vga_vl.bsf

this a sample about the VGA BLUE,the function of this code is show blue in VGA,it s default installa

/*
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) 1991-2005 Altera Corporation
Any  megafunction  design,  and related netlist (encrypted  or  decrypted),
support information,  device programming or simulation file,  and any other
associated  documentation or information  provided by  Altera  or a partner
under  Altera's   Megafunction   Partnership   Program  may  be  used  only
to program  PLD  devices (but not masked  PLD  devices) from  Altera.   Any
other  use  of such  megafunction  design,  netlist,  support  information,
device programming or simulation file,  or any other  related documentation
or information  is prohibited  for  any  other purpose,  including, but not
limited to  modification,  reverse engineering,  de-compiling, or use  with
any other  silicon devices,  unless such use is  explicitly  licensed under
a separate agreement with  Altera  or a megafunction partner.  Title to the
intellectual property,  including patents,  copyrights,  trademarks,  trade
secrets,  or maskworks,  embodied in any such megafunction design, netlist,
support  information,  device programming or simulation file,  or any other
related documentation or information provided by  Altera  or a megafunction
partner, remains with Altera, the megafunction partner, or their respective
licensors. No other licenses, including any licenses needed under any third
party's intellectual property, are provided herein.
*/
(header "symbol" (version "1.1"))
(symbol
	(rect 16 16 152 144)
	(text "vga_vl" (rect 5 0 39 12)(font "Arial" ))
	(text "inst" (rect 8 112 25 124)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "resetn" (rect 0 0 30 12)(font "Arial" ))
		(text "resetn" (rect 21 27 51 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "clock" (rect 0 0 25 12)(font "Arial" ))
		(text "clock" (rect 21 43 46 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "orient" (rect 0 0 27 12)(font "Arial" ))
		(text "orient" (rect 21 59 48 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 136 32)
		(output)
		(text "hsync" (rect 0 0 30 12)(font "Arial" ))
		(text "hsync" (rect 85 27 115 39)(font "Arial" ))
		(line (pt 136 32)(pt 120 32)(line_width 1))
	)
	(port
		(pt 136 48)
		(output)
		(text "vsync" (rect 0 0 31 12)(font "Arial" ))
		(text "vsync" (rect 84 43 115 55)(font "Arial" ))
		(line (pt 136 48)(pt 120 48)(line_width 1))
	)
	(port
		(pt 136 64)
		(output)
		(text "blank" (rect 0 0 25 12)(font "Arial" ))
		(text "blank" (rect 90 59 115 71)(font "Arial" ))
		(line (pt 136 64)(pt 120 64)(line_width 1))
	)
	(port
		(pt 136 80)
		(output)
		(text "pixel[2..0]" (rect 0 0 48 12)(font "Arial" ))
		(text "pixel[2..0]" (rect 67 75 115 87)(font "Arial" ))
		(line (pt 136 80)(pt 120 80)(line_width 3))
	)
	(parameter
		"H_PIXELS"
		"32'b00000000000000000000001100100110"
		""
	)
	(parameter
		"H_FRONTPORCH"
		"32'b00000000000000000000000000100101"
		""
	)
	(parameter
		"H_SYNCTIME"
		"32'b00000000000000000000000010000000"
		""
	)
	(parameter
		"H_BACKPORCH"
		"32'b00000000000000000000000001010101"
		""
	)
	(parameter
		"H_SYNCSTART"
		"32'b00000000000000000000001101001011"
		""
	)
	(parameter
		"H_SYNCEND"
		"32'b00000000000000000000001111001011"
		""
	)
	(parameter
		"H_PERIOD"
		"32'b00000000000000000000010000100000"
		""
	)
	(parameter
		"V_LINES"
		"32'b00000000000000000000001001011100"
		""
	)
	(parameter
		"V_FRONTPORCH"
		"-1"
		""
	)
	(parameter
		"V_SYNCTIME"
		"32'b00000000000000000000000000000100"
		""
	)
	(parameter
		"V_BACKPORCH"
		"32'b00000000000000000000000000010101"
		""
	)
	(parameter
		"V_SYNCSTART"
		"32'b00000000000000000000001001011011"
		""
	)
	(parameter
		"V_SYNCEND"
		"32'b00000000000000000000001001011111"
		""
	)
	(parameter
		"V_PERIOD"
		"32'b00000000000000000000001001110100"
		""
	)
	(drawing
		(rectangle (rect 16 16 120 112)(line_width 1))
	)
	(annotation_block (parameter)(rect 152 -64 252 16))
)