keyboard.bsf

VHDL编写的

/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/
/*
Copyright (C) 1991-2008 Altera Corporation
Your use of Altera Corporation's design tools, logic functions 
and other software and tools, and its AMPP partner logic 
functions, and any output files from any of the foregoing 
(including device programming or simulation files), and any 
associated documentation or information are expressly subject 
to the terms and conditions of the Altera Program License 
Subscription Agreement, Altera MegaCore Function License 
Agreement, or other applicable license agreement, including, 
without limitation, that your use is for the sole purpose of 
programming logic devices manufactured by Altera and sold by 
Altera or its authorized distributors.  Please refer to the 
applicable agreement for further details.
*/
(header "symbol" (version "1.1"))
(symbol
	(rect 16 16 184 208)
	(text "keyboard" (rect 5 0 51 12)(font "Arial" ))
	(text "inst" (rect 8 176 25 188)(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 "keyin[3..0]" (rect 0 0 53 12)(font "Arial" ))
		(text "keyin[3..0]" (rect 21 43 74 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 3))
	)
	(port
		(pt 168 32)
		(output)
		(text "keyout[3..0]" (rect 0 0 60 12)(font "Arial" ))
		(text "keyout[3..0]" (rect 87 27 147 39)(font "Arial" ))
		(line (pt 168 32)(pt 152 32)(line_width 3))
	)
	(port
		(pt 168 48)
		(output)
		(text "reset" (rect 0 0 24 12)(font "Arial" ))
		(text "reset" (rect 123 43 147 55)(font "Arial" ))
		(line (pt 168 48)(pt 152 48)(line_width 1))
	)
	(port
		(pt 168 64)
		(output)
		(text "cnt" (rect 0 0 15 12)(font "Arial" ))
		(text "cnt" (rect 132 59 147 71)(font "Arial" ))
		(line (pt 168 64)(pt 152 64)(line_width 1))
	)
	(port
		(pt 168 80)
		(output)
		(text "updown" (rect 0 0 36 12)(font "Arial" ))
		(text "updown" (rect 111 75 147 87)(font "Arial" ))
		(line (pt 168 80)(pt 152 80)(line_width 1))
	)
	(port
		(pt 168 96)
		(output)
		(text "set" (rect 0 0 15 12)(font "Arial" ))
		(text "set" (rect 132 91 147 103)(font "Arial" ))
		(line (pt 168 96)(pt 152 96)(line_width 1))
	)
	(port
		(pt 168 112)
		(output)
		(text "set_sec" (rect 0 0 38 12)(font "Arial" ))
		(text "set_sec" (rect 109 107 147 119)(font "Arial" ))
		(line (pt 168 112)(pt 152 112)(line_width 1))
	)
	(port
		(pt 168 128)
		(output)
		(text "set_secl" (rect 0 0 41 12)(font "Arial" ))
		(text "set_secl" (rect 106 123 147 135)(font "Arial" ))
		(line (pt 168 128)(pt 152 128)(line_width 1))
	)
	(port
		(pt 168 144)
		(output)
		(text "bell_1" (rect 0 0 28 12)(font "Arial" ))
		(text "bell_1" (rect 119 139 147 151)(font "Arial" ))
		(line (pt 168 144)(pt 152 144)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 152 176)(line_width 1))
	)
)