diff options
Diffstat (limited to 'test/chisel3/LFSR16.fir')
| -rw-r--r-- | test/chisel3/LFSR16.fir | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/chisel3/LFSR16.fir b/test/chisel3/LFSR16.fir new file mode 100644 index 00000000..7e661548 --- /dev/null +++ b/test/chisel3/LFSR16.fir @@ -0,0 +1,20 @@ +circuit LFSR16 : + module LFSR16 : + output out : UInt(16) + input inc : UInt(1) + + node T_16 : UInt(16) = UInt(1, 16) + reg res : UInt(16) + res.init := T_16 + when inc : + node T_17 : UInt(1) = bit(res, 0) + node T_18 : UInt(1) = bit(res, 2) + node T_19 : UInt(1) = bit-xor(T_17, T_18) + node T_20 : UInt(1) = bit(res, 3) + node T_21 : UInt(1) = bit-xor(T_19, T_20) + node T_22 : UInt(1) = bit(res, 5) + node T_23 : UInt(1) = bit-xor(T_21, T_22) + node T_24 : UInt = bits(res, 15, 1) + node T_25 : UInt(1) = concat(T_23, T_24) + res := T_25 + out := res
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