Question: Write a Verilog code at the behavioral level for the following signed N-bit datapath. The SM is the select line of the multiplexer, SD

Write a Verilog code at the behavioral level for the following signed N-bit datapath. The "SM" is the select line of the multiplexer, "SD" is the select line of the demultiplexer, and "AS" is the operation select line of the adder/subtractor. Use 32 as the default value for the parameter "N". SD A N A 0 B N 840 Add/Sub SO IN MUX DEMUX N B 1 N N S1 C15 XN SM AS(0: add, 1: sub)

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