  655.   if(ALUSrcB !== 2'b11) $display("sw ALUSrcB10- expected: 2'b11 actual: %b", ALUSrcB);
  656.   if(ALUOp !== 2'b00)  $display("sw ALUOp10- expected: 2'b00 actual: %b", ALUOp);
  657.   if(PCWrite !== 0)  $display("sw PCWrite10- expected: 0 actual: %b", PCWrite);
  658.   if(PCSource !== 2'b00)  $display("sw PCSource10- expected: 2'b00 actual: %b", PCSource);
  659.   if(RegDst !== 0) $display("sw RegDst10- expected: 0 actual: %b", RegDst);
  660.   if(RegWrite !== 0) $display("sw RegWrite10- expected:0 actual: %b", RegWrite);
  661.   if(MemtoReg !== 1) $display("sw MemtoReg10- expected: 1 actual: %b", MemtoReg);
  662.   if(MemWrite !== 0) $display("sw MemWrite10- expected: 0 actual: %b", MemWrite);
  663.   #2;   //s2
  664.   if(MemRead !== 0)  $display("sw MemRead11- expected: 0 actual: %b", MemRead);
  665.   if(ALUSrcA !== 1) $display("sw ALUSrcA11- expected: 1 actual: %b", ALUSrcA);
  666.   if(lorD !== 0)  $display("sw lorD11- expected: 0 actual: %b", lorD);
  667.   if(IRWrite !== 0)  $display("sw IRWrite11- expected: 0 actual: %b", IRWrite);
  668.   if(ALUSrcB !== 2'b10) $display("sw ALUSrcB11- expected:: 2'b10 actual: %b", ALUSrcB);
  669.   if(ALUOp !== 2'b00)  $display("sw ALUOp11- expected: 2'b00 actual: %b", ALUOp);
  670.   if(PCWrite !== 0)  $display("sw PCWrite11- expected: 0 actual: %b", PCWrite);
  671.   if(PCSource !== 2'b00)  $display("sw PCSource11- expected: 2'b00 actual: %b", PCSource);
  672.   if(RegDst !== 0) $display("sw RegDst2'b11- expected: 0 actual: %b", RegDst);
  673.   if(RegWrite !== 0) $display("sw RegWrite11- expected: 0 actual: %b",RegWrite);
  674.   if(MemtoReg !== 1) $display("sw MemtoReg11- expected: 0 actual %b", MemtoReg);
  675.   if(MemWrite !== 0) $display("sw MemWrite11- expected: 0 actual: %b", MemWrite);
  676.   #2;   //s5
  677.   if(MemRead !== 0)  $display("sw MemRead12- expected: 0 actual: %b", MemRead);
  678.   if(ALUSrcA !== 1) $display("sw ALUSrcA12- expected: 1 actual: %b", ALUSrcA);
  679.   if(lorD !== 1)  $display("sw lorD12- expected: 1 actual: %b", lorD);
  680.   if(IRWrite !== 0)  $display("sw IRWrite12- expected: 0 actual: %b", IRWrite);
  681.   if(ALUSrcB !== 2'b10) $display("sw ALUSrcB12- expected 2'b10 actual: %b",ALUSrcB);
  682.   if(ALUOp !== 2'b00)  $display("sw ALUOp12- expected: 2'b00 actual: %b",ALUOp);
  683.   if(PCWrite !== 0)  $display("sw PCWrite12- expected: 0 actual: %b", PCWrite);
  684.   if(PCSource !== 2'b00)  $display("sw PCSource12- expected: 2'b00 actual: %b", PCSource);
  685.   if(RegDst !== 0) $display("sw RegDst12- expected: 0 actual: %b", RegDst);
  686.   if(RegWrite !== 0) $display("sw RegWrite12- expected: 0 actual: %b", RegWrite);
  687.   if(MemtoReg !== 1) $display("sw MemtoReg12- expected: 1 actual: %b", MemtoReg);
  688.   if(MemWrite !== 1) $display("sw MemWrite12- expected: 1 actual: $b", MemWrite);
  689.   $display("Done SW test...");
  690.   #1;
  691.  
  692.   Op = 6'h02;   // j
  693.   $display("Starting J test...");
  694.   #1;   //s0
  695.   if(MemRead !== 1)  $display("j MemRead1- expected: 1 actual: %b", MemRead);
  696.   if(ALUSrcA !== 0) $display("j ALUSrcA1- expected: 0 actual: %b", ALUSrcA);
  697.   if(lorD !== 0)  $display("j lorD1- expected: 0 actual: %b", lorD);
  698.   if(IRWrite !== 1)  $display("j IRWrite1- expected: 1 actual: %b", IRWrite);
  699.   if(ALUSrcB !== 2'b01) $display("j ALUSrcB1- expected: 2'b01 actual: %b", ALUSrcB);
  700.   if(ALUOp !== 2'b00)  $display("j ALUOp1- expected: 2'b00 actual: %b", ALUOp);
  701.   if(PCWrite !== 1)  $display("j PCWrite1- expected: 1 actual: %b", PCWrite);
  702.   if(PCSource !== 2'b00)  $display("j PCSource1- expected: 2'b00 actual: %b", PCSource);
  703.   if(RegDst !== 0) $display("j RegDst1- expected: 0 actual: %b", RegDst);
  704.   if(RegWrite !== 0) $display("j RegWrite1- expected: 0 actual: %b", RegWrite);
  705.   if(MemtoReg !== 1) $display("j MemtoReg1- expected: 1 actual: %b", MemtoReg);
  706.   if(MemWrite !== 0) $display("j MemWrite1- expected: 0 actual: %b", MemWrite);
  707.   #2;   //s1
  708.   if(MemRead !== 0)  $display("j MemRead2- expected: 0 actual: %b", MemRead);
  709.   if(ALUSrcA !== 0) $display("j ALUSrcA2- expected: 0 actual: %b", ALUSrcA);
  710.   if(lorD !== 0)  $display("j lorD2- expected: 0 actual: %b", lorD);
  711.   if(IRWrite !== 0)  $display("j IRWrite2- expected: 0 actual: %b", IRWrite);
  712.   if(ALUSrcB !== 2'b11) $display("j ALUSrcB2- expected: 2'b11 actual: %b", ALUSrcB);
  713.   if(ALUOp !== 2'b00)  $display("j ALUOp2- expected: 2'b00 actual: %b", ALUOp);
  714.   if(PCWrite !== 0)  $display("j PCWrite2- expected: 0 actual: %b", PCWrite);
  715.   if(PCSource !== 2'b00)  $display("j PCSource2- expected: 2'b00 actual: %b", PCSource);
  716.   if(RegDst !== 0) $display("j RegDst2- expected: 0 actual: %b", RegDst);
  717.   if(RegWrite !== 0) $display("j RegWrite2- expected:0 actual: %b", RegWrite);
  718.   if(MemtoReg !== 1) $display("j MemtoReg2- expected: 1 actual: %b", MemtoReg);
  719.   if(MemWrite !== 0) $display("j MemWrite2- expected: 0 actual: %b", MemWrite);
  720.   #2;    //s9
  721.   if(MemRead !== 0)  $display("j MemRead3- expected: 0 actual: %b", MemRead);
  722.   if(ALUSrcA !== 0) $display("j ALUSrcA3- expected: 0 actual: %b", ALUSrcA);
  723.   if(lorD !== 0)  $display("j lorD3- expected: 0 actual: %b", lorD);
  724.   if(IRWrite !== 0)  $display("j IRWrite3- expected: 0 actual: %b", IRWrite);
  725.   if(ALUSrcB !== 2'b11) $display("j ALUSrcB3- expected: 2'b11 actual: %b", ALUSrcB);
  726.   if(ALUOp !== 2'b00)  $display("j ALUOp3- expected: 2'b00 actual: %b", ALUOp);
  727.   if(PCWrite !== 1)  $display("j PCWrite3- expected: 1 actual: %b", PCWrite);
  728.   if(PCSource !== 2'b10)  $display("j PCSource3- expected: 2'b10 actual: %b", PCSource);
  729.   if(RegDst !== 0) $display("j RegDst3- expected: 0 actual: %b", RegDst);
  730.   if(RegWrite !== 0) $display("j RegWrite3- expected:0 actual: %b", RegWrite);
  731.   if(MemtoReg !== 1) $display("j MemtoReg3- expected: 1 actual: %b", MemtoReg);
  732.   if(MemWrite !== 0) $display("j MemWrite3- expected: 0 actual: %b", MemWrite);
  733.   #2;   //s0
  734.   if(MemRead !== 1)  $display("j MemRead4- expected: 1 actual: %b", MemRead);
  735.   if(ALUSrcA !== 0) $display("j ALUSrcA4- expected: 0 actual: %b", ALUSrcA);
  736.   if(lorD !== 0)  $display("j lorD4- expected: 0 actual: %b", lorD);
  737.   if(IRWrite !== 1)  $display("j IRWrite4- expected: 1 actual: %b", IRWrite);
  738.   if(ALUSrcB !== 2'b01) $display("j ALUSrcB4- expected: 2'b01 actual: %b", ALUSrcB);
  739.   if(ALUOp !== 2'b00)  $display("j ALUOp4- expected: 2'b00 actual: %b", ALUOp);
  740.   if(PCWrite !== 1)  $display("j PCWrite4- expected: 1 actual: %b", PCWrite);
  741.   if(PCSource !== 2'b00)  $display("j PCSource4- expected: 2'b00 actual: %b", PCSource);
  742.   if(RegDst !== 0) $display("j RegDst4- expected: 0 actual: %b", RegDst);
  743.   if(RegWrite !== 0) $display("j RegWrite4- expected: 0 actual: %b", RegWrite);
  744.   if(MemtoReg !== 1) $display("j MemtoReg4- expected: 1 actual: %b", MemtoReg);
  745.   if(MemWrite !== 0) $display("j MemWrite4- expected: 0 actual: %b", MemWrite);
  746.   #2;   //s1
  747.   if(MemRead !== 0)  $display("j MemRead5- expected: 0 actual: %b", MemRead);
  748.   if(ALUSrcA !== 0) $display("j ALUSrcA5- expected: 0 actual: %b", ALUSrcA);
  749.   if(lorD !== 0)  $display("j lorD5- expected: 0 actual: %b", lorD);
  750.   if(IRWrite !== 0)  $display("j IRWrite5- expected: 0 actual: %b", IRWrite);
  751.   if(ALUSrcB !== 2'b11) $display("j ALUSrcB5- expected: 2'b11 actual: %b", ALUSrcB);
  752.   if(ALUOp !== 2'b00)  $display("j ALUOp5- expected: 2'b00 actual: %b", ALUOp);
  753.   if(PCWrite !== 0)  $display("j PCWrite5- expected: 0 actual: %b", PCWrite);
  754.   if(PCSource !== 2'b00)  $display("j PCSource5- expected: 2'b00 actual: %b", PCSource);
  755.   if(RegDst !== 0) $display("j RegDst5- expected: 0 actual: %b", RegDst);
  756.   if(RegWrite !== 0) $display("j RegWrite5- expected:0 actual: %b", RegWrite);
  757.   if(MemtoReg !== 1) $display("j MemtoReg5- expected: 1 actual: %b", MemtoReg);
  758.   if(MemWrite !== 0) $display("j MemWrite5- expected: 0 actual: %b", MemWrite);
  759.   #2;    //s9
  760.   if(MemRead !== 0)  $display("j MemRead6- expected: 0 actual: %b", MemRead);
  761.   if(ALUSrcA !== 0) $display("j ALUSrcA6- expected: 0 actual: %b", ALUSrcA);
  762.   if(lorD !== 0)  $display("j lorD6- expected: 0 actual: %b", lorD);
  763.   if(IRWrite !== 0)  $display("j IRWrite6- expected: 0 actual: %b", IRWrite);
  764.   if(ALUSrcB !== 2'b11) $display("j ALUSrcB6- expected: 2'b11 actual: %b", ALUSrcB);
  765.   if(ALUOp !== 2'b00)  $display("j ALUOp6- expected: 2'b00 actual: %b", ALUOp);
  766.   if(PCWrite !== 1)  $display("j PCWrite6- expected: 1 actual: %b", PCWrite);
  767.   if(PCSource !== 2'b10)  $display("j PCSource6- expected: 2'b10 actual: %b", PCSource);
  768.   if(RegDst !== 0) $display("j RegDst6- expected: 0 actual: %b", RegDst);
  769.   if(RegWrite !== 0) $display("j RegWrite6- expected:0 actual: %b", RegWrite);
  770.   if(MemtoReg !== 1) $display("j MemtoReg6- expected: 1 actual: %b", MemtoReg);
  771.   if(MemWrite !== 0) $display("j MemWrite6- expected: 0 actual: %b", MemWrite);
  772.   #2;   //s0
  773.   if(MemRead !== 1)  $display("j MemRead7- expected: 1 actual: %b", MemRead);
  774.   if(ALUSrcA !== 0) $display("j ALUSrcA7- expected: 0 actual: %b", ALUSrcA);
  775.   if(lorD !== 0)  $display("j lorD7- expected: 0 actual: %b", lorD);
  776.   if(IRWrite !== 1)  $display("j IRWrite7- expected: 1 actual: %b", IRWrite);
  777.   if(ALUSrcB !== 2'b01) $display("j ALUSrcB7- expected: 2'b01 actual: %b", ALUSrcB);
  778.   if(ALUOp !== 2'b00)  $display("j ALUOp7- expected: 2'b00 actual: %b", ALUOp);
  779.   if(PCWrite !== 1)  $display("j PCWrite7- expected: 1 actual: %b", PCWrite);
  780.   if(PCSource !== 2'b00)  $display("j PCSource7- expected: 2'b00 actual: %b", PCSource);
  781.   if(RegDst !== 0) $display("j RegDst7- expected: 0 actual: %b", RegDst);
  782.   if(RegWrite !== 0) $display("j RegWrite7- expected: 0 actual: %b", RegWrite);
  783.   if(MemtoReg !== 1) $display("j MemtoReg7- expected: 1 actual: %b", MemtoReg);
  784.   if(MemWrite !== 0) $display("j MemWrite7- expected: 0 actual: %b", MemWrite);
  785.   #2;   //s1
  786.   if(MemRead !== 0)  $display("j MemRead8- expected: 0 actual: %b", MemRead);
  787.   if(ALUSrcA !== 0) $display("j ALUSrcA8- expected: 0 actual: %b", ALUSrcA);
  788.   if(lorD !== 0)  $display("j lorD8- expected: 0 actual: %b", lorD);
  789.   if(IRWrite !== 0)  $display("j IRWrite8- expected: 0 actual: %b", IRWrite);
  790.   if(ALUSrcB !== 2'b11) $display("j ALUSrcB8- expected: 2'b11 actual: %b", ALUSrcB);
  791.   if(ALUOp !== 2'b00)  $display("j ALUOp8- expected: 2'b00 actual: %b", ALUOp);
  792.   if(PCWrite !== 0)  $display("j PCWrite8- expected: 0 actual: %b", PCWrite);
  793.   if(PCSource !== 2'b00)  $display("j PCSource8- expected: 2'b00 actual: %b", PCSource);
  794.   if(RegDst !== 0) $display("j RegDst8- expected: 0 actual: %b", RegDst);
  795.   if(RegWrite !== 0) $display("j RegWrite8- expected:0 actual: %b", RegWrite);
  796.   if(MemtoReg !== 1) $display("j MemtoReg8- expected: 1 actual: %b", MemtoReg);
  797.   if(MemWrite !== 0) $display("j MemWrite8- expected: 0 actual: %b", MemWrite);
  798.   #2;    //s9
  799.   if(MemRead !== 0)  $display("j MemRead9- expected: 0 actual: %b", MemRead);
  800.   if(ALUSrcA !== 0) $display("j ALUSrcA9- expected: 0 actual: %b", ALUSrcA);
  801.   if(lorD !== 0)  $display("j lorD9- expected: 0 actual: %b", lorD);
  802.   if(IRWrite !== 0)  $display("j IRWrite9- expected: 0 actual: %b", IRWrite);
  803.   if(ALUSrcB !== 2'b11) $display("j ALUSrcB9- expected: 2'b11 actual: %b", ALUSrcB);
  804.   if(ALUOp !== 2'b00)  $display("j ALUOp9- expected: 2'b00 actual: %b", ALUOp);
  805.   if(PCWrite !== 1)  $display("j PCWrite9- expected: 1 actual: %b", PCWrite);
  806.   if(PCSource !== 2'b10)  $display("j PCSource9- expected: 2'b10 actual: %b", PCSource);
  807.   if(RegDst !== 0) $display("j RegDst9- expected: 0 actual: %b", RegDst);
  808.   if(RegWrite !== 0) $display("j RegWrite9- expected:0 actual: %b", RegWrite);
  809.   if(MemtoReg !== 1) $display("j MemtoReg9- expected: 1 actual: %b", MemtoReg);
  810.   if(MemWrite !== 0) $display("j MemWrite9- expected: 0 actual: %b", MemWrite);
  811.   $display("Done J test...");
  812.   #1;
  813. end
  814.  
  815.  
  816. always begin
  817.    #1 Clk = !Clk;
  818. end
  819.  
  820.  
  821.  
  822. endmodule
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