class mcureg_trans; 

  rand bit[3  :0] wrmask		     ;
  rand bit[2  :0] fb_st_info	     ;
  rand bit[31 :0] run_time		     ;
  rand bit[31 :0] instr_num		     ;
  rand bit[31 :0] mcu_param[3:0]     ;          // MCU parameter 0~3

  rand bit[31 :0] wrmask_time		 ;
  rand bit[31 :0] fb_st_info_time	 ;
  rand bit[31 :0] run_time_time		 ;
  rand bit[31 :0] instr_num_time	 ;
  rand bit[31 :0] mcu_param_time[3:0];

  rand bit[31 :0] mcu_result  [3:0]  ;          // MCU result 0~3
  rand bit[31 :0] mcu_cwfr    [3:0]  ;          // Carrier frequency ctrl word 0~3
  rand bit[31 :0] mcu_gapr    [7:0]  ;          // Carrier phase     ctrl word 0~3
  rand bit[31 :0] mcu_ampr    [3:0]  ;          // Carrier Amplitude           0~3
  rand bit[31 :0] mcu_baisr   [3:0]  ;          // Carrier Bais                0~3
  rand bit[1  :0] mcu_intp_sel       ;	   //2'b00:HBF;2'b01:Nearest-neighbor interpolator;
  rand bit        mcu_nco_pha_clr	 ;
  rand bit[15 :0] mcu_rz_pha		 ;

constraint cstr {
  wrmask		        == 4'b1111;
  wrmask_time		    >=  0     ;
  fb_st_info_time 	    >=  0     ;
  run_time_time	  	    >=  0     ;
  instr_num_time  	    >=  0     ;
  mcu_param_time[0]   	>=  0     ;
  mcu_param_time[1]   	>=  0     ;
  mcu_param_time[2]   	>=  0     ;
  mcu_param_time[3]   	>=  0     ;
  wrmask_time		    <= 2000	  ; 
  fb_st_info_time   	<= 2000	  ;
  run_time_time	    	<= 2000	  ;
  instr_num_time    	<= 2000   ;
  mcu_param_time[0]   	<= 2000	  ;
  mcu_param_time[1]   	<= 2000	  ;
  mcu_param_time[2]   	<= 2000	  ;
  mcu_param_time[3]   	<= 2000	  ;   
}

  function new();
  endfunction

  function bit[7:0] compare(mcureg_trans tr);
    bit[7:0] result=8'b0;
    if(tr.mcu_result       != mcu_result     ) result[0]=1'b1;
    if(tr.mcu_cwfr         != mcu_cwfr	     ) result[1]=1'b1;
    if(tr.mcu_gapr         != mcu_gapr	     ) result[2]=1'b1;
    if(tr.mcu_ampr         != mcu_ampr	     ) result[3]=1'b1;
    if(tr.mcu_baisr        != mcu_baisr	     ) result[4]=1'b1;
    if(tr.mcu_intp_sel     != mcu_intp_sel	 ) result[5]=1'b1;
    if(tr.mcu_nco_pha_clr  != mcu_nco_pha_clr) result[6]=1'b1;
    if(tr.mcu_rz_pha       != mcu_rz_pha	 ) result[7]=1'b1;
    return result;
  endfunction

  function print(bit[7:0] ctrl,integer fid);
    if(ctrl[0]) begin
	    $fwrite(fid,"mcu_result0      =%b\n",mcu_result[0]	);
    	$fwrite(fid,"mcu_result1      =%b\n",mcu_result[1]	);
    	$fwrite(fid,"mcu_result2      =%b\n",mcu_result[2]	);
    	$fwrite(fid,"mcu_result3      =%b\n",mcu_result[3]	);
    end
    if(ctrl[1]) begin
    	$fwrite(fid,"mcu_cwfr0        =%b\n",mcu_cwfr[0]	);
    	$fwrite(fid,"mcu_cwfr1        =%b\n",mcu_cwfr[1]	);
    	$fwrite(fid,"mcu_cwfr2        =%b\n",mcu_cwfr[2]	);
    	$fwrite(fid,"mcu_cwfr3        =%b\n",mcu_cwfr[3]	);
    end
    if(ctrl[2]) begin
    	$fwrite(fid,"mcu_gapr0        =%b\n",mcu_gapr[0]	);
    	$fwrite(fid,"mcu_gapr1        =%b\n",mcu_gapr[1]	);
    	$fwrite(fid,"mcu_gapr2        =%b\n",mcu_gapr[2]	);
    	$fwrite(fid,"mcu_gapr3        =%b\n",mcu_gapr[3]	);
    	$fwrite(fid,"mcu_gapr4        =%b\n",mcu_gapr[4]	);
    	$fwrite(fid,"mcu_gapr5        =%b\n",mcu_gapr[5]	);
    	$fwrite(fid,"mcu_gapr6        =%b\n",mcu_gapr[6]	);
    	$fwrite(fid,"mcu_gapr7        =%b\n",mcu_gapr[7]	);
    end
    if(ctrl[3]) begin
    	$fwrite(fid,"mcu_ampr0        =%b\n",mcu_ampr[0]	);
    	$fwrite(fid,"mcu_ampr1        =%b\n",mcu_ampr[1]	);
    	$fwrite(fid,"mcu_ampr2        =%b\n",mcu_ampr[2]	);
    	$fwrite(fid,"mcu_ampr3        =%b\n",mcu_ampr[3]	);
    end
    if(ctrl[4]) begin
    	$fwrite(fid,"mcu_baisr0       =%b\n",mcu_baisr[0]	);
    	$fwrite(fid,"mcu_baisr1       =%b\n",mcu_baisr[1]	);
    	$fwrite(fid,"mcu_baisr2       =%b\n",mcu_baisr[2]	);
    	$fwrite(fid,"mcu_baisr3       =%b\n",mcu_baisr[3]	);
    end
    if(ctrl[5]) $fwrite(fid,"mcu_intp_sel     =%b\n",mcu_intp_sel	);
    if(ctrl[6]) $fwrite(fid,"mcu_nco_pha_clr  =%b\n",mcu_nco_pha_clr);
    if(ctrl[7]) $fwrite(fid,"mcu_rz_pha       =%b\n",mcu_rz_pha		);
  endfunction

endclass : mcureg_trans