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git-svn-id: http://svn.code.sf.net/p/netboot65/code@207 93682198-c243-4bdb-bd91-e943c89aac3b
38 lines
1.0 KiB
Ruby
38 lines
1.0 KiB
Ruby
f=File.open("sine_data.i","w")
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TABLE_ENTRIES=0x80
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AMPLITUDE=255
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OFFSET=00
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TABLE_ENTRIES.times do |i|
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value=OFFSET+Math.sin(Math::PI*i.to_f/TABLE_ENTRIES.to_f)*AMPLITUDE
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if i%0x08==0
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f<<"\n.byte "
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else
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f<<", "
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end
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f<<"$%02x" % value
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end
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f.close
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#-- LICENSE FOR make_sine_data.rb --
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# The contents of this file are subject to the Mozilla Public License
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# Version 1.1 (the "License"); you may not use this file except in
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# compliance with the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS"
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# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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# License for the specific language governing rights and limitations
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# under the License.
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#
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# The Original Code is ip65.
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#
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# The Initial Developer of the Original Code is Jonno Downes,
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# jonno@jamtronix.com.
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# Portions created by the Initial Developer are Copyright (C) 2009
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# Jonno Downes. All Rights Reserved.
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# -- LICENSE END --
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