From aabf3581ee1ab8d224fb5927b5694a0d6ce71445 Mon Sep 17 00:00:00 2001 From: ValleyBell Date: Sat, 24 Jun 2023 17:13:10 +0200 Subject: [PATCH] sunelectronics/markham.cpp: Fix PSG chip balance in banbam/pettanp (#11367) --- src/mame/sunelectronics/markham.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/mame/sunelectronics/markham.cpp b/src/mame/sunelectronics/markham.cpp index f9f7b337a0d..30cbe755357 100644 --- a/src/mame/sunelectronics/markham.cpp +++ b/src/mame/sunelectronics/markham.cpp @@ -593,9 +593,10 @@ void markham_state::markham(machine_config &config) /* sound hardware */ SPEAKER(config, "mono").front_center(); - SN76496(config, m_sn[0], CPU_CLOCK/2).add_route(ALL_OUTPUTS, "mono", 0.75); - - SN76496(config, m_sn[1], CPU_CLOCK/2).add_route(ALL_OUTPUTS, "mono", 0.75); + // volume balance based on the OST release of Pettan Pyuu, + // "LEGEND OF GAME MUSIC 2 PLATINUM BOX" (SCDC-00473~82) + SN76496(config, m_sn[0], CPU_CLOCK/2).add_route(ALL_OUTPUTS, "mono", 0.2); + SN76496(config, m_sn[1], CPU_CLOCK/2).add_route(ALL_OUTPUTS, "mono", 1.0); } void markham_state::strnskil(machine_config &config)