main.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 16 16 272 144)
	(text "main" (rect 5 0 34 15)(font "Times New Roman" (font_size 10)))
	(text "inst" (rect 8 109 31 124)(font "Times New Roman" (font_size 10)))
	(port
		(pt 0 32)
		(input)
		(text "Reset" (rect 0 0 35 15)(font "Times New Roman" (font_size 10)))
		(text "Reset" (rect 21 27 56 42)(font "Times New Roman" (font_size 10)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "Clock_8MHz" (rect 0 0 81 15)(font "Times New Roman" (font_size 10)))
		(text "Clock_8MHz" (rect 21 43 102 58)(font "Times New Roman" (font_size 10)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "Initial_Speed[15..0]" (rect 0 0 120 15)(font "Times New Roman" (font_size 10)))
		(text "Initial_Speed[15..0]" (rect 21 59 141 74)(font "Times New Roman" (font_size 10)))
		(line (pt 0 64)(pt 16 64)(line_width 3))
	)
	(port
		(pt 0 80)
		(input)
		(text "Acceleration[16..0]" (rect 0 0 118 15)(font "Times New Roman" (font_size 10)))
		(text "Acceleration[16..0]" (rect 21 75 139 90)(font "Times New Roman" (font_size 10)))
		(line (pt 0 80)(pt 16 80)(line_width 3))
	)
	(port
		(pt 0 96)
		(input)
		(text "Step_Sum[23..0]" (rect 0 0 101 15)(font "Times New Roman" (font_size 10)))
		(text "Step_Sum[23..0]" (rect 21 91 122 106)(font "Times New Roman" (font_size 10)))
		(line (pt 0 96)(pt 16 96)(line_width 3))
	)
	(port
		(pt 256 32)
		(output)
		(text "Pulse_Wave" (rect 0 0 80 15)(font "Times New Roman" (font_size 10)))
		(text "Pulse_Wave" (rect 155 27 235 42)(font "Times New Roman" (font_size 10)))
		(line (pt 256 32)(pt 240 32)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 240 112)(line_width 1))
	)
)