vga_pll.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 0 0 256 160)
	(text "VGA_PLL" (rect 99 0 167 16)(font "Arial" (font_size 10)))
	(text "inst" (rect 8 144 25 156)(font "Arial" ))
	(port
		(pt 0 64)
		(input)
		(text "inclk0" (rect 0 0 31 14)(font "Arial" (font_size 8)))
		(text "inclk0" (rect 4 51 31 64)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 40 64)(line_width 1))
	)
	(port
		(pt 256 64)
		(output)
		(text "c0" (rect 0 0 14 14)(font "Arial" (font_size 8)))
		(text "c0" (rect 241 51 252 64)(font "Arial" (font_size 8)))
		(line (pt 256 64)(pt 208 64)(line_width 1))
	)
	(port
		(pt 256 80)
		(output)
		(text "locked" (rect 0 0 36 14)(font "Arial" (font_size 8)))
		(text "locked" (rect 222 67 252 80)(font "Arial" (font_size 8)))
		(line (pt 256 80)(pt 208 80)(line_width 1))
	)
	(drawing
		(text "Cyclone" (rect 213 145 248 157)(font "Arial" ))
		(text "inclk0 frequency: 50.000 MHz" (rect 50 59 175 71)(font "Arial" ))
		(text "Operation Mode: Normal" (rect 50 73 151 85)(font "Arial" ))
		(text "Clk " (rect 51 96 68 108)(font "Arial" ))
		(text "Ratio" (rect 73 96 95 108)(font "Arial" ))
		(text "Ph (dg)" (rect 100 96 130 108)(font "Arial" ))
		(text "DC (%)" (rect 135 96 166 108)(font "Arial" ))
		(text "c0" (rect 54 111 64 123)(font "Arial" ))
		(text "4/5" (rect 78 111 91 123)(font "Arial" ))
		(text "0.00" (rect 106 111 124 123)(font "Arial" ))
		(text "50.00" (rect 139 111 162 123)(font "Arial" ))
		(line (pt 0 0)(pt 257 0)(line_width 1))
		(line (pt 257 0)(pt 257 161)(line_width 1))
		(line (pt 0 161)(pt 257 161)(line_width 1))
		(line (pt 0 0)(pt 0 161)(line_width 1))
		(line (pt 48 94)(pt 168 94)(line_width 1))
		(line (pt 48 108)(pt 168 108)(line_width 1))
		(line (pt 48 123)(pt 168 123)(line_width 1))
		(line (pt 48 94)(pt 48 123)(line_width 1))
		(line (pt 70 94)(pt 70 123)(line_width 3))
		(line (pt 97 94)(pt 97 123)(line_width 3))
		(line (pt 132 94)(pt 132 123)(line_width 3))
		(line (pt 167 94)(pt 167 123)(line_width 1))
		(line (pt 40 48)(pt 208 48)(line_width 1))
		(line (pt 208 48)(pt 208 144)(line_width 1))
		(line (pt 40 144)(pt 208 144)(line_width 1))
		(line (pt 40 48)(pt 40 144)(line_width 1))
	)
)