1 | // ========== Copyright Header Begin ========================================== |
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2 | // |
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3 | // OpenSPARC T1 Processor File: bw_r_rf16x160.v |
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4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
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5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
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6 | // |
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7 | // The above named program is free software; you can redistribute it and/or |
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8 | // modify it under the terms of the GNU General Public |
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9 | // License version 2 as published by the Free Software Foundation. |
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10 | // |
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11 | // The above named program is distributed in the hope that it will be |
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12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | // General Public License for more details. |
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15 | // |
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16 | // You should have received a copy of the GNU General Public |
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17 | // License along with this work; if not, write to the Free Software |
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18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
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19 | // |
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20 | // ========== Copyright Header End ============================================ |
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21 | //////////////////////////////////////////////////////////////////////// |
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22 | // 16 X 160 R1 W1 RF macro |
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23 | // REad/Write ports can be accessed in PH1 only. |
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24 | //////////////////////////////////////////////////////////////////////// |
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25 | |
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26 | //FPGA_SYN enables all FPGA related modifications |
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27 | `ifdef FPGA_SYN |
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28 | `define FPGA_SYN_16x160 |
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29 | `endif |
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30 | |
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31 | module bw_r_rf16x160(/*AUTOARG*/ |
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32 | // Outputs |
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33 | dout, so_w, so_r, |
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34 | // Inputs |
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35 | din, rd_adr, wr_adr, read_en, wr_en, rst_tri_en, word_wen, |
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36 | byte_wen, rd_clk, wr_clk, se, si_r, si_w, reset_l, sehold |
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37 | ); |
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38 | |
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39 | input [159:0] din; // data input |
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40 | input [3:0] rd_adr; // read addr |
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41 | input [3:0] wr_adr; // write addr |
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42 | input read_en; |
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43 | input wr_en; // used in conjunction with |
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44 | // word_wen and byte_wen |
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45 | input rst_tri_en ; // gates off writes during SCAN. |
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46 | input [3:0] word_wen; // word enables ( if you don't use these |
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47 | // tie them to Vdd ) |
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48 | input [19:0] byte_wen; // byte enables ( if you don't use these |
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49 | // tie them to Vdd ) |
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50 | input rd_clk; |
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51 | input wr_clk; |
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52 | input se, si_r, si_w ; |
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53 | input reset_l; |
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54 | input sehold; // hold scan in data. |
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55 | |
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56 | output [159:0] dout; |
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57 | output so_w; |
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58 | output so_r; |
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59 | |
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60 | |
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61 | // local signals |
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62 | reg [159:0] wrdata_d1; |
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63 | |
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64 | reg [3:0] rdptr_d1, wrptr_d1; |
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65 | reg ren_d1; |
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66 | reg wr_en_d1; |
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67 | |
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68 | |
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69 | `ifdef DEFINE_0IN |
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70 | wire so; |
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71 | `else |
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72 | wire so; |
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73 | |
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74 | `ifdef FPGA_SYN_16x160 |
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75 | `else |
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76 | reg [159:0] dout; |
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77 | // memory array |
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78 | reg [159:0] inq_ary [15:0]; |
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79 | `endif |
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80 | `endif |
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81 | |
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82 | // internal variable |
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83 | integer i, j; |
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84 | reg [159:0] temp, data_in, tmp_dout; |
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85 | reg [3:0] word_wen_d1; |
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86 | reg [3:0] word_wen_d2; |
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87 | reg [19:0] byte_wen_d1; |
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88 | reg rst_tri_en_d1; |
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89 | |
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90 | |
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91 | //------- |
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92 | |
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93 | always @ (posedge wr_clk) |
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94 | begin |
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95 | wrdata_d1[159:0] <= (sehold) ? wrdata_d1[159:0] : din[159:0]; |
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96 | wr_en_d1 <= (sehold) ? wr_en_d1 : wr_en; |
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97 | word_wen_d1[3:0] <= (sehold) ? word_wen_d1[3:0] : word_wen[3:0]; |
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98 | word_wen_d2[3:0] <= (sehold) ? word_wen_d2[3:0] : (word_wen[3:0] & |
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99 | {4{wr_en & ~rst_tri_en}}); |
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100 | byte_wen_d1[19:0] <= (sehold) ? byte_wen_d1[19:0] : byte_wen[19:0]; |
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101 | wrptr_d1[3:0] <= (sehold) ? wrptr_d1[3:0] : wr_adr[3:0]; |
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102 | |
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103 | rst_tri_en_d1 <= rst_tri_en ; // not a real flop. ONly used as a trigger. |
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104 | end |
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105 | //------- |
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106 | |
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107 | |
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108 | `ifdef DEFINE_0IN |
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109 | wire [159:0] bit_en_d1; |
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110 | |
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111 | assign bit_en_d1[0] = word_wen_d1[0] & byte_wen_d1[0] & ~rst_tri_en; |
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112 | assign bit_en_d1[1] = word_wen_d1[1] & byte_wen_d1[0] & ~rst_tri_en; |
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113 | assign bit_en_d1[2] = word_wen_d1[2] & byte_wen_d1[0] & ~rst_tri_en; |
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114 | assign bit_en_d1[3] = word_wen_d1[3] & byte_wen_d1[0] & ~rst_tri_en; |
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115 | assign bit_en_d1[4] = word_wen_d1[0] & byte_wen_d1[0] & ~rst_tri_en; |
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116 | assign bit_en_d1[5] = word_wen_d1[1] & byte_wen_d1[0] & ~rst_tri_en; |
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117 | assign bit_en_d1[6] = word_wen_d1[2] & byte_wen_d1[0] & ~rst_tri_en; |
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118 | assign bit_en_d1[7] = word_wen_d1[3] & byte_wen_d1[0] & ~rst_tri_en; |
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119 | assign bit_en_d1[8] = word_wen_d1[0] & byte_wen_d1[1] & ~rst_tri_en; |
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120 | assign bit_en_d1[9] = word_wen_d1[1] & byte_wen_d1[1] & ~rst_tri_en; |
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121 | assign bit_en_d1[10] = word_wen_d1[2] & byte_wen_d1[1] & ~rst_tri_en; |
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122 | assign bit_en_d1[11] = word_wen_d1[3] & byte_wen_d1[1] & ~rst_tri_en; |
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123 | assign bit_en_d1[12] = word_wen_d1[0] & byte_wen_d1[1] & ~rst_tri_en; |
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124 | assign bit_en_d1[13] = word_wen_d1[1] & byte_wen_d1[1] & ~rst_tri_en; |
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125 | assign bit_en_d1[14] = word_wen_d1[2] & byte_wen_d1[1] & ~rst_tri_en; |
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126 | assign bit_en_d1[15] = word_wen_d1[3] & byte_wen_d1[1] & ~rst_tri_en; |
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127 | assign bit_en_d1[16] = word_wen_d1[0] & byte_wen_d1[2] & ~rst_tri_en; |
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128 | assign bit_en_d1[17] = word_wen_d1[1] & byte_wen_d1[2] & ~rst_tri_en; |
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129 | assign bit_en_d1[18] = word_wen_d1[2] & byte_wen_d1[2] & ~rst_tri_en; |
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130 | assign bit_en_d1[19] = word_wen_d1[3] & byte_wen_d1[2] & ~rst_tri_en; |
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131 | assign bit_en_d1[20] = word_wen_d1[0] & byte_wen_d1[2] & ~rst_tri_en; |
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132 | assign bit_en_d1[21] = word_wen_d1[1] & byte_wen_d1[2] & ~rst_tri_en; |
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133 | assign bit_en_d1[22] = word_wen_d1[2] & byte_wen_d1[2] & ~rst_tri_en; |
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134 | assign bit_en_d1[23] = word_wen_d1[3] & byte_wen_d1[2] & ~rst_tri_en; |
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135 | assign bit_en_d1[24] = word_wen_d1[0] & byte_wen_d1[3] & ~rst_tri_en; |
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136 | assign bit_en_d1[25] = word_wen_d1[1] & byte_wen_d1[3] & ~rst_tri_en; |
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137 | assign bit_en_d1[26] = word_wen_d1[2] & byte_wen_d1[3] & ~rst_tri_en; |
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138 | assign bit_en_d1[27] = word_wen_d1[3] & byte_wen_d1[3] & ~rst_tri_en; |
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139 | assign bit_en_d1[28] = word_wen_d1[0] & byte_wen_d1[3] & ~rst_tri_en; |
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140 | assign bit_en_d1[29] = word_wen_d1[1] & byte_wen_d1[3] & ~rst_tri_en; |
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141 | assign bit_en_d1[30] = word_wen_d1[2] & byte_wen_d1[3] & ~rst_tri_en; |
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142 | assign bit_en_d1[31] = word_wen_d1[3] & byte_wen_d1[3] & ~rst_tri_en; |
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143 | assign bit_en_d1[32] = word_wen_d1[0] & byte_wen_d1[4] & ~rst_tri_en; |
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144 | assign bit_en_d1[33] = word_wen_d1[1] & byte_wen_d1[4] & ~rst_tri_en; |
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145 | assign bit_en_d1[34] = word_wen_d1[2] & byte_wen_d1[4] & ~rst_tri_en; |
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146 | assign bit_en_d1[35] = word_wen_d1[3] & byte_wen_d1[4] & ~rst_tri_en; |
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147 | assign bit_en_d1[36] = word_wen_d1[0] & byte_wen_d1[4] & ~rst_tri_en; |
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148 | assign bit_en_d1[37] = word_wen_d1[1] & byte_wen_d1[4] & ~rst_tri_en; |
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149 | assign bit_en_d1[38] = word_wen_d1[2] & byte_wen_d1[4] & ~rst_tri_en; |
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150 | assign bit_en_d1[39] = word_wen_d1[3] & byte_wen_d1[4] & ~rst_tri_en; |
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151 | assign bit_en_d1[40] = word_wen_d1[0] & byte_wen_d1[5] & ~rst_tri_en; |
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152 | assign bit_en_d1[41] = word_wen_d1[1] & byte_wen_d1[5] & ~rst_tri_en; |
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153 | assign bit_en_d1[42] = word_wen_d1[2] & byte_wen_d1[5] & ~rst_tri_en; |
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154 | assign bit_en_d1[43] = word_wen_d1[3] & byte_wen_d1[5] & ~rst_tri_en; |
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155 | assign bit_en_d1[44] = word_wen_d1[0] & byte_wen_d1[5] & ~rst_tri_en; |
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156 | assign bit_en_d1[45] = word_wen_d1[1] & byte_wen_d1[5] & ~rst_tri_en; |
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157 | assign bit_en_d1[46] = word_wen_d1[2] & byte_wen_d1[5] & ~rst_tri_en; |
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158 | assign bit_en_d1[47] = word_wen_d1[3] & byte_wen_d1[5] & ~rst_tri_en; |
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159 | assign bit_en_d1[48] = word_wen_d1[0] & byte_wen_d1[6] & ~rst_tri_en; |
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160 | assign bit_en_d1[49] = word_wen_d1[1] & byte_wen_d1[6] & ~rst_tri_en; |
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161 | assign bit_en_d1[50] = word_wen_d1[2] & byte_wen_d1[6] & ~rst_tri_en; |
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162 | assign bit_en_d1[51] = word_wen_d1[3] & byte_wen_d1[6] & ~rst_tri_en; |
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163 | assign bit_en_d1[52] = word_wen_d1[0] & byte_wen_d1[6] & ~rst_tri_en; |
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164 | assign bit_en_d1[53] = word_wen_d1[1] & byte_wen_d1[6] & ~rst_tri_en; |
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165 | assign bit_en_d1[54] = word_wen_d1[2] & byte_wen_d1[6] & ~rst_tri_en; |
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166 | assign bit_en_d1[55] = word_wen_d1[3] & byte_wen_d1[6] & ~rst_tri_en; |
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167 | assign bit_en_d1[56] = word_wen_d1[0] & byte_wen_d1[7] & ~rst_tri_en; |
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168 | assign bit_en_d1[57] = word_wen_d1[1] & byte_wen_d1[7] & ~rst_tri_en; |
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169 | assign bit_en_d1[58] = word_wen_d1[2] & byte_wen_d1[7] & ~rst_tri_en; |
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170 | assign bit_en_d1[59] = word_wen_d1[3] & byte_wen_d1[7] & ~rst_tri_en; |
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171 | assign bit_en_d1[60] = word_wen_d1[0] & byte_wen_d1[7] & ~rst_tri_en; |
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172 | assign bit_en_d1[61] = word_wen_d1[1] & byte_wen_d1[7] & ~rst_tri_en; |
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173 | assign bit_en_d1[62] = word_wen_d1[2] & byte_wen_d1[7] & ~rst_tri_en; |
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174 | assign bit_en_d1[63] = word_wen_d1[3] & byte_wen_d1[7] & ~rst_tri_en; |
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175 | assign bit_en_d1[64] = word_wen_d1[0] & byte_wen_d1[8] & ~rst_tri_en; |
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176 | assign bit_en_d1[65] = word_wen_d1[1] & byte_wen_d1[8] & ~rst_tri_en; |
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177 | assign bit_en_d1[66] = word_wen_d1[2] & byte_wen_d1[8] & ~rst_tri_en; |
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178 | assign bit_en_d1[67] = word_wen_d1[3] & byte_wen_d1[8] & ~rst_tri_en; |
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179 | assign bit_en_d1[68] = word_wen_d1[0] & byte_wen_d1[8] & ~rst_tri_en; |
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180 | assign bit_en_d1[69] = word_wen_d1[1] & byte_wen_d1[8] & ~rst_tri_en; |
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181 | assign bit_en_d1[70] = word_wen_d1[2] & byte_wen_d1[8] & ~rst_tri_en; |
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182 | assign bit_en_d1[71] = word_wen_d1[3] & byte_wen_d1[8] & ~rst_tri_en; |
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183 | assign bit_en_d1[72] = word_wen_d1[0] & byte_wen_d1[9] & ~rst_tri_en; |
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184 | assign bit_en_d1[73] = word_wen_d1[1] & byte_wen_d1[9] & ~rst_tri_en; |
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185 | assign bit_en_d1[74] = word_wen_d1[2] & byte_wen_d1[9] & ~rst_tri_en; |
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186 | assign bit_en_d1[75] = word_wen_d1[3] & byte_wen_d1[9] & ~rst_tri_en; |
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187 | assign bit_en_d1[76] = word_wen_d1[0] & byte_wen_d1[9] & ~rst_tri_en; |
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188 | assign bit_en_d1[77] = word_wen_d1[1] & byte_wen_d1[9] & ~rst_tri_en; |
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189 | assign bit_en_d1[78] = word_wen_d1[2] & byte_wen_d1[9] & ~rst_tri_en; |
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190 | assign bit_en_d1[79] = word_wen_d1[3] & byte_wen_d1[9] & ~rst_tri_en; |
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191 | assign bit_en_d1[80] = word_wen_d1[0] & byte_wen_d1[10] & ~rst_tri_en; |
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192 | assign bit_en_d1[81] = word_wen_d1[1] & byte_wen_d1[10] & ~rst_tri_en; |
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193 | assign bit_en_d1[82] = word_wen_d1[2] & byte_wen_d1[10] & ~rst_tri_en; |
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194 | assign bit_en_d1[83] = word_wen_d1[3] & byte_wen_d1[10] & ~rst_tri_en; |
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195 | assign bit_en_d1[84] = word_wen_d1[0] & byte_wen_d1[10] & ~rst_tri_en; |
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196 | assign bit_en_d1[85] = word_wen_d1[1] & byte_wen_d1[10] & ~rst_tri_en; |
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197 | assign bit_en_d1[86] = word_wen_d1[2] & byte_wen_d1[10] & ~rst_tri_en; |
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198 | assign bit_en_d1[87] = word_wen_d1[3] & byte_wen_d1[10] & ~rst_tri_en; |
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199 | assign bit_en_d1[88] = word_wen_d1[0] & byte_wen_d1[11] & ~rst_tri_en; |
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200 | assign bit_en_d1[89] = word_wen_d1[1] & byte_wen_d1[11] & ~rst_tri_en; |
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201 | assign bit_en_d1[90] = word_wen_d1[2] & byte_wen_d1[11] & ~rst_tri_en; |
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202 | assign bit_en_d1[91] = word_wen_d1[3] & byte_wen_d1[11] & ~rst_tri_en; |
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203 | assign bit_en_d1[92] = word_wen_d1[0] & byte_wen_d1[11] & ~rst_tri_en; |
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204 | assign bit_en_d1[93] = word_wen_d1[1] & byte_wen_d1[11] & ~rst_tri_en; |
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205 | assign bit_en_d1[94] = word_wen_d1[2] & byte_wen_d1[11] & ~rst_tri_en; |
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206 | assign bit_en_d1[95] = word_wen_d1[3] & byte_wen_d1[11] & ~rst_tri_en; |
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207 | assign bit_en_d1[96] = word_wen_d1[0] & byte_wen_d1[12] & ~rst_tri_en; |
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208 | assign bit_en_d1[97] = word_wen_d1[1] & byte_wen_d1[12] & ~rst_tri_en; |
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209 | assign bit_en_d1[98] = word_wen_d1[2] & byte_wen_d1[12] & ~rst_tri_en; |
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210 | assign bit_en_d1[99] = word_wen_d1[3] & byte_wen_d1[12] & ~rst_tri_en; |
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211 | assign bit_en_d1[100] = word_wen_d1[0] & byte_wen_d1[12] & ~rst_tri_en; |
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212 | assign bit_en_d1[101] = word_wen_d1[1] & byte_wen_d1[12] & ~rst_tri_en; |
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213 | assign bit_en_d1[102] = word_wen_d1[2] & byte_wen_d1[12] & ~rst_tri_en; |
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214 | assign bit_en_d1[103] = word_wen_d1[3] & byte_wen_d1[12] & ~rst_tri_en; |
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215 | assign bit_en_d1[104] = word_wen_d1[0] & byte_wen_d1[13] & ~rst_tri_en; |
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216 | assign bit_en_d1[105] = word_wen_d1[1] & byte_wen_d1[13] & ~rst_tri_en; |
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217 | assign bit_en_d1[106] = word_wen_d1[2] & byte_wen_d1[13] & ~rst_tri_en; |
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218 | assign bit_en_d1[107] = word_wen_d1[3] & byte_wen_d1[13] & ~rst_tri_en; |
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219 | assign bit_en_d1[108] = word_wen_d1[0] & byte_wen_d1[13] & ~rst_tri_en; |
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220 | assign bit_en_d1[109] = word_wen_d1[1] & byte_wen_d1[13] & ~rst_tri_en; |
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221 | assign bit_en_d1[110] = word_wen_d1[2] & byte_wen_d1[13] & ~rst_tri_en; |
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222 | assign bit_en_d1[111] = word_wen_d1[3] & byte_wen_d1[13] & ~rst_tri_en; |
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223 | assign bit_en_d1[112] = word_wen_d1[0] & byte_wen_d1[14] & ~rst_tri_en; |
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224 | assign bit_en_d1[113] = word_wen_d1[1] & byte_wen_d1[14] & ~rst_tri_en; |
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225 | assign bit_en_d1[114] = word_wen_d1[2] & byte_wen_d1[14] & ~rst_tri_en; |
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226 | assign bit_en_d1[115] = word_wen_d1[3] & byte_wen_d1[14] & ~rst_tri_en; |
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227 | assign bit_en_d1[116] = word_wen_d1[0] & byte_wen_d1[14] & ~rst_tri_en; |
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228 | assign bit_en_d1[117] = word_wen_d1[1] & byte_wen_d1[14] & ~rst_tri_en; |
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229 | assign bit_en_d1[118] = word_wen_d1[2] & byte_wen_d1[14] & ~rst_tri_en; |
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230 | assign bit_en_d1[119] = word_wen_d1[3] & byte_wen_d1[14] & ~rst_tri_en; |
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231 | assign bit_en_d1[120] = word_wen_d1[0] & byte_wen_d1[15] & ~rst_tri_en; |
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232 | assign bit_en_d1[121] = word_wen_d1[1] & byte_wen_d1[15] & ~rst_tri_en; |
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233 | assign bit_en_d1[122] = word_wen_d1[2] & byte_wen_d1[15] & ~rst_tri_en; |
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234 | assign bit_en_d1[123] = word_wen_d1[3] & byte_wen_d1[15] & ~rst_tri_en; |
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235 | assign bit_en_d1[124] = word_wen_d1[0] & byte_wen_d1[15] & ~rst_tri_en; |
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236 | assign bit_en_d1[125] = word_wen_d1[1] & byte_wen_d1[15] & ~rst_tri_en; |
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237 | assign bit_en_d1[126] = word_wen_d1[2] & byte_wen_d1[15] & ~rst_tri_en; |
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238 | assign bit_en_d1[127] = word_wen_d1[3] & byte_wen_d1[15] & ~rst_tri_en; |
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239 | assign bit_en_d1[128] = word_wen_d1[0] & byte_wen_d1[16] & ~rst_tri_en; |
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240 | assign bit_en_d1[129] = word_wen_d1[1] & byte_wen_d1[16] & ~rst_tri_en; |
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241 | assign bit_en_d1[130] = word_wen_d1[2] & byte_wen_d1[16] & ~rst_tri_en; |
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242 | assign bit_en_d1[131] = word_wen_d1[3] & byte_wen_d1[16] & ~rst_tri_en; |
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243 | assign bit_en_d1[132] = word_wen_d1[0] & byte_wen_d1[16] & ~rst_tri_en; |
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244 | assign bit_en_d1[133] = word_wen_d1[1] & byte_wen_d1[16] & ~rst_tri_en; |
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245 | assign bit_en_d1[134] = word_wen_d1[2] & byte_wen_d1[16] & ~rst_tri_en; |
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246 | assign bit_en_d1[135] = word_wen_d1[3] & byte_wen_d1[16] & ~rst_tri_en; |
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247 | assign bit_en_d1[136] = word_wen_d1[0] & byte_wen_d1[17] & ~rst_tri_en; |
---|
248 | assign bit_en_d1[137] = word_wen_d1[1] & byte_wen_d1[17] & ~rst_tri_en; |
---|
249 | assign bit_en_d1[138] = word_wen_d1[2] & byte_wen_d1[17] & ~rst_tri_en; |
---|
250 | assign bit_en_d1[139] = word_wen_d1[3] & byte_wen_d1[17] & ~rst_tri_en; |
---|
251 | assign bit_en_d1[140] = word_wen_d1[0] & byte_wen_d1[17] & ~rst_tri_en; |
---|
252 | assign bit_en_d1[141] = word_wen_d1[1] & byte_wen_d1[17] & ~rst_tri_en; |
---|
253 | assign bit_en_d1[142] = word_wen_d1[2] & byte_wen_d1[17] & ~rst_tri_en; |
---|
254 | assign bit_en_d1[143] = word_wen_d1[3] & byte_wen_d1[17] & ~rst_tri_en; |
---|
255 | assign bit_en_d1[144] = word_wen_d1[0] & byte_wen_d1[18] & ~rst_tri_en; |
---|
256 | assign bit_en_d1[145] = word_wen_d1[1] & byte_wen_d1[18] & ~rst_tri_en; |
---|
257 | assign bit_en_d1[146] = word_wen_d1[2] & byte_wen_d1[18] & ~rst_tri_en; |
---|
258 | assign bit_en_d1[147] = word_wen_d1[3] & byte_wen_d1[18] & ~rst_tri_en; |
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259 | assign bit_en_d1[148] = word_wen_d1[0] & byte_wen_d1[18] & ~rst_tri_en; |
---|
260 | assign bit_en_d1[149] = word_wen_d1[1] & byte_wen_d1[18] & ~rst_tri_en; |
---|
261 | assign bit_en_d1[150] = word_wen_d1[2] & byte_wen_d1[18] & ~rst_tri_en; |
---|
262 | assign bit_en_d1[151] = word_wen_d1[3] & byte_wen_d1[18] & ~rst_tri_en; |
---|
263 | assign bit_en_d1[152] = word_wen_d1[0] & byte_wen_d1[19] & ~rst_tri_en; |
---|
264 | assign bit_en_d1[153] = word_wen_d1[1] & byte_wen_d1[19] & ~rst_tri_en; |
---|
265 | assign bit_en_d1[154] = word_wen_d1[2] & byte_wen_d1[19] & ~rst_tri_en; |
---|
266 | assign bit_en_d1[155] = word_wen_d1[3] & byte_wen_d1[19] & ~rst_tri_en; |
---|
267 | assign bit_en_d1[156] = word_wen_d1[0] & byte_wen_d1[19] & ~rst_tri_en; |
---|
268 | assign bit_en_d1[157] = word_wen_d1[1] & byte_wen_d1[19] & ~rst_tri_en; |
---|
269 | assign bit_en_d1[158] = word_wen_d1[2] & byte_wen_d1[19] & ~rst_tri_en; |
---|
270 | assign bit_en_d1[159] = word_wen_d1[3] & byte_wen_d1[19] & ~rst_tri_en; |
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271 | `else |
---|
272 | |
---|
273 | `endif |
---|
274 | //------- |
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275 | |
---|
276 | always @ (posedge rd_clk) |
---|
277 | begin |
---|
278 | ren_d1 <= (sehold) ? ren_d1 : read_en; |
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279 | rdptr_d1[3:0] <= (sehold) ? rdptr_d1[3:0] : rd_adr[3:0]; |
---|
280 | end |
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281 | //------- |
---|
282 | |
---|
283 | |
---|
284 | `ifdef DEFINE_0IN |
---|
285 | rf16x160 rf16x160 ( .rdclk(rd_clk), .wrclk(~wr_clk), .radr(rdptr_d1), .wadr(wrptr_d1), .ren(ren_d1), |
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286 | .we(wr_en_d1), .wm(bit_en_d1), .din(wrdata_d1), .dout(dout) ); |
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287 | `else |
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288 | |
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289 | `ifdef FPGA_SYN_16x160 |
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290 | |
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291 | bw_r_rf16x2 arr0 ( |
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292 | .word_wen(word_wen_d2), |
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293 | .wen(byte_wen_d1[ 0]), |
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294 | .ren(ren_d1), |
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295 | .wr_addr(wrptr_d1), |
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296 | .rd_addr(rdptr_d1), |
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297 | .wr_data(wrdata_d1[ 7: 0]), |
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298 | .rd_data(dout[ 7: 0]), |
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299 | .clk(wr_clk), |
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300 | .rd_clk(rd_clk), |
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301 | .reset_l(reset_l)); |
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302 | |
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303 | bw_r_rf16x2 arr1 ( |
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304 | .word_wen(word_wen_d2), |
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305 | .wen(byte_wen_d1[ 1]), |
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306 | .ren(ren_d1), |
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307 | .wr_addr(wrptr_d1), |
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308 | .rd_addr(rdptr_d1), |
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309 | .wr_data(wrdata_d1[ 15: 8]), |
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310 | .rd_data(dout[ 15: 8]), |
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311 | .clk(wr_clk), |
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312 | .rd_clk(rd_clk), |
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313 | .reset_l(reset_l)); |
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314 | |
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315 | bw_r_rf16x2 arr2 ( |
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316 | .word_wen(word_wen_d2), |
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317 | .wen(byte_wen_d1[ 2]), |
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318 | .ren(ren_d1), |
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319 | .wr_addr(wrptr_d1), |
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320 | .rd_addr(rdptr_d1), |
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321 | .wr_data(wrdata_d1[ 23: 16]), |
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322 | .rd_data(dout[ 23: 16]), |
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323 | .clk(wr_clk), |
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324 | .rd_clk(rd_clk), |
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325 | .reset_l(reset_l)); |
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326 | |
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327 | bw_r_rf16x2 arr3 ( |
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328 | .word_wen(word_wen_d2), |
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329 | .wen(byte_wen_d1[ 3]), |
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330 | .ren(ren_d1), |
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331 | .wr_addr(wrptr_d1), |
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332 | .rd_addr(rdptr_d1), |
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333 | .wr_data(wrdata_d1[ 31: 24]), |
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334 | .rd_data(dout[ 31: 24]), |
---|
335 | .clk(wr_clk), |
---|
336 | .rd_clk(rd_clk), |
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337 | .reset_l(reset_l)); |
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338 | |
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339 | bw_r_rf16x2 arr4 ( |
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340 | .word_wen(word_wen_d2), |
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341 | .wen(byte_wen_d1[ 4]), |
---|
342 | .ren(ren_d1), |
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343 | .wr_addr(wrptr_d1), |
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344 | .rd_addr(rdptr_d1), |
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345 | .wr_data(wrdata_d1[ 39: 32]), |
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346 | .rd_data(dout[ 39: 32]), |
---|
347 | .clk(wr_clk), |
---|
348 | .rd_clk(rd_clk), |
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349 | .reset_l(reset_l)); |
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350 | |
---|
351 | bw_r_rf16x2 arr5 ( |
---|
352 | .word_wen(word_wen_d2), |
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353 | .wen(byte_wen_d1[ 5]), |
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354 | .ren(ren_d1), |
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355 | .wr_addr(wrptr_d1), |
---|
356 | .rd_addr(rdptr_d1), |
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357 | .wr_data(wrdata_d1[ 47: 40]), |
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358 | .rd_data(dout[ 47: 40]), |
---|
359 | .clk(wr_clk), |
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360 | .rd_clk(rd_clk), |
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361 | .reset_l(reset_l)); |
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362 | |
---|
363 | bw_r_rf16x2 arr6 ( |
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364 | .word_wen(word_wen_d2), |
---|
365 | .wen(byte_wen_d1[ 6]), |
---|
366 | .ren(ren_d1), |
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367 | .wr_addr(wrptr_d1), |
---|
368 | .rd_addr(rdptr_d1), |
---|
369 | .wr_data(wrdata_d1[ 55: 48]), |
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370 | .rd_data(dout[ 55: 48]), |
---|
371 | .clk(wr_clk), |
---|
372 | .rd_clk(rd_clk), |
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373 | .reset_l(reset_l)); |
---|
374 | |
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375 | bw_r_rf16x2 arr7 ( |
---|
376 | .word_wen(word_wen_d2), |
---|
377 | .wen(byte_wen_d1[ 7]), |
---|
378 | .ren(ren_d1), |
---|
379 | .wr_addr(wrptr_d1), |
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380 | .rd_addr(rdptr_d1), |
---|
381 | .wr_data(wrdata_d1[ 63: 56]), |
---|
382 | .rd_data(dout[ 63: 56]), |
---|
383 | .clk(wr_clk), |
---|
384 | .rd_clk(rd_clk), |
---|
385 | .reset_l(reset_l)); |
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386 | |
---|
387 | bw_r_rf16x2 arr8 ( |
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388 | .word_wen(word_wen_d2), |
---|
389 | .wen(byte_wen_d1[ 8]), |
---|
390 | .ren(ren_d1), |
---|
391 | .wr_addr(wrptr_d1), |
---|
392 | .rd_addr(rdptr_d1), |
---|
393 | .wr_data(wrdata_d1[ 71: 64]), |
---|
394 | .rd_data(dout[ 71: 64]), |
---|
395 | .clk(wr_clk), |
---|
396 | .rd_clk(rd_clk), |
---|
397 | .reset_l(reset_l)); |
---|
398 | |
---|
399 | bw_r_rf16x2 arr9 ( |
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400 | .word_wen(word_wen_d2), |
---|
401 | .wen(byte_wen_d1[ 9]), |
---|
402 | .ren(ren_d1), |
---|
403 | .wr_addr(wrptr_d1), |
---|
404 | .rd_addr(rdptr_d1), |
---|
405 | .wr_data(wrdata_d1[ 79: 72]), |
---|
406 | .rd_data(dout[ 79: 72]), |
---|
407 | .clk(wr_clk), |
---|
408 | .rd_clk(rd_clk), |
---|
409 | .reset_l(reset_l)); |
---|
410 | |
---|
411 | bw_r_rf16x2 arr10( |
---|
412 | .word_wen(word_wen_d2), |
---|
413 | .wen(byte_wen_d1[10]), |
---|
414 | .ren(ren_d1), |
---|
415 | .wr_addr(wrptr_d1), |
---|
416 | .rd_addr(rdptr_d1), |
---|
417 | .wr_data(wrdata_d1[ 87: 80]), |
---|
418 | .rd_data(dout[ 87: 80]), |
---|
419 | .clk(wr_clk), |
---|
420 | .rd_clk(rd_clk), |
---|
421 | .reset_l(reset_l)); |
---|
422 | |
---|
423 | bw_r_rf16x2 arr11( |
---|
424 | .word_wen(word_wen_d2), |
---|
425 | .wen(byte_wen_d1[11]), |
---|
426 | .ren(ren_d1), |
---|
427 | .wr_addr(wrptr_d1), |
---|
428 | .rd_addr(rdptr_d1), |
---|
429 | .wr_data(wrdata_d1[ 95: 88]), |
---|
430 | .rd_data(dout[ 95: 88]), |
---|
431 | .clk(wr_clk), |
---|
432 | .rd_clk(rd_clk), |
---|
433 | .reset_l(reset_l)); |
---|
434 | |
---|
435 | bw_r_rf16x2 arr12( |
---|
436 | .word_wen(word_wen_d2), |
---|
437 | .wen(byte_wen_d1[12]), |
---|
438 | .ren(ren_d1), |
---|
439 | .wr_addr(wrptr_d1), |
---|
440 | .rd_addr(rdptr_d1), |
---|
441 | .wr_data(wrdata_d1[103: 96]), |
---|
442 | .rd_data(dout[103: 96]), |
---|
443 | .clk(wr_clk), |
---|
444 | .rd_clk(rd_clk), |
---|
445 | .reset_l(reset_l)); |
---|
446 | |
---|
447 | bw_r_rf16x2 arr13( |
---|
448 | .word_wen(word_wen_d2), |
---|
449 | .wen(byte_wen_d1[13]), |
---|
450 | .ren(ren_d1), |
---|
451 | .wr_addr(wrptr_d1), |
---|
452 | .rd_addr(rdptr_d1), |
---|
453 | .wr_data(wrdata_d1[111:104]), |
---|
454 | .rd_data(dout[111:104]), |
---|
455 | .clk(wr_clk), |
---|
456 | .rd_clk(rd_clk), |
---|
457 | .reset_l(reset_l)); |
---|
458 | |
---|
459 | bw_r_rf16x2 arr14( |
---|
460 | .word_wen(word_wen_d2), |
---|
461 | .wen(byte_wen_d1[14]), |
---|
462 | .ren(ren_d1), |
---|
463 | .wr_addr(wrptr_d1), |
---|
464 | .rd_addr(rdptr_d1), |
---|
465 | .wr_data(wrdata_d1[119:112]), |
---|
466 | .rd_data(dout[119:112]), |
---|
467 | .clk(wr_clk), |
---|
468 | .rd_clk(rd_clk), |
---|
469 | .reset_l(reset_l)); |
---|
470 | |
---|
471 | bw_r_rf16x2 arr15( |
---|
472 | .word_wen(word_wen_d2), |
---|
473 | .wen(byte_wen_d1[15]), |
---|
474 | .ren(ren_d1), |
---|
475 | .wr_addr(wrptr_d1), |
---|
476 | .rd_addr(rdptr_d1), |
---|
477 | .wr_data(wrdata_d1[127:120]), |
---|
478 | .rd_data(dout[127:120]), |
---|
479 | .clk(wr_clk), |
---|
480 | .rd_clk(rd_clk), |
---|
481 | .reset_l(reset_l)); |
---|
482 | |
---|
483 | bw_r_rf16x2 arr16( |
---|
484 | .word_wen(word_wen_d2), |
---|
485 | .wen(byte_wen_d1[16]), |
---|
486 | .ren(ren_d1), |
---|
487 | .wr_addr(wrptr_d1), |
---|
488 | .rd_addr(rdptr_d1), |
---|
489 | .wr_data(wrdata_d1[135:128]), |
---|
490 | .rd_data(dout[135:128]), |
---|
491 | .clk(wr_clk), |
---|
492 | .rd_clk(rd_clk), |
---|
493 | .reset_l(reset_l)); |
---|
494 | |
---|
495 | bw_r_rf16x2 arr17( |
---|
496 | .word_wen(word_wen_d2), |
---|
497 | .wen(byte_wen_d1[17]), |
---|
498 | .ren(ren_d1), |
---|
499 | .wr_addr(wrptr_d1), |
---|
500 | .rd_addr(rdptr_d1), |
---|
501 | .wr_data(wrdata_d1[143:136]), |
---|
502 | .rd_data(dout[143:136]), |
---|
503 | .clk(wr_clk), |
---|
504 | .rd_clk(rd_clk), |
---|
505 | .reset_l(reset_l)); |
---|
506 | |
---|
507 | bw_r_rf16x2 arr18( |
---|
508 | .word_wen(word_wen_d2), |
---|
509 | .wen(byte_wen_d1[18]), |
---|
510 | .ren(ren_d1), |
---|
511 | .wr_addr(wrptr_d1), |
---|
512 | .rd_addr(rdptr_d1), |
---|
513 | .wr_data(wrdata_d1[151:144]), |
---|
514 | .rd_data(dout[151:144]), |
---|
515 | .clk(wr_clk), |
---|
516 | .rd_clk(rd_clk), |
---|
517 | .reset_l(reset_l)); |
---|
518 | |
---|
519 | bw_r_rf16x2 arr19( |
---|
520 | .word_wen(word_wen_d2), |
---|
521 | .wen(byte_wen_d1[19]), |
---|
522 | .ren(ren_d1), |
---|
523 | .wr_addr(wrptr_d1), |
---|
524 | .rd_addr(rdptr_d1), |
---|
525 | .wr_data(wrdata_d1[159:152]), |
---|
526 | .rd_data(dout[159:152]), |
---|
527 | .clk(wr_clk), |
---|
528 | .rd_clk(rd_clk), |
---|
529 | .reset_l(reset_l)); |
---|
530 | |
---|
531 | |
---|
532 | `else |
---|
533 | // |
---|
534 | // Read Operation |
---|
535 | // |
---|
536 | |
---|
537 | always @(/*AUTOSENSE*/ /*memory or*/ byte_wen_d1 or rdptr_d1 |
---|
538 | or ren_d1 or reset_l or rst_tri_en_d1 or word_wen_d1 |
---|
539 | or wr_en_d1 or wrptr_d1) |
---|
540 | begin |
---|
541 | if (reset_l) |
---|
542 | begin |
---|
543 | if (ren_d1==1'b1) |
---|
544 | begin |
---|
545 | // Checking for Xs on the rd pointer input when read is enabled |
---|
546 | |
---|
547 | // synopsys translate_off |
---|
548 | |
---|
549 | `ifdef INNO_MUXEX |
---|
550 | `else |
---|
551 | if (rdptr_d1 == 4'bx) |
---|
552 | begin |
---|
553 | $error("rf_error"," read pointer error %h ", rdptr_d1[3:0]); |
---|
554 | end |
---|
555 | `endif |
---|
556 | |
---|
557 | // synopsys translate_on |
---|
558 | |
---|
559 | tmp_dout = inq_ary[rdptr_d1] ; |
---|
560 | j = 0; |
---|
561 | |
---|
562 | for (i=0; i<= 159; i=i+8) |
---|
563 | begin |
---|
564 | if (rdptr_d1 == wrptr_d1) |
---|
565 | begin |
---|
566 | //dout[i] = (wr_en_d1 & bit_en_d1[i]) ? 1'bx : tmp_dout[i]; |
---|
567 | |
---|
568 | dout[i] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
569 | 1'bx : tmp_dout[i] ; |
---|
570 | dout[i+1] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
571 | 1'bx : tmp_dout[i+1] ; |
---|
572 | dout[i+2] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
573 | 1'bx : tmp_dout[i+2] ; |
---|
574 | dout[i+3] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
575 | 1'bx : tmp_dout[i+3] ; |
---|
576 | dout[i+4] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
577 | 1'bx : tmp_dout[i+4] ; |
---|
578 | dout[i+5] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
579 | 1'bx : tmp_dout[i+5] ; |
---|
580 | dout[i+6] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
581 | 1'bx : tmp_dout[i+6] ; |
---|
582 | dout[i+7] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
583 | 1'bx : tmp_dout[i+7] ; |
---|
584 | j = j+1; |
---|
585 | end |
---|
586 | else |
---|
587 | begin |
---|
588 | //dout[i] = tmp_dout[i] ; |
---|
589 | dout[i] = tmp_dout[i] ; |
---|
590 | dout[i+1] = tmp_dout[i+1] ; |
---|
591 | dout[i+2] = tmp_dout[i+2] ; |
---|
592 | dout[i+3] = tmp_dout[i+3] ; |
---|
593 | dout[i+4] = tmp_dout[i+4] ; |
---|
594 | dout[i+5] = tmp_dout[i+5] ; |
---|
595 | dout[i+6] = tmp_dout[i+6] ; |
---|
596 | dout[i+7] = tmp_dout[i+7] ; |
---|
597 | end |
---|
598 | end |
---|
599 | end |
---|
600 | end |
---|
601 | else dout[159:0] = 160'b0 ; |
---|
602 | end // always @ (... |
---|
603 | |
---|
604 | |
---|
605 | |
---|
606 | // |
---|
607 | // Write Operation |
---|
608 | // |
---|
609 | always @ (/*AUTOSENSE*/byte_wen_d1 or reset_l or rst_tri_en_d1 |
---|
610 | or word_wen_d1 or wr_en_d1 or wrdata_d1 or wrptr_d1) |
---|
611 | begin |
---|
612 | if (reset_l) |
---|
613 | begin |
---|
614 | // Checking for Xs on bit write enables that are derived from |
---|
615 | // the word_enables and wr enable input. |
---|
616 | |
---|
617 | // synopsys translate_off |
---|
618 | |
---|
619 | `ifdef INNO_MUXEX |
---|
620 | `else |
---|
621 | if (wr_en_d1 == 1'bx) |
---|
622 | begin |
---|
623 | $error("rf_error"," write enable error %h ", wr_en_d1); |
---|
624 | end |
---|
625 | if (word_wen_d1 == 4'bx) |
---|
626 | begin |
---|
627 | $error("rf_error"," word enable error %h ", word_wen_d1[3:0]); |
---|
628 | end |
---|
629 | if (byte_wen_d1 == 20'bx) |
---|
630 | begin |
---|
631 | $error("rf_error"," byte enable error %h ", byte_wen_d1[19:0]); |
---|
632 | end |
---|
633 | `endif |
---|
634 | |
---|
635 | // synopsys translate_on |
---|
636 | |
---|
637 | if (wr_en_d1 & ~rst_tri_en) |
---|
638 | begin |
---|
639 | |
---|
640 | // synopsys translate_off |
---|
641 | |
---|
642 | `ifdef INNO_MUXEX |
---|
643 | `else |
---|
644 | if (wrptr_d1 == 4'bx) |
---|
645 | begin |
---|
646 | $error("rf_error"," write pointer error %h ", wrptr_d1[3:0]); |
---|
647 | end |
---|
648 | `endif |
---|
649 | |
---|
650 | // synopsys translate_on |
---|
651 | |
---|
652 | temp = inq_ary[wrptr_d1]; |
---|
653 | j = 0; |
---|
654 | |
---|
655 | for (i=0; i<=159; i=i+8) |
---|
656 | begin |
---|
657 | //data_in[i] = (bit_en_d1[i]) ? wrdata_d1[i] : temp[i] ; |
---|
658 | data_in[i] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
---|
659 | wrdata_d1[i] : temp[i] ; |
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660 | data_in[i+1] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
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661 | wrdata_d1[i+1] : temp[i+1] ; |
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662 | data_in[i+2] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
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663 | wrdata_d1[i+2] : temp[i+2] ; |
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664 | data_in[i+3] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
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665 | wrdata_d1[i+3] : temp[i+3] ; |
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666 | data_in[i+4] = (wr_en_d1 & word_wen_d1[0] & byte_wen_d1[j] & ~rst_tri_en) ? |
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667 | wrdata_d1[i+4] : temp[i+4] ; |
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668 | data_in[i+5] = (wr_en_d1 & word_wen_d1[1] & byte_wen_d1[j] & ~rst_tri_en) ? |
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669 | wrdata_d1[i+5] : temp[i+5] ; |
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670 | data_in[i+6] = (wr_en_d1 & word_wen_d1[2] & byte_wen_d1[j] & ~rst_tri_en) ? |
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671 | wrdata_d1[i+6] : temp[i+6] ; |
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672 | data_in[i+7] = (wr_en_d1 & word_wen_d1[3] & byte_wen_d1[j] & ~rst_tri_en) ? |
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673 | wrdata_d1[i+7] : temp[i+7] ; |
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674 | j = j+1; |
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675 | end |
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676 | inq_ary[wrptr_d1] = data_in ; |
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677 | end |
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678 | end |
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679 | end // always @ (... |
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680 | |
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681 | `endif |
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682 | `endif |
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683 | |
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684 | endmodule // rf_16x160 |
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685 | |
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686 | `ifdef FPGA_SYN_16x160 |
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687 | |
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688 | module bw_r_rf16x2(word_wen, wen, ren, wr_addr, rd_addr, wr_data, |
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689 | rd_data, clk, rd_clk, reset_l); |
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690 | input [3:0] word_wen; |
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691 | input wen; |
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692 | input ren; |
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693 | input [3:0] wr_addr; |
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694 | input [3:0] rd_addr; |
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695 | input [7:0] wr_data; |
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696 | output [7:0] rd_data; |
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697 | input clk; |
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698 | input rd_clk; |
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699 | input reset_l; |
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700 | |
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701 | reg [7:0] rd_data_temp; |
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702 | |
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703 | reg [1:0] inq_ary0[15:0]; |
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704 | reg [1:0] inq_ary1[15:0]; |
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705 | reg [1:0] inq_ary2[15:0]; |
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706 | reg [1:0] inq_ary3[15:0]; |
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707 | |
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708 | always @(posedge clk) begin |
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709 | if(reset_l & wen & word_wen[0]) |
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710 | inq_ary0[wr_addr] = {wr_data[4],wr_data[0]}; |
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711 | if(reset_l & wen & word_wen[1]) |
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712 | inq_ary1[wr_addr] = {wr_data[5],wr_data[1]}; |
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713 | if(reset_l & wen & word_wen[2]) |
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714 | inq_ary2[wr_addr] = {wr_data[6],wr_data[2]}; |
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715 | if(reset_l & wen & word_wen[3]) |
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716 | inq_ary3[wr_addr] = {wr_data[7],wr_data[3]}; |
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717 | end |
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718 | |
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719 | always @(negedge rd_clk) begin |
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720 | if (~reset_l) begin |
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721 | rd_data_temp = 8'b0; |
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722 | end else if(ren == 1'b1) begin |
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723 | rd_data_temp = {inq_ary3[rd_addr], inq_ary2[rd_addr], inq_ary1[rd_addr], inq_ary0[rd_addr]}; |
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724 | end |
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725 | end |
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726 | |
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727 | assign rd_data = {rd_data_temp[7], rd_data_temp[5], rd_data_temp[3], |
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728 | rd_data_temp[1], rd_data_temp[6], rd_data_temp[4], |
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729 | rd_data_temp[2], rd_data_temp[0]}; |
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730 | |
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731 | endmodule |
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732 | `endif |
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733 | |
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734 | |
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