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[/] [spacewiresystemc/] [trunk/] [altera_work/] [spw_fifo_ulight/] [ulight_fifo/] [synthesis/] [submodules/] [ulight_fifo_auto_start.v] - Rev 40
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//Legal Notice: (C)2018 Altera Corporation. All rights reserved. Your //use of Altera Corporation's design tools, logic functions and other //software and tools, and its AMPP partner logic functions, and any //output files any of the foregoing (including device programming or //simulation files), and any associated documentation or information are //expressly subject to the terms and conditions of the Altera Program //License Subscription Agreement or other applicable license agreement, //including, without limitation, that your use is for the sole purpose //of programming logic devices manufactured by Altera and sold by Altera //or its authorized distributors. Please refer to the applicable //agreement for further details. // synthesis translate_off `timescale 1ns / 1ps // synthesis translate_on // turn off superfluous verilog processor warnings // altera message_level Level1 // altera message_off 10034 10035 10036 10037 10230 10240 10030 module ulight_fifo_auto_start ( // inputs: address, chipselect, clk, reset_n, write_n, writedata, // outputs: out_port, readdata ) ; output out_port; output [ 31: 0] readdata; input [ 1: 0] address; input chipselect; input clk; input reset_n; input write_n; input [ 31: 0] writedata; wire clk_en; reg data_out; wire out_port; wire read_mux_out; wire [ 31: 0] readdata; assign clk_en = 1; //s1, which is an e_avalon_slave assign read_mux_out = {1 {(address == 0)}} & data_out; always @(posedge clk or negedge reset_n) begin if (reset_n == 0) data_out <= 0; else if (chipselect && ~write_n && (address == 0)) data_out <= writedata; end assign readdata = {32'b0 | read_mux_out}; assign out_port = data_out; endmodule