From 7e97936b57c5cac8bc5c8dfbfbf2e0379f4a3970 Mon Sep 17 00:00:00 2001
From: wd40yasu <wd40yasu@users.noreply.github.com>
Date: Thu, 7 Mar 2024 08:32:54 +0900
Subject: [PATCH] Fixed sound of gomoku and kozure (by Takahiro Nogi)

gomoku: fixed frequency of oneshot voices

kozure: kozure uses waveform select function of YM3812. Previously MAME used YM3526. This results incorrect tone.
---
 src/mame/nichibutsu/armedf.cpp   | 2 +-
 src/mame/nichibutsu/gomoku_a.cpp | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/mame/nichibutsu/armedf.cpp b/src/mame/nichibutsu/armedf.cpp
index 75e585e32aa..f2eb9e75a38 100644
--- a/src/mame/nichibutsu/armedf.cpp
+++ b/src/mame/nichibutsu/armedf.cpp
@@ -1240,7 +1240,7 @@ void armedf_state::kozure(machine_config &config)
 	MCFG_VIDEO_START_OVERRIDE(armedf_state,terraf)
 
 	/* sound hardware */
-	sound_config(config);
+	sound_config_3812(config);
 }
 
 void armedf_state::armedf(machine_config &config)
diff --git a/src/mame/nichibutsu/gomoku_a.cpp b/src/mame/nichibutsu/gomoku_a.cpp
index 7fb6bed339e..30e08c94711 100644
--- a/src/mame/nichibutsu/gomoku_a.cpp
+++ b/src/mame/nichibutsu/gomoku_a.cpp
@@ -213,9 +213,9 @@ void gomoku_sound_device::sound2_w(offs_t offset, uint8_t data)
 
 		// oneshot frequency is hand tune...
 		if ((m_soundregs2[0x1d] & 0x0f) < 0x0c)
-			voice->frequency = 3000 / 16;           // ichi, ni, san, yon, go
+			voice->frequency = (18'432'000 / 96000);           // ichi, ni, san, yon, go
 		else
-			voice->frequency = 8000 / 16;           // shoot
+			voice->frequency = (18'432'000 / 48000);           // shoot
 
 		voice->volume = 8;
 		voice->counter = 0;