keyboard1.bdf

VHDL基础的编程源代码

	(port
		(pt 0 48)
		(input)
		(text "mode" (rect 0 0 27 12)(font "Arial" ))
		(text "mode" (rect 21 43 48 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "reset" (rect 0 0 24 12)(font "Arial" ))
		(text "reset" (rect 21 59 45 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 200 32)
		(output)
		(text "row0[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row0[7..0]" (rect 131 27 179 39)(font "Arial" ))
		(line (pt 200 32)(pt 184 32)(line_width 3))
	)
	(port
		(pt 200 48)
		(output)
		(text "row1[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row1[7..0]" (rect 131 43 179 55)(font "Arial" ))
		(line (pt 200 48)(pt 184 48)(line_width 3))
	)
	(port
		(pt 200 64)
		(output)
		(text "row2[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row2[7..0]" (rect 131 59 179 71)(font "Arial" ))
		(line (pt 200 64)(pt 184 64)(line_width 3))
	)
	(port
		(pt 200 80)
		(output)
		(text "row3[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row3[7..0]" (rect 131 75 179 87)(font "Arial" ))
		(line (pt 200 80)(pt 184 80)(line_width 3))
	)
	(port
		(pt 200 96)
		(output)
		(text "row4[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row4[7..0]" (rect 131 91 179 103)(font "Arial" ))
		(line (pt 200 96)(pt 184 96)(line_width 3))
	)
	(port
		(pt 200 112)
		(output)
		(text "row5[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row5[7..0]" (rect 131 107 179 119)(font "Arial" ))
		(line (pt 200 112)(pt 184 112)(line_width 3))
	)
	(port
		(pt 200 128)
		(output)
		(text "row6[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row6[7..0]" (rect 131 123 179 135)(font "Arial" ))
		(line (pt 200 128)(pt 184 128)(line_width 3))
	)
	(port
		(pt 200 144)
		(output)
		(text "row7[7..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "row7[7..0]" (rect 131 139 179 151)(font "Arial" ))
		(line (pt 200 144)(pt 184 144)(line_width 3))
	)
	(parameter
		"element_count"
		"222"
		""
	)
	(drawing
		(rectangle (rect 16 16 184 176)(line_width 1))
	)
	(annotation_block (parameter)(rect 792 480 904 512))
)
(symbol
	(rect 464 224 744 352)
	(text "delay_kbtingle" (rect 5 0 75 12)(font "Arial" ))
	(text "inst4" (rect 8 112 31 124)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "row_select[keyboard_size-1..0]" (rect 0 0 152 12)(font "Arial" ))
		(text "row_select[keyboard_size-1..0]" (rect 21 27 173 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 3))
	)
	(port
		(pt 0 48)
		(input)
		(text "row_data[keyboard_size-1..0]" (rect 0 0 143 12)(font "Arial" ))
		(text "row_data[keyboard_size-1..0]" (rect 21 43 164 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 3))
	)
	(port
		(pt 0 64)
		(input)
		(text "clock" (rect 0 0 25 12)(font "Arial" ))
		(text "clock" (rect 21 59 46 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "en" (rect 0 0 11 12)(font "Arial" ))
		(text "en" (rect 21 75 32 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "reset" (rect 0 0 24 12)(font "Arial" ))
		(text "reset" (rect 21 91 45 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 280 32)
		(output)
		(text "key_data[7..0]" (rect 0 0 71 12)(font "Arial" ))
		(text "key_data[7..0]" (rect 188 27 259 39)(font "Arial" ))
		(line (pt 280 32)(pt 264 32)(line_width 3))
	)
	(port
		(pt 280 48)
		(output)
		(text "key_down" (rect 0 0 49 12)(font "Arial" ))
		(text "key_down" (rect 210 43 259 55)(font "Arial" ))
		(line (pt 280 48)(pt 264 48)(line_width 1))
	)
	(parameter
		"keyboard_size"
		"4"
		""
	)
	(drawing
		(rectangle (rect 16 16 264 112)(line_width 1))
	)
	(annotation_block (parameter)(rect 744 192 856 224))
)
(connector
	(pt 80 96)
	(pt 104 96)
)
(connector
	(pt 256 112)
	(pt 256 176)
)
(connector
	(pt 256 176)
	(pt 96 176)
)
(connector
	(pt 96 176)
	(pt 96 224)
)
(connector
	(pt 96 224)
	(pt 104 224)
)
(connector
	(pt 256 240)
	(pt 256 296)
)
(connector
	(pt 96 296)
	(pt 96 344)
)
(connector
	(pt 96 344)
	(pt 104 344)
)
(connector
	(pt 88 360)
	(pt 104 360)
)
(connector
	(pt 80 112)
	(pt 88 112)
)
(connector
	(pt 88 112)
	(pt 104 112)
)
(connector
	(pt 104 240)
	(pt 88 240)
)
(connector
	(pt 88 112)
	(pt 88 240)
)
(connector
	(pt 248 360)
	(pt 432 360)
)
(connector
	(pt 432 96)
	(pt 464 96)
)
(connector
	(pt 432 304)
	(pt 464 304)
)
(connector
	(pt 432 360)
	(pt 432 304)
)
(connector
	(pt 432 304)
	(pt 432 96)
)
(connector
	(pt 408 240)
	(pt 408 288)
)
(connector
	(pt 408 288)
	(pt 464 288)
)
(connector
	(pt 88 240)
	(pt 88 360)
)
(connector
	(pt 456 112)
	(pt 464 112)
)
(connector
	(pt 456 320)
	(pt 464 320)
)
(connector
	(pt 456 424)
	(pt 456 320)
)
(connector
	(pt 456 320)
	(pt 456 112)
)
(connector
	(pt 464 272)
	(pt 440 272)
	(bus)
)
(connector
	(pt 440 272)
	(pt 440 448)
	(bus)
)
(connector
	(pt 464 256)
	(pt 440 256)
	(bus)
)
(connector
	(pt 440 256)
	(pt 440 176)
	(bus)
)
(connector
	(pt 440 176)
	(pt 704 176)
	(bus)
)
(connector
	(pt 704 176)
	(pt 704 96)
	(bus)
)
(connector
	(pt 88 424)
	(pt 456 424)
)
(connector
	(pt 840 272)
	(pt 848 272)
)
(connector
	(pt 696 96)
	(pt 704 96)
	(bus)
)
(connector
	(pt 704 96)
	(pt 1048 96)
	(bus)
)
(connector
	(pt 1032 256)
	(pt 1032 480)
	(bus)
)
(connector
	(pt 1032 256)
	(pt 1016 256)
	(bus)
)
(connector
	(pt 72 448)
	(pt 440 448)
	(bus)
)
(connector
	(pt 256 296)
	(pt 96 296)
)
(connector
	(pt 248 112)
	(pt 256 112)
)
(connector
	(pt 248 240)
	(pt 256 240)
)
(connector
	(pt 256 240)
	(pt 408 240)
)
(connector
	(pt 88 360)
	(pt 88 424)
)
(connector
	(pt 256 112)
	(pt 280 112)
)
(connector
	(pt 840 272)
	(pt 840 424)
)
(connector
	(pt 280 728)
	(pt 816 728)
)
(connector
	(pt 280 112)
	(pt 280 728)
)
(connector
	(pt 840 672)
	(pt 816 672)
)
(connector
	(pt 816 672)
	(pt 816 728)
)
(connector
	(pt 88 424)
	(pt 88 736)
)
(connector
	(pt 832 736)
	(pt 832 688)
)
(connector
	(pt 832 688)
	(pt 840 688)
)
(connector
	(pt 1048 544)
	(pt 1016 544)
	(bus)
)
(connector
	(pt 456 424)
	(pt 840 424)
)
(connector
	(pt 784 544)
	(pt 840 544)
	(bus)
)
(connector
	(pt 784 560)
	(pt 840 560)
	(bus)
)
(connector
	(pt 784 576)
	(pt 840 576)
	(bus)
)
(connector
	(pt 784 592)
	(pt 840 592)
	(bus)
)
(connector
	(pt 784 608)
	(pt 840 608)
	(bus)
)
(connector
	(pt 784 624)
	(pt 840 624)
	(bus)
)
(connector
	(pt 784 640)
	(pt 840 640)
	(bus)
)
(connector
	(pt 784 656)
	(pt 840 656)
	(bus)
)
(connector
	(pt 1032 480)
	(pt 560 480)
	(bus)
)
(connector
	(pt 560 480)
	(pt 560 544)
	(bus)
)
(connector
	(pt 560 544)
	(pt 584 544)
	(bus)
)
(connector
	(pt 584 560)
	(pt 544 560)
)
(connector
	(pt 576 576)
	(pt 576 736)
)
(connector
	(pt 576 576)
	(pt 584 576)
)
(connector
	(pt 88 736)
	(pt 576 736)
)
(connector
	(pt 576 736)
	(pt 832 736)
)
(connector
	(pt 744 256)
	(pt 848 256)
	(bus)
)
(junction (pt 88 112))
(junction (pt 88 240))
(junction (pt 432 304))
(junction (pt 88 360))
(junction (pt 456 320))
(junction (pt 456 424))
(junction (pt 704 96))
(junction (pt 88 424))
(junction (pt 256 112))
(junction (pt 256 240))
(junction (pt 576 736))