music.bdf

上个用VHDL语言写的音乐程序,希望对大家能够有帮助

/*
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) 1991-2005 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 "graphic" (version "1.3"))
(pin
	(input)
	(rect -136 160 32 176)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "GCLK3" (rect 5 0 40 12)(font "Arial" ))
	(pt 168 8)
	(drawing
		(line (pt 92 12)(pt 117 12)(line_width 1))
		(line (pt 92 4)(pt 117 4)(line_width 1))
		(line (pt 121 8)(pt 168 8)(line_width 1))
		(line (pt 92 12)(pt 92 4)(line_width 1))
		(line (pt 117 4)(pt 121 8)(line_width 1))
		(line (pt 117 12)(pt 121 8)(line_width 1))
	)
	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
	(annotation_block (location)(rect -224 176 -136 208))
)
(pin
	(output)
	(rect 408 144 584 160)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "led[3..0]" (rect 90 0 130 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 52 4)(pt 78 4)(line_width 1))
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	(annotation_block (location)(rect 584 160 672 232))
)
(pin
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	(rect 408 160 584 176)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "led7" (rect 90 0 110 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 52 4)(pt 78 4)(line_width 1))
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	(annotation_block (location)(rect 584 176 664 208))
)
(pin
	(output)
	(rect 408 176 584 192)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "GCLK0" (rect 90 0 125 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 52 4)(pt 78 4)(line_width 1))
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		(line (pt 78 12)(pt 82 8)(line_width 1))
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	(annotation_block (location)(rect 584 192 672 224))
)
(symbol
	(rect 232 120 408 216)
	(text "Songer" (rect 5 0 39 12)(font "Arial" ))
	(text "inst1" (rect 8 80 31 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "CLK12MHZ" (rect 0 0 56 12)(font "Arial" ))
		(text "CLK12MHZ" (rect 21 27 77 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "CLK8HZ" (rect 0 0 42 12)(font "Arial" ))
		(text "CLK8HZ" (rect 21 43 63 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 176 32)
		(output)
		(text "CODE1[3..0]" (rect 0 0 63 12)(font "Arial" ))
		(text "CODE1[3..0]" (rect 92 27 155 39)(font "Arial" ))
		(line (pt 176 32)(pt 160 32)(line_width 3))
	)
	(port
		(pt 176 48)
		(output)
		(text "HIGH1" (rect 0 0 34 12)(font "Arial" ))
		(text "HIGH1" (rect 121 43 155 55)(font "Arial" ))
		(line (pt 176 48)(pt 160 48)(line_width 1))
	)
	(port
		(pt 176 64)
		(output)
		(text "SPKOUT" (rect 0 0 43 12)(font "Arial" ))
		(text "SPKOUT" (rect 112 59 155 71)(font "Arial" ))
		(line (pt 176 64)(pt 160 64)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 160 80)(line_width 1))
	)
)
(symbol
	(rect 56 136 152 232)
	(text "fenping" (rect 5 0 41 12)(font "Arial" ))
	(text "inst" (rect 8 80 25 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "fin" (rect 0 0 12 12)(font "Arial" ))
		(text "fin" (rect 21 27 33 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 96 32)
		(output)
		(text "f2" (rect 0 0 10 12)(font "Arial" ))
		(text "f2" (rect 65 27 75 39)(font "Arial" ))
		(line (pt 96 32)(pt 80 32)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 80 80)(line_width 1))
	)
)
(connector
	(pt 232 168)
	(pt 152 168)
)
(connector
	(pt 56 168)
	(pt 32 168)
)
(connector
	(pt 232 152)
	(pt 208 152)
)
(connector
	(pt 208 152)
	(pt 208 120)
)
(connector
	(pt 208 120)
	(pt 32 120)
)
(connector
	(pt 32 120)
	(pt 32 168)
)
(junction (pt 32 168))