yb_cnt4.bdf

在quartus开发环境下

		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 13 2 25 13)(font "Courier New" (bold))(vertical)(invisible))
		(line (pt 16 0)(pt 16 13)(line_width 1))
	)
	(port
		(pt 16 48)
		(output)
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 13 32 25 49)(font "Courier New" (bold))(vertical)(invisible))
		(line (pt 16 39)(pt 16 48)(line_width 1))
	)
	(drawing
		(line (pt 7 13)(pt 25 13)(line_width 1))
		(line (pt 25 13)(pt 16 31)(line_width 1))
		(line (pt 7 13)(pt 16 31)(line_width 1))
		(circle (rect 12 31 20 39)(line_width 1))
	)
	(rotate270)
)
(symbol
	(rect 496 176 560 256)
	(text "DFF" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst6" (rect 3 68 26 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))
	)
	(drawing
		(line (pt 12 12)(pt 52 12)(line_width 1))
		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 52 68)(pt 52 12)(line_width 1))
		(line (pt 12 68)(pt 12 12)(line_width 1))
		(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 584 216 616 264)
	(text "NOT" (rect 22 1 32 21)(font "Arial" (font_size 6))(vertical))
	(text "inst7" (rect -1 3 11 26)(font "Arial" )(vertical))
	(port
		(pt 16 0)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 13 2 25 13)(font "Courier New" (bold))(vertical)(invisible))
		(line (pt 16 0)(pt 16 13)(line_width 1))
	)
	(port
		(pt 16 48)
		(output)
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 13 32 25 49)(font "Courier New" (bold))(vertical)(invisible))
		(line (pt 16 39)(pt 16 48)(line_width 1))
	)
	(drawing
		(line (pt 7 13)(pt 25 13)(line_width 1))
		(line (pt 25 13)(pt 16 31)(line_width 1))
		(line (pt 7 13)(pt 16 31)(line_width 1))
		(circle (rect 12 31 20 39)(line_width 1))
	)
	(rotate270)
)
(connector
	(pt 128 208)
	(pt 128 192)
)
(connector
	(pt 128 256)
	(pt 128 280)
)
(connector
	(pt 168 280)
	(pt 168 208)
)
(connector
	(pt 288 216)
	(pt 288 192)
)
(connector
	(pt 288 264)
	(pt 288 280)
)
(connector
	(pt 320 216)
	(pt 344 216)
)
(connector
	(pt 448 216)
	(pt 448 200)
)
(connector
	(pt 448 264)
	(pt 448 280)
)
(connector
	(pt 600 200)
	(pt 600 216)
)
(connector
	(pt 128 280)
	(pt 168 280)
)
(connector
	(pt 288 280)
	(pt 320 280)
)
(connector
	(pt 320 144)
	(pt 168 144)
)
(connector
	(pt 320 144)
	(pt 320 216)
)
(connector
	(pt 320 216)
	(pt 320 280)
)
(connector
	(pt 168 144)
	(pt 168 192)
)
(connector
	(pt 168 192)
	(pt 184 192)
)
(connector
	(pt 152 208)
	(pt 152 144)
)
(connector
	(pt 152 208)
	(pt 168 208)
)
(connector
	(pt 168 208)
	(pt 184 208)
)
(connector
	(pt 152 144)
	(pt 8 144)
)
(connector
	(pt 8 144)
	(pt 8 192)
)
(connector
	(pt 8 192)
	(pt 24 192)
)
(connector
	(pt 328 152)
	(pt 328 200)
)
(connector
	(pt 328 200)
	(pt 344 200)
)
(connector
	(pt 600 264)
	(pt 600 280)
)
(connector
	(pt 624 280)
	(pt 600 280)
)
(connector
	(pt 624 280)
	(pt 624 152)
)
(connector
	(pt 624 152)
	(pt 488 152)
)
(connector
	(pt 328 152)
	(pt 472 152)
)
(connector
	(pt 448 280)
	(pt 472 280)
)
(connector
	(pt 472 216)
	(pt 496 216)
)
(connector
	(pt 472 152)
	(pt 472 216)
)
(connector
	(pt 472 216)
	(pt 472 280)
)
(connector
	(pt 488 152)
	(pt 488 200)
)
(connector
	(pt 488 200)
	(pt 496 200)
)
(connector
	(pt -8 208)
	(pt 24 208)
)
(connector
	(pt 120 192)
	(pt 120 120)
)
(connector
	(pt 88 192)
	(pt 120 192)
)
(connector
	(pt 120 192)
	(pt 128 192)
)
(connector
	(pt 272 120)
	(pt 272 192)
)
(connector
	(pt 288 192)
	(pt 272 192)
)
(connector
	(pt 272 192)
	(pt 248 192)
)
(connector
	(pt 432 128)
	(pt 432 200)
)
(connector
	(pt 448 200)
	(pt 432 200)
)
(connector
	(pt 432 200)
	(pt 408 200)
)
(connector
	(pt 576 128)
	(pt 576 200)
)
(connector
	(pt 560 200)
	(pt 576 200)
)
(connector
	(pt 576 200)
	(pt 600 200)
)
(connector
	(pt 56 296)
	(pt 56 248)
)
(connector
	(pt -8 296)
	(pt 56 296)
)
(connector
	(pt 216 296)
	(pt 216 248)
)
(connector
	(pt 376 256)
	(pt 376 296)
)
(connector
	(pt 56 296)
	(pt 216 296)
)
(connector
	(pt 528 256)
	(pt 528 296)
)
(connector
	(pt 216 296)
	(pt 376 296)
)
(connector
	(pt 376 296)
	(pt 528 296)
)
(junction (pt 320 216))
(junction (pt 168 208))
(junction (pt 472 216))
(junction (pt 120 192))
(junction (pt 272 192))
(junction (pt 432 200))
(junction (pt 576 200))
(junction (pt 56 296))
(junction (pt 216 296))
(junction (pt 376 296))