dds.sim.vwf

这是一个用vhdl语言实现dds的例子

/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/

/*
Copyright (C) 1991-2006 Altera Corporation
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, Altera MegaCore Function License 
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.
*/

HEADER
{
	VERSION = 1;
	TIME_UNIT = ns;
	SIMULATION_TIME = 1000.0;
	GRID_PHASE = 0.0;
	GRID_PERIOD = 10.0;
	GRID_DUTY_CYCLE = 50;
}

SIGNAL("clk")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("m")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = BUS;
	WIDTH = 8;
	LSB_INDEX = 0;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("m[7]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("m[6]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("m[5]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("m[4]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("m[3]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("m[2]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("m[1]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("m[0]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "m";
}

SIGNAL("out")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = BUS;
	WIDTH = 10;
	LSB_INDEX = 0;
	DIRECTION = OUTPUT;
	PARENT = "";
}

SIGNAL("out[9]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[8]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[7]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[6]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[5]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[4]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[3]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[2]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[1]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

SIGNAL("out[0]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "out";
}

TRANSITION_LIST("clk")
{
	NODE
	{
		REPEAT = 1;
		NODE
		{
			REPEAT = 50;
			LEVEL 0 FOR 10.0;
			LEVEL 1 FOR 10.0;
		}
	}
}

TRANSITION_LIST("m[7]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 1000.0;
	}
}

TRANSITION_LIST("m[6]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1000.0;
	}
}

TRANSITION_LIST("m[5]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1000.0;
	}
}

TRANSITION_LIST("m[4]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1000.0;
	}
}

TRANSITION_LIST("m[3]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1000.0;
	}
}

TRANSITION_LIST("m[2]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1000.0;
	}
}

TRANSITION_LIST("m[1]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1000.0;
	}
}

TRANSITION_LIST("m[0]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 1000.0;
	}
}

TRANSITION_LIST("out[9]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 37.969;
		LEVEL 1 FOR 962.031;
	}
}

TRANSITION_LIST("out[8]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 938.565;
		LEVEL 1 FOR 61.435;
	}
}

TRANSITION_LIST("out[7]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 497.554;
		LEVEL 1 FOR 440.0;
		LEVEL 0 FOR 62.446;
	}
}

TRANSITION_LIST("out[6]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 298.569;
		LEVEL 1 FOR 200.0;
		LEVEL 0 FOR 200.0;
		LEVEL 1 FOR 240.0;
		LEVEL 0 FOR 61.431;
	}
}

TRANSITION_LIST("out[5]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 178.029;
		NODE
		{
			REPEAT = 2;
			LEVEL 1 FOR 120.0;
			LEVEL 0 FOR 80.0;
		}
		LEVEL 1 FOR 120.0;
		LEVEL 0 FOR 120.0;
		LEVEL 1 FOR 120.0;
		LEVEL 0 FOR 61.971;
	}
}

TRANSITION_LIST("out[4]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 138.4;
		NODE
		{
			REPEAT = 2;
			LEVEL 1 FOR 40.0;
			LEVEL 0 FOR 40.0;
			LEVEL 1 FOR 80.0;
			LEVEL 0 FOR 40.0;
		}
		NODE
		{
			REPEAT = 2;
			LEVEL 1 FOR 40.0;
			LEVEL 0 FOR 80.0;
		}
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 21.6;
	}
}

TRANSITION_LIST("out[3]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 98.576;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 80.0;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 120.0;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 80.0;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 80.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 61.424;
	}
}

TRANSITION_LIST("out[2]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 97.983;
		NODE
		{
			REPEAT = 3;
			LEVEL 1 FOR 40.0;
			LEVEL 0 FOR 40.0;
		}
		NODE
		{
			REPEAT = 2;
			LEVEL 1 FOR 40.0;
			LEVEL 0 FOR 80.0;
			NODE
			{
				REPEAT = 2;
				LEVEL 1 FOR 40.0;
				LEVEL 0 FOR 40.0;
			}
		}
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 22.017;
	}
}

TRANSITION_LIST("out[1]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 218.014;
		LEVEL 1 FOR 200.0;
		LEVEL 0 FOR 280.0;
		LEVEL 1 FOR 160.0;
		LEVEL 0 FOR 80.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 21.986;
	}
}

TRANSITION_LIST("out[0]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 138.568;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 80.0;
		LEVEL 1 FOR 120.0;
		LEVEL 0 FOR 280.0;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 80.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 61.432;
	}
}

DISPLAY_LINE
{
	CHANNEL = "clk";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 0;
	TREE_LEVEL = 0;
}

DISPLAY_LINE
{
	CHANNEL = "m";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 1;
	TREE_LEVEL = 0;
	CHILDREN = 2, 3, 4, 5, 6, 7, 8, 9;
}

DISPLAY_LINE
{
	CHANNEL = "m[7]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 2;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "m[6]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 3;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "m[5]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 4;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "m[4]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 5;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "m[3]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 6;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "m[2]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 7;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "m[1]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 8;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "m[0]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 9;
	TREE_LEVEL = 1;
	PARENT = 1;
}

DISPLAY_LINE
{
	CHANNEL = "out";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 10;
	TREE_LEVEL = 0;
	CHILDREN = 11, 12, 13, 14, 15, 16, 17, 18, 19, 20;
}

DISPLAY_LINE
{
	CHANNEL = "out[9]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 11;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[8]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 12;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[7]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 13;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[6]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 14;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[5]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 15;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[4]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 16;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[3]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 17;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[2]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 18;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[1]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 19;
	TREE_LEVEL = 1;
	PARENT = 10;
}

DISPLAY_LINE
{
	CHANNEL = "out[0]";
	EXPAND_STATUS = COLLAPSED;
	RADIX = Binary;
	TREE_INDEX = 20;
	TREE_LEVEL = 1;
	PARENT = 10;
}

TIME_BAR
{
	TIME = 13825;
	MASTER = TRUE;
}
;