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| author | Eddie Hung <eddie@fpgeh.com> | 2019-08-20 11:57:52 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-08-20 11:57:52 -0700 |
| commit | d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7 (patch) | |
| tree | aceb37b755f6b112e754bbdd50f0a4a6a6ee111d /techlibs/common/simcells.v | |
| parent | 297a9802122817e143b1e4b87fd0d4e357606a72 (diff) | |
| parent | 3f4886e7a3ff14578b9c6d614efd360478e5886e (diff) | |
| download | yosys-d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7.tar.gz yosys-d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7.tar.bz2 yosys-d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7.zip | |
Merge remote-tracking branch 'origin/master' into eddie/synth_xilinx
Diffstat (limited to 'techlibs/common/simcells.v')
| -rw-r--r-- | techlibs/common/simcells.v | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/techlibs/common/simcells.v b/techlibs/common/simcells.v index 289673e82..64720e598 100644 --- a/techlibs/common/simcells.v +++ b/techlibs/common/simcells.v @@ -230,6 +230,25 @@ endmodule // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| //- +//- $_NMUX_ (A, B, S, Y) +//- +//- A 2-input inverting MUX gate. +//- +//- Truth table: A B S | Y +//- -------+--- +//- 0 - 0 | 1 +//- 1 - 0 | 0 +//- - 0 1 | 1 +//- - 1 1 | 0 +//- +module \$_NMUX_ (A, B, S, Y); +input A, B, S; +output Y; +assign Y = S ? !B : !A; +endmodule + +// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| +//- //- $_MUX4_ (A, B, C, D, S, T, Y) //- //- A 4-input MUX gate. |