yosys/tests/various/dynamic_part_select/multiple_blocking.v

21 lines
544 B
Verilog

`default_nettype none
module multiple_blocking #(parameter WIDTH=32, SELW=1, CTRLW=$clog2(WIDTH), DINW=2**SELW)
(input wire clk,
input wire [CTRLW-1:0] ctrl,
input wire [DINW-1:0] din,
input wire [SELW-1:0] sel,
output reg [WIDTH-1:0] dout);
localparam SLICE = WIDTH/(SELW**2);
reg [CTRLW:0] a;
reg [SELW-1:0] b;
reg [DINW:0] c;
always @(posedge clk) begin
a = ctrl + 1;
b = sel - 1;
c = ~din;
dout = dout + 1;
dout[a*b+:SLICE] = c;
end
endmodule