1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
module test(out, i0, i1, i2, i3, s1, s0);
output out;
input i0, i1, i2, i3;
input s1, s0;
assign out = (~s1 & s0 & i0) |
(~s1 & s0 & i1) |
(s1 & ~s0 & i2) |
(s1 & s0 & i3);
endmodule
module ternaryop(out, i0, i1, i2, i3, s1, s0);
output out;
input i0, i1, i2, i3;
input s1, s0;
assign out = s1 ? (s0 ? i3 : i2) : (s0 ? i1 : i0);
endmodule
module fulladd4(sum, c_out, a, b, c_in);
output [3:0] sum;
output c_out;
input [3:0] a, b;
input c_in;
assign {c_out, sum} = a + b + c_in;
endmodule
|
