diff --git a/src/mame/drivers/jpmmps.c b/src/mame/drivers/jpmmps.c
index 462ef030d98..ea50f9c27ee 100644
--- a/src/mame/drivers/jpmmps.c
+++ b/src/mame/drivers/jpmmps.c
@@ -45,6 +45,8 @@ public:
 	{ }
 	UINT8 m_sound_buffer;
 	UINT8 m_psg_latch;
+	virtual void machine_reset();
+
 protected:
 
 	// devices
@@ -228,6 +230,12 @@ static TMS9995_CONFIG( cpuconf95 )
 	NO_OVERFLOW_INT    // The generally available versions of TMS9995 have a deactivated overflow interrupt
 };
 
+void jpmmps_state::machine_reset()
+{
+	// Disable auto wait state generation by raising the READY line on reset
+	static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(ASSERT_LINE);
+}
+
 static MACHINE_CONFIG_START( jpmmps, jpmmps_state )
 
 	/* basic machine hardware */
diff --git a/src/mame/drivers/jpms80.c b/src/mame/drivers/jpms80.c
index 5b53dd7875d..4e0f9ae19b6 100644
--- a/src/mame/drivers/jpms80.c
+++ b/src/mame/drivers/jpms80.c
@@ -33,6 +33,7 @@ public:
 		: driver_device(mconfig, type, tag),
 			m_maincpu(*this, "maincpu")
 	{ }
+	virtual void machine_reset();
 
 protected:
 
@@ -88,6 +89,12 @@ static const tms9902_interface tms9902_config =
 	DEVCB_NULL              /* called for setting interface parameters and line states */
 };
 
+void jpms80_state::machine_reset()
+{
+	// Disable auto wait state generation by raising the READY line on reset
+	static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(ASSERT_LINE);
+}
+
 static TMS9995_CONFIG( cpuconf95 )
 {
 	DEVCB_NULL,         // external op
diff --git a/src/mame/drivers/looping.c b/src/mame/drivers/looping.c
index 8f7c28b0970..1d4789ea681 100644
--- a/src/mame/drivers/looping.c
+++ b/src/mame/drivers/looping.c
@@ -145,6 +145,7 @@ public:
 	DECLARE_DRIVER_INIT(looping);
 	TILE_GET_INFO_MEMBER(get_tile_info);
 	virtual void machine_start();
+	virtual void machine_reset();
 	virtual void video_start();
 	virtual void palette_init();
 	UINT32 screen_update_looping(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
@@ -333,7 +334,11 @@ void looping_state::machine_start()
 	save_item(NAME(m_sound));
 }
 
-
+void looping_state::machine_reset()
+{
+	// Disable auto wait state generation by raising the READY line on reset
+	static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(ASSERT_LINE);
+}
 
 /*************************************
  *
diff --git a/src/mame/drivers/nsm.c b/src/mame/drivers/nsm.c
index f40aaa1bef9..928ecd6c853 100644
--- a/src/mame/drivers/nsm.c
+++ b/src/mame/drivers/nsm.c
@@ -121,6 +121,8 @@ static TMS9995_CONFIG( cpuconf95 )
 
 void nsm_state::machine_reset()
 {
+	// Disable auto wait state generation by raising the READY line on reset
+	static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(ASSERT_LINE);
 }
 
 static MACHINE_CONFIG_START( nsm, nsm_state )
diff --git a/src/mame/drivers/nsmpoker.c b/src/mame/drivers/nsmpoker.c
index 62f9e6bdc79..9d9b0d6374e 100644
--- a/src/mame/drivers/nsmpoker.c
+++ b/src/mame/drivers/nsmpoker.c
@@ -83,6 +83,7 @@ public:
 	TILE_GET_INFO_MEMBER(get_bg_tile_info);
 	virtual void video_start();
 	virtual void palette_init();
+	virtual void machine_reset();
 	UINT32 screen_update_nsmpoker(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
 	INTERRUPT_GEN_MEMBER(nsmpoker_interrupt);
 	required_device<cpu_device> m_maincpu;
@@ -403,6 +404,12 @@ static TMS9995_CONFIG( cpuconf95 )
 	NO_OVERFLOW_INT    // The generally available versions of TMS9995 have a deactivated overflow interrupt
 };
 
+void nsmpoker_state::machine_reset()
+{
+	// Disable auto wait state generation by raising the READY line on reset
+	static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(ASSERT_LINE);
+}
+
 /*************************
 *    Machine Drivers     *
 *************************/