class

Channel1

Inherits VolumeEnvelopeChannel < SoundChannel < Reference < Object

Constants

RANGE = 65296..65300

WAVE_DUTY = [[0, 0, 0, 0, 0, 0, 0, 1], [1, 0, 0, 0, 0, 0, 0, 1], [1, 0, 0, 0, 0, 1, 1, 1], [0, 1, 1, 1, 1, 1, 1, 0]]

Instance methods

===(value) : Bool

Used so that channels can be matched with case..when statements

Source

[](index : Int) : UInt8

Source

[]=(index : Int, value : UInt8) : Nil

Source

frequency_calculation

Calculate the new shadow frequency, disable channel if overflow 11 bits https://gist.github.com/drhelius/3652407#file-game-boy-sound-operation-L243-L250

Source

frequency_timer

Calculate the frequency timer

Source

get_amplitude

Source

schedule_reload(frequency_timer : UInt32) : Nil

Source

step_wave_generation

Called when @period reaches 0

Source

sweep_step

Source