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-rw-r--r--src/mame/drivers/segas32.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mame/drivers/segas32.cpp b/src/mame/drivers/segas32.cpp
index ff5be89b21b..ab69c80ef79 100644
--- a/src/mame/drivers/segas32.cpp
+++ b/src/mame/drivers/segas32.cpp
@@ -2070,6 +2070,11 @@ static INPUT_PORTS_START( slipstrm )
PORT_MODIFY("mainpcb:SERVICE12_A")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
+ PORT_MODIFY("mainpcb:SERVICE34_A")
+ PORT_DIPNAME( 0x04, 0x04, "Freeze Frame" ) PORT_DIPLOCATION("SW1:3") // Undocumented feature?
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
PORT_START("mainpcb:ANALOG1")
PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_SENSITIVITY(30) PORT_KEYDELTA(10)