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lfsr shift implementation

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Jan Decaluwe 2011-05-20 21:07:24 +02:00
parent 654b7cd869
commit 68f6a53ae8
1 changed files with 2 additions and 1 deletions
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myhdl/test/benchmark/lfsr24.py
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@ -8,8 +8,9 @@ def lfsr24(lfsr, enable, clock, reset):
lfsr.next = 1 lfsr.next = 1
else: else:
if enable: if enable:
# lfsr.next[24:1] = lfsr[23:0]
lfsr.next = lfsr[23:0] << 1
lfsr.next[0] = lfsr[23] ^ lfsr[22] ^ lfsr[21] ^ lfsr[16] lfsr.next[0] = lfsr[23] ^ lfsr[22] ^ lfsr[21] ^ lfsr[16]
lfsr.next[24:1] = lfsr[23:0]
return logic return logic