control_sim

#! /usr/bin/vvp
:ivl_version "12.0 (stable)";
:ivl_delay_selection "TYPICAL";
:vpi_time_precision - 12;
:vpi_module "/usr/lib/x86_64-linux-gnu/ivl/system.vpi";
:vpi_module "/usr/lib/x86_64-linux-gnu/ivl/vhdl_sys.vpi";
:vpi_module "/usr/lib/x86_64-linux-gnu/ivl/vhdl_textio.vpi";
:vpi_module "/usr/lib/x86_64-linux-gnu/ivl/v2005_math.vpi";
:vpi_module "/usr/lib/x86_64-linux-gnu/ivl/va_math.vpi";
S_0x55c26f3d0b30 .scope module, "control_unit_tb" "control_unit_tb" 2 8;
 .timescale -9 -12;
P_0x55c26f3cde20 .param/l "OP_ADD" 0 2 24, C4<0001>;
P_0x55c26f3cde60 .param/l "OP_LOAD" 0 2 26, C4<0011>;
P_0x55c26f3cdea0 .param/l "OP_NOP" 0 2 23, C4<0000>;
P_0x55c26f3cdee0 .param/l "OP_STORE" 0 2 27, C4<0100>;
P_0x55c26f3cdf20 .param/l "OP_SUB" 0 2 25, C4<0010>;
L_0x55c26f3c10a0 .functor BUFZ 3, v0x55c26f3fde70_0, C4<000>, C4<000>, C4<000>;
v0x55c26f3fea10_0 .net "alu_op", 1 0, v0x55c26f3fdcb0_0;  1 drivers
v0x55c26f3feaf0_0 .var "carry", 0 0;
v0x55c26f3feb90_0 .var "clk", 0 0;
v0x55c26f3fec90_0 .net "current_state_tb", 2 0, L_0x55c26f3c10a0;  1 drivers
v0x55c26f3fed30_0 .net "ir_load", 0 0, v0x55c26f3fdf30_0;  1 drivers
v0x55c26f3fedd0_0 .net "mem_read", 0 0, v0x55c26f3fe310_0;  1 drivers
v0x55c26f3feea0_0 .net "mem_to_reg", 0 0, v0x55c26f3fe3b0_0;  1 drivers
v0x55c26f3fef70_0 .net "mem_write", 0 0, v0x55c26f3fe450_0;  1 drivers
v0x55c26f3ff040_0 .var "opcode", 3 0;
v0x55c26f3ff0e0_0 .net "pc_inc", 0 0, v0x55c26f3fe650_0;  1 drivers
v0x55c26f3ff180_0 .net "reg_write", 0 0, v0x55c26f3fe6f0_0;  1 drivers
v0x55c26f3ff250_0 .var "rst", 0 0;
v0x55c26f3ff320_0 .var "zero", 0 0;
E_0x55c26f3c23e0 .event posedge, v0x55c26f3fddb0_0;
S_0x55c26f3ce100 .scope module, "UUT" "control_unit" 2 30, 3 8 0, S_0x55c26f3d0b30;
 .timescale -9 -12;
    .port_info 0 /INPUT 1 "clk";
    .port_info 1 /INPUT 1 "rst";
    .port_info 2 /INPUT 4 "opcode";
    .port_info 3 /OUTPUT 1 "pc_inc";
    .port_info 4 /OUTPUT 1 "ir_load";
    .port_info 5 /OUTPUT 1 "mem_read";
    .port_info 6 /OUTPUT 1 "mem_write";
    .port_info 7 /OUTPUT 1 "reg_write";
    .port_info 8 /OUTPUT 2 "alu_op";
    .port_info 9 /OUTPUT 1 "mem_to_reg";
P_0x55c26f389490 .param/l "ALU_ADD" 0 3 46, C4<00>;
P_0x55c26f3894d0 .param/l "ALU_PASS" 0 3 48, C4<10>;
P_0x55c26f389510 .param/l "ALU_SUB" 0 3 47, C4<01>;
P_0x55c26f389550 .param/l "DECODE" 0 3 25, C4<001>;
P_0x55c26f389590 .param/l "EXEC_ALU" 0 3 26, C4<010>;
P_0x55c26f3895d0 .param/l "EXEC_MEM" 0 3 28, C4<100>;
P_0x55c26f389610 .param/l "FETCH" 0 3 24, C4<000>;
P_0x55c26f389650 .param/l "WB_ALU" 0 3 27, C4<011>;
P_0x55c26f389690 .param/l "WB_MEM" 0 3 29, C4<101>;
v0x55c26f3fdcb0_0 .var "alu_op", 1 0;
v0x55c26f3fddb0_0 .net "clk", 0 0, v0x55c26f3feb90_0;  1 drivers
v0x55c26f3fde70_0 .var "current_state", 2 0;
v0x55c26f3fdf30_0 .var "ir_load", 0 0;
v0x55c26f3fdff0_0 .net "is_ADD", 0 0, L_0x55c26f3ff3f0;  1 drivers
v0x55c26f3fe090_0 .net "is_LOAD", 0 0, L_0x55c26f3ff6b0;  1 drivers
v0x55c26f3fe130_0 .net "is_NOP", 0 0, L_0x55c26f3ff9b0;  1 drivers
v0x55c26f3fe1d0_0 .net "is_STORE", 0 0, L_0x55c26f3ff7f0;  1 drivers
v0x55c26f3fe270_0 .net "is_SUB", 0 0, L_0x55c26f3ff530;  1 drivers
v0x55c26f3fe310_0 .var "mem_read", 0 0;
v0x55c26f3fe3b0_0 .var "mem_to_reg", 0 0;
v0x55c26f3fe450_0 .var "mem_write", 0 0;
v0x55c26f3fe4f0_0 .var "next_state", 2 0;
v0x55c26f3fe590_0 .net "opcode", 3 0, v0x55c26f3ff040_0;  1 drivers
v0x55c26f3fe650_0 .var "pc_inc", 0 0;
v0x55c26f3fe6f0_0 .var "reg_write", 0 0;
v0x55c26f3fe7b0_0 .net "rst", 0 0, v0x55c26f3ff250_0;  1 drivers
E_0x55c26f3c2f00 .event posedge, v0x55c26f3fe7b0_0, v0x55c26f3fddb0_0;
E_0x55c26f389b60/0 .event anyedge, v0x55c26f3fde70_0, v0x55c26f3fd830_0, v0x55c26f3fdb30_0, v0x55c26f3fd8f0_0;
E_0x55c26f389b60/1 .event anyedge, v0x55c26f3fda70_0;
E_0x55c26f389b60 .event/or E_0x55c26f389b60/0, E_0x55c26f389b60/1;
S_0x55c26f3dfc20 .scope module, "decoder" "opcode_decoder" 3 36, 4 8 0, S_0x55c26f3ce100;
 .timescale -9 -12;
    .port_info 0 /INPUT 4 "Opcode";
    .port_info 1 /OUTPUT 1 "is_ADD";
    .port_info 2 /OUTPUT 1 "is_SUB";
    .port_info 3 /OUTPUT 1 "is_LOAD";
    .port_info 4 /OUTPUT 1 "is_STORE";
    .port_info 5 /OUTPUT 1 "is_NOP";
P_0x55c26f3dfdb0 .param/l "OP_ADD" 0 4 19, C4<0001>;
P_0x55c26f3dfdf0 .param/l "OP_LOAD" 0 4 21, C4<0011>;
P_0x55c26f3dfe30 .param/l "OP_NOP" 0 4 18, C4<0000>;
P_0x55c26f3dfe70 .param/l "OP_STORE" 0 4 22, C4<0100>;
P_0x55c26f3dfeb0 .param/l "OP_SUB" 0 4 20, C4<0010>;
v0x55c26f3db020_0 .net "Opcode", 3 0, v0x55c26f3ff040_0;  alias, 1 drivers
L_0x7fb28f180018 .functor BUFT 1, C4<0001>, C4<0>, C4<0>, C4<0>;
v0x55c26f3dc190_0 .net/2u *"_ivl_0", 3 0, L_0x7fb28f180018;  1 drivers
L_0x7fb28f1800f0 .functor BUFT 1, C4<0100>, C4<0>, C4<0>, C4<0>;
v0x55c26f3dc370_0 .net/2u *"_ivl_12", 3 0, L_0x7fb28f1800f0;  1 drivers
L_0x7fb28f180138 .functor BUFT 1, C4<0000>, C4<0>, C4<0>, C4<0>;
v0x55c26f3dc570_0 .net/2u *"_ivl_16", 3 0, L_0x7fb28f180138;  1 drivers
L_0x7fb28f180060 .functor BUFT 1, C4<0010>, C4<0>, C4<0>, C4<0>;
v0x55c26f3b6540_0 .net/2u *"_ivl_4", 3 0, L_0x7fb28f180060;  1 drivers
L_0x7fb28f1800a8 .functor BUFT 1, C4<0011>, C4<0>, C4<0>, C4<0>;
v0x55c26f3b6610_0 .net/2u *"_ivl_8", 3 0, L_0x7fb28f1800a8;  1 drivers
v0x55c26f3fd830_0 .net "is_ADD", 0 0, L_0x55c26f3ff3f0;  alias, 1 drivers
v0x55c26f3fd8f0_0 .net "is_LOAD", 0 0, L_0x55c26f3ff6b0;  alias, 1 drivers
v0x55c26f3fd9b0_0 .net "is_NOP", 0 0, L_0x55c26f3ff9b0;  alias, 1 drivers
v0x55c26f3fda70_0 .net "is_STORE", 0 0, L_0x55c26f3ff7f0;  alias, 1 drivers
v0x55c26f3fdb30_0 .net "is_SUB", 0 0, L_0x55c26f3ff530;  alias, 1 drivers
L_0x55c26f3ff3f0 .cmp/eq 4, v0x55c26f3ff040_0, L_0x7fb28f180018;
L_0x55c26f3ff530 .cmp/eq 4, v0x55c26f3ff040_0, L_0x7fb28f180060;
L_0x55c26f3ff6b0 .cmp/eq 4, v0x55c26f3ff040_0, L_0x7fb28f1800a8;
L_0x55c26f3ff7f0 .cmp/eq 4, v0x55c26f3ff040_0, L_0x7fb28f1800f0;
L_0x55c26f3ff9b0 .cmp/eq 4, v0x55c26f3ff040_0, L_0x7fb28f180138;
    .scope S_0x55c26f3ce100;
T_0 ;
    %wait E_0x55c26f3c2f00;
    %load/vec4 v0x55c26f3fe7b0_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_0.0, 8;
    %pushi/vec4 0, 0, 3;
    %assign/vec4 v0x55c26f3fde70_0, 0;
    %jmp T_0.1;
T_0.0 ;
    %load/vec4 v0x55c26f3fe4f0_0;
    %assign/vec4 v0x55c26f3fde70_0, 0;
T_0.1 ;
    %jmp T_0;
    .thread T_0;
    .scope S_0x55c26f3ce100;
T_1 ;
    %wait E_0x55c26f389b60;
    %pushi/vec4 0, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %load/vec4 v0x55c26f3fde70_0;
    %dup/vec4;
    %pushi/vec4 0, 0, 3;
    %cmp/u;
    %jmp/1 T_1.0, 6;
    %dup/vec4;
    %pushi/vec4 1, 0, 3;
    %cmp/u;
    %jmp/1 T_1.1, 6;
    %dup/vec4;
    %pushi/vec4 2, 0, 3;
    %cmp/u;
    %jmp/1 T_1.2, 6;
    %dup/vec4;
    %pushi/vec4 3, 0, 3;
    %cmp/u;
    %jmp/1 T_1.3, 6;
    %dup/vec4;
    %pushi/vec4 4, 0, 3;
    %cmp/u;
    %jmp/1 T_1.4, 6;
    %dup/vec4;
    %pushi/vec4 5, 0, 3;
    %cmp/u;
    %jmp/1 T_1.5, 6;
    %pushi/vec4 0, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.7;
T_1.0 ;
    %pushi/vec4 1, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.7;
T_1.1 ;
    %load/vec4 v0x55c26f3fdff0_0;
    %flag_set/vec4 8;
    %jmp/1 T_1.10, 8;
    %load/vec4 v0x55c26f3fe270_0;
    %flag_set/vec4 9;
    %flag_or 8, 9;
T_1.10;
    %jmp/0xz  T_1.8, 8;
    %pushi/vec4 2, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.9;
T_1.8 ;
    %load/vec4 v0x55c26f3fe090_0;
    %flag_set/vec4 8;
    %jmp/1 T_1.13, 8;
    %load/vec4 v0x55c26f3fe1d0_0;
    %flag_set/vec4 9;
    %flag_or 8, 9;
T_1.13;
    %jmp/0xz  T_1.11, 8;
    %pushi/vec4 4, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.12;
T_1.11 ;
    %pushi/vec4 0, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
T_1.12 ;
T_1.9 ;
    %jmp T_1.7;
T_1.2 ;
    %pushi/vec4 3, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.7;
T_1.3 ;
    %pushi/vec4 0, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.7;
T_1.4 ;
    %load/vec4 v0x55c26f3fe090_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_1.14, 8;
    %pushi/vec4 5, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.15;
T_1.14 ;
    %load/vec4 v0x55c26f3fe1d0_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_1.16, 8;
    %pushi/vec4 0, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.17;
T_1.16 ;
    %pushi/vec4 0, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
T_1.17 ;
T_1.15 ;
    %jmp T_1.7;
T_1.5 ;
    %pushi/vec4 0, 0, 3;
    %store/vec4 v0x55c26f3fe4f0_0, 0, 3;
    %jmp T_1.7;
T_1.7 ;
    %pop/vec4 1;
    %jmp T_1;
    .thread T_1, $push;
    .scope S_0x55c26f3ce100;
T_2 ;
    %wait E_0x55c26f3c2f00;
    %load/vec4 v0x55c26f3fe7b0_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_2.0, 8;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe6f0_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe310_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe450_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe650_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fdf30_0, 0;
    %pushi/vec4 2, 0, 2;
    %assign/vec4 v0x55c26f3fdcb0_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe3b0_0, 0;
    %jmp T_2.1;
T_2.0 ;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe6f0_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe310_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe450_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe650_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fdf30_0, 0;
    %pushi/vec4 2, 0, 2;
    %assign/vec4 v0x55c26f3fdcb0_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe3b0_0, 0;
    %load/vec4 v0x55c26f3fde70_0;
    %dup/vec4;
    %pushi/vec4 0, 0, 3;
    %cmp/u;
    %jmp/1 T_2.2, 6;
    %dup/vec4;
    %pushi/vec4 2, 0, 3;
    %cmp/u;
    %jmp/1 T_2.3, 6;
    %dup/vec4;
    %pushi/vec4 3, 0, 3;
    %cmp/u;
    %jmp/1 T_2.4, 6;
    %dup/vec4;
    %pushi/vec4 4, 0, 3;
    %cmp/u;
    %jmp/1 T_2.5, 6;
    %dup/vec4;
    %pushi/vec4 5, 0, 3;
    %cmp/u;
    %jmp/1 T_2.6, 6;
    %jmp T_2.7;
T_2.2 ;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fe650_0, 0;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fe310_0, 0;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fdf30_0, 0;
    %jmp T_2.7;
T_2.3 ;
    %load/vec4 v0x55c26f3fdff0_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_2.8, 8;
    %pushi/vec4 0, 0, 2;
    %assign/vec4 v0x55c26f3fdcb0_0, 0;
    %jmp T_2.9;
T_2.8 ;
    %load/vec4 v0x55c26f3fe270_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_2.10, 8;
    %pushi/vec4 1, 0, 2;
    %assign/vec4 v0x55c26f3fdcb0_0, 0;
T_2.10 ;
T_2.9 ;
    %jmp T_2.7;
T_2.4 ;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fe6f0_0, 0;
    %pushi/vec4 0, 0, 1;
    %assign/vec4 v0x55c26f3fe3b0_0, 0;
    %jmp T_2.7;
T_2.5 ;
    %load/vec4 v0x55c26f3fe090_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_2.12, 8;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fe310_0, 0;
    %jmp T_2.13;
T_2.12 ;
    %load/vec4 v0x55c26f3fe1d0_0;
    %flag_set/vec4 8;
    %jmp/0xz  T_2.14, 8;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fe450_0, 0;
T_2.14 ;
T_2.13 ;
    %jmp T_2.7;
T_2.6 ;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fe6f0_0, 0;
    %pushi/vec4 1, 0, 1;
    %assign/vec4 v0x55c26f3fe3b0_0, 0;
    %jmp T_2.7;
T_2.7 ;
    %pop/vec4 1;
T_2.1 ;
    %jmp T_2;
    .thread T_2;
    .scope S_0x55c26f3d0b30;
T_3 ;
    %pushi/vec4 0, 0, 1;
    %store/vec4 v0x55c26f3feb90_0, 0, 1;
T_3.0 ;
    %delay 5000, 0;
    %load/vec4 v0x55c26f3feb90_0;
    %inv;
    %store/vec4 v0x55c26f3feb90_0, 0, 1;
    %jmp T_3.0;
    %end;
    .thread T_3;
    .scope S_0x55c26f3d0b30;
T_4 ;
    %vpi_call 2 58 "$timeformat", 32'sb11111111111111111111111111110111, 32'sb00000000000000000000000000000001, " ns", 32'sb00000000000000000000000000001010 {0 0 0};
    %pushi/vec4 1, 0, 1;
    %store/vec4 v0x55c26f3ff250_0, 0, 1;
    %pushi/vec4 0, 0, 4;
    %store/vec4 v0x55c26f3ff040_0, 0, 4;
    %pushi/vec4 0, 0, 1;
    %store/vec4 v0x55c26f3ff320_0, 0, 1;
    %pushi/vec4 0, 0, 1;
    %store/vec4 v0x55c26f3feaf0_0, 0, 1;
    %delay 15000, 0;
    %pushi/vec4 0, 0, 1;
    %store/vec4 v0x55c26f3ff250_0, 0, 1;
    %delay 5000, 0;
    %vpi_call 2 71 "$display", "---------------------------------" {0 0 0};
    %vpi_call 2 72 "$display", "[%0t] Test: NOP Instruction", $time {0 0 0};
    %pushi/vec4 0, 0, 4;
    %store/vec4 v0x55c26f3ff040_0, 0, 4;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %vpi_call 2 78 "$display", "---------------------------------" {0 0 0};
    %vpi_call 2 79 "$display", "[%0t] Test: ADD Instruction", $time {0 0 0};
    %pushi/vec4 1, 0, 4;
    %store/vec4 v0x55c26f3ff040_0, 0, 4;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %vpi_call 2 87 "$display", "---------------------------------" {0 0 0};
    %vpi_call 2 88 "$display", "[%0t] Test: SUB Instruction", $time {0 0 0};
    %pushi/vec4 2, 0, 4;
    %store/vec4 v0x55c26f3ff040_0, 0, 4;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %vpi_call 2 96 "$display", "---------------------------------" {0 0 0};
    %vpi_call 2 97 "$display", "[%0t] Test: LOAD Instruction", $time {0 0 0};
    %pushi/vec4 3, 0, 4;
    %store/vec4 v0x55c26f3ff040_0, 0, 4;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %vpi_call 2 105 "$display", "---------------------------------" {0 0 0};
    %vpi_call 2 106 "$display", "[%0t] Test: STORE Instruction", $time {0 0 0};
    %pushi/vec4 4, 0, 4;
    %store/vec4 v0x55c26f3ff040_0, 0, 4;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %wait E_0x55c26f3c23e0;
    %delay 20000, 0;
    %vpi_call 2 113 "$display", "---------------------------------" {0 0 0};
    %vpi_call 2 114 "$display", "[%0t] Simulation finished.", $time {0 0 0};
    %vpi_call 2 115 "$finish" {0 0 0};
    %end;
    .thread T_4;
    .scope S_0x55c26f3d0b30;
T_5 ;
    %wait E_0x55c26f3c23e0;
    %load/vec4 v0x55c26f3ff250_0;
    %pad/u 32;
    %cmpi/e 0, 0, 32;
    %jmp/0xz  T_5.0, 4;
    %vpi_call 2 121 "$display", "[%0t] State: %d | Opcode: %b | pc_inc: %b | mem_read: %b | mem_write: %b | alu_op: %b | reg_write: %b | mem_to_reg: %b | ir_load: %b", $time, v0x55c26f3fec90_0, v0x55c26f3ff040_0, v0x55c26f3ff0e0_0, v0x55c26f3fedd0_0, v0x55c26f3fef70_0, v0x55c26f3fea10_0, v0x55c26f3ff180_0, v0x55c26f3feea0_0, v0x55c26f3fed30_0 {0 0 0};
T_5.0 ;
    %jmp T_5;
    .thread T_5;
    .scope S_0x55c26f3d0b30;
T_6 ;
    %vpi_call 2 139 "$dumpfile", "control_unit.vcd" {0 0 0};
    %vpi_call 2 140 "$dumpvars", 32'sb00000000000000000000000000000000, S_0x55c26f3d0b30 {0 0 0};
    %end;
    .thread T_6;
# The file index is used to find the file name in the following table.
:file_names 5;
    "N/A";
    "<interactive>";
    "control_unit_tb.v";
    "control_unit.v";
    "opcode_decoder.v";