diff --git a/src/emu/sound/ymf278b.c b/src/emu/sound/ymf278b.c
index 6e9f676c8eb..1bf326a8f59 100644
--- a/src/emu/sound/ymf278b.c
+++ b/src/emu/sound/ymf278b.c
@@ -267,8 +267,9 @@ void ymf278b_device::sound_stream_update(sound_stream &stream, stream_sample_t *
 				if (slot->stepptr >= slot->endaddr)
 				{
 					slot->stepptr = slot->stepptr - slot->endaddr + slot->loopaddr;
-					if (slot->stepptr >= slot->endaddr)
-						slot->stepptr = slot->loopaddr; // loop overflow
+					
+					// NOTE: loop overflow is still possible here if (slot->stepptr >= slot->endaddr)
+					// This glitch may be (ab)used to your advantage to create pseudorandom noise.
 				}
 
 				switch (slot->bits)