mult99.bsf

是一些很好的FPGA设计实例

/*
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) 1991-2006 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 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 0 0 160 96)
	(text "mult99" (rect 61 1 107 17)(font "Arial" (font_size 10)))
	(text "inst" (rect 8 80 25 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "address[7..0]" (rect 0 0 75 14)(font "Arial" (font_size 8)))
		(text "address[7..0]" (rect 20 26 79 39)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 3))
	)
	(port
		(pt 0 48)
		(input)
		(text "inclock" (rect 0 0 38 14)(font "Arial" (font_size 8)))
		(text "inclock" (rect 26 42 58 55)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "outclock" (rect 0 0 47 14)(font "Arial" (font_size 8)))
		(text "outclock" (rect 26 58 64 71)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 160 48)
		(output)
		(text "q[7..0]" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "q[7..0]" (rect 111 42 141 55)(font "Arial" (font_size 8)))
		(line (pt 160 48)(pt 144 48)(line_width 3))
	)
	(drawing
		(line (pt 16 16)(pt 144 16)(line_width 1))
		(line (pt 144 16)(pt 144 80)(line_width 1))
		(line (pt 144 80)(pt 16 80)(line_width 1))
		(line (pt 16 80)(pt 16 16)(line_width 1))
		(line (pt 16 42)(pt 22 48)(line_width 1))
		(line (pt 22 48)(pt 16 54)(line_width 1))
		(line (pt 16 58)(pt 22 64)(line_width 1))
		(line (pt 22 64)(pt 16 70)(line_width 1))
	)
)