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toyoshim / SoundCortex

A firmware that makes your microcomputer work as a historical sound chip
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PSG more accurate noise emulation #5

Open toyoshim opened 8 years ago

toyoshim commented 8 years ago

According to http://d4.princess.ne.jp/msx/psg/ the logic to generate the noise seems to be X <= X(15 downto 0) & (X(16) xor X(13) xor 1)