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exe_mem_register.v
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exe_mem_register.v
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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 21:46:17 05/22/2019
// Design Name:
// Module Name: exe_mem_register
// Project Name:
// Target Devices:
// Tool versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module exe_mem_register(clk,clrn,
exe_wreg,exe_m2reg,exe_wmem,exe_alu,exe_b,exe_rn,exe_z,
mem_wreg,mem_m2reg,mem_wmem,mem_alu,mem_b,mem_rn,mem_z
);
input [31:0] exe_alu,exe_b; //exe_b-在store指令的情况下需要将rt写入存储器
input [4:0] exe_rn;
input exe_wreg,exe_m2reg,exe_wmem,exe_z;
input clk,clrn;
output [31:0] mem_alu,mem_b;
output [4:0] mem_rn;
output mem_wreg,mem_m2reg,mem_wmem,mem_z;
reg [31:0] mem_alu,mem_b;
reg [4:0] mem_rn;
reg mem_wreg,mem_m2reg,mem_wmem,mem_z;
always @(negedge clrn or posedge clk)
if(clrn==0)
begin
mem_wreg<=0; mem_m2reg<=0;
mem_wmem<=0; mem_alu<=0;
mem_b<=0; mem_rn<=0;
mem_z<=0;
end
else
begin
mem_wreg<=exe_wreg; mem_m2reg<=exe_m2reg;
mem_wmem<=exe_wmem; mem_alu<=exe_alu;
mem_b<=exe_b; mem_rn<=exe_rn;
mem_z<=exe_z;
end
endmodule