From cd5113da370aee3c047ade0d8df2540befdd27d4 Mon Sep 17 00:00:00 2001
From: cam900 <dbtlrchl@naver.com>
Date: Sat, 15 Jun 2019 19:48:25 +0900
Subject: [PATCH] huc6272.cpp : Add docs

---
 src/devices/video/huc6272.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/devices/video/huc6272.cpp b/src/devices/video/huc6272.cpp
index 0fe5ec52159..fbf6a6c5726 100644
--- a/src/devices/video/huc6272.cpp
+++ b/src/devices/video/huc6272.cpp
@@ -8,6 +8,9 @@
     - Use NSCSI instead of legacy one!
     - ADPCM Transfer is correct?
 
+    ADPCM related patents:
+    - https://patents.google.com/patent/US5692099
+
 ***************************************************************************/
 
 #include "emu.h"