reg16.bdf

采用nios2的嵌入式数字钟的设计与实现

		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 12 12)(pt 52 12)(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 12 34)(pt 19 41)(line_width 1))
		(line (pt 18 41)(pt 12 47)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
	)
)
(symbol
	(rect 376 488 424 520)
	(text "NOT" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst33" (rect 3 21 30 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 400 576 464 656)
	(text "DFFE" (rect 1 0 24 10)(font "Arial" (font_size 6)))
	(text "inst34" (rect 3 68 30 80)(font "Arial" ))
	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 40 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 40 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 32 80)
		(input)
		(text "CLRN" (rect 21 59 43 71)(font "Courier New" (bold)))
		(text "CLRN" (rect 21 58 43 70)(font "Courier New" (bold)))
		(line (pt 32 80)(pt 32 76)(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 0 40)
		(input)
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(line (pt 0 40)(pt 12 40)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(line (pt 0 56)(pt 12 56)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(line (pt 53 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 12 12)(pt 52 12)(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 12 34)(pt 19 41)(line_width 1))
		(line (pt 18 41)(pt 12 47)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
	)
)
(symbol
	(rect 376 664 424 696)
	(text "NOT" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst36" (rect 3 21 30 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 560 48 624 128)
	(text "DFFE" (rect 1 0 24 10)(font "Arial" (font_size 6)))
	(text "inst37" (rect 3 68 30 80)(font "Arial" ))
	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 40 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 40 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 32 80)
		(input)
		(text "CLRN" (rect 21 59 43 71)(font "Courier New" (bold)))
		(text "CLRN" (rect 21 58 43 70)(font "Courier New" (bold)))
		(line (pt 32 80)(pt 32 76)(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 0 40)
		(input)
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(line (pt 0 40)(pt 12 40)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(line (pt 0 56)(pt 12 56)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(line (pt 53 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 12 12)(pt 52 12)(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 12 34)(pt 19 41)(line_width 1))
		(line (pt 18 41)(pt 12 47)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
	)
)
(symbol
	(rect 536 136 584 168)
	(text "NOT" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst39" (rect 3 21 30 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 560 224 624 304)
	(text "DFFE" (rect 1 0 24 10)(font "Arial" (font_size 6)))
	(text "inst40" (rect 3 68 30 80)(font "Arial" ))
	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 40 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 40 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 32 80)
		(input)
		(text "CLRN" (rect 21 59 43 71)(font "Courier New" (bold)))
		(text "CLRN" (rect 21 58 43 70)(font "Courier New" (bold)))
		(line (pt 32 80)(pt 32 76)(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 0 40)
		(input)
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(line (pt 0 40)(pt 12 40)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(line (pt 0 56)(pt 12 56)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(line (pt 53 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 12 12)(pt 52 12)(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 12 34)(pt 19 41)(line_width 1))
		(line (pt 18 41)(pt 12 47)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
	)
)
(symbol
	(rect 536 312 584 344)
	(text "NOT" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst42" (rect 3 21 30 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 560 400 624 480)
	(text "DFFE" (rect 1 0 24 10)(font "Arial" (font_size 6)))
	(text "inst43" (rect 3 68 30 80)(font "Arial" ))
	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 40 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 40 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 32 80)
		(input)
		(text "CLRN" (rect 21 59 43 71)(font "Courier New" (bold)))
		(text "CLRN" (rect 21 58 43 70)(font "Courier New" (bold)))
		(line (pt 32 80)(pt 32 76)(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 0 40)
		(input)
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(line (pt 0 40)(pt 12 40)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(line (pt 0 56)(pt 12 56)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(line (pt 53 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 12 12)(pt 52 12)(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 12 34)(pt 19 41)(line_width 1))
		(line (pt 18 41)(pt 12 47)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
	)
)
(symbol
	(rect 536 488 584 520)
	(text "NOT" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst45" (rect 3 21 30 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 560 576 624 656)
	(text "DFFE" (rect 1 0 24 10)(font "Arial" (font_size 6)))
	(text "inst46" (rect 3 68 30 80)(font "Arial" ))
	(port
		(pt 32 0)
		(input)
		(text "PRN" (rect 24 13 40 25)(font "Courier New" (bold)))
		(text "PRN" (rect 24 11 40 23)(font "Courier New" (bold)))
		(line (pt 32 4)(pt 32 0)(line_width 1))
	)
	(port
		(pt 32 80)
		(input)
		(text "CLRN" (rect 21 59 43 71)(font "Courier New" (bold)))
		(text "CLRN" (rect 21 58 43 70)(font "Courier New" (bold)))
		(line (pt 32 80)(pt 32 76)(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 0 40)
		(input)
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(text "CLK" (rect 2 28 18 40)(font "Courier New" (bold))(invisible))
		(line (pt 0 40)(pt 12 40)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(text "ENA" (rect 14 50 30 62)(font "Courier New" (bold)))
		(line (pt 0 56)(pt 12 56)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
		(line (pt 53 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 12 68)(pt 52 68)(line_width 1))
		(line (pt 12 12)(pt 52 12)(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 12 34)(pt 19 41)(line_width 1))
		(line (pt 18 41)(pt 12 47)(line_width 1))
		(circle (rect 28 4 36 12)(line_width 1))
		(circle (rect 28 68 36 76)(line_width 1))
	)
)
(symbol
	(rect 536 664 584 696)
	(text "NOT" (rect 1 0 19 10)(font "Arial" (font_size 6)))
	(text "inst48" (rect 3 21 30 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 48 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(connector
	(pt 104 152)
	(pt 112 152)
)
(connector
	(pt 112 152)
	(pt 112 128)
)
(connector
	(text "clr" (rect 48 136 61 150)(font "Arial" (font_size 8)))
	(pt 56 152)
	(pt 48 152)
)
(connector
	(text "clk" (rect 58 72 72 86)(font "Arial" (font_size 8)))
	(pt 80 88)
	(pt 48 88)
)
(connector
	(text "en" (rect 58 88 71 102)(font "Arial" (font_size 8)))
	(pt 80 104)
	(pt 48 104)
)
(connector
	(pt 104 328)
	(pt 112 328)
)
(connector
	(pt 112 328)
	(pt 112 304)
)
(connector
	(text "clr" (rect 48 312 61 326)(font "Arial" (font_size 8)))
	(pt 56 328)
	(pt 48 328)
)
(connector
	(text "clk" (rect 58 248 72 262)(font "Arial" (font_size 8)))
	(pt 80 264)
	(pt 48 264)
)
(connector