【HDLBits刷题】Kmap2.

Implement the circuit described by the Karnaugh map below.

Try to simplify the k-map before coding it. Try both product-of-sums and sum-of-products forms. We can't check whether you have the optimal simplification of the k-map. But we can check if your reduction is equivalent, and we can check whether you can translate a k-map into a circuit.

module top_module(
    input a,
    input b,
    input c,
    input d,
    output out  ); 
	assign out = ~a&~d | ~b&~c | ~a&b&c | a&c&d;
endmodule

卡诺图尽量往大了画