do machine problem

9 files changed, 810 insertions, 170 deletions

diff --git a/ee4363/mp1/MIPSALU.v b/ee4363/mp1/mp11/MIPSALU.v
index 096aff5..096aff5 100644
--- a/ee4363/mp1/MIPSALU.v
+++ b/ee4363/mp1/mp11/MIPSALU.v
diff --git a/ee4363/mp1/MIPSAlu.vcd b/ee4363/mp1/mp11/MIPSAlu.vcd
index e20e5e6..b81fdb8 100644
--- a/ee4363/mp1/MIPSAlu.vcd
+++ b/ee4363/mp1/mp11/MIPSAlu.vcd
@@ -1,5 +1,5 @@
 $date
-	Sat Nov 21 15:12:24 2020
+	Thu Dec  3 09:43:49 2020
 $end
 $version
 	Icarus Verilog
@@ -25,33 +25,34 @@ $enddefinitions $end
 #0
 $dumpvars
 b0 )
-b1010101010101010101010101010101 (
+b1 (
 bx '
-b1010101010101010101010101010101 &
-b1010101010101010101010101010101 %
+b1111 &
+b1 %
 bx $
-b1010101010101010101010101010101 #
+b1111 #
 b0 "
 1!
 $end
 #100
 0!
-b1010101010101010101010101010101 "
-b1010101010101010101010101010101 )
+b1 "
+b1 )
 b0 $
 b0 '
 #200
+b1111 "
+b1111 )
 b1 $
 b1 '
 #300
-b10101010101010101010101010101010 "
-b10101010101010101010101010101010 )
+b10000 "
+b10000 )
 b10 $
 b10 '
 #400
-1!
-b0 "
-b0 )
+b1110 "
+b1110 )
 b110 $
 b110 '
 #500
diff --git a/ee4363/mp1/mp11/out b/ee4363/mp1/mp11/out
new file mode 100644
index 0000000..b09d3dc
--- /dev/null
+++ b/ee4363/mp1/mp11/out
@@ -0,0 +1,152 @@
+#! /usr/bin/vvp
+:ivl_version "10.3 (stable)";
+:ivl_delay_selection "TYPICAL";
+:vpi_time_precision - 10;
+:vpi_module "system";
+:vpi_module "vhdl_sys";
+:vpi_module "v2005_math";
+:vpi_module "va_math";
+S_0x5600cdc34d10 .scope module, "test_mipsalu" "test_mipsalu" 2 8;
+ .timescale -9 -10;
+v0x5600cdc4a050_0 .var "A", 31 0;
+v0x5600cdc4a130_0 .net "ALUOut", 31 0, v0x5600cdc49b10_0;  1 drivers
+v0x5600cdc4a200_0 .var "ALUctl", 3 0;
+v0x5600cdc4a300_0 .var "B", 31 0;
+v0x5600cdc4a3d0_0 .net "Zero", 0 0, L_0x5600cdc5a530;  1 drivers
+S_0x5600cdc34e90 .scope module, "U0" "MIPSALU" 2 19, 3 1 0, S_0x5600cdc34d10;
+ .timescale -9 -10;
+    .port_info 0 /INPUT 4 "ALUctl"
+    .port_info 1 /INPUT 32 "A"
+    .port_info 2 /INPUT 32 "B"
+    .port_info 3 /OUTPUT 32 "ALUOut"
+    .port_info 4 /OUTPUT 1 "Zero"
+v0x5600cdbfd130_0 .net "A", 31 0, v0x5600cdc4a050_0;  1 drivers
+v0x5600cdc49b10_0 .var "ALUOut", 31 0;
+v0x5600cdc49bf0_0 .net "ALUctl", 3 0, v0x5600cdc4a200_0;  1 drivers
+v0x5600cdc49ce0_0 .net "B", 31 0, v0x5600cdc4a300_0;  1 drivers
+v0x5600cdc49dc0_0 .net "Zero", 0 0, L_0x5600cdc5a530;  alias, 1 drivers
+L_0x7f1879ed6018 .functor BUFT 1, C4<00000000000000000000000000000000>, C4<0>, C4<0>, C4<0>;
+v0x5600cdc49ed0_0 .net/2u *"_s0", 31 0, L_0x7f1879ed6018;  1 drivers
+E_0x5600cdc327b0 .event edge, v0x5600cdc49ce0_0, v0x5600cdbfd130_0, v0x5600cdc49bf0_0;
+L_0x5600cdc5a530 .cmp/eq 32, v0x5600cdc49b10_0, L_0x7f1879ed6018;
+    .scope S_0x5600cdc34e90;
+T_0 ;
+    %wait E_0x5600cdc327b0;
+    %load/vec4 v0x5600cdc49bf0_0;
+    %dup/vec4;
+    %pushi/vec4 0, 0, 4;
+    %cmp/u;
+    %jmp/1 T_0.0, 6;
+    %dup/vec4;
+    %pushi/vec4 1, 0, 4;
+    %cmp/u;
+    %jmp/1 T_0.1, 6;
+    %dup/vec4;
+    %pushi/vec4 2, 0, 4;
+    %cmp/u;
+    %jmp/1 T_0.2, 6;
+    %dup/vec4;
+    %pushi/vec4 6, 0, 4;
+    %cmp/u;
+    %jmp/1 T_0.3, 6;
+    %dup/vec4;
+    %pushi/vec4 7, 0, 4;
+    %cmp/u;
+    %jmp/1 T_0.4, 6;
+    %dup/vec4;
+    %pushi/vec4 12, 0, 4;
+    %cmp/u;
+    %jmp/1 T_0.5, 6;
+    %pushi/vec4 0, 0, 32;
+    %assign/vec4 v0x5600cdc49b10_0, 0;
+    %jmp T_0.7;
+T_0.0 ;
+    %load/vec4 v0x5600cdbfd130_0;
+    %load/vec4 v0x5600cdc49ce0_0;
+    %and;
+    %assign/vec4 v0x5600cdc49b10_0, 0;
+    %jmp T_0.7;
+T_0.1 ;
+    %load/vec4 v0x5600cdbfd130_0;
+    %load/vec4 v0x5600cdc49ce0_0;
+    %or;
+    %assign/vec4 v0x5600cdc49b10_0, 0;
+    %jmp T_0.7;
+T_0.2 ;
+    %load/vec4 v0x5600cdbfd130_0;
+    %load/vec4 v0x5600cdc49ce0_0;
+    %add;
+    %assign/vec4 v0x5600cdc49b10_0, 0;
+    %jmp T_0.7;
+T_0.3 ;
+    %load/vec4 v0x5600cdbfd130_0;
+    %load/vec4 v0x5600cdc49ce0_0;
+    %sub;
+    %assign/vec4 v0x5600cdc49b10_0, 0;
+    %jmp T_0.7;
+T_0.4 ;
+    %load/vec4 v0x5600cdbfd130_0;
+    %load/vec4 v0x5600cdc49ce0_0;
+    %cmp/u;
+    %flag_mov 8, 5;
+    %jmp/0 T_0.8, 8;
+    %pushi/vec4 1, 0, 32;
+    %jmp/1 T_0.9, 8;
+T_0.8 ; End of true expr.
+    %pushi/vec4 0, 0, 32;
+    %jmp/0 T_0.9, 8;
+ ; End of false expr.
+    %blend;
+T_0.9;
+    %assign/vec4 v0x5600cdc49b10_0, 0;
+    %jmp T_0.7;
+T_0.5 ;
+    %load/vec4 v0x5600cdbfd130_0;
+    %load/vec4 v0x5600cdc49ce0_0;
+    %or;
+    %inv;
+    %assign/vec4 v0x5600cdc49b10_0, 0;
+    %jmp T_0.7;
+T_0.7 ;
+    %pop/vec4 1;
+    %jmp T_0;
+    .thread T_0, $push;
+    .scope S_0x5600cdc34d10;
+T_1 ;
+    %pushi/vec4 15, 0, 32;
+    %store/vec4 v0x5600cdc4a050_0, 0, 32;
+    %pushi/vec4 1, 0, 32;
+    %store/vec4 v0x5600cdc4a300_0, 0, 32;
+    %delay 100, 0;
+    %pushi/vec4 0, 0, 4;
+    %store/vec4 v0x5600cdc4a200_0, 0, 4;
+    %delay 100, 0;
+    %pushi/vec4 1, 0, 4;
+    %store/vec4 v0x5600cdc4a200_0, 0, 4;
+    %delay 100, 0;
+    %pushi/vec4 2, 0, 4;
+    %store/vec4 v0x5600cdc4a200_0, 0, 4;
+    %delay 100, 0;
+    %pushi/vec4 6, 0, 4;
+    %store/vec4 v0x5600cdc4a200_0, 0, 4;
+    %delay 100, 0;
+    %vpi_call 2 32 "$finish" {0 0 0};
+    %end;
+    .thread T_1;
+    .scope S_0x5600cdc34d10;
+T_2 ;
+    %vpi_call 2 38 "$monitor", $time, " A = %h", v0x5600cdc4a050_0, " B = %h", v0x5600cdc4a300_0, " ALUOut = %h", v0x5600cdc4a130_0, " Zero = %b", v0x5600cdc4a3d0_0 {0 0 0};
+    %end;
+    .thread T_2;
+    .scope S_0x5600cdc34d10;
+T_3 ;
+    %vpi_call 2 43 "$dumpfile", "MIPSAlu.vcd" {0 0 0};
+    %vpi_call 2 44 "$dumpvars" {0 0 0};
+    %end;
+    .thread T_3;
+# The file index is used to find the file name in the following table.
+:file_names 4;
+    "N/A";
+    "<interactive>";
+    "test_mipsalu.v";
+    "./MIPSALU.v";
diff --git a/ee4363/mp1/test_mipsalu.v b/ee4363/mp1/mp11/test_mipsalu.v
index 15cdf60..9738ed5 100644
--- a/ee4363/mp1/test_mipsalu.v
+++ b/ee4363/mp1/mp11/test_mipsalu.v
@@ -22,8 +22,8 @@ module test_mipsalu;
 
    initial 
    begin
-      A=32'b0101_0101_0101_0101_0101_0101_0101_0101;
-      B=32'b0101_0101_0101_0101_0101_0101_0101_0101;
+      A=32'b0000_0000_0000_0000_0000_0000_0000_1111;
+      B=32'b0000_0000_0000_0000_0000_0000_0000_0001;
       #10 ALUctl=4'b0000;
       #10 ALUctl=4'b0001;
       #10 ALUctl=4'b0010;
diff --git a/ee4363/mp1/mipspipe.v b/ee4363/mp1/mp12/mipspipe.v
index 951bde0..62b4e8b 100644
--- a/ee4363/mp1/mipspipe.v
+++ b/ee4363/mp1/mp12/mipspipe.v
@@ -40,10 +40,12 @@ module mipspipe(clock);
       MEMWBIR = nop; // no-ops placed in pipeline latches
       // test some instructions
       for (i=0;i<=31;i=i+1) Regs[i] = i; // initialize registers
-      IMemory[0] = 32'h8c210003;
-      IMemory[1] = 32'hac020000;
-      IMemory[2] = 32'h00642820;
-      for (j=3;j<=1023;j=j+1) IMemory[j] = nop;
+IMemory[0] = 32'h00412820; // ADD OPCODE: 000000 00010 00001 00101 00000 100000
+      IMemory[1] = 32'h8CA30004; // First LW:   100011 00101 00011 00000 00000 00 0100
+      IMemory[2] = 32'h8C420000; // Second LW:  100011 00010 00010 00000 00000 000000
+      IMemory[3] = 32'h00A31825; // OR OPCODE:  000000 00101 00011 00011 00000 100101
+      IMemory[4] = 32'hACA30000; // SW:         101011 00101 00011 00000 00000 000000
+      for (j=5;j<=1023;j=j+1) IMemory[j] = nop;
       DMemory[0] = 32'h00000000;
       DMemory[1] = 32'hffffffff;
       for (k=2;k<=1023;k=k+1) DMemory[k] = 0;
@@ -67,6 +69,7 @@ module mipspipe(clock);
       else if (IDEXop==ALUop) begin // ALU operation
          case (IDEXIR[5:0]) // R-type instruction
            32: EXMEMALUOut <= Ain + Bin; // add operation
+           37: EXMEMALUOut <= Ain | Bin; //or
            default: ; // other R-type operations [to be implemented]
          endcase
       end
diff --git a/ee4363/mp1/mp12/out b/ee4363/mp1/mp12/out
new file mode 100644
index 0000000..91338a7
--- /dev/null
+++ b/ee4363/mp1/mp12/out
@@ -0,0 +1,369 @@
+#! /usr/bin/vvp
+:ivl_version "10.3 (stable)";
+:ivl_delay_selection "TYPICAL";
+:vpi_time_precision + 0;
+:vpi_module "system";
+:vpi_module "vhdl_sys";
+:vpi_module "v2005_math";
+:vpi_module "va_math";
+S_0x55a34db03e40 .scope module, "test_mipspipe" "test_mipspipe" 2 8;
+ .timescale 0 0;
+v0x55a34db449f0_0 .var "clock", 0 0;
+v0x55a34db44a90_0 .var "clock_cycle", 3 0;
+E_0x55a34db17f80 .event negedge, v0x55a34db44650_0;
+S_0x55a34db039a0 .scope module, "u_mipspipe" "mipspipe" 2 14, 3 3 0, S_0x55a34db03e40;
+ .timescale 0 0;
+    .port_info 0 /INPUT 1 "clock"
+P_0x55a34db042e0 .param/l "ALUop" 0 3 8, C4<000000>;
+P_0x55a34db04320 .param/l "BEQ" 0 3 8, C4<000100>;
+P_0x55a34db04360 .param/l "LW" 0 3 8, C4<100011>;
+P_0x55a34db043a0 .param/l "SW" 0 3 8, C4<101011>;
+P_0x55a34db043e0 .param/l "nop" 0 3 8, C4<00000000000000000000000000100000>;
+L_0x55a34dadea40 .functor BUFZ 32, v0x55a34db43970_0, C4<00000000000000000000000000000000>, C4<00000000000000000000000000000000>, C4<00000000000000000000000000000000>;
+L_0x55a34dade820 .functor BUFZ 32, v0x55a34db43a50_0, C4<00000000000000000000000000000000>, C4<00000000000000000000000000000000>, C4<00000000000000000000000000000000>;
+v0x55a34db0c970_0 .net "Ain", 31 0, L_0x55a34dadea40;  1 drivers
+v0x55a34db43340_0 .net "Bin", 31 0, L_0x55a34dade820;  1 drivers
+v0x55a34db43420 .array "DMemory", 1023 0, 31 0;
+v0x55a34db434c0_0 .var "EXMEMALUOut", 31 0;
+v0x55a34db435a0_0 .var "EXMEMB", 31 0;
+v0x55a34db436d0_0 .var "EXMEMIR", 31 0;
+v0x55a34db437b0_0 .net "EXMEMop", 5 0, L_0x55a34db44fb0;  1 drivers
+v0x55a34db43890_0 .net "EXMEMrd", 4 0, L_0x55a34db44c90;  1 drivers
+v0x55a34db43970_0 .var "IDEXA", 31 0;
+v0x55a34db43a50_0 .var "IDEXB", 31 0;
+v0x55a34db43b30_0 .var "IDEXIR", 31 0;
+v0x55a34db43c10_0 .net "IDEXop", 5 0, L_0x55a34db45180;  1 drivers
+v0x55a34db43cf0_0 .net "IDEXrs", 4 0, L_0x55a34db44b50;  1 drivers
+v0x55a34db43dd0_0 .net "IDEXrt", 4 0, L_0x55a34db44bf0;  1 drivers
+v0x55a34db43eb0_0 .var "IFIDIR", 31 0;
+v0x55a34db43f90 .array "IMemory", 1023 0, 31 0;
+v0x55a34db44050_0 .var "MEMWBIR", 31 0;
+v0x55a34db44130_0 .var "MEMWBValue", 31 0;
+v0x55a34db44210_0 .net "MEMWBop", 5 0, L_0x55a34db450e0;  1 drivers
+v0x55a34db442f0_0 .net "MEMWBrd", 4 0, L_0x55a34db44d60;  1 drivers
+v0x55a34db443d0_0 .net "MEMWBrt", 4 0, L_0x55a34db44e90;  1 drivers
+v0x55a34db444b0_0 .var "PC", 31 0;
+v0x55a34db44590 .array "Regs", 31 0, 31 0;
+v0x55a34db44650_0 .net "clock", 0 0, v0x55a34db449f0_0;  1 drivers
+v0x55a34db44710_0 .var "i", 5 0;
+v0x55a34db447f0_0 .var "j", 10 0;
+v0x55a34db448d0_0 .var "k", 10 0;
+E_0x55a34db18270 .event posedge, v0x55a34db44650_0;
+L_0x55a34db44b50 .part v0x55a34db43b30_0, 21, 5;
+L_0x55a34db44bf0 .part v0x55a34db43b30_0, 16, 5;
+L_0x55a34db44c90 .part v0x55a34db436d0_0, 11, 5;
+L_0x55a34db44d60 .part v0x55a34db44050_0, 11, 5;
+L_0x55a34db44e90 .part v0x55a34db44050_0, 16, 5;
+L_0x55a34db44fb0 .part v0x55a34db436d0_0, 26, 6;
+L_0x55a34db450e0 .part v0x55a34db44050_0, 26, 6;
+L_0x55a34db45180 .part v0x55a34db43b30_0, 26, 6;
+    .scope S_0x55a34db039a0;
+T_0 ;
+    %pushi/vec4 0, 0, 32;
+    %store/vec4 v0x55a34db444b0_0, 0, 32;
+    %pushi/vec4 32, 0, 32;
+    %store/vec4 v0x55a34db43eb0_0, 0, 32;
+    %pushi/vec4 32, 0, 32;
+    %store/vec4 v0x55a34db43b30_0, 0, 32;
+    %pushi/vec4 32, 0, 32;
+    %store/vec4 v0x55a34db436d0_0, 0, 32;
+    %pushi/vec4 32, 0, 32;
+    %store/vec4 v0x55a34db44050_0, 0, 32;
+    %pushi/vec4 0, 0, 6;
+    %store/vec4 v0x55a34db44710_0, 0, 6;
+T_0.0 ;
+    %load/vec4 v0x55a34db44710_0;
+    %pad/u 32;
+    %cmpi/u 31, 0, 32;
+    %flag_or 5, 4;
+    %jmp/0xz T_0.1, 5;
+    %load/vec4 v0x55a34db44710_0;
+    %pad/u 32;
+    %load/vec4 v0x55a34db44710_0;
+    %pad/u 7;
+    %ix/vec4 4;
+    %store/vec4a v0x55a34db44590, 4, 0;
+    %load/vec4 v0x55a34db44710_0;
+    %addi 1, 0, 6;
+    %store/vec4 v0x55a34db44710_0, 0, 6;
+    %jmp T_0.0;
+T_0.1 ;
+    %pushi/vec4 4270112, 0, 32;
+    %ix/load 4, 0, 0;
+    %flag_set/imm 4, 0;
+    %store/vec4a v0x55a34db43f90, 4, 0;
+    %pushi/vec4 2359492612, 0, 32;
+    %ix/load 4, 1, 0;
+    %flag_set/imm 4, 0;
+    %store/vec4a v0x55a34db43f90, 4, 0;
+    %pushi/vec4 2353135616, 0, 32;
+    %ix/load 4, 2, 0;
+    %flag_set/imm 4, 0;
+    %store/vec4a v0x55a34db43f90, 4, 0;
+    %pushi/vec4 10688549, 0, 32;
+    %ix/load 4, 3, 0;
+    %flag_set/imm 4, 0;
+    %store/vec4a v0x55a34db43f90, 4, 0;
+    %pushi/vec4 2896363520, 0, 32;
+    %ix/load 4, 4, 0;
+    %flag_set/imm 4, 0;
+    %store/vec4a v0x55a34db43f90, 4, 0;
+    %pushi/vec4 5, 0, 11;
+    %store/vec4 v0x55a34db447f0_0, 0, 11;
+T_0.2 ;
+    %load/vec4 v0x55a34db447f0_0;
+    %pad/u 32;
+    %cmpi/u 1023, 0, 32;
+    %flag_or 5, 4;
+    %jmp/0xz T_0.3, 5;
+    %pushi/vec4 32, 0, 32;
+    %load/vec4 v0x55a34db447f0_0;
+    %pad/u 12;
+    %ix/vec4 4;
+    %store/vec4a v0x55a34db43f90, 4, 0;
+    %load/vec4 v0x55a34db447f0_0;
+    %addi 1, 0, 11;
+    %store/vec4 v0x55a34db447f0_0, 0, 11;
+    %jmp T_0.2;
+T_0.3 ;
+    %pushi/vec4 0, 0, 32;
+    %ix/load 4, 0, 0;
+    %flag_set/imm 4, 0;
+    %store/vec4a v0x55a34db43420, 4, 0;
+    %pushi/vec4 4294967295, 0, 32;
+    %ix/load 4, 1, 0;
+    %flag_set/imm 4, 0;
+    %store/vec4a v0x55a34db43420, 4, 0;
+    %pushi/vec4 2, 0, 11;
+    %store/vec4 v0x55a34db448d0_0, 0, 11;
+T_0.4 ;
+    %load/vec4 v0x55a34db448d0_0;
+    %pad/u 32;
+    %cmpi/u 1023, 0, 32;
+    %flag_or 5, 4;
+    %jmp/0xz T_0.5, 5;
+    %pushi/vec4 0, 0, 32;
+    %load/vec4 v0x55a34db448d0_0;
+    %pad/u 12;
+    %ix/vec4 4;
+    %store/vec4a v0x55a34db43420, 4, 0;
+    %load/vec4 v0x55a34db448d0_0;
+    %addi 1, 0, 11;
+    %store/vec4 v0x55a34db448d0_0, 0, 11;
+    %jmp T_0.4;
+T_0.5 ;
+    %end;
+    .thread T_0;
+    .scope S_0x55a34db039a0;
+T_1 ;
+    %wait E_0x55a34db18270;
+    %load/vec4 v0x55a34db444b0_0;
+    %ix/load 5, 2, 0;
+    %flag_set/imm 4, 0;
+    %shiftr 5;
+    %ix/vec4 4;
+    %load/vec4a v0x55a34db43f90, 4;
+    %assign/vec4 v0x55a34db43eb0_0, 0;
+    %load/vec4 v0x55a34db444b0_0;
+    %addi 4, 0, 32;
+    %assign/vec4 v0x55a34db444b0_0, 0;
+    %load/vec4 v0x55a34db43eb0_0;
+    %parti/s 5, 21, 6;
+    %pad/u 7;
+    %ix/vec4 4;
+    %load/vec4a v0x55a34db44590, 4;
+    %assign/vec4 v0x55a34db43970_0, 0;
+    %load/vec4 v0x55a34db43eb0_0;
+    %parti/s 5, 16, 6;
+    %pad/u 7;
+    %ix/vec4 4;
+    %load/vec4a v0x55a34db44590, 4;
+    %assign/vec4 v0x55a34db43a50_0, 0;
+    %load/vec4 v0x55a34db43eb0_0;
+    %assign/vec4 v0x55a34db43b30_0, 0;
+    %load/vec4 v0x55a34db43c10_0;
+    %pushi/vec4 35, 0, 6;
+    %cmp/e;
+    %flag_get/vec4 4;
+    %load/vec4 v0x55a34db43c10_0;
+    %pushi/vec4 43, 0, 6;
+    %cmp/e;
+    %flag_get/vec4 4;
+    %or;
+    %flag_set/vec4 8;
+    %jmp/0xz  T_1.0, 8;
+    %load/vec4 v0x55a34db43970_0;
+    %load/vec4 v0x55a34db43b30_0;
+    %parti/s 1, 15, 5;
+    %replicate 16;
+    %load/vec4 v0x55a34db43b30_0;
+    %parti/s 16, 0, 2;
+    %concat/vec4; draw_concat_vec4
+    %add;
+    %assign/vec4 v0x55a34db434c0_0, 0;
+    %jmp T_1.1;
+T_1.0 ;
+    %load/vec4 v0x55a34db43c10_0;
+    %cmpi/e 0, 0, 6;
+    %jmp/0xz  T_1.2, 4;
+    %load/vec4 v0x55a34db43b30_0;
+    %parti/s 6, 0, 2;
+    %dup/vec4;
+    %pushi/vec4 32, 0, 6;
+    %cmp/u;
+    %jmp/1 T_1.4, 6;
+    %dup/vec4;
+    %pushi/vec4 37, 0, 6;
+    %cmp/u;
+    %jmp/1 T_1.5, 6;
+    %jmp T_1.7;
+T_1.4 ;
+    %load/vec4 v0x55a34db0c970_0;
+    %load/vec4 v0x55a34db43340_0;
+    %add;
+    %assign/vec4 v0x55a34db434c0_0, 0;
+    %jmp T_1.7;
+T_1.5 ;
+    %load/vec4 v0x55a34db0c970_0;
+    %load/vec4 v0x55a34db43340_0;
+    %or;
+    %assign/vec4 v0x55a34db434c0_0, 0;
+    %jmp T_1.7;
+T_1.7 ;
+    %pop/vec4 1;
+T_1.2 ;
+T_1.1 ;
+    %load/vec4 v0x55a34db43b30_0;
+    %assign/vec4 v0x55a34db436d0_0, 0;
+    %load/vec4 v0x55a34db43a50_0;
+    %assign/vec4 v0x55a34db435a0_0, 0;
+    %load/vec4 v0x55a34db437b0_0;
+    %cmpi/e 0, 0, 6;
+    %jmp/0xz  T_1.8, 4;
+    %load/vec4 v0x55a34db434c0_0;
+    %assign/vec4 v0x55a34db44130_0, 0;
+    %jmp T_1.9;
+T_1.8 ;
+    %load/vec4 v0x55a34db437b0_0;
+    %cmpi/e 35, 0, 6;
+    %jmp/0xz  T_1.10, 4;
+    %load/vec4 v0x55a34db434c0_0;
+    %ix/load 5, 2, 0;
+    %flag_set/imm 4, 0;
+    %shiftr 5;
+    %ix/vec4 4;
+    %load/vec4a v0x55a34db43420, 4;
+    %assign/vec4 v0x55a34db44130_0, 0;
+    %jmp T_1.11;
+T_1.10 ;
+    %load/vec4 v0x55a34db437b0_0;
+    %cmpi/e 43, 0, 6;
+    %jmp/0xz  T_1.12, 4;
+    %load/vec4 v0x55a34db435a0_0;
+    %load/vec4 v0x55a34db434c0_0;
+    %ix/load 4, 2, 0;
+    %flag_set/imm 4, 0;
+    %shiftr 4;
+    %ix/vec4 3;
+    %ix/load 4, 0, 0; Constant delay
+    %assign/vec4/a/d v0x55a34db43420, 0, 4;
+T_1.12 ;
+T_1.11 ;
+T_1.9 ;
+    %load/vec4 v0x55a34db436d0_0;
+    %assign/vec4 v0x55a34db44050_0, 0;
+    %load/vec4 v0x55a34db44210_0;
+    %pushi/vec4 0, 0, 6;
+    %cmp/e;
+    %flag_get/vec4 4;
+    %load/vec4 v0x55a34db442f0_0;
+    %pad/u 32;
+    %pushi/vec4 0, 0, 32;
+    %cmp/e;
+    %flag_get/vec4 4;
+    %inv;
+    %and;
+    %flag_set/vec4 8;
+    %jmp/0xz  T_1.14, 8;
+    %load/vec4 v0x55a34db44130_0;
+    %load/vec4 v0x55a34db442f0_0;
+    %pad/u 7;
+    %ix/vec4 3;
+    %ix/load 4, 0, 0; Constant delay
+    %assign/vec4/a/d v0x55a34db44590, 0, 4;
+    %jmp T_1.15;
+T_1.14 ;
+    %load/vec4 v0x55a34db44210_0;
+    %pushi/vec4 35, 0, 6;
+    %cmp/e;
+    %flag_get/vec4 4;
+    %load/vec4 v0x55a34db443d0_0;
+    %pad/u 32;
+    %pushi/vec4 0, 0, 32;
+    %cmp/e;
+    %flag_get/vec4 4;
+    %inv;
+    %and;
+    %flag_set/vec4 8;
+    %jmp/0xz  T_1.16, 8;
+    %load/vec4 v0x55a34db44130_0;
+    %load/vec4 v0x55a34db443d0_0;
+    %pad/u 7;
+    %ix/vec4 3;
+    %ix/load 4, 0, 0; Constant delay
+    %assign/vec4/a/d v0x55a34db44590, 0, 4;
+T_1.16 ;
+T_1.15 ;
+    %jmp T_1;
+    .thread T_1;
+    .scope S_0x55a34db03e40;
+T_2 ;
+    %pushi/vec4 0, 0, 1;
+    %store/vec4 v0x55a34db449f0_0, 0, 1;
+    %pushi/vec4 0, 0, 4;
+    %store/vec4 v0x55a34db44a90_0, 0, 4;
+    %delay 160, 0;
+    %vpi_call 2 20 "$finish" {0 0 0};
+    %end;
+    .thread T_2;
+    .scope S_0x55a34db03e40;
+T_3 ;
+    %delay 5, 0;
+    %load/vec4 v0x55a34db449f0_0;
+    %inv;
+    %store/vec4 v0x55a34db449f0_0, 0, 1;
+    %jmp T_3;
+    .thread T_3;
+    .scope S_0x55a34db03e40;
+T_4 ;
+    %wait E_0x55a34db18270;
+    %load/vec4 v0x55a34db44a90_0;
+    %addi 1, 0, 4;
+    %store/vec4 v0x55a34db44a90_0, 0, 4;
+    %jmp T_4;
+    .thread T_4;
+    .scope S_0x55a34db03e40;
+T_5 ;
+    %wait E_0x55a34db17f80;
+    %vpi_call 2 36 "$display", "\012\012clock cycle = %d", v0x55a34db44a90_0, " (time = %1.0t)", $time {0 0 0};
+    %vpi_call 2 37 "$display", "IF/ID registers\012\011 IF/ID.PC+4 = %h, IF/ID.IR = %h \012", v0x55a34db444b0_0, v0x55a34db43eb0_0 {0 0 0};
+    %vpi_call 2 38 "$display", "ID/EX registers\012\011 ID/EX.rs = %d, ID/EX.rt = %d", v0x55a34db43cf0_0, v0x55a34db43dd0_0, "\012\011 ID/EX.A = %h, ID/EX.B = %h", v0x55a34db43970_0, v0x55a34db43a50_0 {0 0 0};
+    %vpi_call 2 39 "$display", "\011 ID/EX.op = %h\012", v0x55a34db43c10_0 {0 0 0};
+    %vpi_call 2 40 "$display", "EX/MEM registers\012\011 EX/MEM.rs = %d, EX/MEM.rt = %d", v0x55a34db43cf0_0, v0x55a34db43dd0_0, "\012\011 EX/MEM.ALUOut = %h, EX/MEM.ALUout = %h", v0x55a34db434c0_0, v0x55a34db435a0_0 {0 0 0};
+    %vpi_call 2 41 "$display", "\011 EX/MEM.op = %h\012", v0x55a34db437b0_0 {0 0 0};
+    %vpi_call 2 42 "$display", "MEM/WB registers\012\011 MEM/WB.rd = %d, MEM/WB.rt = %d", v0x55a34db442f0_0, v0x55a34db443d0_0, "\012\011 MEM/WB.value = %h", v0x55a34db44130_0 {0 0 0};
+    %vpi_call 2 43 "$display", "\011 EX/MEM.op = %h\012", v0x55a34db44210_0 {0 0 0};
+    %jmp T_5;
+    .thread T_5;
+    .scope S_0x55a34db03e40;
+T_6 ;
+    %vpi_call 2 49 "$dumpfile", "test_mipspipe.vcd" {0 0 0};
+    %vpi_call 2 50 "$dumpvars" {0 0 0};
+    %end;
+    .thread T_6;
+# The file index is used to find the file name in the following table.
+:file_names 4;
+    "N/A";
+    "<interactive>";
+    "test_mipspipe.v";
+    "./mipspipe.v";
diff --git a/ee4363/mp1/test_mipspipe.v b/ee4363/mp1/mp12/test_mipspipe.v
index 24576ec..24576ec 100644
--- a/ee4363/mp1/test_mipspipe.v
+++ b/ee4363/mp1/mp12/test_mipspipe.v
diff --git a/ee4363/mp1/mp12/test_mipspipe.vcd b/ee4363/mp1/mp12/test_mipspipe.vcd
new file mode 100644
index 0000000..2cda5d0
--- /dev/null
+++ b/ee4363/mp1/mp12/test_mipspipe.vcd
@@ -0,0 +1,267 @@
+$date
+	Thu Dec  3 09:49:50 2020
+$end
+$version
+	Icarus Verilog
+$end
+$timescale
+	1s
+$end
+$scope module test_mipspipe $end
+$var reg 1 ! clock $end
+$var reg 4 " clock_cycle [3:0] $end
+$scope module u_mipspipe $end
+$var wire 32 # Ain [31:0] $end
+$var wire 32 $ Bin [31:0] $end
+$var wire 1 ! clock $end
+$var wire 5 % MEMWBrt [4:0] $end
+$var wire 5 & MEMWBrd [4:0] $end
+$var wire 6 ' MEMWBop [5:0] $end
+$var wire 5 ( IDEXrt [4:0] $end
+$var wire 5 ) IDEXrs [4:0] $end
+$var wire 6 * IDEXop [5:0] $end
+$var wire 5 + EXMEMrd [4:0] $end
+$var wire 6 , EXMEMop [5:0] $end
+$var reg 32 - EXMEMALUOut [31:0] $end
+$var reg 32 . EXMEMB [31:0] $end
+$var reg 32 / EXMEMIR [31:0] $end
+$var reg 32 0 IDEXA [31:0] $end
+$var reg 32 1 IDEXB [31:0] $end
+$var reg 32 2 IDEXIR [31:0] $end
+$var reg 32 3 IFIDIR [31:0] $end
+$var reg 32 4 MEMWBIR [31:0] $end
+$var reg 32 5 MEMWBValue [31:0] $end
+$var reg 32 6 PC [31:0] $end
+$var reg 6 7 i [5:0] $end
+$var reg 11 8 j [10:0] $end
+$var reg 11 9 k [10:0] $end
+$upscope $end
+$upscope $end
+$enddefinitions $end
+#0
+$dumpvars
+b10000000000 9
+b10000000000 8
+b100000 7
+b0 6
+bx 5
+b100000 4
+b100000 3
+b100000 2
+bx 1
+bx 0
+b100000 /
+bx .
+bx -
+b0 ,
+b0 +
+b0 *
+b0 )
+b0 (
+b0 '
+b0 &
+b0 %
+bx $
+bx #
+b0 "
+0!
+$end
+#5
+b0 $
+b0 1
+b0 #
+b0 0
+b100 6
+b10000010010100000100000 3
+b1 "
+1!
+#10
+0!
+#15
+b10 )
+b1 (
+b0 .
+b0 -
+b10000010010100000100000 2
+b1 $
+b1 1
+b10 #
+b10 0
+b1000 6
+b10001100101000110000000000000100 3
+b10 "
+1!
+#20
+0!
+#25
+b101 +
+b101 )
+b11 (
+b100011 *
+b0 5
+b1 .
+b10000010010100000100000 /
+b11 -
+b10001100101000110000000000000100 2
+b11 $
+b11 1
+b101 #
+b101 0
+b1100 6
+b10001100010000100000000000000000 3
+b11 "
+1!
+#30
+0!
+#35
+b101 &
+b1 %
+b0 +
+b100011 ,
+b10 )
+b10 (
+b10000010010100000100000 4
+b11 5
+b11 .
+b10001100101000110000000000000100 /
+b1001 -
+b10001100010000100000000000000000 2
+b10 $
+b10 1
+b10 #
+b10 0
+b10000 6
+b101000110001100000100101 3
+b100 "
+1!
+#40
+0!
+#45
+b0 &
+b11 %
+b100011 '
+b101 )
+b11 (
+b0 *
+b10001100101000110000000000000100 4
+b0 5
+b10 .
+b10001100010000100000000000000000 /
+b10 -
+b101000110001100000100101 2
+b11 $
+b11 1
+b101 #
+b101 0
+b10100 6
+b10101100101000110000000000000000 3
+b101 "
+1!
+#50
+0!
+#55
+b10 %
+b11 +
+b0 ,
+b101011 *
+b10001100010000100000000000000000 4
+b11 .
+b101000110001100000100101 /
+b111 -
+b10101100101000110000000000000000 2
+b11 #
+b11 0
+b11000 6
+b100000 3
+b110 "
+1!
+#60
+0!
+#65
+b11 &
+b11 %
+b0 '
+b0 +
+b101011 ,
+b0 )
+b0 (
+b0 *
+b101000110001100000100101 4
+b111 5
+b10101100101000110000000000000000 /
+b11 -
+b100000 2
+b0 $
+b0 1
+b0 #
+b0 0
+b11100 6
+b111 "
+1!
+#70
+0!
+#75
+b0 &
+b101011 '
+b0 ,
+b10101100101000110000000000000000 4
+b0 .
+b100000 /
+b0 -
+b100000 6
+b1000 "
+1!
+#80
+0!
+#85
+b0 %
+b0 '
+b100000 4
+b0 5
+b100100 6
+b1001 "
+1!
+#90
+0!
+#95
+b101000 6
+b1010 "
+1!
+#100
+0!
+#105
+b101100 6
+b1011 "
+1!
+#110
+0!
+#115
+b110000 6
+b1100 "
+1!
+#120
+0!
+#125
+b110100 6
+b1101 "
+1!
+#130
+0!
+#135
+b111000 6
+b1110 "
+1!
+#140
+0!
+#145
+b111100 6
+b1111 "
+1!
+#150
+0!
+#155
+b1000000 6
+b0 "
+1!
+#160
+0!
diff --git a/ee4363/mp1/out b/ee4363/mp1/out
deleted file mode 100644
index b57aa85..0000000
--- a/ee4363/mp1/out
+++ /dev/null
@@ -1,152 +0,0 @@
-#! /usr/bin/vvp
-:ivl_version "10.3 (stable)";
-:ivl_delay_selection "TYPICAL";
-:vpi_time_precision - 10;
-:vpi_module "system";
-:vpi_module "vhdl_sys";
-:vpi_module "v2005_math";
-:vpi_module "va_math";
-S_0x558b9129cd10 .scope module, "test_mipsalu" "test_mipsalu" 2 8;
- .timescale -9 -10;
-v0x558b912b2050_0 .var "A", 31 0;
-v0x558b912b2130_0 .net "ALUOut", 31 0, v0x558b912b1b10_0;  1 drivers
-v0x558b912b2200_0 .var "ALUctl", 3 0;
-v0x558b912b2300_0 .var "B", 31 0;
-v0x558b912b23d0_0 .net "Zero", 0 0, L_0x558b912c2530;  1 drivers
-S_0x558b9129ce90 .scope module, "U0" "MIPSALU" 2 19, 3 1 0, S_0x558b9129cd10;
- .timescale -9 -10;
-    .port_info 0 /INPUT 4 "ALUctl"
-    .port_info 1 /INPUT 32 "A"
-    .port_info 2 /INPUT 32 "B"
-    .port_info 3 /OUTPUT 32 "ALUOut"
-    .port_info 4 /OUTPUT 1 "Zero"
-v0x558b91265130_0 .net "A", 31 0, v0x558b912b2050_0;  1 drivers
-v0x558b912b1b10_0 .var "ALUOut", 31 0;
-v0x558b912b1bf0_0 .net "ALUctl", 3 0, v0x558b912b2200_0;  1 drivers
-v0x558b912b1ce0_0 .net "B", 31 0, v0x558b912b2300_0;  1 drivers
-v0x558b912b1dc0_0 .net "Zero", 0 0, L_0x558b912c2530;  alias, 1 drivers
-L_0x7f2d75820018 .functor BUFT 1, C4<00000000000000000000000000000000>, C4<0>, C4<0>, C4<0>;
-v0x558b912b1ed0_0 .net/2u *"_s0", 31 0, L_0x7f2d75820018;  1 drivers
-E_0x558b9129a7b0 .event edge, v0x558b912b1ce0_0, v0x558b91265130_0, v0x558b912b1bf0_0;
-L_0x558b912c2530 .cmp/eq 32, v0x558b912b1b10_0, L_0x7f2d75820018;
-    .scope S_0x558b9129ce90;
-T_0 ;
-    %wait E_0x558b9129a7b0;
-    %load/vec4 v0x558b912b1bf0_0;
-    %dup/vec4;
-    %pushi/vec4 0, 0, 4;
-    %cmp/u;
-    %jmp/1 T_0.0, 6;
-    %dup/vec4;
-    %pushi/vec4 1, 0, 4;
-    %cmp/u;
-    %jmp/1 T_0.1, 6;
-    %dup/vec4;
-    %pushi/vec4 2, 0, 4;
-    %cmp/u;
-    %jmp/1 T_0.2, 6;
-    %dup/vec4;
-    %pushi/vec4 6, 0, 4;
-    %cmp/u;
-    %jmp/1 T_0.3, 6;
-    %dup/vec4;
-    %pushi/vec4 7, 0, 4;
-    %cmp/u;
-    %jmp/1 T_0.4, 6;
-    %dup/vec4;
-    %pushi/vec4 12, 0, 4;
-    %cmp/u;
-    %jmp/1 T_0.5, 6;
-    %pushi/vec4 0, 0, 32;
-    %assign/vec4 v0x558b912b1b10_0, 0;
-    %jmp T_0.7;
-T_0.0 ;
-    %load/vec4 v0x558b91265130_0;
-    %load/vec4 v0x558b912b1ce0_0;
-    %and;
-    %assign/vec4 v0x558b912b1b10_0, 0;
-    %jmp T_0.7;
-T_0.1 ;
-    %load/vec4 v0x558b91265130_0;
-    %load/vec4 v0x558b912b1ce0_0;
-    %or;
-    %assign/vec4 v0x558b912b1b10_0, 0;
-    %jmp T_0.7;
-T_0.2 ;
-    %load/vec4 v0x558b91265130_0;
-    %load/vec4 v0x558b912b1ce0_0;
-    %add;
-    %assign/vec4 v0x558b912b1b10_0, 0;
-    %jmp T_0.7;
-T_0.3 ;
-    %load/vec4 v0x558b91265130_0;
-    %load/vec4 v0x558b912b1ce0_0;
-    %sub;
-    %assign/vec4 v0x558b912b1b10_0, 0;
-    %jmp T_0.7;
-T_0.4 ;
-    %load/vec4 v0x558b91265130_0;
-    %load/vec4 v0x558b912b1ce0_0;
-    %cmp/u;
-    %flag_mov 8, 5;
-    %jmp/0 T_0.8, 8;
-    %pushi/vec4 1, 0, 32;
-    %jmp/1 T_0.9, 8;
-T_0.8 ; End of true expr.
-    %pushi/vec4 0, 0, 32;
-    %jmp/0 T_0.9, 8;
- ; End of false expr.
-    %blend;
-T_0.9;
-    %assign/vec4 v0x558b912b1b10_0, 0;
-    %jmp T_0.7;
-T_0.5 ;
-    %load/vec4 v0x558b91265130_0;
-    %load/vec4 v0x558b912b1ce0_0;
-    %or;
-    %inv;
-    %assign/vec4 v0x558b912b1b10_0, 0;
-    %jmp T_0.7;
-T_0.7 ;
-    %pop/vec4 1;
-    %jmp T_0;
-    .thread T_0, $push;
-    .scope S_0x558b9129cd10;
-T_1 ;
-    %pushi/vec4 1431655765, 0, 32;
-    %store/vec4 v0x558b912b2050_0, 0, 32;
-    %pushi/vec4 1431655765, 0, 32;
-    %store/vec4 v0x558b912b2300_0, 0, 32;
-    %delay 100, 0;
-    %pushi/vec4 0, 0, 4;
-    %store/vec4 v0x558b912b2200_0, 0, 4;
-    %delay 100, 0;
-    %pushi/vec4 1, 0, 4;
-    %store/vec4 v0x558b912b2200_0, 0, 4;
-    %delay 100, 0;
-    %pushi/vec4 2, 0, 4;
-    %store/vec4 v0x558b912b2200_0, 0, 4;
-    %delay 100, 0;
-    %pushi/vec4 6, 0, 4;
-    %store/vec4 v0x558b912b2200_0, 0, 4;
-    %delay 100, 0;
-    %vpi_call 2 32 "$finish" {0 0 0};
-    %end;
-    .thread T_1;
-    .scope S_0x558b9129cd10;
-T_2 ;
-    %vpi_call 2 38 "$monitor", $time, " A = %h", v0x558b912b2050_0, " B = %h", v0x558b912b2300_0, " ALUOut = %h", v0x558b912b2130_0, " Zero = %b", v0x558b912b23d0_0 {0 0 0};
-    %end;
-    .thread T_2;
-    .scope S_0x558b9129cd10;
-T_3 ;
-    %vpi_call 2 43 "$dumpfile", "MIPSAlu.vcd" {0 0 0};
-    %vpi_call 2 44 "$dumpvars" {0 0 0};
-    %end;
-    .thread T_3;
-# The file index is used to find the file name in the following table.
-:file_names 4;
-    "N/A";
-    "<interactive>";
-    "test_mipsalu.v";
-    "./MIPSALU.v";