cosrom256_w1.vhd

8-1024可变点数FFT/IFFT变换,VHDL语言设计, 仿真通过,可以很容易综合.

        ROMWORD'("01100001111100010000000000100011"),--address=114
        ROMWORD'("01100001011011110001010001001111"),--address=115
        ROMWORD'("01100000111011000011100000010011"),--address=116
        ROMWORD'("01100000011010000110110010110001"),--address=117
        ROMWORD'("01011111111000111011001101101111"),--address=118
        ROMWORD'("01011111010111100000110110010101"),--address=119
        ROMWORD'("01011110110101110111110001101011"),--address=120
        ROMWORD'("01011110010100000000000100111110"),--address=121
        ROMWORD'("01011101110001111001110101011100"),--address=122
        ROMWORD'("01011101001111100101001000010111"),--address=123
        ROMWORD'("01011100101101000010000010111111"),--address=124
        ROMWORD'("01011100001010010000101010101011"),--address=125
        ROMWORD'("01011011100111010001000100110010"),--address=126
        ROMWORD'("01011011000100000011010110101101"),--address=127
        ROMWORD'("01011010100000100111100101111000"),--address=128
        ROMWORD'("01011001111100111101110111101111"),--address=129
        ROMWORD'("01011001011001000110010001110100"),--address=130
        ROMWORD'("01011000110101000000111001101001"),--address=131
        ROMWORD'("01011000010000101101110100110000"),--address=132
        ROMWORD'("01010111101100001101001000110001"),--address=133
        ROMWORD'("01010111000111011110111011010100"),--address=134
        ROMWORD'("01010110100010100011010010000100"),--address=135
        ROMWORD'("01010101111101011010010010101100"),--address=136
        ROMWORD'("01010101011000000100000010111100"),--address=137
        ROMWORD'("01010100110010100000101000100011"),--address=138
        ROMWORD'("01010100001100110000001001010110"),--address=139
        ROMWORD'("01010011100110110010101011001000"),--address=140
        ROMWORD'("01010011000000101000010011101111"),--address=141
        ROMWORD'("01010010011010010001001001000101"),--address=142
        ROMWORD'("01010001110011101101010001000101"),--address=143
        ROMWORD'("01010001001100111100110001101010"),--address=144
        ROMWORD'("01010000100101111111110000110100"),--address=145
        ROMWORD'("01001111111110110110010100100010"),--address=146
        ROMWORD'("01001111010111100000100010111000"),--address=147
        ROMWORD'("01001110101111111110100001111001"),--address=148
        ROMWORD'("01001110001000010000010111101011"),--address=149
        ROMWORD'("01001101100000010110001010010111"),--address=150
        ROMWORD'("01001100111000010000000000000111"),--address=151
        ROMWORD'("01001100001111111101111111000110"),--address=152
        ROMWORD'("01001011100111100000001101100001"),--address=153
        ROMWORD'("01001010111110110110110001101001"),--address=154
        ROMWORD'("01001010010110000001110001101110"),--address=155
        ROMWORD'("01001001101101000001010100000100"),--address=156
        ROMWORD'("01001001000011110101011110111110"),--address=157
        ROMWORD'("01001000011010011110011000110100"),--address=158
        ROMWORD'("01000111110000111100000111111110"),--address=159
        ROMWORD'("01000111000111001110110010110101"),--address=160
        ROMWORD'("01000110011101010110011111110101"),--address=161
        ROMWORD'("01000101110011010011010101011101"),--address=162
        ROMWORD'("01000101001001000101011010001001"),--address=163
        ROMWORD'("01000100011110101100110100011101"),--address=164
        ROMWORD'("01000011110100001001101010111000"),--address=165
        ROMWORD'("01000011001001011100000100000001"),--address=166
        ROMWORD'("01000010011110100100000110011011"),--address=167
        ROMWORD'("01000001110011100001111000101111"),--address=168
        ROMWORD'("01000001001000010101100001100100"),--address=169
        ROMWORD'("01000000011100111111000111100110"),--address=170
        ROMWORD'("00111111110001011110110001100000"),--address=171
        ROMWORD'("00111111000101110100100110000000"),--address=172
        ROMWORD'("00111110011010000000101011110100"),--address=173
        ROMWORD'("00111101101110000011001001101101"),--address=174
        ROMWORD'("00111101000001111100000110011101"),--address=175
        ROMWORD'("00111100010101101011101000110110"),--address=176
        ROMWORD'("00111011101001010001110111101111"),--address=177
        ROMWORD'("00111010111100101110111001111100"),--address=178
        ROMWORD'("00111010010000000010110110010110"),--address=179
        ROMWORD'("00111001100011001101110011110110"),--address=180
        ROMWORD'("00111000110110001111111001010111"),--address=181
        ROMWORD'("00111000001001001001001101110011"),--address=182
        ROMWORD'("00110111011011111001111000001001"),--address=183
        ROMWORD'("00110110101110100001111111010110"),--address=184
        ROMWORD'("00110110000001000001101010011011"),--address=185
        ROMWORD'("00110101010011011001000000011000"),--address=186
        ROMWORD'("00110100100101101000001000010000"),--address=187
        ROMWORD'("00110011110111101111001001000111"),--address=188
        ROMWORD'("00110011001001101110001010000010"),--address=189
        ROMWORD'("00110010011011100101010010000111"),--address=190
        ROMWORD'("00110001101101010100101000011100"),--address=191
        ROMWORD'("00110000111110111100010100001011"),--address=192
        ROMWORD'("00110000010000011100011100011110"),--address=193
        ROMWORD'("00101111100001110101001000011111"),--address=194
        ROMWORD'("00101110110011000110011111011011"),--address=195
        ROMWORD'("00101110000100010000101000011110"),--address=196
        ROMWORD'("00101101010101010011101010110111"),--address=197
        ROMWORD'("00101100100110001111101101110110"),--address=198
        ROMWORD'("00101011110111000100111000101010"),--address=199
        ROMWORD'("00101011000111110011010010100101"),--address=200
        ROMWORD'("00101010011000011011000010111011"),--address=201
        ROMWORD'("00101001101000111100010000111110"),--address=202
        ROMWORD'("00101000111001010111000100000011"),--address=203
        ROMWORD'("00101000001001101011100011100000"),--address=204
        ROMWORD'("00100111011001111001110110101100"),--address=205
        ROMWORD'("00100110101010000010000100111101"),--address=206
        ROMWORD'("00100101111010000100010101101101"),--address=207
        ROMWORD'("00100101001010000000110000010100"),--address=208
        ROMWORD'("00100100011001110111011100001101"),--address=209
        ROMWORD'("00100011101001101000100000110100"),--address=210
        ROMWORD'("00100010111001010100000101100100"),--address=211
        ROMWORD'("00100010001000111010010001111010"),--address=212
        ROMWORD'("00100001011000011011001101010100"),--address=213
        ROMWORD'("00100000100111110110111111010000"),--address=214
        ROMWORD'("00011111110111001101101111001110"),--address=215
        ROMWORD'("00011111000110011111100100101110"),--address=216
        ROMWORD'("00011110010101101100100111010000"),--address=217
        ROMWORD'("00011101100100110100111110010111"),--address=218
        ROMWORD'("00011100110011111000110001100100"),--address=219
        ROMWORD'("00011100000010111000001000011011"),--address=220
        ROMWORD'("00011011010001110011001010011111"),--address=221
        ROMWORD'("00011010100000101001111111010101"),--address=222
        ROMWORD'("00011001101111011100101110100010"),--address=223
        ROMWORD'("00011000111110001011011111101011"),--address=224
        ROMWORD'("00011000001100110110011010010111"),--address=225
        ROMWORD'("00010111011011011101100110001100"),--address=226
        ROMWORD'("00010110101010000001001010110010"),--address=227
        ROMWORD'("00010101111000100001001111110010"),--address=228
        ROMWORD'("00010101000110111101111100110010"),--address=229
        ROMWORD'("00010100010101010111011001011101"),--address=230
        ROMWORD'("00010011100011101101101101011100"),--address=231
        ROMWORD'("00010010110010000001000000011010"),--address=232
        ROMWORD'("00010010000000010001011010000000"),--address=233
        ROMWORD'("00010001001110011111000001111001"),--address=234
        ROMWORD'("00010000011100101001111111110010"),--address=235
        ROMWORD'("00001111101010110010011011010101"),--address=236
        ROMWORD'("00001110111000111000011100001111"),--address=237
        ROMWORD'("00001110000110111100001010001100"),--address=238
        ROMWORD'("00001101010100111101101100111010"),--address=239
        ROMWORD'("00001100100010111101001100000110"),--address=240
        ROMWORD'("00001011110000111010101111011101"),--address=241
        ROMWORD'("00001010111110110110011110101100"),--address=242
        ROMWORD'("00001010001100110000100001100011"),--address=243
        ROMWORD'("00001001011010101000111111110000"),--address=244
        ROMWORD'("00001000101000100000000001000000"),--address=245
        ROMWORD'("00000111110110010101101101000100"),--address=246
        ROMWORD'("00000111000100001010001011101010"),--address=247
        ROMWORD'("00000110010001111101100100100001"),--address=248
        ROMWORD'("00000101011111101111111111011001"),--address=249
        ROMWORD'("00000100101101100001100100000001"),--address=250
        ROMWORD'("00000011111011010010011010001010"),--address=251
        ROMWORD'("00000011001001000010101001100010"),--address=252
        ROMWORD'("00000010010110110010011001111010"),--address=253
        ROMWORD'("00000001100100100001110011000010"),--address=254
        ROMWORD'("00000000110010010000111100101010")--address=255
    );
    
begin

    cos_w1 <= ROM(CONV_INTEGER(addr));

end behavior;