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Exp4/Exp4.srcs/sources_1/new/calc.v

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+`timescale 1ns / 1ps
+//////////////////////////////////////////////////////////////////////////////////
+// Company: 
+// Engineer: 
+// 
+// Create Date: 2024/10/31 10:43:01
+// Design Name: 
+// Module Name: calc
+// Project Name: 
+// Target Devices: 
+// Tool Versions: 
+// Description: 
+// 
+// Dependencies: 
+// 
+// Revision:
+// Revision 0.01 - File Created
+// Additional Comments:
+// 
+//////////////////////////////////////////////////////////////////////////////////
+
+
+module calc(
+    input [3:0] data1,
+    input [3:0] data2,
+    input [4:0] type,
+    input clk,
+    output reg [4:0] result,
+    output wire [6:0] seg,
+    output reg [3:0] seg_cs
+);
+reg [4:0] stored_type = 5'b00000;
+wire [4:0] judge_result;
+wire [4:0] operation_result;
+judge run (.data1(data1), .data2(data2), .result(judge_result));
+always @(posedge clk) begin
+    if (type != 5'b00000) stored_type <= type;
+end
+always @(*) begin
+    case (stored_type)
+        5'b10000: result = data1 + data2;
+        5'b01000: result = data1 & data2;
+        5'b00100: result = data1 | data2;
+        5'b00010: result = data1 ^ data2;
+        5'b00001: result = judge_result;
+        default: result = 5'b00000;
+    endcase
+    seg_cs = (stored_type != 5'b00000) ? 4'b0001 : 4'b0000;
+end
+SegDisplayCtrl unit (.type(stored_type), .seg(seg));
+endmodule