From 0922c7efe561a8c74152e315e0c89a6c36b2405e Mon Sep 17 00:00:00 2001
From: mamehaze <140764005+mamehaze@users.noreply.github.com>
Date: Thu, 2 Nov 2023 16:22:58 +0000
Subject: tvgames/xavix.cpp: Treat taikodp drum input as digital to avoid issue
 with multiple hits registering. (#11620)

The same workaround is used for taiko arcade games on Namco System 10.
---
 src/mame/tvgames/xavix.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/mame/tvgames/xavix.cpp b/src/mame/tvgames/xavix.cpp
index 0901fe85cd6..023068f16b5 100644
--- a/src/mame/tvgames/xavix.cpp
+++ b/src/mame/tvgames/xavix.cpp
@@ -590,10 +590,20 @@ static INPUT_PORTS_START( taikodp )
 	PORT_INCLUDE(xavix_an)
 
 	PORT_MODIFY("AN0") // 00  (read by one type of function, handled in timer interrupt at 0x1d92 in RAM)
+#if 0 // should be more correct, but causes multiple hits to register
 	PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(20)
+#else
+	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_IMPULSE(1)
+	PORT_BIT( 0x7f, IP_ACTIVE_HIGH, IPT_UNUSED )
+#endif
 
 	PORT_MODIFY("AN1") // 01  (read by identical function to 00 but with different addresses, handled in timer interrupt at 0x1dbd in RAM)
+#if 0 // should be more correct, but causes multiple hits to register
 	PORT_BIT( 0xff, 0x00, IPT_PEDAL2 ) PORT_SENSITIVITY(100) PORT_KEYDELTA(20)
+#else
+	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_IMPULSE(1)
+	PORT_BIT( 0x7f, IP_ACTIVE_HIGH, IPT_UNUSED )
+#endif
 
 	PORT_MODIFY("AN5") // 11  (read by different function, handled in timer interrupt at 0x1de8) (battery status related?)
 	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED )
-- 
cgit v1.2.3