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📄 alu.bdf

📁 设计带进位算术逻辑运算单元
💻 BDF
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	)
	(port
		(pt 0 96)
		(input)
		(text "M" (rect 0 0 8 12)(font "Arial" ))
		(text "M" (rect 21 91 29 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 1))
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	(port
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		(output)
		(text "F[7..0]" (rect 0 0 33 12)(font "Arial" ))
		(text "F[7..0]" (rect 66 27 99 39)(font "Arial" ))
		(line (pt 120 32)(pt 104 32)(line_width 3))
	)
	(port
		(pt 120 48)
		(output)
		(text "CO" (rect 0 0 16 12)(font "Arial" ))
		(text "CO" (rect 83 43 99 55)(font "Arial" ))
		(line (pt 120 48)(pt 104 48)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 104 112)(line_width 1))
	)
)
(symbol
	(rect 368 216 432 296)
	(text "DFF" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst" (rect 3 68 20 80)(font "Arial" ))
	(port
		(pt 32 80)
		(input)
		(text "CLRN" (rect 21 59 44 71)(font "Courier New" (bold)))
		(text "CLRN" (rect 21 58 44 70)(font "Courier New" (bold)))
		(line (pt 32 80)(pt 32 76)(line_width 1))
	)
	(port
		(pt 0 40)
		(input)
		(text "CLK" (rect 3 29 20 41)(font "Courier New" (bold))(invisible))
		(text "CLK" (rect 3 29 20 41)(font "Courier New" (bold))(invisible))
		(line (pt 0 40)(pt 12 40)(line_width 1))
	)
	(port
		(pt 0 24)
		(input)
		(text "D" (rect 14 20 19 32)(font "Courier New" (bold)))
		(text "D" (rect 14 20 19 32)(font "Courier New" (bold)))
		(line (pt 0 24)(pt 12 24)(line_width 1))
	)
	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 41 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 41 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 45 20 50 32)(font "Courier New" (bold)))
		(text "Q" (rect 45 20 50 32)(font "Courier New" (bold)))
		(line (pt 52 24)(pt 64 24)(line_width 1))
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	(drawing
		(line (pt 12 12)(pt 52 12)(line_width 1))
		(line (pt 12 68)(pt 52 68)(line_width 1))
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		(line (pt 19 40)(pt 12 47)(line_width 1))
		(line (pt 12 32)(pt 20 40)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
	)
)
(symbol
	(rect 224 328 288 376)
	(text "AND2" (rect 1 0 25 10)(font "Arial" (font_size 6)))
	(text "inst7" (rect 3 37 26 49)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN1" (rect 2 7 19 19)(font "Courier New" (bold))(invisible))
		(text "IN1" (rect 2 7 19 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 14 16)(line_width 1))
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	(port
		(pt 0 32)
		(input)
		(text "IN2" (rect 2 23 19 35)(font "Courier New" (bold))(invisible))
		(text "IN2" (rect 2 23 19 35)(font "Courier New" (bold))(invisible))
		(line (pt 0 32)(pt 14 32)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "OUT" (rect 48 15 65 27)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 48 15 65 27)(font "Courier New" (bold))(invisible))
		(line (pt 42 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 14 12)(pt 30 12)(line_width 1))
		(line (pt 14 37)(pt 31 37)(line_width 1))
		(line (pt 14 12)(pt 14 37)(line_width 1))
		(arc (pt 31 37)(pt 30 12)(rect 18 12 43 37)(line_width 1))
	)
)
(symbol
	(rect 72 -72 216 -8)
	(text "lpm_counter1" (rect 33 1 125 17)(font "Arial" (font_size 10)))
	(text "inst8" (rect 8 48 31 60)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clock" (rect 0 0 29 14)(font "Arial" (font_size 8)))
		(text "clock" (rect 26 26 55 40)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 144 40)
		(output)
		(text "q[3..0]" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "q[3..0]" (rect 95 34 130 48)(font "Arial" (font_size 8)))
		(line (pt 144 40)(pt 128 40)(line_width 3))
	)
	(drawing
		(text "up counter" (rect 84 17 135 29)(font "Arial" ))
		(line (pt 16 16)(pt 128 16)(line_width 1))
		(line (pt 128 16)(pt 128 48)(line_width 1))
		(line (pt 128 48)(pt 16 48)(line_width 1))
		(line (pt 16 48)(pt 16 16)(line_width 1))
		(line (pt 16 26)(pt 22 32)(line_width 1))
		(line (pt 22 32)(pt 16 38)(line_width 1))
	)
)
(connector
	(pt 32 72)
	(pt 32 224)
)
(connector
	(pt 32 224)
	(pt 64 224)
)
(connector
	(pt 0 72)
	(pt 32 72)
)
(connector
	(pt 32 72)
	(pt 64 72)
)
(connector
	(pt 0 72)
	(pt 0 152)
)
(connector
	(pt -48 88)
	(pt -48 240)
	(bus)
)
(connector
	(pt -48 240)
	(pt 64 240)
	(bus)
)
(connector
	(pt -88 88)
	(pt -48 88)
	(bus)
)
(connector
	(pt -48 88)
	(pt 64 88)
	(bus)
)
(connector
	(pt 296 304)
	(pt -88 304)
)
(connector
	(pt 200 224)
	(pt 264 224)
	(bus)
)
(connector
	(pt 472 320)
	(pt 344 320)
)
(connector
	(pt 472 240)
	(pt 472 320)
)
(connector
	(pt 472 240)
	(pt 432 240)
)
(connector
	(pt 352 200)
	(pt 352 240)
)
(connector
	(pt 352 240)
	(pt 368 240)
)
(connector
	(pt 288 352)
	(pt 320 352)
)
(connector
	(pt 320 352)
	(pt 320 256)
)
(connector
	(pt 320 256)
	(pt 368 256)
)
(connector
	(pt 224 344)
	(pt -88 344)
)
(connector
	(pt 224 360)
	(pt -88 360)
)
(connector
	(pt 296 304)
	(pt 296 136)
)
(connector
	(pt 296 136)
	(pt 376 136)
)
(connector
	(pt 344 120)
	(pt 376 120)
)
(connector
	(pt 344 320)
	(pt 344 120)
)
(connector
	(pt 512 88)
	(pt 496 88)
)
(connector
	(pt 512 200)
	(pt 512 88)
)
(connector
	(pt 264 88)
	(pt 376 88)
	(bus)
)
(connector
	(pt 320 104)
	(pt 320 -32)
	(bus)
)
(connector
	(pt 320 104)
	(pt 376 104)
	(bus)
)
(connector
	(pt 352 200)
	(pt 512 200)
)
(connector
	(pt 512 200)
	(pt 592 200)
)
(connector
	(pt 232 72)
	(pt 232 0)
	(bus)
)
(connector
	(pt 200 72)
	(pt 232 72)
	(bus)
)
(connector
	(pt 232 72)
	(pt 376 72)
	(bus)
)
(connector
	(pt 232 0)
	(pt 592 0)
	(bus)
)
(connector
	(pt 264 32)
	(pt 592 32)
	(bus)
)
(connector
	(pt 264 32)
	(pt 264 88)
	(bus)
)
(connector
	(pt 264 88)
	(pt 264 224)
	(bus)
)
(connector
	(pt 496 72)
	(pt 592 72)
	(bus)
)
(connector
	(pt 216 -32)
	(pt 320 -32)
	(bus)
)
(connector
	(pt 320 -32)
	(pt 592 -32)
	(bus)
)
(connector
	(pt -88 -40)
	(pt 72 -40)
)
(connector
	(pt -88 104)
	(pt 64 104)
)
(connector
	(pt -88 256)
	(pt 64 256)
)
(junction (pt 32 72))
(junction (pt -48 88))
(junction (pt 320 -32))
(junction (pt 264 88))
(junction (pt 232 72))
(junction (pt 512 200))

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