From 9a08c178066923db8cad7705552912e243662807 Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Tue, 9 May 2017 20:06:48 -0400
Subject: [PATCH] tx1.cpp: Hardware note (nw)

---
 src/mame/drivers/tx1.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mame/drivers/tx1.cpp b/src/mame/drivers/tx1.cpp
index 5bd1aed759a..9d25599a229 100644
--- a/src/mame/drivers/tx1.cpp
+++ b/src/mame/drivers/tx1.cpp
@@ -454,6 +454,7 @@ static uint8_t bit_reverse8(uint8_t val)
 	return val;
 }
 
+// Tazmi TZ2103 custom 4-channel A/D converter @ 7.5 MHz
 READ8_MEMBER(tx1_state::bb_analog_r)
 {
 	if (offset == 0)