#
ym2420
Here are 2 public repositories matching this topic...
Frequency register map of the Yamaha YM2420, the OPLL variant found in the PSS-140/PSS-160 keyboards. Verified on hardware. The BLOCK field moves from $20-$28 into $10-$18 which the usual one-line summary does not say.
-
Updated
Sep 7, 2026
Add this topic to your repo
To associate your repository with the ym2420 topic, visit your repo's landing page and select "manage topics."