From 850e270f7dd321012f2139479ce290e5b0e58d8b Mon Sep 17 00:00:00 2001 From: tildearrow Date: Tue, 18 Jan 2022 18:22:17 -0500 Subject: [PATCH] update doc --- papers/doc/7-systems/ay8930.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/papers/doc/7-systems/ay8930.md b/papers/doc/7-systems/ay8930.md index 0c6323eb0..a562765e5 100644 --- a/papers/doc/7-systems/ay8930.md +++ b/papers/doc/7-systems/ay8930.md @@ -37,3 +37,5 @@ while emulation of this chip is mostly complete, the additional noise setup regi - `24xx`: set envelope period high byte. - `25xx`: slide envelope period up. - `26xx`: slide envelope period down. +- `27xx`: set noise AND mask. +- `28xx`: set noise OR mask. \ No newline at end of file