yosys/tests/memories/wide_read_async.v

28 lines
429 B
Verilog

// expect-wr-ports 1
// expect-rd-ports 4
// expect-rd-wide-continuation 4'1110
module test(
input clk,
input we,
input [5:0] ra,
input [7:0] wa,
input [7:0] wd,
output [31:0] rd
);
reg [7:0] mem[0:255];
assign rd[7:0] = mem[{ra, 2'b00}];
assign rd[15:8] = mem[{ra, 2'b01}];
assign rd[23:16] = mem[{ra, 2'b10}];
assign rd[31:24] = mem[{ra, 2'b11}];
always @(posedge clk) begin
if (we)
mem[wa] <= wd;
end
endmodule