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-rw-r--r--src/mame/drivers/grchamp.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/drivers/grchamp.cpp b/src/mame/drivers/grchamp.cpp
index 3b356724bfa..26d1b8e399e 100644
--- a/src/mame/drivers/grchamp.cpp
+++ b/src/mame/drivers/grchamp.cpp
@@ -52,6 +52,8 @@
- The Speech Feature enhances the game play.
+ - Schematics: https://ia800501.us.archive.org/16/items/ArcadeGameManualGrandchampion/grandchampion.pdf
+
***************************************************************************/
#include "emu.h"
@@ -108,7 +110,7 @@ void grchamp_state::machine_start()
void grchamp_state::machine_reset()
{
- m_soundnmi->in_w<0>(1); // disable sound nmi
+ m_soundnmi->in_w<0>(0); // disable sound nmi
/* if the coin system is 1 way, lock Coin B (Page 40) */
machine().bookkeeping().coin_lockout_w(1, (ioport("DSWB")->read() & 0x10) ? 1 : 0);
}