onechanneloflsdjsetsthefiltertheothersetstheamplitude

thesoundscomesfromtheinternalworkingsofthegameboyitisbeingpatchedintoa4017the4017setsthepitchofthemostlynoisysignalstheresetpointofthesecond4017issetbya4052thatiscontroledbya4520thatinturnisconnectedtoa74hc92thatisconnectedtothegameboyclocksignal

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