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Merge remote-tracking branch 'origin/master' into xc7dsp

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Eddie Hung 2019-08-07 13:44:08 -07:00
commit e3d898dccb
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19
techlibs/common/simcells.v
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@ -228,6 +228,25 @@ output Y;
assign Y = S ? B : A;
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)