Thursday, September 12, 2013

SIDsound on Sega/SN76489

Now here's something awesome: French coder Aly James has managed to pull off an interrupt-driven pulse width modulation on the SN76489, the PSG chip found in the SEGA Master System as well as later models. The effect sounds somewhat similar to the "SID Sound" effect known from Atari ST/YM2149.

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