class GBTiles::GBT::Export::ASM::Channels::Noise
Public Class Methods
new()
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Calls superclass method
GBTiles::GBT::Export::ASM::Channel::new
# File lib/gbtiles/gbt/export/asm/channels/noise.rb, line 12 def initialize super(4) end
Public Instance Methods
convert()
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# File lib/gbtiles/gbt/export/asm/channels/noise.rb, line 20 def convert if sample_period == 0 then convert_note_not_new else convert_note_new end end
convert_note_new()
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# File lib/gbtiles/gbt/export/asm/channels/noise.rb, line 55 def convert_note_new instrument = (sample_number - 16) & 0x1F # Volume effect if effect_number == 0xC then return [ (1 << 7) | instrument, convert_volume ] end # Other effects begin converted = convert_effect return [ (1 << 7) | instrument, (1 << 7) | converted[:number], converted[:params] ] rescue Exception => e throw "Noise - Invalid command: #{e}" end end
convert_note_not_new()
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# File lib/gbtiles/gbt/export/asm/channels/noise.rb, line 28 def convert_note_not_new if is_empty_effect? then return [0] end # Volume effect if effect_number == 0xC then return [ (1 << 5) | convert_volume ] end # Other effects begin converted = convert_effect return [ (1 << 6) | converted[:number], converted[:params] ] rescue Exception => e # Silence end return [0] end
is_noise?()
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# File lib/gbtiles/gbt/export/asm/channels/noise.rb, line 16 def is_noise? true end