module decode
import riscv_types::*;
#(
  )
  (
    input  logic        clk,
    input  logic        rst_l,

    // I-MEM Interface
    input  logic [31:0] imem_id_instr_ID
  );

opcode_t instrOpCode_ID;

assign instrOpCode_ID = opcode_t'(imem_id_instr_ID[6:0]);

always_ff @(posedge clk) begin
  $display("Instruction: %x", imem_id_instr_ID);
  case (instrOpCode_ID)
    INSTR_TYPE_LUI:    begin $display("Instr type: LUI"); end
    INSTR_TYPE_AUIPC:  begin $display("Instr type: AUIPC"); end
    INSTR_TYPE_JAL:    begin $display("Instr type: JAL"); end
    INSTR_TYPE_JALR:   begin $display("Instr type: JALR"); end
    INSTR_TYPE_BR:     begin $display("Instr type: BR"); end
    INSTR_TYPE_LD:     begin $display("Instr type: LD"); end
    INSTR_TYPE_ST:     begin $display("Instr type: ST"); end
    INSTR_TYPE_IMM:    begin $display("Instr type: IMM"); end
    INSTR_TYPE_REG:    begin $display("Instr type: REG"); end
    INSTR_TYPE_CSR:    begin $display("Instr type: CSR"); end
    default:           begin $display("Instr type: Unknown"); end
  endcase
end

endmodule