8bit Multiplier Verilog Code Github 【NEWEST — 2025】

initial begin errors = 0; for (i = 0; i < 256; i = i + 1) begin for (j = 0; j < 256; j = j + 1) begin a = i; b = j; #10; if (product !== i*j) begin $display("Error: %d * %d = %d, but got %d", i, j, i*j, product); errors = errors + 1; end end end $display("Simulation done. Errors: %d", errors); $finish; end endmodule

module array_multiplier_8bit ( input [7:0] A, B, output [15:0] P ); wire [7:0] pp0, pp1, pp2, pp3, pp4, pp5, pp6, pp7; wire [15:0] sum_stage0, sum_stage1, sum_stage2, sum_stage3; // Generate partial products (AND gates) assign pp0 = 8A[0] & B; assign pp1 = 8A[1] & B; assign pp2 = 8A[2] & B; assign pp3 = 8A[3] & B; assign pp4 = 8A[4] & B; assign pp5 = 8A[5] & B; assign pp6 = 8A[6] & B; assign pp7 = 8A[7] & B; 8bit multiplier verilog code github

module booth_multiplier_8bit ( input signed [7:0] a, b, // signed 8-bit inputs output signed [15:0] product ); reg signed [15:0] pp [0:3]; integer i; always @(*) begin // Radix-4 Booth encoding of B // Simplified example: actual impl requires recoding logic for (i = 0; i < 4; i = i + 1) begin case (b[2*i+1], b[2*i], b[2*i-1]) // ... booth encoding cases default: pp[i] = 16'sb0; endcase end product = pp[0] + pp[1] + pp[2] + pp[3]; end endmodule initial begin errors = 0; for (i =

module multiplier #(parameter WIDTH = 8) ( input [WIDTH-1:0] a, b, output [2*WIDTH-1:0] product ); assign product = a * b; endmodule For signed, use signed keyword: initial begin errors = 0

: Educational FPGAs (like BASYS 3 or DE10-Lite), resource-constrained designs without DSP slices. Verilog Implementation #3: Sequential (Pipelined) Multiplier Best for low-area designs where speed is not critical. The multiplication takes 8 clock cycles.