music.bdf

基于FPGA的乐曲发生器设计

/*
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) 1991-2007 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 from 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.
*/
//#pragma file_not_in_maxplusii_format
(header "graphic" (version "1.3"))
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	(rect -88 -16 80 0)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "6MHz" (rect 5 0 32 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))
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	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
)
(pin
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	(rect -144 48 24 64)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "4Hz" (rect 5 0 23 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))
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)
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)
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)
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	(rect 184 24 344 120)
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)
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		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
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		(output)
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		(text "add[7..0]" (rect 48 27 91 39)(font "Arial" ))
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	(drawing
		(rectangle (rect 16 16 96 80)(line_width 1))
	)
)
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	(rect 360 40 504 136)
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	(text "inst7" (rect 8 80 31 92)(font "Arial" ))
	(port
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		(input)
		(text "DIN[3..0]" (rect 0 0 46 12)(font "Arial" ))
		(text "DIN[3..0]" (rect 21 27 67 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 3))
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	(drawing
		(rectangle (rect 16 16 128 80)(line_width 1))
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)
(symbol
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