litex/verilog/lm32/lm32_logic_op.v

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2011-12-13 11:33:12 -05:00
// ==================================================================
// >>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<
// ------------------------------------------------------------------
// Copyright (c) 2006-2011 by Lattice Semiconductor Corporation
// ALL RIGHTS RESERVED
// ------------------------------------------------------------------
//
// IMPORTANT: THIS FILE IS AUTO-GENERATED BY THE LATTICEMICO SYSTEM.
//
// Permission:
//
// Lattice Semiconductor grants permission to use this code
// pursuant to the terms of the Lattice Semiconductor Corporation
// Open Source License Agreement.
//
// Disclaimer:
//
// Lattice Semiconductor provides no warranty regarding the use or
// functionality of this code. It is the user's responsibility to
// verify the user's design for consistency and functionality through
// the use of formal verification methods.
//
// --------------------------------------------------------------------
//
// Lattice Semiconductor Corporation
// 5555 NE Moore Court
// Hillsboro, OR 97214
// U.S.A
//
// TEL: 1-800-Lattice (USA and Canada)
// 503-286-8001 (other locations)
//
// web: http://www.latticesemi.com/
// email: techsupport@latticesemi.com
//
// --------------------------------------------------------------------
// FILE DETAILS
// Project : LatticeMico32
// File : lm32_logic_op.v
// Title : Logic operations (and / or / not etc)
// Dependencies : lm32_include.v
// Version : 6.1.17
// : Initial Release
// Version : 7.0SP2, 3.0
// : No Change
// Version : 3.1
// : No Change
// =============================================================================
`include "lm32_include.v"
/////////////////////////////////////////////////////
// Module interface
/////////////////////////////////////////////////////
module lm32_logic_op (
// ----- Inputs -------
logic_op_x,
operand_0_x,
operand_1_x,
// ----- Outputs -------
logic_result_x
);
/////////////////////////////////////////////////////
// Inputs
/////////////////////////////////////////////////////
input [`LM32_LOGIC_OP_RNG] logic_op_x;
input [`LM32_WORD_RNG] operand_0_x;
input [`LM32_WORD_RNG] operand_1_x;
/////////////////////////////////////////////////////
// Outputs
/////////////////////////////////////////////////////
output [`LM32_WORD_RNG] logic_result_x;
reg [`LM32_WORD_RNG] logic_result_x;
/////////////////////////////////////////////////////
// Internal nets and registers
/////////////////////////////////////////////////////
integer logic_idx;
/////////////////////////////////////////////////////
// Combinational Logic
/////////////////////////////////////////////////////
always @(*)
begin
for(logic_idx = 0; logic_idx < `LM32_WORD_WIDTH; logic_idx = logic_idx + 1)
logic_result_x[logic_idx] = logic_op_x[{operand_1_x[logic_idx], operand_0_x[logic_idx]}];
end
endmodule