diff --git a/src/devices/video/imagetek_i4100.cpp b/src/devices/video/imagetek_i4100.cpp
index 7a755d4d7d3..ad6973d4ec7 100644
--- a/src/devices/video/imagetek_i4100.cpp
+++ b/src/devices/video/imagetek_i4100.cpp
@@ -11,6 +11,8 @@
 	- interrupt enable/acknowledge/vector;
 	- soundlatch delegate;
 	- inputs for i4300;
+	- hyprduel.cpp uses scanline attribute which crawls to unusable state 
+	  with current video routines here;
 
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