- module cy4(out,i0,i1,i2,i3,s1,s0);
- output out;
- input i0,i1,i2,i3;
- input s1,s0;
- reg out;
- always @(s1 or s0 or i0 or i1 or i2 or i3)
- begin
- case({s1,s0})
- 2'b00: out = i0;
- 2'b01: out = i1;
- 2'b10: out = i2;
- 2'b11: out = i3;
- default: out = 1'bx;
- endcase
- end
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