# Pastebin C1t3meH0
reg [7:0] mem_1[0:511];
reg [8:0] memadr_1;
reg [8:0] memadr_2;
always @(posedge sys_clk) begin
	if (usb_buf_we)
		mem_1[usb_buf_adr] <= usb_buf_dat_w;
	memadr_1 <= usb_buf_adr;
end

always @(posedge usb_usb_48_clk) begin
	if (usb_usb_port_we)
		mem_1[usb_usb_port_adr] <= usb_usb_port_dat_w;
	memadr_2 <= usb_usb_port_adr;
end

assign usb_buf_dat_r = mem_1[memadr_1];
assign usb_usb_port_dat_r = mem_1[memadr_2];