Class: SMF::ScaleTuningAdjust1ByteFormNonRealTime

Inherits:
ExclusiveF0 show all
Defined in:
lib/smf/toy/gm.rb

Instance Attribute Summary

Attributes inherited from ExclusiveF0

#data

Attributes inherited from Event

#offset

Instance Method Summary collapse

Methods inherited from ExclusiveF0

#==

Methods inherited from Event

#<=>, #==, #eql?, #hash

Constructor Details

#initialize(offset, ch, ss, dev = 0x7f) ⇒ ScaleTuningAdjust1ByteFormNonRealTime

Returns a new instance of ScaleTuningAdjust1ByteFormNonRealTime.



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# File 'lib/smf/toy/gm.rb', line 234

def initialize(offset, ch, ss, dev=0x7f)
  # ch:0/2**16-1, ss:-2**6/2**6-1
  ff = ch & 0x3
  gg = (ch >> 2) & 0x7f
  hh = (ch >> 9) & 0x7f
  ss.collect! do |x|
	x + 0x40
  end
  super(offset, [0x7e, dev, 0x08, 0x08, ff, gg, hh, ss, 0xf7].
   flatten.pack('C*'))
end