`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