tone_rom.bsf

来自「这是一个在Quartus II软件中编写的vhdl程序。程序下载后可用蜂鸣器播放」· BSF 代码 · 共 65 行

/*
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 16 176 112)
	(text "tone_rom" (rect 5 0 51 12)(font "Arial" ))
	(text "inst" (rect 8 80 25 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "index[3..0]" (rect 0 0 51 12)(font "Arial" ))
		(text "index[3..0]" (rect 21 27 72 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 3))
	)
	(port
		(pt 0 48)
		(input)
		(text "C_G" (rect 0 0 22 12)(font "Arial" ))
		(text "C_G" (rect 21 43 43 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 160 32)
		(output)
		(text "code[3..0]" (rect 0 0 49 12)(font "Arial" ))
		(text "code[3..0]" (rect 90 27 139 39)(font "Arial" ))
		(line (pt 160 32)(pt 144 32)(line_width 3))
	)
	(port
		(pt 160 48)
		(output)
		(text "high[3..0]" (rect 0 0 46 12)(font "Arial" ))
		(text "high[3..0]" (rect 93 43 139 55)(font "Arial" ))
		(line (pt 160 48)(pt 144 48)(line_width 3))
	)
	(port
		(pt 160 64)
		(output)
		(text "tone[10..0]" (rect 0 0 53 12)(font "Arial" ))
		(text "tone[10..0]" (rect 86 59 139 71)(font "Arial" ))
		(line (pt 160 64)(pt 144 64)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 144 80)(line_width 1))
	)
)