do machine problem

1 files changed, 18 insertions, 0 deletions

diff --git a/ee4363/mp1/mp11/MIPSALU.v b/ee4363/mp1/mp11/MIPSALU.v
new file mode 100644
index 0000000..096aff5
--- /dev/null
+++ b/ee4363/mp1/mp11/MIPSALU.v
@@ -0,0 +1,18 @@
+module MIPSALU (ALUctl, A, B, ALUOut, Zero);
+  input [3:0] ALUctl;
+  input [31:0] A,B;
+  output reg [31:0] ALUOut;
+  output Zero;
+  assign Zero = (ALUOut==0); 
+  always @(ALUctl, A, B)
+      case (ALUctl)
+         0: ALUOut <= A & B;
+         1: ALUOut <= A | B;
+         2: ALUOut <= A + B;
+         6: ALUOut <= A - B;
+         7: ALUOut <= A < B ? 1:0;
+         12: ALUOut <= ~(A | B);          
+		 default: ALUOut <= 0; 
+      endcase
+endmodule
+