music_1.bdf

这是一个在Quartus II软件中编写的vhdl程序。程序下载后可用蜂鸣器播放音乐

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	)
	(port
		(pt 0 80)
		(input)
		(text "din3[3..0]" (rect 0 0 46 12)(font "Arial" ))
		(text "din3[3..0]" (rect 21 75 67 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 3))
	)
	(port
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		(input)
		(text "din4[3..0]" (rect 0 0 46 12)(font "Arial" ))
		(text "din4[3..0]" (rect 21 91 67 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 3))
	)
	(port
		(pt 0 112)
		(input)
		(text "din5[3..0]" (rect 0 0 46 12)(font "Arial" ))
		(text "din5[3..0]" (rect 21 107 67 119)(font "Arial" ))
		(line (pt 0 112)(pt 16 112)(line_width 3))
	)
	(port
		(pt 0 128)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 123 35 135)(font "Arial" ))
		(line (pt 0 128)(pt 16 128)(line_width 1))
	)
	(port
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		(output)
		(text "led_sa" (rect 0 0 31 12)(font "Arial" ))
		(text "led_sa" (rect 76 27 107 39)(font "Arial" ))
		(line (pt 128 32)(pt 112 32)(line_width 1))
	)
	(port
		(pt 128 48)
		(output)
		(text "led_sb" (rect 0 0 31 12)(font "Arial" ))
		(text "led_sb" (rect 76 43 107 55)(font "Arial" ))
		(line (pt 128 48)(pt 112 48)(line_width 1))
	)
	(port
		(pt 128 64)
		(output)
		(text "led_sc" (rect 0 0 31 12)(font "Arial" ))
		(text "led_sc" (rect 76 59 107 71)(font "Arial" ))
		(line (pt 128 64)(pt 112 64)(line_width 1))
	)
	(port
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		(output)
		(text "led_a" (rect 0 0 25 12)(font "Arial" ))
		(text "led_a" (rect 82 75 107 87)(font "Arial" ))
		(line (pt 128 80)(pt 112 80)(line_width 1))
	)
	(port
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		(output)
		(text "led_b" (rect 0 0 25 12)(font "Arial" ))
		(text "led_b" (rect 82 91 107 103)(font "Arial" ))
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	(port
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	(port
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	(port
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		(output)
		(text "led_e" (rect 0 0 25 12)(font "Arial" ))
		(text "led_e" (rect 82 139 107 151)(font "Arial" ))
		(line (pt 128 144)(pt 112 144)(line_width 1))
	)
	(port
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		(output)
		(text "led_f" (rect 0 0 24 12)(font "Arial" ))
		(text "led_f" (rect 83 155 107 167)(font "Arial" ))
		(line (pt 128 160)(pt 112 160)(line_width 1))
	)
	(port
		(pt 128 176)
		(output)
		(text "led_g" (rect 0 0 25 12)(font "Arial" ))
		(text "led_g" (rect 82 171 107 183)(font "Arial" ))
		(line (pt 128 176)(pt 112 176)(line_width 1))
	)
	(port
		(pt 128 192)
		(output)
		(text "led_dp" (rect 0 0 31 12)(font "Arial" ))
		(text "led_dp" (rect 76 187 107 199)(font "Arial" ))
		(line (pt 128 192)(pt 112 192)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 112 208)(line_width 1))
	)
)
(symbol
	(rect 720 64 848 160)
	(text "speaker" (rect 5 0 43 12)(font "Arial" ))
	(text "inst3" (rect 8 80 31 92)(font "Arial" ))
	(port
		(pt 0 32)
		(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))
	)
	(port
		(pt 0 48)
		(input)
		(text "tone[10..0]" (rect 0 0 53 12)(font "Arial" ))
		(text "tone[10..0]" (rect 21 43 74 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 3))
	)
	(port
		(pt 128 32)
		(output)
		(text "spks" (rect 0 0 23 12)(font "Arial" ))
		(text "spks" (rect 84 27 107 39)(font "Arial" ))
		(line (pt 128 32)(pt 112 32)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 112 80)(line_width 1))
	)
)
(symbol
	(rect 440 48 600 144)
	(text "tone_rom" (rect 5 0 51 12)(font "Arial" ))
	(text "inst2" (rect 8 80 31 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "index[3..0]" (rect 0 0 51 12)(font "Arial" ))
		(text "index[3..0]" (rect 21 27 72 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 3))
	)
	(port
		(pt 0 48)
		(input)
		(text "C_G" (rect 0 0 22 12)(font "Arial" ))
		(text "C_G" (rect 21 43 43 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 160 32)
		(output)
		(text "code[3..0]" (rect 0 0 49 12)(font "Arial" ))
		(text "code[3..0]" (rect 90 27 139 39)(font "Arial" ))
		(line (pt 160 32)(pt 144 32)(line_width 3))
	)
	(port
		(pt 160 48)
		(output)
		(text "high[3..0]" (rect 0 0 46 12)(font "Arial" ))
		(text "high[3..0]" (rect 93 43 139 55)(font "Arial" ))
		(line (pt 160 48)(pt 144 48)(line_width 3))
	)
	(port
		(pt 160 64)
		(output)
		(text "tone[10..0]" (rect 0 0 53 12)(font "Arial" ))
		(text "tone[10..0]" (rect 86 59 139 71)(font "Arial" ))
		(line (pt 160 64)(pt 144 64)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 144 80)(line_width 1))
	)
)
(symbol
	(rect 176 48 296 144)
	(text "music_rom" (rect 5 0 59 12)(font "Arial" ))
	(text "inst1" (rect 8 80 31 92)(font "Arial" ))
	(port
		(pt 0 32)
		(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))
	)
	(port
		(pt 120 32)
		(output)
		(text "index[3..0]" (rect 0 0 51 12)(font "Arial" ))
		(text "index[3..0]" (rect 48 27 99 39)(font "Arial" ))
		(line (pt 120 32)(pt 104 32)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 104 80)(line_width 1))
	)
)
(connector
	(pt 248 416)
	(pt 144 416)
)
(connector
	(text "code[3..0]" (rect 608 64 657 76)(font "Arial" ))
	(pt 600 80)
	(pt 640 80)
	(bus)
)
(connector
	(text "high[3..0]" (rect 608 80 654 92)(font "Arial" ))
	(pt 600 96)
	(pt 640 96)
	(bus)
)
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)
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)
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)
(connector
	(text "code[3..0]" (rect 207 304 256 316)(font "Arial" ))
	(pt 248 320)
	(pt 200 320)
	(bus)
)
(connector
	(text "high[3..0]" (rect 208 320 254 332)(font "Arial" ))
	(pt 248 336)
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	(bus)
)
(connector
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)
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)
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)
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(connector
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(connector
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(connector
	(text "tone[10..0]" (rect 634 96 687 108)(font "Arial" ))
	(pt 720 112)
	(pt 600 112)
	(bus)
)
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)
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)
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)
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	(bus)
)
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)
(connector
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)
(connector
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)
(junction (pt 144 80))