3 module acc (input clock, input reset, input clear, input enable_in, output reg enable_out,
4 input signed [30:0] addend, output reg signed [33:0] sum );
6 always @(posedge clock)
9 //else if(clear & enable_in)
16 sum <= #1 sum + addend;
18 always @(posedge clock)
19 enable_out <= #1 enable_in;