// 2-bit magnitude comparator
// This module compares two 2-bit values A and B. LT is '1' if A < B 
// and GT is '1'if A > B. LT and GT are both '0' if A = B.

module magcompare2b (LT, GT, A, B);

   input [1:0] A;
   input [1:0] B;
   
   output      LT;
   output      GT;

   // Determine if A < B  using a minimized sum-of-products expression
   assign LT = ~A[1]&B[1] | ~A[1]&~A[0]&B[0] | ~A[0]&B[1]&B[0];

   // Determine if A > B  using a minimized sum-of-products expression
   assign GT = A[1]&~B[1] | A[1]&A[0]&~B[0] | A[0]&~B[1]&~B[0];

endmodule // magcompare2b