alu.bsf

设计带进位算术逻辑运算单元

/*
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) 1991-2007 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 16 144 176)
	(text "alu" (rect 5 0 21 14)(font "Arial" (font_size 8)))
	(text "inst" (rect 8 144 25 156)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "sclk" (rect 0 0 22 14)(font "Arial" (font_size 8)))
		(text "sclk" (rect 21 27 43 41)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "IN[8..1]" (rect 0 0 38 14)(font "Arial" (font_size 8)))
		(text "IN[8..1]" (rect 21 43 59 57)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 3))
	)
	(port
		(pt 0 64)
		(input)
		(text "a0_b1" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "a0_b1" (rect 21 59 56 73)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "m" (rect 0 0 9 14)(font "Arial" (font_size 8)))
		(text "m" (rect 21 75 30 89)(font "Arial" (font_size 8)))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "cn" (rect 0 0 14 14)(font "Arial" (font_size 8)))
		(text "cn" (rect 21 91 35 105)(font "Arial" (font_size 8)))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 0 112)
		(input)
		(text "t4" (rect 0 0 10 14)(font "Arial" (font_size 8)))
		(text "t4" (rect 21 107 31 121)(font "Arial" (font_size 8)))
		(line (pt 0 112)(pt 16 112)(line_width 1))
	)
	(port
		(pt 128 32)
		(output)
		(text "S[3..0]" (rect 0 0 36 14)(font "Arial" (font_size 8)))
		(text "S[3..0]" (rect 71 27 107 41)(font "Arial" (font_size 8)))
		(line (pt 128 32)(pt 112 32)(line_width 3))
	)
	(port
		(pt 128 48)
		(output)
		(text "A[7..0]" (rect 0 0 37 14)(font "Arial" (font_size 8)))
		(text "A[7..0]" (rect 70 43 107 57)(font "Arial" (font_size 8)))
		(line (pt 128 48)(pt 112 48)(line_width 3))
	)
	(port
		(pt 128 64)
		(output)
		(text "B[7..0]" (rect 0 0 36 14)(font "Arial" (font_size 8)))
		(text "B[7..0]" (rect 71 59 107 73)(font "Arial" (font_size 8)))
		(line (pt 128 64)(pt 112 64)(line_width 3))
	)
	(port
		(pt 128 80)
		(output)
		(text "F[7..0]" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "F[7..0]" (rect 72 75 107 89)(font "Arial" (font_size 8)))
		(line (pt 128 80)(pt 112 80)(line_width 3))
	)
	(port
		(pt 128 96)
		(output)
		(text "co" (rect 0 0 14 14)(font "Arial" (font_size 8)))
		(text "co" (rect 93 91 107 105)(font "Arial" (font_size 8)))
		(line (pt 128 96)(pt 112 96)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 112 144)(line_width 1))
	)
)