diff --git a/src/mame/drivers/jpmmps.cpp b/src/mame/drivers/jpmmps.cpp
index 21711756088..079e07d5352 100644
--- a/src/mame/drivers/jpmmps.cpp
+++ b/src/mame/drivers/jpmmps.cpp
@@ -142,7 +142,7 @@ WRITE8_MEMBER(jpmmps_state::jpmmps_ic22_portc_w)
 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_cast<tms9995_device*>(machine().device("maincpu"))->ready_line(ASSERT_LINE);
 }
 
 static MACHINE_CONFIG_START( jpmmps, jpmmps_state )
diff --git a/src/mame/drivers/jpms80.cpp b/src/mame/drivers/jpms80.cpp
index ff3edef631a..ec7043af176 100644
--- a/src/mame/drivers/jpms80.cpp
+++ b/src/mame/drivers/jpms80.cpp
@@ -75,7 +75,7 @@ INPUT_PORTS_END
 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_cast<tms9995_device*>(machine().device("maincpu"))->ready_line(ASSERT_LINE);
 }
 
 static MACHINE_CONFIG_START( jpms80, jpms80_state )
diff --git a/src/mame/drivers/looping.cpp b/src/mame/drivers/looping.cpp
index fedf2eb00b5..5be0687f956 100644
--- a/src/mame/drivers/looping.cpp
+++ b/src/mame/drivers/looping.cpp
@@ -344,7 +344,7 @@ void looping_state::machine_start()
 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);
+	static_cast<tms9995_device*>(machine().device("maincpu"))->ready_line(ASSERT_LINE);
 }
 
 /*************************************
diff --git a/src/mame/drivers/nsm.cpp b/src/mame/drivers/nsm.cpp
index 9a20fa20ee4..60d4e0efd5a 100644
--- a/src/mame/drivers/nsm.cpp
+++ b/src/mame/drivers/nsm.cpp
@@ -113,7 +113,7 @@ WRITE8_MEMBER( nsm_state::cru_w )
 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_cast<tms9995_device*>(machine().device("maincpu"))->ready_line(ASSERT_LINE);
 }
 
 static MACHINE_CONFIG_START( nsm, nsm_state )
diff --git a/src/mame/drivers/nsmpoker.cpp b/src/mame/drivers/nsmpoker.cpp
index 823ee38b70e..bb67d27212c 100644
--- a/src/mame/drivers/nsmpoker.cpp
+++ b/src/mame/drivers/nsmpoker.cpp
@@ -399,7 +399,7 @@ GFXDECODE_END
 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);
+	static_cast<tms9995_device*>(machine().device("maincpu"))->ready_line(ASSERT_LINE);
 }
 
 /*************************
diff --git a/src/mame/drivers/pachifev.cpp b/src/mame/drivers/pachifev.cpp
index ceaeaba5b4e..03d945b1943 100644
--- a/src/mame/drivers/pachifev.cpp
+++ b/src/mame/drivers/pachifev.cpp
@@ -290,7 +290,7 @@ void pachifev_state::machine_reset()
 {
 	// Pulling down the line on RESET configures the CPU to insert one wait
 	// state on external memory accesses
-	static_cast<tms9995_device*>(machine().device("maincpu"))->set_ready(CLEAR_LINE);
+	static_cast<tms9995_device*>(machine().device("maincpu"))->ready_line(CLEAR_LINE);
 
 	m_power=0;
 	m_max_power=0;