mirror of
				https://github.com/YosysHQ/yosys
				synced 2025-10-20 14:20:32 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			19 lines
		
	
	
	
		
			530 B
		
	
	
	
		
			Verilog
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
	
		
			530 B
		
	
	
	
		
			Verilog
		
	
	
	
	
	
| `default_nettype none
 | |
| module forloop_select #(parameter WIDTH=16, SELW=4, CTRLW=$clog2(WIDTH), DINW=2**SELW)
 | |
|    (input wire             clk,
 | |
|     input wire [CTRLW-1:0] ctrl,
 | |
|     input wire [DINW-1:0]  din,
 | |
|     input wire             en,
 | |
|     output reg [WIDTH-1:0] dout);
 | |
| 
 | |
|    reg [SELW:0]            sel;
 | |
|    localparam SLICE = WIDTH/(SELW**2);
 | |
| 
 | |
|    always @(posedge clk)
 | |
|      begin
 | |
|         if (en) begin
 | |
|            for (sel = 0; sel <= 4'hf; sel=sel+1'b1)
 | |
|              dout[(ctrl*sel)+:SLICE] <= din;
 | |
|         end
 | |
|      end
 | |
| endmodule
 |