// array_multiplier_8bit_clean.v module array_multiplier_8bit_clean ( input [7:0] A, B, output [15:0] P ); wire [15:0] P_int; wire [7:0] pp [0:7][0:7]; wire [7:0] sum [0:7]; wire [7:0] carry [0:7];
module array_multiplier #(parameter N = 8) ( input [N-1:0] A, B, output [2*N-1:0] P ); 8 bit array multiplier verilog code
// Last column (just propagate carry from previous) assign sum[k][7] = carry[k][6]; end // array_multiplier_8bit_clean
: Highly regular structure (ideal for automated layout), easy to understand, and straightforward to implement with Verilog loops. Weaknesses output [15:0] P )
for (i = 0; i < 256; i = i + 1) begin for (j = 0; j < 256; j = j + 1) begin A = i; B = j; #10; if (P !== A*B) begin $display("ERROR: %d * %d = %d, but got %d", A, B, A*B, P); $finish; end end end