LUT maker

lut_builder.py

table = [256, 252, 249, 246, 243, 240, 237, 234, 230, 227, 224, 221, 218, 215, 212, \
    209, 206, 203, 200, 196, 193, 190, 187, 184, 181, 178, 175, 172, 169, 166, \
    164, 161, 158, 155, 152, 149, 146, 143, 141, 138, 135, 132, 130, 127, 124, \
    121, 119, 116, 114, 111, 108, 106, 103, 101, 98, 96, 93, 91, 89, 86, 84, 82, \
    79, 77, 75, 73, 70, 68, 66, 64, 62, 60, 58, 56, 54, 52, 50, 48, 47, 45, 43, \
    41, 40, 38, 36, 35, 33, 32, 30, 29, 27, 26, 25, 23, 22, 21, 19, 18, 17, 16, \
    15, 14, 13, 12, 11, 10, 9, 8, 8, 7, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, \
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 6, 6, 7, \
    8, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, \
    30, 32, 33, 35, 36, 38, 40, 41, 43, 45, 47, 48, 50, 52, 54, 56, 58, 60, 62, \
    64, 66, 68, 70, 73, 75, 77, 79, 82, 84, 86, 89, 91, 93, 96, 98, 101, 103, \
    106, 108, 111, 114, 116, 119, 121, 124, 127, 130, 132, 135, 138, 141, 143, \
    146, 149, 152, 155, 158, 161, 164, 166, 169, 172, 175, 178, 181, 184, 187, \
    190, 193, 196, 200, 203, 206, 209, 212, 215, 218, 221, 224, 227, 230, 234, \
    237, 240, 243, 246, 249, 252, 256, 259, 262, 265, 268, 271, 274, 277, 281, \
    284, 287, 290, 293, 296, 299, 302, 305, 308, 311, 315, 318, 321, 324, 327, \
    330, 333, 336, 339, 342, 345, 347, 350, 353, 356, 359, 362, 365, 368, 370, \
    373, 376, 379, 381, 384, 387, 390, 392, 395, 397, 400, 403, 405, 408, 410, \
    413, 415, 418, 420, 422, 425, 427, 429, 432, 434, 436, 438, 441, 443, 445, \
    447, 449, 451, 453, 455, 457, 459, 461, 463, 464, 466, 468, 470, 471, 473, \
    475, 476, 478, 479, 481, 482, 484, 485, 486, 488, 489, 490, 492, 493, 494, \
    495, 496, 497, 498, 499, 500, 501, 502, 503, 503, 504, 505, 505, 506, 507, \
    507, 508, 508, 509, 509, 509, 510, 510, 510, 511, 511, 511, 511, 511, 511, \
    511, 511, 511, 511, 511, 510, 510, 510, 509, 509, 509, 508, 508, 507, 507, \
    506, 505, 505, 504, 503, 503, 502, 501, 500, 499, 498, 497, 496, 495, 494, \
    493, 492, 490, 489, 488, 486, 485, 484, 482, 481, 479, 478, 476, 475, 473, \
    471, 470, 468, 466, 464, 463, 461, 459, 457, 455, 453, 451, 449, 447, 445, \
    443, 441, 438, 436, 434, 432, 429, 427, 425, 422, 420, 418, 415, 413, 410, \
    408, 405, 403, 400, 397, 395, 392, 390, 387, 384, 381, 379, 376, 373, 370, \
    368, 365, 362, 359, 356, 353, 350, 347, 345, 342, 339, 336, 333, 330, 327, \
    324, 321, 318, 315, 311, 308, 305, 302, 299, 296, 293, 290, 287, 284, 281, \
    277, 274, 271, 268, 265, 262, 259]

output = []
ff = open('output.txt', 'w')

def processBin(num):
    l = ['0' for i in range(10)]
    bn = list("{0:#b}".format(num)[2:])
    nl = l[:-len(bn)] + bn
    nl.reverse()
    sc = []
    for i, n in enumerate(nl):
        if ((i + 1) % 4 == 0):
            sc.append(n)
            sc.append('_')
        else:
            sc.append(n)
    sc.reverse()
    sc = "10'b" + ''.join(sc)
    return sc

for i, t in enumerate(table):
    first_line = processBin(i) + ": begin\n"
    second_line = "\tMAP <= " + str(t) + ";\n"
    final_line = "\tDMAPNT <= DMAPNT + 1;\nend\n"
    ff.write(first_line + second_line + final_line)

ff.close()